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/branches/arm/kernel/arch/arm32/include/machine_func.h
File deleted
/branches/arm/kernel/arch/arm32/include/mach/testarm/testarm.h
File deleted
/branches/arm/kernel/arch/arm32/include/mach/integratorcp/integratorcp.h
File deleted
/branches/arm/kernel/arch/arm32/include/drivers/qemu.h
0,0 → 1,82
/*
* Copyright (c) 2007 Michal Kebrt
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup arm32qemu_icp GXemul
* @brief GXemul machine specific parts.
* @ingroup arm32
* @{
*/
/** @file
* @brief GXemul peripheries drivers declarations.
*/
 
#ifndef KERN_arm32_QEMU_ICP_H_
#define KERN_arm32_QEMU_ICP_H_
 
#include <console/chardev.h>
 
/** Last interrupt number (beginning from 0) whose status is probed
* from interrupt controller
*/
#define QEMU_ICP_IRQC_MAX_IRQ 8
 
/** Timer frequency */
#define QEMU_ICP_TIMER_FREQ 100
 
/** Struct containing mappings of qemu_icp HW devices into kernel part
* of virtual address space.
*/
typedef struct {
uintptr_t videoram;
uintptr_t kbd;
uintptr_t rtc;
uintptr_t rtc_freq;
uintptr_t rtc_ack;
uintptr_t irqc;
uintptr_t irqc_mask;
uintptr_t irqc_unmask;
uintptr_t vga;
uintptr_t cmcr;
} qemu_icp_hw_map_t;
 
extern void qemu_icp_hw_map_init(void);
extern void qemu_icp_console_init(devno_t devno);
extern void qemu_icp_release_console(void);
extern void qemu_icp_grab_console(void);
extern void qemu_icp_timer_irq_start(void);
extern void qemu_icp_debug_putc(char ch);
extern void qemu_icp_cpu_halt(void);
extern void qemu_icp_irq_exception(int exc_no, istate_t *istate);
extern size_t qemu_icp_get_memory_size(void);
extern uintptr_t qemu_icp_get_fb_address(void);
extern void icp_vga_init();
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/arm32/include/drivers/gxemul.h
0,0 → 1,79
/*
* Copyright (c) 2007 Michal Kebrt
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup arm32gxemul GXemul
* @brief GXemul machine specific parts.
* @ingroup arm32
* @{
*/
/** @file
* @brief GXemul peripheries drivers declarations.
*/
 
#ifndef KERN_arm32_GXEMUL_H_
#define KERN_arm32_GXEMUL_H_
 
#include <console/chardev.h>
 
/** Last interrupt number (beginning from 0) whose status is probed
* from interrupt controller
*/
#define GXEMUL_IRQC_MAX_IRQ 8
 
/** Timer frequency */
#define GXEMUL_TIMER_FREQ 100
 
/** Struct containing mappings of gxemul HW devices into kernel part
* of virtual address space.
*/
typedef struct {
uintptr_t videoram;
uintptr_t kbd;
uintptr_t rtc;
uintptr_t rtc_freq;
uintptr_t rtc_ack;
uintptr_t irqc;
uintptr_t irqc_mask;
uintptr_t irqc_unmask;
} gxemul_hw_map_t;
 
extern void gxemul_hw_map_init(void);
extern void gxemul_console_init(devno_t devno);
extern void gxemul_release_console(void);
extern void gxemul_grab_console(void);
extern void gxemul_timer_irq_start(void);
extern void gxemul_debug_putc(char ch);
extern void gxemul_cpu_halt(void);
extern void gxemul_irq_exception(int exc_no, istate_t *istate);
extern size_t gxemul_get_memory_size(void);
extern uintptr_t gxemul_get_fb_address(void);
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/arm32/include/machine.h
0,0 → 1,140
/*
* Copyright (c) 2007 Michal Kebrt
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup arm32
* @{
*/
/** @file
* @brief Declarations of machine specific functions.
*
* These functions enable to differentiate more kinds of ARM emulators
* or CPUs. It's the same concept as "arch" functions on the architecture
* level.
*/
 
#ifndef KERN_arm32_MACHINE_H_
#define KERN_arm32_MACHINE_H_
 
#include <console/console.h>
#include <arch/types.h>
#include <arch/exception.h>
#ifdef MACHINE_GXEMUL_TESTARM
#include <arch/drivers/gxemul.h>
#endif
#ifdef MACHINE_QEMU_ICP
#include <arch/drivers/qemu.h>
#endif
 
 
/** Initializes console.
*
* @param devno Console device number.
*/
extern void machine_console_init(devno_t devno);
 
 
/** Acquire console back for kernel. */
extern void machine_grab_console(void);
 
 
/** Return console to userspace. */
extern void machine_release_console(void);
 
 
/** Maps HW devices to the kernel address space using #hw_map. */
extern void machine_hw_map_init(void);
 
 
/** Starts timer. */
extern void machine_timer_irq_start(void);
 
 
/** Halts CPU. */
extern void machine_cpu_halt(void);
 
 
/** Returns size of available memory.
*
* @return Size of available memory.
*/
extern size_t machine_get_memory_size(void);
 
 
/** Prints a character.
*
* @param ch Character to be printed.
*/
extern void machine_debug_putc(char ch);
 
 
/** Interrupt exception handler.
*
* @param exc_no Interrupt exception number.
* @param istate Saved processor state.
*/
extern void machine_irq_exception(int exc_no, istate_t *istate);
 
 
/** Returns address of framebuffer device.
*
* @return Address of framebuffer device.
*/
extern uintptr_t machine_get_fb_address(void);
 
 
#ifdef MACHINE_GXEMUL_TESTARM
#define machine_console_init(devno) gxemul_console_init(devno)
#define machine_grab_console gxemul_grab_console
#define machine_release_console gxemul_release_console
#define machine_hw_map_init gxemul_hw_map_init
#define machine_timer_irq_start gxemul_timer_irq_start
#define machine_cpu_halt gxemul_cpu_halt
#define machine_get_memory_size gxemul_get_memory_size
#define machine_debug_putc(ch) gxemul_debug_putc(ch)
#define machine_irq_exception(exc_no, istate) \
gxemul_irq_exception(exc_no, istate)
#define machine_get_fb_address gxemul_get_fb_address
#endif
 
#ifdef MACHINE_QEMU_ICP
#define machine_console_init(devno) qemu_icp_console_init(devno)
#define machine_grab_console qemu_icp_grab_console
#define machine_release_console qemu_icp_release_console
#define machine_hw_map_init qemu_icp_hw_map_init
#define machine_timer_irq_start qemu_icp_timer_irq_start
#define machine_cpu_halt qemu_icp_cpu_halt
#define machine_get_memory_size qemu_icp_get_memory_size
#define machine_debug_putc(ch) qemu_icp_debug_putc(ch)
#define machine_irq_exception(exc_no, istate) \
qemu_icp_irq_exception(exc_no, istate)
#define machine_get_fb_address qemu_icp_get_fb_address
#endif
#endif
 
/** @}
*/
/branches/arm/kernel/arch/arm32/include/mm/page.h
94,21 → 94,21
 
/* Get PTE flags accessors for each level. */
#define GET_PTL1_FLAGS_ARCH(ptl0, i) \
get_pt_level0_flags((pte_level0_t *) (ptl0), (size_t) (i))
get_pt_level0_flags((pte_level0_t *) (ptl0), (index_t) (i))
#define GET_PTL2_FLAGS_ARCH(ptl1, i) \
PAGE_PRESENT
#define GET_PTL3_FLAGS_ARCH(ptl2, i) \
PAGE_PRESENT
#define GET_FRAME_FLAGS_ARCH(ptl3, i) \
get_pt_level1_flags((pte_level1_t *) (ptl3), (size_t) (i))
get_pt_level1_flags((pte_level1_t *) (ptl3), (index_t) (i))
 
/* Set PTE flags accessors for each level. */
#define SET_PTL1_FLAGS_ARCH(ptl0, i, x) \
set_pt_level0_flags((pte_level0_t *) (ptl0), (size_t) (i), (x))
set_pt_level0_flags((pte_level0_t *) (ptl0), (index_t) (i), (x))
#define SET_PTL2_FLAGS_ARCH(ptl1, i, x)
#define SET_PTL3_FLAGS_ARCH(ptl2, i, x)
#define SET_FRAME_FLAGS_ARCH(ptl3, i, x) \
set_pt_level1_flags((pte_level1_t *) (ptl3), (size_t) (i), (x))
set_pt_level1_flags((pte_level1_t *) (ptl3), (index_t) (i), (x))
 
/* Macros for querying the last-level PTE entries. */
#define PTE_VALID_ARCH(pte) \
193,8 → 193,9
static inline void set_ptl0_addr(pte_level0_t *pt)
{
asm volatile (
"mcr p15, 0, %[pt], c2, c0, 0\n"
:: [pt] "r" (pt)
"mcr p15, 0, %0, c2, c0, 0 \n"
:
: "r"(pt)
);
}
 
204,7 → 205,7
* @param pt Level 0 page table.
* @param i Index of the entry to return.
*/
static inline int get_pt_level0_flags(pte_level0_t *pt, size_t i)
static inline int get_pt_level0_flags(pte_level0_t *pt, index_t i)
{
pte_level0_t *p = &pt[i];
int np = (p->descriptor_type == PTE_DESCRIPTOR_NOT_PRESENT);
219,7 → 220,7
* @param pt Level 1 page table.
* @param i Index of the entry to return.
*/
static inline int get_pt_level1_flags(pte_level1_t *pt, size_t i)
static inline int get_pt_level1_flags(pte_level1_t *pt, index_t i)
{
pte_level1_t *p = &pt[i];
 
244,7 → 245,7
* @param i index of the entry to be changed
* @param flags new flags
*/
static inline void set_pt_level0_flags(pte_level0_t *pt, size_t i, int flags)
static inline void set_pt_level0_flags(pte_level0_t *pt, index_t i, int flags)
{
pte_level0_t *p = &pt[i];
 
272,7 → 273,7
* @param i Index of the entry to be changed.
* @param flags New flags.
*/
static inline void set_pt_level1_flags(pte_level1_t *pt, size_t i, int flags)
static inline void set_pt_level1_flags(pte_level1_t *pt, index_t i, int flags)
{
pte_level1_t *p = &pt[i];
/branches/arm/kernel/arch/arm32/include/mm/frame.h
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup arm32mm
/** @addtogroup arm32mm
* @{
*/
/** @file
36,8 → 36,8
#ifndef KERN_arm32_FRAME_H_
#define KERN_arm32_FRAME_H_
 
#define FRAME_WIDTH 12 /* 4KB frames */
#define FRAME_SIZE (1 << FRAME_WIDTH)
#define FRAME_WIDTH 12 /* 4KB frames */
#define FRAME_SIZE (1 << FRAME_WIDTH)
 
#ifdef KERNEL
#ifndef __ASM__
44,8 → 44,8
 
#include <arch/types.h>
 
#define BOOT_PAGE_TABLE_SIZE 0x4000
#define BOOT_PAGE_TABLE_ADDRESS 0x4000
#define BOOT_PAGE_TABLE_SIZE 0x4000
#define BOOT_PAGE_TABLE_ADDRESS 0x4000
 
#define BOOT_PAGE_TABLE_START_FRAME (BOOT_PAGE_TABLE_ADDRESS >> FRAME_WIDTH)
#define BOOT_PAGE_TABLE_SIZE_IN_FRAMES (BOOT_PAGE_TABLE_SIZE >> FRAME_WIDTH)
/branches/arm/kernel/arch/arm32/include/mm/tlb.h
36,6 → 36,9
#ifndef KERN_arm32_TLB_H_
#define KERN_arm32_TLB_H_
 
#define tlb_arch_init()
#define tlb_print()
 
#endif
 
/** @}
/branches/arm/kernel/arch/arm32/include/barrier.h
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup arm32
/** @addtogroup arm32
* @{
*/
/** @file
39,12 → 39,12
/*
* TODO: implement true ARM memory barriers for macros below.
*/
#define CS_ENTER_BARRIER() asm volatile ("" ::: "memory")
#define CS_LEAVE_BARRIER() asm volatile ("" ::: "memory")
#define CS_ENTER_BARRIER() asm volatile ("" ::: "memory")
#define CS_LEAVE_BARRIER() asm volatile ("" ::: "memory")
 
#define memory_barrier() asm volatile ("" ::: "memory")
#define read_barrier() asm volatile ("" ::: "memory")
#define write_barrier() asm volatile ("" ::: "memory")
#define memory_barrier() asm volatile ("" ::: "memory")
#define read_barrier() asm volatile ("" ::: "memory")
#define write_barrier() asm volatile ("" ::: "memory")
 
#define smc_coherence(a)
#define smc_coherence_block(a, l)
/branches/arm/kernel/arch/arm32/include/types.h
53,6 → 53,8
typedef unsigned long long uint64_t;
 
typedef uint32_t size_t;
typedef uint32_t count_t;
typedef uint32_t index_t;
 
typedef uint32_t uintptr_t;
typedef uint32_t pfn_t;
62,11 → 64,10
typedef uint32_t unative_t;
typedef int32_t native_t;
 
typedef struct {
} fncptr_t;
 
#define PRIp "x" /**< Format for uintptr_t. */
#define PRIs "u" /**< Format for size_t. */
#define PRIc "u" /**< Format for count_t. */
#define PRIi "u" /**< Format for index_t. */
 
#define PRId8 "d" /**< Format for int8_t. */
#define PRId16 "d" /**< Format for int16_t. */
/branches/arm/kernel/arch/arm32/include/byteorder.h
0,0 → 1,48
/*
* Copyright (c) 2005 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup arm32
* @{
*/
/** @file
* @brief Endianness definitions.
*/
 
#ifndef KERN_arm32_BYTEORDER_H_
#define KERN_arm32_BYTEORDER_H_
 
#ifdef BIG_ENDIAN
#define ARCH_IS_BIG_ENDIAN
#else
#define ARCH_IS_LITTLE_ENDIAN
#endif
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/arm32/include/asm/boot.h
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup arm32
/** @addtogroup arm32
* @{
*/
/** @file
37,9 → 37,26
#define KERN_arm32_ASM_BOOT_H_
 
/** Size of a temporary stack used for initial kernel start. */
#define TEMP_STACK_SIZE 0x100
#define TEMP_STACK_SIZE 0x100
 
#ifndef __ASM__
 
/** Kernel entry point.
*
* Implemented in assembly. Copies boot_bootinfo (declared as bootinfo in
* boot/arch/arm32/loader/main.c) to #bootinfo struct. Then jumps to
* #arch_pre_main and #main_bsp.
*
* @param entry Entry point address (not used).
* @param boot_bootinfo Struct holding information about loaded tasks.
* @param bootinfo_size Size of the bootinfo structure.
*/
extern void kernel_image_start(void *entry, void *boot_bootinfo,
unsigned int bootinfo_size);
 
#endif
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/arm32/include/exception.h
136,13 → 136,6
extern void install_exception_handlers(void);
extern void exception_init(void);
extern void print_istate(istate_t *istate);
extern void reset_exception_entry(void);
extern void irq_exception_entry(void);
extern void fiq_exception_entry(void);
extern void undef_instr_exception_entry(void);
extern void prefetch_abort_exception_entry(void);
extern void data_abort_exception_entry(void);
extern void swi_exception_entry(void);
 
 
#endif
/branches/arm/kernel/arch/arm32/include/regutils.h
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup arm32
/** @addtogroup arm32
* @{
*/
/**
57,10 → 57,7
static inline uint32_t nm## _status_reg_read(void) \
{ \
uint32_t retval; \
asm volatile( \
"mrs %[retval], " #reg \
: [retval] "=r" (retval) \
); \
asm volatile("mrs %0, " #reg : "=r" (retval)); \
return retval; \
}
 
67,10 → 64,7
#define GEN_STATUS_WRITE(nm,reg,fieldname, field) \
static inline void nm## _status_reg_ ##fieldname## _write(uint32_t value) \
{ \
asm volatile( \
"msr " #reg "_" #field ", %[value]" \
:: [value] "r" (value) \
); \
asm volatile("msr " #reg "_" #field ", %0" : : "r" (value)); \
}
 
 
/branches/arm/kernel/arch/arm32/include/debug/print.h
0,0 → 1,56
/*
* Copyright (c) 2007 Michal Kebrt
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup arm32
* @{
*/
/** @file
* @brief Debug printing functions.
*/
 
#ifndef KERN_arm32_DEBUG_PRINT_H_
#define KERN_arm32_DEBUG_PRINT_H_
 
#include <stdarg.h>
#include <arch/types.h>
 
extern void debug_puts(const char *str);
extern void debug_printf(const char *fmt, ...);
 
#ifdef CONFIG_DEBUG
# define dprintf(arg1...) debug_printf(arg1)
# define dputs(arg1) debug_puts(arg1)
#else
# define dprintf(arg1...)
# define dputs(arg1)
#endif
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/arm32/include/console.h
0,0 → 1,49
/*
* Copyright (c) 2007 Michal Kebrt
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup arm32
* @{
*/
/** @file
* @brief Console.
*/
 
#ifndef KERN_arm32_CONSOLE_H_
#define KERN_arm32_CONSOLE_H_
 
 
/** Initializes console.
*
* @param devno Console device number.
*/
extern void console_init(devno_t devno);
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/arm32/include/boot.h
0,0 → 1,76
/*
* Copyright (c) 2006 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup arm32
* @{
*/
/** @file
* @brief Bootinfo declarations.
*
* Reflects boot/arch/arm32/loader/main.h.
*/
 
#ifndef KERN_arm32_BOOT_H_
#define KERN_arm32_BOOT_H_
 
#include <arch/types.h>
 
/** Maximum number of tasks in the #bootinfo_t struct. */
#define TASKMAP_MAX_RECORDS 32
 
 
/** Struct holding information about single loaded uspace task. */
typedef struct {
 
/** Address where the task was placed. */
uintptr_t addr;
 
/** Size of the task's binary. */
uint32_t size;
} utask_t;
 
 
/** Struct holding information about loaded uspace tasks. */
typedef struct {
 
/** Number of loaded tasks. */
uint32_t cnt;
 
/** Array of loaded tasks. */
utask_t tasks[TASKMAP_MAX_RECORDS];
} bootinfo_t;
 
 
/** Bootinfo that is filled in #kernel_image_start. */
extern bootinfo_t bootinfo;
 
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/arm32/include/atomic.h
26,10 → 26,10
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup arm32
/** @addtogroup arm32
* @{
*/
/** @file
/** @file
* @brief Atomic operations.
*/
 
42,26 → 42,26
* @param i Value to be added.
*
* @return Value after addition.
*
*/
static inline long atomic_add(atomic_t *val, int i)
{
int ret;
volatile long *mem = &(val->count);
 
asm volatile (
"1:\n"
"ldr r2, [%[mem]]\n"
"add r3, r2, %[i]\n"
"str r3, %[ret]\n"
"swp r3, r3, [%[mem]]\n"
"cmp r3, r2\n"
"bne 1b\n"
: [ret] "=m" (ret)
: [mem] "r" (mem), [i] "r" (i)
"1:\n"
"ldr r2, [%1] \n"
"add r3, r2, %2 \n"
"str r3, %0 \n"
"swp r3, r3, [%1] \n"
"cmp r3, r2 \n"
"bne 1b \n"
 
: "=m" (ret)
: "r" (mem), "r" (i)
: "r3", "r2"
);
 
return ret;
}
 
/branches/arm/kernel/arch/arm32/include/arch.h
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup arm32
/** @addtogroup arm32
* @{
*/
/** @file
36,26 → 36,6
#ifndef KERN_arm32_ARCH_H_
#define KERN_arm32_ARCH_H_
 
#define TASKMAP_MAX_RECORDS 32
#define CPUMAP_MAX_RECORDS 32
 
#define BOOTINFO_TASK_NAME_BUFLEN 32
 
#include <typedefs.h>
 
typedef struct {
uintptr_t addr;
uint32_t size;
char name[BOOTINFO_TASK_NAME_BUFLEN];
} utask_t;
 
typedef struct {
uint32_t cnt;
utask_t tasks[TASKMAP_MAX_RECORDS];
} bootinfo_t;
 
extern void arch_pre_main(void *entry, bootinfo_t *bootinfo);
 
#endif
 
/** @}
/branches/arm/kernel/arch/arm32/include/asm.h
26,10 → 26,10
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup arm32
/** @addtogroup arm32
* @{
*/
/** @file
/** @file
* @brief Declarations of functions implemented in assembly.
*/
 
36,7 → 36,6
#ifndef KERN_arm32_ASM_H_
#define KERN_arm32_ASM_H_
 
#include <typedefs.h>
#include <arch/types.h>
#include <arch/stack.h>
#include <config.h>
47,50 → 46,19
{
}
 
static inline void pio_write_8(ioport8_t *port, uint8_t v)
{
*port = v;
}
 
static inline void pio_write_16(ioport16_t *port, uint16_t v)
{
*port = v;
}
 
static inline void pio_write_32(ioport32_t *port, uint32_t v)
{
*port = v;
}
 
static inline uint8_t pio_read_8(ioport8_t *port)
{
return *port;
}
 
static inline uint16_t pio_read_16(ioport16_t *port)
{
return *port;
}
 
static inline uint32_t pio_read_32(ioport32_t *port)
{
return *port;
}
 
/** Return base address of current stack.
*
*
* Return the base address of the current stack.
* The stack is assumed to be STACK_SIZE bytes long.
* The stack must start on page boundary.
*
*/
static inline uintptr_t get_stack_base(void)
{
uintptr_t v;
asm volatile (
"and %[v], sp, %[size]\n"
: [v] "=r" (v)
: [size] "r" (~(STACK_SIZE - 1))
"and %0, sp, %1\n"
: "=r" (v)
: "r" (~(STACK_SIZE - 1))
);
return v;
}
/branches/arm/kernel/arch/arm32/src/machine_func.c
File deleted
/branches/arm/kernel/arch/arm32/src/exc_handler.S
File deleted
/branches/arm/kernel/arch/arm32/src/mach/testarm/testarm.c
File deleted
Property changes:
Deleted: svn:mergeinfo
/branches/arm/kernel/arch/arm32/src/mach/integratorcp/integratorcp.c
File deleted
/branches/arm/kernel/arch/arm32/src/arm32.c
34,37 → 34,36
*/
 
#include <arch.h>
#include <arch/boot.h>
#include <config.h>
#include <arch/console.h>
#include <ddi/device.h>
#include <genarch/fb/fb.h>
#include <genarch/fb/visuals.h>
#include <genarch/drivers/dsrln/dsrlnin.h>
#include <genarch/drivers/dsrln/dsrlnout.h>
#include <genarch/srln/srln.h>
#include <sysinfo/sysinfo.h>
#include <console/console.h>
#include <ddi/irq.h>
#include <arch/machine.h>
#include <arch/debug/print.h>
#include <print.h>
#include <config.h>
#include <interrupt.h>
#include <arch/regutils.h>
#include <arch/machine.h>
#include <userspace.h>
#include <macros.h>
#include <string.h>
 
/** Performs arm32-specific initialization before main_bsp() is called. */
void arch_pre_main(void *entry __attribute__((unused)), bootinfo_t *bootinfo)
/** Information about loaded tasks. */
bootinfo_t bootinfo;
 
/** Performs arm32 specific initialization before main_bsp() is called. */
void arch_pre_main(void)
{
unsigned int i;
 
init.cnt = bootinfo.cnt;
 
for (i = 0; i < bootinfo.cnt; ++i) {
init.tasks[i].addr = bootinfo.tasks[i].addr;
init.tasks[i].size = bootinfo.tasks[i].size;
}
init.cnt = bootinfo->cnt;
for (i = 0; i < min3(bootinfo->cnt, TASKMAP_MAX_RECORDS, CONFIG_INIT_TASKS); ++i) {
init.tasks[i].addr = bootinfo->tasks[i].addr;
init.tasks[i].size = bootinfo->tasks[i].size;
str_cpy(init.tasks[i].name, CONFIG_TASK_NAME_BUFLEN,
bootinfo->tasks[i].name);
}
}
 
/** Performs arm32 specific initialization before mm is initialized. */
77,19 → 76,18
/** Performs arm32 specific initialization afterr mm is initialized. */
void arch_post_mm_init(void)
{
machine_init();
machine_hw_map_init();
 
/* Initialize exception dispatch table */
exception_init();
 
interrupt_init();
console_init(device_assign_devno());
 
#ifdef CONFIG_FB
machine_fb_init();
#else
#ifdef CONFIG_ARM_PRN
machine_srlnout_init();
#endif /* CONFIG_ARM_PRN */
#endif /* CONFIG_FB */
fb_init(machine_get_fb_address(), 640, 480, 2560, VISUAL_BGR_8_8_8_0);
#endif
}
 
/** Performs arm32 specific tasks needed after cpu is initialized.
118,7 → 116,6
*/
void arch_post_smp_init(void)
{
machine_input_init();
}
 
 
125,6 → 122,7
/** Performs arm32 specific tasks needed before the new task is run. */
void before_task_runs_arch(void)
{
tlb_invalidate_all();
}
 
 
136,7 → 134,6
{
uint8_t *stck;
tlb_invalidate_all();
stck = &THREAD->kstack[THREAD_STACK_SIZE - SP_DELTA];
supervisor_sp = (uintptr_t) stck;
}
159,37 → 156,9
void arch_reboot()
{
/* not implemented */
while (1);
for (;;)
;
}
 
/** Construct function pointer
*
* @param fptr function pointer structure
* @param addr function address
* @param caller calling function address
*
* @return address of the function pointer
*
*/
void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller)
{
return addr;
}
 
/** Acquire console back for kernel. */
void arch_grab_console(void)
{
machine_grab_console();
#ifdef CONFIG_FB
fb_redraw();
#endif
}
 
/** Return console to userspace. */
void arch_release_console(void)
{
machine_release_console();
}
 
/** @}
*/
/branches/arm/kernel/arch/arm32/src/drivers/qemu.c
0,0 → 1,425
/*
* Copyright (c) 2007 Michal Kebrt, Petr Stepan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup arm32qemu_icp
* @{
*/
/** @file
* @brief QEMU icp drivers.
*/
 
#include <interrupt.h>
#include <ipc/irq.h>
#include <console/chardev.h>
#include <arch/drivers/qemu.h>
#include <console/console.h>
#include <sysinfo/sysinfo.h>
#include <print.h>
#include <ddi/device.h>
#include <mm/page.h>
#include <arch/machine.h>
#include <arch/debug/print.h>
 
/* Addresses of devices. */
#define QEMU_ICP_VIDEORAM 0x16000000
#define QEMU_ICP_KBD 0x18000000
#define QEMU_ICP_HALT_OFFSET 0x10
#define QEMU_ICP_RTC 0x13000000
#define QEMU_ICP_RTC_FREQ_OFFSET 0x100
#define QEMU_ICP_RTC_ACK_OFFSET 0x110
#define QEMU_ICP_IRQC 0x14000000
#define QEMU_ICP_IRQC_MASK_OFFSET 0x8
#define QEMU_ICP_IRQC_UNMASK_OFFSET 0xC
#define QEMU_ICP_MP 0x11000000
#define QEMU_ICP_MP_MEMSIZE_OFFSET 0x0090
#define QEMU_ICP_FB 0x94000
 
#define ICP_VGA 0xC0000000
#define ICP_CMCR 0x10000000
 
/* IRQs */
#define QEMU_ICP_KBD_IRQ 3
#define QEMU_ICP_TIMER_IRQ 5
 
static qemu_icp_hw_map_t qemu_icp_hw_map;
static chardev_t console;
static irq_t qemu_icp_console_irq;
static irq_t qemu_icp_timer_irq;
 
static bool hw_map_init_called = false;
static bool vga_init = false;
 
static void qemu_icp_kbd_enable(chardev_t *dev);
static void qemu_icp_kbd_disable(chardev_t *dev);
static void qemu_icp_write(chardev_t *dev, const char ch);
static char qemu_icp_do_read(chardev_t *dev);
void icp_vga_init(void);
 
static chardev_operations_t qemu_icp_ops = {
.resume = qemu_icp_kbd_enable,
.suspend = qemu_icp_kbd_disable,
.write = qemu_icp_write,
.read = qemu_icp_do_read,
};
 
/** Initializes the vga
*
*/
void icp_vga_init(void)
{
*(uint32_t*)((char *)(qemu_icp_hw_map.cmcr)+0x14) = 0xA05F0000;
*(uint32_t*)((char *)(qemu_icp_hw_map.cmcr)+0x1C) = 0x12C11000;
*(uint32_t*)qemu_icp_hw_map.vga = 0x3F1F3F9C;
*(uint32_t*)((char *)(qemu_icp_hw_map.vga) + 0x4) = 0x080B61DF;
*(uint32_t*)((char *)(qemu_icp_hw_map.vga) + 0x8) = 0x067F3800;
*(uint32_t*)((char *)(qemu_icp_hw_map.vga) + 0x10) = QEMU_ICP_FB;
*(uint32_t *)((char *)(qemu_icp_hw_map.vga) + 0x1C) = 0x182B;
*(uint32_t*)((char *)(qemu_icp_hw_map.cmcr)+0xC) = 0x33805000;
}
 
/** Returns the mask of active interrupts. */
static inline uint32_t qemu_icp_irqc_get_sources(void)
{
return *((uint32_t *) qemu_icp_hw_map.irqc);
}
 
 
/** Masks interrupt.
*
* @param irq interrupt number
*/
static inline void qemu_icp_irqc_mask(uint32_t irq)
{
*((uint32_t *) qemu_icp_hw_map.irqc_mask) = irq;
}
 
 
/** Unmasks interrupt.
*
* @param irq interrupt number
*/
static inline void qemu_icp_irqc_unmask(uint32_t irq)
{
*((uint32_t *) qemu_icp_hw_map.irqc_unmask) = irq;
}
 
 
/** Initializes #qemu_icp_hw_map. */
void qemu_icp_hw_map_init(void)
{
qemu_icp_hw_map.videoram = hw_map(QEMU_ICP_VIDEORAM, PAGE_SIZE);
qemu_icp_hw_map.kbd = hw_map(QEMU_ICP_KBD, PAGE_SIZE);
qemu_icp_hw_map.rtc = hw_map(QEMU_ICP_RTC, PAGE_SIZE);
qemu_icp_hw_map.irqc = hw_map(QEMU_ICP_IRQC, PAGE_SIZE);
 
qemu_icp_hw_map.rtc_freq = qemu_icp_hw_map.rtc + QEMU_ICP_RTC_FREQ_OFFSET;
qemu_icp_hw_map.rtc_ack = qemu_icp_hw_map.rtc + QEMU_ICP_RTC_ACK_OFFSET;
qemu_icp_hw_map.irqc_mask = qemu_icp_hw_map.irqc + QEMU_ICP_IRQC_MASK_OFFSET;
qemu_icp_hw_map.irqc_unmask = qemu_icp_hw_map.irqc +
QEMU_ICP_IRQC_UNMASK_OFFSET;
qemu_icp_hw_map.cmcr = hw_map(ICP_CMCR, PAGE_SIZE);
qemu_icp_hw_map.vga = hw_map(ICP_VGA, PAGE_SIZE);
 
//icp_vga_init();
 
hw_map_init_called = true;
}
 
 
/** Putchar that works with qemu_icp.
*
* @param dev Not used.
* @param ch Characted to be printed.
*/
static void qemu_icp_write(chardev_t *dev, const char ch)
{
*((char *) qemu_icp_hw_map.videoram) = ch;
}
 
/** Enables qemu_icp keyboard (interrupt unmasked).
*
* @param dev Not used.
*
* Called from getc().
*/
static void qemu_icp_kbd_enable(chardev_t *dev)
{
qemu_icp_irqc_unmask(QEMU_ICP_KBD_IRQ);
}
 
/** Disables qemu_icp keyboard (interrupt masked).
*
* @param dev not used
*
* Called from getc().
*/
static void qemu_icp_kbd_disable(chardev_t *dev)
{
qemu_icp_irqc_mask(QEMU_ICP_KBD_IRQ);
}
 
/** Read character using polling, assume interrupts disabled.
*
* @param dev Not used.
*/
static char qemu_icp_do_read(chardev_t *dev)
{
char ch;
 
while (1) {
ch = *((volatile char *) qemu_icp_hw_map.kbd);
if (ch) {
if (ch == '\r')
return '\n';
if (ch == 0x7f)
return '\b';
return ch;
}
}
}
 
/** Process keyboard interrupt.
*
* @param irq IRQ information.
* @param arg Not used.
*/
static void qemu_icp_irq_handler(irq_t *irq, void *arg, ...)
{
if ((irq->notif_cfg.notify) && (irq->notif_cfg.answerbox)) {
ipc_irq_send_notif(irq);
} else {
char ch = 0;
ch = *((char *) qemu_icp_hw_map.kbd);
if (ch == '\r') {
ch = '\n';
}
if (ch == 0x7f) {
ch = '\b';
}
chardev_push_character(&console, ch);
}
}
 
static irq_ownership_t qemu_icp_claim(void)
{
return IRQ_ACCEPT;
}
 
 
/** Acquire console back for kernel. */
void qemu_icp_grab_console(void)
{
ipl_t ipl = interrupts_disable();
spinlock_lock(&qemu_icp_console_irq.lock);
qemu_icp_console_irq.notif_cfg.notify = false;
spinlock_unlock(&qemu_icp_console_irq.lock);
interrupts_restore(ipl);
}
 
/** Return console to userspace. */
void qemu_icp_release_console(void)
{
ipl_t ipl = interrupts_disable();
spinlock_lock(&qemu_icp_console_irq.lock);
if (qemu_icp_console_irq.notif_cfg.answerbox) {
qemu_icp_console_irq.notif_cfg.notify = true;
}
spinlock_unlock(&qemu_icp_console_irq.lock);
interrupts_restore(ipl);
}
 
/** Initializes console object representing qemu_icp console.
*
* @param devno device number.
*/
void qemu_icp_console_init(devno_t devno)
{
chardev_initialize("qemu_icp_console", &console, &qemu_icp_ops);
stdin = &console;
stdout = &console;
irq_initialize(&qemu_icp_console_irq);
qemu_icp_console_irq.devno = devno;
qemu_icp_console_irq.inr = QEMU_ICP_KBD_IRQ;
qemu_icp_console_irq.claim = qemu_icp_claim;
qemu_icp_console_irq.handler = qemu_icp_irq_handler;
irq_register(&qemu_icp_console_irq);
qemu_icp_irqc_unmask(QEMU_ICP_KBD_IRQ);
sysinfo_set_item_val("kbd", NULL, true);
sysinfo_set_item_val("kbd.devno", NULL, devno);
sysinfo_set_item_val("kbd.inr", NULL, QEMU_ICP_KBD_IRQ);
sysinfo_set_item_val("kbd.address.virtual", NULL, qemu_icp_hw_map.kbd);
}
 
/** Starts qemu_icp Real Time Clock device, which asserts regular interrupts.
*
* @param frequency Interrupts frequency (0 disables RTC).
*/
static void qemu_icp_timer_start(uint32_t frequency)
{
*((uint32_t*) qemu_icp_hw_map.rtc_freq) = frequency;
}
 
static irq_ownership_t qemu_icp_timer_claim(void)
{
return IRQ_ACCEPT;
}
 
/** Timer interrupt handler.
*
* @param irq Interrupt information.
* @param arg Not used.
*/
static void qemu_icp_timer_irq_handler(irq_t *irq, void *arg, ...)
{
/*
* We are holding a lock which prevents preemption.
* Release the lock, call clock() and reacquire the lock again.
*/
spinlock_unlock(&irq->lock);
clock();
spinlock_lock(&irq->lock);
 
/* acknowledge tick */
*((uint32_t*) qemu_icp_hw_map.rtc_ack) = 0;
}
 
/** Initializes and registers timer interrupt handler. */
static void qemu_icp_timer_irq_init(void)
{
irq_initialize(&qemu_icp_timer_irq);
qemu_icp_timer_irq.devno = device_assign_devno();
qemu_icp_timer_irq.inr = QEMU_ICP_TIMER_IRQ;
qemu_icp_timer_irq.claim = qemu_icp_timer_claim;
qemu_icp_timer_irq.handler = qemu_icp_timer_irq_handler;
 
irq_register(&qemu_icp_timer_irq);
}
 
 
/** Starts timer.
*
* Initiates regular timer interrupts after initializing
* corresponding interrupt handler.
*/
void qemu_icp_timer_irq_start(void)
{
qemu_icp_timer_irq_init();
qemu_icp_timer_start(QEMU_ICP_TIMER_FREQ);
}
 
/** Returns the size of emulated memory.
*
* @return Size in bytes.
*/
size_t qemu_icp_get_memory_size(void)
{
//return *((int *) (QEMU_ICP_MP + QEMU_ICP_MP_MEMSIZE_OFFSET));
return 0x2000000;
}
 
/** Prints a character.
*
* @param ch Character to be printed.
*/
void qemu_icp_debug_putc(char ch)
{
char *addr = 0;
if (!hw_map_init_called) {
addr = (char *) QEMU_ICP_KBD;
} else {
addr = (char *) qemu_icp_hw_map.videoram;
}
if (ch == '\n')
*(addr) = '\r';
*(addr) = ch;
}
 
/** Stops qemu_icp. */
void qemu_icp_cpu_halt(void)
{
char * addr = 0;
if (!hw_map_init_called) {
addr = (char *) QEMU_ICP_KBD;
} else {
addr = (char *) qemu_icp_hw_map.videoram;
}
*(addr + QEMU_ICP_HALT_OFFSET) = '\0';
}
 
/** Gxemul specific interrupt exception handler.
*
* Determines sources of the interrupt from interrupt controller and
* calls high-level handlers for them.
*
* @param exc_no Interrupt exception number.
* @param istate Saved processor state.
*/
void qemu_icp_irq_exception(int exc_no, istate_t *istate)
{
uint32_t sources = qemu_icp_irqc_get_sources();
int i;
for (i = 0; i < QEMU_ICP_IRQC_MAX_IRQ; i++) {
if (sources & (1 << i)) {
irq_t *irq = irq_dispatch_and_lock(i);
if (irq) {
/* The IRQ handler was found. */
irq->handler(irq, irq->arg);
spinlock_unlock(&irq->lock);
} else {
/* Spurious interrupt.*/
dprintf("cpu%d: spurious interrupt (inum=%d)\n",
CPU->id, i);
}
}
}
}
 
/** Returns address of framebuffer device.
*
* @return Address of framebuffer device.
*/
uintptr_t qemu_icp_get_fb_address(void)
{
if (!vga_init) {
icp_vga_init();
vga_init = true;
}
return (uintptr_t) QEMU_ICP_FB;
}
 
 
/** @}
*/
/branches/arm/kernel/arch/arm32/src/drivers/gxemul.c
0,0 → 1,393
/*
* Copyright (c) 2007 Michal Kebrt, Petr Stepan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup arm32gxemul
* @{
*/
/** @file
* @brief GXemul drivers.
*/
 
#include <interrupt.h>
#include <ipc/irq.h>
#include <console/chardev.h>
#include <arch/drivers/gxemul.h>
#include <console/console.h>
#include <sysinfo/sysinfo.h>
#include <print.h>
#include <ddi/device.h>
#include <mm/page.h>
#include <arch/machine.h>
#include <arch/debug/print.h>
 
/* Addresses of devices. */
#define GXEMUL_VIDEORAM 0x10000000
#define GXEMUL_KBD 0x10000000
#define GXEMUL_HALT_OFFSET 0x10
#define GXEMUL_RTC 0x15000000
#define GXEMUL_RTC_FREQ_OFFSET 0x100
#define GXEMUL_RTC_ACK_OFFSET 0x110
#define GXEMUL_IRQC 0x16000000
#define GXEMUL_IRQC_MASK_OFFSET 0x4
#define GXEMUL_IRQC_UNMASK_OFFSET 0x8
#define GXEMUL_MP 0x11000000
#define GXEMUL_MP_MEMSIZE_OFFSET 0x0090
#define GXEMUL_FB 0x12000000
 
/* IRQs */
#define GXEMUL_KBD_IRQ 2
#define GXEMUL_TIMER_IRQ 4
 
static gxemul_hw_map_t gxemul_hw_map;
static chardev_t console;
static irq_t gxemul_console_irq;
static irq_t gxemul_timer_irq;
 
static bool hw_map_init_called = false;
 
static void gxemul_kbd_enable(chardev_t *dev);
static void gxemul_kbd_disable(chardev_t *dev);
static void gxemul_write(chardev_t *dev, const char ch);
static char gxemul_do_read(chardev_t *dev);
 
static chardev_operations_t gxemul_ops = {
.resume = gxemul_kbd_enable,
.suspend = gxemul_kbd_disable,
.write = gxemul_write,
.read = gxemul_do_read,
};
 
 
/** Returns the mask of active interrupts. */
static inline uint32_t gxemul_irqc_get_sources(void)
{
return *((uint32_t *) gxemul_hw_map.irqc);
}
 
 
/** Masks interrupt.
*
* @param irq interrupt number
*/
static inline void gxemul_irqc_mask(uint32_t irq)
{
*((uint32_t *) gxemul_hw_map.irqc_mask) = irq;
}
 
 
/** Unmasks interrupt.
*
* @param irq interrupt number
*/
static inline void gxemul_irqc_unmask(uint32_t irq)
{
*((uint32_t *) gxemul_hw_map.irqc_unmask) = irq;
}
 
 
/** Initializes #gxemul_hw_map. */
void gxemul_hw_map_init(void)
{
gxemul_hw_map.videoram = hw_map(GXEMUL_VIDEORAM, PAGE_SIZE);
gxemul_hw_map.kbd = hw_map(GXEMUL_KBD, PAGE_SIZE);
gxemul_hw_map.rtc = hw_map(GXEMUL_RTC, PAGE_SIZE);
gxemul_hw_map.irqc = hw_map(GXEMUL_IRQC, PAGE_SIZE);
 
gxemul_hw_map.rtc_freq = gxemul_hw_map.rtc + GXEMUL_RTC_FREQ_OFFSET;
gxemul_hw_map.rtc_ack = gxemul_hw_map.rtc + GXEMUL_RTC_ACK_OFFSET;
gxemul_hw_map.irqc_mask = gxemul_hw_map.irqc + GXEMUL_IRQC_MASK_OFFSET;
gxemul_hw_map.irqc_unmask = gxemul_hw_map.irqc +
GXEMUL_IRQC_UNMASK_OFFSET;
 
hw_map_init_called = true;
}
 
 
/** Putchar that works with gxemul.
*
* @param dev Not used.
* @param ch Characted to be printed.
*/
static void gxemul_write(chardev_t *dev, const char ch)
{
*((char *) gxemul_hw_map.videoram) = ch;
}
 
/** Enables gxemul keyboard (interrupt unmasked).
*
* @param dev Not used.
*
* Called from getc().
*/
static void gxemul_kbd_enable(chardev_t *dev)
{
gxemul_irqc_unmask(GXEMUL_KBD_IRQ);
}
 
/** Disables gxemul keyboard (interrupt masked).
*
* @param dev not used
*
* Called from getc().
*/
static void gxemul_kbd_disable(chardev_t *dev)
{
gxemul_irqc_mask(GXEMUL_KBD_IRQ);
}
 
/** Read character using polling, assume interrupts disabled.
*
* @param dev Not used.
*/
static char gxemul_do_read(chardev_t *dev)
{
char ch;
 
while (1) {
ch = *((volatile char *) gxemul_hw_map.kbd);
if (ch) {
if (ch == '\r')
return '\n';
if (ch == 0x7f)
return '\b';
return ch;
}
}
}
 
/** Process keyboard interrupt.
*
* @param irq IRQ information.
* @param arg Not used.
*/
static void gxemul_irq_handler(irq_t *irq, void *arg, ...)
{
if ((irq->notif_cfg.notify) && (irq->notif_cfg.answerbox)) {
ipc_irq_send_notif(irq);
} else {
char ch = 0;
ch = *((char *) gxemul_hw_map.kbd);
if (ch == '\r') {
ch = '\n';
}
if (ch == 0x7f) {
ch = '\b';
}
chardev_push_character(&console, ch);
}
}
 
static irq_ownership_t gxemul_claim(void)
{
return IRQ_ACCEPT;
}
 
 
/** Acquire console back for kernel. */
void gxemul_grab_console(void)
{
ipl_t ipl = interrupts_disable();
spinlock_lock(&gxemul_console_irq.lock);
gxemul_console_irq.notif_cfg.notify = false;
spinlock_unlock(&gxemul_console_irq.lock);
interrupts_restore(ipl);
}
 
/** Return console to userspace. */
void gxemul_release_console(void)
{
ipl_t ipl = interrupts_disable();
spinlock_lock(&gxemul_console_irq.lock);
if (gxemul_console_irq.notif_cfg.answerbox) {
gxemul_console_irq.notif_cfg.notify = true;
}
spinlock_unlock(&gxemul_console_irq.lock);
interrupts_restore(ipl);
}
 
/** Initializes console object representing gxemul console.
*
* @param devno device number.
*/
void gxemul_console_init(devno_t devno)
{
chardev_initialize("gxemul_console", &console, &gxemul_ops);
stdin = &console;
stdout = &console;
irq_initialize(&gxemul_console_irq);
gxemul_console_irq.devno = devno;
gxemul_console_irq.inr = GXEMUL_KBD_IRQ;
gxemul_console_irq.claim = gxemul_claim;
gxemul_console_irq.handler = gxemul_irq_handler;
irq_register(&gxemul_console_irq);
gxemul_irqc_unmask(GXEMUL_KBD_IRQ);
sysinfo_set_item_val("kbd", NULL, true);
sysinfo_set_item_val("kbd.devno", NULL, devno);
sysinfo_set_item_val("kbd.inr", NULL, GXEMUL_KBD_IRQ);
sysinfo_set_item_val("kbd.address.virtual", NULL, gxemul_hw_map.kbd);
}
 
/** Starts gxemul Real Time Clock device, which asserts regular interrupts.
*
* @param frequency Interrupts frequency (0 disables RTC).
*/
static void gxemul_timer_start(uint32_t frequency)
{
*((uint32_t*) gxemul_hw_map.rtc_freq) = frequency;
}
 
static irq_ownership_t gxemul_timer_claim(void)
{
return IRQ_ACCEPT;
}
 
/** Timer interrupt handler.
*
* @param irq Interrupt information.
* @param arg Not used.
*/
static void gxemul_timer_irq_handler(irq_t *irq, void *arg, ...)
{
/*
* We are holding a lock which prevents preemption.
* Release the lock, call clock() and reacquire the lock again.
*/
spinlock_unlock(&irq->lock);
clock();
spinlock_lock(&irq->lock);
 
/* acknowledge tick */
*((uint32_t*) gxemul_hw_map.rtc_ack) = 0;
}
 
/** Initializes and registers timer interrupt handler. */
static void gxemul_timer_irq_init(void)
{
irq_initialize(&gxemul_timer_irq);
gxemul_timer_irq.devno = device_assign_devno();
gxemul_timer_irq.inr = GXEMUL_TIMER_IRQ;
gxemul_timer_irq.claim = gxemul_timer_claim;
gxemul_timer_irq.handler = gxemul_timer_irq_handler;
 
irq_register(&gxemul_timer_irq);
}
 
 
/** Starts timer.
*
* Initiates regular timer interrupts after initializing
* corresponding interrupt handler.
*/
void gxemul_timer_irq_start(void)
{
gxemul_timer_irq_init();
gxemul_timer_start(GXEMUL_TIMER_FREQ);
}
 
/** Returns the size of emulated memory.
*
* @return Size in bytes.
*/
size_t gxemul_get_memory_size(void)
{
return *((int *) (GXEMUL_MP + GXEMUL_MP_MEMSIZE_OFFSET));
}
 
/** Prints a character.
*
* @param ch Character to be printed.
*/
void gxemul_debug_putc(char ch)
{
char *addr = 0;
if (!hw_map_init_called) {
addr = (char *) GXEMUL_KBD;
} else {
addr = (char *) gxemul_hw_map.videoram;
}
 
*(addr) = ch;
}
 
/** Stops gxemul. */
void gxemul_cpu_halt(void)
{
char * addr = 0;
if (!hw_map_init_called) {
addr = (char *) GXEMUL_KBD;
} else {
addr = (char *) gxemul_hw_map.videoram;
}
*(addr + GXEMUL_HALT_OFFSET) = '\0';
}
 
/** Gxemul specific interrupt exception handler.
*
* Determines sources of the interrupt from interrupt controller and
* calls high-level handlers for them.
*
* @param exc_no Interrupt exception number.
* @param istate Saved processor state.
*/
void gxemul_irq_exception(int exc_no, istate_t *istate)
{
uint32_t sources = gxemul_irqc_get_sources();
int i;
for (i = 0; i < GXEMUL_IRQC_MAX_IRQ; i++) {
if (sources & (1 << i)) {
irq_t *irq = irq_dispatch_and_lock(i);
if (irq) {
/* The IRQ handler was found. */
irq->handler(irq, irq->arg);
spinlock_unlock(&irq->lock);
} else {
/* Spurious interrupt.*/
dprintf("cpu%d: spurious interrupt (inum=%d)\n",
CPU->id, i);
}
}
}
}
 
/** Returns address of framebuffer device.
*
* @return Address of framebuffer device.
*/
uintptr_t gxemul_get_fb_address(void)
{
return (uintptr_t) GXEMUL_FB;
}
 
/** @}
*/
/branches/arm/kernel/arch/arm32/src/asm.S
30,7 → 30,6
.text
 
.global memsetb
.global memsetw
.global memcpy
.global memcpy_from_uspace
.global memcpy_to_uspace
40,9 → 39,6
memsetb:
b _memsetb
 
memsetw:
b _memsetw
 
memcpy:
memcpy_from_uspace:
memcpy_to_uspace:
/branches/arm/kernel/arch/arm32/src/userspace.c
90,11 → 90,12
 
/* set user mode, set registers, jump */
asm volatile (
"mov sp, %[ustate]\n"
"msr spsr_c, %[user_mode]\n"
"ldmfd sp!, {r0-r12, sp, lr}^\n"
"mov sp, %0 \n"
"msr spsr_c, %1 \n"
"ldmfd sp!, {r0-r12, sp, lr}^ \n"
"ldmfd sp!, {pc}^\n"
:: [ustate] "r" (&ustate), [user_mode] "r" (user_mode)
:
: "r" (&ustate), "r" (user_mode)
);
 
/* unreachable */
/branches/arm/kernel/arch/arm32/src/exception.c
34,12 → 34,13
*/
 
#include <arch/exception.h>
#include <arch/debug/print.h>
#include <arch/memstr.h>
#include <arch/regutils.h>
#include <interrupt.h>
#include <arch/machine.h>
#include <arch/mm/page_fault.h>
#include <arch/barrier.h>
#include <arch/machine.h>
#include <print.h>
#include <syscall/syscall.h>
 
58,6 → 59,153
/** Size of memory block occupied by exception vectors. */
#define EXC_VECTORS_SIZE (EXC_VECTORS * 4)
 
/** Switches to kernel stack and saves all registers there.
*
* Temporary exception stack is used to save a few registers
* before stack switch takes place.
*/
inline static void setup_stack_and_save_regs()
{
asm volatile(
"ldr r13, =exc_stack \n"
"stmfd r13!, {r0} \n"
"mrs r0, spsr \n"
"and r0, r0, #0x1f \n"
"cmp r0, #0x10 \n"
"bne 1f \n"
 
/* prev mode was usermode */
"ldmfd r13!, {r0} \n"
"ldr r13, =supervisor_sp \n"
"ldr r13, [r13] \n"
"stmfd r13!, {lr} \n"
"stmfd r13!, {r0-r12} \n"
"stmfd r13!, {r13, lr}^ \n"
"mrs r0, spsr \n"
"stmfd r13!, {r0} \n"
"b 2f \n"
 
/* mode was not usermode */
"1:\n"
"stmfd r13!, {r1, r2, r3} \n"
"mrs r1, cpsr \n"
"mov r2, lr \n"
"bic r1, r1, #0x1f \n"
"orr r1, r1, r0 \n"
"mrs r0, cpsr \n"
"msr cpsr_c, r1 \n"
 
"mov r3, r13 \n"
"stmfd r13!, {r2} \n"
"mov r2, lr \n"
"stmfd r13!, {r4-r12} \n"
"mov r1, r13 \n"
/* the following two lines are for debugging */
"mov sp, #0 \n"
"mov lr, #0 \n"
"msr cpsr_c, r0 \n"
 
"ldmfd r13!, {r4, r5, r6, r7} \n"
"stmfd r1!, {r4, r5, r6} \n"
"stmfd r1!, {r7} \n"
"stmfd r1!, {r2} \n"
"stmfd r1!, {r3} \n"
"mrs r0, spsr \n"
"stmfd r1!, {r0} \n"
"mov r13, r1 \n"
"2:\n"
);
}
 
/** Returns from exception mode.
*
* Previously saved state of registers (including control register)
* is restored from the stack.
*/
inline static void load_regs()
{
asm volatile(
"ldmfd r13!, {r0} \n"
"msr spsr, r0 \n"
"and r0, r0, #0x1f \n"
"cmp r0, #0x10 \n"
"bne 1f \n"
 
/* return to user mode */
"ldmfd r13!, {r13, lr}^ \n"
"b 2f \n"
 
/* return to non-user mode */
"1:\n"
"ldmfd r13!, {r1, r2} \n"
"mrs r3, cpsr \n"
"bic r3, r3, #0x1f \n"
"orr r3, r3, r0 \n"
"mrs r0, cpsr \n"
"msr cpsr_c, r3 \n"
 
"mov r13, r1 \n"
"mov lr, r2 \n"
"msr cpsr_c, r0 \n"
 
/* actual return */
"2:\n"
"ldmfd r13, {r0-r12, pc}^\n"
);
}
 
 
/** Switch CPU to mode in which interrupts are serviced (currently it
* is Undefined mode).
*
* The default mode for interrupt servicing (Interrupt Mode)
* can not be used because of nested interrupts (which can occur
* because interrupts are enabled in higher levels of interrupt handler).
*/
inline static void switch_to_irq_servicing_mode()
{
/* switch to Undefined mode */
asm volatile(
/* save regs used during switching */
"stmfd sp!, {r0-r3} \n"
 
/* save stack pointer and link register to r1, r2 */
"mov r1, sp \n"
"mov r2, lr \n"
 
/* mode switch */
"mrs r0, cpsr \n"
"bic r0, r0, #0x1f \n"
"orr r0, r0, #0x1b \n"
"msr cpsr_c, r0 \n"
 
/* restore saved sp and lr */
"mov sp, r1 \n"
"mov lr, r2 \n"
 
/* restore original regs */
"ldmfd sp!, {r0-r3} \n"
);
}
 
/** Calls exception dispatch routine. */
#define CALL_EXC_DISPATCH(exception) \
asm("mov r0, %0" : : "i" (exception)); \
asm("mov r1, r13"); \
asm("bl exc_dispatch");
 
/** General exception handler.
*
* Stores registers, dispatches the exception,
* and finally restores registers and returns from exception processing.
*
* @param exception Exception number.
*/
#define PROCESS_EXCEPTION(exception) \
setup_stack_and_save_regs(); \
CALL_EXC_DISPATCH(exception) \
load_regs();
 
/** Updates specified exception vector to jump to given handler.
*
* Addresses of handlers are stored in memory following exception vectors.
79,6 → 227,62
 
}
 
/** Low-level Reset Exception handler. */
static void reset_exception_entry(void)
{
PROCESS_EXCEPTION(EXC_RESET);
}
 
/** Low-level Software Interrupt Exception handler. */
static void swi_exception_entry(void)
{
PROCESS_EXCEPTION(EXC_SWI);
}
 
/** Low-level Undefined Instruction Exception handler. */
static void undef_instr_exception_entry(void)
{
PROCESS_EXCEPTION(EXC_UNDEF_INSTR);
}
 
/** Low-level Fast Interrupt Exception handler. */
static void fiq_exception_entry(void)
{
PROCESS_EXCEPTION(EXC_FIQ);
}
 
/** Low-level Prefetch Abort Exception handler. */
static void prefetch_abort_exception_entry(void)
{
asm("sub lr, lr, #4");
PROCESS_EXCEPTION(EXC_PREFETCH_ABORT);
}
 
/** Low-level Data Abort Exception handler. */
static void data_abort_exception_entry(void)
{
asm("sub lr, lr, #8");
PROCESS_EXCEPTION(EXC_DATA_ABORT);
}
 
/** Low-level Interrupt Exception handler.
*
* CPU is switched to Undefined mode before further interrupt processing
* because of possible occurence of nested interrupt exception, which
* would overwrite (and thus spoil) stack pointer.
*/
static void irq_exception_entry(void)
{
asm("sub lr, lr, #4");
setup_stack_and_save_regs();
switch_to_irq_servicing_mode();
CALL_EXC_DISPATCH(EXC_IRQ)
 
load_regs();
}
 
/** Software Interrupt handler.
*
* Dispatches the syscall.
89,6 → 293,15
istate->r3, istate->r4, istate->r5, istate->r6);
}
 
/** Interrupt Exception handler.
*
* Determines the sources of interrupt and calls their handlers.
*/
static void irq_exception(int exc_no, istate_t *istate)
{
machine_irq_exception(exc_no, istate);
}
 
/** Fills exception vectors with appropriate exception handlers. */
void install_exception_handlers(void)
{
110,7 → 323,7
install_handler((unsigned) irq_exception_entry,
(unsigned *) EXC_IRQ_VEC);
install_handler((unsigned) fiq_exception_entry,
install_handler((unsigned)fiq_exception_entry,
(unsigned *) EXC_FIQ_VEC);
}
 
120,32 → 333,17
{
uint32_t control_reg;
asm volatile (
"mrc p15, 0, %[control_reg], c1, c1"
: [control_reg] "=r" (control_reg)
);
asm volatile("mrc p15, 0, %0, c1, c1" : "=r" (control_reg));
/* switch on the high vectors bit */
control_reg |= CP15_R1_HIGH_VECTORS_BIT;
asm volatile (
"mcr p15, 0, %[control_reg], c1, c1"
:: [control_reg] "r" (control_reg)
);
asm volatile("mcr p15, 0, %0, c1, c1" : : "r" (control_reg));
}
#endif
 
/** Interrupt Exception handler.
*
* Determines the sources of interrupt and calls their handlers.
*/
static void irq_exception(int exc_no, istate_t *istate)
{
machine_irq_exception(exc_no, istate);
}
 
/** Initializes exception handling.
*
*
* Installs low-level exception handlers and then registers
* exceptions and their handlers to kernel exception dispatcher.
*/
169,18 → 367,18
*/
void print_istate(istate_t *istate)
{
printf("istate dump:\n");
printf(" r0: %x r1: %x r2: %x r3: %x\n",
dprintf("istate dump:\n");
 
dprintf(" r0: %x r1: %x r2: %x r3: %x\n",
istate->r0, istate->r1, istate->r2, istate->r3);
printf(" r4: %x r5: %x r6: %x r7: %x\n",
dprintf(" r4: %x r5: %x r6: %x r7: %x\n",
istate->r4, istate->r5, istate->r6, istate->r7);
printf(" r8: %x r8: %x r10: %x r11: %x\n",
dprintf(" r8: %x r8: %x r10: %x r11: %x\n",
istate->r8, istate->r9, istate->r10, istate->r11);
printf(" r12: %x sp: %x lr: %x spsr: %x\n",
dprintf(" r12: %x sp: %x lr: %x spsr: %x\n",
istate->r12, istate->sp, istate->lr, istate->spsr);
printf(" pc: %x\n", istate->pc);
 
dprintf(" pc: %x\n", istate->pc);
}
 
/** @}
/branches/arm/kernel/arch/arm32/src/mm/page_fault.c
34,6 → 34,7
*/
#include <panic.h>
#include <arch/exception.h>
#include <arch/debug/print.h>
#include <arch/mm/page_fault.h>
#include <mm/as.h>
#include <genarch/mm/page_pt.h>
48,13 → 49,12
static inline fault_status_t read_fault_status_register(void)
{
fault_status_union_t fsu;
 
/* fault status is stored in CP15 register 5 */
asm volatile (
"mrc p15, 0, %[dummy], c5, c0, 0"
: [dummy] "=r" (fsu.dummy)
"mrc p15, 0, %0, c5, c0, 0"
: "=r"(fsu.dummy)
);
return fsu.fs;
}
 
61,18 → 61,17
/** Returns FAR (fault address register) content.
*
* @return FAR (fault address register) content (address that caused a page
* fault)
* fault)
*/
static inline uintptr_t read_fault_address_register(void)
{
uintptr_t ret;
 
/* fault adress is stored in CP15 register 6 */
asm volatile (
"mrc p15, 0, %[ret], c6, c0, 0"
: [ret] "=r" (ret)
"mrc p15, 0, %0, c6, c0, 0"
: "=r"(ret)
);
return ret;
}
 
81,26 → 80,29
* @param instr Instruction
*
* @return true when instruction is load/store, false otherwise
*
*/
static inline bool is_load_store_instruction(instruction_t instr)
{
/* load store immediate offset */
if (instr.type == 0x2)
if (instr.type == 0x2) {
return true;
}
 
/* load store register offset */
if ((instr.type == 0x3) && (instr.bit4 == 0))
if (instr.type == 0x3 && instr.bit4 == 0) {
return true;
}
 
/* load store multiple */
if (instr.type == 0x4)
if (instr.type == 0x4) {
return true;
}
 
/* oprocessor load/store */
if (instr.type == 0x6)
if (instr.type == 0x6) {
return true;
}
 
return false;
}
 
113,11 → 115,12
static inline bool is_swap_instruction(instruction_t instr)
{
/* swap, swapb instruction */
if ((instr.type == 0x0) &&
((instr.opcode == 0x8) || (instr.opcode == 0xa)) &&
(instr.access == 0x0) && (instr.bits567 == 0x4) && (instr.bit4 == 1))
if (instr.type == 0x0 &&
(instr.opcode == 0x8 || instr.opcode == 0xa) &&
instr.access == 0x0 && instr.bits567 == 0x4 && instr.bit4 == 1) {
return true;
}
 
return false;
}
 
139,8 → 142,8
 
/* undefined instructions */
if (instr.condition == 0xf) {
panic("page_fault - instruction does not access memory "
"(instr_code: %x, badvaddr:%x).", instr, badvaddr);
panic("page_fault - instruction doesn't access memory "
"(instr_code: %x, badvaddr:%x)", instr, badvaddr);
return PF_ACCESS_EXEC;
}
 
159,7 → 162,7
}
 
panic("page_fault - instruction doesn't access memory "
"(instr_code: %x, badvaddr:%x).", instr, badvaddr);
"(instr_code: %x, badvaddr:%x)", instr, badvaddr);
 
return PF_ACCESS_EXEC;
}
181,12 → 184,12
 
if (ret == AS_PF_FAULT) {
print_istate(istate);
printf("page fault - pc: %x, va: %x, status: %x(%x), "
dprintf("page fault - pc: %x, va: %x, status: %x(%x), "
"access:%d\n", istate->pc, badvaddr, fsr.status, fsr,
access);
fault_if_from_uspace(istate, "Page fault: %#x.", badvaddr);
panic("Page fault.");
 
fault_if_from_uspace(istate, "Page fault: %#x", badvaddr);
panic("page fault\n");
}
}
 
200,9 → 203,9
int ret = as_page_fault(istate->pc, PF_ACCESS_EXEC, istate);
 
if (ret == AS_PF_FAULT) {
printf("prefetch_abort\n");
dprintf("prefetch_abort\n");
print_istate(istate);
panic("page fault - prefetch_abort at address: %x.",
panic("page fault - prefetch_abort at address: %x\n",
istate->pc);
}
}
/branches/arm/kernel/arch/arm32/src/mm/frame.c
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup arm32mm
/** @addtogroup arm32mm
* @{
*/
/** @file
37,6 → 37,7
#include <arch/mm/frame.h>
#include <arch/machine.h>
#include <config.h>
#include <arch/debug/print.h>
 
/** Address of the last frame in the memory. */
uintptr_t last_frame = 0;
44,25 → 45,23
/** Creates memory zones. */
void frame_arch_init(void)
{
/* all memory as one zone */
zone_create(0, ADDR2PFN(machine_get_memory_size()),
BOOT_PAGE_TABLE_START_FRAME + BOOT_PAGE_TABLE_SIZE_IN_FRAMES, 0);
last_frame = machine_get_memory_size();
/* All memory as one zone */
zone_create(0, ADDR2PFN(last_frame),
BOOT_PAGE_TABLE_START_FRAME + BOOT_PAGE_TABLE_SIZE_IN_FRAMES, 0);
 
/* blacklist boot page table */
frame_mark_unavailable(BOOT_PAGE_TABLE_START_FRAME,
BOOT_PAGE_TABLE_SIZE_IN_FRAMES);
 
machine_frame_init();
}
 
/** Frees the boot page table. */
void boot_page_table_free(void)
{
unsigned int i;
for (i = 0; i < BOOT_PAGE_TABLE_SIZE_IN_FRAMES; i++)
int i;
for (i = 0; i < BOOT_PAGE_TABLE_SIZE_IN_FRAMES; i++) {
frame_free(i * FRAME_SIZE + BOOT_PAGE_TABLE_ADDRESS);
}
}
 
/** @}
/branches/arm/kernel/arch/arm32/src/mm/tlb.c
48,7 → 48,7
asm volatile (
"eor r1, r1\n"
"mcr p15, 0, r1, c8, c7, 0\n"
::: "r1"
: : : "r1"
);
}
 
68,8 → 68,9
static inline void invalidate_page(uintptr_t page)
{
asm volatile (
"mcr p15, 0, %[page], c8, c7, 1\n"
:: [page] "r" (page)
"mcr p15, 0, %0, c8, c7, 1"
:
: "r" (page)
);
}
 
80,7 → 81,7
* @param page Address of the first page whose entry is to be invalidated.
* @param cnt Number of entries to invalidate.
*/
void tlb_invalidate_pages(asid_t asid __attribute__((unused)), uintptr_t page, size_t cnt)
void tlb_invalidate_pages(asid_t asid, uintptr_t page, count_t cnt)
{
unsigned int i;
 
88,13 → 89,5
invalidate_page(page + i * PAGE_SIZE);
}
 
void tlb_arch_init(void)
{
}
 
void tlb_print(void)
{
}
 
/** @}
*/
/branches/arm/kernel/arch/arm32/src/mm/page.c
51,15 → 51,19
*/
void page_arch_init(void)
{
int flags = PAGE_CACHEABLE;
uintptr_t cur;
int flags;
 
page_mapping_operations = &pt_mapping_operations;
uintptr_t cur;
/* Kernel identity mapping */
for (cur = 0; cur < last_frame; cur += FRAME_SIZE)
 
flags = PAGE_CACHEABLE;
 
/* PA2KA(identity) mapping for all frames until last_frame */
for (cur = 0; cur < last_frame; cur += FRAME_SIZE) {
page_mapping_insert(AS_KERNEL, PA2KA(cur), cur, flags);
}
/* Create mapping for exception table at high offset */
/* create mapping for exception table at high offset */
#ifdef HIGH_EXCEPTION_VECTORS
void *virtaddr = frame_alloc(ONE_FRAME, FRAME_KA);
page_mapping_insert(AS_KERNEL, EXC_BASE_ADDRESS, KA2PA(virtaddr), flags);
66,9 → 70,9
#else
#error "Only high exception vector supported now"
#endif
 
as_switch(NULL, AS_KERNEL);
 
boot_page_table_free();
}
 
86,10 → 90,10
{
if (last_frame + ALIGN_UP(size, PAGE_SIZE) >
KA2PA(KERNEL_ADDRESS_SPACE_END_ARCH)) {
panic("Unable to map physical memory %p (%d bytes).",
panic("Unable to map physical memory %p (%d bytes)",
physaddr, size)
}
 
uintptr_t virtaddr = PA2KA(last_frame);
pfn_t i;
for (i = 0; i < ADDR2PFN(ALIGN_UP(size, PAGE_SIZE)); i++) {
97,7 → 101,7
physaddr + PFN2ADDR(i),
PAGE_NOT_CACHEABLE | PAGE_READ | PAGE_WRITE | PAGE_KERNEL);
}
 
last_frame = ALIGN_UP(last_frame + size, FRAME_SIZE);
return virtaddr;
}
/branches/arm/kernel/arch/arm32/src/debug/print.c
0,0 → 1,97
/*
* Copyright (c) 2007 Michal Kebrt
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup arm32
* @{
*/
/** @file
* @brief Debug print functions.
*/
 
#include <printf/printf_core.h>
#include <arch/debug/print.h>
#include <arch/machine.h>
 
/** Prints a character to the console.
*
* @param ch Character to be printed.
*/
static void putc(char ch)
{
machine_debug_putc(ch);
}
 
/** Prints a string to the console.
*
* @param str String to be printed.
* @param count Number of characters to be printed.
* @param unused Unused parameter.
*
* @return Number of printed characters.
*/
static int debug_write(const char *str, size_t count, void *unused)
{
unsigned int i;
for (i = 0; i < count; ++i)
putc(str[i]);
return i;
}
 
/** Prints a formated string.
*
* @param fmt "Printf-like" format.
*/
void debug_printf(const char *fmt, ...)
{
va_list args;
va_start (args, fmt);
 
struct printf_spec ps = {
(int (*)(void *, size_t, void *)) debug_write,
NULL
};
printf_core(fmt, &ps, args);
 
va_end(args);
}
 
/** Prints a string.
*
* @param str String to print.
*/
void debug_puts(const char *str)
{
while (*str) {
putc(*str);
str++;
}
}
 
/** @}
*/
/branches/arm/kernel/arch/arm32/src/cpu/cpu.c
36,7 → 36,7
#include <arch/cpu.h>
#include <cpu.h>
#include <arch.h>
#include <print.h>
#include <print.h>
 
/** Number of indexes left out in the #imp_data array */
#define IMP_DATA_START_OFFSET 0x40
82,10 → 82,10
{
uint32_t ident;
asm volatile (
"mrc p15, 0, %[ident], c0, c0, 0\n"
: [ident] "=r" (ident)
"mrc p15, 0, %0, c0, c0, 0\n"
: "=r" (ident)
);
 
cpu->imp_num = ident >> 24;
cpu->variant_num = (ident << 8) >> 28;
cpu->arch_num = (ident << 12) >> 28;
/branches/arm/kernel/arch/arm32/src/console.c
0,0 → 1,58
/*
* Copyright (c) 2007 Michal Kebrt
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup arm32
* @{
*/
/** @file
* @brief Console.
*/
 
#include <console/console.h>
#include <arch/console.h>
#include <arch/machine.h>
 
void console_init(devno_t devno)
{
machine_console_init(devno);
}
 
/** Acquire console back for kernel. */
void arch_grab_console(void)
{
machine_grab_console();
}
 
/** Return console to userspace. */
void arch_release_console(void)
{
machine_release_console();
}
 
/** @}
*/
/branches/arm/kernel/arch/arm32/src/panic.S
31,5 → 31,5
.global panic_printf
 
panic_printf:
bl printf
bl debug_printf
bl cpu_halt
/branches/arm/kernel/arch/arm32/src/interrupt.c
35,9 → 35,8
 
#include <arch/asm.h>
#include <arch/regutils.h>
#include <ddi/irq.h>
#include <arch/machine.h>
#include <ddi/irq.h>
#include <ddi/device.h>
#include <interrupt.h>
 
/** Initial size of a table holding interrupt handlers. */
65,7 → 64,7
ipl_t ipl = current_status_reg_read();
 
current_status_reg_control_write(ipl & ~STATUS_REG_IRQ_DISABLED_BIT);
 
return ipl;
}
 
96,7 → 95,6
{
irq_init(IRQ_COUNT, IRQ_COUNT);
machine_timer_irq_start();
}
 
/** @}
/branches/arm/kernel/arch/arm32/src/start.S
35,39 → 35,35
.global supervisor_sp
 
kernel_image_start:
# switch to supervisor mode
mrs r3, cpsr
bic r3, r3, #0x1f
orr r3, r3, #0x13
msr cpsr_c, r3
ldr sp, =temp_stack
 
# initialize Stack pointer for exception modes
mrs r4, cpsr
bic r4, r4, #0x1f
cmp r2, #0
beq bootinfo_end
 
#FIQ Mode
orr r3, r4, #0x11
msr cpsr_c, r3
ldr sp, =exc_stack
ldr r3, =bootinfo
 
#IRQ Mode
orr r3, r4, #0x12
msr cpsr_c, r3
ldr sp, =exc_stack
bootinfo_loop:
ldr r4, [r1]
str r4, [r3]
 
#ABORT Mode
orr r3, r4, #0x17
msr cpsr_c, r3
ldr sp, =exc_stack
add r1, r1, #4
add r3, r3, #4
add r2, r2, #-4
 
#UNDEFINED Mode
orr r3, r4, #0x1b
msr cpsr_c, r3
ldr sp, =exc_stack
cmp r2, #0
bne bootinfo_loop
bootinfo_end:
 
# switch to supervisor mode
orr r3, r4, #0x13
msr cpsr_c, r3
ldr sp, =temp_stack
bl arch_pre_main
 
bl main_bsp
 
.space TEMP_STACK_SIZE
78,3 → 74,4
 
supervisor_sp:
.space 4
 
/branches/arm/kernel/arch/arm32/Makefile.inc
29,6 → 29,10
## Toolchain configuration
#
 
ifndef CROSS_PREFIX
CROSS_PREFIX = /usr/local
endif
 
BFD_NAME = elf32-littlearm
BFD_ARCH = arm
BFD = binary
35,37 → 39,66
TARGET = arm-linux-gnu
TOOLCHAIN_DIR = $(CROSS_PREFIX)/arm
 
KERNEL_LOAD_ADDRESS = 0x80200000
 
ifeq ($(MACHINE), gxemul_testarm)
DMACHINE = MACHINE_GXEMUL_TESTARM
else ifeq ($(MACHINE), qemu_icp)
DMACHINE = MACHINE_QEMU_ICP
endif
 
ATSIGN = %
 
GCC_CFLAGS += -fno-zero-initialized-in-bss
 
BITS = 32
ENDIANESS = LE
DEFS += -D__32_BITS__ -DKERNEL_LOAD_ADDRESS=$(KERNEL_LOAD_ADDRESS) -D$(DMACHINE)
 
# Compile with framebuffer support
 
ifeq ($(CONFIG_FB), y)
DEFS += -DCONFIG_FB -DFB_INVERT_ENDIAN
endif
 
## Compile with hierarchical page tables support.
#
 
CONFIG_PAGE_PT = y
DEFS += -DCONFIG_PAGE_PT
 
## Compile with support for address space identifiers.
#
# no HW support for ASIDs
#CONFIG_ASID = y
#CONFIG_ASID_FIFO = y
 
## Compile with support with software division and multiplication.
#
 
CONFIG_SOFTINT = y
 
ARCH_SOURCES = \
arch/$(KARCH)/src/start.S \
arch/$(KARCH)/src/asm.S \
arch/$(KARCH)/src/exc_handler.S \
arch/$(KARCH)/src/arm32.c \
arch/$(KARCH)/src/machine_func.c \
arch/$(KARCH)/src/context.S \
arch/$(KARCH)/src/dummy.S \
arch/$(KARCH)/src/panic.S \
arch/$(KARCH)/src/cpu/cpu.c \
arch/$(KARCH)/src/ddi/ddi.c \
arch/$(KARCH)/src/interrupt.c \
arch/$(KARCH)/src/exception.c \
arch/$(KARCH)/src/userspace.c \
arch/$(KARCH)/src/mm/as.c \
arch/$(KARCH)/src/mm/frame.c \
arch/$(KARCH)/src/mm/page.c \
arch/$(KARCH)/src/mm/tlb.c \
arch/$(KARCH)/src/mm/page_fault.c
ifeq ($(MACHINE), testarm)
ARCH_SOURCES += arch/$(KARCH)/src/mach/testarm/testarm.c
else ifeq ($(MACHINE), integratorcp)
ARCH_SOURCES += arch/$(KARCH)/src/mach/integratorcp/integratorcp.c
arch/$(ARCH)/src/start.S \
arch/$(ARCH)/src/asm.S \
arch/$(ARCH)/src/arm32.c \
arch/$(ARCH)/src/context.S \
arch/$(ARCH)/src/dummy.S \
arch/$(ARCH)/src/panic.S \
arch/$(ARCH)/src/cpu/cpu.c \
arch/$(ARCH)/src/ddi/ddi.c \
arch/$(ARCH)/src/interrupt.c \
arch/$(ARCH)/src/debug/print.c \
arch/$(ARCH)/src/console.c \
arch/$(ARCH)/src/exception.c \
arch/$(ARCH)/src/userspace.c \
arch/$(ARCH)/src/mm/as.c \
arch/$(ARCH)/src/mm/frame.c \
arch/$(ARCH)/src/mm/page.c \
arch/$(ARCH)/src/mm/tlb.c \
arch/$(ARCH)/src/mm/page_fault.c
 
ifeq ($(MACHINE), gxemul_testarm)
ARCH_SOURCES += arch/$(ARCH)/src/drivers/gxemul.c
else ifeq ($(MACHINE), qemu_icp)
ARCH_SOURCES += arch/$(ARCH)/src/drivers/qemu.c
endif
ifeq ($(CONFIG_PL050), y)
ARCH_SOURCES += genarch/src/drivers/pl050/pl050.c
endif
 
/branches/arm/kernel/arch/arm32/_link.ld.in
1,16 → 1,15
/*
* ARM linker script
*
* ARM linker script
*
* kernel text
* kernel data
*
*
*/
 
#define KERNEL_LOAD_ADDRESS 0x80200000
 
OUTPUT_ARCH(arm)
ENTRY(kernel_image_start)
ENTRY(kernel_image_start)
 
 
SECTIONS {
. = KERNEL_LOAD_ADDRESS;
.text : {
20,29 → 19,29
}
.data : {
kdata_start = .;
*(.data); /* initialized data */
*(.data); /* initialized data */
hardcoded_ktext_size = .;
LONG(ktext_end - ktext_start);
LONG(ktext_end - ktext_start);
hardcoded_kdata_size = .;
LONG(kdata_end - kdata_start);
hardcoded_load_address = .;
LONG(KERNEL_LOAD_ADDRESS);
*(.bss); /* uninitialized static variables */
*(COMMON); /* global variables */
*(.bss); /* uninitialized static variables */
*(COMMON); /* global variables */
 
*(.rodata*);
*(.sdata);
*(.reginfo);
symbol_table = .;
*(symtab.*);
*(symtab.*);
}
.sbss : {
*(.sbss);
*(.scommon);
}
 
kdata_end = .;
 
/DISCARD/ : {
*(.mdebug*);
*(.pdr);
49,4 → 48,5
*(.comment);
*(.note);
}
 
}
/branches/arm/kernel/arch/sparc64/include/cpu_node.h
File deleted
/branches/arm/kernel/arch/sparc64/include/cpu_family.h
File deleted
/branches/arm/kernel/arch/sparc64/include/trap/trap_table.h
100,7 → 100,7
 
.macro PREEMPTIBLE_HANDLER f
sethi %hi(\f), %g1
ba %xcc, preemptible_handler
b preemptible_handler
or %g1, %lo(\f), %g1
.endm
 
/branches/arm/kernel/arch/sparc64/include/trap/mmu.h
103,20 → 103,17
* Note that branch-delay slots are used in order to save space.
*/
0:
sethi %hi(fast_data_access_mmu_miss_data_hi), %g7
wr %g0, ASI_DMMU, %asi
ldxa [VA_DMMU_TAG_ACCESS] %asi, %g1 ! read the faulting Context and VPN
mov VA_DMMU_TAG_ACCESS, %g1
ldxa [%g1] ASI_DMMU, %g1 ! read the faulting Context and VPN
set TLB_TAG_ACCESS_CONTEXT_MASK, %g2
andcc %g1, %g2, %g3 ! get Context
bnz %xcc, 0f ! Context is non-zero
bnz 0f ! Context is non-zero
andncc %g1, %g2, %g3 ! get page address into %g3
bz %xcc, 0f ! page address is zero
ldx [%g7 + %lo(end_of_identity)], %g4
cmp %g3, %g4
bgeu %xcc, 0f
bz 0f ! page address is zero
 
ldx [%g7 + %lo(kernel_8k_tlb_data_template)], %g2
add %g3, %g2, %g2
sethi %hi(kernel_8k_tlb_data_template), %g2
ldx [%g2 + %lo(kernel_8k_tlb_data_template)], %g2
or %g3, %g2, %g2
stxa %g2, [%g0] ASI_DTLB_DATA_IN_REG ! identity map the kernel page
retry
 
141,7 → 138,8
* Read the Tag Access register for the higher-level handler.
* This is necessary to survive nested DTLB misses.
*/
ldxa [VA_DMMU_TAG_ACCESS] %asi, %g2
mov VA_DMMU_TAG_ACCESS, %g2
ldxa [%g2] ASI_DMMU, %g2
 
/*
* g2 will be passed as an argument to fast_data_access_mmu_miss().
/branches/arm/kernel/arch/sparc64/include/trap/interrupt.h
49,43 → 49,21
 
 
/* Interrupt ASI registers. */
#define ASI_INTR_W 0x77
#define ASI_UDB_INTR_W 0x77
#define ASI_INTR_DISPATCH_STATUS 0x48
#define ASI_INTR_R 0x7f
#define ASI_UDB_INTR_R 0x7f
#define ASI_INTR_RECEIVE 0x49
 
/* VA's used with ASI_INTR_W register. */
#if defined (US)
/* VA's used with ASI_UDB_INTR_W register. */
#define ASI_UDB_INTR_W_DATA_0 0x40
#define ASI_UDB_INTR_W_DATA_1 0x50
#define ASI_UDB_INTR_W_DATA_2 0x60
#elif defined (US3)
#define VA_INTR_W_DATA_0 0x40
#define VA_INTR_W_DATA_1 0x48
#define VA_INTR_W_DATA_2 0x50
#define VA_INTR_W_DATA_3 0x58
#define VA_INTR_W_DATA_4 0x60
#define VA_INTR_W_DATA_5 0x68
#define VA_INTR_W_DATA_6 0x80
#define VA_INTR_W_DATA_7 0x88
#endif
#define VA_INTR_W_DISPATCH 0x70
#define ASI_UDB_INTR_W_DISPATCH 0x70
 
/* VA's used with ASI_INTR_R register. */
#if defined(US)
/* VA's used with ASI_UDB_INTR_R register. */
#define ASI_UDB_INTR_R_DATA_0 0x40
#define ASI_UDB_INTR_R_DATA_1 0x50
#define ASI_UDB_INTR_R_DATA_2 0x60
#elif defined (US3)
#define VA_INTR_R_DATA_0 0x40
#define VA_INTR_R_DATA_1 0x48
#define VA_INTR_R_DATA_2 0x50
#define VA_INTR_R_DATA_3 0x58
#define VA_INTR_R_DATA_4 0x60
#define VA_INTR_R_DATA_5 0x68
#define VA_INTR_R_DATA_6 0x80
#define VA_INTR_R_DATA_7 0x88
#endif
 
/* Shifts in the Interrupt Vector Dispatch virtual address. */
#define INTR_VEC_DISPATCH_MID_SHIFT 14
/branches/arm/kernel/arch/sparc64/include/trap/regwin.h
39,7 → 39,6
 
#include <arch/stack.h>
#include <arch/arch.h>
#include <align.h>
 
#define TT_CLEAN_WINDOW 0x24
#define TT_SPILL_0_NORMAL 0x80 /* kernel spills */
73,11 → 72,6
#define I6_OFFSET 112
#define I7_OFFSET 120
 
/* Uspace Window Buffer constants. */
#define UWB_SIZE ((NWINDOWS - 1) * STACK_WINDOW_SAVE_AREA_SIZE)
#define UWB_ALIGNMENT 1024
#define UWB_ASIZE ALIGN_UP(UWB_SIZE, UWB_ALIGNMENT)
 
#ifdef __ASM__
 
/*
/branches/arm/kernel/arch/sparc64/include/atomic.h
123,7 → 123,7
"ldx %0, %2\n"
"brz %2, 0b\n"
"nop\n"
"ba %xcc, 1b\n"
"ba 1b\n"
"nop\n"
"2:\n"
: "+m" (*((uint64_t *) x)), "+r" (tmp1), "+r" (tmp2) : "r" (0)
/branches/arm/kernel/arch/sparc64/include/mm/tlb.h
35,17 → 35,9
#ifndef KERN_sparc64_TLB_H_
#define KERN_sparc64_TLB_H_
 
#if defined (US)
#define ITLB_ENTRY_COUNT 64
#define DTLB_ENTRY_COUNT 64
#define DTLB_MAX_LOCKED_ENTRIES DTLB_ENTRY_COUNT
#endif
 
/** TLB_DSMALL is the only of the three DMMUs that can hold locked entries. */
#if defined (US3)
#define DTLB_MAX_LOCKED_ENTRIES 16
#endif
 
#define MEM_CONTEXT_KERNEL 0
#define MEM_CONTEXT_TEMP 1
 
61,9 → 53,6
/* TLB Demap Operation types. */
#define TLB_DEMAP_PAGE 0
#define TLB_DEMAP_CONTEXT 1
#if defined (US3)
#define TLB_DEMAP_ALL 2
#endif
 
#define TLB_DEMAP_TYPE_SHIFT 6
 
72,18 → 61,6
#define TLB_DEMAP_SECONDARY 1
#define TLB_DEMAP_NUCLEUS 2
 
/* There are more TLBs in one MMU in US3, their codes are defined here. */
#if defined (US3)
/* D-MMU: one small (16-entry) TLB and two big (512-entry) TLBs */
#define TLB_DSMALL 0
#define TLB_DBIG_0 2
#define TLB_DBIG_1 3
/* I-MMU: one small (16-entry) TLB and one big TLB */
#define TLB_ISMALL 0
#define TLB_IBIG 2
#endif
 
#define TLB_DEMAP_CONTEXT_SHIFT 4
 
/* TLB Tag Access shifts */
99,8 → 76,6
#include <arch/asm.h>
#include <arch/barrier.h>
#include <arch/types.h>
#include <arch/register.h>
#include <arch/cpu.h>
 
union tlb_context_reg {
uint64_t v;
115,9 → 90,6
typedef tte_data_t tlb_data_t;
 
/** I-/D-TLB Data Access Address in Alternate Space. */
 
#if defined (US)
 
union tlb_data_access_addr {
uint64_t value;
struct {
126,54 → 98,9
unsigned : 3;
} __attribute__ ((packed));
};
typedef union tlb_data_access_addr dtlb_data_access_addr_t;
typedef union tlb_data_access_addr dtlb_tag_read_addr_t;
typedef union tlb_data_access_addr itlb_data_access_addr_t;
typedef union tlb_data_access_addr itlb_tag_read_addr_t;
typedef union tlb_data_access_addr tlb_data_access_addr_t;
typedef union tlb_data_access_addr tlb_tag_read_addr_t;
 
#elif defined (US3)
 
/*
* In US3, I-MMU and D-MMU have different formats of the data
* access register virtual address. In the corresponding
* structures the member variable for the entry number is
* called "local_tlb_entry" - it contrasts with the "tlb_entry"
* for the US data access register VA structure. The rationale
* behind this is to prevent careless mistakes in the code
* caused by setting only the entry number and not the TLB
* number in the US3 code (when taking the code from US).
*/
 
union dtlb_data_access_addr {
uint64_t value;
struct {
uint64_t : 45;
unsigned : 1;
unsigned tlb_number : 2;
unsigned : 4;
unsigned local_tlb_entry : 9;
unsigned : 3;
} __attribute__ ((packed));
};
typedef union dtlb_data_access_addr dtlb_data_access_addr_t;
typedef union dtlb_data_access_addr dtlb_tag_read_addr_t;
 
union itlb_data_access_addr {
uint64_t value;
struct {
uint64_t : 45;
unsigned : 1;
unsigned tlb_number : 2;
unsigned : 6;
unsigned local_tlb_entry : 7;
unsigned : 3;
} __attribute__ ((packed));
};
typedef union itlb_data_access_addr itlb_data_access_addr_t;
typedef union itlb_data_access_addr itlb_tag_read_addr_t;
 
#endif
 
/** I-/D-TLB Tag Read Register. */
union tlb_tag_read_reg {
uint64_t value;
191,13 → 118,8
uint64_t value;
struct {
uint64_t vpn: 51; /**< Virtual Address bits 63:13. */
#if defined (US)
unsigned : 6; /**< Ignored. */
unsigned type : 1; /**< The type of demap operation. */
#elif defined (US3)
unsigned : 5; /**< Ignored. */
unsigned type: 2; /**< The type of demap operation. */
#endif
unsigned context : 2; /**< Context register selection. */
unsigned : 4; /**< Zero. */
} __attribute__ ((packed));
208,19 → 130,10
union tlb_sfsr_reg {
uint64_t value;
struct {
#if defined (US)
unsigned long : 40; /**< Implementation dependent. */
unsigned asi : 8; /**< ASI. */
unsigned : 2;
unsigned ft : 7; /**< Fault type. */
#elif defined (US3)
unsigned long : 39; /**< Implementation dependent. */
unsigned nf : 1; /**< Non-faulting load. */
unsigned asi : 8; /**< ASI. */
unsigned tm : 1; /**< I-TLB miss. */
unsigned : 3; /**< Reserved. */
unsigned ft : 5; /**< Fault type. */
#endif
unsigned e : 1; /**< Side-effect bit. */
unsigned ct : 2; /**< Context Register selection. */
unsigned pr : 1; /**< Privilege bit. */
231,53 → 144,9
};
typedef union tlb_sfsr_reg tlb_sfsr_reg_t;
 
#if defined (US3)
 
/*
* Functions for determining the number of entries in TLBs. They either return
* a constant value or a value based on the CPU autodetection.
*/
 
/**
* Determine the number of entries in the DMMU's small TLB.
*/
static inline uint16_t tlb_dsmall_size(void)
{
return 16;
}
 
/**
* Determine the number of entries in each DMMU's big TLB.
*/
static inline uint16_t tlb_dbig_size(void)
{
return 512;
}
 
/**
* Determine the number of entries in the IMMU's small TLB.
*/
static inline uint16_t tlb_ismall_size(void)
{
return 16;
}
 
/**
* Determine the number of entries in the IMMU's big TLB.
*/
static inline uint16_t tlb_ibig_size(void)
{
if (((ver_reg_t) ver_read()).impl == IMPL_ULTRASPARCIV_PLUS)
return 512;
else
return 128;
}
 
#endif
 
/** Read MMU Primary Context Register.
*
* @return Current value of Primary Context Register.
* @return Current value of Primary Context Register.
*/
static inline uint64_t mmu_primary_context_read(void)
{
286,7 → 155,7
 
/** Write MMU Primary Context Register.
*
* @param v New value of Primary Context Register.
* @param v New value of Primary Context Register.
*/
static inline void mmu_primary_context_write(uint64_t v)
{
296,7 → 165,7
 
/** Read MMU Secondary Context Register.
*
* @return Current value of Secondary Context Register.
* @return Current value of Secondary Context Register.
*/
static inline uint64_t mmu_secondary_context_read(void)
{
305,7 → 174,7
 
/** Write MMU Primary Context Register.
*
* @param v New value of Primary Context Register.
* @param v New value of Primary Context Register.
*/
static inline void mmu_secondary_context_write(uint64_t v)
{
313,18 → 182,15
flush_pipeline();
}
 
#if defined (US)
 
/** Read IMMU TLB Data Access Register.
*
* @param entry TLB Entry index.
* @param entry TLB Entry index.
*
* @return Current value of specified IMMU TLB Data Access
* Register.
* @return Current value of specified IMMU TLB Data Access Register.
*/
static inline uint64_t itlb_data_access_read(size_t entry)
static inline uint64_t itlb_data_access_read(index_t entry)
{
itlb_data_access_addr_t reg;
tlb_data_access_addr_t reg;
reg.value = 0;
reg.tlb_entry = entry;
333,12 → 199,12
 
/** Write IMMU TLB Data Access Register.
*
* @param entry TLB Entry index.
* @param value Value to be written.
* @param entry TLB Entry index.
* @param value Value to be written.
*/
static inline void itlb_data_access_write(size_t entry, uint64_t value)
static inline void itlb_data_access_write(index_t entry, uint64_t value)
{
itlb_data_access_addr_t reg;
tlb_data_access_addr_t reg;
reg.value = 0;
reg.tlb_entry = entry;
348,14 → 214,13
 
/** Read DMMU TLB Data Access Register.
*
* @param entry TLB Entry index.
* @param entry TLB Entry index.
*
* @return Current value of specified DMMU TLB Data Access
* Register.
* @return Current value of specified DMMU TLB Data Access Register.
*/
static inline uint64_t dtlb_data_access_read(size_t entry)
static inline uint64_t dtlb_data_access_read(index_t entry)
{
dtlb_data_access_addr_t reg;
tlb_data_access_addr_t reg;
reg.value = 0;
reg.tlb_entry = entry;
364,12 → 229,12
 
/** Write DMMU TLB Data Access Register.
*
* @param entry TLB Entry index.
* @param value Value to be written.
* @param entry TLB Entry index.
* @param value Value to be written.
*/
static inline void dtlb_data_access_write(size_t entry, uint64_t value)
static inline void dtlb_data_access_write(index_t entry, uint64_t value)
{
dtlb_data_access_addr_t reg;
tlb_data_access_addr_t reg;
reg.value = 0;
reg.tlb_entry = entry;
379,13 → 244,13
 
/** Read IMMU TLB Tag Read Register.
*
* @param entry TLB Entry index.
* @param entry TLB Entry index.
*
* @return Current value of specified IMMU TLB Tag Read Register.
* @return Current value of specified IMMU TLB Tag Read Register.
*/
static inline uint64_t itlb_tag_read_read(size_t entry)
static inline uint64_t itlb_tag_read_read(index_t entry)
{
itlb_tag_read_addr_t tag;
tlb_tag_read_addr_t tag;
 
tag.value = 0;
tag.tlb_entry = entry;
394,13 → 259,13
 
/** Read DMMU TLB Tag Read Register.
*
* @param entry TLB Entry index.
* @param entry TLB Entry index.
*
* @return Current value of specified DMMU TLB Tag Read Register.
* @return Current value of specified DMMU TLB Tag Read Register.
*/
static inline uint64_t dtlb_tag_read_read(size_t entry)
static inline uint64_t dtlb_tag_read_read(index_t entry)
{
dtlb_tag_read_addr_t tag;
tlb_tag_read_addr_t tag;
 
tag.value = 0;
tag.tlb_entry = entry;
407,120 → 272,9
return asi_u64_read(ASI_DTLB_TAG_READ_REG, tag.value);
}
 
#elif defined (US3)
 
 
/** Read IMMU TLB Data Access Register.
*
* @param tlb TLB number (one of TLB_ISMALL or TLB_IBIG)
* @param entry TLB Entry index.
*
* @return Current value of specified IMMU TLB Data Access
* Register.
*/
static inline uint64_t itlb_data_access_read(int tlb, size_t entry)
{
itlb_data_access_addr_t reg;
reg.value = 0;
reg.tlb_number = tlb;
reg.local_tlb_entry = entry;
return asi_u64_read(ASI_ITLB_DATA_ACCESS_REG, reg.value);
}
 
/** Write IMMU TLB Data Access Register.
* @param tlb TLB number (one of TLB_ISMALL or TLB_IBIG)
* @param entry TLB Entry index.
* @param value Value to be written.
*/
static inline void itlb_data_access_write(int tlb, size_t entry,
uint64_t value)
{
itlb_data_access_addr_t reg;
reg.value = 0;
reg.tlb_number = tlb;
reg.local_tlb_entry = entry;
asi_u64_write(ASI_ITLB_DATA_ACCESS_REG, reg.value, value);
flush_pipeline();
}
 
/** Read DMMU TLB Data Access Register.
*
* @param tlb TLB number (one of TLB_DSMALL, TLB_DBIG, TLB_DBIG)
* @param entry TLB Entry index.
*
* @return Current value of specified DMMU TLB Data Access
* Register.
*/
static inline uint64_t dtlb_data_access_read(int tlb, size_t entry)
{
dtlb_data_access_addr_t reg;
reg.value = 0;
reg.tlb_number = tlb;
reg.local_tlb_entry = entry;
return asi_u64_read(ASI_DTLB_DATA_ACCESS_REG, reg.value);
}
 
/** Write DMMU TLB Data Access Register.
*
* @param tlb TLB number (one of TLB_DSMALL, TLB_DBIG_0, TLB_DBIG_1)
* @param entry TLB Entry index.
* @param value Value to be written.
*/
static inline void dtlb_data_access_write(int tlb, size_t entry,
uint64_t value)
{
dtlb_data_access_addr_t reg;
reg.value = 0;
reg.tlb_number = tlb;
reg.local_tlb_entry = entry;
asi_u64_write(ASI_DTLB_DATA_ACCESS_REG, reg.value, value);
membar();
}
 
/** Read IMMU TLB Tag Read Register.
*
* @param tlb TLB number (one of TLB_ISMALL or TLB_IBIG)
* @param entry TLB Entry index.
*
* @return Current value of specified IMMU TLB Tag Read Register.
*/
static inline uint64_t itlb_tag_read_read(int tlb, size_t entry)
{
itlb_tag_read_addr_t tag;
 
tag.value = 0;
tag.tlb_number = tlb;
tag.local_tlb_entry = entry;
return asi_u64_read(ASI_ITLB_TAG_READ_REG, tag.value);
}
 
/** Read DMMU TLB Tag Read Register.
*
* @param tlb TLB number (one of TLB_DSMALL, TLB_DBIG_0, TLB_DBIG_1)
* @param entry TLB Entry index.
*
* @return Current value of specified DMMU TLB Tag Read Register.
*/
static inline uint64_t dtlb_tag_read_read(int tlb, size_t entry)
{
dtlb_tag_read_addr_t tag;
 
tag.value = 0;
tag.tlb_number = tlb;
tag.local_tlb_entry = entry;
return asi_u64_read(ASI_DTLB_TAG_READ_REG, tag.value);
}
 
#endif
 
 
/** Write IMMU TLB Tag Access Register.
*
* @param v Value to be written.
* @param v Value to be written.
*/
static inline void itlb_tag_access_write(uint64_t v)
{
530,7 → 284,7
 
/** Read IMMU TLB Tag Access Register.
*
* @return Current value of IMMU TLB Tag Access Register.
* @return Current value of IMMU TLB Tag Access Register.
*/
static inline uint64_t itlb_tag_access_read(void)
{
539,7 → 293,7
 
/** Write DMMU TLB Tag Access Register.
*
* @param v Value to be written.
* @param v Value to be written.
*/
static inline void dtlb_tag_access_write(uint64_t v)
{
549,7 → 303,7
 
/** Read DMMU TLB Tag Access Register.
*
* @return Current value of DMMU TLB Tag Access Register.
* @return Current value of DMMU TLB Tag Access Register.
*/
static inline uint64_t dtlb_tag_access_read(void)
{
559,7 → 313,7
 
/** Write IMMU TLB Data in Register.
*
* @param v Value to be written.
* @param v Value to be written.
*/
static inline void itlb_data_in_write(uint64_t v)
{
569,7 → 323,7
 
/** Write DMMU TLB Data in Register.
*
* @param v Value to be written.
* @param v Value to be written.
*/
static inline void dtlb_data_in_write(uint64_t v)
{
579,7 → 333,7
 
/** Read ITLB Synchronous Fault Status Register.
*
* @return Current content of I-SFSR register.
* @return Current content of I-SFSR register.
*/
static inline uint64_t itlb_sfsr_read(void)
{
588,7 → 342,7
 
/** Write ITLB Synchronous Fault Status Register.
*
* @param v New value of I-SFSR register.
* @param v New value of I-SFSR register.
*/
static inline void itlb_sfsr_write(uint64_t v)
{
598,7 → 352,7
 
/** Read DTLB Synchronous Fault Status Register.
*
* @return Current content of D-SFSR register.
* @return Current content of D-SFSR register.
*/
static inline uint64_t dtlb_sfsr_read(void)
{
607,7 → 361,7
 
/** Write DTLB Synchronous Fault Status Register.
*
* @param v New value of D-SFSR register.
* @param v New value of D-SFSR register.
*/
static inline void dtlb_sfsr_write(uint64_t v)
{
617,7 → 371,7
 
/** Read DTLB Synchronous Fault Address Register.
*
* @return Current content of D-SFAR register.
* @return Current content of D-SFAR register.
*/
static inline uint64_t dtlb_sfar_read(void)
{
626,11 → 380,10
 
/** Perform IMMU TLB Demap Operation.
*
* @param type Selects between context and page demap (and entire MMU
* demap on US3).
* @param type Selects between context and page demap.
* @param context_encoding Specifies which Context register has Context ID for
* demap.
* @param page Address which is on the page to be demapped.
* demap.
* @param page Address which is on the page to be demapped.
*/
static inline void itlb_demap(int type, int context_encoding, uintptr_t page)
{
644,19 → 397,18
da.context = context_encoding;
da.vpn = pg.vpn;
/* da.value is the address within the ASI */
asi_u64_write(ASI_IMMU_DEMAP, da.value, 0);
 
asi_u64_write(ASI_IMMU_DEMAP, da.value, 0); /* da.value is the
* address within the
* ASI */
flush_pipeline();
}
 
/** Perform DMMU TLB Demap Operation.
*
* @param type Selects between context and page demap (and entire MMU
* demap on US3).
* @param type Selects between context and page demap.
* @param context_encoding Specifies which Context register has Context ID for
* demap.
* @param page Address which is on the page to be demapped.
* demap.
* @param page Address which is on the page to be demapped.
*/
static inline void dtlb_demap(int type, int context_encoding, uintptr_t page)
{
670,17 → 422,17
da.context = context_encoding;
da.vpn = pg.vpn;
/* da.value is the address within the ASI */
asi_u64_write(ASI_DMMU_DEMAP, da.value, 0);
 
asi_u64_write(ASI_DMMU_DEMAP, da.value, 0); /* da.value is the
* address within the
* ASI */
membar();
}
 
extern void fast_instruction_access_mmu_miss(unative_t, istate_t *);
extern void fast_data_access_mmu_miss(tlb_tag_access_reg_t, istate_t *);
extern void fast_data_access_protection(tlb_tag_access_reg_t , istate_t *);
extern void fast_instruction_access_mmu_miss(unative_t unused, istate_t *istate);
extern void fast_data_access_mmu_miss(tlb_tag_access_reg_t tag, istate_t *istate);
extern void fast_data_access_protection(tlb_tag_access_reg_t tag , istate_t *istate);
 
extern void dtlb_insert_mapping(uintptr_t, uintptr_t, int, bool, bool);
extern void dtlb_insert_mapping(uintptr_t page, uintptr_t frame, int pagesize, bool locked, bool cacheable);
 
extern void dump_sfsr_and_sfar(void);
 
/branches/arm/kernel/arch/sparc64/include/mm/cache_spec.h
38,20 → 38,19
/*
* The following macros are valid for the following processors:
*
* UltraSPARC, UltraSPARC II, UltraSPARC IIi, UltraSPARC III,
* UltraSPARC III+, UltraSPARC IV, UltraSPARC IV+
* UltraSPARC, UltraSPARC II, UltraSPARC IIi
*
* Should we support other UltraSPARC processors, we need to make sure that
* the macros are defined correctly for them.
*/
#if defined (US)
 
#define DCACHE_SIZE (16 * 1024)
#elif defined (US3)
#define DCACHE_SIZE (64 * 1024)
#endif
#define DCACHE_LINE_SIZE 32
 
#define ICACHE_SIZE (16 * 1024)
#define ICACHE_WAYS 2
#define ICACHE_LINE_SIZE 32
 
#endif
 
/** @}
/branches/arm/kernel/arch/sparc64/include/mm/frame.h
59,13 → 59,8
union frame_address {
uintptr_t address;
struct {
#if defined (US)
unsigned : 23;
uint64_t pfn : 28; /**< Physical Frame Number. */
#elif defined (US3)
unsigned : 21;
uint64_t pfn : 30; /**< Physical Frame Number. */
#endif
unsigned offset : 13; /**< Offset. */
} __attribute__ ((packed));
};
73,8 → 68,6
typedef union frame_address frame_address_t;
 
extern uintptr_t last_frame;
extern uintptr_t end_of_identity;
 
extern void frame_arch_init(void);
#define physmem_print()
 
/branches/arm/kernel/arch/sparc64/include/mm/cache.h
38,6 → 38,15
#include <mm/page.h>
#include <mm/frame.h>
 
#define dcache_flush_page(p) \
dcache_flush_color(PAGE_COLOR((p)))
#define dcache_flush_frame(p, f) \
dcache_flush_tag(PAGE_COLOR((p)), ADDR2PFN((f)));
 
extern void dcache_flush(void);
extern void dcache_flush_color(int c);
extern void dcache_flush_tag(int c, pfn_t tag);
 
#endif
 
/** @}
/branches/arm/kernel/arch/sparc64/include/mm/tsb.h
107,62 → 107,13
asi_u64_write(ASI_DMMU, VA_DMMU_TSB_BASE, v);
}
 
#if defined (US3)
 
/** Write DTSB Primary Extension register.
*
* @param v New content of the DTSB Primary Extension register.
*/
static inline void dtsb_primary_extension_write(uint64_t v)
{
asi_u64_write(ASI_DMMU, VA_DMMU_PRIMARY_EXTENSION, v);
}
 
/** Write DTSB Secondary Extension register.
*
* @param v New content of the DTSB Secondary Extension register.
*/
static inline void dtsb_secondary_extension_write(uint64_t v)
{
asi_u64_write(ASI_DMMU, VA_DMMU_SECONDARY_EXTENSION, v);
}
 
/** Write DTSB Nucleus Extension register.
*
* @param v New content of the DTSB Nucleus Extension register.
*/
static inline void dtsb_nucleus_extension_write(uint64_t v)
{
asi_u64_write(ASI_DMMU, VA_DMMU_NUCLEUS_EXTENSION, v);
}
 
/** Write ITSB Primary Extension register.
*
* @param v New content of the ITSB Primary Extension register.
*/
static inline void itsb_primary_extension_write(uint64_t v)
{
asi_u64_write(ASI_IMMU, VA_IMMU_PRIMARY_EXTENSION, v);
}
 
/** Write ITSB Nucleus Extension register.
*
* @param v New content of the ITSB Nucleus Extension register.
*/
static inline void itsb_nucleus_extension_write(uint64_t v)
{
asi_u64_write(ASI_IMMU, VA_IMMU_NUCLEUS_EXTENSION, v);
}
 
#endif
 
/* Forward declarations. */
struct as;
struct pte;
 
extern void tsb_invalidate(struct as *as, uintptr_t page, size_t pages);
extern void itsb_pte_copy(struct pte *t, size_t index);
extern void dtsb_pte_copy(struct pte *t, size_t index, bool ro);
extern void tsb_invalidate(struct as *as, uintptr_t page, count_t pages);
extern void itsb_pte_copy(struct pte *t, index_t index);
extern void dtsb_pte_copy(struct pte *t, index_t index, bool ro);
 
#endif /* !def __ASM__ */
 
/branches/arm/kernel/arch/sparc64/include/mm/mmu.h
35,10 → 35,8
#ifndef KERN_sparc64_MMU_H_
#define KERN_sparc64_MMU_H_
 
#if defined(US)
/* LSU Control Register ASI. */
#define ASI_LSU_CONTROL_REG 0x45 /**< Load/Store Unit Control Register. */
#endif
 
/* I-MMU ASIs. */
#define ASI_IMMU 0x50
54,12 → 52,7
#define VA_IMMU_SFSR 0x18 /**< IMMU sync fault status register. */
#define VA_IMMU_TSB_BASE 0x28 /**< IMMU TSB base register. */
#define VA_IMMU_TAG_ACCESS 0x30 /**< IMMU TLB tag access register. */
#if defined (US3)
#define VA_IMMU_PRIMARY_EXTENSION 0x48 /**< IMMU TSB primary extension register */
#define VA_IMMU_NUCLEUS_EXTENSION 0x58 /**< IMMU TSB nucleus extension register */
#endif
 
 
/* D-MMU ASIs. */
#define ASI_DMMU 0x58
#define ASI_DMMU_TSB_8KB_PTR_REG 0x59
80,11 → 73,6
#define VA_DMMU_TAG_ACCESS 0x30 /**< DMMU TLB tag access register. */
#define VA_DMMU_VA_WATCHPOINT_REG 0x38 /**< DMMU VA data watchpoint register. */
#define VA_DMMU_PA_WATCHPOINT_REG 0x40 /**< DMMU PA data watchpoint register. */
#if defined (US3)
#define VA_DMMU_PRIMARY_EXTENSION 0x48 /**< DMMU TSB primary extension register */
#define VA_DMMU_SECONDARY_EXTENSION 0x50 /**< DMMU TSB secondary extension register */
#define VA_DMMU_NUCLEUS_EXTENSION 0x58 /**< DMMU TSB nucleus extension register */
#endif
 
#ifndef __ASM__
 
92,7 → 80,6
#include <arch/barrier.h>
#include <arch/types.h>
 
#if defined(US)
/** LSU Control Register. */
typedef union {
uint64_t value;
113,7 → 100,6
} __attribute__ ((packed));
} lsu_cr_reg_t;
#endif /* US */
 
#endif /* !def __ASM__ */
 
/branches/arm/kernel/arch/sparc64/include/mm/tte.h
50,7 → 50,6
 
#include <arch/types.h>
 
/* TTE tag's VA_tag field contains bits <63:VA_TAG_PAGE_SHIFT> of the VA */
#define VA_TAG_PAGE_SHIFT 22
 
/** Translation Table Entry - Tag. */
76,13 → 75,8
unsigned nfo : 1; /**< No-Fault-Only. */
unsigned ie : 1; /**< Invert Endianness. */
unsigned soft2 : 9; /**< Software defined field. */
#if defined (US)
unsigned diag : 9; /**< Diagnostic data. */
unsigned pfn : 28; /**< Physical Address bits, bits 40:13. */
#elif defined (US3)
unsigned : 7; /**< Reserved. */
unsigned pfn : 30; /**< Physical Address bits, bits 42:13 */
#endif
unsigned soft : 6; /**< Software defined field. */
unsigned l : 1; /**< Lock. */
unsigned cp : 1; /**< Cacheable in physically indexed cache. */
/branches/arm/kernel/arch/sparc64/include/barrier.h
82,8 → 82,6
asm volatile ("membar #Sync\n");
}
 
#if defined (US)
 
#define smc_coherence(a) \
{ \
write_barrier(); \
99,22 → 97,6
flush((void *)(a) + i); \
}
 
#elif defined (US3)
 
#define smc_coherence(a) \
{ \
write_barrier(); \
flush_pipeline(); \
}
 
#define smc_coherence_block(a, l) \
{ \
write_barrier(); \
flush_pipeline(); \
}
 
#endif /* defined(US3) */
 
#endif
 
/** @}
/branches/arm/kernel/arch/sparc64/include/memstr.h
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup sparc64
/** @addtogroup sparc64
* @{
*/
/** @file
/branches/arm/kernel/arch/sparc64/include/asm.h
42,56 → 42,7
#include <arch/register.h>
#include <config.h>
#include <arch/stack.h>
#include <arch/barrier.h>
 
static inline void pio_write_8(ioport8_t *port, uint8_t v)
{
*port = v;
memory_barrier();
}
 
static inline void pio_write_16(ioport16_t *port, uint16_t v)
{
*port = v;
memory_barrier();
}
 
static inline void pio_write_32(ioport32_t *port, uint32_t v)
{
*port = v;
memory_barrier();
}
 
static inline uint8_t pio_read_8(ioport8_t *port)
{
uint8_t rv;
 
rv = *port;
memory_barrier();
 
return rv;
}
 
static inline uint16_t pio_read_16(ioport16_t *port)
{
uint16_t rv;
 
rv = *port;
memory_barrier();
 
return rv;
}
 
static inline uint32_t pio_read_32(ioport32_t *port)
{
uint32_t rv;
 
rv = *port;
memory_barrier();
 
return rv;
}
 
/** Read Processor State register.
*
* @return Value of PSTATE register.
136,28 → 87,6
asm volatile ("wr %0, %1, %%tick_cmpr\n" : : "r" (v), "i" (0));
}
 
/** Read STICK_compare Register.
*
* @return Value of STICK_compare register.
*/
static inline uint64_t stick_compare_read(void)
{
uint64_t v;
asm volatile ("rd %%asr25, %0\n" : "=r" (v));
return v;
}
 
/** Write STICK_compare Register.
*
* @param v New value of STICK_comapre register.
*/
static inline void stick_compare_write(uint64_t v)
{
asm volatile ("wr %0, %1, %%asr25\n" : : "r" (v), "i" (0));
}
 
/** Read TICK Register.
*
* @return Value of TICK register.
429,6 → 358,15
asm volatile ("wrpr %g0, %g0, %tl\n");
}
 
/** Read UPA_CONFIG register.
*
* @return Value of the UPA_CONFIG register.
*/
static inline uint64_t upa_config_read(void)
{
return asi_u64_read(ASI_UPA_CONFIG, 0);
}
 
extern void cpu_halt(void);
extern void cpu_sleep(void);
extern void asm_delay_loop(const uint32_t usec);
/branches/arm/kernel/arch/sparc64/include/cpu.h
35,6 → 35,15
#ifndef KERN_sparc64_CPU_H_
#define KERN_sparc64_CPU_H_
 
#include <arch/types.h>
#include <typedefs.h>
#include <arch/register.h>
#include <arch/asm.h>
 
#ifdef CONFIG_SMP
#include <arch/mm/cache.h>
#endif
 
#define MANUF_FUJITSU 0x04
#define MANUF_ULTRASPARC 0x17 /**< UltraSPARC I, UltraSPARC II */
#define MANUF_SUN 0x3e
43,29 → 52,14
#define IMPL_ULTRASPARCII 0x11
#define IMPL_ULTRASPARCII_I 0x12
#define IMPL_ULTRASPARCII_E 0x13
#define IMPL_ULTRASPARCIII 0x14
#define IMPL_ULTRASPARCIII_PLUS 0x15
#define IMPL_ULTRASPARCIII_I 0x16
#define IMPL_ULTRASPARCIV 0x18
#define IMPL_ULTRASPARCIII 0x15
#define IMPL_ULTRASPARCIV_PLUS 0x19
 
#define IMPL_SPARC64V 0x5
 
#ifndef __ASM__
 
#include <arch/types.h>
#include <typedefs.h>
#include <arch/register.h>
#include <arch/regdef.h>
#include <arch/asm.h>
 
#ifdef CONFIG_SMP
#include <arch/mm/cache.h>
#endif
 
typedef struct {
uint32_t mid; /**< Processor ID as read from
UPA_CONFIG/FIREPLANE_CONFIG. */
UPA_CONFIG. */
ver_reg_t ver;
uint32_t clock_frequency; /**< Processor frequency in Hz. */
uint64_t next_tick_cmpr; /**< Next clock interrupt should be
72,28 → 66,8
generated when the TICK register
matches this value. */
} cpu_arch_t;
 
 
/**
* Reads the module ID (agent ID/CPUID) of the current CPU.
*/
static inline uint32_t read_mid(void)
{
uint64_t icbus_config = asi_u64_read(ASI_ICBUS_CONFIG, 0);
icbus_config = icbus_config >> ICBUS_CONFIG_MID_SHIFT;
#if defined (US)
return icbus_config & 0x1f;
#elif defined (US3)
if (((ver_reg_t) ver_read()).impl == IMPL_ULTRASPARCIII_I)
return icbus_config & 0x1f;
else
return icbus_config & 0x3ff;
#endif
}
 
#endif
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/sparc64/include/types.h
46,6 → 46,8
typedef unsigned long uint64_t;
 
typedef uint64_t size_t;
typedef uint64_t count_t;
typedef uint64_t index_t;
 
typedef uint64_t uintptr_t;
typedef uint64_t pfn_t;
55,12 → 57,11
typedef uint64_t unative_t;
typedef int64_t native_t;
 
typedef struct {
} fncptr_t;
 
/**< Formats for uintptr_t, size_t */
/**< Formats for uintptr_t, size_t, count_t and index_t */
#define PRIp "llx"
#define PRIs "llu"
#define PRIc "llu"
#define PRIi "llu"
 
/**< Formats for (u)int8_t, (u)int16_t, (u)int32_t, (u)int64_t and (u)native_t */
#define PRId8 "d"
/branches/arm/kernel/arch/sparc64/include/byteorder.h
0,0 → 1,43
/*
* Copyright (c) 2005 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup sparc64
* @{
*/
/** @file
*/
 
#ifndef KERN_sparc64_BYTEORDER_H_
#define KERN_sparc64_BYTEORDER_H_
 
#define ARCH_IS_BIG_ENDIAN
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/sparc64/include/drivers/sgcn.h
File deleted
/branches/arm/kernel/arch/sparc64/include/drivers/scr.h
42,14 → 42,12
SCR_UNKNOWN,
SCR_ATYFB,
SCR_FFB,
SCR_CGSIX,
SCR_XVR
SCR_CGSIX
} scr_type_t;
 
extern scr_type_t scr_type;
 
extern void scr_init(ofw_tree_node_t *node);
extern void scr_redraw(void);
 
#endif
 
/branches/arm/kernel/arch/sparc64/include/drivers/z8530.h
0,0 → 1,140
/*
* Copyright (c) 2006 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup sparc64
* @{
*/
/** @file
*/
 
#ifndef KERN_sparc64_Z8530_H_
#define KERN_sparc64_Z8530_H_
 
#include <arch/types.h>
#include <arch/drivers/kbd.h>
 
#define Z8530_CHAN_A 4
#define Z8530_CHAN_B 0
 
#define WR0 0
#define WR1 1
#define WR2 2
#define WR3 3
#define WR4 4
#define WR5 5
#define WR6 6
#define WR7 7
#define WR8 8
#define WR9 9
#define WR10 10
#define WR11 11
#define WR12 12
#define WR13 13
#define WR14 14
#define WR15 15
 
#define RR0 0
#define RR1 1
#define RR2 2
#define RR3 3
#define RR8 8
#define RR10 10
#define RR12 12
#define RR13 13
#define RR14 14
#define RR15 15
 
/* Write Register 0 */
#define WR0_TX_IP_RST (0x5<<3) /** Reset pending TX interrupt. */
#define WR0_ERR_RST (0x6<<3)
 
/* Write Register 1 */
#define WR1_RID (0x0<<3) /** Receive Interrupts Disabled. */
#define WR1_RIFCSC (0x1<<3) /** Receive Interrupt on First Character or Special Condition. */
#define WR1_IARCSC (0x2<<3) /** Interrupt on All Receive Characters or Special Conditions. */
#define WR1_RISC (0x3<<3) /** Receive Interrupt on Special Condition. */
#define WR1_PISC (0x1<<2) /** Parity Is Special Condition. */
 
/* Write Register 3 */
#define WR3_RX_ENABLE (0x1<<0) /** Rx Enable. */
#define WR3_RX8BITSCH (0x3<<6) /** 8-bits per character. */
 
/* Write Register 9 */
#define WR9_MIE (0x1<<3) /** Master Interrupt Enable. */
 
/* Read Register 0 */
#define RR0_RCA (0x1<<0) /** Receive Character Available. */
 
/** Structure representing the z8530 device. */
typedef struct {
devno_t devno;
volatile uint8_t *reg; /** Memory mapped registers of the z8530. */
} z8530_t;
 
static inline void z8530_write(z8530_t *dev, index_t chan, uint8_t reg, uint8_t val)
{
/*
* Registers 8-15 will automatically issue the Point High
* command as their bit 3 is 1.
*/
dev->reg[WR0+chan] = reg; /* select register */
dev->reg[WR0+chan] = val; /* write value */
}
 
static inline void z8530_write_a(z8530_t *dev, uint8_t reg, uint8_t val)
{
z8530_write(dev, Z8530_CHAN_A, reg, val);
}
static inline void z8530_write_b(z8530_t *dev, uint8_t reg, uint8_t val)
{
z8530_write(dev, Z8530_CHAN_B, reg, val);
}
 
static inline uint8_t z8530_read(z8530_t *dev, index_t chan, uint8_t reg)
{
/*
* Registers 8-15 will automatically issue the Point High
* command as their bit 3 is 1.
*/
dev->reg[WR0+chan] = reg; /* select register */
return dev->reg[WR0+chan];
}
 
static inline uint8_t z8530_read_a(z8530_t *dev, uint8_t reg)
{
return z8530_read(dev, Z8530_CHAN_A, reg);
}
static inline uint8_t z8530_read_b(z8530_t *dev, uint8_t reg)
{
return z8530_read(dev, Z8530_CHAN_B, reg);
}
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/sparc64/include/drivers/pci.h
51,8 → 51,8
};
 
struct pci_operations {
void (* enable_interrupt)(pci_t *, int);
void (* clear_interrupt)(pci_t *, int);
void (* enable_interrupt)(pci_t *pci, int inr);
void (* clear_interrupt)(pci_t *pci, int inr);
};
 
struct pci {
61,9 → 61,9
volatile uint64_t *reg; /**< Registers including interrupt registers. */
};
 
extern pci_t *pci_init(ofw_tree_node_t *);
extern void pci_enable_interrupt(pci_t *, int);
extern void pci_clear_interrupt(void *, int);
extern pci_t *pci_init(ofw_tree_node_t *node);
extern void pci_enable_interrupt(pci_t *pci, int inr);
extern void pci_clear_interrupt(pci_t *pci, int inr);
 
#endif
 
/branches/arm/kernel/arch/sparc64/include/drivers/fhc.h
44,9 → 44,9
 
extern fhc_t *central_fhc;
 
extern fhc_t *fhc_init(ofw_tree_node_t *);
extern void fhc_enable_interrupt(fhc_t *, int);
extern void fhc_clear_interrupt(void *, int);
extern fhc_t *fhc_init(ofw_tree_node_t *node);
extern void fhc_enable_interrupt(fhc_t *fhc, int inr);
extern void fhc_clear_interrupt(fhc_t *fhc, int inr);
 
#endif
 
/branches/arm/kernel/arch/sparc64/include/drivers/kbd.h
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup sparc64
/** @addtogroup sparc64
* @{
*/
/** @file
38,6 → 38,14
#include <arch/types.h>
#include <genarch/ofw/ofw_tree.h>
 
typedef enum {
KBD_UNKNOWN,
KBD_Z8530,
KBD_NS16550
} kbd_type_t;
 
extern kbd_type_t kbd_type;
 
extern void kbd_init(ofw_tree_node_t *node);
 
#endif
/branches/arm/kernel/arch/sparc64/include/drivers/ns16550.h
0,0 → 1,102
/*
* Copyright (c) 2006 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup sparc64
* @{
*/
/** @file
*/
 
#ifndef KERN_sparc64_NS16550_H_
#define KERN_sparc64_NS16550_H_
 
#include <arch/types.h>
#include <arch/drivers/kbd.h>
 
/* NS16550 registers */
#define RBR_REG 0 /** Receiver Buffer Register. */
#define IER_REG 1 /** Interrupt Enable Register. */
#define IIR_REG 2 /** Interrupt Ident Register (read). */
#define FCR_REG 2 /** FIFO control register (write). */
#define LCR_REG 3 /** Line Control register. */
#define LSR_REG 5 /** Line Status Register. */
 
#define IER_ERBFI 0x01 /** Enable Receive Buffer Full Interrupt. */
 
#define LCR_DLAB 0x80 /** Divisor Latch Access bit. */
 
/** Structure representing the ns16550 device. */
typedef struct {
devno_t devno;
volatile uint8_t *reg; /** Memory mapped registers of the ns16550. */
} ns16550_t;
 
static inline uint8_t ns16550_rbr_read(ns16550_t *dev)
{
return dev->reg[RBR_REG];
}
 
static inline uint8_t ns16550_ier_read(ns16550_t *dev)
{
return dev->reg[IER_REG];
}
 
static inline void ns16550_ier_write(ns16550_t *dev, uint8_t v)
{
dev->reg[IER_REG] = v;
}
 
static inline uint8_t ns16550_iir_read(ns16550_t *dev)
{
return dev->reg[IIR_REG];
}
 
static inline void ns16550_fcr_write(ns16550_t *dev, uint8_t v)
{
dev->reg[FCR_REG] = v;
}
 
static inline uint8_t ns16550_lcr_read(ns16550_t *dev)
{
return dev->reg[LCR_REG];
}
 
static inline void ns16550_lcr_write(ns16550_t *dev, uint8_t v)
{
dev->reg[LCR_REG] = v;
}
 
static inline uint8_t ns16550_lsr_read(ns16550_t *dev)
{
return dev->reg[LSR_REG];
}
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/sparc64/include/boot/boot.h
48,12 → 48,9
#define TASKMAP_MAX_RECORDS 32
#define MEMMAP_MAX_RECORDS 32
 
#define BOOTINFO_TASK_NAME_BUFLEN 32
 
typedef struct {
void * addr;
uint32_t size;
char name[BOOTINFO_TASK_NAME_BUFLEN];
} utask_t;
 
typedef struct {
/branches/arm/kernel/arch/sparc64/include/fpu_context.h
37,6 → 37,7
 
#include <arch/types.h>
 
#define ARCH_HAS_FPU
#define FPU_CONTEXT_ALIGN 8
 
typedef struct {
/branches/arm/kernel/arch/sparc64/include/context.h
39,7 → 39,7
#include <arch/types.h>
#include <align.h>
 
#define SP_DELTA (STACK_WINDOW_SAVE_AREA_SIZE + STACK_ARG_SAVE_AREA_SIZE)
#define SP_DELTA STACK_WINDOW_SAVE_AREA_SIZE
 
#ifdef context_set
#undef context_set
/branches/arm/kernel/arch/sparc64/include/regdef.h
55,11 → 55,8
#define WSTATE_NORMAL(n) (n)
#define WSTATE_OTHER(n) ((n) << 3)
 
/*
* The following definitions concern the UPA_CONFIG register on US and the
* FIREPLANE_CONFIG register on US3.
*/
#define ICBUS_CONFIG_MID_SHIFT 17
#define UPA_CONFIG_MID_SHIFT 17
#define UPA_CONFIG_MID_MASK 0x1f
 
#endif
 
/branches/arm/kernel/arch/sparc64/include/arch.h
41,16 → 41,10
#define ASI_AIUS 0x11 /** Access to secondary context with user privileges. */
#define ASI_NUCLEUS_QUAD_LDD 0x24 /** ASI for 16-byte atomic loads. */
#define ASI_DCACHE_TAG 0x47 /** ASI D-Cache Tag. */
#define ASI_ICBUS_CONFIG 0x4a /** ASI of the UPA_CONFIG/FIREPLANE_CONFIG register. */
#define ASI_UPA_CONFIG 0x4a /** ASI of the UPA_CONFIG register. */
 
#define NWINDOWS 8 /** Number of register window sets. */
 
#ifndef __ASM__
 
extern void arch_pre_main(void);
 
#endif /* __ASM__ */
 
#endif
 
/** @}
/branches/arm/kernel/arch/sparc64/include/register.h
117,6 → 117,23
};
typedef union fprs_reg fprs_reg_t;
 
/** UPA_CONFIG register.
*
* Note that format of this register differs significantly from
* processor version to version. The format defined here
* is the common subset for all supported processor versions.
*/
union upa_config {
uint64_t value;
struct {
uint64_t : 34;
unsigned pcon : 8; /**< Processor configuration. */
unsigned mid : 5; /**< Module (processor) ID register. */
unsigned pcap : 17; /**< Processor capabilities. */
} __attribute__ ((packed));
};
typedef union upa_config upa_config_t;
 
#endif
 
/** @}
/branches/arm/kernel/arch/sparc64/src/trap/trap_table.S
341,7 → 341,7
.org trap_table + (TT_TRAP_INSTRUCTION_0+\cur)*ENTRY_SIZE
.global trap_instruction_\cur\()_tl0
trap_instruction_\cur\()_tl0:
ba %xcc, trap_instruction_handler
ba trap_instruction_handler
mov \cur, %g2
.endr
 
478,9 → 478,9
*/
rdpr %tl, %g3
cmp %g3, 1
be %xcc, 1f
be 1f
nop
0: ba %xcc, 0b ! this is for debugging, if we ever get here
0: ba 0b ! this is for debugging, if we ever get here
nop ! it will be easy to find
 
1:
499,7 → 499,7
wrpr %g4, 0, %cwp ! resynchronize CWP
 
andcc %g3, TSTATE_PRIV_BIT, %g0 ! if this trap came from the privileged mode...
bnz %xcc, 0f ! ...skip setting of kernel stack and primary context
bnz 0f ! ...skip setting of kernel stack and primary context
nop
.endif
545,7 → 545,7
flush %l0
 
.if NOT(\is_syscall)
ba %xcc, 1f
ba 1f
nop
0:
save %sp, -PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE, %sp
606,10 → 606,10
add %sp, PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE + STACK_BIAS + SAVED_TNPC, %o1
.else
/*
* Call the higher-level syscall handler and enable interrupts.
* Call the higher-level syscall handler.
*/
call syscall_handler
wrpr %g0, PSTATE_PRIV_BIT | PSTATE_PEF_BIT | PSTATE_IE_BIT, %pstate
nop
mov %o0, %i0 ! copy the value returned by the syscall
.endif
 
672,7 → 672,7
and %l0, NWINDOWS - 1, %l0 ! %l0 mod NWINDOWS
rdpr %cwp, %l1
cmp %l0, %l1
bz %xcc, 0f ! CWP is ok
bz 0f ! CWP is ok
nop
 
/*
712,7 → 712,7
.if NOT(\is_syscall)
rdpr %tstate, %g1
andcc %g1, TSTATE_PRIV_BIT, %g0 ! if we are not returning to userspace...,
bnz %xcc, 1f ! ...skip restoring userspace windows
bnz 1f ! ...skip restoring userspace windows
nop
.endif
 
748,8 → 748,9
* Fill all windows stored in the buffer.
*/
clr %g4
0: andcc %g7, UWB_ALIGNMENT - 1, %g0 ! alignment check
bz %xcc, 0f ! %g7 is UWB_ALIGNMENT-aligned, no more windows to refill
set PAGE_SIZE - 1, %g5
0: andcc %g7, %g5, %g0 ! PAGE_SIZE alignment check
bz 0f ! %g7 is page-aligned, no more windows to refill
nop
 
add %g7, -STACK_WINDOW_SAVE_AREA_SIZE, %g7
774,7 → 775,7
and %g3, NWINDOWS - 1, %g3
wrpr %g3, 0, %cwp ! switch to the preceeding window
 
ba %xcc, 0b
ba 0b
inc %g4
 
0:
785,7 → 786,7
wrpr %g1, 0, %cwp
add %g4, %g2, %g2
cmp %g2, NWINDOWS - 2
bg %xcc, 2f ! fix the CANRESTORE=NWINDOWS-1 anomaly
bg 2f ! fix the CANRESTORE=NWINDOWS-1 anomaly
mov NWINDOWS - 2, %g1 ! use dealy slot for both cases
sub %g1, %g2, %g1
/branches/arm/kernel/arch/sparc64/src/trap/exception.c
40,67 → 40,62
#include <arch/asm.h>
#include <arch/register.h>
#include <debug.h>
#include <symtab.h>
#include <print.h>
#include <symtab.h>
 
void dump_istate(istate_t *istate)
{
char *tpcs, *tnpcs;
 
tpcs = symtab_fmt_name_lookup(istate->tpc);
tnpcs = symtab_fmt_name_lookup(istate->tnpc);
 
printf("TSTATE=%#" PRIx64 "\n", istate->tstate);
printf("TPC=%#" PRIx64 " (%s)\n", istate->tpc, tpcs);
printf("TNPC=%#" PRIx64 " (%s)\n", istate->tnpc, tnpcs);
printf("TPC=%#" PRIx64 " (%s)\n", istate->tpc, get_symtab_entry(istate->tpc));
printf("TNPC=%#" PRIx64 " (%s)\n", istate->tnpc, get_symtab_entry(istate->tnpc));
}
 
/** Handle instruction_access_exception. (0x8) */
void instruction_access_exception(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "%s.", __func__);
fault_if_from_uspace(istate, "%s\n", __func__);
dump_istate(istate);
panic("%s.", __func__);
panic("%s\n", __func__);
}
 
/** Handle instruction_access_error. (0xa) */
void instruction_access_error(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "%s.", __func__);
fault_if_from_uspace(istate, "%s\n", __func__);
dump_istate(istate);
panic("%s.", __func__);
panic("%s\n", __func__);
}
 
/** Handle illegal_instruction. (0x10) */
void illegal_instruction(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "%s.", __func__);
fault_if_from_uspace(istate, "%s\n", __func__);
dump_istate(istate);
panic("%s.", __func__);
panic("%s\n", __func__);
}
 
/** Handle privileged_opcode. (0x11) */
void privileged_opcode(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "%s.", __func__);
fault_if_from_uspace(istate, "%s\n", __func__);
dump_istate(istate);
panic("%s.", __func__);
panic("%s\n", __func__);
}
 
/** Handle unimplemented_LDD. (0x12) */
void unimplemented_LDD(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "%s.", __func__);
fault_if_from_uspace(istate, "%s\n", __func__);
dump_istate(istate);
panic("%s.", __func__);
panic("%s\n", __func__);
}
 
/** Handle unimplemented_STD. (0x13) */
void unimplemented_STD(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "%s.", __func__);
fault_if_from_uspace(istate, "%s\n", __func__);
dump_istate(istate);
panic("%s.", __func__);
panic("%s\n", __func__);
}
 
/** Handle fp_disabled. (0x20) */
118,9 → 113,9
#ifdef CONFIG_FPU_LAZY
scheduler_fpu_lazy_request();
#else
fault_if_from_uspace(istate, "%s.", __func__);
fault_if_from_uspace(istate, "%s\n", __func__);
dump_istate(istate);
panic("%s.", __func__);
panic("%s\n", __func__);
#endif
}
 
127,98 → 122,98
/** Handle fp_exception_ieee_754. (0x21) */
void fp_exception_ieee_754(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "%s.", __func__);
fault_if_from_uspace(istate, "%s\n", __func__);
dump_istate(istate);
panic("%s.", __func__);
panic("%s\n", __func__);
}
 
/** Handle fp_exception_other. (0x22) */
void fp_exception_other(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "%s.", __func__);
fault_if_from_uspace(istate, "%s\n", __func__);
dump_istate(istate);
panic("%s.", __func__);
panic("%s\n", __func__);
}
 
/** Handle tag_overflow. (0x23) */
void tag_overflow(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "%s.", __func__);
fault_if_from_uspace(istate, "%s\n", __func__);
dump_istate(istate);
panic("%s.", __func__);
panic("%s\n", __func__);
}
 
/** Handle division_by_zero. (0x28) */
void division_by_zero(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "%s.", __func__);
fault_if_from_uspace(istate, "%s\n", __func__);
dump_istate(istate);
panic("%s.", __func__);
panic("%s\n", __func__);
}
 
/** Handle data_access_exception. (0x30) */
void data_access_exception(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "%s.", __func__);
fault_if_from_uspace(istate, "%s\n", __func__);
dump_istate(istate);
dump_sfsr_and_sfar();
panic("%s.", __func__);
panic("%s\n", __func__);
}
 
/** Handle data_access_error. (0x32) */
void data_access_error(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "%s.", __func__);
fault_if_from_uspace(istate, "%s\n", __func__);
dump_istate(istate);
panic("%s.", __func__);
panic("%s\n", __func__);
}
 
/** Handle mem_address_not_aligned. (0x34) */
void mem_address_not_aligned(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "%s.", __func__);
fault_if_from_uspace(istate, "%s\n", __func__);
dump_istate(istate);
panic("%s.", __func__);
panic("%s\n", __func__);
}
 
/** Handle LDDF_mem_address_not_aligned. (0x35) */
void LDDF_mem_address_not_aligned(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "%s.", __func__);
fault_if_from_uspace(istate, "%s\n", __func__);
dump_istate(istate);
panic("%s.", __func__);
panic("%s\n", __func__);
}
 
/** Handle STDF_mem_address_not_aligned. (0x36) */
void STDF_mem_address_not_aligned(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "%s.", __func__);
fault_if_from_uspace(istate, "%s\n", __func__);
dump_istate(istate);
panic("%s.", __func__);
panic("%s\n", __func__);
}
 
/** Handle privileged_action. (0x37) */
void privileged_action(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "%s.", __func__);
fault_if_from_uspace(istate, "%s\n", __func__);
dump_istate(istate);
panic("%s.", __func__);
panic("%s\n", __func__);
}
 
/** Handle LDQF_mem_address_not_aligned. (0x38) */
void LDQF_mem_address_not_aligned(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "%s.", __func__);
fault_if_from_uspace(istate, "%s\n", __func__);
dump_istate(istate);
panic("%s.", __func__);
panic("%s\n", __func__);
}
 
/** Handle STQF_mem_address_not_aligned. (0x39) */
void STQF_mem_address_not_aligned(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "%s.", __func__);
fault_if_from_uspace(istate, "%s\n", __func__);
dump_istate(istate);
panic("%s.", __func__);
panic("%s\n", __func__);
}
 
/** @}
/branches/arm/kernel/arch/sparc64/src/trap/interrupt.c
67,19 → 67,11
*/
void interrupt(int n, istate_t *istate)
{
uint64_t status;
uint64_t intrcv;
uint64_t data0;
status = asi_u64_read(ASI_INTR_DISPATCH_STATUS, 0);
if (status & (!INTR_DISPATCH_STATUS_BUSY))
panic("Interrupt Dispatch Status busy bit not set.");
 
intrcv = asi_u64_read(ASI_INTR_RECEIVE, 0);
#if defined (US)
data0 = asi_u64_read(ASI_INTR_R, ASI_UDB_INTR_R_DATA_0);
#elif defined (US3)
data0 = asi_u64_read(ASI_INTR_R, VA_INTR_R_DATA_0);
#endif
data0 = asi_u64_read(ASI_UDB_INTR_R, ASI_UDB_INTR_R_DATA_0);
 
irq_t *irq = irq_dispatch_and_lock(data0);
if (irq) {
86,13 → 78,7
/*
* The IRQ handler was found.
*/
irq->handler(irq);
/*
* See if there is a clear-interrupt-routine and call it.
*/
if (irq->cir) {
irq->cir(irq->cir_arg, irq->inr);
}
irq->handler(irq, irq->arg);
spinlock_unlock(&irq->lock);
} else if (data0 > config.base) {
/*
112,7 → 98,7
*/
#ifdef CONFIG_DEBUG
printf("cpu%u: spurious interrupt (intrcv=%#" PRIx64
", data0=%#" PRIx64 ")\n", CPU->id, intrcv, data0);
", data0=%#" PRIx64 ")\n", CPU->id, intrcv, data0);
#endif
}
 
/branches/arm/kernel/arch/sparc64/src/asm.S
225,15 → 225,10
 
.global memsetb
memsetb:
ba %xcc, _memsetb
b _memsetb
nop
 
.global memsetw
memsetw:
ba %xcc, _memsetw
nop
 
 
.macro WRITE_ALTERNATE_REGISTER reg, bit
rdpr %pstate, %g1 ! save PSTATE.PEF
wrpr %g0, (\bit | PSTATE_PRIV_BIT), %pstate
277,7 → 272,7
*/
.global switch_to_userspace
switch_to_userspace:
save %o1, -(STACK_WINDOW_SAVE_AREA_SIZE + STACK_ARG_SAVE_AREA_SIZE), %sp
save %o1, -STACK_WINDOW_SAVE_AREA_SIZE, %sp
flushw
wrpr %g0, 0, %cleanwin ! avoid information leak
 
/branches/arm/kernel/arch/sparc64/src/mm/cache.S
47,3 → 47,45
retl
! beware SF Erratum #51, do not put the MEMBAR here
nop
 
/** Flush only D-cache lines of one virtual color.
*
* @param o0 Virtual color to be flushed.
*/
.global dcache_flush_color
dcache_flush_color:
mov (DCACHE_SIZE / DCACHE_LINE_SIZE) / 2, %g1
set DCACHE_SIZE / 2, %g2
sllx %g2, %o0, %g2
sub %g2, DCACHE_LINE_SIZE, %g2
0: stxa %g0, [%g2] ASI_DCACHE_TAG
membar #Sync
subcc %g1, 1, %g1
bnz,pt %xcc, 0b
sub %g2, DCACHE_LINE_SIZE, %g2
retl
nop
 
/** Flush only D-cache lines of one virtual color and one tag.
*
* @param o0 Virtual color to lookup the tag.
* @param o1 Tag of the cachelines to be flushed.
*/
.global dcache_flush_tag
dcache_flush_tag:
mov (DCACHE_SIZE / DCACHE_LINE_SIZE) / 2, %g1
set DCACHE_SIZE / 2, %g2
sllx %g2, %o0, %g2
sub %g2, DCACHE_LINE_SIZE, %g2
0: ldxa [%g2] ASI_DCACHE_TAG, %g3
srlx %g3, DCACHE_TAG_SHIFT, %g3
cmp %g3, %o1
bnz 1f
nop
stxa %g0, [%g2] ASI_DCACHE_TAG
membar #Sync
1: subcc %g1, 1, %g1
bnz,pt %xcc, 0b
sub %g2, DCACHE_LINE_SIZE, %g2
retl
nop
/branches/arm/kernel/arch/sparc64/src/mm/as.c
89,7 → 89,7
* The count must be calculated with respect to the emualted 16K page
* size.
*/
size_t cnt = ((ITSB_ENTRY_COUNT + DTSB_ENTRY_COUNT) *
count_t cnt = ((ITSB_ENTRY_COUNT + DTSB_ENTRY_COUNT) *
sizeof(tsb_entry_t)) >> FRAME_WIDTH;
frame_free(KA2PA((uintptr_t) as->arch.itsb));
return cnt;
101,7 → 101,7
int as_create_arch(as_t *as, int flags)
{
#ifdef CONFIG_TSB
tsb_invalidate(as, 0, (size_t) -1);
tsb_invalidate(as, 0, (count_t) -1);
#endif
return 0;
}
164,25 → 164,7
itsb_base_write(tsb_base.value);
tsb_base.base = ((uintptr_t) as->arch.dtsb) >> MMU_PAGE_WIDTH;
dtsb_base_write(tsb_base.value);
#if defined (US3)
/*
* Clear the extension registers.
* In HelenOS, primary and secondary context registers contain
* equal values and kernel misses (context 0, ie. the nucleus context)
* are excluded from the TSB miss handler, so it makes no sense
* to have separate TSBs for primary, secondary and nucleus contexts.
* Clearing the extension registers will ensure that the value of the
* TSB Base register will be used as an address of TSB, making the code
* compatible with the US port.
*/
itsb_primary_extension_write(0);
itsb_nucleus_extension_write(0);
dtsb_primary_extension_write(0);
dtsb_secondary_extension_write(0);
dtsb_nucleus_extension_write(0);
#endif
#endif
}
 
/** Perform sparc64-specific tasks when an address space is removed from the
/branches/arm/kernel/arch/sparc64/src/mm/tlb.c
54,13 → 54,14
#include <arch/mm/tsb.h>
#endif
 
static void dtlb_pte_copy(pte_t *, size_t, bool);
static void itlb_pte_copy(pte_t *, size_t);
static void do_fast_instruction_access_mmu_miss_fault(istate_t *, const char *);
static void do_fast_data_access_mmu_miss_fault(istate_t *, tlb_tag_access_reg_t,
const char *);
static void do_fast_data_access_protection_fault(istate_t *,
tlb_tag_access_reg_t, const char *);
static void dtlb_pte_copy(pte_t *t, index_t index, bool ro);
static void itlb_pte_copy(pte_t *t, index_t index);
static void do_fast_instruction_access_mmu_miss_fault(istate_t *istate,
const char *str);
static void do_fast_data_access_mmu_miss_fault(istate_t *istate,
tlb_tag_access_reg_t tag, const char *str);
static void do_fast_data_access_protection_fault(istate_t *istate,
tlb_tag_access_reg_t tag, const char *str);
 
char *context_encoding[] = {
"Primary",
85,11 → 86,11
 
/** Insert privileged mapping into DMMU TLB.
*
* @param page Virtual page address.
* @param frame Physical frame address.
* @param pagesize Page size.
* @param locked True for permanent mappings, false otherwise.
* @param cacheable True if the mapping is cacheable, false otherwise.
* @param page Virtual page address.
* @param frame Physical frame address.
* @param pagesize Page size.
* @param locked True for permanent mappings, false otherwise.
* @param cacheable True if the mapping is cacheable, false otherwise.
*/
void dtlb_insert_mapping(uintptr_t page, uintptr_t frame, int pagesize,
bool locked, bool cacheable)
102,7 → 103,7
pg.address = page;
fr.address = frame;
 
tag.context = ASID_KERNEL;
tag.value = ASID_KERNEL;
tag.vpn = pg.vpn;
 
dtlb_tag_access_write(tag.value);
125,12 → 126,12
 
/** Copy PTE to TLB.
*
* @param t Page Table Entry to be copied.
* @param index Zero if lower 8K-subpage, one if higher 8K-subpage.
* @param ro If true, the entry will be created read-only, regardless
* of its w field.
* @param t Page Table Entry to be copied.
* @param index Zero if lower 8K-subpage, one if higher 8K-subpage.
* @param ro If true, the entry will be created read-only, regardless of its
* w field.
*/
void dtlb_pte_copy(pte_t *t, size_t index, bool ro)
void dtlb_pte_copy(pte_t *t, index_t index, bool ro)
{
tlb_tag_access_reg_t tag;
tlb_data_t data;
164,10 → 165,10
 
/** Copy PTE to ITLB.
*
* @param t Page Table Entry to be copied.
* @param index Zero if lower 8K-subpage, one if higher 8K-subpage.
* @param t Page Table Entry to be copied.
* @param index Zero if lower 8K-subpage, one if higher 8K-subpage.
*/
void itlb_pte_copy(pte_t *t, size_t index)
void itlb_pte_copy(pte_t *t, index_t index)
{
tlb_tag_access_reg_t tag;
tlb_data_t data;
199,12 → 200,12
/** ITLB miss handler. */
void fast_instruction_access_mmu_miss(unative_t unused, istate_t *istate)
{
uintptr_t page_16k = ALIGN_DOWN(istate->tpc, PAGE_SIZE);
size_t index = (istate->tpc >> MMU_PAGE_WIDTH) % MMU_PAGES_PER_PAGE;
uintptr_t va = ALIGN_DOWN(istate->tpc, PAGE_SIZE);
index_t index = (istate->tpc >> MMU_PAGE_WIDTH) % MMU_PAGES_PER_PAGE;
pte_t *t;
 
page_table_lock(AS, true);
t = page_mapping_find(AS, page_16k);
t = page_mapping_find(AS, va);
if (t && PTE_EXECUTABLE(t)) {
/*
* The mapping was found in the software page hash table.
222,8 → 223,7
* handler.
*/
page_table_unlock(AS, true);
if (as_page_fault(page_16k, PF_ACCESS_EXEC, istate) ==
AS_PF_FAULT) {
if (as_page_fault(va, PF_ACCESS_EXEC, istate) == AS_PF_FAULT) {
do_fast_instruction_access_mmu_miss_fault(istate,
__func__);
}
235,21 → 235,18
* Note that some faults (e.g. kernel faults) were already resolved by the
* low-level, assembly language part of the fast_data_access_mmu_miss handler.
*
* @param tag Content of the TLB Tag Access register as it existed
* when the trap happened. This is to prevent confusion
* created by clobbered Tag Access register during a nested
* DTLB miss.
* @param istate Interrupted state saved on the stack.
* @param tag Content of the TLB Tag Access register as it existed when the
* trap happened. This is to prevent confusion created by clobbered
* Tag Access register during a nested DTLB miss.
* @param istate Interrupted state saved on the stack.
*/
void fast_data_access_mmu_miss(tlb_tag_access_reg_t tag, istate_t *istate)
{
uintptr_t page_8k;
uintptr_t page_16k;
size_t index;
uintptr_t va;
index_t index;
pte_t *t;
 
page_8k = (uint64_t) tag.vpn << MMU_PAGE_WIDTH;
page_16k = ALIGN_DOWN(page_8k, PAGE_SIZE);
va = ALIGN_DOWN((uint64_t) tag.vpn << MMU_PAGE_WIDTH, PAGE_SIZE);
index = tag.vpn % MMU_PAGES_PER_PAGE;
 
if (tag.context == ASID_KERNEL) {
257,15 → 254,6
/* NULL access in kernel */
do_fast_data_access_mmu_miss_fault(istate, tag,
__func__);
} else if (page_8k >= end_of_identity) {
/*
* The kernel is accessing the I/O space.
* We still do identity mapping for I/O,
* but without caching.
*/
dtlb_insert_mapping(page_8k, KA2PA(page_8k),
PAGESIZE_8K, false, false);
return;
}
do_fast_data_access_mmu_miss_fault(istate, tag, "Unexpected "
"kernel page fault.");
272,7 → 260,7
}
 
page_table_lock(AS, true);
t = page_mapping_find(AS, page_16k);
t = page_mapping_find(AS, va);
if (t) {
/*
* The mapping was found in the software page hash table.
290,8 → 278,7
* handler.
*/
page_table_unlock(AS, true);
if (as_page_fault(page_16k, PF_ACCESS_READ, istate) ==
AS_PF_FAULT) {
if (as_page_fault(va, PF_ACCESS_READ, istate) == AS_PF_FAULT) {
do_fast_data_access_mmu_miss_fault(istate, tag,
__func__);
}
300,23 → 287,22
 
/** DTLB protection fault handler.
*
* @param tag Content of the TLB Tag Access register as it existed
* when the trap happened. This is to prevent confusion
* created by clobbered Tag Access register during a nested
* DTLB miss.
* @param istate Interrupted state saved on the stack.
* @param tag Content of the TLB Tag Access register as it existed when the
* trap happened. This is to prevent confusion created by clobbered
* Tag Access register during a nested DTLB miss.
* @param istate Interrupted state saved on the stack.
*/
void fast_data_access_protection(tlb_tag_access_reg_t tag, istate_t *istate)
{
uintptr_t page_16k;
size_t index;
uintptr_t va;
index_t index;
pte_t *t;
 
page_16k = ALIGN_DOWN((uint64_t) tag.vpn << MMU_PAGE_WIDTH, PAGE_SIZE);
va = ALIGN_DOWN((uint64_t) tag.vpn << MMU_PAGE_WIDTH, PAGE_SIZE);
index = tag.vpn % MMU_PAGES_PER_PAGE; /* 16K-page emulation */
 
page_table_lock(AS, true);
t = page_mapping_find(AS, page_16k);
t = page_mapping_find(AS, va);
if (t && PTE_WRITABLE(t)) {
/*
* The mapping was found in the software page hash table and is
326,7 → 312,7
t->a = true;
t->d = true;
dtlb_demap(TLB_DEMAP_PAGE, TLB_DEMAP_SECONDARY,
page_16k + index * MMU_PAGE_SIZE);
va + index * MMU_PAGE_SIZE);
dtlb_pte_copy(t, index, false);
#ifdef CONFIG_TSB
dtsb_pte_copy(t, index, false);
338,8 → 324,7
* handler.
*/
page_table_unlock(AS, true);
if (as_page_fault(page_16k, PF_ACCESS_WRITE, istate) ==
AS_PF_FAULT) {
if (as_page_fault(va, PF_ACCESS_WRITE, istate) == AS_PF_FAULT) {
do_fast_data_access_protection_fault(istate, tag,
__func__);
}
346,26 → 331,6
}
}
 
/** Print TLB entry (for debugging purposes).
*
* The diag field has been left out in order to make this function more generic
* (there is no diag field in US3 architeture).
*
* @param i TLB entry number
* @param t TLB entry tag
* @param d TLB entry data
*/
static void print_tlb_entry(int i, tlb_tag_read_reg_t t, tlb_data_t d)
{
printf("%d: vpn=%#llx, context=%d, v=%d, size=%d, nfo=%d, "
"ie=%d, soft2=%#x, pfn=%#x, soft=%#x, l=%d, "
"cp=%d, cv=%d, e=%d, p=%d, w=%d, g=%d\n", i, t.vpn,
t.context, d.v, d.size, d.nfo, d.ie, d.soft2,
d.pfn, d.soft, d.l, d.cp, d.cv, d.e, d.p, d.w, d.g);
}
 
#if defined (US)
 
/** Print contents of both TLBs. */
void tlb_print(void)
{
377,7 → 342,12
for (i = 0; i < ITLB_ENTRY_COUNT; i++) {
d.value = itlb_data_access_read(i);
t.value = itlb_tag_read_read(i);
print_tlb_entry(i, t, d);
 
printf("%d: vpn=%#llx, context=%d, v=%d, size=%d, nfo=%d, "
"ie=%d, soft2=%#x, diag=%#x, pfn=%#x, soft=%#x, l=%d, "
"cp=%d, cv=%d, e=%d, p=%d, w=%d, g=%d\n", i, t.vpn,
t.context, d.v, d.size, d.nfo, d.ie, d.soft2, d.diag,
d.pfn, d.soft, d.l, d.cp, d.cv, d.e, d.p, d.w, d.g);
}
 
printf("D-TLB contents:\n");
384,63 → 354,22
for (i = 0; i < DTLB_ENTRY_COUNT; i++) {
d.value = dtlb_data_access_read(i);
t.value = dtlb_tag_read_read(i);
print_tlb_entry(i, t, d);
printf("%d: vpn=%#llx, context=%d, v=%d, size=%d, nfo=%d, "
"ie=%d, soft2=%#x, diag=%#x, pfn=%#x, soft=%#x, l=%d, "
"cp=%d, cv=%d, e=%d, p=%d, w=%d, g=%d\n", i, t.vpn,
t.context, d.v, d.size, d.nfo, d.ie, d.soft2, d.diag,
d.pfn, d.soft, d.l, d.cp, d.cv, d.e, d.p, d.w, d.g);
}
}
 
#elif defined (US3)
 
/** Print contents of all TLBs. */
void tlb_print(void)
{
int i;
tlb_data_t d;
tlb_tag_read_reg_t t;
printf("TLB_ISMALL contents:\n");
for (i = 0; i < tlb_ismall_size(); i++) {
d.value = dtlb_data_access_read(TLB_ISMALL, i);
t.value = dtlb_tag_read_read(TLB_ISMALL, i);
print_tlb_entry(i, t, d);
}
printf("TLB_IBIG contents:\n");
for (i = 0; i < tlb_ibig_size(); i++) {
d.value = dtlb_data_access_read(TLB_IBIG, i);
t.value = dtlb_tag_read_read(TLB_IBIG, i);
print_tlb_entry(i, t, d);
}
printf("TLB_DSMALL contents:\n");
for (i = 0; i < tlb_dsmall_size(); i++) {
d.value = dtlb_data_access_read(TLB_DSMALL, i);
t.value = dtlb_tag_read_read(TLB_DSMALL, i);
print_tlb_entry(i, t, d);
}
printf("TLB_DBIG_1 contents:\n");
for (i = 0; i < tlb_dbig_size(); i++) {
d.value = dtlb_data_access_read(TLB_DBIG_0, i);
t.value = dtlb_tag_read_read(TLB_DBIG_0, i);
print_tlb_entry(i, t, d);
}
printf("TLB_DBIG_2 contents:\n");
for (i = 0; i < tlb_dbig_size(); i++) {
d.value = dtlb_data_access_read(TLB_DBIG_1, i);
t.value = dtlb_tag_read_read(TLB_DBIG_1, i);
print_tlb_entry(i, t, d);
}
}
 
#endif
 
void do_fast_instruction_access_mmu_miss_fault(istate_t *istate,
const char *str)
{
fault_if_from_uspace(istate, "%s.", str);
fault_if_from_uspace(istate, "%s\n", str);
dump_istate(istate);
panic("%s.", str);
panic("%s\n", str);
}
 
void do_fast_data_access_mmu_miss_fault(istate_t *istate,
450,12 → 379,12
 
va = tag.vpn << MMU_PAGE_WIDTH;
if (tag.context) {
fault_if_from_uspace(istate, "%s, Page=%p (ASID=%d).", str, va,
fault_if_from_uspace(istate, "%s, Page=%p (ASID=%d)\n", str, va,
tag.context);
}
dump_istate(istate);
printf("Faulting page: %p, ASID=%d.\n", va, tag.context);
panic("%s.", str);
printf("Faulting page: %p, ASID=%d\n", va, tag.context);
panic("%s\n", str);
}
 
void do_fast_data_access_protection_fault(istate_t *istate,
466,12 → 395,12
va = tag.vpn << MMU_PAGE_WIDTH;
 
if (tag.context) {
fault_if_from_uspace(istate, "%s, Page=%p (ASID=%d).", str, va,
fault_if_from_uspace(istate, "%s, Page=%p (ASID=%d)\n", str, va,
tag.context);
}
printf("Faulting page: %p, ASID=%d\n", va, tag.context);
dump_istate(istate);
panic("%s.", str);
panic("%s\n", str);
}
 
void dump_sfsr_and_sfar(void)
482,39 → 411,30
sfsr.value = dtlb_sfsr_read();
sfar = dtlb_sfar_read();
#if defined (US)
printf("DTLB SFSR: asi=%#x, ft=%#x, e=%d, ct=%d, pr=%d, w=%d, ow=%d, "
"fv=%d\n", sfsr.asi, sfsr.ft, sfsr.e, sfsr.ct, sfsr.pr, sfsr.w,
sfsr.ow, sfsr.fv);
#elif defined (US3)
printf("DTLB SFSR: nf=%d, asi=%#x, tm=%d, ft=%#x, e=%d, ct=%d, pr=%d, "
"w=%d, ow=%d, fv=%d\n", sfsr.nf, sfsr.asi, sfsr.tm, sfsr.ft,
sfsr.e, sfsr.ct, sfsr.pr, sfsr.w, sfsr.ow, sfsr.fv);
#endif
printf("DTLB SFAR: address=%p\n", sfar);
dtlb_sfsr_write(0);
}
 
#if defined (US)
/** Invalidate all unlocked ITLB and DTLB entries. */
void tlb_invalidate_all(void)
{
int i;
tlb_data_t d;
tlb_tag_read_reg_t t;
 
/*
* Walk all ITLB and DTLB entries and remove all unlocked mappings.
*
* The kernel doesn't use global mappings so any locked global mappings
* found must have been created by someone else. Their only purpose now
* found must have been created by someone else. Their only purpose now
* is to collide with proper mappings. Invalidate immediately. It should
* be safe to invalidate them as late as now.
*/
 
tlb_data_t d;
tlb_tag_read_reg_t t;
 
for (i = 0; i < ITLB_ENTRY_COUNT; i++) {
d.value = itlb_data_access_read(i);
if (!d.l || d.g) {
524,7 → 444,7
itlb_data_access_write(i, d.value);
}
}
 
for (i = 0; i < DTLB_ENTRY_COUNT; i++) {
d.value = dtlb_data_access_read(i);
if (!d.l || d.g) {
534,20 → 454,9
dtlb_data_access_write(i, d.value);
}
}
 
}
 
#elif defined (US3)
 
/** Invalidate all unlocked ITLB and DTLB entries. */
void tlb_invalidate_all(void)
{
itlb_demap(TLB_DEMAP_ALL, 0, 0);
dtlb_demap(TLB_DEMAP_ALL, 0, 0);
}
 
#endif
 
/** Invalidate all ITLB and DTLB entries that belong to specified ASID
* (Context).
*
575,11 → 484,11
/** Invalidate all ITLB and DTLB entries for specified page range in specified
* address space.
*
* @param asid Address Space ID.
* @param page First page which to sweep out from ITLB and DTLB.
* @param cnt Number of ITLB and DTLB entries to invalidate.
* @param asid Address Space ID.
* @param page First page which to sweep out from ITLB and DTLB.
* @param cnt Number of ITLB and DTLB entries to invalidate.
*/
void tlb_invalidate_pages(asid_t asid, uintptr_t page, size_t cnt)
void tlb_invalidate_pages(asid_t asid, uintptr_t page, count_t cnt)
{
unsigned int i;
tlb_context_reg_t pc_save, ctx;
/branches/arm/kernel/arch/sparc64/src/mm/frame.c
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup sparc64mm
/** @addtogroup sparc64mm
* @{
*/
/** @file
79,8 → 79,7
*/
frame_mark_unavailable(ADDR2PFN(KA2PA(PFN2ADDR(0))), 1);
}
 
end_of_identity = PA2KA(last_frame);
}
 
/** @}
/branches/arm/kernel/arch/sparc64/src/mm/page.c
1,5 → 1,5
/*
* Copyright (c) 2009 Jakub Jermar
* Copyright (c) 2005 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup sparc64mm
/** @addtogroup sparc64mm
* @{
*/
/** @file
42,27 → 42,126
#include <align.h>
#include <config.h>
 
#ifdef CONFIG_SMP
/** Entries locked in DTLB of BSP.
*
* Application processors need to have the same locked entries in their DTLBs as
* the bootstrap processor.
*/
static struct {
uintptr_t virt_page;
uintptr_t phys_page;
int pagesize_code;
} bsp_locked_dtlb_entry[DTLB_ENTRY_COUNT];
 
/** Number of entries in bsp_locked_dtlb_entry array. */
static count_t bsp_locked_dtlb_entries = 0;
#endif /* CONFIG_SMP */
 
/** Perform sparc64 specific initialization of paging. */
void page_arch_init(void)
{
if (config.cpu_active == 1)
if (config.cpu_active == 1) {
page_mapping_operations = &ht_mapping_operations;
} else {
 
#ifdef CONFIG_SMP
unsigned int i;
 
/*
* Copy locked DTLB entries from the BSP.
*/
for (i = 0; i < bsp_locked_dtlb_entries; i++) {
dtlb_insert_mapping(bsp_locked_dtlb_entry[i].virt_page,
bsp_locked_dtlb_entry[i].phys_page,
bsp_locked_dtlb_entry[i].pagesize_code, true,
false);
}
#endif
 
}
}
 
/** Map memory-mapped device into virtual memory.
*
* We are currently using identity mapping for mapping device registers.
* So far, only DTLB is used to map devices into memory. Chances are that there
* will be only a limited amount of devices that the kernel itself needs to
* lock in DTLB.
*
* @param physaddr Physical address of the page where the device is
* located.
* @param size Size of the device's registers.
* @param physaddr Physical address of the page where the device is located.
* Must be at least page-aligned.
* @param size Size of the device's registers. Must not exceed 4M and must
* include extra space caused by the alignment.
*
* @return Virtual address of the page where the device is mapped.
*
*/
uintptr_t hw_map(uintptr_t physaddr, size_t size)
{
return PA2KA(physaddr);
unsigned int order;
unsigned int i;
 
ASSERT(config.cpu_active == 1);
 
struct {
int pagesize_code;
size_t increment;
count_t count;
} sizemap[] = {
{ PAGESIZE_8K, 0, 1 }, /* 8K */
{ PAGESIZE_8K, MMU_PAGE_SIZE, 2 }, /* 16K */
{ PAGESIZE_8K, MMU_PAGE_SIZE, 4 }, /* 32K */
{ PAGESIZE_64K, 0, 1}, /* 64K */
{ PAGESIZE_64K, 8 * MMU_PAGE_SIZE, 2 }, /* 128K */
{ PAGESIZE_64K, 8 * MMU_PAGE_SIZE, 4 }, /* 256K */
{ PAGESIZE_512K, 0, 1 }, /* 512K */
{ PAGESIZE_512K, 64 * MMU_PAGE_SIZE, 2 }, /* 1M */
{ PAGESIZE_512K, 64 * MMU_PAGE_SIZE, 4 }, /* 2M */
{ PAGESIZE_4M, 0, 1 }, /* 4M */
{ PAGESIZE_4M, 512 * MMU_PAGE_SIZE, 2 } /* 8M */
};
ASSERT(ALIGN_UP(physaddr, MMU_PAGE_SIZE) == physaddr);
ASSERT(size <= 8 * 1024 * 1024);
if (size <= MMU_FRAME_SIZE)
order = 0;
else
order = (fnzb64(size - 1) + 1) - MMU_FRAME_WIDTH;
 
/*
* Use virtual addresses that are beyond the limit of physical memory.
* Thus, the physical address space will not be wasted by holes created
* by frame_alloc().
*/
ASSERT(PA2KA(last_frame));
uintptr_t virtaddr = ALIGN_UP(PA2KA(last_frame),
1 << (order + FRAME_WIDTH));
last_frame = ALIGN_UP(KA2PA(virtaddr) + size,
1 << (order + FRAME_WIDTH));
for (i = 0; i < sizemap[order].count; i++) {
/*
* First, insert the mapping into DTLB.
*/
dtlb_insert_mapping(virtaddr + i * sizemap[order].increment,
physaddr + i * sizemap[order].increment,
sizemap[order].pagesize_code, true, false);
#ifdef CONFIG_SMP
/*
* Second, save the information about the mapping for APs.
*/
bsp_locked_dtlb_entry[bsp_locked_dtlb_entries].virt_page =
virtaddr + i * sizemap[order].increment;
bsp_locked_dtlb_entry[bsp_locked_dtlb_entries].phys_page =
physaddr + i * sizemap[order].increment;
bsp_locked_dtlb_entry[bsp_locked_dtlb_entries].pagesize_code =
sizemap[order].pagesize_code;
bsp_locked_dtlb_entries++;
#endif
}
return virtaddr;
}
 
/** @}
/branches/arm/kernel/arch/sparc64/src/mm/tsb.c
50,14 → 50,13
*
* @param as Address space.
* @param page First page to invalidate in TSB.
* @param pages Number of pages to invalidate. Value of (size_t) -1 means the
* @param pages Number of pages to invalidate. Value of (count_t) -1 means the
* whole TSB.
*/
void tsb_invalidate(as_t *as, uintptr_t page, size_t pages)
void tsb_invalidate(as_t *as, uintptr_t page, count_t pages)
{
size_t i0;
size_t i;
size_t cnt;
index_t i0, i;
count_t cnt;
ASSERT(as->arch.itsb && as->arch.dtsb);
64,7 → 63,7
i0 = (page >> MMU_PAGE_WIDTH) & TSB_INDEX_MASK;
ASSERT(i0 < ITSB_ENTRY_COUNT && i0 < DTSB_ENTRY_COUNT);
 
if (pages == (size_t) -1 || (pages * 2) > ITSB_ENTRY_COUNT)
if (pages == (count_t) -1 || (pages * 2) > ITSB_ENTRY_COUNT)
cnt = ITSB_ENTRY_COUNT;
else
cnt = pages * 2;
82,11 → 81,11
* @param t Software PTE.
* @param index Zero if lower 8K-subpage, one if higher 8K subpage.
*/
void itsb_pte_copy(pte_t *t, size_t index)
void itsb_pte_copy(pte_t *t, index_t index)
{
as_t *as;
tsb_entry_t *tsb;
size_t entry;
index_t entry;
 
ASSERT(index <= 1);
113,9 → 112,9
tsb->data.value = 0;
tsb->data.size = PAGESIZE_8K;
tsb->data.pfn = (t->frame >> MMU_FRAME_WIDTH) + index;
tsb->data.cp = t->c; /* cp as cache in phys.-idxed, c as cacheable */
tsb->data.p = t->k; /* p as privileged, k as kernel */
tsb->data.v = t->p; /* v as valid, p as present */
tsb->data.cp = t->c;
tsb->data.p = t->k; /* p as privileged */
tsb->data.v = t->p;
write_barrier();
128,11 → 127,11
* @param index Zero if lower 8K-subpage, one if higher 8K-subpage.
* @param ro If true, the mapping is copied read-only.
*/
void dtsb_pte_copy(pte_t *t, size_t index, bool ro)
void dtsb_pte_copy(pte_t *t, index_t index, bool ro)
{
as_t *as;
tsb_entry_t *tsb;
size_t entry;
index_t entry;
ASSERT(index <= 1);
 
174,4 → 173,3
 
/** @}
*/
 
/branches/arm/kernel/arch/sparc64/src/smp/smp.c
35,7 → 35,6
#include <smp/smp.h>
#include <genarch/ofw/ofw_tree.h>
#include <cpu.h>
#include <arch/cpu_family.h>
#include <arch/cpu.h>
#include <arch.h>
#include <config.h>
44,7 → 43,6
#include <synch/synch.h>
#include <synch/waitq.h>
#include <print.h>
#include <arch/cpu_node.h>
 
/**
* This global variable is used to pick-up application processors
61,57 → 59,17
void smp_init(void)
{
ofw_tree_node_t *node;
size_t cnt = 0;
count_t cnt = 0;
if (is_us() || is_us_iii()) {
node = ofw_tree_find_child_by_device_type(cpus_parent(), "cpu");
while (node) {
cnt++;
node = ofw_tree_find_peer_by_device_type(node, "cpu");
}
} else if (is_us_iv()) {
node = ofw_tree_find_child(cpus_parent(), "cmp");
while (node) {
cnt += 2;
node = ofw_tree_find_peer_by_name(node, "cmp");
}
node = ofw_tree_find_child_by_device_type(ofw_tree_lookup("/"), "cpu");
while (node) {
cnt++;
node = ofw_tree_find_peer_by_device_type(node, "cpu");
}
config.cpu_count = max(1, cnt);
}
 
/**
* Wakes up the CPU which is represented by the "node" OFW tree node.
* If "node" represents the current CPU, calling the function has
* no effect.
*/
static void wakeup_cpu(ofw_tree_node_t *node)
{
uint32_t mid;
ofw_tree_property_t *prop;
/* 'upa-portid' for US, 'portid' for US-III, 'cpuid' for US-IV */
prop = ofw_tree_getprop(node, "upa-portid");
if ((!prop) || (!prop->value))
prop = ofw_tree_getprop(node, "portid");
if ((!prop) || (!prop->value))
prop = ofw_tree_getprop(node, "cpuid");
if (!prop || prop->value == NULL)
return;
mid = *((uint32_t *) prop->value);
if (CPU->arch.mid == mid)
return;
 
waking_up_mid = mid;
if (waitq_sleep_timeout(&ap_completion_wq, 1000000, SYNCH_FLAGS_NONE) ==
ESYNCH_TIMEOUT)
printf("%s: waiting for processor (mid = %" PRIu32
") timed out\n", __func__, mid);
}
 
/** Wake application processors up. */
void kmp(void *arg)
{
118,18 → 76,31
ofw_tree_node_t *node;
int i;
if (is_us() || is_us_iii()) {
node = ofw_tree_find_child_by_device_type(cpus_parent(), "cpu");
for (i = 0; node;
node = ofw_tree_find_peer_by_device_type(node, "cpu"), i++)
wakeup_cpu(node);
} else if (is_us_iv()) {
node = ofw_tree_find_child(cpus_parent(), "cmp");
while (node) {
wakeup_cpu(ofw_tree_find_child(node, "cpu@0"));
wakeup_cpu(ofw_tree_find_child(node, "cpu@1"));
node = ofw_tree_find_peer_by_name(node, "cmp");
node = ofw_tree_find_child_by_device_type(ofw_tree_lookup("/"), "cpu");
for (i = 0; node; node = ofw_tree_find_peer_by_device_type(node, "cpu"), i++) {
uint32_t mid;
ofw_tree_property_t *prop;
prop = ofw_tree_getprop(node, "upa-portid");
if (!prop || !prop->value)
continue;
mid = *((uint32_t *) prop->value);
if (CPU->arch.mid == mid) {
/*
* Skip the current CPU.
*/
continue;
}
 
/*
* Processor with ID == mid can proceed with its initialization.
*/
waking_up_mid = mid;
if (waitq_sleep_timeout(&ap_completion_wq, 1000000, SYNCH_FLAGS_NONE) == ESYNCH_TIMEOUT)
printf("%s: waiting for processor (mid = %" PRIu32 ") timed out\n",
__func__, mid);
}
}
 
/branches/arm/kernel/arch/sparc64/src/smp/ipi.c
46,33 → 46,6
#include <time/delay.h>
#include <panic.h>
 
/** Set the contents of the outgoing interrupt vector data.
*
* The first data item (data 0) will be set to the value of func, the
* rest of the vector will contain zeros.
*
* This is a helper function used from within the cross_call function.
*
* @param func value the first data item of the vector will be set to
*/
static inline void set_intr_w_data(void (* func)(void))
{
#if defined (US)
asi_u64_write(ASI_INTR_W, ASI_UDB_INTR_W_DATA_0, (uintptr_t) func);
asi_u64_write(ASI_INTR_W, ASI_UDB_INTR_W_DATA_1, 0);
asi_u64_write(ASI_INTR_W, ASI_UDB_INTR_W_DATA_2, 0);
#elif defined (US3)
asi_u64_write(ASI_INTR_W, VA_INTR_W_DATA_0, (uintptr_t) func);
asi_u64_write(ASI_INTR_W, VA_INTR_W_DATA_1, 0);
asi_u64_write(ASI_INTR_W, VA_INTR_W_DATA_2, 0);
asi_u64_write(ASI_INTR_W, VA_INTR_W_DATA_3, 0);
asi_u64_write(ASI_INTR_W, VA_INTR_W_DATA_4, 0);
asi_u64_write(ASI_INTR_W, VA_INTR_W_DATA_5, 0);
asi_u64_write(ASI_INTR_W, VA_INTR_W_DATA_6, 0);
asi_u64_write(ASI_INTR_W, VA_INTR_W_DATA_7, 0);
#endif
}
 
/** Invoke function on another processor.
*
* Currently, only functions without arguments are supported.
98,15 → 71,16
status = asi_u64_read(ASI_INTR_DISPATCH_STATUS, 0);
if (status & INTR_DISPATCH_STATUS_BUSY)
panic("Interrupt Dispatch Status busy bit set.");
panic("Interrupt Dispatch Status busy bit set\n");
ASSERT(!(pstate_read() & PSTATE_IE_BIT));
do {
set_intr_w_data(func);
asi_u64_write(ASI_INTR_W,
asi_u64_write(ASI_UDB_INTR_W, ASI_UDB_INTR_W_DATA_0,
(uintptr_t) func);
asi_u64_write(ASI_UDB_INTR_W, ASI_UDB_INTR_W_DATA_1, 0);
asi_u64_write(ASI_UDB_INTR_W, ASI_UDB_INTR_W_DATA_2, 0);
asi_u64_write(ASI_UDB_INTR_W,
(mid << INTR_VEC_DISPATCH_MID_SHIFT) |
VA_INTR_W_DISPATCH, 0);
ASI_UDB_INTR_W_DISPATCH, 0);
membar();
151,7 → 125,7
func = tlb_shootdown_ipi_recv;
break;
default:
panic("Unknown IPI (%d).", ipi);
panic("Unknown IPI (%d).\n", ipi);
break;
}
/branches/arm/kernel/arch/sparc64/src/cpu/cpu.c
32,46 → 32,12
/** @file
*/
 
#include <arch/cpu_family.h>
#include <cpu.h>
#include <arch.h>
#include <genarch/ofw/ofw_tree.h>
#include <arch/drivers/tick.h>
#include <print.h>
#include <arch/cpu_node.h>
 
/**
* Finds out the clock frequency of the current CPU.
*
* @param node node representing the current CPU in the OFW tree
* @return clock frequency if "node" is the current CPU and no error
* occurs, -1 if "node" is not the current CPU or on error
*/
static int find_cpu_frequency(ofw_tree_node_t *node)
{
ofw_tree_property_t *prop;
uint32_t mid;
 
/* 'upa-portid' for US, 'portid' for US-III, 'cpuid' for US-IV */
prop = ofw_tree_getprop(node, "upa-portid");
if ((!prop) || (!prop->value))
prop = ofw_tree_getprop(node, "portid");
if ((!prop) || (!prop->value))
prop = ofw_tree_getprop(node, "cpuid");
if (prop && prop->value) {
mid = *((uint32_t *) prop->value);
if (mid == CPU->arch.mid) {
prop = ofw_tree_getprop(node, "clock-frequency");
if (prop && prop->value) {
return *((uint32_t *) prop->value);
}
}
}
return -1;
}
 
/** Perform sparc64 specific initialization of the processor structure for the
* current processor.
*/
78,37 → 44,34
void cpu_arch_init(void)
{
ofw_tree_node_t *node;
uint32_t mid;
uint32_t clock_frequency = 0;
upa_config_t upa_config;
CPU->arch.mid = read_mid();
upa_config.value = upa_config_read();
CPU->arch.mid = upa_config.mid;
/*
* Detect processor frequency.
*/
if (is_us() || is_us_iii()) {
node = ofw_tree_find_child_by_device_type(cpus_parent(), "cpu");
while (node) {
int f = find_cpu_frequency(node);
if (f != -1)
clock_frequency = (uint32_t) f;
node = ofw_tree_find_peer_by_device_type(node, "cpu");
node = ofw_tree_find_child_by_device_type(ofw_tree_lookup("/"), "cpu");
while (node) {
ofw_tree_property_t *prop;
prop = ofw_tree_getprop(node, "upa-portid");
if (prop && prop->value) {
mid = *((uint32_t *) prop->value);
if (mid == CPU->arch.mid) {
prop = ofw_tree_getprop(node,
"clock-frequency");
if (prop && prop->value)
clock_frequency = *((uint32_t *)
prop->value);
}
}
} else if (is_us_iv()) {
node = ofw_tree_find_child(cpus_parent(), "cmp");
while (node) {
int f;
f = find_cpu_frequency(
ofw_tree_find_child(node, "cpu@0"));
if (f != -1)
clock_frequency = (uint32_t) f;
f = find_cpu_frequency(
ofw_tree_find_child(node, "cpu@1"));
if (f != -1)
clock_frequency = (uint32_t) f;
node = ofw_tree_find_peer_by_name(node, "cmp");
}
node = ofw_tree_find_peer_by_device_type(node, "cpu");
}
 
CPU->arch.clock_frequency = clock_frequency;
tick_init();
}
161,15 → 124,6
case IMPL_ULTRASPARCIII:
impl = "UltraSPARC III";
break;
case IMPL_ULTRASPARCIII_PLUS:
impl = "UltraSPARC III+";
break;
case IMPL_ULTRASPARCIII_I:
impl = "UltraSPARC IIIi";
break;
case IMPL_ULTRASPARCIV:
impl = "UltraSPARC IV";
break;
case IMPL_ULTRASPARCIV_PLUS:
impl = "UltraSPARC IV+";
break;
/branches/arm/kernel/arch/sparc64/src/drivers/sgcn.c
File deleted
/branches/arm/kernel/arch/sparc64/src/drivers/scr.c
37,7 → 37,7
#include <genarch/fb/fb.h>
#include <genarch/fb/visuals.h>
#include <arch/types.h>
#include <string.h>
#include <func.h>
#include <align.h>
#include <print.h>
 
55,30 → 55,23
void scr_init(ofw_tree_node_t *node)
{
ofw_tree_property_t *prop;
ofw_pci_reg_t *pci_reg;
ofw_pci_reg_t pci_abs_reg;
ofw_upa_reg_t *upa_reg;
ofw_sbus_reg_t *sbus_reg;
const char *name;
name = ofw_tree_node_name(node);
if (str_cmp(name, "SUNW,m64B") == 0)
if (strcmp(name, "SUNW,m64B") == 0)
scr_type = SCR_ATYFB;
else if (str_cmp(name, "SUNW,XVR-100") == 0)
scr_type = SCR_XVR;
else if (str_cmp(name, "SUNW,ffb") == 0)
else if (strcmp(name, "SUNW,ffb") == 0)
scr_type = SCR_FFB;
else if (str_cmp(name, "cgsix") == 0)
else if (strcmp(name, "cgsix") == 0)
scr_type = SCR_CGSIX;
if (scr_type == SCR_UNKNOWN) {
printf("Unknown screen device.\n");
printf("Unknown keyboard device.\n");
return;
}
uintptr_t fb_addr;
unsigned int fb_offset = 0;
uint32_t fb_width = 0;
uint32_t fb_height = 0;
uint32_t fb_depth = 0;
104,7 → 97,7
 
prop = ofw_tree_getprop(node, "reg");
if (!prop)
panic("Cannot find 'reg' property.");
panic("Can't find \"reg\" property.\n");
 
switch (scr_type) {
case SCR_ATYFB:
113,15 → 106,15
return;
}
pci_reg = &((ofw_pci_reg_t *) prop->value)[1];
ofw_pci_reg_t *fb_reg = &((ofw_pci_reg_t *) prop->value)[1];
ofw_pci_reg_t abs_reg;
if (!ofw_pci_reg_absolutize(node, pci_reg, &pci_abs_reg)) {
if (!ofw_pci_reg_absolutize(node, fb_reg, &abs_reg)) {
printf("Failed to absolutize fb register.\n");
return;
}
if (!ofw_pci_apply_ranges(node->parent, &pci_abs_reg,
&fb_addr)) {
if (!ofw_pci_apply_ranges(node->parent, &abs_reg , &fb_addr)) {
printf("Failed to determine screen address.\n");
return;
}
149,56 → 142,12
}
break;
case SCR_XVR:
if (prop->size / sizeof(ofw_pci_reg_t) < 2) {
printf("Too few screen registers.\n");
return;
}
pci_reg = &((ofw_pci_reg_t *) prop->value)[1];
if (!ofw_pci_reg_absolutize(node, pci_reg, &pci_abs_reg)) {
printf("Failed to absolutize fb register.\n");
return;
}
if (!ofw_pci_apply_ranges(node->parent, &pci_abs_reg,
&fb_addr)) {
printf("Failed to determine screen address.\n");
return;
}
 
fb_offset = 4 * 0x2000;
 
switch (fb_depth) {
case 8:
fb_scanline = fb_linebytes * (fb_depth >> 3);
visual = VISUAL_INDIRECT_8;
break;
case 16:
fb_scanline = fb_linebytes * (fb_depth >> 3);
visual = VISUAL_RGB_5_6_5;
break;
case 24:
fb_scanline = fb_linebytes * 4;
visual = VISUAL_RGB_8_8_8_0;
break;
case 32:
fb_scanline = fb_linebytes * (fb_depth >> 3);
visual = VISUAL_RGB_0_8_8_8;
break;
default:
printf("Unsupported bits per pixel.\n");
return;
}
break;
case SCR_FFB:
fb_scanline = 8192;
visual = VISUAL_BGR_0_8_8_8;
 
upa_reg = &((ofw_upa_reg_t *) prop->value)[FFB_REG_24BPP];
if (!ofw_upa_apply_ranges(node->parent, upa_reg, &fb_addr)) {
ofw_upa_reg_t *reg = &((ofw_upa_reg_t *) prop->value)[FFB_REG_24BPP];
if (!ofw_upa_apply_ranges(node->parent, reg, &fb_addr)) {
printf("Failed to determine screen address.\n");
return;
}
215,8 → 164,8
return;
}
sbus_reg = &((ofw_sbus_reg_t *) prop->value)[0];
if (!ofw_sbus_apply_ranges(node->parent, sbus_reg, &fb_addr)) {
ofw_sbus_reg_t *cg6_reg = &((ofw_sbus_reg_t *) prop->value)[0];
if (!ofw_sbus_apply_ranges(node->parent, cg6_reg, &fb_addr)) {
printf("Failed to determine screen address.\n");
return;
}
223,24 → 172,11
break;
default:
panic("Unexpected type.");
panic("Unexpected type.\n");
}
 
fb_properties_t props = {
.addr = fb_addr,
.offset = fb_offset,
.x = fb_width,
.y = fb_height,
.scan = fb_scanline,
.visual = visual,
};
fb_init(&props);
fb_init(fb_addr, fb_width, fb_height, fb_scanline, visual);
}
 
void scr_redraw(void)
{
fb_redraw();
}
 
/** @}
*/
/branches/arm/kernel/arch/sparc64/src/drivers/tick.c
45,12 → 45,11
 
#define TICK_RESTART_TIME 50 /* Worst case estimate. */
 
/** Initialize tick and stick interrupt. */
/** Initialize tick interrupt. */
void tick_init(void)
{
/* initialize TICK interrupt */
tick_compare_reg_t compare;
 
interrupt_register(14, "tick_int", tick_interrupt);
compare.int_dis = false;
compare.tick_cmpr = CPU->arch.clock_frequency / HZ;
57,21 → 56,6
CPU->arch.next_tick_cmpr = compare.tick_cmpr;
tick_compare_write(compare.value);
tick_write(0);
 
#if defined (US3)
/* disable STICK interrupts and clear any pending ones */
tick_compare_reg_t stick_compare;
softint_reg_t clear;
 
stick_compare.value = stick_compare_read();
stick_compare.int_dis = true;
stick_compare.tick_cmpr = 0;
stick_compare_write(stick_compare.value);
 
clear.value = 0;
clear.stick_int = 1;
clear_softint_write(clear.value);
#endif
}
 
/** Process tick interrupt.
83,7 → 67,7
{
softint_reg_t softint, clear;
uint64_t drift;
 
softint.value = softint_read();
/*
/branches/arm/kernel/arch/sparc64/src/drivers/fhc.c
45,7 → 45,6
#include <mm/slab.h>
#include <arch/types.h>
#include <genarch/ofw/ofw_tree.h>
#include <sysinfo/sysinfo.h>
 
fhc_t *central_fhc = NULL;
 
71,7 → 70,7
if (!prop || !prop->value)
return NULL;
size_t regs = prop->size / sizeof(ofw_central_reg_t);
count_t regs = prop->size / sizeof(ofw_central_reg_t);
if (regs + 1 < UART_IMAP_REG)
return NULL;
 
87,13 → 86,6
 
fhc->uart_imap = (uint32_t *) hw_map(paddr, reg->size);
/*
* Set sysinfo data needed by the uspace FHC driver.
*/
sysinfo_set_item_val("fhc.uart.size", NULL, reg->size);
sysinfo_set_item_val("fhc.uart.physical", NULL, paddr);
sysinfo_set_item_val("kbd.cir.fhc", NULL, 1);
 
return fhc;
}
 
104,14 → 96,13
fhc->uart_imap[FHC_UART_IMAP] |= IMAP_V_MASK;
break;
default:
panic("Unexpected INR (%d).", inr);
panic("Unexpected INR (%d)\n", inr);
break;
}
}
 
void fhc_clear_interrupt(void *fhcp, int inr)
void fhc_clear_interrupt(fhc_t *fhc, int inr)
{
fhc_t *fhc = (fhc_t *)fhcp;
ASSERT(fhc->uart_imap);
 
switch (inr) {
119,7 → 110,7
fhc->uart_imap[FHC_UART_ICLR] = 0;
break;
default:
panic("Unexpected INR (%d).", inr);
panic("Unexpected INR (%d)\n", inr);
break;
}
}
/branches/arm/kernel/arch/sparc64/src/drivers/kbd.c
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup sparc64
/** @addtogroup sparc64
* @{
*/
/** @file
34,160 → 34,99
 
#include <arch/drivers/kbd.h>
#include <genarch/ofw/ofw_tree.h>
 
#ifdef CONFIG_SUN_KBD
#include <genarch/kbrd/kbrd.h>
#endif
#ifdef CONFIG_Z8530
#include <genarch/drivers/z8530/z8530.h>
#include <genarch/kbd/z8530.h>
#endif
#ifdef CONFIG_NS16550
#include <genarch/drivers/ns16550/ns16550.h>
#include <genarch/kbd/ns16550.h>
#endif
 
#include <console/console.h>
#include <ddi/device.h>
#include <ddi/irq.h>
#include <arch/mm/page.h>
#include <arch/types.h>
#include <align.h>
#include <string.h>
#include <func.h>
#include <print.h>
#include <sysinfo/sysinfo.h>
 
#ifdef CONFIG_SUN_KBD
kbd_type_t kbd_type = KBD_UNKNOWN;
 
#ifdef CONFIG_Z8530
 
static bool kbd_z8530_init(ofw_tree_node_t *node)
/** Initialize keyboard.
*
* Traverse OpenFirmware device tree in order to find necessary
* info about the keyboard device.
*
* @param node Keyboard device node.
*/
void kbd_init(ofw_tree_node_t *node)
{
const char *name = ofw_tree_node_name(node);
size_t offset;
uintptr_t aligned_addr;
ofw_tree_property_t *prop;
const char *name;
if (str_cmp(name, "zs") != 0)
return false;
name = ofw_tree_node_name(node);
/*
* Read 'interrupts' property.
* Determine keyboard serial controller type.
*/
ofw_tree_property_t *prop = ofw_tree_getprop(node, "interrupts");
if ((!prop) || (!prop->value)) {
printf("z8530: Unable to find interrupts property\n");
return false;
}
if (strcmp(name, "zs") == 0)
kbd_type = KBD_Z8530;
else if (strcmp(name, "su") == 0)
kbd_type = KBD_NS16550;
uint32_t interrupts = *((uint32_t *) prop->value);
/*
* Read 'reg' property.
*/
prop = ofw_tree_getprop(node, "reg");
if ((!prop) || (!prop->value)) {
printf("z8530: Unable to find reg property\n");
return false;
if (kbd_type == KBD_UNKNOWN) {
printf("Unknown keyboard device.\n");
return;
}
size_t size = ((ofw_fhc_reg_t *) prop->value)->size;
uintptr_t pa;
if (!ofw_fhc_apply_ranges(node->parent,
((ofw_fhc_reg_t *) prop->value), &pa)) {
printf("z8530: Failed to determine address\n");
return false;
}
inr_t inr;
cir_t cir;
void *cir_arg;
if (!ofw_fhc_map_interrupt(node->parent,
((ofw_fhc_reg_t *) prop->value), interrupts, &inr, &cir,
&cir_arg)) {
printf("z8530: Failed to determine interrupt\n");
return false;
}
/*
* We need to pass aligned address to hw_map().
* However, the physical keyboard address can
* be pretty much unaligned, depending on the
* underlying controller.
* Read 'interrupts' property.
*/
uintptr_t aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE);
size_t offset = pa - aligned_addr;
z8530_t *z8530 = (z8530_t *)
(hw_map(aligned_addr, offset + size) + offset);
z8530_instance_t *z8530_instance = z8530_init(z8530, inr, cir, cir_arg);
if (z8530_instance) {
kbrd_instance_t *kbrd_instance = kbrd_init();
if (kbrd_instance) {
indev_t *sink = stdin_wire();
indev_t *kbrd = kbrd_wire(kbrd_instance, sink);
z8530_wire(z8530_instance, kbrd);
}
}
/*
* This is the necessary evil until the userspace drivers are
* entirely self-sufficient.
*/
sysinfo_set_item_val("kbd", NULL, true);
sysinfo_set_item_val("kbd.inr", NULL, inr);
sysinfo_set_item_val("kbd.address.kernel", NULL,
(uintptr_t) z8530);
sysinfo_set_item_val("kbd.address.physical", NULL, pa);
sysinfo_set_item_val("kbd.type.z8530", NULL, true);
return true;
}
uint32_t interrupts;
prop = ofw_tree_getprop(node, "interrupts");
if (!prop || !prop->value)
panic("Can't find \"interrupts\" property.\n");
interrupts = *((uint32_t *) prop->value);
 
#endif /* CONFIG_Z8530 */
 
#ifdef CONFIG_NS16550
 
static bool kbd_ns16550_init(ofw_tree_node_t *node)
{
const char *name = ofw_tree_node_name(node);
if (str_cmp(name, "su") != 0)
return false;
/*
* Read 'interrupts' property.
*/
ofw_tree_property_t *prop = ofw_tree_getprop(node, "interrupts");
if ((!prop) || (!prop->value)) {
printf("ns16550: Unable to find interrupts property\n");
return false;
}
uint32_t interrupts = *((uint32_t *) prop->value);
/*
* Read 'reg' property.
*/
prop = ofw_tree_getprop(node, "reg");
if ((!prop) || (!prop->value)) {
printf("ns16550: Unable to find reg property\n");
return false;
}
if (!prop || !prop->value)
panic("Can't find \"reg\" property.\n");
size_t size = ((ofw_ebus_reg_t *) prop->value)->size;
uintptr_t pa;
if (!ofw_ebus_apply_ranges(node->parent,
((ofw_ebus_reg_t *) prop->value), &pa)) {
printf("ns16550: Failed to determine address\n");
return false;
}
size_t size;
inr_t inr;
devno_t devno = device_assign_devno();
inr_t inr;
cir_t cir;
void *cir_arg;
if (!ofw_ebus_map_interrupt(node->parent,
((ofw_ebus_reg_t *) prop->value), interrupts, &inr, &cir,
&cir_arg)) {
printf("ns16550: Failed to determine interrupt\n");
return false;
switch (kbd_type) {
case KBD_Z8530:
size = ((ofw_fhc_reg_t *) prop->value)->size;
if (!ofw_fhc_apply_ranges(node->parent, ((ofw_fhc_reg_t *) prop->value) , &pa)) {
printf("Failed to determine keyboard address.\n");
return;
}
if (!ofw_fhc_map_interrupt(node->parent, ((ofw_fhc_reg_t *) prop->value), interrupts, &inr)) {
printf("Failed to determine keyboard interrupt.\n");
return;
}
break;
case KBD_NS16550:
size = ((ofw_ebus_reg_t *) prop->value)->size;
if (!ofw_ebus_apply_ranges(node->parent, ((ofw_ebus_reg_t *) prop->value) , &pa)) {
printf("Failed to determine keyboard address.\n");
return;
}
if (!ofw_ebus_map_interrupt(node->parent, ((ofw_ebus_reg_t *) prop->value), interrupts, &inr)) {
printf("Failed to determine keyboard interrupt.\n");
return;
};
break;
 
default:
panic("Unexpected type.\n");
}
/*
196,58 → 135,25
* be pretty much unaligned, depending on the
* underlying controller.
*/
uintptr_t aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE);
size_t offset = pa - aligned_addr;
ns16550_t *ns16550 = (ns16550_t *)
(hw_map(aligned_addr, offset + size) + offset);
ns16550_instance_t *ns16550_instance = ns16550_init(ns16550, inr, cir, cir_arg);
if (ns16550_instance) {
kbrd_instance_t *kbrd_instance = kbrd_init();
if (kbrd_instance) {
indev_t *sink = stdin_wire();
indev_t *kbrd = kbrd_wire(kbrd_instance, sink);
ns16550_wire(ns16550_instance, kbrd);
}
}
/*
* This is the necessary evil until the userspace drivers are
* entirely self-sufficient.
*/
sysinfo_set_item_val("kbd", NULL, true);
sysinfo_set_item_val("kbd.inr", NULL, inr);
sysinfo_set_item_val("kbd.address.kernel", NULL,
(uintptr_t) ns16550);
sysinfo_set_item_val("kbd.address.physical", NULL, pa);
sysinfo_set_item_val("kbd.type.ns16550", NULL, true);
return true;
}
aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE);
offset = pa - aligned_addr;
uintptr_t vaddr = hw_map(aligned_addr, offset + size) + offset;
 
#endif /* CONFIG_NS16550 */
 
/** Initialize keyboard.
*
* Traverse OpenFirmware device tree in order to find necessary
* info about the keyboard device.
*
* @param node Keyboard device node.
*
*/
void kbd_init(ofw_tree_node_t *node)
{
switch (kbd_type) {
#ifdef CONFIG_Z8530
kbd_z8530_init(node);
case KBD_Z8530:
z8530_init(devno, inr, vaddr);
break;
#endif
#ifdef CONFIG_NS16550
kbd_ns16550_init(node);
case KBD_NS16550:
ns16550_init(devno, inr, vaddr);
break;
#endif
default:
printf("Kernel is not compiled with the necessary keyboard driver this machine requires.\n");
}
}
 
#endif /* CONFIG_SUN_KBD */
 
/** @}
*/
/branches/arm/kernel/arch/sparc64/src/drivers/pci.c
42,41 → 42,43
#include <arch/types.h>
#include <debug.h>
#include <print.h>
#include <string.h>
#include <func.h>
#include <arch/asm.h>
#include <sysinfo/sysinfo.h>
 
#define SABRE_INTERNAL_REG 0
#define PSYCHO_INTERNAL_REG 2
#define PCI_SABRE_REGS_REG 0
 
#define OBIO_IMR_BASE 0x200
#define OBIO_IMR(ino) (OBIO_IMR_BASE + ((ino) & INO_MASK))
#define PCI_SABRE_IMAP_BASE 0x200
#define PCI_SABRE_ICLR_BASE 0x300
 
#define OBIO_CIR_BASE 0x300
#define OBIO_CIR(ino) (OBIO_CIR_BASE + ((ino) & INO_MASK))
#define PCI_PSYCHO_REGS_REG 2
 
static void obio_enable_interrupt(pci_t *, int);
static void obio_clear_interrupt(pci_t *, int);
#define PCI_PSYCHO_IMAP_BASE 0x200
#define PCI_PSYCHO_ICLR_BASE 0x300
 
static pci_t *pci_sabre_init(ofw_tree_node_t *);
static pci_t *pci_psycho_init(ofw_tree_node_t *);
static pci_t *pci_sabre_init(ofw_tree_node_t *node);
static void pci_sabre_enable_interrupt(pci_t *pci, int inr);
static void pci_sabre_clear_interrupt(pci_t *pci, int inr);
 
static pci_t *pci_psycho_init(ofw_tree_node_t *node);
static void pci_psycho_enable_interrupt(pci_t *pci, int inr);
static void pci_psycho_clear_interrupt(pci_t *pci, int inr);
 
/** PCI operations for Sabre model. */
static pci_operations_t pci_sabre_ops = {
.enable_interrupt = obio_enable_interrupt,
.clear_interrupt = obio_clear_interrupt
.enable_interrupt = pci_sabre_enable_interrupt,
.clear_interrupt = pci_sabre_clear_interrupt
};
/** PCI operations for Psycho model. */
static pci_operations_t pci_psycho_ops = {
.enable_interrupt = obio_enable_interrupt,
.clear_interrupt = obio_clear_interrupt
.enable_interrupt = pci_psycho_enable_interrupt,
.clear_interrupt = pci_psycho_clear_interrupt
};
 
/** Initialize PCI controller (model Sabre).
*
* @param node OpenFirmware device tree node of the Sabre.
* @param node OpenFirmware device tree node of the Sabre.
*
* @return Address of the initialized PCI structure.
* @return Address of the initialized PCI structure.
*/
pci_t *pci_sabre_init(ofw_tree_node_t *node)
{
91,14 → 93,13
return NULL;
 
ofw_upa_reg_t *reg = prop->value;
size_t regs = prop->size / sizeof(ofw_upa_reg_t);
count_t regs = prop->size / sizeof(ofw_upa_reg_t);
 
if (regs < SABRE_INTERNAL_REG + 1)
if (regs < PCI_SABRE_REGS_REG + 1)
return NULL;
 
uintptr_t paddr;
if (!ofw_upa_apply_ranges(node->parent, &reg[SABRE_INTERNAL_REG],
&paddr))
if (!ofw_upa_apply_ranges(node->parent, &reg[PCI_SABRE_REGS_REG], &paddr))
return NULL;
 
pci = (pci_t *) malloc(sizeof(pci_t), FRAME_ATOMIC);
107,14 → 108,8
 
pci->model = PCI_SABRE;
pci->op = &pci_sabre_ops;
pci->reg = (uint64_t *) hw_map(paddr, reg[SABRE_INTERNAL_REG].size);
pci->reg = (uint64_t *) hw_map(paddr, reg[PCI_SABRE_REGS_REG].size);
 
/*
* Set sysinfo data needed by the uspace OBIO driver.
*/
sysinfo_set_item_val("obio.base.physical", NULL, paddr);
sysinfo_set_item_val("kbd.cir.obio", NULL, 1);
 
return pci;
}
 
121,9 → 116,9
 
/** Initialize the Psycho PCI controller.
*
* @param node OpenFirmware device tree node of the Psycho.
* @param node OpenFirmware device tree node of the Psycho.
*
* @return Address of the initialized PCI structure.
* @return Address of the initialized PCI structure.
*/
pci_t *pci_psycho_init(ofw_tree_node_t *node)
{
138,14 → 133,13
return NULL;
 
ofw_upa_reg_t *reg = prop->value;
size_t regs = prop->size / sizeof(ofw_upa_reg_t);
count_t regs = prop->size / sizeof(ofw_upa_reg_t);
 
if (regs < PSYCHO_INTERNAL_REG + 1)
if (regs < PCI_PSYCHO_REGS_REG + 1)
return NULL;
 
uintptr_t paddr;
if (!ofw_upa_apply_ranges(node->parent, &reg[PSYCHO_INTERNAL_REG],
&paddr))
if (!ofw_upa_apply_ranges(node->parent, &reg[PCI_PSYCHO_REGS_REG], &paddr))
return NULL;
 
pci = (pci_t *) malloc(sizeof(pci_t), FRAME_ATOMIC);
154,27 → 148,31
 
pci->model = PCI_PSYCHO;
pci->op = &pci_psycho_ops;
pci->reg = (uint64_t *) hw_map(paddr, reg[PSYCHO_INTERNAL_REG].size);
pci->reg = (uint64_t *) hw_map(paddr, reg[PCI_PSYCHO_REGS_REG].size);
 
/*
* Set sysinfo data needed by the uspace OBIO driver.
*/
sysinfo_set_item_val("obio.base.physical", NULL, paddr);
sysinfo_set_item_val("kbd.cir.obio", NULL, 1);
 
return pci;
}
 
void obio_enable_interrupt(pci_t *pci, int inr)
void pci_sabre_enable_interrupt(pci_t *pci, int inr)
{
pci->reg[OBIO_IMR(inr & INO_MASK)] |= IMAP_V_MASK;
pci->reg[PCI_SABRE_IMAP_BASE + (inr & INO_MASK)] |= IMAP_V_MASK;
}
 
void obio_clear_interrupt(pci_t *pci, int inr)
void pci_sabre_clear_interrupt(pci_t *pci, int inr)
{
pci->reg[OBIO_CIR(inr & INO_MASK)] = 0; /* set IDLE */
pci->reg[PCI_SABRE_ICLR_BASE + (inr & INO_MASK)] = 0;
}
 
void pci_psycho_enable_interrupt(pci_t *pci, int inr)
{
pci->reg[PCI_PSYCHO_IMAP_BASE + (inr & INO_MASK)] |= IMAP_V_MASK;
}
 
void pci_psycho_clear_interrupt(pci_t *pci, int inr)
{
pci->reg[PCI_PSYCHO_ICLR_BASE + (inr & INO_MASK)] = 0;
}
 
/** Initialize PCI controller. */
pci_t *pci_init(ofw_tree_node_t *node)
{
183,7 → 181,7
/*
* First, verify this is a PCI node.
*/
ASSERT(str_cmp(ofw_tree_node_name(node), "pci") == 0);
ASSERT(strcmp(ofw_tree_node_name(node), "pci") == 0);
 
/*
* Determine PCI controller model.
192,13 → 190,13
if (!prop || !prop->value)
return NULL;
if (str_cmp(prop->value, "SUNW,sabre") == 0) {
if (strcmp(prop->value, "SUNW,sabre") == 0) {
/*
* PCI controller Sabre.
* This model is found on UltraSPARC IIi based machines.
*/
return pci_sabre_init(node);
} else if (str_cmp(prop->value, "SUNW,psycho") == 0) {
} else if (strcmp(prop->value, "SUNW,psycho") == 0) {
/*
* PCI controller Psycho.
* Used on UltraSPARC II based processors, for instance,
217,14 → 215,14
 
void pci_enable_interrupt(pci_t *pci, int inr)
{
ASSERT(pci->model);
ASSERT(pci->op && pci->op->enable_interrupt);
pci->op->enable_interrupt(pci, inr);
}
 
void pci_clear_interrupt(void *pcip, int inr)
void pci_clear_interrupt(pci_t *pci, int inr)
{
pci_t *pci = (pci_t *)pcip;
 
ASSERT(pci->model);
ASSERT(pci->op && pci->op->clear_interrupt);
pci->op->clear_interrupt(pci, inr);
}
/branches/arm/kernel/arch/sparc64/src/proc/thread.c
34,8 → 34,9
 
#include <proc/thread.h>
#include <arch/proc/thread.h>
#include <mm/slab.h>
#include <arch/trap/regwin.h>
#include <mm/frame.h>
#include <mm/page.h>
#include <arch/mm/page.h>
#include <align.h>
 
void thr_constructor_arch(thread_t *t)
49,12 → 50,12
void thr_destructor_arch(thread_t *t)
{
if (t->arch.uspace_window_buffer) {
uintptr_t uw_buf = (uintptr_t) t->arch.uspace_window_buffer;
/*
* Mind the possible alignment of the userspace window buffer
* belonging to a killed thread.
*/
free((uint8_t *) ALIGN_DOWN(uw_buf, UWB_ALIGNMENT));
frame_free(KA2PA(ALIGN_DOWN((uintptr_t)
t->arch.uspace_window_buffer, PAGE_SIZE)));
}
}
 
66,7 → 67,7
* The thread needs userspace window buffer and the object
* returned from the slab allocator doesn't have any.
*/
t->arch.uspace_window_buffer = malloc(UWB_ASIZE, 0);
t->arch.uspace_window_buffer = frame_alloc(ONE_FRAME, FRAME_KA);
} else {
uintptr_t uw_buf = (uintptr_t) t->arch.uspace_window_buffer;
 
75,7 → 76,7
* belonging to a killed thread.
*/
t->arch.uspace_window_buffer = (uint8_t *) ALIGN_DOWN(uw_buf,
UWB_ASIZE);
PAGE_SIZE);
}
}
 
/branches/arm/kernel/arch/sparc64/src/sparc64.c
37,6 → 37,7
#include <config.h>
#include <arch/trap/trap.h>
#include <arch/console.h>
#include <proc/thread.h>
#include <console/console.h>
#include <arch/boot/boot.h>
#include <arch/arch.h>
46,11 → 47,10
#include <genarch/ofw/ofw_tree.h>
#include <userspace.h>
#include <ddi/irq.h>
#include <string.h>
 
bootinfo_t bootinfo;
 
/** Perform sparc64-specific initialization before main_bsp() is called. */
/** Perform sparc64 specific initialization before main_bsp() is called. */
void arch_pre_main(void)
{
/* Copy init task info. */
61,8 → 61,6
for (i = 0; i < bootinfo.taskmap.count; i++) {
init.tasks[i].addr = (uintptr_t) bootinfo.taskmap.tasks[i].addr;
init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
str_cpy(init.tasks[i].name, CONFIG_TASK_NAME_BUFLEN,
bootinfo.taskmap.tasks[i].name);
}
/* Copy boot allocations info. */
88,6 → 86,8
* But we only create 128 buckets.
*/
irq_init(1 << 11, 128);
standalone_sparc64_console_init();
}
}
 
101,7 → 101,18
 
void arch_post_smp_init(void)
{
standalone_sparc64_console_init();
static thread_t *t = NULL;
 
 
if (!t) {
/*
* Create thread that polls keyboard.
*/
t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll", true);
if (!t)
panic("cannot create kkbdpoll\n");
thread_ready(t);
}
}
 
/** Calibrate delay loop.
150,19 → 161,5
while (1);
}
 
/** Construct function pointer
*
* @param fptr function pointer structure
* @param addr function address
* @param caller calling function address
*
* @return address of the function pointer
*
*/
void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller)
{
return addr;
}
 
/** @}
*/
/branches/arm/kernel/arch/sparc64/src/ddi/ddi.c
41,7 → 41,7
* Interrupts are disabled and task is locked.
*
* @param task Task.
* @param ioaddr Starting I/O space address.
* @param ioaddr Startign I/O space address.
* @param size Size of the enabled I/O range.
*
* @return 0 on success or an error code from errno.h.
/branches/arm/kernel/arch/sparc64/src/console.c
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup sparc64
/** @addtogroup sparc64
* @{
*/
/** @file
37,8 → 37,14
 
#include <arch/drivers/scr.h>
#include <arch/drivers/kbd.h>
#include <arch/drivers/sgcn.h>
#include <genarch/srln/srln.h>
 
#ifdef CONFIG_Z8530
#include <genarch/kbd/z8530.h>
#endif
#ifdef CONFIG_NS16550
#include <genarch/kbd/ns16550.h>
#endif
 
#include <console/chardev.h>
#include <console/console.h>
#include <arch/asm.h>
48,101 → 54,92
#include <genarch/ofw/ofw_tree.h>
#include <arch.h>
#include <panic.h>
#include <string.h>
#include <print.h>
 
#define KEYBOARD_POLL_PAUSE 50000 /* 50ms */
 
/**
* Initialize kernel console to use framebuffer and keyboard directly.
* Called on UltraSPARC machines with standard keyboard and framebuffer.
*
* @param aliases the "/aliases" OBP node
*/
static void standard_console_init(ofw_tree_node_t *aliases)
/** Initialize kernel console to use framebuffer and keyboard directly. */
void standalone_sparc64_console_init(void)
{
#ifdef CONFIG_FB
ofw_tree_property_t *prop_scr = ofw_tree_getprop(aliases, "screen");
if (!prop_scr)
panic("Cannot find property 'screen'.");
if (!prop_scr->value)
panic("Cannot find screen alias.");
ofw_tree_node_t *screen = ofw_tree_lookup(prop_scr->value);
stdin = NULL;
 
ofw_tree_node_t *aliases;
ofw_tree_property_t *prop;
ofw_tree_node_t *screen;
ofw_tree_node_t *keyboard;
aliases = ofw_tree_lookup("/aliases");
if (!aliases)
panic("Can't find /aliases.\n");
prop = ofw_tree_getprop(aliases, "screen");
if (!prop)
panic("Can't find property \"screen\".\n");
if (!prop->value)
panic("Can't find screen alias.\n");
screen = ofw_tree_lookup(prop->value);
if (!screen)
panic("Cannot find %s.", prop_scr->value);
panic("Can't find %s\n", prop->value);
 
scr_init(screen);
#endif
 
#ifdef CONFIG_SUN_KBD
ofw_tree_property_t *prop_kbd = ofw_tree_getprop(aliases, "keyboard");
if (!prop_kbd)
panic("Cannot find property 'keyboard'.");
if (!prop_kbd->value)
panic("Cannot find keyboard alias.");
ofw_tree_node_t *keyboard = ofw_tree_lookup(prop_kbd->value);
prop = ofw_tree_getprop(aliases, "keyboard");
if (!prop)
panic("Can't find property \"keyboard\".\n");
if (!prop->value)
panic("Can't find keyboard alias.\n");
keyboard = ofw_tree_lookup(prop->value);
if (!keyboard)
panic("Cannot find %s.", prop_kbd->value);
panic("Can't find %s\n", prop->value);
 
kbd_init(keyboard);
#endif
}
 
/** Initilize I/O on the Serengeti machine. */
static void serengeti_init(void)
/** Kernel thread for polling keyboard.
*
* @param arg Ignored.
*/
void kkbdpoll(void *arg)
{
#ifdef CONFIG_SGCN_KBD
sgcn_instance_t *sgcn_instance = sgcnin_init();
if (sgcn_instance) {
srln_instance_t *srln_instance = srln_init();
if (srln_instance) {
indev_t *sink = stdin_wire();
indev_t *srln = srln_wire(srln_instance, sink);
sgcnin_wire(sgcn_instance, srln);
}
thread_detach(THREAD);
 
#ifdef CONFIG_Z8530
if (kbd_type == KBD_Z8530) {
/*
* The z8530 driver is interrupt-driven.
*/
return;
}
#endif
#ifdef CONFIG_SGCN_PRN
sgcnout_init();
 
while (1) {
#ifdef CONFIG_NS16550
if (kbd_type == KBD_NS16550)
ns16550_poll();
#endif
}
 
/**
* Initialize input/output. Auto-detects the type of machine
* and calls the appropriate I/O init routine.
*/
void standalone_sparc64_console_init(void)
{
ofw_tree_node_t *aliases;
ofw_tree_property_t *prop;
aliases = ofw_tree_lookup("/aliases");
if (!aliases)
panic("Cannot find '/aliases'.");
/* "def-cn" = "default console" */
prop = ofw_tree_getprop(aliases, "def-cn");
if ((!prop) || (!prop->value) || (str_cmp(prop->value, "/sgcn") != 0)) {
standard_console_init(aliases);
} else {
serengeti_init();
thread_usleep(KEYBOARD_POLL_PAUSE);
}
}
 
 
/** Acquire console back for kernel
*
*/
void arch_grab_console(void)
{
#ifdef CONFIG_FB
scr_redraw();
switch (kbd_type) {
#ifdef CONFIG_Z8530
case KBD_Z8530:
z8530_grab();
break;
#endif
#ifdef CONFIG_SGCN_KBD
sgcn_grab();
#ifdef CONFIG_NS16550
case KBD_NS16550:
ns16550_grab();
break;
#endif
default:
break;
}
}
 
/** Return console to userspace
150,9 → 147,20
*/
void arch_release_console(void)
{
#ifdef CONFIG_SGCN_KBD
sgcn_release();
switch (kbd_type) {
#ifdef CONFIG_Z8530
case KBD_Z8530:
z8530_release();
break;
#endif
#ifdef CONFIG_NS16550
case KBD_NS16550:
ns16550_release();
break;
#endif
default:
break;
}
}
 
/** @}
/branches/arm/kernel/arch/sparc64/src/start.S
27,7 → 27,6
#
 
#include <arch/arch.h>
#include <arch/cpu.h>
#include <arch/regdef.h>
#include <arch/boot/boot.h>
#include <arch/stack.h>
48,16 → 47,6
#define BSP_FLAG 1
 
/*
* 2^PHYSMEM_ADDR_SIZE is the size of the physical address space on
* a given processor.
*/
#if defined (US)
#define PHYSMEM_ADDR_SIZE 41
#elif defined (US3)
#define PHYSMEM_ADDR_SIZE 43
#endif
 
/*
* Here is where the kernel is passed control from the boot loader.
*
* The registers are expected to be in this state:
78,13 → 67,11
and %o0, %l0, %l7 ! l7 <= bootstrap processor?
andn %o0, %l0, %l6 ! l6 <= start of physical memory
 
! Get bits (PHYSMEM_ADDR_SIZE - 1):13 of physmem_base.
! Get bits 40:13 of physmem_base.
srlx %l6, 13, %l5
sllx %l5, 13 + (63 - 40), %l5
srlx %l5, 63 - 40, %l5 ! l5 <= physmem_base[40:13]
! l5 <= physmem_base[(PHYSMEM_ADDR_SIZE - 1):13]
sllx %l5, 13 + (63 - (PHYSMEM_ADDR_SIZE - 1)), %l5
srlx %l5, 63 - (PHYSMEM_ADDR_SIZE - 1), %l5
 
/*
* Setup basic runtime environment.
*/
96,8 → 83,6
! consistent
wrpr %g0, NWINDOWS - 1, %cleanwin ! prevent needless clean_window
! traps for kernel
wrpr %g0, 0, %wstate ! use default spill/fill trap
 
wrpr %g0, 0, %tl ! TL = 0, primary context
! register is used
259,8 → 244,7
 
/*
* Precompute kernel 8K TLB data template.
* %l5 contains starting physical address
* bits [(PHYSMEM_ADDR_SIZE - 1):13]
* %l5 contains starting physical address bits [40:13]
*/
sethi %hi(kernel_8k_tlb_data_template), %l4
ldx [%l4 + %lo(kernel_8k_tlb_data_template)], %l3
294,36 → 278,19
/* Not reached. */
 
0:
ba %xcc, 0b
ba 0b
nop
 
 
1:
#ifdef CONFIG_SMP
/*
* Determine the width of the MID and save its mask to %g3. The width
* is
* * 5 for US and US-IIIi,
* * 10 for US3 except US-IIIi.
*/
#if defined(US)
mov 0x1f, %g3
#elif defined(US3)
mov 0x3ff, %g3
rdpr %ver, %g2
sllx %g2, 16, %g2
srlx %g2, 48, %g2
cmp %g2, IMPL_ULTRASPARCIII_I
move %xcc, 0x1f, %g3
#endif
 
/*
* Read MID from the processor.
*/
ldxa [%g0] ASI_ICBUS_CONFIG, %g1
srlx %g1, ICBUS_CONFIG_MID_SHIFT, %g1
and %g1, %g3, %g1
1:
ldxa [%g0] ASI_UPA_CONFIG, %g1
srlx %g1, UPA_CONFIG_MID_SHIFT, %g1
and %g1, UPA_CONFIG_MID_MASK, %g1
 
#ifdef CONFIG_SMP
/*
* Active loop for APs until the BSP picks them up. A processor cannot
* leave the loop until the global variable 'waking_up_mid' equals its
333,7 → 300,7
2:
ldx [%g2], %g3
cmp %g3, %g1
bne %xcc, 2b
bne 2b
nop
 
/*
352,7 → 319,7
#endif
0:
ba %xcc, 0b
ba 0b
nop
 
 
381,31 → 348,10
.quad 0
 
/*
* The fast_data_access_mmu_miss_data_hi label and the end_of_identity and
* kernel_8k_tlb_data_template variables are meant to stay together,
* aligned on 16B boundary.
* This variable is used by the fast_data_MMU_miss trap handler. In runtime, it
* is further modified to reflect the starting address of physical memory.
*/
.global fast_data_access_mmu_miss_data_hi
.global end_of_identity
.global kernel_8k_tlb_data_template
 
.align 16
/*
* This label is used by the fast_data_access_MMU_miss trap handler.
*/
fast_data_access_mmu_miss_data_hi:
/*
* This variable is used by the fast_data_access_MMU_miss trap handler.
* In runtime, it is modified to contain the address of the end of physical
* memory.
*/
end_of_identity:
.quad -1
/*
* This variable is used by the fast_data_access_MMU_miss trap handler.
* In runtime, it is further modified to reflect the starting address of
* physical memory.
*/
kernel_8k_tlb_data_template:
#ifdef CONFIG_VIRT_IDX_DCACHE
.quad ((1 << TTE_V_SHIFT) | (PAGESIZE_8K << TTE_SIZE_SHIFT) | TTE_CP | \
/branches/arm/kernel/arch/sparc64/src/dummy.s
42,5 → 42,5
 
.global cpu_halt
cpu_halt:
ba %xcc, cpu_halt
b cpu_halt
nop
/branches/arm/kernel/arch/sparc64/Makefile.inc
29,6 → 29,10
## Toolchain configuration
#
 
ifndef CROSS_PREFIX
CROSS_PREFIX = /usr/local
endif
 
BFD_NAME = elf64-sparc
BFD_ARCH = sparc
BFD = binary
40,58 → 44,82
 
LFLAGS += -no-check-sections -N
 
BITS = 64
ENDIANESS = BE
DEFS += -D__64_BITS__
 
ifeq ($(PROCESSOR),us)
DEFS += -DUS
endif
## Own configuration directives
#
 
ifeq ($(PROCESSOR),us3)
DEFS += -DUS3
## Compile with page hash table support.
#
 
CONFIG_PAGE_HT = y
DEFS += -DCONFIG_PAGE_HT
 
## Compile with support for address space identifiers.
#
 
CONFIG_ASID = y
CONFIG_ASID_FIFO = y
 
## Compile with support for framebuffer.
#
 
CONFIG_FB = y
 
## Compile with support for Sun keyboard.
#
 
CONFIG_SUN_KBD = y
 
## Compile with support for OpenFirmware device tree.
#
 
CONFIG_OFW_TREE = y
 
ifeq ($(CONFIG_SMP),y)
DEFS += -DCONFIG_SMP
endif
 
ARCH_SOURCES = \
arch/$(KARCH)/src/cpu/cpu.c \
arch/$(KARCH)/src/asm.S \
arch/$(KARCH)/src/panic.S \
arch/$(KARCH)/src/console.c \
arch/$(KARCH)/src/context.S \
arch/$(KARCH)/src/fpu_context.c \
arch/$(KARCH)/src/dummy.s \
arch/$(KARCH)/src/mm/as.c \
arch/$(KARCH)/src/mm/cache.S \
arch/$(KARCH)/src/mm/frame.c \
arch/$(KARCH)/src/mm/page.c \
arch/$(KARCH)/src/mm/tlb.c \
arch/$(KARCH)/src/sparc64.c \
arch/$(KARCH)/src/start.S \
arch/$(KARCH)/src/proc/scheduler.c \
arch/$(KARCH)/src/proc/thread.c \
arch/$(KARCH)/src/trap/mmu.S \
arch/$(KARCH)/src/trap/trap_table.S \
arch/$(KARCH)/src/trap/trap.c \
arch/$(KARCH)/src/trap/exception.c \
arch/$(KARCH)/src/trap/interrupt.c \
arch/$(KARCH)/src/ddi/ddi.c \
arch/$(KARCH)/src/drivers/tick.c \
arch/$(KARCH)/src/drivers/kbd.c \
arch/$(KARCH)/src/drivers/sgcn.c \
arch/$(KARCH)/src/drivers/pci.c \
arch/$(KARCH)/src/drivers/fhc.c
arch/$(ARCH)/src/cpu/cpu.c \
arch/$(ARCH)/src/asm.S \
arch/$(ARCH)/src/panic.S \
arch/$(ARCH)/src/console.c \
arch/$(ARCH)/src/context.S \
arch/$(ARCH)/src/fpu_context.c \
arch/$(ARCH)/src/dummy.s \
arch/$(ARCH)/src/mm/as.c \
arch/$(ARCH)/src/mm/cache.S \
arch/$(ARCH)/src/mm/frame.c \
arch/$(ARCH)/src/mm/page.c \
arch/$(ARCH)/src/mm/tlb.c \
arch/$(ARCH)/src/sparc64.c \
arch/$(ARCH)/src/start.S \
arch/$(ARCH)/src/proc/scheduler.c \
arch/$(ARCH)/src/proc/thread.c \
arch/$(ARCH)/src/trap/mmu.S \
arch/$(ARCH)/src/trap/trap_table.S \
arch/$(ARCH)/src/trap/trap.c \
arch/$(ARCH)/src/trap/exception.c \
arch/$(ARCH)/src/trap/interrupt.c \
arch/$(ARCH)/src/ddi/ddi.c \
arch/$(ARCH)/src/drivers/tick.c \
arch/$(ARCH)/src/drivers/kbd.c \
arch/$(ARCH)/src/drivers/scr.c \
arch/$(ARCH)/src/drivers/pci.c
 
ifeq ($(CONFIG_FB),y)
ARCH_SOURCES += \
arch/$(KARCH)/src/drivers/scr.c
endif
 
ifeq ($(CONFIG_SMP),y)
ARCH_SOURCES += \
arch/$(KARCH)/src/smp/ipi.c \
arch/$(KARCH)/src/smp/smp.c
ARCH_SOURCES += \
arch/$(ARCH)/src/smp/ipi.c \
arch/$(ARCH)/src/smp/smp.c
endif
 
ifeq ($(CONFIG_TSB),y)
ARCH_SOURCES += \
arch/$(KARCH)/src/mm/tsb.c
ARCH_SOURCES += \
arch/$(ARCH)/src/mm/tsb.c
endif
 
ifdef CONFIG_Z8530
ARCH_SOURCES += \
arch/$(ARCH)/src/drivers/fhc.c
endif
/branches/arm/kernel/arch/sparc64/_link.ld.in
1,8 → 1,8
/** SPARC64 linker script
*
* It is ELF format, but its only section looks like this:
* kernel text
* kernel data
* kernel text
* kernel data
*
*/
 
11,7 → 11,7
ENTRY(kernel_image_start)
 
SECTIONS {
.image VMA: AT (LMA) {
.image VMA: AT (LMA) {
ktext_start = .;
*(K_TEXT_START)
*(.text);
21,23 → 21,23
*(K_DATA_START)
*(.rodata);
*(.rodata.*);
*(.data); /* initialized data */
*(.data); /* initialized data */
*(.sdata);
*(.sdata2);
*(.sbss);
. = ALIGN(8);
hardcoded_ktext_size = .;
QUAD(ktext_end - ktext_start);
QUAD(ktext_end - ktext_start);
hardcoded_kdata_size = .;
QUAD(kdata_end - kdata_start);
hardcoded_load_address = .;
QUAD(VMA);
*(.bss); /* uninitialized static variables */
*(COMMON); /* global variables */
*(.bss); /* uninitialized static variables */
*(COMMON); /* global variables */
 
symbol_table = .;
*(symtab.*); /* Symbol table, must be LAST symbol!*/
*(symtab.*); /* Symbol table, must be LAST symbol!*/
 
kdata_end = .;
}
44,5 → 44,5
/DISCARD/ : {
*(*);
}
 
}
/branches/arm/kernel/arch/ppc32/include/asm/regname.h
211,9 → 211,6
#define dbat2l 541
#define dbat3u 542
#define dbat3l 543
#define tlbmiss 980
#define ptehi 981
#define ptelo 982
#define hid0 1008
 
/* MSR bits */
223,7 → 220,6
#define msr_ee (1 << 15)
 
/* HID0 bits */
#define hid0_sten (1 << 24)
#define hid0_ice (1 << 15)
#define hid0_dce (1 << 14)
#define hid0_icfi (1 << 11)
/branches/arm/kernel/arch/ppc32/include/exception.h
75,7 → 75,6
uint32_t lr;
uint32_t ctr;
uint32_t xer;
uint32_t dar;
uint32_t r12;
uint32_t sp;
} istate_t;
/branches/arm/kernel/arch/ppc32/include/mm/page.h
102,25 → 102,25
 
/* Get PTE flags accessors for each level. */
#define GET_PTL1_FLAGS_ARCH(ptl0, i) \
get_pt_flags((pte_t *) (ptl0), (size_t) (i))
get_pt_flags((pte_t *) (ptl0), (index_t) (i))
#define GET_PTL2_FLAGS_ARCH(ptl1, i) \
PAGE_PRESENT
#define GET_PTL3_FLAGS_ARCH(ptl2, i) \
PAGE_PRESENT
#define GET_FRAME_FLAGS_ARCH(ptl3, i) \
get_pt_flags((pte_t *) (ptl3), (size_t) (i))
get_pt_flags((pte_t *) (ptl3), (index_t) (i))
 
/* Set PTE flags accessors for each level. */
#define SET_PTL1_FLAGS_ARCH(ptl0, i, x) \
set_pt_flags((pte_t *) (ptl0), (size_t) (i), (x))
set_pt_flags((pte_t *) (ptl0), (index_t) (i), (x))
#define SET_PTL2_FLAGS_ARCH(ptl1, i, x)
#define SET_PTL3_FLAGS_ARCH(ptl2, i, x)
#define SET_FRAME_FLAGS_ARCH(ptl3, i, x) \
set_pt_flags((pte_t *) (ptl3), (size_t) (i), (x))
set_pt_flags((pte_t *) (ptl3), (index_t) (i), (x))
 
/* Macros for querying the last-level PTEs. */
#define PTE_VALID_ARCH(pte) (*((uint32_t *) (pte)) != 0)
#define PTE_PRESENT_ARCH(pte) ((pte)->present != 0)
#define PTE_PRESENT_ARCH(pte) ((pte)->p != 0)
#define PTE_GET_FRAME_ARCH(pte) ((pte)->pfn << 12)
#define PTE_WRITABLE_ARCH(pte) 1
#define PTE_EXECUTABLE_ARCH(pte) 1
130,26 → 130,25
#include <mm/mm.h>
#include <arch/interrupt.h>
 
static inline int get_pt_flags(pte_t *pt, size_t i)
static inline int get_pt_flags(pte_t *pt, index_t i)
{
pte_t *p = &pt[i];
return (((!p->page_cache_disable) << PAGE_CACHEABLE_SHIFT) |
((!p->present) << PAGE_PRESENT_SHIFT) |
return ((1 << PAGE_CACHEABLE_SHIFT) |
((!p->p) << PAGE_PRESENT_SHIFT) |
(1 << PAGE_USER_SHIFT) |
(1 << PAGE_READ_SHIFT) |
(1 << PAGE_WRITE_SHIFT) |
(1 << PAGE_EXEC_SHIFT) |
(p->global << PAGE_GLOBAL_SHIFT));
(p->g << PAGE_GLOBAL_SHIFT));
}
 
static inline void set_pt_flags(pte_t *pt, size_t i, int flags)
static inline void set_pt_flags(pte_t *pt, index_t i, int flags)
{
pte_t *p = &pt[i];
p->page_cache_disable = !(flags & PAGE_CACHEABLE);
p->present = !(flags & PAGE_NOT_PRESENT);
p->global = (flags & PAGE_GLOBAL) != 0;
p->p = !(flags & PAGE_NOT_PRESENT);
p->g = (flags & PAGE_GLOBAL) != 0;
p->valid = 1;
}
 
/branches/arm/kernel/arch/ppc32/include/mm/tlb.h
39,11 → 39,6
#include <arch/types.h>
#include <typedefs.h>
 
#define WIMG_GUARDED 0x01
#define WIMG_COHERENT 0x02
#define WIMG_NO_CACHE 0x04
#define WIMG_WRITETHRU 0x08
 
typedef struct {
unsigned v : 1; /**< Valid */
unsigned vsid : 24; /**< Virtual Segment ID */
58,27 → 53,9
unsigned pp : 2; /**< Page protection */
} phte_t;
 
typedef struct {
unsigned v : 1;
unsigned vsid : 24;
unsigned reserved0 : 1;
unsigned api : 6;
} ptehi_t;
 
typedef struct {
unsigned rpn : 20;
unsigned xpn : 3;
unsigned reserved0 : 1;
unsigned c : 1;
unsigned wimg : 4;
unsigned x : 1;
unsigned pp : 2;
} ptelo_t;
 
extern void pht_refill(int n, istate_t *istate);
extern bool pht_real_refill(int n, istate_t *istate) __attribute__ ((section("K_UNMAPPED_TEXT_START")));
extern void pht_init(void);
extern void pht_refill(int n, istate_t *istate);
extern bool pht_refill_real(int n, istate_t *istate) __attribute__ ((section("K_UNMAPPED_TEXT_START")));
extern void tlb_refill_real(int n, uint32_t tlbmiss, ptehi_t ptehi, ptelo_t ptelo, istate_t *istate) __attribute__ ((section("K_UNMAPPED_TEXT_START")));
 
#endif
 
/branches/arm/kernel/arch/ppc32/include/mm/frame.h
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc32mm
/** @addtogroup ppc32mm
* @{
*/
/** @file
35,13 → 35,13
#ifndef KERN_ppc32_FRAME_H_
#define KERN_ppc32_FRAME_H_
 
#define FRAME_WIDTH 12 /* 4K */
#define FRAME_SIZE (1 << FRAME_WIDTH)
#define FRAME_WIDTH 12 /* 4K */
#define FRAME_SIZE (1 << FRAME_WIDTH)
 
#ifdef KERNEL
#ifndef __ASM__
 
#include <arch/types.h>
#include <arch/types.h>
 
extern uintptr_t last_frame;
 
/branches/arm/kernel/arch/ppc32/include/barrier.h
55,7 → 55,6
"dcbst 0, %0\n"
"sync\n"
"icbi 0, %0\n"
"sync\n"
"isync\n"
:: "r" (addr)
);
77,10 → 76,7
asm volatile ("icbi 0, %0\n" :: "r" (addr + i));
}
 
asm volatile (
"sync\n"
"isync\n"
);
asm volatile ("isync");
}
 
#endif
/branches/arm/kernel/arch/ppc32/include/boot/boot.h
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc32
/** @addtogroup ppc32
* @{
*/
/** @file
35,24 → 35,21
#ifndef KERN_ppc32_BOOT_H_
#define KERN_ppc32_BOOT_H_
 
#define BOOT_OFFSET 0x8000
#define BOOT_OFFSET 0x8000
 
/* Temporary stack size for boot process */
#define TEMP_STACK_SIZE 0x1000
#define TEMP_STACK_SIZE 0x1000
 
#define TASKMAP_MAX_RECORDS 32
#define MEMMAP_MAX_RECORDS 32
#define TASKMAP_MAX_RECORDS 32
#define MEMMAP_MAX_RECORDS 32
 
#ifndef __ASM__
 
#define BOOTINFO_TASK_NAME_BUFLEN 32
 
#include <arch/types.h>
 
typedef struct {
uintptr_t addr;
uint32_t size;
char name[BOOTINFO_TASK_NAME_BUFLEN];
} utask_t;
 
typedef struct {
82,13 → 79,13
typedef struct {
uintptr_t addr;
unsigned int size;
} macio_t;
} keyboard_t;
 
typedef struct {
memmap_t memmap;
taskmap_t taskmap;
screen_t screen;
macio_t macio;
keyboard_t keyboard;
} bootinfo_t;
 
extern bootinfo_t bootinfo;
/branches/arm/kernel/arch/ppc32/include/drivers/cuda.h
0,0 → 1,49
/*
* Copyright (c) 2006 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc32
* @{
*/
/** @file
*/
 
#ifndef KERN_ppc32_CUDA_H_
#define KERN_ppc32_CUDA_H_
 
#include <arch/types.h>
#include <typedefs.h>
 
extern void cuda_init(devno_t devno, uintptr_t base, size_t size);
extern int cuda_get_scancode(void);
extern void cuda_grab(void);
extern void cuda_release(void);
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ppc32/include/drivers/pic.h
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc32
/** @addtogroup ppc32
* @{
*/
/** @file
36,7 → 36,6
#define KERN_ppc32_PIC_H_
 
#include <arch/types.h>
#include <ddi/irq.h>
 
#define PIC_PENDING_LOW 8
#define PIC_PENDING_HIGH 4
45,11 → 44,11
#define PIC_ACK_LOW 10
#define PIC_ACK_HIGH 6
 
extern void pic_init(uintptr_t base, size_t size, cir_t *cir, void **cir_arg);
extern void pic_enable_interrupt(inr_t intnum);
extern void pic_disable_interrupt(inr_t intnum);
extern void pic_ack_interrupt(void *arg, inr_t intnum);
extern int pic_get_pending(void);
void pic_init(uintptr_t base, size_t size);
void pic_enable_interrupt(int intnum);
void pic_disable_interrupt(int intnum);
void pic_ack_interrupt(int intnum);
int pic_get_pending(void);
 
#endif
 
/branches/arm/kernel/arch/ppc32/include/types.h
46,6 → 46,8
typedef unsigned long long uint64_t;
 
typedef uint32_t size_t;
typedef uint32_t count_t;
typedef uint32_t index_t;
 
typedef uint32_t uintptr_t;
typedef uint32_t pfn_t;
55,12 → 57,11
typedef uint32_t unative_t;
typedef int32_t native_t;
 
typedef struct {
} fncptr_t;
 
/**< Formats for uintptr_t, size_t */
/**< Formats for uintptr_t, size_t, count_t and index_t */
#define PRIp "x"
#define PRIs "u"
#define PRIc "u"
#define PRIi "u"
 
/**< Formats for (u)int8_t, (u)int16_t, (u)int32_t, (u)int64_t and (u)native_t */
#define PRId8 "d"
83,13 → 84,11
 
/** Page Table Entry. */
typedef struct {
unsigned present : 1; /**< Present bit. */
unsigned page_write_through : 1; /**< Write thought caching. */
unsigned page_cache_disable : 1; /**< No caching. */
unsigned accessed : 1; /**< Accessed bit. */
unsigned global : 1; /**< Global bit. */
unsigned valid : 1; /**< Valid content even if not present. */
unsigned pfn : 20; /**< Physical frame number. */
unsigned p : 1; /**< Present bit. */
unsigned a : 1; /**< Accessed bit. */
unsigned g : 1; /**< Global bit. */
unsigned valid : 1; /**< Valid content even if not present. */
unsigned pfn : 20; /**< Physical frame number. */
} pte_t;
 
#endif
/branches/arm/kernel/arch/ppc32/include/byteorder.h
0,0 → 1,43
/*
* Copyright (c) 2005 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc32
* @{
*/
/** @file
*/
 
#ifndef KERN_ppc32_BYTEORDER_H_
#define KERN_ppc32_BYTEORDER_H_
 
#define ARCH_IS_BIG_ENDIAN
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ppc32/include/arch.h
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc32
/** @addtogroup ppc32
* @{
*/
/** @file
35,7 → 35,7
#ifndef KERN_ppc32_ARCH_H_
#define KERN_ppc32_ARCH_H_
 
extern void arch_pre_main(void);
#include <arch/drivers/cuda.h>
 
#endif
 
/branches/arm/kernel/arch/ppc32/include/asm.h
36,7 → 36,6
#define KERN_ppc32_ASM_H_
 
#include <arch/types.h>
#include <typedefs.h>
#include <config.h>
 
/** Enable interrupts.
150,36 → 149,6
 
extern void userspace_asm(uintptr_t uspace_uarg, uintptr_t stack, uintptr_t entry);
 
static inline void pio_write_8(ioport8_t *port, uint8_t v)
{
*port = v;
}
 
static inline void pio_write_16(ioport16_t *port, uint16_t v)
{
*port = v;
}
 
static inline void pio_write_32(ioport32_t *port, uint32_t v)
{
*port = v;
}
 
static inline uint8_t pio_read_8(ioport8_t *port)
{
return *port;
}
 
static inline uint16_t pio_read_16(ioport16_t *port)
{
return *port;
}
 
static inline uint32_t pio_read_32(ioport32_t *port)
{
return *port;
}
 
#endif
 
/** @}
/branches/arm/kernel/arch/ppc32/Makefile.inc
29,6 → 29,10
## Toolchain configuration
#
 
ifndef CROSS_PREFIX
CROSS_PREFIX = /usr/local
endif
 
BFD_NAME = elf32-powerpc
BFD_ARCH = powerpc:common
BFD = binary
39,24 → 43,46
AFLAGS += -a32
LFLAGS += -no-check-sections -N
 
BITS = 32
ENDIANESS = BE
DEFS += -D__32_BITS__
 
## Own configuration directives
#
 
CONFIG_FB = y
 
## Compile with hierarchical page tables support.
#
 
CONFIG_PAGE_PT = y
DEFS += -DCONFIG_PAGE_PT
 
## Compile with support for address space identifiers.
#
 
CONFIG_ASID = y
CONFIG_ASID_FIFO = y
 
## Compile with support for software integer division.
#
 
CONFIG_SOFTINT = y
 
ARCH_SOURCES = \
arch/$(KARCH)/src/context.S \
arch/$(KARCH)/src/debug/panic.s \
arch/$(KARCH)/src/fpu_context.S \
arch/$(KARCH)/src/boot/boot.S \
arch/$(KARCH)/src/ppc32.c \
arch/$(KARCH)/src/dummy.s \
arch/$(KARCH)/src/exception.S \
arch/$(KARCH)/src/interrupt.c \
arch/$(KARCH)/src/asm.S \
arch/$(KARCH)/src/cpu/cpu.c \
arch/$(KARCH)/src/proc/scheduler.c \
arch/$(KARCH)/src/ddi/ddi.c \
arch/$(KARCH)/src/mm/as.c \
arch/$(KARCH)/src/mm/frame.c \
arch/$(KARCH)/src/mm/page.c \
arch/$(KARCH)/src/mm/tlb.c \
arch/$(KARCH)/src/drivers/pic.c
arch/$(ARCH)/src/context.S \
arch/$(ARCH)/src/debug/panic.s \
arch/$(ARCH)/src/fpu_context.S \
arch/$(ARCH)/src/boot/boot.S \
arch/$(ARCH)/src/ppc32.c \
arch/$(ARCH)/src/dummy.s \
arch/$(ARCH)/src/exception.S \
arch/$(ARCH)/src/interrupt.c \
arch/$(ARCH)/src/asm.S \
arch/$(ARCH)/src/cpu/cpu.c \
arch/$(ARCH)/src/proc/scheduler.c \
arch/$(ARCH)/src/ddi/ddi.c \
arch/$(ARCH)/src/drivers/cuda.c \
arch/$(ARCH)/src/mm/as.c \
arch/$(ARCH)/src/mm/frame.c \
arch/$(ARCH)/src/mm/page.c \
arch/$(ARCH)/src/mm/tlb.c \
arch/$(ARCH)/src/drivers/pic.c
/branches/arm/kernel/arch/ppc32/src/asm.S
34,7 → 34,6
.global iret
.global iret_syscall
.global memsetb
.global memsetw
.global memcpy
.global memcpy_from_uspace
.global memcpy_to_uspace
67,9 → 66,9
mr sp, r4
 
# %r6 is defined to hold pcb_ptr - set it to 0
# %r3 is defined to hold pcb_ptr - set it to 0
 
xor r6, r6, r6
xor r3, r3, r3
# jump to userspace
132,8 → 131,8
lwz r12, 148(sp)
mtxer r12
lwz r12, 156(sp)
lwz sp, 160(sp)
lwz r12, 152(sp)
lwz sp, 156(sp)
rfi
 
198,17 → 197,14
lwz r12, 148(sp)
mtxer r12
lwz r12, 156(sp)
lwz sp, 160(sp)
lwz r12, 152(sp)
lwz sp, 156(sp)
 
rfi
 
memsetb:
b _memsetb
 
memsetw:
b _memsetw
 
memcpy:
memcpy_from_uspace:
memcpy_to_uspace:
/branches/arm/kernel/arch/ppc32/src/mm/tlb.c
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc32mm
/** @addtogroup ppc32mm
* @{
*/
/** @file
35,22 → 35,12
#include <mm/tlb.h>
#include <arch/mm/tlb.h>
#include <arch/interrupt.h>
#include <interrupt.h>
#include <mm/as.h>
#include <arch.h>
#include <print.h>
#include <macros.h>
#include <symtab.h>
 
static unsigned int seed = 10;
static unsigned int seed_real __attribute__ ((section("K_UNMAPPED_DATA_START"))) = 42;
 
 
#define TLB_FLUSH \
"tlbie %0\n" \
"addi %0, %0, 0x1000\n"
 
 
/** Try to find PTE for faulting address
*
* Try to find PTE for faulting address.
75,7 → 65,7
* Check if the mapping exists in page tables.
*/
pte_t *pte = page_mapping_find(as, badvaddr);
if ((pte) && (pte->present)) {
if ((pte) && (pte->p)) {
/*
* Mapping found in page tables.
* Immediately succeed.
97,7 → 87,7
*/
page_table_lock(as, lock);
pte = page_mapping_find(as, badvaddr);
ASSERT((pte) && (pte->present));
ASSERT((pte) && (pte->p));
*pfrc = 0;
return pte;
case AS_PF_DEFER:
106,10 → 96,11
return NULL;
case AS_PF_FAULT:
page_table_lock(as, lock);
printf("Page fault.\n");
*pfrc = rc;
return NULL;
default:
panic("Unexpected rc (%d).", rc);
panic("unexpected rc (%d)\n", rc);
}
}
}
117,20 → 108,21
 
static void pht_refill_fail(uintptr_t badvaddr, istate_t *istate)
{
char *symbol;
char *sym2;
char *symbol = "";
char *sym2 = "";
 
symbol = symtab_fmt_name_lookup(istate->pc);
sym2 = symtab_fmt_name_lookup(istate->lr);
 
fault_if_from_uspace(istate,
"PHT Refill Exception on %p.", badvaddr);
panic("%p: PHT Refill Exception at %p (%s<-%s).", badvaddr,
char *s = get_symtab_entry(istate->pc);
if (s)
symbol = s;
s = get_symtab_entry(istate->lr);
if (s)
sym2 = s;
panic("%p: PHT Refill Exception at %p (%s<-%s)\n", badvaddr,
istate->pc, symbol, sym2);
}
 
 
static void pht_insert(const uintptr_t vaddr, const pte_t *pte)
static void pht_insert(const uintptr_t vaddr, const pfn_t pfn)
{
uint32_t page = (vaddr >> 12) & 0xffff;
uint32_t api = (vaddr >> 22) & 0x3f;
156,12 → 148,11
uint32_t i;
bool found = false;
/* Find colliding PTE in PTEG */
/* Find unused or colliding
PTE in PTEG */
for (i = 0; i < 8; i++) {
if ((phte[base + i].v)
&& (phte[base + i].vsid == vsid)
&& (phte[base + i].api == api)
&& (phte[base + i].h == 0)) {
if ((!phte[base + i].v) || ((phte[base + i].vsid == vsid) &&
(phte[base + i].api == api))) {
found = true;
break;
}
168,25 → 159,86
}
if (!found) {
/* Find unused PTE in PTEG */
/* Secondary hash (not) */
uint32_t base2 = (~hash & 0x3ff) << 3;
/* Find unused or colliding
PTE in PTEG */
for (i = 0; i < 8; i++) {
if (!phte[base + i].v) {
if ((!phte[base2 + i].v) ||
((phte[base2 + i].vsid == vsid) &&
(phte[base2 + i].api == api))) {
found = true;
base = base2;
h = 1;
break;
}
}
if (!found) {
// TODO: A/C precedence groups
i = page % 8;
}
}
phte[base + i].v = 1;
phte[base + i].vsid = vsid;
phte[base + i].h = h;
phte[base + i].api = api;
phte[base + i].rpn = pfn;
phte[base + i].r = 0;
phte[base + i].c = 0;
phte[base + i].pp = 2; // FIXME
}
 
 
static void pht_real_insert(const uintptr_t vaddr, const pfn_t pfn)
{
uint32_t page = (vaddr >> 12) & 0xffff;
uint32_t api = (vaddr >> 22) & 0x3f;
uint32_t vsid;
asm volatile (
"mfsrin %0, %1\n"
: "=r" (vsid)
: "r" (vaddr)
);
uint32_t sdr1;
asm volatile (
"mfsdr1 %0\n"
: "=r" (sdr1)
);
phte_t *phte_physical = (phte_t *) (sdr1 & 0xffff0000);
/* Primary hash (xor) */
uint32_t h = 0;
uint32_t hash = vsid ^ page;
uint32_t base = (hash & 0x3ff) << 3;
uint32_t i;
bool found = false;
/* Find unused or colliding
PTE in PTEG */
for (i = 0; i < 8; i++) {
if ((!phte_physical[base + i].v) ||
((phte_physical[base + i].vsid == vsid) &&
(phte_physical[base + i].api == api))) {
found = true;
break;
}
}
if (!found) {
/* Secondary hash (not) */
uint32_t base2 = (~hash & 0x3ff) << 3;
/* Find colliding PTE in PTEG */
/* Find unused or colliding
PTE in PTEG */
for (i = 0; i < 8; i++) {
if ((phte[base2 + i].v)
&& (phte[base2 + i].vsid == vsid)
&& (phte[base2 + i].api == api)
&& (phte[base2 + i].h == 1)) {
if ((!phte_physical[base2 + i].v) ||
((phte_physical[base2 + i].vsid == vsid) &&
(phte_physical[base2 + i].api == api))) {
found = true;
base = base2;
h = 1;
195,37 → 247,26
}
if (!found) {
/* Find unused PTE in PTEG */
for (i = 0; i < 8; i++) {
if (!phte[base2 + i].v) {
found = true;
base = base2;
h = 1;
break;
}
}
// TODO: A/C precedence groups
i = page % 8;
}
if (!found)
i = RANDI(seed) % 8;
}
phte[base + i].v = 1;
phte[base + i].vsid = vsid;
phte[base + i].h = h;
phte[base + i].api = api;
phte[base + i].rpn = pte->pfn;
phte[base + i].r = 0;
phte[base + i].c = 0;
phte[base + i].wimg = (pte->page_cache_disable ? WIMG_NO_CACHE : 0);
phte[base + i].pp = 2; // FIXME
phte_physical[base + i].v = 1;
phte_physical[base + i].vsid = vsid;
phte_physical[base + i].h = h;
phte_physical[base + i].api = api;
phte_physical[base + i].rpn = pfn;
phte_physical[base + i].r = 0;
phte_physical[base + i].c = 0;
phte_physical[base + i].pp = 2; // FIXME
}
 
 
/** Process Instruction/Data Storage Exception
/** Process Instruction/Data Storage Interrupt
*
* @param n Exception vector number.
* @param istate Interrupted register context.
* @param n Interrupt vector number.
* @param istate Interrupted register context.
*
*/
void pht_refill(int n, istate_t *istate)
244,9 → 285,12
lock = true;
}
if (n == VECTOR_DATA_STORAGE)
badvaddr = istate->dar;
else
if (n == VECTOR_DATA_STORAGE) {
asm volatile (
"mfdar %0\n"
: "=r" (badvaddr)
);
} else
badvaddr = istate->pc;
page_table_lock(as, lock);
266,12 → 310,12
page_table_unlock(as, lock);
return;
default:
panic("Unexpected pfrc (%d).", pfrc);
panic("Unexpected pfrc (%d)\n", pfrc);
}
}
pte->accessed = 1; /* Record access to PTE */
pht_insert(badvaddr, pte);
pte->a = 1; /* Record access to PTE */
pht_insert(badvaddr, pte->pfn);
page_table_unlock(as, lock);
return;
282,19 → 326,22
}
 
 
/** Process Instruction/Data Storage Exception in Real Mode
/** Process Instruction/Data Storage Interrupt in Real Mode
*
* @param n Exception vector number.
* @param istate Interrupted register context.
* @param n Interrupt vector number.
* @param istate Interrupted register context.
*
*/
bool pht_refill_real(int n, istate_t *istate)
bool pht_real_refill(int n, istate_t *istate)
{
uintptr_t badvaddr;
if (n == VECTOR_DATA_STORAGE)
badvaddr = istate->dar;
else
if (n == VECTOR_DATA_STORAGE) {
asm volatile (
"mfdar %0\n"
: "=r" (badvaddr)
);
} else
badvaddr = istate->pc;
uint32_t physmem;
303,140 → 350,15
: "=r" (physmem)
);
if ((badvaddr < PA2KA(0)) || (badvaddr >= PA2KA(physmem)))
return false;
uint32_t page = (badvaddr >> 12) & 0xffff;
uint32_t api = (badvaddr >> 22) & 0x3f;
uint32_t vsid;
asm volatile (
"mfsrin %0, %1\n"
: "=r" (vsid)
: "r" (badvaddr)
);
uint32_t sdr1;
asm volatile (
"mfsdr1 %0\n"
: "=r" (sdr1)
);
phte_t *phte_real = (phte_t *) (sdr1 & 0xffff0000);
/* Primary hash (xor) */
uint32_t h = 0;
uint32_t hash = vsid ^ page;
uint32_t base = (hash & 0x3ff) << 3;
uint32_t i;
bool found = false;
/* Find colliding PTE in PTEG */
for (i = 0; i < 8; i++) {
if ((phte_real[base + i].v)
&& (phte_real[base + i].vsid == vsid)
&& (phte_real[base + i].api == api)
&& (phte_real[base + i].h == 0)) {
found = true;
break;
}
if ((badvaddr >= PA2KA(0)) && (badvaddr < PA2KA(physmem))) {
pht_real_insert(badvaddr, KA2PA(badvaddr) >> 12);
return true;
}
if (!found) {
/* Find unused PTE in PTEG */
for (i = 0; i < 8; i++) {
if (!phte_real[base + i].v) {
found = true;
break;
}
}
}
if (!found) {
/* Secondary hash (not) */
uint32_t base2 = (~hash & 0x3ff) << 3;
/* Find colliding PTE in PTEG */
for (i = 0; i < 8; i++) {
if ((phte_real[base2 + i].v)
&& (phte_real[base2 + i].vsid == vsid)
&& (phte_real[base2 + i].api == api)
&& (phte_real[base2 + i].h == 1)) {
found = true;
base = base2;
h = 1;
break;
}
}
if (!found) {
/* Find unused PTE in PTEG */
for (i = 0; i < 8; i++) {
if (!phte_real[base2 + i].v) {
found = true;
base = base2;
h = 1;
break;
}
}
}
if (!found) {
/* Use secondary hash to avoid collisions
with usual PHT refill handler. */
i = RANDI(seed_real) % 8;
base = base2;
h = 1;
}
}
phte_real[base + i].v = 1;
phte_real[base + i].vsid = vsid;
phte_real[base + i].h = h;
phte_real[base + i].api = api;
phte_real[base + i].rpn = KA2PA(badvaddr) >> 12;
phte_real[base + i].r = 0;
phte_real[base + i].c = 0;
phte_real[base + i].wimg = 0;
phte_real[base + i].pp = 2; // FIXME
return true;
return false;
}
 
 
/** Process ITLB/DTLB Miss Exception in Real Mode
*
*
*/
void tlb_refill_real(int n, uint32_t tlbmiss, ptehi_t ptehi, ptelo_t ptelo, istate_t *istate)
{
uint32_t badvaddr = tlbmiss & 0xfffffffc;
uint32_t physmem;
asm volatile (
"mfsprg3 %0\n"
: "=r" (physmem)
);
if ((badvaddr < PA2KA(0)) || (badvaddr >= PA2KA(physmem)))
return; // FIXME
ptelo.rpn = KA2PA(badvaddr) >> 12;
ptelo.wimg = 0;
ptelo.pp = 2; // FIXME
uint32_t index = 0;
asm volatile (
"mtspr 981, %0\n"
"mtspr 982, %1\n"
"tlbld %2\n"
"tlbli %2\n"
: "=r" (index)
: "r" (ptehi),
"r" (ptelo)
);
}
 
 
void tlb_arch_init(void)
{
tlb_invalidate_all();
445,87 → 367,9
 
void tlb_invalidate_all(void)
{
uint32_t index;
asm volatile (
"li %0, 0\n"
"sync\n"
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
TLB_FLUSH
"eieio\n"
"tlbia\n"
"tlbsync\n"
"sync\n"
: "=r" (index)
);
}
 
549,7 → 393,7
}
 
 
void tlb_invalidate_pages(asid_t asid, uintptr_t page, size_t cnt)
void tlb_invalidate_pages(asid_t asid, uintptr_t page, count_t cnt)
{
// TODO
tlb_invalidate_all();
594,7 → 438,7
: "=r" (vsid)
: "r" (sr << 28)
);
printf("sr[%02u]: vsid=%.*p (asid=%u)%s%s\n", sr,
printf("vsid[%d]: VSID=%.*p (ASID=%d)%s%s\n", sr,
sizeof(vsid) * 2, vsid & 0xffffff, (vsid & 0xffffff) >> 4,
((vsid >> 30) & 1) ? " supervisor" : "",
((vsid >> 29) & 1) ? " user" : "");
/branches/arm/kernel/arch/ppc32/src/mm/page.c
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc32mm
/** @addtogroup ppc32mm
* @{
*/
/** @file
49,7 → 49,7
{
if (last_frame + ALIGN_UP(size, PAGE_SIZE) >
KA2PA(KERNEL_ADDRESS_SPACE_END_ARCH))
panic("Unable to map physical memory %p (%" PRIs " bytes).",
panic("Unable to map physical memory %p (%" PRIs " bytes)",
physaddr, size)
uintptr_t virtaddr = PA2KA(last_frame);
/branches/arm/kernel/arch/ppc32/src/mm/frame.c
57,7 → 57,7
void frame_arch_init(void)
{
pfn_t minconf = 2;
size_t i;
count_t i;
pfn_t start, conf;
size_t size;
74,7 → 74,7
if (last_frame < ALIGN_UP(bootinfo.memmap.zones[i].start + bootinfo.memmap.zones[i].size, FRAME_SIZE))
last_frame = ALIGN_UP(bootinfo.memmap.zones[i].start + bootinfo.memmap.zones[i].size, FRAME_SIZE);
}
 
/* First is exception vector, second is 'implementation specific',
third and fourth is reserved, other contain real mode code */
frame_mark_unavailable(0, 8);
/branches/arm/kernel/arch/ppc32/src/interrupt.c
60,6 → 60,7
int inum;
while ((inum = pic_get_pending()) != -1) {
bool ack = false;
irq_t *irq = irq_dispatch_and_lock(inum);
if (irq) {
/*
68,17 → 69,11
if (irq->preack) {
/* Acknowledge the interrupt before processing */
if (irq->cir)
irq->cir(irq->cir_arg, irq->inr);
pic_ack_interrupt(inum);
ack = true;
}
irq->handler(irq);
if (!irq->preack) {
if (irq->cir)
irq->cir(irq->cir_arg, irq->inr);
}
irq->handler(irq, irq->arg);
spinlock_unlock(&irq->lock);
} else {
/*
88,6 → 83,9
printf("cpu%u: spurious interrupt (inum=%d)\n", CPU->id, inum);
#endif
}
if (!ack)
pic_ack_interrupt(inum);
}
}
 
94,8 → 92,8
 
static void exception_decrementer(int n, istate_t *istate)
{
clock();
start_decrementer();
clock();
}
 
 
/branches/arm/kernel/arch/ppc32/src/ppc32.c
35,8 → 35,7
#include <config.h>
#include <arch.h>
#include <arch/boot/boot.h>
#include <genarch/drivers/via-cuda/cuda.h>
#include <genarch/kbrd/kbrd.h>
#include <arch/drivers/cuda.h>
#include <arch/interrupt.h>
#include <genarch/fb/fb.h>
#include <genarch/fb/visuals.h>
43,29 → 42,24
#include <userspace.h>
#include <proc/uarg.h>
#include <console/console.h>
#include <ddi/device.h>
#include <ddi/irq.h>
#include <arch/drivers/pic.h>
#include <align.h>
#include <macros.h>
#include <string.h>
 
#define IRQ_COUNT 64
#define IRQ_CUDA 10
#define IRQ_COUNT 64
 
bootinfo_t bootinfo;
 
/** Performs ppc32-specific initialization before main_bsp() is called. */
void arch_pre_main(void)
{
/* Setup usermode */
init.cnt = bootinfo.taskmap.count;
uint32_t i;
for (i = 0; i < min3(bootinfo.taskmap.count, TASKMAP_MAX_RECORDS, CONFIG_INIT_TASKS); i++) {
for (i = 0; i < bootinfo.taskmap.count; i++) {
init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);
init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
str_cpy(init.tasks[i].name, CONFIG_TASK_NAME_BUFLEN,
bootinfo.taskmap.tasks[i].name);
}
}
 
81,43 → 75,36
void arch_post_mm_init(void)
{
if (config.cpu_active == 1) {
 
#ifdef CONFIG_FB
/* Initialize framebuffer */
if (bootinfo.screen.addr) {
unsigned int visual;
switch (bootinfo.screen.bpp) {
case 8:
visual = VISUAL_INDIRECT_8;
break;
case 16:
visual = VISUAL_RGB_5_5_5;
break;
case 24:
visual = VISUAL_RGB_8_8_8;
break;
case 32:
visual = VISUAL_RGB_0_8_8_8;
break;
default:
panic("Unsupported bits per pixel.");
}
fb_properties_t prop = {
.addr = bootinfo.screen.addr,
.offset = 0,
.x = bootinfo.screen.width,
.y = bootinfo.screen.height,
.scan = bootinfo.screen.scanline,
.visual = visual,
};
fb_init(&prop);
unsigned int visual;
switch (bootinfo.screen.bpp) {
case 8:
visual = VISUAL_INDIRECT_8;
break;
case 16:
visual = VISUAL_RGB_5_5_5;
break;
case 24:
visual = VISUAL_RGB_8_8_8;
break;
case 32:
visual = VISUAL_RGB_0_8_8_8;
break;
default:
panic("Unsupported bits per pixel");
}
#endif
fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.scanline, visual);
/* Initialize IRQ routing */
irq_init(IRQ_COUNT, IRQ_COUNT);
/* Initialize PIC */
pic_init(bootinfo.keyboard.addr, PAGE_SIZE);
/* Initialize I/O controller */
cuda_init(device_assign_devno(), bootinfo.keyboard.addr + 0x16000, 2 * PAGE_SIZE);
/* Merge all zones to 1 big zone */
zone_merge_all();
}
133,35 → 120,6
 
void arch_post_smp_init(void)
{
if (bootinfo.macio.addr) {
/* Initialize PIC */
cir_t cir;
void *cir_arg;
pic_init(bootinfo.macio.addr, PAGE_SIZE, &cir, &cir_arg);
 
#ifdef CONFIG_MAC_KBD
uintptr_t pa = bootinfo.macio.addr + 0x16000;
uintptr_t aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE);
size_t offset = pa - aligned_addr;
size_t size = 2 * PAGE_SIZE;
cuda_t *cuda = (cuda_t *)
(hw_map(aligned_addr, offset + size) + offset);
/* Initialize I/O controller */
cuda_instance_t *cuda_instance =
cuda_init(cuda, IRQ_CUDA, cir, cir_arg);
if (cuda_instance) {
kbrd_instance_t *kbrd_instance = kbrd_init();
if (kbrd_instance) {
indev_t *sink = stdin_wire();
indev_t *kbrd = kbrd_wire(kbrd_instance, sink);
cuda_wire(cuda_instance, kbrd);
pic_enable_interrupt(IRQ_CUDA);
}
}
#endif
}
}
 
void calibrate_delay_loop(void)
170,13 → 128,11
 
void userspace(uspace_arg_t *kernel_uarg)
{
userspace_asm((uintptr_t) kernel_uarg->uspace_uarg,
(uintptr_t) kernel_uarg->uspace_stack +
THREAD_STACK_SIZE - SP_DELTA,
(uintptr_t) kernel_uarg->uspace_entry);
userspace_asm((uintptr_t) kernel_uarg->uspace_uarg, (uintptr_t) kernel_uarg->uspace_stack + THREAD_STACK_SIZE - SP_DELTA, (uintptr_t) kernel_uarg->uspace_entry);
/* Unreachable */
while (true);
for (;;)
;
}
 
/** Acquire console back for kernel
184,9 → 140,7
*/
void arch_grab_console(void)
{
#ifdef CONFIG_FB
fb_redraw();
#endif
cuda_grab();
}
 
/** Return console to userspace
194,27 → 148,8
*/
void arch_release_console(void)
{
cuda_release();
}
 
/** Construct function pointer
*
* @param fptr function pointer structure
* @param addr function address
* @param caller calling function address
*
* @return address of the function pointer
*
*/
void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller)
{
return addr;
}
 
void arch_reboot(void)
{
// TODO
while (1);
}
 
/** @}
*/
/branches/arm/kernel/arch/ppc32/src/drivers/cuda.c
0,0 → 1,355
/*
* Copyright (c) 2006 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc32
* @{
*/
/** @file
*/
 
#include <arch/drivers/cuda.h>
#include <ipc/irq.h>
#include <arch/asm.h>
#include <console/console.h>
#include <console/chardev.h>
#include <arch/drivers/pic.h>
#include <sysinfo/sysinfo.h>
#include <interrupt.h>
#include <stdarg.h>
 
#define CUDA_IRQ 10
#define SPECIAL '?'
 
#define PACKET_ADB 0x00
#define PACKET_CUDA 0x01
 
#define CUDA_POWERDOWN 0x0a
#define CUDA_RESET 0x11
 
#define RS 0x200
#define B (0 * RS)
#define A (1 * RS)
#define SR (10 * RS)
#define ACR (11 * RS)
 
#define SR_OUT 0x10
#define TACK 0x10
#define TIP 0x20
 
 
static volatile uint8_t *cuda = NULL;
static irq_t cuda_irq; /**< Cuda's IRQ. */
 
static char lchars[0x80] = {
'a',
's',
'd',
'f',
'h',
'g',
'z',
'x',
'c',
'v',
SPECIAL,
'b',
'q',
'w',
'e',
'r',
'y',
't',
'1',
'2',
'3',
'4',
'6',
'5',
'=',
'9',
'7',
'-',
'8',
'0',
']',
'o',
'u',
'[',
'i',
'p',
'\n', /* Enter */
'l',
'j',
'\'',
'k',
';',
'\\',
',',
'/',
'n',
'm',
'.',
'\t', /* Tab */
' ',
'`',
'\b', /* Backspace */
SPECIAL,
SPECIAL, /* Escape */
SPECIAL, /* Ctrl */
SPECIAL, /* Alt */
SPECIAL, /* Shift */
SPECIAL, /* Caps-Lock */
SPECIAL, /* RAlt */
SPECIAL, /* Left */
SPECIAL, /* Right */
SPECIAL, /* Down */
SPECIAL, /* Up */
SPECIAL,
SPECIAL,
'.', /* Keypad . */
SPECIAL,
'*', /* Keypad * */
SPECIAL,
'+', /* Keypad + */
SPECIAL,
SPECIAL, /* NumLock */
SPECIAL,
SPECIAL,
SPECIAL,
'/', /* Keypad / */
'\n', /* Keypad Enter */
SPECIAL,
'-', /* Keypad - */
SPECIAL,
SPECIAL,
SPECIAL,
'0', /* Keypad 0 */
'1', /* Keypad 1 */
'2', /* Keypad 2 */
'3', /* Keypad 3 */
'4', /* Keypad 4 */
'5', /* Keypad 5 */
'6', /* Keypad 6 */
'7', /* Keypad 7 */
SPECIAL,
'8', /* Keypad 8 */
'9', /* Keypad 9 */
SPECIAL,
SPECIAL,
SPECIAL,
SPECIAL, /* F5 */
SPECIAL, /* F6 */
SPECIAL, /* F7 */
SPECIAL, /* F3 */
SPECIAL, /* F8 */
SPECIAL, /* F9 */
SPECIAL,
SPECIAL, /* F11 */
SPECIAL,
SPECIAL, /* F13 */
SPECIAL,
SPECIAL, /* ScrollLock */
SPECIAL,
SPECIAL, /* F10 */
SPECIAL,
SPECIAL, /* F12 */
SPECIAL,
SPECIAL, /* Pause */
SPECIAL, /* Insert */
SPECIAL, /* Home */
SPECIAL, /* PageUp */
SPECIAL, /* Delete */
SPECIAL, /* F4 */
SPECIAL, /* End */
SPECIAL, /* F2 */
SPECIAL, /* PageDown */
SPECIAL /* F1 */
};
 
 
static void receive_packet(uint8_t *kind, index_t count, uint8_t data[])
{
cuda[B] = cuda[B] & ~TIP;
*kind = cuda[SR];
index_t i;
for (i = 0; i < count; i++)
data[i] = cuda[SR];
cuda[B] = cuda[B] | TIP;
}
 
 
/* Called from getc(). */
static void cuda_resume(chardev_t *d)
{
}
 
 
/* Called from getc(). */
static void cuda_suspend(chardev_t *d)
{
}
 
 
static char key_read(chardev_t *d)
{
char ch;
ch = 0;
return ch;
}
 
 
static chardev_t kbrd;
static chardev_operations_t ops = {
.suspend = cuda_suspend,
.resume = cuda_resume,
.read = key_read
};
 
 
int cuda_get_scancode(void)
{
uint8_t kind;
uint8_t data[4];
receive_packet(&kind, 4, data);
if ((kind == PACKET_ADB) && (data[0] == 0x40) && (data[1] == 0x2c))
return data[2];
return -1;
}
 
static void cuda_irq_handler(irq_t *irq, void *arg, ...)
{
if ((irq->notif_cfg.notify) && (irq->notif_cfg.answerbox))
ipc_irq_send_notif(irq);
else {
int scan_code = cuda_get_scancode();
if (scan_code != -1) {
uint8_t scancode = (uint8_t) scan_code;
if ((scancode & 0x80) != 0x80)
chardev_push_character(&kbrd, lchars[scancode & 0x7f]);
}
}
}
 
static irq_ownership_t cuda_claim(void)
{
return IRQ_ACCEPT;
}
 
 
/** Initialize keyboard and service interrupts using kernel routine */
void cuda_grab(void)
{
ipl_t ipl = interrupts_disable();
spinlock_lock(&cuda_irq.lock);
cuda_irq.notif_cfg.notify = false;
spinlock_unlock(&cuda_irq.lock);
interrupts_restore(ipl);
}
 
 
/** Resume the former interrupt vector */
void cuda_release(void)
{
ipl_t ipl = interrupts_disable();
spinlock_lock(&cuda_irq.lock);
if (cuda_irq.notif_cfg.answerbox)
cuda_irq.notif_cfg.notify = true;
spinlock_unlock(&cuda_irq.unlock);
interrupts_restore(ipl);
}
 
 
void cuda_init(devno_t devno, uintptr_t base, size_t size)
{
cuda = (uint8_t *) hw_map(base, size);
chardev_initialize("cuda_kbd", &kbrd, &ops);
stdin = &kbrd;
irq_initialize(&cuda_irq);
cuda_irq.devno = devno;
cuda_irq.inr = CUDA_IRQ;
cuda_irq.claim = cuda_claim;
cuda_irq.handler = cuda_irq_handler;
irq_register(&cuda_irq);
pic_enable_interrupt(CUDA_IRQ);
 
sysinfo_set_item_val("kbd", NULL, true);
sysinfo_set_item_val("kbd.devno", NULL, devno);
sysinfo_set_item_val("kbd.inr", NULL, CUDA_IRQ);
sysinfo_set_item_val("kbd.address.virtual", NULL, base);
}
 
 
static void send_packet(const uint8_t kind, count_t count, ...)
{
index_t i;
va_list va;
cuda[B] = cuda[B] | TIP;
cuda[ACR] = cuda[ACR] | SR_OUT;
cuda[SR] = kind;
cuda[B] = cuda[B] & ~TIP;
va_start(va, count);
for (i = 0; i < count; i++) {
cuda[ACR] = cuda[ACR] | SR_OUT;
cuda[SR] = va_arg(va, int);
cuda[B] = cuda[B] | TACK;
}
va_end(va);
cuda[B] = cuda[B] | TIP;
}
 
 
void cpu_halt(void) {
asm volatile (
"b 0\n"
);
}
 
void arch_reboot(void) {
send_packet(PACKET_CUDA, 1, CUDA_RESET);
asm volatile (
"b 0\n"
);
}
 
/** @}
*/
/branches/arm/kernel/arch/ppc32/src/drivers/pic.c
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc32
/** @addtogroup ppc32
* @{
*/
/** @file
38,61 → 38,53
#include <byteorder.h>
#include <bitops.h>
 
static volatile uint32_t *pic = NULL;
static volatile uint32_t *pic;
 
void pic_init(uintptr_t base, size_t size, cir_t *cir, void **cir_arg)
void pic_init(uintptr_t base, size_t size)
{
pic = (uint32_t *) hw_map(base, size);
*cir = pic_ack_interrupt;
*cir_arg = NULL;
}
 
void pic_enable_interrupt(inr_t intnum)
void pic_enable_interrupt(int intnum)
{
if (pic) {
if (intnum < 32)
pic[PIC_MASK_LOW] = pic[PIC_MASK_LOW] | (1 << intnum);
else
pic[PIC_MASK_HIGH] = pic[PIC_MASK_HIGH] | (1 << (intnum - 32));
if (intnum < 32) {
pic[PIC_MASK_LOW] = pic[PIC_MASK_LOW] | (1 << intnum);
} else {
pic[PIC_MASK_HIGH] = pic[PIC_MASK_HIGH] | (1 << (intnum - 32));
}
}
 
void pic_disable_interrupt(inr_t intnum)
void pic_disable_interrupt(int intnum)
{
if (pic) {
if (intnum < 32)
pic[PIC_MASK_LOW] = pic[PIC_MASK_LOW] & (~(1 << intnum));
else
pic[PIC_MASK_HIGH] = pic[PIC_MASK_HIGH] & (~(1 << (intnum - 32)));
if (intnum < 32) {
pic[PIC_MASK_LOW] = pic[PIC_MASK_LOW] & (~(1 << intnum));
} else {
pic[PIC_MASK_HIGH] = pic[PIC_MASK_HIGH] & (~(1 << (intnum - 32)));
}
}
 
void pic_ack_interrupt(void *arg, inr_t intnum)
void pic_ack_interrupt(int intnum)
{
if (pic) {
if (intnum < 32)
pic[PIC_ACK_LOW] = 1 << intnum;
else
pic[PIC_ACK_HIGH] = 1 << (intnum - 32);
}
if (intnum < 32)
pic[PIC_ACK_LOW] = 1 << intnum;
else
pic[PIC_ACK_HIGH] = 1 << (intnum - 32);
}
 
/** Return number of pending interrupt */
int pic_get_pending(void)
{
if (pic) {
int pending;
pending = pic[PIC_PENDING_LOW];
if (pending)
return fnzb32(pending);
pending = pic[PIC_PENDING_HIGH];
if (pending)
return fnzb32(pending) + 32;
}
int pending;
 
pending = pic[PIC_PENDING_LOW];
if (pending)
return fnzb32(pending);
pending = pic[PIC_PENDING_HIGH];
if (pending)
return fnzb32(pending) + 32;
return -1;
}
 
/branches/arm/kernel/arch/ppc32/src/exception.S
60,7 → 60,7
2:
subi sp, sp, 164
subi sp, sp, 160
stw r0, 8(sp)
stw r2, 12(sp)
stw r3, 16(sp)
109,14 → 109,11
mfxer r12
stw r12, 148(sp)
mfdar r12
mfsprg1 r12
stw r12, 152(sp)
mfsprg1 r12
mfsprg2 r12
stw r12, 156(sp)
mfsprg2 r12
stw r12, 160(sp)
.endm
 
.org 0x100
140,7 → 137,16
exc_data_storage:
CONTEXT_STORE
b data_storage
li r3, 2
mr r4, sp
addi r4, r4, 8
bl pht_real_refill
cmpwi r3, 0
bne iret_real
li r3, 2
b jump_to_kernel
 
.org 0x400
.global exc_instruction_storage
147,8 → 153,17
exc_instruction_storage:
CONTEXT_STORE
b instruction_storage
li r3, 3
mr r4, sp
addi r4, r4, 8
bl pht_real_refill
cmpwi r3, 0
bne iret_real
 
li r3, 3
b jump_to_kernel
 
.org 0x500
.global exc_external
exc_external:
208,7 → 223,7
.org 0xc00
.global exc_syscall
exc_syscall:
CONTEXT_STORE
CONTEXT_STORE
b jump_to_kernel_syscall
 
220,63 → 235,7
li r3, 12
b jump_to_kernel
 
.org 0x1000
.global exc_itlb_miss
exc_itlb_miss:
CONTEXT_STORE
b tlb_miss
 
.org 0x1100
.global exc_dtlb_miss_load
exc_dtlb_miss_load:
CONTEXT_STORE
b tlb_miss
 
.org 0x1200
.global exc_dtlb_miss_store
exc_dtlb_miss_store:
CONTEXT_STORE
b tlb_miss
 
.org 0x4000
data_storage:
li r3, 2
mr r4, sp
addi r4, r4, 8
bl pht_refill_real
cmpwi r3, 0
bne iret_real
li r3, 2
b jump_to_kernel
 
instruction_storage:
li r3, 3
mr r4, sp
addi r4, r4, 8
bl pht_refill_real
cmpwi r3, 0
bne iret_real
li r3, 3
b jump_to_kernel
 
tlb_miss:
li r3, 16
mfspr r4, tlbmiss
mfspr r5, ptehi
mfspr r6, ptelo
mr r7, sp
addi r7, r7, 20
bl tlb_refill_real
b iret_real
 
jump_to_kernel:
lis r12, iret@ha
addi r12, r12, iret@l
313,6 → 272,7
rfi
 
iret_real:
lwz r0, 8(sp)
lwz r2, 12(sp)
lwz r3, 16(sp)
362,7 → 322,7
lwz r12, 148(sp)
mtxer r12
lwz r12, 156(sp)
lwz sp, 160(sp)
lwz r12, 152(sp)
lwz sp, 156(sp)
rfi
/branches/arm/kernel/arch/ppc32/src/boot/boot.S
33,7 → 33,7
 
.global kernel_image_start
kernel_image_start:
 
# load temporal kernel stack
lis sp, kernel_stack@ha
52,7 → 52,7
beq bootinfo_end
addis r3, r3, 0x8000
 
lis r31, bootinfo@ha
addi r31, r31, bootinfo@l # r31 = bootinfo
/branches/arm/kernel/arch/ppc32/src/dummy.s
30,7 → 30,6
 
.global asm_delay_loop
.global sys_tls_set
.global cpu_halt
 
sys_tls_set:
b sys_tls_set
37,6 → 36,3
 
asm_delay_loop:
blr
 
cpu_halt:
b cpu_halt
/branches/arm/kernel/arch/ppc32/_link.ld.in
1,11 → 1,11
/** PPC32 linker script
*
* umapped section:
* kernel text
* kernel data
* kernel text
* kernel data
* mapped section:
* kernel text
* kernel data
* kernel text
* kernel data
*
*/
 
27,7 → 27,7
unmapped_kdata_start = .;
}
.mapped PA2KA(BOOT_OFFSET): AT (BOOT_OFFSET) {
.mapped PA2KA(BOOT_OFFSET): AT (BOOT_OFFSET) {
ktext_start = .;
*(K_TEXT_START);
*(.text);
37,22 → 37,22
*(K_DATA_START);
*(.rodata);
*(.rodata.*);
*(.data); /* initialized data */
*(.data); /* initialized data */
*(.sdata);
*(.sdata2);
*(.sbss);
hardcoded_ktext_size = .;
LONG(ktext_end - ktext_start);
LONG(ktext_end - ktext_start);
hardcoded_kdata_size = .;
LONG(kdata_end - kdata_start);
hardcoded_load_address = .;
LONG(PA2KA(BOOT_OFFSET));
*(.bss); /* uninitialized static variables */
*(COMMON); /* global variables */
*(.bss); /* uninitialized static variables */
*(COMMON); /* global variables */
 
symbol_table = .;
*(symtab.*); /* Symbol table, must be LAST symbol!*/
*(symtab.*); /* Symbol table, must be LAST symbol!*/
 
kdata_end = .;
}
}
/branches/arm/kernel/arch/mips32/src/mm/tlb.c
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup mips32mm
/** @addtogroup mips32mm
* @{
*/
/** @file
40,12 → 40,12
#include <arch/cp0.h>
#include <panic.h>
#include <arch.h>
#include <synch/mutex.h>
#include <symtab.h>
#include <synch/spinlock.h>
#include <print.h>
#include <debug.h>
#include <align.h>
#include <interrupt.h>
#include <symtab.h>
 
static void tlb_refill_fail(istate_t *);
static void tlb_invalid_fail(istate_t *);
92,15 → 92,15
uintptr_t badvaddr;
pte_t *pte;
int pfrc;
 
badvaddr = cp0_badvaddr_read();
mutex_lock(&AS->lock);
 
spinlock_lock(&AS->lock);
asid = AS->asid;
mutex_unlock(&AS->lock);
spinlock_unlock(&AS->lock);
 
page_table_lock(AS, true);
 
pte = find_mapping_and_check(badvaddr, PF_ACCESS_READ, istate, &pfrc);
if (!pte) {
switch (pfrc) {
115,7 → 115,7
page_table_unlock(AS, true);
return;
default:
panic("Unexpected pfrc (%d).", pfrc);
panic("unexpected pfrc (%d)\n", pfrc);
}
}
 
199,7 → 199,7
page_table_unlock(AS, true);
return;
default:
panic("Unexpected pfrc (%d).", pfrc);
panic("unexpected pfrc (%d)\n", pfrc);
}
}
 
282,7 → 282,7
page_table_unlock(AS, true);
return;
default:
panic("Unexpected pfrc (%d).", pfrc);
panic("unexpected pfrc (%d)\n", pfrc);
}
}
 
320,14 → 320,19
 
void tlb_refill_fail(istate_t *istate)
{
char *symbol, *sym2;
char *symbol = "";
char *sym2 = "";
 
symbol = symtab_fmt_name_lookup(istate->epc);
sym2 = symtab_fmt_name_lookup(istate->ra);
fault_if_from_uspace(istate, "TLB Refill Exception on %p.",
char *s = get_symtab_entry(istate->epc);
if (s)
symbol = s;
s = get_symtab_entry(istate->ra);
if (s)
sym2 = s;
 
fault_if_from_uspace(istate, "TLB Refill Exception on %p",
cp0_badvaddr_read());
panic("%x: TLB Refill Exception at %x (%s<-%s).", cp0_badvaddr_read(),
panic("%x: TLB Refill Exception at %x(%s<-%s)\n", cp0_badvaddr_read(),
istate->epc, symbol, sym2);
}
 
334,25 → 339,27
 
void tlb_invalid_fail(istate_t *istate)
{
char *symbol;
char *symbol = "";
 
symbol = symtab_fmt_name_lookup(istate->epc);
 
fault_if_from_uspace(istate, "TLB Invalid Exception on %p.",
char *s = get_symtab_entry(istate->epc);
if (s)
symbol = s;
fault_if_from_uspace(istate, "TLB Invalid Exception on %p",
cp0_badvaddr_read());
panic("%x: TLB Invalid Exception at %x (%s).", cp0_badvaddr_read(),
panic("%x: TLB Invalid Exception at %x(%s)\n", cp0_badvaddr_read(),
istate->epc, symbol);
}
 
void tlb_modified_fail(istate_t *istate)
{
char *symbol;
char *symbol = "";
 
symbol = symtab_fmt_name_lookup(istate->epc);
 
fault_if_from_uspace(istate, "TLB Modified Exception on %p.",
char *s = get_symtab_entry(istate->epc);
if (s)
symbol = s;
fault_if_from_uspace(istate, "TLB Modified Exception on %p",
cp0_badvaddr_read());
panic("%x: TLB Modified Exception at %x (%s).", cp0_badvaddr_read(),
panic("%x: TLB Modified Exception at %x(%s)\n", cp0_badvaddr_read(),
istate->epc, symbol);
}
 
422,11 → 429,12
break;
case AS_PF_FAULT:
page_table_lock(AS, true);
printf("Page fault.\n");
*pfrc = AS_PF_FAULT;
return NULL;
break;
default:
panic("Unexpected rc (%d).", rc);
panic("unexpected rc (%d)\n", rc);
}
}
560,7 → 568,7
* @param page First page whose TLB entry is to be invalidated.
* @param cnt Number of entries to invalidate.
*/
void tlb_invalidate_pages(asid_t asid, uintptr_t page, size_t cnt)
void tlb_invalidate_pages(asid_t asid, uintptr_t page, count_t cnt)
{
unsigned int i;
ipl_t ipl;
/branches/arm/kernel/arch/mips32/src/mm/frame.c
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup mips32mm
/** @addtogroup mips32mm
* @{
*/
/** @file
40,22 → 40,22
#include <mm/asid.h>
#include <config.h>
#include <arch/drivers/msim.h>
#include <arch/drivers/serial.h>
#include <print.h>
 
#define ZERO_PAGE_MASK TLB_PAGE_MASK_256K
#define ZERO_FRAMES 2048
#define ZERO_PAGE_WIDTH 18 /* 256K */
#define ZERO_PAGE_SIZE (1 << ZERO_PAGE_WIDTH)
#define ZERO_PAGE_ASID ASID_INVALID
#define ZERO_PAGE_TLBI 0
#define ZERO_PAGE_ADDR 0
#define ZERO_PAGE_OFFSET (ZERO_PAGE_SIZE / sizeof(uint32_t) - 1)
#define ZERO_PAGE_VALUE (((volatile uint32_t *) ZERO_PAGE_ADDR)[ZERO_PAGE_OFFSET])
#define ZERO_PAGE_MASK TLB_PAGE_MASK_256K
#define ZERO_FRAMES 2048
#define ZERO_PAGE_WIDTH 18 /* 256K */
#define ZERO_PAGE_SIZE (1 << ZERO_PAGE_WIDTH)
#define ZERO_PAGE_ASID ASID_INVALID
#define ZERO_PAGE_TLBI 0
#define ZERO_PAGE_ADDR 0
#define ZERO_PAGE_OFFSET (ZERO_PAGE_SIZE / sizeof(uint32_t) - 1)
#define ZERO_PAGE_VALUE (((volatile uint32_t *) ZERO_PAGE_ADDR)[ZERO_PAGE_OFFSET])
 
#define ZERO_PAGE_VALUE_KSEG1(frame) \
(((volatile uint32_t *) (0xa0000000 + (frame << ZERO_PAGE_WIDTH)))[ZERO_PAGE_OFFSET])
#define ZERO_PAGE_VALUE_KSEG1(frame) (((volatile uint32_t *) (0xa0000000 + (frame << ZERO_PAGE_WIDTH)))[ZERO_PAGE_OFFSET])
 
#define MAX_REGIONS 32
#define MAX_REGIONS 32
 
typedef struct {
pfn_t start;
62,9 → 62,10
pfn_t count;
} phys_region_t;
 
static size_t phys_regions_count = 0;
static count_t phys_regions_count = 0;
static phys_region_t phys_regions[MAX_REGIONS];
 
 
/** Check whether frame is available
*
* Returns true if given frame is generally available for use.
74,7 → 75,7
*/
static bool frame_available(pfn_t frame)
{
#ifdef MACHINE_msim
#if MACHINE == msim
/* MSIM device (dprinter) */
if (frame == (KA2PA(MSIM_VIDEORAM) >> ZERO_PAGE_WIDTH))
return false;
83,8 → 84,14
if (frame == (KA2PA(MSIM_KBD_ADDRESS) >> ZERO_PAGE_WIDTH))
return false;
#endif
#if defined(MACHINE_lgxemul) || defined(MACHINE_bgxemul)
 
#if MACHINE == simics
/* Simics device (serial line) */
if (frame == (KA2PA(SERIAL_ADDRESS) >> ZERO_PAGE_WIDTH))
return false;
#endif
 
#if (MACHINE == lgxemul) || (MACHINE == bgxemul)
/* gxemul devices */
if (overlaps(frame << ZERO_PAGE_WIDTH, ZERO_PAGE_SIZE,
0x10000000, MB2SIZE(256)))
119,7 → 126,7
/* Init tasks */
bool safe = true;
size_t i;
count_t i;
for (i = 0; i < init.cnt; i++)
if (overlaps(frame << ZERO_PAGE_WIDTH, ZERO_PAGE_SIZE,
KA2PA(init.tasks[i].addr), init.tasks[i].size)) {
174,7 → 181,7
cp0_entry_lo1_write(0);
cp0_entry_hi_write(0);
 
size_t i;
count_t i;
for (i = 0; i < TLB_ENTRY_COUNT; i++) {
cp0_index_write(i);
tlbwi();
211,7 → 218,7
ZERO_PAGE_VALUE = 0xdeadbeef;
if (ZERO_PAGE_VALUE != 0xdeadbeef)
avail = false;
#if defined(MACHINE_lgxemul) || defined(MACHINE_bgxemul)
#if (MACHINE == lgxemul) || (MACHINE == bgxemul)
else {
ZERO_PAGE_VALUE_KSEG1(frame) = 0xaabbccdd;
if (ZERO_PAGE_VALUE_KSEG1(frame) != 0xaabbccdd)
251,7 → 258,7
printf("Base Size\n");
printf("---------- ----------\n");
size_t i;
count_t i;
for (i = 0; i < phys_regions_count; i++) {
printf("%#010x %10u\n",
PFN2ADDR(phys_regions[i].start), PFN2ADDR(phys_regions[i].count));
/branches/arm/kernel/arch/mips32/src/mm/page.c
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup mips32mm
/** @addtogroup mips32mm
* @{
*/
/** @file
35,7 → 35,6
#include <arch/mm/page.h>
#include <genarch/mm/page_pt.h>
#include <mm/page.h>
#include <mm/frame.h>
 
void page_arch_init(void)
{
/branches/arm/kernel/arch/mips32/src/asm.S
27,17 → 27,17
#
 
#include <arch/asm/regname.h>
 
.text
 
.macro cp0_read reg
mfc0 $2, \reg
mfc0 $2,\reg
j $31
nop
.endm
 
.macro cp0_write reg
mtc0 $4, \reg
mtc0 $4,\reg
j $31
nop
.endm
46,11 → 46,6
.set noreorder
.set nomacro
 
.global asm_delay_loop
asm_delay_loop:
j $31
nop
 
.global cpu_halt
cpu_halt:
j cpu_halt
63,12 → 58,6
nop
 
 
.global memsetw
memsetw:
j _memsetw
nop
 
 
.global memcpy
.global memcpy_from_uspace
.global memcpy_to_uspace
77,238 → 66,235
memcpy:
memcpy_from_uspace:
memcpy_to_uspace:
move $t2, $a0 # save dst
addiu $v0, $a1, 3
li $v1, -4 # 0xfffffffffffffffc
and $v0, $v0, $v1
beq $a1, $v0, 3f
move $t0, $a0
0:
beq $a2, $zero, 2f
move $a3, $zero
1:
addu $v0, $a1, $a3
lbu $a0, 0($v0)
addu $v1, $t0, $a3
addiu $a3, $a3, 1
bne $a3, $a2, 1b
sb $a0, 0($v1)
2:
jr $ra
move $v0, $t2
3:
addiu $v0, $a0, 3
and $v0, $v0, $v1
bne $a0, $v0, 0b
srl $t1, $a2, 2
beq $t1, $zero, 5f
move $a3, $zero
move $a3, $zero
move $a0, $zero
4:
addu $v0, $a1, $a0
lw $v1, 0($v0)
addiu $a3, $a3, 1
addu $v0, $t0, $a0
sw $v1, 0($v0)
bne $a3, $t1, 4b
addiu $a0, $a0, 4
5:
andi $a2, $a2, 0x3
beq $a2, $zero, 2b
nop
sll $v0, $a3, 2
addu $t1, $v0, $t0
move $a3, $zero
addu $t0, $v0, $a1
6:
addu $v0, $t0, $a3
lbu $a0, 0($v0)
addu $v1, $t1, $a3
addiu $a3, $a3, 1
bne $a3, $a2, 6b
sb $a0, 0($v1)
jr $ra
move $v0, $t2
addiu $v0,$a1,3
li $v1,-4 # 0xfffffffffffffffc
and $v0,$v0,$v1
beq $a1,$v0,3f
move $t0,$a0
move $t2,$a0 # save dst
 
0:
beq $a2,$zero,2f
move $a3,$zero
 
1:
addu $v0,$a1,$a3
lbu $a0,0($v0)
addu $v1,$t0,$a3
addiu $a3,$a3,1
bne $a3,$a2,1b
sb $a0,0($v1)
 
2:
jr $ra
move $v0,$t2
 
3:
addiu $v0,$a0,3
and $v0,$v0,$v1
bne $a0,$v0,0b
srl $t1,$a2,2
 
beq $t1,$zero,5f
move $a3,$zero
 
move $a3,$zero
move $a0,$zero
4:
addu $v0,$a1,$a0
lw $v1,0($v0)
addiu $a3,$a3,1
addu $v0,$t0,$a0
sw $v1,0($v0)
bne $a3,$t1,4b
addiu $a0,$a0,4
 
5:
andi $a2,$a2,0x3
beq $a2,$zero,2b
nop
 
sll $v0,$a3,2
addu $t1,$v0,$t0
move $a3,$zero
addu $t0,$v0,$a1
6:
addu $v0,$t0,$a3
lbu $a0,0($v0)
addu $v1,$t1,$a3
addiu $a3,$a3,1
bne $a3,$a2,6b
sb $a0,0($v1)
 
jr $ra
move $v0,$t2
 
memcpy_from_uspace_failover_address:
memcpy_to_uspace_failover_address:
jr $ra
move $v0, $zero
jr $ra
move $v0, $zero
 
 
 
.macro fpu_gp_save reg ctx
mfc1 $t0, $\reg
sw $t0, \reg * 4(\ctx)
mfc1 $t0,$\reg
sw $t0, \reg*4(\ctx)
.endm
 
.macro fpu_gp_restore reg ctx
lw $t0, \reg * 4(\ctx)
mtc1 $t0, $\reg
lw $t0, \reg*4(\ctx)
mtc1 $t0,$\reg
.endm
 
.macro fpu_ct_save reg ctx
cfc1 $t0, $1
sw $t0, (\reg + 32) * 4(\ctx)
cfc1 $t0,$1
sw $t0, (\reg+32)*4(\ctx)
.endm
 
.macro fpu_ct_restore reg ctx
lw $t0, (\reg + 32) * 4(\ctx)
ctc1 $t0, $\reg
lw $t0, (\reg+32)*4(\ctx)
ctc1 $t0,$\reg
.endm
 
 
.global fpu_context_save
fpu_context_save:
#ifdef CONFIG_FPU
fpu_gp_save 0, $a0
fpu_gp_save 1, $a0
fpu_gp_save 2, $a0
fpu_gp_save 3, $a0
fpu_gp_save 4, $a0
fpu_gp_save 5, $a0
fpu_gp_save 6, $a0
fpu_gp_save 7, $a0
fpu_gp_save 8, $a0
fpu_gp_save 9, $a0
fpu_gp_save 10, $a0
fpu_gp_save 11, $a0
fpu_gp_save 12, $a0
fpu_gp_save 13, $a0
fpu_gp_save 14, $a0
fpu_gp_save 15, $a0
fpu_gp_save 16, $a0
fpu_gp_save 17, $a0
fpu_gp_save 18, $a0
fpu_gp_save 19, $a0
fpu_gp_save 20, $a0
fpu_gp_save 21, $a0
fpu_gp_save 22, $a0
fpu_gp_save 23, $a0
fpu_gp_save 24, $a0
fpu_gp_save 25, $a0
fpu_gp_save 26, $a0
fpu_gp_save 27, $a0
fpu_gp_save 28, $a0
fpu_gp_save 29, $a0
fpu_gp_save 30, $a0
fpu_gp_save 31, $a0
fpu_ct_save 1, $a0
fpu_ct_save 2, $a0
fpu_ct_save 3, $a0
fpu_ct_save 4, $a0
fpu_ct_save 5, $a0
fpu_ct_save 6, $a0
fpu_ct_save 7, $a0
fpu_ct_save 8, $a0
fpu_ct_save 9, $a0
fpu_ct_save 10, $a0
fpu_ct_save 11, $a0
fpu_ct_save 12, $a0
fpu_ct_save 13, $a0
fpu_ct_save 14, $a0
fpu_ct_save 15, $a0
fpu_ct_save 16, $a0
fpu_ct_save 17, $a0
fpu_ct_save 18, $a0
fpu_ct_save 19, $a0
fpu_ct_save 20, $a0
fpu_ct_save 21, $a0
fpu_ct_save 22, $a0
fpu_ct_save 23, $a0
fpu_ct_save 24, $a0
fpu_ct_save 25, $a0
fpu_ct_save 26, $a0
fpu_ct_save 27, $a0
fpu_ct_save 28, $a0
fpu_ct_save 29, $a0
fpu_ct_save 30, $a0
fpu_ct_save 31, $a0
#endif
#ifdef ARCH_HAS_FPU
fpu_gp_save 0,$a0
fpu_gp_save 1,$a0
fpu_gp_save 2,$a0
fpu_gp_save 3,$a0
fpu_gp_save 4,$a0
fpu_gp_save 5,$a0
fpu_gp_save 6,$a0
fpu_gp_save 7,$a0
fpu_gp_save 8,$a0
fpu_gp_save 9,$a0
fpu_gp_save 10,$a0
fpu_gp_save 11,$a0
fpu_gp_save 12,$a0
fpu_gp_save 13,$a0
fpu_gp_save 14,$a0
fpu_gp_save 15,$a0
fpu_gp_save 16,$a0
fpu_gp_save 17,$a0
fpu_gp_save 18,$a0
fpu_gp_save 19,$a0
fpu_gp_save 20,$a0
fpu_gp_save 21,$a0
fpu_gp_save 22,$a0
fpu_gp_save 23,$a0
fpu_gp_save 24,$a0
fpu_gp_save 25,$a0
fpu_gp_save 26,$a0
fpu_gp_save 27,$a0
fpu_gp_save 28,$a0
fpu_gp_save 29,$a0
fpu_gp_save 30,$a0
fpu_gp_save 31,$a0
 
fpu_ct_save 1,$a0
fpu_ct_save 2,$a0
fpu_ct_save 3,$a0
fpu_ct_save 4,$a0
fpu_ct_save 5,$a0
fpu_ct_save 6,$a0
fpu_ct_save 7,$a0
fpu_ct_save 8,$a0
fpu_ct_save 9,$a0
fpu_ct_save 10,$a0
fpu_ct_save 11,$a0
fpu_ct_save 12,$a0
fpu_ct_save 13,$a0
fpu_ct_save 14,$a0
fpu_ct_save 15,$a0
fpu_ct_save 16,$a0
fpu_ct_save 17,$a0
fpu_ct_save 18,$a0
fpu_ct_save 19,$a0
fpu_ct_save 20,$a0
fpu_ct_save 21,$a0
fpu_ct_save 22,$a0
fpu_ct_save 23,$a0
fpu_ct_save 24,$a0
fpu_ct_save 25,$a0
fpu_ct_save 26,$a0
fpu_ct_save 27,$a0
fpu_ct_save 28,$a0
fpu_ct_save 29,$a0
fpu_ct_save 30,$a0
fpu_ct_save 31,$a0
#endif
j $ra
nop
 
.global fpu_context_restore
fpu_context_restore:
#ifdef CONFIG_FPU
fpu_gp_restore 0, $a0
fpu_gp_restore 1, $a0
fpu_gp_restore 2, $a0
fpu_gp_restore 3, $a0
fpu_gp_restore 4, $a0
fpu_gp_restore 5, $a0
fpu_gp_restore 6, $a0
fpu_gp_restore 7, $a0
fpu_gp_restore 8, $a0
fpu_gp_restore 9, $a0
fpu_gp_restore 10, $a0
fpu_gp_restore 11, $a0
fpu_gp_restore 12, $a0
fpu_gp_restore 13, $a0
fpu_gp_restore 14, $a0
fpu_gp_restore 15, $a0
fpu_gp_restore 16, $a0
fpu_gp_restore 17, $a0
fpu_gp_restore 18, $a0
fpu_gp_restore 19, $a0
fpu_gp_restore 20, $a0
fpu_gp_restore 21, $a0
fpu_gp_restore 22, $a0
fpu_gp_restore 23, $a0
fpu_gp_restore 24, $a0
fpu_gp_restore 25, $a0
fpu_gp_restore 26, $a0
fpu_gp_restore 27, $a0
fpu_gp_restore 28, $a0
fpu_gp_restore 29, $a0
fpu_gp_restore 30, $a0
fpu_gp_restore 31, $a0
fpu_ct_restore 1, $a0
fpu_ct_restore 2, $a0
fpu_ct_restore 3, $a0
fpu_ct_restore 4, $a0
fpu_ct_restore 5, $a0
fpu_ct_restore 6, $a0
fpu_ct_restore 7, $a0
fpu_ct_restore 8, $a0
fpu_ct_restore 9, $a0
fpu_ct_restore 10, $a0
fpu_ct_restore 11, $a0
fpu_ct_restore 12, $a0
fpu_ct_restore 13, $a0
fpu_ct_restore 14, $a0
fpu_ct_restore 15, $a0
fpu_ct_restore 16, $a0
fpu_ct_restore 17, $a0
fpu_ct_restore 18, $a0
fpu_ct_restore 19, $a0
fpu_ct_restore 20, $a0
fpu_ct_restore 21, $a0
fpu_ct_restore 22, $a0
fpu_ct_restore 23, $a0
fpu_ct_restore 24, $a0
fpu_ct_restore 25, $a0
fpu_ct_restore 26, $a0
fpu_ct_restore 27, $a0
fpu_ct_restore 28, $a0
fpu_ct_restore 29, $a0
fpu_ct_restore 30, $a0
fpu_ct_restore 31, $a0
#endif
#ifdef ARCH_HAS_FPU
fpu_gp_restore 0,$a0
fpu_gp_restore 1,$a0
fpu_gp_restore 2,$a0
fpu_gp_restore 3,$a0
fpu_gp_restore 4,$a0
fpu_gp_restore 5,$a0
fpu_gp_restore 6,$a0
fpu_gp_restore 7,$a0
fpu_gp_restore 8,$a0
fpu_gp_restore 9,$a0
fpu_gp_restore 10,$a0
fpu_gp_restore 11,$a0
fpu_gp_restore 12,$a0
fpu_gp_restore 13,$a0
fpu_gp_restore 14,$a0
fpu_gp_restore 15,$a0
fpu_gp_restore 16,$a0
fpu_gp_restore 17,$a0
fpu_gp_restore 18,$a0
fpu_gp_restore 19,$a0
fpu_gp_restore 20,$a0
fpu_gp_restore 21,$a0
fpu_gp_restore 22,$a0
fpu_gp_restore 23,$a0
fpu_gp_restore 24,$a0
fpu_gp_restore 25,$a0
fpu_gp_restore 26,$a0
fpu_gp_restore 27,$a0
fpu_gp_restore 28,$a0
fpu_gp_restore 29,$a0
fpu_gp_restore 30,$a0
fpu_gp_restore 31,$a0
 
fpu_ct_restore 1,$a0
fpu_ct_restore 2,$a0
fpu_ct_restore 3,$a0
fpu_ct_restore 4,$a0
fpu_ct_restore 5,$a0
fpu_ct_restore 6,$a0
fpu_ct_restore 7,$a0
fpu_ct_restore 8,$a0
fpu_ct_restore 9,$a0
fpu_ct_restore 10,$a0
fpu_ct_restore 11,$a0
fpu_ct_restore 12,$a0
fpu_ct_restore 13,$a0
fpu_ct_restore 14,$a0
fpu_ct_restore 15,$a0
fpu_ct_restore 16,$a0
fpu_ct_restore 17,$a0
fpu_ct_restore 18,$a0
fpu_ct_restore 19,$a0
fpu_ct_restore 20,$a0
fpu_ct_restore 21,$a0
fpu_ct_restore 22,$a0
fpu_ct_restore 23,$a0
fpu_ct_restore 24,$a0
fpu_ct_restore 25,$a0
fpu_ct_restore 26,$a0
fpu_ct_restore 27,$a0
fpu_ct_restore 28,$a0
fpu_ct_restore 29,$a0
fpu_ct_restore 30,$a0
fpu_ct_restore 31,$a0
#endif
j $ra
nop
/branches/arm/kernel/arch/mips32/src/drivers/msim.c
0,0 → 1,171
/*
* Copyright (c) 2005 Ondrej Palkovsky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup mips32
* @{
*/
/** @file
*/
 
#include <interrupt.h>
#include <ipc/irq.h>
#include <console/chardev.h>
#include <arch/drivers/msim.h>
#include <arch/cp0.h>
#include <console/console.h>
#include <sysinfo/sysinfo.h>
#include <ddi/ddi.h>
 
static parea_t msim_parea;
static chardev_t console;
static irq_t msim_irq;
 
static void msim_write(chardev_t *dev, const char ch);
static void msim_enable(chardev_t *dev);
static void msim_disable(chardev_t *dev);
static char msim_do_read(chardev_t *dev);
 
static chardev_operations_t msim_ops = {
.resume = msim_enable,
.suspend = msim_disable,
.write = msim_write,
.read = msim_do_read,
};
 
/** Putchar that works with MSIM & gxemul */
void msim_write(chardev_t *dev, const char ch)
{
*((char *) MSIM_VIDEORAM) = ch;
}
 
/* Called from getc(). */
void msim_enable(chardev_t *dev)
{
cp0_unmask_int(MSIM_KBD_IRQ);
}
 
/* Called from getc(). */
void msim_disable(chardev_t *dev)
{
cp0_mask_int(MSIM_KBD_IRQ);
}
 
#include <print.h>
/** Read character using polling, assume interrupts disabled */
static char msim_do_read(chardev_t *dev)
{
char ch;
 
while (1) {
ch = *((volatile char *) MSIM_KBD_ADDRESS);
if (ch) {
if (ch == '\r')
return '\n';
if (ch == 0x7f)
return '\b';
return ch;
}
}
}
 
/** Process keyboard interrupt. */
static void msim_irq_handler(irq_t *irq, void *arg, ...)
{
if ((irq->notif_cfg.notify) && (irq->notif_cfg.answerbox))
ipc_irq_send_notif(irq);
else {
char ch = 0;
ch = *((char *) MSIM_KBD_ADDRESS);
if (ch =='\r')
ch = '\n';
if (ch == 0x7f)
ch = '\b';
chardev_push_character(&console, ch);
}
}
 
static irq_ownership_t msim_claim(void)
{
return IRQ_ACCEPT;
}
 
void msim_kbd_grab(void)
{
ipl_t ipl = interrupts_disable();
spinlock_lock(&msim_irq.lock);
msim_irq.notif_cfg.notify = false;
spinlock_unlock(&msim_irq.lock);
interrupts_restore(ipl);
}
 
void msim_kbd_release(void)
{
ipl_t ipl = interrupts_disable();
spinlock_lock(&msim_irq.lock);
if (msim_irq.notif_cfg.answerbox)
msim_irq.notif_cfg.notify = true;
spinlock_unlock(&msim_irq.lock);
interrupts_restore(ipl);
}
 
 
/* Return console object representing msim console */
void msim_console(devno_t devno)
{
chardev_initialize("msim_console", &console, &msim_ops);
stdin = &console;
stdout = &console;
irq_initialize(&msim_irq);
msim_irq.devno = devno;
msim_irq.inr = MSIM_KBD_IRQ;
msim_irq.claim = msim_claim;
msim_irq.handler = msim_irq_handler;
irq_register(&msim_irq);
cp0_unmask_int(MSIM_KBD_IRQ);
sysinfo_set_item_val("kbd", NULL, true);
sysinfo_set_item_val("kbd.devno", NULL, devno);
sysinfo_set_item_val("kbd.inr", NULL, MSIM_KBD_IRQ);
sysinfo_set_item_val("kbd.address.virtual", NULL, MSIM_KBD_ADDRESS);
msim_parea.pbase = KA2PA(MSIM_VIDEORAM);
msim_parea.vbase = MSIM_VIDEORAM;
msim_parea.frames = 1;
msim_parea.cacheable = false;
ddi_parea_register(&msim_parea);
sysinfo_set_item_val("fb", NULL, true);
sysinfo_set_item_val("fb.kind", NULL, 3);
sysinfo_set_item_val("fb.address.physical", NULL, KA2PA(MSIM_VIDEORAM));
}
 
/** @}
*/
/branches/arm/kernel/arch/mips32/src/drivers/serial.c
0,0 → 1,159
/*
* Copyright (c) 2005 Ondrej Palkovsky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup mips32
* @{
*/
/** @file
*/
 
#include <interrupt.h>
#include <arch/cp0.h>
#include <ipc/irq.h>
#include <arch/drivers/serial.h>
#include <console/chardev.h>
#include <console/console.h>
 
#define SERIAL_IRQ 2
 
static irq_t serial_irq;
static chardev_t console;
static serial_t sconf[SERIAL_MAX];
static bool kb_enabled;
 
static void serial_write(chardev_t *d, const char ch)
{
serial_t *sd = (serial_t *)d->data;
 
if (ch == '\n')
serial_write(d, '\r');
/* Wait until transmit buffer empty */
while (! (SERIAL_READ_LSR(sd->port) & (1<<TRANSMIT_EMPTY_BIT)))
;
SERIAL_WRITE(sd->port, ch);
}
 
static void serial_enable(chardev_t *d)
{
kb_enabled = true;
}
 
static void serial_disable(chardev_t *d)
{
kb_enabled = false;
}
 
int serial_init(void)
{
int i = 0;
if (SERIAL_READ_LSR(SERIAL_COM1) == 0x60) {
sconf[i].port = SERIAL_COM1;
sconf[i].irq = SERIAL_COM1_IRQ;
/* Enable interrupt on available data */
i++;
}
return i;
}
 
/** Read character from serial port, wait until available */
static char serial_do_read(chardev_t *dev)
{
serial_t *sd = (serial_t *)dev->data;
char ch;
 
while (!(SERIAL_READ_LSR(sd->port) & 1))
;
ch = SERIAL_READ(sd->port);
 
if (ch =='\r')
ch = '\n';
return ch;
}
 
static void serial_handler(void)
{
serial_t *sd = (serial_t *) console.data;
char ch;
 
if (!(SERIAL_READ_LSR(sd->port) & 1))
return;
ch = SERIAL_READ(sd->port);
 
if (ch =='\r')
ch = '\n';
chardev_push_character(&console, ch);
}
 
/** Process keyboard interrupt. Does not work in simics? */
static void serial_irq_handler(irq_t *irq, void *arg, ...)
{
if ((irq->notif_cfg.notify) && (irq->notif_cfg.answerbox))
ipc_irq_send_notif(irq);
else
serial_handler();
}
 
static irq_ownership_t serial_claim(void)
{
return IRQ_ACCEPT;
}
 
static chardev_operations_t serial_ops = {
.resume = serial_enable,
.suspend = serial_disable,
.write = serial_write,
.read = serial_do_read
};
 
void serial_console(devno_t devno)
{
serial_t *sd = &sconf[0];
 
 
chardev_initialize("serial_console", &console, &serial_ops);
console.data = sd;
kb_enabled = true;
irq_initialize(&serial_irq);
serial_irq.devno = devno;
serial_irq.inr = SERIAL_IRQ;
serial_irq.claim = serial_claim;
serial_irq.handler = serial_irq_handler;
irq_register(&serial_irq);
 
/* I don't know why, but the serial interrupts simply
* don't work on simics
*/
virtual_timer_fnc = &serial_handler;
stdin = &console;
stdout = &console;
}
 
/** @}
*/
/branches/arm/kernel/arch/mips32/src/console.c
0,0 → 1,65
/*
* Copyright (c) 2005 Ondrej Palkovsky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup mips32
* @{
*/
/** @file
*/
 
#include <console/console.h>
#include <arch/console.h>
#include <arch/drivers/serial.h>
#include <arch/drivers/msim.h>
 
void console_init(devno_t devno)
{
if (serial_init())
serial_console(devno);
else
msim_console(devno);
}
 
/** Acquire console back for kernel
*
*/
void arch_grab_console(void)
{
msim_kbd_grab();
}
 
/** Return console to userspace
*
*/
void arch_release_console(void)
{
msim_kbd_release();
}
 
/** @}
*/
/branches/arm/kernel/arch/mips32/src/mips32.c
33,17 → 33,20
*/
 
#include <arch.h>
#include <arch/boot.h>
#include <arch/cp0.h>
#include <arch/exception.h>
#include <mm/as.h>
 
#include <userspace.h>
#include <arch/console.h>
#include <memstr.h>
#include <proc/thread.h>
#include <proc/uarg.h>
#include <print.h>
#include <console/console.h>
#include <syscall/syscall.h>
#include <sysinfo/sysinfo.h>
 
#include <arch/interrupt.h>
#include <console/chardev.h>
#include <arch/barrier.h>
50,51 → 53,39
#include <arch/debugger.h>
#include <genarch/fb/fb.h>
#include <genarch/fb/visuals.h>
#include <genarch/drivers/dsrln/dsrlnin.h>
#include <genarch/drivers/dsrln/dsrlnout.h>
#include <genarch/srln/srln.h>
#include <macros.h>
#include <config.h>
#include <string.h>
#include <arch/drivers/msim.h>
#include <ddi/device.h>
 
#include <arch/asm/regname.h>
 
/* Size of the code jumping to the exception handler code
* - J+NOP
/* Size of the code jumping to the exception handler code
* - J+NOP
*/
#define EXCEPTION_JUMP_SIZE 8
#define EXCEPTION_JUMP_SIZE 8
 
#define TLB_EXC ((char *) 0x80000000)
#define NORM_EXC ((char *) 0x80000180)
#define CACHE_EXC ((char *) 0x80000100)
#define TLB_EXC ((char *) 0x80000000)
#define NORM_EXC ((char *) 0x80000180)
#define CACHE_EXC ((char *) 0x80000100)
 
 
/* Why the linker moves the variable 64K away in assembler
* when not in .text section?
* when not in .text section ????????
*/
 
uintptr_t supervisor_sp __attribute__ ((section (".text")));
/* Stack pointer saved when entering user mode */
uintptr_t supervisor_sp __attribute__ ((section (".text")));
/* TODO: How do we do it on SMP system???? */
bootinfo_t bootinfo __attribute__ ((section (".text")));
 
size_t cpu_count = 0;
 
/** Performs mips32-specific initialization before main_bsp() is called. */
void arch_pre_main(void *entry __attribute__((unused)), bootinfo_t *bootinfo)
void arch_pre_main(void)
{
/* Setup usermode */
init.cnt = bootinfo->cnt;
init.cnt = bootinfo.cnt;
size_t i;
for (i = 0; i < min3(bootinfo->cnt, TASKMAP_MAX_RECORDS, CONFIG_INIT_TASKS); i++) {
init.tasks[i].addr = bootinfo->tasks[i].addr;
init.tasks[i].size = bootinfo->tasks[i].size;
str_cpy(init.tasks[i].name, CONFIG_TASK_NAME_BUFLEN,
bootinfo->tasks[i].name);
}
uint32_t i;
for (i = 0; i < CPUMAP_MAX_RECORDS; i++) {
if ((bootinfo->cpumap & (1 << i)) != 0)
cpu_count++;
for (i = 0; i < bootinfo.cnt; i++) {
init.tasks[i].addr = bootinfo.tasks[i].addr;
init.tasks[i].size = bootinfo.tasks[i].size;
}
}
 
120,12 → 111,12
*/
cp0_status_write(cp0_status_read() &
~(cp0_status_bev_bootstrap_bit | cp0_status_erl_error_bit));
/*
* Mask all interrupts
 
/*
* Mask all interrupts
*/
cp0_mask_all_int();
debugger_init();
}
 
132,23 → 123,12
void arch_post_mm_init(void)
{
interrupt_init();
console_init(device_assign_devno());
#ifdef CONFIG_FB
/* GXemul framebuffer */
fb_properties_t gxemul_prop = {
.addr = 0x12000000,
.offset = 0,
.x = 640,
.y = 480,
.scan = 1920,
.visual = VISUAL_BGR_8_8_8,
};
fb_init(&gxemul_prop);
#else
#ifdef CONFIG_MIPS_PRN
dsrlnout_init((ioport8_t *) MSIM_KBD_ADDRESS);
#endif /* CONFIG_MIPS_PRN */
#endif /* CONFIG_FB */
fb_init(0x12000000, 640, 480, 1920, VISUAL_RGB_8_8_8);
#endif
sysinfo_set_item_val("machine." STRING(MACHINE), NULL, 1);
}
 
void arch_post_cpu_init(void)
161,37 → 141,8
 
void arch_post_smp_init(void)
{
#ifdef CONFIG_MIPS_KBD
/*
* Initialize the msim/GXemul keyboard port. Then initialize the serial line
* module and connect it to the msim/GXemul keyboard. Enable keyboard interrupts.
*/
dsrlnin_instance_t *dsrlnin_instance
= dsrlnin_init((dsrlnin_t *) MSIM_KBD_ADDRESS, MSIM_KBD_IRQ);
if (dsrlnin_instance) {
srln_instance_t *srln_instance = srln_init();
if (srln_instance) {
indev_t *sink = stdin_wire();
indev_t *srln = srln_wire(srln_instance, sink);
dsrlnin_wire(dsrlnin_instance, srln);
cp0_unmask_int(MSIM_KBD_IRQ);
}
}
/*
* This is the necessary evil until the userspace driver is entirely
* self-sufficient.
*/
sysinfo_set_item_val("kbd", NULL, true);
sysinfo_set_item_val("kbd.inr", NULL, MSIM_KBD_IRQ);
sysinfo_set_item_val("kbd.address.virtual", NULL, MSIM_KBD_ADDRESS);
#endif
}
 
void calibrate_delay_loop(void)
{
}
 
void userspace(uspace_arg_t *kernel_uarg)
{
/* EXL = 1, UM = 1, IE = 1 */
202,7 → 153,8
(uintptr_t) kernel_uarg->uspace_uarg,
(uintptr_t) kernel_uarg->uspace_entry);
while (1);
while (1)
;
}
 
/** Perform mips32 specific tasks needed before the new task is run. */
234,36 → 186,10
void arch_reboot(void)
{
___halt();
while (1);
while (1)
;
}
 
/** Construct function pointer
*
* @param fptr function pointer structure
* @param addr function address
* @param caller calling function address
*
* @return address of the function pointer
*
*/
void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller)
{
return addr;
}
 
void arch_grab_console(void)
{
#ifdef CONFIG_FB
fb_redraw();
#endif
}
 
/** Return console to userspace
*
*/
void arch_release_console(void)
{
}
 
/** @}
*/
/branches/arm/kernel/arch/mips32/src/interrupt.c
41,9 → 41,8
#include <ipc/sysipc.h>
#include <ddi/device.h>
 
#define IRQ_COUNT 8
#define TIMER_IRQ 7
#define DORDER_IRQ 5
#define IRQ_COUNT 8
#define TIMER_IRQ 7
 
function virtual_timer_fnc = NULL;
static irq_t timer_irq;
101,12 → 100,12
cp0_compare_write(nextcount);
}
 
static irq_ownership_t timer_claim(irq_t *irq)
static irq_ownership_t timer_claim(void)
{
return IRQ_ACCEPT;
}
 
static void timer_irq_handler(irq_t *irq)
static void timer_irq_handler(irq_t *irq, void *arg, ...)
{
unsigned long drift;
/branches/arm/kernel/arch/mips32/src/start.S
31,7 → 31,7
#include <arch/asm/boot.h>
#include <arch/context_offset.h>
#include <arch/stack.h>
 
.text
 
.set noat
75,6 → 75,18
mfhi $at
sw $at, EOFFSET_HI(\r)
#ifdef CONFIG_DEBUG_ALLREGS
sw $s0, EOFFSET_S0(\r)
sw $s1, EOFFSET_S1(\r)
sw $s2, EOFFSET_S2(\r)
sw $s3, EOFFSET_S3(\r)
sw $s4, EOFFSET_S4(\r)
sw $s5, EOFFSET_S5(\r)
sw $s6, EOFFSET_S6(\r)
sw $s7, EOFFSET_S7(\r)
sw $s8, EOFFSET_S8(\r)
#endif
sw $gp, EOFFSET_GP(\r)
sw $ra, EOFFSET_RA(\r)
sw $k1, EOFFSET_K1(\r)
120,6 → 132,17
lw $t8, EOFFSET_T8(\r)
lw $t9, EOFFSET_T9(\r)
#ifdef CONFIG_DEBUG_ALLREGS
lw $s0, EOFFSET_S0(\r)
lw $s1, EOFFSET_S1(\r)
lw $s2, EOFFSET_S2(\r)
lw $s3, EOFFSET_S3(\r)
lw $s4, EOFFSET_S4(\r)
lw $s5, EOFFSET_S5(\r)
lw $s6, EOFFSET_S6(\r)
lw $s7, EOFFSET_S7(\r)
lw $s8, EOFFSET_S8(\r)
#endif
lw $gp, EOFFSET_GP(\r)
lw $ra, EOFFSET_RA(\r)
lw $k1, EOFFSET_K1(\r)
152,9 → 175,9
ori $k0, $k0, %lo(supervisor_sp)
# Move $k0 (superveisor_sp)
lw $k0, 0($k0)
1:
1:
.endm
 
.org 0x0
kernel_image_start:
/* Load temporary stack */
161,12 → 184,31
lui $sp, %hi(end_stack)
ori $sp, $sp, %lo(end_stack)
/* Not sure about this, but might
be needed for PIC code */
/* $a1 contains physical address of bootinfo_t */
/* $a2 contains size of bootinfo_t */
beq $a2, $0, bootinfo_end
/* Not sure about this, but might be needed for PIC code???? */
lui $gp, 0x8000
/* $a1 contains physical address of bootinfo_t */
lui $a3, %hi(bootinfo)
ori $a3, $a3, %lo(bootinfo)
bootinfo_loop:
lw $v0, 0($a1)
sw $v0, 0($a3)
addi $a1, $a1, 4
addi $a3, $a3, 4
addi $a2, $a2, -4
bgtz $a2, bootinfo_loop
nop
bootinfo_end:
jal arch_pre_main
nop
186,8 → 228,8
 
exception_entry:
j exception_handler
nop
 
nop
exception_handler:
KERNEL_STACK_TO_K0
sub $k0, REGISTER_SPACE
196,17 → 238,17
mfc0 $k0, $cause
sra $k0, $k0, 0x2 # cp0_exc_cause() part 1
andi $k0, $k0, 0x1f # cp0_exc_cause() part 2
sub $k0, 8 # 8 = SYSCALL
sra $k0, $k0, 0x2 # cp0_exc_cause() part 1
andi $k0, $k0, 0x1f # cp0_exc_cause() part 2
sub $k0, 8 # 8 = SYSCALL
beqz $k0, syscall_shortcut
add $k0, 8 # Revert $k0 back to correct exc number
add $k0, 8 # Revert $k0 back to correct exc number
REGISTERS_STORE_AND_EXC_RESET $sp
move $a1, $sp
jal exc_dispatch # exc_dispatch(excno, register_space)
jal exc_dispatch # exc_dispatch(excno, register_space)
move $a0, $k0
 
REGISTERS_LOAD $sp
/branches/arm/kernel/arch/mips32/src/debugger.c
37,18 → 37,16
#include <memstr.h>
#include <console/kconsole.h>
#include <console/cmd.h>
#include <symtab.h>
#include <print.h>
#include <panic.h>
#include <arch.h>
#include <arch/cp0.h>
#include <func.h>
#include <symtab.h>
 
bpinfo_t breakpoints[BKPOINTS_MAX];
SPINLOCK_INITIALIZE(bkpoint_lock);
 
#ifdef CONFIG_KCONSOLE
 
static int cmd_print_breakpoints(cmd_arg_t *argv);
static cmd_info_t bkpts_info = {
.name = "bkpts",
125,12 → 123,10
{0, 0} /* EndOfTable */
};
 
 
/** Test, if the given instruction is a jump or branch instruction
*
* @param instr Instruction code
* @return true - it is jump instruction, false otherwise
*
*/
static bool is_jump(unative_t instr)
{
162,7 → 158,7
for (i = 0; i < BKPOINTS_MAX; i++) {
if (breakpoints[i].address == (uintptr_t)argv->intval) {
printf("Duplicate breakpoint %d.\n", i);
spinlock_unlock(&bkpoint_lock);
spinlock_unlock(&bkpoints_lock);
return 0;
} else if (breakpoints[i].address == (uintptr_t)argv->intval +
sizeof(unative_t) || breakpoints[i].address ==
169,10 → 165,10
(uintptr_t)argv->intval - sizeof(unative_t)) {
printf("Adjacent breakpoints not supported, conflict "
"with %d.\n", i);
spinlock_unlock(&bkpoint_lock);
spinlock_unlock(&bkpoints_lock);
return 0;
}
}
 
for (i = 0; i < BKPOINTS_MAX; i++)
259,9 → 255,8
for (i = 0; i < BKPOINTS_MAX; i++)
if (breakpoints[i].address) {
symbol = symtab_fmt_name_lookup(
breakpoints[i].address);
 
symbol = get_symtab_entry(breakpoints[i].address);
printf("%-2u %-5d %#10zx %-6s %-7s %-8s %s\n", i,
breakpoints[i].counter, breakpoints[i].address,
((breakpoints[i].flags & BKPOINT_INPROG) ? "true" :
272,8 → 267,6
return 1;
}
 
#endif
 
/** Initialize debugger */
void debugger_init()
{
281,24 → 274,22
 
for (i = 0; i < BKPOINTS_MAX; i++)
breakpoints[i].address = NULL;
 
#ifdef CONFIG_KCONSOLE
cmd_initialize(&bkpts_info);
if (!cmd_register(&bkpts_info))
printf("Cannot register command %s\n", bkpts_info.name);
panic("could not register command %s\n", bkpts_info.name);
 
cmd_initialize(&delbkpt_info);
if (!cmd_register(&delbkpt_info))
printf("Cannot register command %s\n", delbkpt_info.name);
panic("could not register command %s\n", delbkpt_info.name);
 
cmd_initialize(&addbkpt_info);
if (!cmd_register(&addbkpt_info))
printf("Cannot register command %s\n", addbkpt_info.name);
panic("could not register command %s\n", addbkpt_info.name);
 
cmd_initialize(&addbkpte_info);
if (!cmd_register(&addbkpte_info))
printf("Cannot register command %s\n", addbkpte_info.name);
#endif
panic("could not register command %s\n", addbkpte_info.name);
}
 
/** Handle breakpoint
317,7 → 308,7
 
/* test branch delay slot */
if (cp0_cause_read() & 0x80000000)
panic("Breakpoint in branch delay slot not supported.");
panic("Breakpoint in branch delay slot not supported.\n");
 
spinlock_lock(&bkpoint_lock);
for (i = 0; i < BKPOINTS_MAX; i++) {
349,10 → 340,9
if (cur->flags & BKPOINT_INPROG)
printf("Warning: breakpoint recursion\n");
if (!(cur->flags & BKPOINT_FUNCCALL)) {
if (!(cur->flags & BKPOINT_FUNCCALL))
printf("***Breakpoint %d: %p in %s.\n", i, fireaddr,
symtab_fmt_name_lookup(istate->epc));
}
get_symtab_entry(istate->epc));
 
/* Return first instruction back */
((uint32_t *)cur->address)[0] = cur->instruction;
365,9 → 355,8
}
cur->flags |= BKPOINT_INPROG;
} else {
printf("***Breakpoint %d: %p in %s.\n", i, fireaddr,
symtab_fmt_name_lookup(fireaddr));
 
printf("***Breakpoint %p in %s.\n", fireaddr,
get_symtab_entry(fireaddr));
/* Move on to next instruction */
istate->epc += 4;
}
378,20 → 367,19
if (cur->bkfunc)
cur->bkfunc(cur, istate);
} else {
#ifdef CONFIG_KCONSOLE
printf("***Type 'exit' to exit kconsole.\n");
/* This disables all other processors - we are not SMP,
* actually this gets us to cpu_halt, if scheduler() is run
* - we generally do not want scheduler to be run from debug,
* so this is a good idea
*/
atomic_set(&haltstate, 1);
atomic_set(&haltstate,1);
spinlock_unlock(&bkpoint_lock);
kconsole("debug", "Debug console ready.\n", false);
 
kconsole("debug");
 
spinlock_lock(&bkpoint_lock);
atomic_set(&haltstate, 0);
#endif
atomic_set(&haltstate,0);
}
if (cur && cur->address == fireaddr && (cur->flags & BKPOINT_INPROG)) {
/* Remove one-shot breakpoint */
/branches/arm/kernel/arch/mips32/src/exception.c
41,12 → 41,13
#include <arch.h>
#include <debug.h>
#include <proc/thread.h>
#include <symtab.h>
#include <print.h>
#include <interrupt.h>
#include <func.h>
#include <console/kconsole.h>
#include <ddi/irq.h>
#include <arch/debugger.h>
#include <symtab.h>
 
static char * exctable[] = {
"Interrupt",
73,21 → 74,25
 
static void print_regdump(istate_t *istate)
{
char *pcsymbol, *rasymbol;
char *pcsymbol = "";
char *rasymbol = "";
 
pcsymbol = symtab_fmt_name_lookup(istate->epc);
rasymbol = symtab_fmt_name_lookup(istate->ra);
 
printf("PC: %#x(%s) RA: %#x(%s), SP(%p)\n", istate->epc, pcsymbol,
istate->ra, rasymbol, istate->sp);
char *s = get_symtab_entry(istate->epc);
if (s)
pcsymbol = s;
s = get_symtab_entry(istate->ra);
if (s)
rasymbol = s;
printf("PC: %#x(%s) RA: %#x(%s), SP(%p)\n", istate->epc, pcsymbol, istate->ra, rasymbol, istate->sp);
}
 
static void unhandled_exception(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "Unhandled exception %s.", exctable[n]);
fault_if_from_uspace(istate, "unhandled exception %s", exctable[n]);
print_regdump(istate);
panic("Unhandled exception %s.", exctable[n]);
panic("unhandled exception %s\n", exctable[n]);
}
 
static void reserved_instr_exception(int n, istate_t *istate)
128,8 → 133,8
if (cp0_cause_coperr(cp0_cause_read()) == fpu_cop_id)
scheduler_fpu_lazy_request();
else {
fault_if_from_uspace(istate, "Unhandled Coprocessor Unusable Exception.");
panic("Unhandled Coprocessor Unusable Exception.");
fault_if_from_uspace(istate, "unhandled Coprocessor Unusable Exception");
panic("unhandled Coprocessor Unusable Exception\n");
}
}
#endif
140,7 → 145,7
int i;
/* decode interrupt number and process the interrupt */
cause = (cp0_cause_read() >> 8) & 0xff;
cause = (cp0_cause_read() >> 8) &0xff;
for (i = 0; i < 8; i++) {
if (cause & (1 << i)) {
149,7 → 154,7
/*
* The IRQ handler was found.
*/
irq->handler(irq);
irq->handler(irq, irq->arg);
spinlock_unlock(&irq->lock);
} else {
/*
156,8 → 161,7
* Spurious interrupt.
*/
#ifdef CONFIG_DEBUG
printf("cpu%u: spurious interrupt (inum=%d)\n",
CPU->id, i);
printf("cpu%u: spurious interrupt (inum=%d)\n", CPU->id, i);
#endif
}
}
167,7 → 171,7
/** Handle syscall userspace call */
static void syscall_exception(int n, istate_t *istate)
{
panic("Syscall is handled through shortcut.");
panic("Syscall is handled through shortcut");
}
 
void exception_init(void)
/branches/arm/kernel/arch/mips32/src/cpu/cpu.c
48,7 → 48,7
{ "MIPS", "R2000" }, /* 0x01 */
{ "MIPS", "R3000" }, /* 0x02 */
{ "MIPS", "R6000" }, /* 0x03 */
{ "MIPS", "R4000/R4400" }, /* 0x04 */
{ "MIPS", " R4000/R4400" }, /* 0x04 */
{ "LSI Logic", "R3000" }, /* 0x05 */
{ "MIPS", "R6000A" }, /* 0x06 */
{ "IDT", "3051/3052" }, /* 0x07 */
123,9 → 123,9
data = &imp_data[m->arch.imp_num];
}
 
printf("cpu%u: %s %s (rev=%d.%d, imp=%d)\n",
printf("cpu%d: %s %s (rev=%d.%d, imp=%d)\n",
m->id, data->vendor, data->model, m->arch.rev_num >> 4,
m->arch.rev_num & 0x0f, m->arch.imp_num);
m->arch.rev_num & 0xf, m->arch.imp_num);
}
 
/** @}
/branches/arm/kernel/arch/mips32/src/smp/dorder.c
File deleted
/branches/arm/kernel/arch/mips32/src/smp/smp.c
File deleted
/branches/arm/kernel/arch/mips32/src/smp/order.c
0,0 → 1,45
/*
* Copyright (c) 2007 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup mips32
* @{
*/
/** @file
*/
 
#include <arch/smp/order.h>
 
#define MSIM_ORDER_ADDRESS 0xB0000004
 
void ipi_broadcast_arch(int ipi)
{
*((volatile unsigned int *) MSIM_ORDER_ADDRESS) = 0x7FFFFFFF;
}
 
/** @}
*/
/branches/arm/kernel/arch/mips32/src/cache.c
38,7 → 38,7
 
void cache_error(istate_t *istate)
{
panic("cache_error exception (epc=%p).", istate->epc);
panic("cache_error exception (epc=%p)\n", istate->epc);
}
 
/** @}
/branches/arm/kernel/arch/mips32/src/fpu_context.c
40,7 → 40,7
 
void fpu_disable(void)
{
#ifdef CONFIG_FPU
#ifdef ARCH_HAS_FPU
cp0_status_write(cp0_status_read() & ~cp0_status_fpu_bit);
#endif
}
47,7 → 47,7
 
void fpu_enable(void)
{
#ifdef CONFIG_FPU
#ifdef ARCH_HAS_FPU
cp0_status_write(cp0_status_read() | cp0_status_fpu_bit);
#endif
}
/branches/arm/kernel/arch/mips32/src/dummy.S
0,0 → 1,41
#
# Copyright (c) 2003-2004 Jakub Jermar
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# - Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# - Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# - The name of the author may not be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
 
.text
.set noat
 
.global calibrate_delay_loop
.global asm_delay_loop
.global dummy
calibrate_delay_loop:
asm_delay_loop:
 
dummy:
j $31
nop
/branches/arm/kernel/arch/mips32/Makefile.inc
29,51 → 29,87
## Toolchain configuration
#
 
ifndef CROSS_PREFIX
CROSS_PREFIX = /usr/local
endif
 
BFD_ARCH = mips
BFD = binary
TARGET = mipsel-linux-gnu
TOOLCHAIN_DIR = $(CROSS_PREFIX)/mipsel
 
GCC_CFLAGS += -mno-abicalls -G 0 -fno-zero-initialized-in-bss -mips3
KERNEL_LOAD_ADDRESS = 0x80100000
 
BITS = 32
GCC_CFLAGS += -mno-abicalls -G 0 -fno-zero-initialized-in-bss
 
DEFS += -D__32_BITS__ -DMACHINE=$(MACHINE) -DKERNEL_LOAD_ADDRESS=${KERNEL_LOAD_ADDRESS}
 
## Compile with hierarchical page tables support.
#
 
CONFIG_PAGE_PT = y
DEFS += -DCONFIG_PAGE_PT
 
## Compile with support for address space identifiers.
#
 
CONFIG_ASID = y
CONFIG_ASID_FIFO = y
 
## Accepted MACHINEs
#
 
ifeq ($(MACHINE),lgxemul)
BFD_NAME = elf32-tradlittlemips
ENDIANESS = LE
BFD = binary
GCC_CFLAGS += -DFB_INVERT_ENDIAN -DARCH_HAS_FPU -mips3
endif
ifeq ($(MACHINE),bgxemul)
BFD_NAME = elf32-tradbigmips
TOOLCHAIN_DIR = $(CROSS_PREFIX)/mips
TARGET = mips-linux-gnu
ENDIANESS = BE
GCC_CFLAGS += -D__BE__
BFD_NAME = elf32-bigmips
BFD = ecoff-bigmips
TARGET = mips-sgi-irix5
TOOLCHAIN_DIR = $(CROSS_PREFIX)/mips/bin
GCC_CFLAGS += -EB -DBIG_ENDIAN -DARCH_HAS_FPU -mips3
endif
ifeq ($(MACHINE),simics)
# SIMICS 4kc emulation is broken, although for instructions
# that do not bother us
BFD_NAME = elf32-tradlittlemips
BFD = elf32-tradlittlemips
GCC_CFLAGS += -mhard-float -mips3 -DTLBCNT=16
TLBCNT = 16
endif
ifeq ($(MACHINE),msim)
BFD_NAME = elf32-tradlittlemips
ENDIANESS = LE
GCC_CFLAGS += -mhard-float
BFD = binary
GCC_CFLAGS += -mhard-float -mips3
endif
 
## Compile with support for software integer division.
#
 
CONFIG_SOFTINT = y
 
 
ARCH_SOURCES = \
arch/$(KARCH)/src/start.S \
arch/$(KARCH)/src/context.S \
arch/$(KARCH)/src/panic.S \
arch/$(KARCH)/src/mips32.c \
arch/$(KARCH)/src/asm.S \
arch/$(KARCH)/src/exception.c \
arch/$(KARCH)/src/interrupt.c \
arch/$(KARCH)/src/cache.c \
arch/$(KARCH)/src/debugger.c \
arch/$(KARCH)/src/cpu/cpu.c \
arch/$(KARCH)/src/mm/frame.c \
arch/$(KARCH)/src/mm/page.c \
arch/$(KARCH)/src/mm/tlb.c \
arch/$(KARCH)/src/mm/as.c \
arch/$(KARCH)/src/fpu_context.c \
arch/$(KARCH)/src/ddi/ddi.c \
arch/$(KARCH)/src/smp/dorder.c \
arch/$(KARCH)/src/smp/smp.c
arch/$(ARCH)/src/start.S \
arch/$(ARCH)/src/context.S \
arch/$(ARCH)/src/panic.S \
arch/$(ARCH)/src/mips32.c \
arch/$(ARCH)/src/dummy.S \
arch/$(ARCH)/src/console.c \
arch/$(ARCH)/src/asm.S \
arch/$(ARCH)/src/exception.c \
arch/$(ARCH)/src/interrupt.c \
arch/$(ARCH)/src/cache.c \
arch/$(ARCH)/src/debugger.c \
arch/$(ARCH)/src/cpu/cpu.c \
arch/$(ARCH)/src/mm/frame.c \
arch/$(ARCH)/src/mm/page.c \
arch/$(ARCH)/src/mm/tlb.c \
arch/$(ARCH)/src/mm/as.c \
arch/$(ARCH)/src/fpu_context.c \
arch/$(ARCH)/src/ddi/ddi.c \
arch/$(ARCH)/src/drivers/msim.c \
arch/$(ARCH)/src/drivers/serial.c \
arch/$(ARCH)/src/smp/order.c
/branches/arm/kernel/arch/mips32/include/drivers/serial.h
0,0 → 1,76
/*
* Copyright (c) 2005 Ondrej Palkovsky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup mips32
* @{
*/
/** @file
*/
 
#ifndef KERN_mips32_SERIAL_H_
#define KERN_mips32_SERIAL_H_
 
#include <console/chardev.h>
 
#define SERIAL_ADDRESS 0x98000000
 
#define SERIAL_MAX 4
#define SERIAL_COM1 0x3f8
#define SERIAL_COM1_IRQ 4
#define SERIAL_COM2 0x2f8
#define SERIAL_COM2_IRQ 3
 
#define P_WRITEB(where, what) (*((volatile char *) (SERIAL_ADDRESS + where)) = what)
#define P_READB(where) (*((volatile char *) (SERIAL_ADDRESS + where)))
 
#define SERIAL_READ(x) P_READB(x)
#define SERIAL_WRITE(x, c) P_WRITEB(x, c)
 
/* Interrupt enable register */
#define SERIAL_READ_IER(x) (P_READB((x) + 1))
#define SERIAL_WRITE_IER(x,c) (P_WRITEB((x) + 1, c))
 
/* Interrupt identification register */
#define SERIAL_READ_IIR(x) (P_READB((x) + 2))
 
/* Line status register */
#define SERIAL_READ_LSR(x) (P_READB((x) + 5))
#define TRANSMIT_EMPTY_BIT 5
 
typedef struct {
int port;
int irq;
}serial_t;
 
extern void serial_console(devno_t devno);
extern int serial_init(void);
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/mips32/include/drivers/msim.h
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup mips32
/** @addtogroup mips32
* @{
*/
/** @file
36,10 → 36,16
#define KERN_mips32_MSIM_H_
 
/** Address of devices. */
#define MSIM_VIDEORAM 0x90000000
#define MSIM_KBD_ADDRESS 0x90000000
#define MSIM_KBD_IRQ 2
#define MSIM_VIDEORAM 0x90000000
#define MSIM_KBD_ADDRESS 0x90000000
#define MSIM_KBD_IRQ 2
 
#include <console/chardev.h>
 
void msim_console(devno_t devno);
void msim_kbd_release(void);
void msim_kbd_grab(void);
 
#endif
 
/** @}
/branches/arm/kernel/arch/mips32/include/mm/page.h
112,21 → 112,21
 
/* Get PTE flags accessors for each level. */
#define GET_PTL1_FLAGS_ARCH(ptl0, i) \
get_pt_flags((pte_t *) (ptl0), (size_t) (i))
get_pt_flags((pte_t *) (ptl0), (index_t) (i))
#define GET_PTL2_FLAGS_ARCH(ptl1, i) \
PAGE_PRESENT
#define GET_PTL3_FLAGS_ARCH(ptl2, i) \
PAGE_PRESENT
#define GET_FRAME_FLAGS_ARCH(ptl3, i) \
get_pt_flags((pte_t *) (ptl3), (size_t) (i))
get_pt_flags((pte_t *) (ptl3), (index_t) (i))
 
/* Set PTE flags accessors for each level. */
#define SET_PTL1_FLAGS_ARCH(ptl0, i, x) \
set_pt_flags((pte_t *) (ptl0), (size_t) (i), (x))
set_pt_flags((pte_t *) (ptl0), (index_t) (i), (x))
#define SET_PTL2_FLAGS_ARCH(ptl1, i, x)
#define SET_PTL3_FLAGS_ARCH(ptl2, i, x)
#define SET_FRAME_FLAGS_ARCH(ptl3, i, x) \
set_pt_flags((pte_t *) (ptl3), (size_t) (i), (x))
set_pt_flags((pte_t *) (ptl3), (index_t) (i), (x))
 
/* Last-level info macros. */
#define PTE_VALID_ARCH(pte) (*((uint32_t *) (pte)) != 0)
140,7 → 140,7
#include <mm/mm.h>
#include <arch/exception.h>
 
static inline int get_pt_flags(pte_t *pt, size_t i)
static inline int get_pt_flags(pte_t *pt, index_t i)
{
pte_t *p = &pt[i];
153,7 → 153,7
(p->g << PAGE_GLOBAL_SHIFT));
}
 
static inline void set_pt_flags(pte_t *pt, size_t i, int flags)
static inline void set_pt_flags(pte_t *pt, index_t i, int flags)
{
pte_t *p = &pt[i];
/branches/arm/kernel/arch/mips32/include/mm/tlb.h
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup mips32mm
/** @addtogroup mips32mm
* @{
*/
/** @file
40,38 → 40,42
#include <arch/mm/asid.h>
#include <arch/exception.h>
 
#define TLB_ENTRY_COUNT 48
#ifdef TLBCNT
# define TLB_ENTRY_COUNT TLBCNT
#else
# define TLB_ENTRY_COUNT 48
#endif
 
#define TLB_WIRED 1
#define TLB_KSTACK_WIRED_INDEX 0
#define TLB_WIRED 1
#define TLB_KSTACK_WIRED_INDEX 0
 
#define TLB_PAGE_MASK_4K (0x000 << 13)
#define TLB_PAGE_MASK_16K (0x003 << 13)
#define TLB_PAGE_MASK_64K (0x00f << 13)
#define TLB_PAGE_MASK_256K (0x03f << 13)
#define TLB_PAGE_MASK_1M (0x0ff << 13)
#define TLB_PAGE_MASK_4M (0x3ff << 13)
#define TLB_PAGE_MASK_16M (0xfff << 13)
#define TLB_PAGE_MASK_4K (0x000 << 13)
#define TLB_PAGE_MASK_16K (0x003 << 13)
#define TLB_PAGE_MASK_64K (0x00f << 13)
#define TLB_PAGE_MASK_256K (0x03f << 13)
#define TLB_PAGE_MASK_1M (0x0ff << 13)
#define TLB_PAGE_MASK_4M (0x3ff << 13)
#define TLB_PAGE_MASK_16M (0xfff << 13)
 
#define PAGE_UNCACHED 2
#define PAGE_CACHEABLE_EXC_WRITE 5
#define PAGE_UNCACHED 2
#define PAGE_CACHEABLE_EXC_WRITE 5
 
typedef union {
struct {
#ifdef BIG_ENDIAN
unsigned : 2; /* zero */
unsigned pfn : 24; /* frame number */
unsigned c : 3; /* cache coherency attribute */
unsigned d : 1; /* dirty/write-protect bit */
unsigned v : 1; /* valid bit */
unsigned g : 1; /* global bit */
unsigned : 2; /* zero */
unsigned pfn : 24; /* frame number */
unsigned c : 3; /* cache coherency attribute */
unsigned d : 1; /* dirty/write-protect bit */
unsigned v : 1; /* valid bit */
unsigned g : 1; /* global bit */
#else
unsigned g : 1; /* global bit */
unsigned v : 1; /* valid bit */
unsigned d : 1; /* dirty/write-protect bit */
unsigned c : 3; /* cache coherency attribute */
unsigned pfn : 24; /* frame number */
unsigned : 2; /* zero */
unsigned g : 1; /* global bit */
unsigned v : 1; /* valid bit */
unsigned d : 1; /* dirty/write-protect bit */
unsigned c : 3; /* cache coherency attribute */
unsigned pfn : 24; /* frame number */
unsigned : 2; /* zero */
#endif
} __attribute__ ((packed));
uint32_t value;
159,7 → 163,7
asm volatile ("tlbwr\n\t");
}
 
#define tlb_invalidate(asid) tlb_invalidate_asid(asid)
#define tlb_invalidate(asid) tlb_invalidate_asid(asid)
 
extern void tlb_invalid(istate_t *istate);
extern void tlb_refill(istate_t *istate);
/branches/arm/kernel/arch/mips32/include/mm/frame.h
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup mips32mm
/** @addtogroup mips32mm
* @{
*/
/** @file
35,14 → 35,12
#ifndef KERN_mips32_FRAME_H_
#define KERN_mips32_FRAME_H_
 
#define FRAME_WIDTH 14 /* 16K */
#define FRAME_SIZE (1 << FRAME_WIDTH)
#define FRAME_WIDTH 14 /* 16K */
#define FRAME_SIZE (1 << FRAME_WIDTH)
 
#ifdef KERNEL
#ifndef __ASM__
 
#include <typedefs.h>
 
extern void frame_arch_init(void);
extern void physmem_print(void);
 
/branches/arm/kernel/arch/mips32/include/mm/asid.h
37,7 → 37,7
 
#include <arch/types.h>
 
#define ASID_MAX_ARCH 255 /* 2^8 - 1 */
#define ASID_MAX_ARCH 255 /* 2^8 - 1 */
 
typedef uint8_t asid_t;
 
/branches/arm/kernel/arch/mips32/include/atomic.h
35,14 → 35,14
#ifndef KERN_mips32_ATOMIC_H_
#define KERN_mips32_ATOMIC_H_
 
#define atomic_inc(x) ((void) atomic_add(x, 1))
#define atomic_dec(x) ((void) atomic_add(x, -1))
#define atomic_inc(x) ((void) atomic_add(x, 1))
#define atomic_dec(x) ((void) atomic_add(x, -1))
 
#define atomic_postinc(x) (atomic_add(x, 1) - 1)
#define atomic_postdec(x) (atomic_add(x, -1) + 1)
#define atomic_postinc(x) (atomic_add(x, 1) - 1)
#define atomic_postdec(x) (atomic_add(x, -1) + 1)
 
#define atomic_preinc(x) atomic_add(x, 1)
#define atomic_predec(x) atomic_add(x, -1)
#define atomic_preinc(x) atomic_add(x, 1)
#define atomic_predec(x) atomic_add(x, -1)
 
/* Atomic addition of immediate value.
*
54,37 → 54,19
static inline long atomic_add(atomic_t *val, int i)
{
long tmp, v;
 
asm volatile (
"1:\n"
" ll %0, %1\n"
" addu %0, %0, %3\n" /* same as addi, but never traps on overflow */
" move %2, %0\n"
" addu %0, %0, %3\n" /* same as addi, but never traps on overflow */
" move %2, %0\n"
" sc %0, %1\n"
" beq %0, %4, 1b\n" /* if the atomic operation failed, try again */
" beq %0, %4, 1b\n" /* if the atomic operation failed, try again */
" nop\n"
: "=&r" (tmp), "+m" (val->count), "=&r" (v)
: "r" (i), "i" (0)
);
return v;
}
);
 
static inline uint32_t test_and_set(atomic_t *val) {
uint32_t tmp, v;
asm volatile (
"1:\n"
" ll %2, %1\n"
" bnez %2, 2f\n"
" li %0, %3\n"
" sc %0, %1\n"
" beqz %0, 1b\n"
"2:\n"
: "=&r" (tmp), "+m" (val->count), "=&r" (v)
: "i" (1)
);
return v;
}
 
/branches/arm/kernel/arch/mips32/include/types.h
46,6 → 46,8
typedef unsigned long long uint64_t;
 
typedef uint32_t size_t;
typedef uint32_t count_t;
typedef uint32_t index_t;
 
typedef uint32_t uintptr_t;
typedef uint32_t pfn_t;
55,11 → 57,10
typedef uint32_t unative_t;
typedef int32_t native_t;
 
typedef struct {
} fncptr_t;
 
#define PRIp "x" /**< Format for uintptr_t. */
#define PRIs "u" /**< Format for size_t. */
#define PRIc "u" /**< Format for count_t. */
#define PRIi "u" /**< Format for index_t. */
 
#define PRId8 "d" /**< Format for int8_t. */
#define PRId16 "d" /**< Format for int16_t. */
/branches/arm/kernel/arch/mips32/include/byteorder.h
0,0 → 1,47
/*
* Copyright (c) 2005 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup mips32
* @{
*/
/** @file
*/
 
#ifndef KERN_mips32_BYTEORDER_H_
#define KERN_mips32_BYTEORDER_H_
 
#ifdef BIG_ENDIAN
#define ARCH_IS_BIG_ENDIAN
#else
#define ARCH_IS_LITTLE_ENDIAN
#endif
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/mips32/include/context_offset.h
76,17 → 76,26
#define EOFFSET_T5 0x30
#define EOFFSET_T6 0x34
#define EOFFSET_T7 0x38
#define EOFFSET_T8 0x3c
#define EOFFSET_T9 0x40
#define EOFFSET_GP 0x44
#define EOFFSET_SP 0x48
#define EOFFSET_RA 0x4c
#define EOFFSET_LO 0x50
#define EOFFSET_HI 0x54
#define EOFFSET_STATUS 0x58
#define EOFFSET_EPC 0x5c
#define EOFFSET_K1 0x60
#define REGISTER_SPACE 104 /* respect stack alignment */
#define EOFFSET_S0 0x3c
#define EOFFSET_S1 0x40
#define EOFFSET_S2 0x44
#define EOFFSET_S3 0x48
#define EOFFSET_S4 0x4c
#define EOFFSET_S5 0x50
#define EOFFSET_S6 0x54
#define EOFFSET_S7 0x58
#define EOFFSET_T8 0x5c
#define EOFFSET_T9 0x60
#define EOFFSET_GP 0x64
#define EOFFSET_SP 0x68
#define EOFFSET_S8 0x6c
#define EOFFSET_RA 0x70
#define EOFFSET_LO 0x74
#define EOFFSET_HI 0x78
#define EOFFSET_STATUS 0x7c
#define EOFFSET_EPC 0x80
#define EOFFSET_K1 0x84
#define REGISTER_SPACE 136
 
#ifdef __ASM__
 
105,10 → 114,10
sw $s8,OFFSET_S8(\ctx)
sw $gp,OFFSET_GP(\ctx)
 
#ifndef KERNEL
#ifndef KERNEL
sw $k1,OFFSET_TLS(\ctx)
 
#ifdef CONFIG_FPU
# ifdef CONFIG_MIPS_FPU
mfc1 $t0,$20
sw $t0, OFFSET_F20(\ctx)
 
141,7 → 150,7
mfc1 $t0,$30
sw $t0, OFFSET_F30(\ctx)
#endif /* CONFIG_FPU */
# endif /* CONFIG_MIPS_FPU */
#endif /* KERNEL */
 
sw $ra,OFFSET_PC(\ctx)
163,7 → 172,7
#ifndef KERNEL
lw $k1,OFFSET_TLS(\ctx)
 
#ifdef CONFIG_FPU
# ifdef CONFIG_MIPS_FPU
lw $t0, OFFSET_F20(\ctx)
mtc1 $t0,$20
 
196,9 → 205,9
 
lw $t0, OFFSET_F30(\ctx)
mtc1 $t0,$30
#endif /* CONFIG_FPU */
# endif /* CONFIG_MIPS_FPU */
#endif /* KERNEL */
 
lw $ra,OFFSET_PC(\ctx)
lw $sp,OFFSET_SP(\ctx)
.endm
/branches/arm/kernel/arch/mips32/include/smp/dorder.h
File deleted
/branches/arm/kernel/arch/mips32/include/smp/order.h
0,0 → 1,34
/*
* Copyright (c) 2007 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
#ifndef KERN_mips32_ORDER_H_
#define KERN_mips32_ORDER_H_
 
extern void ipi_broadcast_arch(int ipi);
 
#endif
/branches/arm/kernel/arch/mips32/include/interrupt.h
38,11 → 38,9
#include <typedefs.h>
#include <arch/exception.h>
 
#define IVT_ITEMS 32
#define IVT_FIRST 0
#define IVT_ITEMS 32
#define IVT_FIRST 0
 
#define VECTOR_TLB_SHOOTDOWN_IPI EXC_Int
 
extern function virtual_timer_fnc;
extern uint32_t count_hi;
 
/branches/arm/kernel/arch/mips32/include/exception.h
73,10 → 73,19
uint32_t t5;
uint32_t t6;
uint32_t t7;
uint32_t s0;
uint32_t s1;
uint32_t s2;
uint32_t s3;
uint32_t s4;
uint32_t s5;
uint32_t s6;
uint32_t s7;
uint32_t t8;
uint32_t t9;
uint32_t gp;
uint32_t sp;
uint32_t s8;
uint32_t ra;
uint32_t lo;
/branches/arm/kernel/arch/mips32/include/asm.h
36,7 → 36,6
#define KERN_mips32_ASM_H_
 
#include <arch/types.h>
#include <typedefs.h>
#include <config.h>
 
 
56,11 → 55,7
{
uintptr_t v;
asm volatile (
"and %0, $29, %1\n"
: "=r" (v)
: "r" (~(STACK_SIZE-1))
);
asm volatile ("and %0, $29, %1\n" : "=r" (v) : "r" (~(STACK_SIZE-1)));
return v;
}
68,44 → 63,13
extern void cpu_halt(void);
extern void asm_delay_loop(uint32_t t);
extern void userspace_asm(uintptr_t ustack, uintptr_t uspace_uarg,
uintptr_t entry);
uintptr_t entry);
 
extern ipl_t interrupts_disable(void);
extern ipl_t interrupts_enable(void);
extern void interrupts_restore(ipl_t ipl);
extern ipl_t interrupts_read(void);
extern void asm_delay_loop(uint32_t t);
 
static inline void pio_write_8(ioport8_t *port, uint8_t v)
{
*port = v;
}
 
static inline void pio_write_16(ioport16_t *port, uint16_t v)
{
*port = v;
}
 
static inline void pio_write_32(ioport32_t *port, uint32_t v)
{
*port = v;
}
 
static inline uint8_t pio_read_8(ioport8_t *port)
{
return *port;
}
 
static inline uint16_t pio_read_16(ioport16_t *port)
{
return *port;
}
 
static inline uint32_t pio_read_32(ioport32_t *port)
{
return *port;
}
 
#endif
 
/** @}
/branches/arm/kernel/arch/mips32/include/debugger.h
53,7 → 53,7
unative_t instruction; /**< Original instruction */
unative_t nextinstruction; /**< Original instruction following break */
int flags; /**< Flags regarding breakpoint */
size_t counter;
count_t counter;
void (*bkfunc)(void *b, istate_t *istate);
} bpinfo_t;
 
/branches/arm/kernel/arch/mips32/include/cpu.h
42,7 → 42,7
uint32_t imp_num;
uint32_t rev_num;
} cpu_arch_t;
 
#endif
 
/** @}
/branches/arm/kernel/arch/mips32/include/asm/boot.h
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup mips32
/** @addtogroup mips32
* @{
*/
/** @file
/branches/arm/kernel/arch/mips32/include/console.h
0,0 → 1,43
/*
* Copyright (c) 2005 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup mips32
* @{
*/
/** @file
*/
 
#ifndef KERN_mips32_CONSOLE_H_
#define KERN_mips32_CONSOLE_H_
 
extern void console_init(devno_t devno);
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/mips32/include/boot.h
0,0 → 1,48
/*
* Copyright (c) 2006 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
#ifndef KERN_mips32_BOOT_H_
#define KERN_mips32_BOOT_H_
 
#define TASKMAP_MAX_RECORDS 32
 
#include <arch/types.h>
 
typedef struct {
uintptr_t addr;
uint32_t size;
} utask_t;
 
typedef struct {
uint32_t cnt;
utask_t tasks[TASKMAP_MAX_RECORDS];
} bootinfo_t;
 
extern bootinfo_t bootinfo;
 
#endif
/branches/arm/kernel/arch/mips32/include/elf.h
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup mips32
/** @addtogroup mips32
* @{
*/
/** @file
35,15 → 35,15
#ifndef KERN_mips32_ELF_H_
#define KERN_mips32_ELF_H_
 
#define ELF_MACHINE EM_MIPS
#define ELF_MACHINE EM_MIPS
 
#ifdef __BE__
#define ELF_DATA_ENCODING ELFDATA2MSB
#ifdef BIG_ENDIAN
# define ELF_DATA_ENCODING ELFDATA2MSB
#else
#define ELF_DATA_ENCODING ELFDATA2LSB
# define ELF_DATA_ENCODING ELFDATA2LSB
#endif
 
#define ELF_CLASS ELFCLASS32
#define ELF_CLASS ELFCLASS32
 
#endif
 
/branches/arm/kernel/arch/mips32/include/arch.h
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup mips32
/** @addtogroup mips32
* @{
*/
/** @file
35,29 → 35,6
#ifndef KERN_mips32_ARCH_H_
#define KERN_mips32_ARCH_H_
 
#define TASKMAP_MAX_RECORDS 32
#define CPUMAP_MAX_RECORDS 32
 
#define BOOTINFO_TASK_NAME_BUFLEN 32
 
#include <typedefs.h>
 
extern size_t cpu_count;
 
typedef struct {
uintptr_t addr;
uint32_t size;
char name[BOOTINFO_TASK_NAME_BUFLEN];
} utask_t;
 
typedef struct {
uint32_t cpumap;
uint32_t cnt;
utask_t tasks[TASKMAP_MAX_RECORDS];
} bootinfo_t;
 
extern void arch_pre_main(void *entry, bootinfo_t *bootinfo);
 
#endif
 
/** @}
/branches/arm/kernel/arch/mips32/_link.ld.in
1,17 → 1,15
/*
* MIPS32 linker script
*
* MIPS32 linker script
*
* kernel text
* kernel data
*
*
*/
 
#undef mips
#define mips mips
 
#define KERNEL_LOAD_ADDRESS 0x80100000
OUTPUT_ARCH(mips)
 
OUTPUT_ARCH(mips)
ENTRY(kernel_image_start)
 
SECTIONS {
23,9 → 21,9
}
.data : {
kdata_start = .;
*(.data); /* initialized data */
*(.data); /* initialized data */
hardcoded_ktext_size = .;
LONG(ktext_end - ktext_start);
LONG(ktext_end - ktext_start);
hardcoded_kdata_size = .;
LONG(kdata_end - kdata_start);
hardcoded_load_address = .;
35,21 → 33,21
*(.reginfo);
*(.sbss);
*(.scommon);
*(.bss); /* uninitialized static variables */
*(COMMON); /* global variables */
*(.bss); /* uninitialized static variables */
*(COMMON); /* global variables */
symbol_table = .;
*(symtab.*);
*(symtab.*);
}
_gp = . + 0x8000;
.lit8 : { *(.lit8) }
.lit4 : { *(.lit4) }
 
kdata_end = .;
 
/DISCARD/ : {
*(.mdebug*);
*(.pdr);
*(.comment);
*(.note);
*(.mdebug*);
*(.pdr);
*(.comment);
*(.note);
}
}
/branches/arm/kernel/arch/ia64/Makefile.inc
29,6 → 29,10
## Toolchain configuration
#
 
ifndef CROSS_PREFIX
CROSS_PREFIX = /usr/local
endif
 
BFD_NAME = elf64-little
BFD_ARCH = ia64-elf64
TARGET = ia64-pc-linux-gnu
41,35 → 45,56
LFLAGS += -EL
AFLAGS += -mconstant-gp
 
BITS = 64
ENDIANESS = LE
DEFS += -D__64_BITS__ -D$(MACHINE)
 
## Compile with page hash table support.
#
 
CONFIG_PAGE_HT = y
DEFS += -DCONFIG_PAGE_HT
 
## Compile with support for address space identifiers.
#
 
CONFIG_ASID = y
CONFIG_ASID_FIFO = y
 
 
## Compile with support for software integer division.
#
 
CONFIG_SOFTINT = y
 
ARCH_SOURCES = \
arch/$(KARCH)/src/start.S \
arch/$(KARCH)/src/asm.S \
arch/$(KARCH)/src/dummy.s \
arch/$(KARCH)/src/ia64.c \
arch/$(KARCH)/src/fpu_context.c \
arch/$(KARCH)/src/context.S \
arch/$(KARCH)/src/cpu/cpu.c \
arch/$(KARCH)/src/ivt.S \
arch/$(KARCH)/src/interrupt.c \
arch/$(KARCH)/src/mm/as.c \
arch/$(KARCH)/src/mm/frame.c \
arch/$(KARCH)/src/mm/page.c \
arch/$(KARCH)/src/mm/tlb.c \
arch/$(KARCH)/src/mm/vhpt.c \
arch/$(KARCH)/src/proc/scheduler.c \
arch/$(KARCH)/src/ddi/ddi.c \
arch/$(KARCH)/src/smp/smp.c \
arch/$(KARCH)/src/drivers/it.c
arch/$(ARCH)/src/start.S \
arch/$(ARCH)/src/asm.S \
arch/$(ARCH)/src/dummy.s \
arch/$(ARCH)/src/ia64.c \
arch/$(ARCH)/src/fpu_context.c \
arch/$(ARCH)/src/context.S \
arch/$(ARCH)/src/cpu/cpu.c \
arch/$(ARCH)/src/ivt.S \
arch/$(ARCH)/src/interrupt.c \
arch/$(ARCH)/src/mm/as.c \
arch/$(ARCH)/src/mm/frame.c \
arch/$(ARCH)/src/mm/page.c \
arch/$(ARCH)/src/mm/tlb.c \
arch/$(ARCH)/src/mm/vhpt.c \
arch/$(ARCH)/src/proc/scheduler.c \
arch/$(ARCH)/src/ddi/ddi.c \
arch/$(ARCH)/src/drivers/it.c
 
ifeq ($(MACHINE),ski)
ARCH_SOURCES += arch/$(KARCH)/src/drivers/ski.c
ARCH_SOURCES += arch/$(ARCH)/src/ski/ski.c
DEFS += -DSKI
# BFD = elf64-ia64-little
BFD = binary
endif
 
ifeq ($(MACHINE),i460GX)
DEFS += -DI460GX
ARCH_SOURCES += arch/$(ARCH)/src/drivers/ega.c
CONFIG_I8042 = y
DEFS += -DI460GX -DCONFIG_I8042
BFD = binary
endif
 
/branches/arm/kernel/arch/ia64/src/smp/smp.c
File deleted
/branches/arm/kernel/arch/ia64/src/asm.S
51,7 → 51,7
 
adds r14 = 7, in1
mov r2 = ar.lc
mov r8 = in0 ;;
mov r8 = in0
and r14 = -8, r14 ;;
cmp.ne p6, p7 = r14, in1
(p7) br.cond.dpnt 3f ;;
128,10 → 128,6
memsetb:
br _memsetb
 
.global memsetw
memsetw:
br _memsetw
 
.global cpu_halt
cpu_halt:
br cpu_halt
/branches/arm/kernel/arch/ia64/src/mm/vhpt.c
41,8 → 41,7
 
uintptr_t vhpt_set_up(void)
{
vhpt_base = frame_alloc(VHPT_WIDTH - FRAME_WIDTH,
FRAME_KA | FRAME_ATOMIC);
vhpt_base = frame_alloc(VHPT_WIDTH - FRAME_WIDTH, FRAME_KA | FRAME_ATOMIC);
if (!vhpt_base)
panic("Kernel configured with VHPT but no memory for table.");
vhpt_invalidate_all();
53,7 → 52,7
void vhpt_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry)
{
region_register rr_save, rr;
size_t vrn;
index_t vrn;
rid_t rid;
uint64_t tag;
 
/branches/arm/kernel/arch/ia64/src/mm/tlb.c
92,7 → 92,7
 
/** Invalidate entries belonging to an address space.
*
* @param asid Address space identifier.
* @param asid Address space identifier.
*/
void tlb_invalidate_asid(asid_t asid)
{
100,7 → 100,7
}
 
 
void tlb_invalidate_pages(asid_t asid, uintptr_t page, size_t cnt)
void tlb_invalidate_pages(asid_t asid, uintptr_t page, count_t cnt)
{
region_register rr;
bool restore_rr = false;
131,45 → 131,59
uint64_t ps;
switch (b) {
case 0: /* cnt 1 - 3 */
case 0: /*cnt 1-3*/
ps = PAGE_WIDTH;
break;
case 1: /* cnt 4 - 15 */
ps = PAGE_WIDTH + 2;
va &= ~((1 << ps) - 1);
case 1: /*cnt 4-15*/
/*cnt=((cnt-1)/4)+1;*/
ps = PAGE_WIDTH+2;
va &= ~((1<<ps)-1);
break;
case 2: /* cnt 16 - 63 */
ps = PAGE_WIDTH + 4;
va &= ~((1 << ps) - 1);
case 2: /*cnt 16-63*/
/*cnt=((cnt-1)/16)+1;*/
ps = PAGE_WIDTH+4;
va &= ~((1<<ps)-1);
break;
case 3: /* cnt 64 - 255 */
ps = PAGE_WIDTH + 6;
va &= ~((1 << ps) - 1);
case 3: /*cnt 64-255*/
/*cnt=((cnt-1)/64)+1;*/
ps = PAGE_WIDTH+6;
va &= ~((1<<ps)-1);
break;
case 4: /* cnt 256 - 1023 */
ps = PAGE_WIDTH + 8;
va &= ~((1 << ps) - 1);
case 4: /*cnt 256-1023*/
/*cnt=((cnt-1)/256)+1;*/
ps = PAGE_WIDTH+8;
va &= ~((1<<ps)-1);
break;
case 5: /* cnt 1024 - 4095 */
ps = PAGE_WIDTH + 10;
va &= ~((1 << ps) - 1);
case 5: /*cnt 1024-4095*/
/*cnt=((cnt-1)/1024)+1;*/
ps = PAGE_WIDTH+10;
va &= ~((1<<ps)-1);
break;
case 6: /* cnt 4096 - 16383 */
ps = PAGE_WIDTH + 12;
va &= ~((1 << ps) - 1);
case 6: /*cnt 4096-16383*/
/*cnt=((cnt-1)/4096)+1;*/
ps = PAGE_WIDTH+12;
va &= ~((1<<ps)-1);
break;
case 7: /* cnt 16384 - 65535 */
case 8: /* cnt 65536 - (256K - 1) */
ps = PAGE_WIDTH + 14;
va &= ~((1 << ps) - 1);
case 7: /*cnt 16384-65535*/
case 8: /*cnt 65536-(256K-1)*/
/*cnt=((cnt-1)/16384)+1;*/
ps = PAGE_WIDTH+14;
va &= ~((1<<ps)-1);
break;
default:
ps = PAGE_WIDTH + 18;
va &= ~((1 << ps) - 1);
/*cnt=((cnt-1)/(16384*16))+1;*/
ps=PAGE_WIDTH+18;
va&=~((1<<ps)-1);
break;
}
for(; va < (page + cnt * PAGE_SIZE); va += (1 << ps))
asm volatile ("ptc.l %0, %1;;" :: "r" (va), "r" (ps << 2));
/*cnt+=(page!=va);*/
for(; va<(page+cnt*(PAGE_SIZE)); va += (1<<ps)) {
asm volatile (
"ptc.l %0,%1;;"
:
: "r" (va), "r" (ps<<2)
);
}
srlz_d();
srlz_i();
182,10 → 196,9
 
/** Insert data into data translation cache.
*
* @param va Virtual page address.
* @param asid Address space identifier.
* @param entry The rest of TLB entry as required by TLB insertion
* format.
* @param va Virtual page address.
* @param asid Address space identifier.
* @param entry The rest of TLB entry as required by TLB insertion format.
*/
void dtc_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry)
{
194,10 → 207,9
 
/** Insert data into instruction translation cache.
*
* @param va Virtual page address.
* @param asid Address space identifier.
* @param entry The rest of TLB entry as required by TLB insertion
* format.
* @param va Virtual page address.
* @param asid Address space identifier.
* @param entry The rest of TLB entry as required by TLB insertion format.
*/
void itc_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry)
{
206,12 → 218,10
 
/** Insert data into instruction or data translation cache.
*
* @param va Virtual page address.
* @param asid Address space identifier.
* @param entry The rest of TLB entry as required by TLB insertion
* format.
* @param dtc If true, insert into data translation cache, use
* instruction translation cache otherwise.
* @param va Virtual page address.
* @param asid Address space identifier.
* @param entry The rest of TLB entry as required by TLB insertion format.
* @param dtc If true, insert into data translation cache, use instruction translation cache otherwise.
*/
void tc_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, bool dtc)
{
234,20 → 244,19
}
asm volatile (
"mov r8 = psr;;\n"
"mov r8=psr;;\n"
"rsm %0;;\n" /* PSR_IC_MASK */
"srlz.d;;\n"
"srlz.i;;\n"
"mov cr.ifa = %1\n" /* va */
"mov cr.itir = %2;;\n" /* entry.word[1] */
"cmp.eq p6,p7 = %4,r0;;\n" /* decide between itc and dtc */
"mov cr.ifa=%1\n" /* va */
"mov cr.itir=%2;;\n" /* entry.word[1] */
"cmp.eq p6,p7 = %4,r0;;\n" /* decide between itc and dtc */
"(p6) itc.i %3;;\n"
"(p7) itc.d %3;;\n"
"mov psr.l = r8;;\n"
"mov psr.l=r8;;\n"
"srlz.d;;\n"
:
: "i" (PSR_IC_MASK), "r" (va), "r" (entry.word[1]),
"r" (entry.word[0]), "r" (dtc)
: "i" (PSR_IC_MASK), "r" (va), "r" (entry.word[1]), "r" (entry.word[0]), "r" (dtc)
: "p6", "p7", "r8"
);
260,14 → 269,12
 
/** Insert data into instruction translation register.
*
* @param va Virtual page address.
* @param asid Address space identifier.
* @param entry The rest of TLB entry as required by TLB insertion
* format.
* @param tr Translation register.
* @param va Virtual page address.
* @param asid Address space identifier.
* @param entry The rest of TLB entry as required by TLB insertion format.
* @param tr Translation register.
*/
void
itr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, size_t tr)
void itr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, index_t tr)
{
tr_mapping_insert(va, asid, entry, false, tr);
}
274,14 → 281,12
 
/** Insert data into data translation register.
*
* @param va Virtual page address.
* @param asid Address space identifier.
* @param entry The rest of TLB entry as required by TLB insertion
* format.
* @param tr Translation register.
* @param va Virtual page address.
* @param asid Address space identifier.
* @param entry The rest of TLB entry as required by TLB insertion format.
* @param tr Translation register.
*/
void
dtr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, size_t tr)
void dtr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, index_t tr)
{
tr_mapping_insert(va, asid, entry, true, tr);
}
288,17 → 293,13
 
/** Insert data into instruction or data translation register.
*
* @param va Virtual page address.
* @param asid Address space identifier.
* @param entry The rest of TLB entry as required by TLB insertion
* format.
* @param dtr If true, insert into data translation register, use
* instruction translation register otherwise.
* @param tr Translation register.
* @param va Virtual page address.
* @param asid Address space identifier.
* @param entry The rest of TLB entry as required by TLB insertion format.
* @param dtr If true, insert into data translation register, use instruction translation register otherwise.
* @param tr Translation register.
*/
void
tr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, bool dtr,
size_t tr)
void tr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, bool dtr, index_t tr)
{
region_register rr;
bool restore_rr = false;
319,20 → 320,19
}
 
asm volatile (
"mov r8 = psr;;\n"
"mov r8=psr;;\n"
"rsm %0;;\n" /* PSR_IC_MASK */
"srlz.d;;\n"
"srlz.i;;\n"
"mov cr.ifa = %1\n" /* va */
"mov cr.itir = %2;;\n" /* entry.word[1] */
"cmp.eq p6,p7 = %5,r0;;\n" /* decide between itr and dtr */
"(p6) itr.i itr[%4] = %3;;\n"
"(p7) itr.d dtr[%4] = %3;;\n"
"mov psr.l = r8;;\n"
"mov cr.ifa=%1\n" /* va */
"mov cr.itir=%2;;\n" /* entry.word[1] */
"cmp.eq p6,p7=%5,r0;;\n" /* decide between itr and dtr */
"(p6) itr.i itr[%4]=%3;;\n"
"(p7) itr.d dtr[%4]=%3;;\n"
"mov psr.l=r8;;\n"
"srlz.d;;\n"
:
: "i" (PSR_IC_MASK), "r" (va), "r" (entry.word[1]),
"r" (entry.word[0]), "r" (tr), "r" (dtr)
: "i" (PSR_IC_MASK), "r" (va), "r" (entry.word[1]), "r" (entry.word[0]), "r" (tr), "r" (dtr)
: "p6", "p7", "r8"
);
345,15 → 345,12
 
/** Insert data into DTLB.
*
* @param page Virtual page address including VRN bits.
* @param frame Physical frame address.
* @param dtr If true, insert into data translation register, use data
* translation cache otherwise.
* @param tr Translation register if dtr is true, ignored otherwise.
* @param page Virtual page address including VRN bits.
* @param frame Physical frame address.
* @param dtr If true, insert into data translation register, use data translation cache otherwise.
* @param tr Translation register if dtr is true, ignored otherwise.
*/
void
dtlb_kernel_mapping_insert(uintptr_t page, uintptr_t frame, bool dtr,
size_t tr)
void dtlb_kernel_mapping_insert(uintptr_t page, uintptr_t frame, bool dtr, index_t tr)
{
tlb_entry_t entry;
379,18 → 376,18
*
* Purge DTR entries used by the kernel.
*
* @param page Virtual page address including VRN bits.
* @param width Width of the purge in bits.
* @param page Virtual page address including VRN bits.
* @param width Width of the purge in bits.
*/
void dtr_purge(uintptr_t page, size_t width)
void dtr_purge(uintptr_t page, count_t width)
{
asm volatile ("ptr.d %0, %1\n" : : "r" (page), "r" (width << 2));
asm volatile ("ptr.d %0, %1\n" : : "r" (page), "r" (width<<2));
}
 
 
/** Copy content of PTE into data translation cache.
*
* @param t PTE.
* @param t PTE.
*/
void dtc_pte_copy(pte_t *t)
{
416,7 → 413,7
 
/** Copy content of PTE into instruction translation cache.
*
* @param t PTE.
* @param t PTE.
*/
void itc_pte_copy(pte_t *t)
{
443,8 → 440,8
 
/** Instruction TLB fault handler for faults with VHPT turned off.
*
* @param vector Interruption vector.
* @param istate Structure with saved interruption state.
* @param vector Interruption vector.
* @param istate Structure with saved interruption state.
*/
void alternate_instruction_tlb_fault(uint64_t vector, istate_t *istate)
{
472,77 → 469,16
*/
page_table_unlock(AS, true);
if (as_page_fault(va, PF_ACCESS_EXEC, istate) == AS_PF_FAULT) {
fault_if_from_uspace(istate,"Page fault at %p.",va);
panic("%s: va=%p, rid=%d, iip=%p.", __func__, va, rid,
istate->cr_iip);
fault_if_from_uspace(istate,"Page fault at %p",va);
panic("%s: va=%p, rid=%d, iip=%p\n", __func__, va, rid, istate->cr_iip);
}
}
}
 
static int is_io_page_accessible(int page)
{
if (TASK->arch.iomap)
return bitmap_get(TASK->arch.iomap, page);
else
return 0;
}
 
#define IO_FRAME_BASE 0xFFFFC000000
 
/**
* There is special handling of memory mapped legacy io, because of 4KB sized
* access for userspace.
*
* @param va Virtual address of page fault.
* @param istate Structure with saved interruption state.
*
* @return One on success, zero on failure.
*/
static int try_memmap_io_insertion(uintptr_t va, istate_t *istate)
{
if ((va >= IO_OFFSET ) && (va < IO_OFFSET + (1 << IO_PAGE_WIDTH))) {
if (TASK) {
uint64_t io_page = (va & ((1 << IO_PAGE_WIDTH) - 1)) >>
USPACE_IO_PAGE_WIDTH;
 
if (is_io_page_accessible(io_page)) {
uint64_t page, frame;
 
page = IO_OFFSET +
(1 << USPACE_IO_PAGE_WIDTH) * io_page;
frame = IO_FRAME_BASE +
(1 << USPACE_IO_PAGE_WIDTH) * io_page;
 
tlb_entry_t entry;
entry.word[0] = 0;
entry.word[1] = 0;
entry.p = true; /* present */
entry.ma = MA_UNCACHEABLE;
entry.a = true; /* already accessed */
entry.d = true; /* already dirty */
entry.pl = PL_USER;
entry.ar = AR_READ | AR_WRITE;
entry.ppn = frame >> PPN_SHIFT;
entry.ps = USPACE_IO_PAGE_WIDTH;
dtc_mapping_insert(page, TASK->as->asid, entry);
return 1;
} else {
fault_if_from_uspace(istate,
"IO access fault at %p.", va);
}
}
}
return 0;
}
 
/** Data TLB fault handler for faults with VHPT turned off.
*
* @param vector Interruption vector.
* @param istate Structure with saved interruption state.
* @param vector Interruption vector.
* @param istate Structure with saved interruption state.
*/
void alternate_data_tlb_fault(uint64_t vector, istate_t *istate)
{
575,17 → 511,13
dtc_pte_copy(t);
page_table_unlock(AS, true);
} else {
page_table_unlock(AS, true);
if (try_memmap_io_insertion(va, istate))
return;
/*
* Forward the page fault to the address space page fault
* handler.
* Forward the page fault to the address space page fault handler.
*/
page_table_unlock(AS, true);
if (as_page_fault(va, PF_ACCESS_READ, istate) == AS_PF_FAULT) {
fault_if_from_uspace(istate,"Page fault at %p.",va);
panic("%s: va=%p, rid=%d, iip=%p.", __func__, va, rid,
istate->cr_iip);
fault_if_from_uspace(istate,"Page fault at %p",va);
panic("%s: va=%p, rid=%d, iip=%p\n", __func__, va, rid, istate->cr_iip);
}
}
}
594,18 → 526,18
*
* This fault should not occur.
*
* @param vector Interruption vector.
* @param istate Structure with saved interruption state.
* @param vector Interruption vector.
* @param istate Structure with saved interruption state.
*/
void data_nested_tlb_fault(uint64_t vector, istate_t *istate)
{
panic("%s.", __func__);
panic("%s\n", __func__);
}
 
/** Data Dirty bit fault handler.
*
* @param vector Interruption vector.
* @param istate Structure with saved interruption state.
* @param vector Interruption vector.
* @param istate Structure with saved interruption state.
*/
void data_dirty_bit_fault(uint64_t vector, istate_t *istate)
{
630,9 → 562,10
dtc_pte_copy(t);
} else {
if (as_page_fault(va, PF_ACCESS_WRITE, istate) == AS_PF_FAULT) {
fault_if_from_uspace(istate,"Page fault at %p.",va);
panic("%s: va=%p, rid=%d, iip=%p.", __func__, va, rid,
istate->cr_iip);
fault_if_from_uspace(istate,"Page fault at %p",va);
panic("%s: va=%p, rid=%d, iip=%p\n", __func__, va, rid, istate->cr_iip);
t->d = true;
dtc_pte_copy(t);
}
}
page_table_unlock(AS, true);
640,8 → 573,8
 
/** Instruction access bit fault handler.
*
* @param vector Interruption vector.
* @param istate Structure with saved interruption state.
* @param vector Interruption vector.
* @param istate Structure with saved interruption state.
*/
void instruction_access_bit_fault(uint64_t vector, istate_t *istate)
{
666,9 → 599,10
itc_pte_copy(t);
} else {
if (as_page_fault(va, PF_ACCESS_EXEC, istate) == AS_PF_FAULT) {
fault_if_from_uspace(istate, "Page fault at %p.", va);
panic("%s: va=%p, rid=%d, iip=%p.", __func__, va, rid,
istate->cr_iip);
fault_if_from_uspace(istate,"Page fault at %p",va);
panic("%s: va=%p, rid=%d, iip=%p\n", __func__, va, rid, istate->cr_iip);
t->a = true;
itc_pte_copy(t);
}
}
page_table_unlock(AS, true);
702,45 → 636,15
dtc_pte_copy(t);
} else {
if (as_page_fault(va, PF_ACCESS_READ, istate) == AS_PF_FAULT) {
fault_if_from_uspace(istate, "Page fault at %p.", va);
panic("%s: va=%p, rid=%d, iip=%p.", __func__, va, rid,
istate->cr_iip);
fault_if_from_uspace(istate,"Page fault at %p",va);
panic("%s: va=%p, rid=%d, iip=%p\n", __func__, va, rid, istate->cr_iip);
t->a = true;
itc_pte_copy(t);
}
}
page_table_unlock(AS, true);
}
 
/** Data access rights fault handler.
*
* @param vector Interruption vector.
* @param istate Structure with saved interruption state.
*/
void data_access_rights_fault(uint64_t vector, istate_t *istate)
{
region_register rr;
rid_t rid;
uintptr_t va;
pte_t *t;
 
va = istate->cr_ifa; /* faulting address */
rr.word = rr_read(VA2VRN(va));
rid = rr.map.rid;
 
/*
* Assume a write to a read-only page.
*/
page_table_lock(AS, true);
t = page_mapping_find(AS, va);
ASSERT(t && t->p);
ASSERT(!t->w);
if (as_page_fault(va, PF_ACCESS_WRITE, istate) == AS_PF_FAULT) {
fault_if_from_uspace(istate, "Page fault at %p.", va);
panic("%s: va=%p, rid=%d, iip=%p.", __func__, va, rid,
istate->cr_iip);
}
page_table_unlock(AS, true);
}
 
/** Page not present fault handler.
*
* @param vector Interruption vector.
774,19 → 678,11
} else {
page_table_unlock(AS, true);
if (as_page_fault(va, PF_ACCESS_READ, istate) == AS_PF_FAULT) {
fault_if_from_uspace(istate, "Page fault at %p.", va);
panic("%s: va=%p, rid=%d.", __func__, va, rid);
fault_if_from_uspace(istate,"Page fault at %p",va);
panic("%s: va=%p, rid=%d\n", __func__, va, rid);
}
}
}
 
void tlb_arch_init(void)
{
}
 
void tlb_print(void)
{
}
 
/** @}
*/
/branches/arm/kernel/arch/ia64/src/mm/frame.c
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia64mm
/** @addtogroup ia64mm
* @{
*/
/** @file
36,55 → 36,26
#include <mm/frame.h>
#include <config.h>
#include <panic.h>
#include <arch/bootinfo.h>
#include <align.h>
#include <macros.h>
 
#define KERNEL_RESERVED_AREA_BASE (0x4400000)
#define KERNEL_RESERVED_AREA_SIZE (16 * 1024 * 1024)
/*
* This is Ski-specific and certainly not sufficient
* for real ia64 systems that provide memory map.
*/
#define MEMORY_SIZE (64 * 1024 * 1024)
#define MEMORY_BASE (64 * 1024 * 1024)
 
#define ROM_BASE 0xa0000 /* for simulators */
#define ROM_SIZE (384 * 1024) /* for simulators */
 
#define MIN_ZONE_SIZE (64 * 1024)
 
#define MINCONF 1
 
uintptr_t last_frame = 0;
 
#define ROM_BASE 0xa0000 //For ski
#define ROM_SIZE (384 * 1024) //For ski
void poke_char(int x,int y,char ch, char c);
void frame_arch_init(void)
{
if (config.cpu_active == 1) {
unsigned int i;
for (i = 0; i < bootinfo->memmap_items; i++) {
if (bootinfo->memmap[i].type == EFI_MEMMAP_FREE_MEM) {
uint64_t base = bootinfo->memmap[i].base;
uint64_t size = bootinfo->memmap[i].size;
uint64_t abase = ALIGN_UP(base, FRAME_SIZE);
 
if (size > FRAME_SIZE)
size -= abase - base;
 
if (size > MIN_ZONE_SIZE) {
zone_create(abase >> FRAME_WIDTH,
size >> FRAME_WIDTH,
max(MINCONF, abase >> FRAME_WIDTH),
0);
}
if (abase + size > last_frame)
last_frame = abase + size;
}
}
/*
* Blacklist ROM regions.
*/
frame_mark_unavailable(ADDR2PFN(ROM_BASE),
SIZE2FRAMES(ROM_SIZE));
 
frame_mark_unavailable(ADDR2PFN(KERNEL_RESERVED_AREA_BASE),
SIZE2FRAMES(KERNEL_RESERVED_AREA_SIZE));
}
zone_create(MEMORY_BASE >> FRAME_WIDTH, SIZE2FRAMES(MEMORY_SIZE), (MEMORY_SIZE) >> FRAME_WIDTH, 0);
/*
* Blacklist ROM regions.
*/
frame_mark_unavailable(ADDR2PFN(ROM_BASE), SIZE2FRAMES(ROM_SIZE));
}
 
/** @}
/branches/arm/kernel/arch/ia64/src/mm/as.c
68,7 → 68,7
continue;
rr.word = rr_read(i);
rr.map.ve = false; /* disable VHPT walker */
rr.map.ve = false; /* disable VHPT walker */
rr.map.rid = ASID2RID(as->asid, i);
rr.map.ps = PAGE_WIDTH;
rr_write(i, rr.word);
/branches/arm/kernel/arch/ia64/src/mm/page.c
27,7 → 27,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia64mm
/** @addtogroup ia64mm
* @{
*/
/** @file
47,7 → 47,6
#include <arch/asm.h>
#include <arch/barrier.h>
#include <memstr.h>
#include <align.h>
 
static void set_environment(void);
 
63,9 → 62,9
void set_environment(void)
{
region_register rr;
pta_register pta;
pta_register pta;
int i;
#ifdef CONFIG_VHPT
#ifdef CONFIG_VHPT
uintptr_t vhpt_base;
#endif
 
123,15 → 122,15
*
* Interrupts must be disabled.
*
* @param page Address of virtual page including VRN bits.
* @param asid Address space identifier.
* @param page Address of virtual page including VRN bits.
* @param asid Address space identifier.
*
* @return VHPT entry address.
* @return VHPT entry address.
*/
vhpt_entry_t *vhpt_hash(uintptr_t page, asid_t asid)
{
region_register rr_save, rr;
size_t vrn;
index_t vrn;
rid_t rid;
vhpt_entry_t *v;
 
167,16 → 166,15
*
* Interrupts must be disabled.
*
* @param page Address of virtual page including VRN bits.
* @param asid Address space identifier.
* @param page Address of virtual page including VRN bits.
* @param asid Address space identifier.
*
* @return True if page and asid match the page and asid of t,
* false otherwise.
* @return True if page and asid match the page and asid of t, false otherwise.
*/
bool vhpt_compare(uintptr_t page, asid_t asid, vhpt_entry_t *v)
{
region_register rr_save, rr;
size_t vrn;
index_t vrn;
rid_t rid;
bool match;
 
212,18 → 210,15
/** Set up one VHPT entry.
*
* @param v VHPT entry to be set up.
* @param page Virtual address of the page mapped by the entry.
* @param asid Address space identifier of the address space to which
* page belongs.
* @param frame Physical address of the frame to wich page is mapped.
* @param flags Different flags for the mapping.
* @param page Virtual address of the page mapped by the entry.
* @param asid Address space identifier of the address space to which page belongs.
* @param frame Physical address of the frame to wich page is mapped.
* @param flags Different flags for the mapping.
*/
void
vhpt_set_record(vhpt_entry_t *v, uintptr_t page, asid_t asid, uintptr_t frame,
int flags)
void vhpt_set_record(vhpt_entry_t *v, uintptr_t page, asid_t asid, uintptr_t frame, int flags)
{
region_register rr_save, rr;
size_t vrn;
index_t vrn;
rid_t rid;
uint64_t tag;
 
254,8 → 249,7
v->word[3] = 0;
v->present.p = true;
v->present.ma = (flags & PAGE_CACHEABLE) ?
MA_WRITEBACK : MA_UNCACHEABLE;
v->present.ma = (flags & PAGE_CACHEABLE) ? MA_WRITEBACK : MA_UNCACHEABLE;
v->present.a = false; /* not accessed */
v->present.d = false; /* not dirty */
v->present.pl = (flags & PAGE_USER) ? PL_USER : PL_KERNEL;
268,11 → 262,5
v->present.tag.tag_word = tag;
}
 
uintptr_t hw_map(uintptr_t physaddr, size_t size __attribute__ ((unused)))
{
/* THIS is a dirty hack. */
return (uintptr_t)((uint64_t)(PA2KA(physaddr)) + VIO_OFFSET);
}
 
/** @}
*/
/branches/arm/kernel/arch/ia64/src/drivers/ski.c
File deleted
Property changes:
Deleted: svn:mergeinfo
/branches/arm/kernel/arch/ia64/src/drivers/ega.c
0,0 → 1,139
/*
* Copyright (c) 2001-2004 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32
* @{
*/
/**
* @file
* @brief EGA driver.
*/
 
#include <putchar.h>
#include <mm/page.h>
#include <mm/as.h>
#include <arch/mm/page.h>
#include <synch/spinlock.h>
#include <arch/types.h>
#include <arch/asm.h>
#include <memstr.h>
#include <console/chardev.h>
#include <console/console.h>
#include <sysinfo/sysinfo.h>
#include <arch/drivers/ega.h>
 
/*
* The EGA driver.
* Simple and short. Function for displaying characters and "scrolling".
*/
 
SPINLOCK_INITIALIZE(egalock);
static uint32_t ega_cursor;
static uint8_t *videoram;
 
static void ega_putchar(chardev_t *d, const char ch);
 
chardev_t ega_console;
static chardev_operations_t ega_ops = {
.write = ega_putchar
};
 
 
void ega_init(void)
{
videoram = (uint8_t *) (VIDEORAM);
 
/*
* Clear the screen.
*/
_memsetw(videoram, SCREEN, 0x0720);
 
chardev_initialize("ega_out", &ega_console, &ega_ops);
stdout = &ega_console;
sysinfo_set_item_val("fb", NULL, true);
sysinfo_set_item_val("fb.kind", NULL, 2);
sysinfo_set_item_val("fb.width", NULL, ROW);
sysinfo_set_item_val("fb.height", NULL, ROWS);
sysinfo_set_item_val("fb.address.physical", NULL, VIDEORAM);
#ifndef CONFIG_FB
putchar('\n');
#endif
}
 
static void ega_display_char(char ch)
{
videoram[ega_cursor * 2] = ch;
videoram[ega_cursor * 2 + 1] = 7;
}
 
/*
* This function takes care of scrolling.
*/
static void ega_check_cursor(void)
{
if (ega_cursor < SCREEN)
return;
 
memcpy((void *) videoram, (void *) (videoram + ROW * 2), (SCREEN - ROW) * 2);
_memsetw(videoram + (SCREEN - ROW) * 2, ROW, 0x0720);
ega_cursor = ega_cursor - ROW;
}
 
void ega_putchar(chardev_t *d, const char ch)
{
ipl_t ipl;
 
ipl = interrupts_disable();
spinlock_lock(&egalock);
 
switch (ch) {
case '\n':
ega_cursor = (ega_cursor + ROW) - ega_cursor % ROW;
break;
case '\t':
ega_cursor = (ega_cursor + 8) - ega_cursor % 8;
break;
case '\b':
if (ega_cursor % ROW)
ega_cursor--;
break;
default:
ega_display_char(ch);
ega_cursor++;
break;
}
ega_check_cursor();
 
spinlock_unlock(&egalock);
interrupts_restore(ipl);
}
 
/** @}
*/
/branches/arm/kernel/arch/ia64/src/drivers/it.c
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia64
/** @addtogroup ia64
* @{
*/
/** @file
44,44 → 44,25
#include <ddi/device.h>
#include <arch.h>
 
#define IT_SERVICE_CLOCKS 64
#define IT_SERVICE_CLOCKS 64
 
#define FREQ_NUMERATOR_SHIFT 32
#define FREQ_NUMERATOR_MASK 0xffffffff00000000ULL
 
#define FREQ_DENOMINATOR_SHIFT 0
#define FREQ_DENOMINATOR_MASK 0xffffffffULL
 
uint64_t it_delta;
 
static irq_t it_irq;
 
static irq_ownership_t it_claim(irq_t *);
static void it_interrupt(irq_t *);
static irq_ownership_t it_claim(void);
static void it_interrupt(irq_t *irq, void *arg, ...);
 
/** Initialize Interval Timer. */
void it_init(void)
{
cr_itv_t itv;
if (config.cpu_active == 1) {
irq_initialize(&it_irq);
it_irq.inr = INTERRUPT_TIMER;
it_irq.devno = device_assign_devno();
it_irq.claim = it_claim;
it_irq.handler = it_interrupt;
irq_register(&it_irq);
uint64_t base_freq;
base_freq = ((bootinfo->freq_scale) & FREQ_NUMERATOR_MASK) >>
FREQ_NUMERATOR_SHIFT;
base_freq *= bootinfo->sys_freq;
base_freq /= ((bootinfo->freq_scale) & FREQ_DENOMINATOR_MASK) >>
FREQ_DENOMINATOR_SHIFT;
it_delta = base_freq / HZ;
}
 
irq_initialize(&it_irq);
it_irq.inr = INTERRUPT_TIMER;
it_irq.devno = device_assign_devno();
it_irq.claim = it_claim;
it_irq.handler = it_interrupt;
irq_register(&it_irq);
 
/* initialize Interval Timer external interrupt vector */
itv.value = itv_read();
itv.vector = INTERRUPT_TIMER;
104,13 → 85,13
*
* @return Always IRQ_ACCEPT.
*/
irq_ownership_t it_claim(irq_t *irq)
irq_ownership_t it_claim(void)
{
return IRQ_ACCEPT;
}
 
/** Process Interval Timer interrupt. */
void it_interrupt(irq_t *irq)
void it_interrupt(irq_t *irq, void *arg, ...)
{
int64_t c;
int64_t m;
/branches/arm/kernel/arch/ia64/src/ia64.c
33,7 → 33,7
*/
 
#include <arch.h>
#include <arch/drivers/ski.h>
#include <arch/ski/ski.h>
#include <arch/drivers/it.h>
#include <arch/interrupt.h>
#include <arch/barrier.h>
50,91 → 50,64
#include <proc/uarg.h>
#include <syscall/syscall.h>
#include <ddi/irq.h>
#include <ddi/device.h>
#include <arch/drivers/ega.h>
#include <arch/bootinfo.h>
#include <genarch/drivers/legacy/ia32/io.h>
#include <genarch/drivers/ega/ega.h>
#include <genarch/kbrd/kbrd.h>
#include <genarch/srln/srln.h>
#include <genarch/drivers/i8042/i8042.h>
#include <genarch/drivers/ns16550/ns16550.h>
#include <arch/drivers/kbd.h>
#include <smp/smp.h>
#include <smp/ipi.h>
#include <arch/atomic.h>
#include <panic.h>
#include <print.h>
#include <sysinfo/sysinfo.h>
#include <string.h>
#include <genarch/kbd/i8042.h>
 
/* NS16550 as a COM 1 */
#define NS16550_IRQ (4 + LEGACY_INTERRUPT_BASE)
 
bootinfo_t *bootinfo;
 
static uint64_t iosapic_base = 0xfec00000;
 
/** Performs ia64-specific initialization before main_bsp() is called. */
void arch_pre_main(void)
{
/* Setup usermode init tasks. */
 
//#ifdef I460GX
unsigned int i;
init.cnt = bootinfo->taskmap.count;
for (i = 0; i < init.cnt; i++) {
init.tasks[i].addr =
((unsigned long) bootinfo->taskmap.tasks[i].addr) |
VRN_MASK;
init.tasks[i].addr = ((unsigned long) bootinfo->taskmap.tasks[i].addr) | VRN_MASK;
init.tasks[i].size = bootinfo->taskmap.tasks[i].size;
str_cpy(init.tasks[i].name, CONFIG_TASK_NAME_BUFLEN,
bootinfo->taskmap.tasks[i].name);
}
/*
#else
init.cnt = 8;
init.tasks[0].addr = INIT0_ADDRESS;
init.tasks[0].size = INIT0_SIZE;
init.tasks[1].addr = INIT0_ADDRESS + 0x400000;
init.tasks[1].size = INIT0_SIZE;
init.tasks[2].addr = INIT0_ADDRESS + 0x800000;
init.tasks[2].size = INIT0_SIZE;
init.tasks[3].addr = INIT0_ADDRESS + 0xc00000;
init.tasks[3].size = INIT0_SIZE;
init.tasks[4].addr = INIT0_ADDRESS + 0x1000000;
init.tasks[4].size = INIT0_SIZE;
init.tasks[5].addr = INIT0_ADDRESS + 0x1400000;
init.tasks[5].size = INIT0_SIZE;
init.tasks[6].addr = INIT0_ADDRESS + 0x1800000;
init.tasks[6].size = INIT0_SIZE;
init.tasks[7].addr = INIT0_ADDRESS + 0x1c00000;
init.tasks[7].size = INIT0_SIZE;
#endif*/
}
 
void arch_pre_mm_init(void)
{
/*
* Set Interruption Vector Address (i.e. location of interruption vector
* table).
*/
/* Set Interruption Vector Address (i.e. location of interruption vector table). */
iva_write((uintptr_t) &ivt);
srlz_d();
}
 
static void iosapic_init(void)
{
uint64_t IOSAPIC = PA2KA((unative_t)(iosapic_base)) | FW_OFFSET;
int i;
int myid, myeid;
myid = ia64_get_cpu_id();
myeid = ia64_get_cpu_eid();
 
for (i = 0; i < 16; i++) {
if (i == 2)
continue; /* Disable Cascade interrupt */
((uint32_t *)(IOSAPIC + 0x00))[0] = 0x10 + 2 * i;
srlz_d();
((uint32_t *)(IOSAPIC + 0x10))[0] = LEGACY_INTERRUPT_BASE + i;
srlz_d();
((uint32_t *)(IOSAPIC + 0x00))[0] = 0x10 + 2 * i + 1;
srlz_d();
((uint32_t *)(IOSAPIC + 0x10))[0] = myid << (56 - 32) |
myeid << (48 - 32);
srlz_d();
}
 
}
 
void arch_post_mm_init(void)
{
if (config.cpu_active == 1) {
iosapic_init();
irq_init(INR_COUNT, INR_COUNT);
}
irq_init(INR_COUNT, INR_COUNT);
#ifdef SKI
ski_init_console();
#else
ega_init();
#endif
it_init();
}
 
146,73 → 119,51
{
}
 
void arch_post_smp_init(void)
 
#ifdef I460GX
#define POLL_INTERVAL 50000 /* 50 ms */
/** Kernel thread for polling keyboard. */
static void i8042_kkbdpoll(void *arg)
{
#ifdef MACHINE_ski
ski_instance_t *ski_instance = skiin_init();
if (ski_instance) {
srln_instance_t *srln_instance = srln_init();
if (srln_instance) {
indev_t *sink = stdin_wire();
indev_t *srln = srln_wire(srln_instance, sink);
skiin_wire(ski_instance, srln);
}
while (1) {
i8042_poll();
thread_usleep(POLL_INTERVAL);
}
skiout_init();
}
#endif
#ifdef CONFIG_EGA
ega_init(EGA_BASE, EGA_VIDEORAM);
 
void arch_post_smp_init(void)
{
 
if (config.cpu_active == 1) {
/*
* Create thread that polls keyboard.
*/
#ifdef SKI
thread_t *t;
t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll", true);
if (!t)
panic("cannot create kkbdpoll\n");
thread_ready(t);
#endif
 
#ifdef I460GX
devno_t kbd = device_assign_devno();
devno_t mouse = device_assign_devno();
/* keyboard controller */
i8042_init(kbd, IRQ_KBD, mouse, IRQ_MOUSE);
 
thread_t *t;
t = thread_create(i8042_kkbdpoll, NULL, TASK, 0, "kkbdpoll", true);
if (!t)
panic("cannot create kkbdpoll\n");
thread_ready(t);
 
#endif
#ifdef CONFIG_NS16550
ns16550_instance_t *ns16550_instance
= ns16550_init((ns16550_t *) NS16550_BASE, NS16550_IRQ, NULL, NULL);
if (ns16550_instance) {
srln_instance_t *srln_instance = srln_init();
if (srln_instance) {
indev_t *sink = stdin_wire();
indev_t *srln = srln_wire(srln_instance, sink);
ns16550_wire(ns16550_instance, srln);
}
 
}
sysinfo_set_item_val("kbd", NULL, true);
sysinfo_set_item_val("kbd.inr", NULL, NS16550_IRQ);
sysinfo_set_item_val("kbd.type", NULL, KBD_NS16550);
sysinfo_set_item_val("kbd.address.physical", NULL,
(uintptr_t) NS16550_BASE);
sysinfo_set_item_val("kbd.address.kernel", NULL,
(uintptr_t) NS16550_BASE);
#endif
#ifdef CONFIG_I8042
i8042_instance_t *i8042_instance = i8042_init((i8042_t *) I8042_BASE, IRQ_KBD);
if (i8042_instance) {
kbrd_instance_t *kbrd_instance = kbrd_init();
if (kbrd_instance) {
indev_t *sink = stdin_wire();
indev_t *kbrd = kbrd_wire(kbrd_instance, sink);
i8042_wire(i8042_instance, kbrd);
}
}
sysinfo_set_item_val("kbd", NULL, true);
sysinfo_set_item_val("kbd.inr", NULL, IRQ_KBD);
sysinfo_set_item_val("kbd.type", NULL, KBD_LEGACY);
sysinfo_set_item_val("kbd.address.physical", NULL,
(uintptr_t) I8042_BASE);
sysinfo_set_item_val("kbd.address.kernel", NULL,
(uintptr_t) I8042_BASE);
#endif
sysinfo_set_item_val("ia64_iospace", NULL, true);
sysinfo_set_item_val("ia64_iospace.address", NULL, true);
sysinfo_set_item_val("ia64_iospace.address.virtual", NULL, IO_OFFSET);
}
 
 
/** Enter userspace and never return. */
void userspace(uspace_arg_t *kernel_uarg)
{
221,25 → 172,26
 
psr.value = psr_read();
psr.cpl = PL_USER;
psr.i = true; /* start with interrupts enabled */
psr.i = true; /* start with interrupts enabled */
psr.ic = true;
psr.ri = 0; /* start with instruction #0 */
psr.bn = 1; /* start in bank 0 */
psr.ri = 0; /* start with instruction #0 */
psr.bn = 1; /* start in bank 0 */
 
asm volatile ("mov %0 = ar.rsc\n" : "=r" (rsc.value));
rsc.loadrs = 0;
rsc.be = false;
rsc.pl = PL_USER;
rsc.mode = 3; /* eager mode */
rsc.mode = 3; /* eager mode */
 
switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry,
((uintptr_t) kernel_uarg->uspace_stack) + PAGE_SIZE -
ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT),
((uintptr_t) kernel_uarg->uspace_stack) + PAGE_SIZE,
(uintptr_t) kernel_uarg->uspace_uarg, psr.value, rsc.value);
((uintptr_t) kernel_uarg->uspace_stack)+PAGE_SIZE-ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT),
((uintptr_t) kernel_uarg->uspace_stack)+PAGE_SIZE,
(uintptr_t) kernel_uarg->uspace_uarg,
psr.value, rsc.value);
 
while (1)
while (1) {
;
}
}
 
/** Set thread-local-storage pointer.
256,17 → 208,16
*/
void arch_grab_console(void)
{
#ifdef MACHINE_ski
#ifdef SKI
ski_kbd_grab();
#endif
#endif
}
 
/** Return console to userspace
*
*/
void arch_release_console(void)
{
#ifdef MACHINE_ski
#ifdef SKI
ski_kbd_release();
#endif
}
273,27 → 224,9
 
void arch_reboot(void)
{
pio_write_8((ioport8_t *)0x64, 0xfe);
while (1)
;
// TODO
while (1);
}
 
/** Construct function pointer
*
* @param fptr function pointer structure
* @param addr function address
* @param caller calling function address
*
* @return address of the function pointer
*
*/
void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller)
{
fptr->fnc = (unative_t) addr;
fptr->gp = ((unative_t *) caller)[1];
return (void *) fptr;
}
 
/** @}
*/
/branches/arm/kernel/arch/ia64/src/start.S
32,15 → 32,19
#include <mm/asid.h>
 
#define RR_MASK (0xFFFFFFFF00000002)
#define RID_SHIFT 8
#define PS_SHIFT 2
#define RID_SHIFT 8
#define PS_SHIFT 2
 
#define KERNEL_TRANSLATION_I 0x0010000000000661
#define KERNEL_TRANSLATION_D 0x0010000000000661
#define KERNEL_TRANSLATION_VIO 0x0010000000000671
#define KERNEL_TRANSLATION_IO 0x00100FFFFC000671
#define KERNEL_TRANSLATION_FW 0x00100000F0000671
#define KERNEL_TRANSLATION_I 0x0010000000000661
#define KERNEL_TRANSLATION_D 0x0010000000000661
#define KERNEL_TRANSLATION_VIO 0x0010000000000671
#define KERNEL_TRANSLATION_IO 0x00100FFFFC000671
#define VIO_OFFSET 0x0002000000000000
 
#define IO_OFFSET 0x0001000000000000
 
 
 
.section K_TEXT_START, "ax"
 
.global kernel_image_start
49,19 → 53,6
kernel_image_start:
.auto
 
#ifdef CONFIG_SMP
# Identify self(CPU) in OS structures by ID / EID
 
mov r9 = cr64
mov r10 = 1
movl r12 = 0xffffffff
movl r8 = cpu_by_id_eid_list
and r8 = r8, r12
shr r9 = r9, 16
add r8 = r8, r9
st1 [r8] = r10
#endif
 
mov psr.l = r0
srlz.i
srlz.d
68,29 → 59,39
 
# Fill TR.i and TR.d using Region Register #VRN_KERNEL
 
 
movl r8 = (VRN_KERNEL << VRN_SHIFT)
mov r9 = rr[r8]
 
 
movl r10 = (RR_MASK)
and r9 = r10, r9
movl r10 = ((RID_KERNEL << RID_SHIFT) | (KERNEL_PAGE_WIDTH << PS_SHIFT))
or r9 = r10, r9
 
 
mov rr[r8] = r9
 
 
 
movl r8 = (VRN_KERNEL << VRN_SHIFT)
mov cr.ifa = r8
 
mov r11 = cr.itir
movl r10 = (KERNEL_PAGE_WIDTH << PS_SHIFT)
or r10 = r10, r11
mov cr.itir = r10
mov r11 = cr.itir ;;
movl r10 = (KERNEL_PAGE_WIDTH << PS_SHIFT);;
or r10 =r10 , r11 ;;
mov cr.itir = r10;;
 
movl r10 = (KERNEL_TRANSLATION_I)
itr.i itr[r0] = r10
 
movl r10 = (KERNEL_TRANSLATION_D)
itr.d dtr[r0] = r10
 
 
movl r7 = 1
movl r8 = (VRN_KERNEL << VRN_SHIFT) | VIO_OFFSET
mov cr.ifa = r8
97,13 → 98,15
movl r10 = (KERNEL_TRANSLATION_VIO)
itr.d dtr[r7] = r10
 
mov r11 = cr.itir
movl r10 = ~0xfc
and r10 = r10, r11
movl r11 = (IO_PAGE_WIDTH << PS_SHIFT)
or r10 = r10, r11
mov cr.itir = r10
 
mov r11 = cr.itir ;;
movl r10 = ~0xfc;;
and r10 =r10 , r11 ;;
movl r11 = (IO_PAGE_WIDTH << PS_SHIFT);;
or r10 =r10 , r11 ;;
mov cr.itir = r10;;
 
 
movl r7 = 2
movl r8 = (VRN_KERNEL << VRN_SHIFT) | IO_OFFSET
mov cr.ifa = r8
110,26 → 113,12
movl r10 = (KERNEL_TRANSLATION_IO)
itr.d dtr[r7] = r10
 
# Setup mapping for fimware arrea (also SAPIC)
 
mov r11 = cr.itir
movl r10 = ~0xfc
and r10 = r10, r11
movl r11 = (FW_PAGE_WIDTH << PS_SHIFT)
or r10 = r10, r11
mov cr.itir = r10
 
movl r7 = 3
movl r8 = (VRN_KERNEL << VRN_SHIFT) | FW_OFFSET
mov cr.ifa = r8
movl r10 = (KERNEL_TRANSLATION_FW)
itr.d dtr[r7] = r10
 
# Initialize PSR
 
# initialize PSR
movl r10 = (PSR_DT_MASK | PSR_RT_MASK | PSR_IT_MASK | PSR_IC_MASK) /* Enable paging */
mov r9 = psr
 
or r10 = r10, r9
mov cr.ipsr = r10
mov cr.ifs = r0
139,14 → 128,11
srlz.i
 
.explicit
 
/*
* Return From Interrupt is the only way to
* fill the upper half word of PSR.
* Return From Interupt is the only the way to fill upper half word of PSR.
*/
rfi ;;
rfi;;
 
 
.global paging_start
paging_start:
 
154,64 → 140,45
* Now we are paging.
*/
 
# Switch to register bank 1
# switch to register bank 1
bsw.1
 
#ifdef CONFIG_SMP
# Am I BSP or AP?
movl r20 = bsp_started ;;
ld8 r20 = [r20] ;;
cmp.eq p3, p2 = r20, r0 ;;
#else
cmp.eq p3, p2 = r0, r0 ;; /* you are BSP */
#endif /* CONFIG_SMP */
# Initialize register stack
# initialize register stack
mov ar.rsc = r0
movl r8 = (VRN_KERNEL << VRN_SHIFT) ;;
mov ar.bspstore = r8
loadrs
 
# Initialize memory stack to some sane value
# initialize memory stack to some sane value
movl r12 = stack0 ;;
add r12 = -16, r12 /* allocate a scratch area on the stack */
 
# Initialize gp (Global Pointer) register
# initialize gp (Global Pointer) register
movl r20 = (VRN_KERNEL << VRN_SHIFT);;
or r20 = r20,r1;;
movl r1 = _hardcoded_load_address
/*
* Initialize hardcoded_* variables. Do only BSP
* Initialize hardcoded_* variables.
*/
(p3) movl r14 = _hardcoded_ktext_size
(p3) movl r15 = _hardcoded_kdata_size
(p3) movl r16 = _hardcoded_load_address ;;
(p3) addl r17 = @gprel(hardcoded_ktext_size), gp
(p3) addl r18 = @gprel(hardcoded_kdata_size), gp
(p3) addl r19 = @gprel(hardcoded_load_address), gp
(p3) addl r21 = @gprel(bootinfo), gp
movl r14 = _hardcoded_ktext_size
movl r15 = _hardcoded_kdata_size
movl r16 = _hardcoded_load_address ;;
addl r17 = @gprel(hardcoded_ktext_size), gp
addl r18 = @gprel(hardcoded_kdata_size), gp
addl r19 = @gprel(hardcoded_load_address), gp
addl r21 = @gprel(bootinfo), gp
;;
(p3) st8 [r17] = r14
(p3) st8 [r18] = r15
(p3) st8 [r19] = r16
(p3) st8 [r21] = r20
st8 [r17] = r14
st8 [r18] = r15
st8 [r19] = r16
st8 [r21] = r20
 
ssm (1 << 19) ;; /* Disable f32 - f127 */
srlz.i
srlz.d ;;
 
#ifdef CONFIG_SMP
(p2) movl r18 = main_ap ;;
(p2) mov b1 = r18 ;;
(p2) br.call.sptk.many b0 = b1
 
# Mark that BSP is on
mov r20 = 1 ;;
movl r21 = bsp_started ;;
st8 [r21] = r20 ;;
#endif
 
br.call.sptk.many b0 = arch_pre_main
 
movl r18 = main_bsp ;;
218,51 → 185,6
mov b1 = r18 ;;
br.call.sptk.many b0 = b1
 
 
0:
br 0b
 
#ifdef CONFIG_SMP
 
.align 4096
kernel_image_ap_start:
.auto
 
# Identify self(CPU) in OS structures by ID / EID
 
mov r9 = cr64
mov r10 = 1
movl r12 = 0xffffffff
movl r8 = cpu_by_id_eid_list
and r8 = r8, r12
shr r9 = r9, 16
add r8 = r8, r9
st1 [r8] = r10
# Wait for wakeup synchro signal (#3 in cpu_by_id_eid_list)
kernel_image_ap_start_loop:
movl r11 = kernel_image_ap_start_loop
and r11 = r11, r12
mov b1 = r11
 
ld1 r20 = [r8] ;;
movl r21 = 3 ;;
cmp.eq p2, p3 = r20, r21 ;;
(p3) br.call.sptk.many b0 = b1
 
movl r11 = kernel_image_start
and r11 = r11, r12
mov b1 = r11
br.call.sptk.many b0 = b1
 
.align 16
.global bsp_started
bsp_started:
.space 8
 
.align 4096
.global cpu_by_id_eid_list
cpu_by_id_eid_list:
.space 65536
 
#endif /* CONFIG_SMP */
/branches/arm/kernel/arch/ia64/src/ivt.S
536,7 → 536,7
HEAVYWEIGHT_HANDLER 0x5000 page_not_present
HEAVYWEIGHT_HANDLER 0x5100
HEAVYWEIGHT_HANDLER 0x5200
HEAVYWEIGHT_HANDLER 0x5300 data_access_rights_fault
HEAVYWEIGHT_HANDLER 0x5300
HEAVYWEIGHT_HANDLER 0x5400 general_exception
HEAVYWEIGHT_HANDLER 0x5500 disabled_fp_register
HEAVYWEIGHT_HANDLER 0x5600
/branches/arm/kernel/arch/ia64/src/interrupt.c
38,6 → 38,7
#include <ddi/irq.h>
#include <panic.h>
#include <print.h>
#include <symtab.h>
#include <debug.h>
#include <console/console.h>
#include <arch/types.h>
52,9 → 53,6
#include <ipc/irq.h>
#include <ipc/ipc.h>
#include <synch/spinlock.h>
#include <mm/tlb.h>
#include <symtab.h>
#include <putchar.h>
 
#define VECTORS_64_BUNDLE 20
#define VECTORS_16_BUNDLE 48
138,9 → 136,9
{
char *ifa, *iipa, *iip;
 
ifa = symtab_fmt_name_lookup(istate->cr_ifa);
iipa = symtab_fmt_name_lookup(istate->cr_iipa);
iip = symtab_fmt_name_lookup(istate->cr_iip);
ifa = get_symtab_entry(istate->cr_ifa);
iipa = get_symtab_entry(istate->cr_iipa);
iip = get_symtab_entry(istate->cr_iip);
 
putchar('\n');
printf("Interrupted context dump:\n");
187,21 → 185,21
break;
}
 
fault_if_from_uspace(istate, "General Exception (%s).", desc);
fault_if_from_uspace(istate, "General Exception (%s)", desc);
 
dump_interrupted_context(istate);
panic("General Exception (%s).", desc);
panic("General Exception (%s)\n", desc);
}
 
void disabled_fp_register(uint64_t vector, istate_t *istate)
{
#ifdef CONFIG_FPU_LAZY
scheduler_fpu_lazy_request();
#ifdef CONFIG_FPU_LAZY
scheduler_fpu_lazy_request();
#else
fault_if_from_uspace(istate, "Interruption: %#hx (%s).",
fault_if_from_uspace(istate, "Interruption: %#hx (%s)",
(uint16_t) vector, vector_to_string(vector));
dump_interrupted_context(istate);
panic("Interruption: %#hx (%s).", (uint16_t) vector,
panic("Interruption: %#hx (%s)\n", (uint16_t) vector,
vector_to_string(vector));
#endif
}
229,82 → 227,40
 
void universal_handler(uint64_t vector, istate_t *istate)
{
fault_if_from_uspace(istate, "Interruption: %#hx (%s).",
fault_if_from_uspace(istate, "Interruption: %#hx (%s)\n",
(uint16_t) vector, vector_to_string(vector));
dump_interrupted_context(istate);
panic("Interruption: %#hx (%s).", (uint16_t) vector,
panic("Interruption: %#hx (%s)\n", (uint16_t) vector,
vector_to_string(vector));
}
 
static void end_of_local_irq(void)
{
asm volatile ("mov cr.eoi=r0;;");
}
 
 
void external_interrupt(uint64_t vector, istate_t *istate)
{
irq_t *irq;
cr_ivr_t ivr;
irq_t *irq;
ivr.value = ivr_read();
srlz_d();
 
switch (ivr.vector) {
case INTERRUPT_SPURIOUS:
irq = irq_dispatch_and_lock(ivr.vector);
if (irq) {
irq->handler(irq, irq->arg);
spinlock_unlock(&irq->lock);
} else {
switch (ivr.vector) {
case INTERRUPT_SPURIOUS:
#ifdef CONFIG_DEBUG
printf("cpu%d: spurious interrupt\n", CPU->id);
printf("cpu%d: spurious interrupt\n", CPU->id);
#endif
break;
break;
 
#ifdef CONFIG_SMP
case VECTOR_TLB_SHOOTDOWN_IPI:
tlb_shootdown_ipi_recv();
end_of_local_irq();
break;
#endif
 
case INTERRUPT_TIMER:
irq = irq_dispatch_and_lock(ivr.vector);
if (irq) {
irq->handler(irq);
spinlock_unlock(&irq->lock);
} else {
panic("Unhandled Internal Timer Interrupt (%d).",
default:
panic("\nUnhandled External Interrupt Vector %d\n",
ivr.vector);
break;
}
break;
default:
irq = irq_dispatch_and_lock(ivr.vector);
if (irq) {
/*
* The IRQ handler was found.
*/
if (irq->preack) {
/* Send EOI before processing the interrupt */
end_of_local_irq();
}
irq->handler(irq);
if (!irq->preack)
end_of_local_irq();
spinlock_unlock(&irq->lock);
} else {
/*
* Unhandled interrupt.
*/
end_of_local_irq();
#ifdef CONFIG_DEBUG
printf("\nUnhandled External Interrupt Vector %d\n",
ivr.vector);
#endif
}
break;
}
}
 
void trap_virtual_enable_irqs(uint16_t irqmask)
{
}
 
/** @}
*/
/branches/arm/kernel/arch/ia64/src/cpu/cpu.c
55,7 → 55,7
*((uint64_t *) &vendor[0 * sizeof(uint64_t)]) = CPU->arch.cpuid0;
*((uint64_t *) &vendor[1 * sizeof(uint64_t)]) = CPU->arch.cpuid1;
vendor[sizeof(vendor) - 1] = 0;
vendor[sizeof(vendor) - 1] = '\0';
switch(m->arch.cpuid3.family) {
case FAMILY_ITANIUM:
70,8 → 70,8
}
printf("cpu%d: %s (%s), archrev=%d, model=%d, revision=%d\n", CPU->id,
family_str, vendor, CPU->arch.cpuid3.archrev,
CPU->arch.cpuid3.model, CPU->arch.cpuid3.revision);
family_str, vendor, CPU->arch.cpuid3.archrev, CPU->arch.cpuid3.model,
CPU->arch.cpuid3.revision);
}
 
/** @}
/branches/arm/kernel/arch/ia64/src/ski/ski.c
0,0 → 1,264
/*
* Copyright (c) 2005 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia64
* @{
*/
/** @file
*/
 
#include <arch/ski/ski.h>
#include <console/console.h>
#include <console/chardev.h>
#include <arch/interrupt.h>
#include <sysinfo/sysinfo.h>
#include <arch/types.h>
#include <ddi/device.h>
#include <ddi/irq.h>
#include <ipc/irq.h>
#include <proc/thread.h>
#include <synch/spinlock.h>
#include <arch/asm.h>
 
#define SKI_KBD_INR 0
 
static irq_t ski_kbd_irq;
static devno_t ski_kbd_devno;
 
chardev_t ski_console;
chardev_t ski_uconsole;
 
static bool kbd_disabled;
 
static void ski_putchar(chardev_t *d, const char ch);
static int32_t ski_getchar(void);
 
/** Display character on debug console
*
* Use SSC (Simulator System Call) to
* display character on debug console.
*
* @param d Character device.
* @param ch Character to be printed.
*/
void ski_putchar(chardev_t *d, const char ch)
{
asm volatile (
"mov r15 = %0\n"
"mov r32 = %1\n" /* r32 is in0 */
"break 0x80000\n" /* modifies r8 */
:
: "i" (SKI_PUTCHAR), "r" (ch)
: "r15", "in0", "r8"
);
if (ch == '\n')
ski_putchar(d, '\r');
}
 
/** Ask debug console if a key was pressed.
*
* Use SSC (Simulator System Call) to
* get character from debug console.
*
* This call is non-blocking.
*
* @return ASCII code of pressed key or 0 if no key pressed.
*/
int32_t ski_getchar(void)
{
uint64_t ch;
asm volatile (
"mov r15 = %1\n"
"break 0x80000;;\n" /* modifies r8 */
"mov %0 = r8;;\n"
 
: "=r" (ch)
: "i" (SKI_GETCHAR)
: "r15", "r8"
);
 
return (int32_t) ch;
}
 
/**
* This is a blocking wrapper for ski_getchar().
* To be used when the kernel crashes.
*/
static char ski_getchar_blocking(chardev_t *d)
{
int ch;
 
while(!(ch = ski_getchar()))
;
if(ch == '\r')
ch = '\n';
return (char) ch;
}
 
/** Ask keyboard if a key was pressed. */
static void poll_keyboard(void)
{
char ch;
static char last;
ipl_t ipl;
 
ipl = interrupts_disable();
 
if (kbd_disabled) {
interrupts_restore(ipl);
return;
}
spinlock_lock(&ski_kbd_irq.lock);
 
ch = ski_getchar();
if(ch == '\r')
ch = '\n';
if (ch) {
if (ski_kbd_irq.notif_cfg.notify && ski_kbd_irq.notif_cfg.answerbox) {
chardev_push_character(&ski_uconsole, ch);
ipc_irq_send_notif(&ski_kbd_irq);
} else {
chardev_push_character(&ski_console, ch);
}
last = ch;
spinlock_unlock(&ski_kbd_irq.lock);
interrupts_restore(ipl);
return;
}
 
if (last) {
if (ski_kbd_irq.notif_cfg.notify && ski_kbd_irq.notif_cfg.answerbox) {
chardev_push_character(&ski_uconsole, 0);
ipc_irq_send_notif(&ski_kbd_irq);
}
last = 0;
}
 
spinlock_unlock(&ski_kbd_irq.lock);
interrupts_restore(ipl);
}
 
/* Called from getc(). */
static void ski_kbd_enable(chardev_t *d)
{
kbd_disabled = false;
}
 
/* Called from getc(). */
static void ski_kbd_disable(chardev_t *d)
{
kbd_disabled = true;
}
 
/** Decline to service hardware IRQ.
*
* This is only a virtual IRQ, so always decline.
*
* @return Always IRQ_DECLINE.
*/
static irq_ownership_t ski_kbd_claim(void)
{
return IRQ_DECLINE;
}
 
static chardev_operations_t ski_ops = {
.resume = ski_kbd_enable,
.suspend = ski_kbd_disable,
.write = ski_putchar,
.read = ski_getchar_blocking
};
 
/** Initialize debug console
*
* Issue SSC (Simulator System Call) to
* to open debug console.
*/
void ski_init_console(void)
{
asm volatile (
"mov r15 = %0\n"
"break 0x80000\n"
:
: "i" (SKI_INIT_CONSOLE)
: "r15", "r8"
);
 
chardev_initialize("ski_console", &ski_console, &ski_ops);
chardev_initialize("ski_uconsole", &ski_uconsole, &ski_ops);
stdin = &ski_console;
stdout = &ski_console;
 
ski_kbd_devno = device_assign_devno();
irq_initialize(&ski_kbd_irq);
ski_kbd_irq.inr = SKI_KBD_INR;
ski_kbd_irq.devno = ski_kbd_devno;
ski_kbd_irq.claim = ski_kbd_claim;
irq_register(&ski_kbd_irq);
 
sysinfo_set_item_val("kbd", NULL, true);
sysinfo_set_item_val("kbd.inr", NULL, SKI_KBD_INR);
sysinfo_set_item_val("kbd.devno", NULL, ski_kbd_devno);
}
 
void ski_kbd_grab(void)
{
ipl_t ipl = interrupts_disable();
spinlock_lock(&ski_kbd_irq.lock);
ski_kbd_irq.notif_cfg.notify = false;
spinlock_unlock(&ski_kbd_irq.lock);
interrupts_restore(ipl);
}
 
void ski_kbd_release(void)
{
ipl_t ipl = interrupts_disable();
spinlock_lock(&ski_kbd_irq.lock);
if (ski_kbd_irq.notif_cfg.answerbox)
ski_kbd_irq.notif_cfg.notify = true;
spinlock_unlock(&ski_kbd_irq.lock);
interrupts_restore(ipl);
}
 
 
#define POLL_INTERVAL 50000 /* 50 ms */
 
/** Kernel thread for polling keyboard. */
void kkbdpoll(void *arg)
{
while (1) {
poll_keyboard();
thread_usleep(POLL_INTERVAL);
}
}
 
/** @}
*/
/branches/arm/kernel/arch/ia64/src/ddi/ddi.c
1,6 → 1,5
/*
* Copyright (c) 2006 Jakub Jermar
* Copyright (c) 2008 Jakub vana
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
36,39 → 35,19
#include <ddi/ddi.h>
#include <proc/task.h>
#include <arch/types.h>
#include <mm/slab.h>
#include <errno.h>
 
#define IO_MEMMAP_PAGES 16384
#define PORTS_PER_PAGE 4
 
/** Enable I/O space range for task.
*
* Interrupts are disabled and task is locked.
*
* @param task Task.
* @param ioaddr Starting I/O space address.
* @param size Size of the enabled I/O range.
* @param task Task.
* @param ioaddr Startign I/O space address.
* @param size Size of the enabled I/O range.
*
* @return 0 on success or an error code from errno.h.
*/
int ddi_iospace_enable_arch(task_t *task, uintptr_t ioaddr, size_t size)
{
if (!task->arch.iomap) {
uint8_t *map;
 
task->arch.iomap = malloc(sizeof(bitmap_t), 0);
map = malloc(BITS2BYTES(IO_MEMMAP_PAGES), 0);
if(!map)
return ENOMEM;
bitmap_initialize(task->arch.iomap, map, IO_MEMMAP_PAGES);
bitmap_clear_range(task->arch.iomap, 0, IO_MEMMAP_PAGES);
}
uintptr_t iopage = ioaddr / PORTS_PER_PAGE;
size = ALIGN_UP(size + ioaddr - 4 * iopage, PORTS_PER_PAGE);
bitmap_set_range(task->arch.iomap, iopage, size / 4);
 
return 0;
}
 
/branches/arm/kernel/arch/ia64/src/proc/scheduler.c
47,17 → 47,14
{
}
 
/** Prepare kernel stack pointers in bank 0 r22 and r23 and make sure the stack
* is mapped in DTR.
*/
/** Prepare kernel stack pointers in bank 0 r22 and r23 and make sure the stack is mapped in DTR. */
void before_thread_runs_arch(void)
{
uintptr_t base;
base = ALIGN_DOWN(config.base, 1 << KERNEL_PAGE_WIDTH);
base = ALIGN_DOWN(config.base, 1<<KERNEL_PAGE_WIDTH);
 
if ((uintptr_t) THREAD->kstack < base ||
(uintptr_t) THREAD->kstack > base + (1 << (KERNEL_PAGE_WIDTH))) {
if ((uintptr_t) THREAD->kstack < base || (uintptr_t) THREAD->kstack > base + (1<<(KERNEL_PAGE_WIDTH))) {
/*
* Kernel stack of this thread is not mapped by DTR[TR_KERNEL].
* Use DTR[TR_KSTACK1] and DTR[TR_KSTACK2] to map it.
67,11 → 64,8
dtr_purge((uintptr_t) THREAD->kstack, PAGE_WIDTH+1);
/* insert DTR[TR_STACK1] and DTR[TR_STACK2] */
dtlb_kernel_mapping_insert((uintptr_t) THREAD->kstack,
KA2PA(THREAD->kstack), true, DTR_KSTACK1);
dtlb_kernel_mapping_insert((uintptr_t) THREAD->kstack +
PAGE_SIZE, KA2PA(THREAD->kstack) + FRAME_SIZE, true,
DTR_KSTACK2);
dtlb_kernel_mapping_insert((uintptr_t) THREAD->kstack, KA2PA(THREAD->kstack), true, DTR_KSTACK1);
dtlb_kernel_mapping_insert((uintptr_t) THREAD->kstack + PAGE_SIZE, KA2PA(THREAD->kstack) + FRAME_SIZE, true, DTR_KSTACK2);
}
/*
/branches/arm/kernel/arch/ia64/src/fpu_context.c
149,10 → 149,8
"stf.spill [%7] = f127, 0x80\n;;"
 
:
: "r" (&((fctx->fr)[0])), "r" (&((fctx->fr)[1])),
"r" (&((fctx->fr)[2])), "r" (&((fctx->fr)[3])),
"r" (&((fctx->fr)[4])), "r" (&((fctx->fr)[5])),
"r" (&((fctx->fr)[6])), "r" (&((fctx->fr)[7]))
: "r" (&((fctx->fr)[0])), "r" (&((fctx->fr)[1])), "r" (&((fctx->fr)[2])), "r" (&((fctx->fr)[3])),
"r" (&((fctx->fr)[4])), "r" (&((fctx->fr)[5])), "r" (&((fctx->fr)[6])), "r" (&((fctx->fr)[7]))
);
}
269,16 → 267,14
"ldf.fill f127 = [%7], 0x80\n;;"
 
:
: "r" (&((fctx->fr)[0])), "r" (&((fctx->fr)[1])),
"r" (&((fctx->fr)[2])), "r" (&((fctx->fr)[3])),
"r" (&((fctx->fr)[4])), "r" (&((fctx->fr)[5])),
"r" (&((fctx->fr)[6])), "r" (&((fctx->fr)[7]))
: "r" (&((fctx->fr)[0])), "r" (&((fctx->fr)[1])), "r" (&((fctx->fr)[2])), "r" (&((fctx->fr)[3])),
"r" (&((fctx->fr)[4])), "r" (&((fctx->fr)[5])), "r" (&((fctx->fr)[6])), "r" (&((fctx->fr)[7]))
);
}
 
void fpu_enable(void)
{
uint64_t a = 0;
uint64_t a = 0 ;
 
asm volatile (
"rsm %0 ;;"
/branches/arm/kernel/arch/ia64/src/putchar.c
0,0 → 1,44
/*
* Copyright (c) 2005 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia64
* @{
*/
/** @file
*/
 
#include <putchar.h>
#include <arch/ski/ski.h>
 
void putchar(const char ch)
{
ski_write(ch);
}
 
/** @}
*/
/branches/arm/kernel/arch/ia64/include/mm/page.h
46,25 → 46,8
/** Bit width of the TLB-locked portion of kernel address space. */
#define KERNEL_PAGE_WIDTH 28 /* 256M */
#define IO_PAGE_WIDTH 26 /* 64M */
#define FW_PAGE_WIDTH 28 /* 256M */
 
#define USPACE_IO_PAGE_WIDTH 12 /* 4K */
 
 
/*
* Statically mapped IO spaces - offsets to 0xe...00 of virtual addresses
* because of "minimal virtual bits implemented is 51" it is possible to
* have values up to 0x0007000000000000
*/
 
/* Firmware area (bellow 4GB in phys mem) */
#define FW_OFFSET 0x00000000F0000000
/* Legacy IO space */
#define IO_OFFSET 0x0001000000000000
/* Videoram - now mapped to 0 as VGA text mode vram on 0xb8000 */
#define VIO_OFFSET 0x0002000000000000
 
 
#define PPN_SHIFT 12
 
#define VRN_SHIFT 61
79,8 → 62,8
 
#define REGION_REGISTERS 8
 
#define KA2PA(x) ((uintptr_t) (x - (VRN_KERNEL << VRN_SHIFT)))
#define PA2KA(x) ((uintptr_t) (x + (VRN_KERNEL << VRN_SHIFT)))
#define KA2PA(x) ((uintptr_t) (x-(VRN_KERNEL<<VRN_SHIFT)))
#define PA2KA(x) ((uintptr_t) (x+(VRN_KERNEL<<VRN_SHIFT)))
 
#define VHPT_WIDTH 20 /* 1M */
#define VHPT_SIZE (1 << VHPT_WIDTH)
240,7 → 223,7
*
* @return Current contents of rr[i].
*/
static inline uint64_t rr_read(size_t i)
static inline uint64_t rr_read(index_t i)
{
uint64_t ret;
ASSERT(i < REGION_REGISTERS);
253,7 → 236,7
* @param i Region register index.
* @param v Value to be written to rr[i].
*/
static inline void rr_write(size_t i, uint64_t v)
static inline void rr_write(index_t i, uint64_t v)
{
ASSERT(i < REGION_REGISTERS);
asm volatile (
/branches/arm/kernel/arch/ia64/include/mm/frame.h
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia64mm
/** @addtogroup ia64mm
* @{
*/
/** @file
35,16 → 35,12
#ifndef KERN_ia64_FRAME_H_
#define KERN_ia64_FRAME_H_
 
#define FRAME_WIDTH 14 /* 16K */
#define FRAME_SIZE (1 << FRAME_WIDTH)
#define FRAME_WIDTH 14 /* 16K */
#define FRAME_SIZE (1 << FRAME_WIDTH)
 
#ifdef KERNEL
#ifndef __ASM__
 
#include <arch/types.h>
 
extern uintptr_t last_frame;
 
extern void frame_arch_init(void);
#define physmem_print()
 
/branches/arm/kernel/arch/ia64/include/mm/tlb.h
35,6 → 35,9
#ifndef KERN_ia64_TLB_H_
#define KERN_ia64_TLB_H_
 
#define tlb_arch_init()
#define tlb_print()
 
#include <arch/mm/page.h>
#include <arch/mm/asid.h>
#include <arch/interrupt.h>
43,8 → 46,8
/** Data and instruction Translation Register indices. */
#define DTR_KERNEL 0
#define ITR_KERNEL 0
#define DTR_KSTACK1 4
#define DTR_KSTACK2 5
#define DTR_KSTACK1 1
#define DTR_KSTACK2 2
 
/** Portion of TLB insertion format data structure. */
union tlb_entry {
76,12 → 79,12
extern void dtc_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry);
extern void itc_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry);
 
extern void tr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, bool dtr, size_t tr);
extern void dtr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, size_t tr);
extern void itr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, size_t tr);
extern void tr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, bool dtr, index_t tr);
extern void dtr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, index_t tr);
extern void itr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, index_t tr);
 
extern void dtlb_kernel_mapping_insert(uintptr_t page, uintptr_t frame, bool dtr, size_t tr);
extern void dtr_purge(uintptr_t page, size_t width);
extern void dtlb_kernel_mapping_insert(uintptr_t page, uintptr_t frame, bool dtr, index_t tr);
extern void dtr_purge(uintptr_t page, count_t width);
 
extern void dtc_pte_copy(pte_t *t);
extern void itc_pte_copy(pte_t *t);
92,7 → 95,6
extern void data_dirty_bit_fault(uint64_t vector, istate_t *istate);
extern void instruction_access_bit_fault(uint64_t vector, istate_t *istate);
extern void data_access_bit_fault(uint64_t vector, istate_t *istate);
extern void data_access_rights_fault(uint64_t vector, istate_t *istate);
extern void page_not_present(uint64_t vector, istate_t *istate);
 
#endif
/branches/arm/kernel/arch/ia64/include/mm/vhpt.h
44,8 → 44,8
{
vhpt_entry_t ventry;
ventry.word[0] = tentry.word[0];
ventry.word[1] = tentry.word[1];
ventry.word[0]=tentry.word[0];
ventry.word[1]=tentry.word[1];
return ventry;
}
/branches/arm/kernel/arch/ia64/include/types.h
54,6 → 54,8
} uint128_t;
 
typedef uint64_t size_t;
typedef uint64_t count_t;
typedef uint64_t index_t;
 
typedef uint64_t uintptr_t;
typedef uint64_t pfn_t;
63,13 → 65,10
typedef uint64_t unative_t;
typedef int64_t native_t;
 
typedef struct {
unative_t fnc;
unative_t gp;
} fncptr_t;
 
#define PRIp "lx" /**< Format for uintptr_t. */
#define PRIs "lu" /**< Format for size_t. */
#define PRIc "lu" /**< Format for count_t. */
#define PRIi "lu" /**< Format for index_t. */
 
#define PRId8 "d" /**< Format for int8_t. */
#define PRId16 "d" /**< Format for int16_t. */
/branches/arm/kernel/arch/ia64/include/byteorder.h
0,0 → 1,44
/*
* Copyright (c) 2005 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia64
* @{
*/
/** @file
*/
 
#ifndef KERN_ia64_BYTEORDER_H_
#define KERN_ia64_BYTEORDER_H_
 
/* IA-64 is little-endian */
#define ARCH_IS_LITTLE_ENDIAN
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ia64/include/asm.h
36,72 → 36,29
#define KERN_ia64_ASM_H_
 
#include <config.h>
#include <typedefs.h>
#include <arch/types.h>
#include <arch/register.h>
 
 
#define IA64_IOSPACE_ADDRESS 0xE001000000000000ULL
 
static inline void pio_write_8(ioport8_t *port, uint8_t v)
static inline void outb(uint64_t port,uint8_t v)
{
uintptr_t prt = (uintptr_t) port;
*((char *)(IA64_IOSPACE_ADDRESS + ( (port & 0xfff) | ( (port >> 2) << 12 )))) = v;
 
*((ioport8_t *)(IA64_IOSPACE_ADDRESS +
((prt & 0xfff) | ((prt >> 2) << 12)))) = v;
 
asm volatile ("mf\n" ::: "memory");
}
 
static inline void pio_write_16(ioport16_t *port, uint16_t v)
{
uintptr_t prt = (uintptr_t) port;
 
*((ioport16_t *)(IA64_IOSPACE_ADDRESS +
((prt & 0xfff) | ((prt >> 2) << 12)))) = v;
 
asm volatile ("mf\n" ::: "memory");
}
 
static inline void pio_write_32(ioport32_t *port, uint32_t v)
static inline uint8_t inb(uint64_t port)
{
uintptr_t prt = (uintptr_t) port;
 
*((ioport32_t *)(IA64_IOSPACE_ADDRESS +
((prt & 0xfff) | ((prt >> 2) << 12)))) = v;
 
asm volatile ("mf\n" ::: "memory");
}
 
static inline uint8_t pio_read_8(ioport8_t *port)
{
uintptr_t prt = (uintptr_t) port;
 
asm volatile ("mf\n" ::: "memory");
 
return *((ioport8_t *)(IA64_IOSPACE_ADDRESS +
((prt & 0xfff) | ((prt >> 2) << 12))));
return *((char *)(IA64_IOSPACE_ADDRESS + ( (port & 0xfff) | ( (port >> 2) << 12 ))));
}
 
static inline uint16_t pio_read_16(ioport16_t *port)
{
uintptr_t prt = (uintptr_t) port;
 
asm volatile ("mf\n" ::: "memory");
 
return *((ioport16_t *)(IA64_IOSPACE_ADDRESS +
((prt & 0xfff) | ((prt >> 2) << 12))));
}
 
static inline uint32_t pio_read_32(ioport32_t *port)
{
uintptr_t prt = (uintptr_t) port;
 
asm volatile ("mf\n" ::: "memory");
 
return *((ioport32_t *)(IA64_IOSPACE_ADDRESS +
((prt & 0xfff) | ((prt >> 2) << 12))));
}
 
/** Return base address of current stack
*
* Return the base address of the current stack.
112,14 → 69,9
{
uint64_t v;
 
//I'm not sure why but this code bad inlines in scheduler,
//so THE shifts about 16B and causes kernel panic
//asm volatile ("and %0 = %1, r12" : "=r" (v) : "r" (~(STACK_SIZE-1)));
//return v;
asm volatile ("and %0 = %1, r12" : "=r" (v) : "r" (~(STACK_SIZE-1)));
//this code have the same meaning but inlines well
asm volatile ("mov %0 = r12" : "=r" (v) );
return v & (~(STACK_SIZE-1));
return v;
}
 
/** Return Processor State Register.
171,16 → 123,6
return v;
}
 
static inline uint64_t cr64_read(void)
{
uint64_t v;
asm volatile ("mov %0 = cr64\n" : "=r" (v));
return v;
}
 
 
/** Write ITC (Interval Timer Counter) register.
*
* @param v New counter value.
355,8 → 297,7
extern void cpu_sleep(void);
extern void asm_delay_loop(uint32_t t);
 
extern void switch_to_userspace(uintptr_t, uintptr_t, uintptr_t, uintptr_t,
uint64_t, uint64_t);
extern void switch_to_userspace(uintptr_t entry, uintptr_t sp, uintptr_t bsp, uintptr_t uspace_uarg, uint64_t ipsr, uint64_t rsc);
 
#endif
 
/branches/arm/kernel/arch/ia64/include/drivers/kbd.h
File deleted
/branches/arm/kernel/arch/ia64/include/drivers/ski.h
File deleted
Property changes:
Deleted: svn:mergeinfo
/branches/arm/kernel/arch/ia64/include/drivers/ega.h
0,0 → 1,50
/*
* Copyright (c) 2001-2004 Jakub Jermar
* 2007 Jakub Vana
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32
* @{
*/
/** @file
*/
 
#ifndef KERN_ia64_EGA_H
#define KERN_ia64_EGA_H
 
#define VIDEORAM (0xe0020000000B8000LL)
 
#define ROW 80
#define ROWS 25
#define SCREEN (ROW * ROWS)
 
extern void ega_init(void);
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ia64/include/drivers/i8042.h
0,0 → 1,71
/*
* Copyright (c) 2006 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32
* @{
*/
/** @file
*/
 
/**
* This file implements ia32 specific access to i8042 registers.
*/
 
#ifndef KERN_ia64_I8042_H_
#define KERN_ia64_I8042_H_
 
#include <arch/asm.h>
#include <arch/types.h>
 
#define i8042_DATA 0x60
#define i8042_STATUS 0x64
 
static inline void i8042_data_write(uint8_t data)
{
outb(i8042_DATA, data);
}
 
static inline uint8_t i8042_data_read(void)
{
return inb(i8042_DATA);
}
 
static inline uint8_t i8042_status_read(void)
{
return inb(i8042_STATUS);
}
 
static inline void i8042_command_write(uint8_t command)
{
outb(i8042_STATUS, command);
}
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ia64/include/drivers/it.h
41,7 → 41,7
* from firmware.
*
*/
#define IT_DELTA it_delta
#define IT_DELTA 100000
 
extern void it_init(void);
 
/branches/arm/kernel/arch/ia64/include/interrupt.h
50,13 → 50,10
#define IVT_FIRST 0
 
/** External Interrupt vectors. */
 
#define VECTOR_TLB_SHOOTDOWN_IPI 0xf0
#define INTERRUPT_TIMER 255
#define IRQ_KBD (0x01 + LEGACY_INTERRUPT_BASE)
#define IRQ_MOUSE (0x0c + LEGACY_INTERRUPT_BASE)
#define IRQ_KBD 241
#define IRQ_MOUSE 252
#define INTERRUPT_SPURIOUS 15
#define LEGACY_INTERRUPT_BASE 0x20
 
/** General Exception codes. */
#define GE_ILLEGALOP 0
117,7 → 114,7
/*
* The following variables are defined only for break_instruction
* handler.
* handler.
*/
uint64_t in0;
uint64_t in1;
153,8 → 150,6
extern void external_interrupt(uint64_t vector, istate_t *istate);
extern void disabled_fp_register(uint64_t vector, istate_t *istate);
 
extern void trap_virtual_enable_irqs(uint16_t irqmask);
 
#endif
 
/** @}
/branches/arm/kernel/arch/ia64/include/bootinfo.h
29,23 → 29,13
#ifndef KERN_ia64_BOOTINFO_H_
#define KERN_ia64_BOOTINFO_H_
 
#define BOOTINFO_ADDRESS 0x4401000
 
 
#define CONFIG_INIT_TASKS 32
 
#define MEMMAP_ITEMS 128
 
#define EFI_MEMMAP_FREE_MEM 0
#define EFI_MEMMAP_IO 1
#define EFI_MEMMAP_IO_PORTS 2
 
/** Size of buffer for storing task name in binit_task_t. */
#define BOOTINFO_TASK_NAME_BUFLEN 32
 
typedef struct {
void *addr;
unsigned long size;
char name[BOOTINFO_TASK_NAME_BUFLEN];
} binit_task_t;
typedef struct {
53,24 → 43,9
binit_task_t tasks[CONFIG_INIT_TASKS];
} binit_t;
 
typedef struct {
unsigned int type;
unsigned long base;
unsigned long size;
}efi_memmap_item_t;
 
 
typedef struct {
binit_t taskmap;
 
efi_memmap_item_t memmap[MEMMAP_ITEMS];
unsigned int memmap_items;
 
unsigned long * sapic;
unsigned long sys_freq;
unsigned long freq_scale;
unsigned int wakeup_intno;
int hello_configured;
} bootinfo_t;
 
extern bootinfo_t *bootinfo;
/branches/arm/kernel/arch/ia64/include/fpu_context.h
35,6 → 35,7
#ifndef KERN_ia64_FPU_CONTEXT_H_
#define KERN_ia64_FPU_CONTEXT_H_
 
#define ARCH_HAS_FPU 1
#define FPU_CONTEXT_ALIGN 16
 
#include <arch/types.h>
/branches/arm/kernel/arch/ia64/include/cpu.h
38,7 → 38,6
#include <arch/types.h>
#include <arch/register.h>
#include <arch/asm.h>
#include <arch/bootinfo.h>
 
#define FAMILY_ITANIUM 0x7
#define FAMILY_ITANIUM2 0x1f
64,32 → 63,6
return v;
}
 
 
#define CR64_ID_SHIFT 24
#define CR64_ID_MASK 0xff000000
#define CR64_EID_SHIFT 16
#define CR64_EID_MASK 0xff0000
 
static inline int ia64_get_cpu_id(void)
{
uint64_t cr64=cr64_read();
return ((CR64_ID_MASK)&cr64)>>CR64_ID_SHIFT;
}
 
static inline int ia64_get_cpu_eid(void)
{
uint64_t cr64=cr64_read();
return ((CR64_EID_MASK)&cr64)>>CR64_EID_SHIFT;
}
 
 
static inline void ipi_send_ipi(int id, int eid, int intno)
{
(bootinfo->sapic)[2 * (id * 256 + eid)] = intno;
srlz_d();
 
}
 
#endif
 
/** @}
/branches/arm/kernel/arch/ia64/include/atomic.h
37,65 → 37,29
 
/** Atomic addition.
*
* @param val Atomic value.
* @param imm Value to add.
* @param val Atomic value.
* @param imm Value to add.
*
* @return Value before addition.
* @return Value before addition.
*/
static inline long atomic_add(atomic_t *val, int imm)
{
long v;
 
asm volatile ("fetchadd8.rel %0 = %1, %2\n" : "=r" (v),
"+m" (val->count) : "i" (imm));
asm volatile ("fetchadd8.rel %0 = %1, %2\n" : "=r" (v), "+m" (val->count) : "i" (imm));
return v;
}
 
static inline void atomic_inc(atomic_t *val) { atomic_add(val, 1); }
static inline void atomic_dec(atomic_t *val) { atomic_add(val, -1); }
 
static inline uint64_t test_and_set(atomic_t *val) {
uint64_t v;
asm volatile (
"movl %0 = 0x01;;\n"
"xchg8 %0 = %1, %0;;\n"
: "=r" (v), "+m" (val->count)
);
return v;
}
static inline long atomic_preinc(atomic_t *val) { return atomic_add(val, 1) + 1; }
static inline long atomic_predec(atomic_t *val) { return atomic_add(val, -1) - 1; }
 
static inline long atomic_postinc(atomic_t *val) { return atomic_add(val, 1); }
static inline long atomic_postdec(atomic_t *val) { return atomic_add(val, -1); }
 
static inline void atomic_inc(atomic_t *val)
{
atomic_add(val, 1);
}
 
static inline void atomic_dec(atomic_t *val)
{
atomic_add(val, -1);
}
 
static inline long atomic_preinc(atomic_t *val)
{
return atomic_add(val, 1) + 1;
}
 
static inline long atomic_predec(atomic_t *val)
{
return atomic_add(val, -1) - 1;
}
 
static inline long atomic_postinc(atomic_t *val)
{
return atomic_add(val, 1);
}
 
static inline long atomic_postdec(atomic_t *val)
{
return atomic_add(val, -1);
}
 
#endif
 
/** @}
/branches/arm/kernel/arch/ia64/include/ski/ski.h
0,0 → 1,57
/*
* Copyright (c) 2005 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia64
* @{
*/
/** @file
*/
 
#ifndef KERN_ia64_SKI_H_
#define KERN_ia64_SKI_H_
 
#include <arch/types.h>
#include <console/console.h>
 
#define SKI_INIT_CONSOLE 20
#define SKI_GETCHAR 21
#define SKI_PUTCHAR 31
 
extern chardev_t ski_uconsole;
 
extern void ski_init_console(void);
 
extern void ski_kbd_grab(void);
extern void ski_kbd_release(void);
 
extern void kkbdpoll(void *arg);
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ia64/include/arch.h
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia64
/** @addtogroup ia64
* @{
*/
/** @file
37,10 → 37,8
 
#define LOADED_PROG_STACK_PAGES_NO 2
 
#include <arch/drivers/ski.h>
#include <arch/ski/ski.h>
 
extern void arch_pre_main(void);
 
#endif
 
/** @}
/branches/arm/kernel/arch/ia64/include/proc/task.h
31,19 → 31,14
*/
/** @file
*/
#include <proc/task.h>
 
#ifndef KERN_ia64_TASK_H_
#define KERN_ia64_TASK_H_
 
#include <adt/bitmap.h>
 
typedef struct {
bitmap_t *iomap;
} task_arch_t;
 
 
#define task_create_arch(t) { (t)->arch.iomap = NULL; }
#define task_create_arch(t)
#define task_destroy_arch(t)
 
#endif
/branches/arm/kernel/arch/ia64/include/register.h
40,11 → 40,11
#define PSR_I_MASK 0x4000
#define PSR_PK_MASK 0x8000
 
#define PSR_DT_MASK (1 << 17)
#define PSR_RT_MASK (1 << 27)
#define PSR_DT_MASK (1<<17)
#define PSR_RT_MASK (1<<27)
 
#define PSR_DFL_MASK (1 << 18)
#define PSR_DFH_MASK (1 << 19)
#define PSR_DFL_MASK (1<<18)
#define PSR_DFH_MASK (1<<19)
 
#define PSR_IT_MASK 0x0000001000000000
 
/branches/arm/kernel/arch/ia64/include/debug.h
1,5 → 1,5
/*
* Copyright (c) 2005 Ondrej Palkovsky
* Copyright (c) 2005
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
/branches/arm/kernel/arch/ia32/include/syscall.h
File deleted
\ No newline at end of file
Property changes:
Deleted: svn:special
-*
\ No newline at end of property
/branches/arm/kernel/arch/ia32/include/atomic.h
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32
/** @addtogroup ia32
* @{
*/
/** @file
41,29 → 41,17
 
static inline void atomic_inc(atomic_t *val) {
#ifdef CONFIG_SMP
asm volatile (
"lock incl %[count]\n"
: [count] "+m" (val->count)
);
asm volatile ("lock incl %0\n" : "+m" (val->count));
#else
asm volatile (
"incl %[count]\n"
: [count] "+m" (val->count)
);
asm volatile ("incl %0\n" : "+m" (val->count));
#endif /* CONFIG_SMP */
}
 
static inline void atomic_dec(atomic_t *val) {
#ifdef CONFIG_SMP
asm volatile (
"lock decl %[count]\n"
: [count] "+m" (val->count)
);
asm volatile ("lock decl %0\n" : "+m" (val->count));
#else
asm volatile (
"decl %[count]\n"
: [count] "+m" (val->count)
);
asm volatile ("decl %0\n" : "+m" (val->count));
#endif /* CONFIG_SMP */
}
 
70,12 → 58,12
static inline long atomic_postinc(atomic_t *val)
{
long r = 1;
 
asm volatile (
"lock xaddl %[r], %[count]\n"
: [count] "+m" (val->count), [r] "+r" (r)
"lock xaddl %1, %0\n"
: "+m" (val->count), "+r" (r)
);
 
return r;
}
 
84,23 → 72,23
long r = -1;
asm volatile (
"lock xaddl %[r], %[count]\n"
: [count] "+m" (val->count), [r] "+r"(r)
"lock xaddl %1, %0\n"
: "+m" (val->count), "+r"(r)
);
return r;
}
 
#define atomic_preinc(val) (atomic_postinc(val) + 1)
#define atomic_predec(val) (atomic_postdec(val) - 1)
#define atomic_preinc(val) (atomic_postinc(val) + 1)
#define atomic_predec(val) (atomic_postdec(val) - 1)
 
static inline uint32_t test_and_set(atomic_t *val) {
uint32_t v;
asm volatile (
"movl $1, %[v]\n"
"xchgl %[v], %[count]\n"
: [v] "=r" (v), [count] "+m" (val->count)
"movl $1, %0\n"
"xchgl %0, %1\n"
: "=r" (v),"+m" (val->count)
);
return v;
110,20 → 98,22
static inline void atomic_lock_arch(atomic_t *val)
{
uint32_t tmp;
 
preemption_disable();
asm volatile (
"0:\n"
"pause\n" /* Pentium 4's HT love this instruction */
"mov %[count], %[tmp]\n"
"testl %[tmp], %[tmp]\n"
#ifdef CONFIG_HT
"pause\n" /* Pentium 4's HT love this instruction */
#endif
"mov %0, %1\n"
"testl %1, %1\n"
"jnz 0b\n" /* lightweight looping on locked spinlock */
"incl %[tmp]\n" /* now use the atomic operation */
"xchgl %[count], %[tmp]\n"
"testl %[tmp], %[tmp]\n"
"incl %1\n" /* now use the atomic operation */
"xchgl %0, %1\n"
"testl %1, %1\n"
"jnz 0b\n"
: [count] "+m" (val->count), [tmp] "=&r" (tmp)
: "+m" (val->count), "=&r"(tmp)
);
/*
* Prevent critical section code from bleeding out this way up.
/branches/arm/kernel/arch/ia32/include/mm/page.h
95,21 → 95,21
 
/* Get PTE flags accessors for each level. */
#define GET_PTL1_FLAGS_ARCH(ptl0, i) \
get_pt_flags((pte_t *) (ptl0), (size_t) (i))
get_pt_flags((pte_t *) (ptl0), (index_t) (i))
#define GET_PTL2_FLAGS_ARCH(ptl1, i) \
PAGE_PRESENT
#define GET_PTL3_FLAGS_ARCH(ptl2, i) \
PAGE_PRESENT
#define GET_FRAME_FLAGS_ARCH(ptl3, i) \
get_pt_flags((pte_t *) (ptl3), (size_t) (i))
get_pt_flags((pte_t *) (ptl3), (index_t) (i))
 
/* Set PTE flags accessors for each level. */
#define SET_PTL1_FLAGS_ARCH(ptl0, i, x) \
set_pt_flags((pte_t *) (ptl0), (size_t) (i), (x))
set_pt_flags((pte_t *) (ptl0), (index_t) (i), (x))
#define SET_PTL2_FLAGS_ARCH(ptl1, i, x)
#define SET_PTL3_FLAGS_ARCH(ptl2, i, x)
#define SET_FRAME_FLAGS_ARCH(ptl3, i, x) \
set_pt_flags((pte_t *) (ptl3), (size_t) (i), (x))
set_pt_flags((pte_t *) (ptl3), (index_t) (i), (x))
 
/* Macros for querying the last level entries. */
#define PTE_VALID_ARCH(p) \
145,7 → 145,7
/** When bit on this position is 1, a reserved bit was set in page directory. */
#define PFERR_CODE_RSVD (1 << 3)
 
static inline int get_pt_flags(pte_t *pt, size_t i)
static inline int get_pt_flags(pte_t *pt, index_t i)
{
pte_t *p = &pt[i];
158,7 → 158,7
p->global << PAGE_GLOBAL_SHIFT);
}
 
static inline void set_pt_flags(pte_t *pt, size_t i, int flags)
static inline void set_pt_flags(pte_t *pt, index_t i, int flags)
{
pte_t *p = &pt[i];
/branches/arm/kernel/arch/ia32/include/mm/frame.h
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32mm
/** @addtogroup ia32mm
* @{
*/
/** @file
35,8 → 35,8
#ifndef KERN_ia32_FRAME_H_
#define KERN_ia32_FRAME_H_
 
#define FRAME_WIDTH 12 /* 4K */
#define FRAME_SIZE (1 << FRAME_WIDTH)
#define FRAME_WIDTH 12 /* 4K */
#define FRAME_SIZE (1 << FRAME_WIDTH)
 
#ifdef KERNEL
#ifndef __ASM__
/branches/arm/kernel/arch/ia32/include/mm/as.h
42,7 → 42,7
#define USER_ADDRESS_SPACE_START_ARCH ((unsigned long) 0x00000000)
#define USER_ADDRESS_SPACE_END_ARCH ((unsigned long) 0x7fffffff)
 
#define USTACK_ADDRESS_ARCH (USER_ADDRESS_SPACE_END_ARCH - (PAGE_SIZE - 1))
#define USTACK_ADDRESS_ARCH (USER_ADDRESS_SPACE_END_ARCH-(PAGE_SIZE-1))
 
typedef struct {
} as_arch_t;
/branches/arm/kernel/arch/ia32/include/mm/tlb.h
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32mm
/** @addtogroup ia32mm
* @{
*/
/** @file
35,6 → 35,9
#ifndef KERN_ia32_TLB_H_
#define KERN_ia32_TLB_H_
 
#define tlb_arch_init()
#define tlb_print()
 
#endif
 
/** @}
/branches/arm/kernel/arch/ia32/include/barrier.h
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32
/** @addtogroup ia32
* @{
*/
/** @file
46,8 → 46,8
* Provisions are made to prevent compiler from reordering instructions itself.
*/
 
#define CS_ENTER_BARRIER() asm volatile ("" ::: "memory")
#define CS_LEAVE_BARRIER() asm volatile ("" ::: "memory")
#define CS_ENTER_BARRIER() asm volatile ("" ::: "memory")
#define CS_LEAVE_BARRIER() asm volatile ("" ::: "memory")
 
static inline void cpuid_serialization(void)
{
58,30 → 58,30
);
}
 
#if defined(CONFIG_FENCES_P4)
#define memory_barrier() asm volatile ("mfence\n" ::: "memory")
#define read_barrier() asm volatile ("lfence\n" ::: "memory")
#ifdef CONFIG_WEAK_MEMORY
#define write_barrier() asm volatile ("sfence\n" ::: "memory")
#else
#define write_barrier() asm volatile ("" ::: "memory");
#endif
#elif defined(CONFIG_FENCES_P3)
#define memory_barrier() cpuid_serialization()
#define read_barrier() cpuid_serialization()
#ifdef CONFIG_WEAK_MEMORY
#define write_barrier() asm volatile ("sfence\n" ::: "memory")
#else
#define write_barrier() asm volatile ("" ::: "memory");
#endif
#ifdef CONFIG_FENCES_P4
# define memory_barrier() asm volatile ("mfence\n" ::: "memory")
# define read_barrier() asm volatile ("lfence\n" ::: "memory")
# ifdef CONFIG_WEAK_MEMORY
# define write_barrier() asm volatile ("sfence\n" ::: "memory")
# else
# define write_barrier() asm volatile( "" ::: "memory");
# endif
#elif CONFIG_FENCES_P3
# define memory_barrier() cpuid_serialization()
# define read_barrier() cpuid_serialization()
# ifdef CONFIG_WEAK_MEMORY
# define write_barrier() asm volatile ("sfence\n" ::: "memory")
# else
# define write_barrier() asm volatile( "" ::: "memory");
# endif
#else
#define memory_barrier() cpuid_serialization()
#define read_barrier() cpuid_serialization()
#ifdef CONFIG_WEAK_MEMORY
#define write_barrier() cpuid_serialization()
#else
#define write_barrier() asm volatile ("" ::: "memory");
#endif
# define memory_barrier() cpuid_serialization()
# define read_barrier() cpuid_serialization()
# ifdef CONFIG_WEAK_MEMORY
# define write_barrier() cpuid_serialization()
# else
# define write_barrier() asm volatile( "" ::: "memory");
# endif
#endif
 
/*
90,8 → 90,8
* queueing in the store buffer drain to the memory (even though it would be
* sufficient for them to drain to the D-cache).
*/
#define smc_coherence(a) write_barrier()
#define smc_coherence_block(a, l) write_barrier()
#define smc_coherence(a) write_barrier()
#define smc_coherence_block(a, l) write_barrier()
 
#endif
 
/branches/arm/kernel/arch/ia32/include/types.h
46,6 → 46,8
typedef unsigned long long uint64_t;
 
typedef uint32_t size_t;
typedef uint32_t count_t;
typedef uint32_t index_t;
 
typedef uint32_t uintptr_t;
typedef uint32_t pfn_t;
55,11 → 57,10
typedef uint32_t unative_t;
typedef int32_t native_t;
 
typedef struct {
} fncptr_t;
 
#define PRIp "x" /**< Format for uintptr_t. */
#define PRIs "u" /**< Format for size_t. */
#define PRIc "u" /**< Format for count_t. */
#define PRIi "u" /**< Format for index_t. */
 
#define PRId8 "d" /**< Format for int8_t. */
#define PRId16 "d" /**< Format for int16_t. */
/branches/arm/kernel/arch/ia32/include/smp/smp.h
39,10 → 39,10
 
/** SMP config opertaions interface. */
struct smp_config_operations {
size_t (* cpu_count)(void); /**< Return number of detected processors. */
bool (* cpu_enabled)(size_t i); /**< Check whether the processor of index i is enabled. */
bool (*cpu_bootstrap)(size_t i); /**< Check whether the processor of index i is BSP. */
uint8_t (*cpu_apic_id)(size_t i); /**< Return APIC ID of the processor of index i. */
count_t (* cpu_count)(void); /**< Return number of detected processors. */
bool (* cpu_enabled)(index_t i); /**< Check whether the processor of index i is enabled. */
bool (*cpu_bootstrap)(index_t i); /**< Check whether the processor of index i is BSP. */
uint8_t (*cpu_apic_id)(index_t i); /**< Return APIC ID of the processor of index i. */
int (*irq_to_pin)(unsigned int irq); /**< Return mapping between irq and APIC pin. */
};
 
/branches/arm/kernel/arch/ia32/include/byteorder.h
0,0 → 1,44
/*
* Copyright (c) 2005 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32
* @{
*/
/** @file
*/
 
#ifndef KERN_ia32_BYTEORDER_H_
#define KERN_ia32_BYTEORDER_H_
 
/* IA-32 is little-endian */
#define ARCH_IS_LITTLE_ENDIAN
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ia32/include/boot/memmap.h
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32
/** @addtogroup ia32
* @{
*/
/** @file
35,29 → 35,24
#ifndef KERN_ia32_MEMMAP_H_
#define KERN_ia32_MEMMAP_H_
 
/* E820h memory range types */
/* E820h memory range types - other values*/
/* Free memory */
#define MEMMAP_MEMORY_AVAILABLE 1
/* Not available for OS */
#define MEMMAP_MEMORY_RESERVED 2
/* OS may use it after reading ACPI table */
#define MEMMAP_MEMORY_ACPI 3
/* Unusable, required to be saved and restored across an NVS sleep */
#define MEMMAP_MEMORY_NVS 4
/* Corrupted memory */
#define MEMMAP_MEMORY_UNUSABLE 5
 
/* Free memory */
#define MEMMAP_MEMORY_AVAILABLE 1
/* size of one entry */
#define MEMMAP_E820_RECORD_SIZE 20
/* maximum entries */
#define MEMMAP_E820_MAX_RECORDS 32
 
/* Not available for OS */
#define MEMMAP_MEMORY_RESERVED 2
 
/* OS may use it after reading ACPI table */
#define MEMMAP_MEMORY_ACPI 3
 
/* Unusable, required to be saved and restored across an NVS sleep */
#define MEMMAP_MEMORY_NVS 4
 
/* Corrupted memory */
#define MEMMAP_MEMORY_UNUSABLE 5
 
/* Size of one entry */
#define MEMMAP_E820_RECORD_SIZE 20
 
/* Maximum entries */
#define MEMMAP_E820_MAX_RECORDS 32
 
#ifndef __ASM__
 
#include <arch/types.h>
/branches/arm/kernel/arch/ia32/include/boot/boot.h
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32
/** @addtogroup ia32
* @{
*/
/** @file
35,24 → 35,15
#ifndef KERN_ia32_BOOT_H_
#define KERN_ia32_BOOT_H_
 
#define BOOT_OFFSET 0x108000
#define AP_BOOT_OFFSET 0x8000
#define BOOT_STACK_SIZE 0x400
#define BOOT_OFFSET 0x108000
#define AP_BOOT_OFFSET 0x8000
#define BOOT_STACK_SIZE 0x400
 
#define MULTIBOOT_HEADER_MAGIC 0x1BADB002
#define MULTIBOOT_HEADER_FLAGS 0x00010003
#define MULTIBOOT_HEADER_MAGIC 0x1BADB002
#define MULTIBOOT_HEADER_FLAGS 0x00010003
 
#ifndef __ASM__
#define MULTIBOOT_LOADER_MAGIC 0x2BADB002
 
#ifdef CONFIG_SMP
 
/* This is only a symbol so the type is dummy. Obtain the value using &. */
extern int _hardcoded_unmapped_size;
 
#endif /* CONFIG_SMP */
 
#endif /* __ASM__ */
 
#endif
 
/** @}
/branches/arm/kernel/arch/ia32/include/proc/task.h
40,7 → 40,7
 
typedef struct {
/** I/O Permission bitmap Generation counter. */
size_t iomapver;
count_t iomapver;
/** I/O Permission bitmap. */
bitmap_t iomap;
} task_arch_t;
/branches/arm/kernel/arch/ia32/include/interrupt.h
72,6 → 72,10
uint32_t eax;
uint32_t ecx;
uint32_t edx;
uint32_t esi;
uint32_t edi;
uint32_t ebp;
uint32_t ebx;
 
uint32_t gs;
uint32_t fs;
/branches/arm/kernel/arch/ia32/include/pm.h
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32
/** @addtogroup ia32
* @{
*/
/** @file
35,59 → 35,61
#ifndef KERN_ia32_PM_H_
#define KERN_ia32_PM_H_
 
#define IDT_ITEMS 64
#define GDT_ITEMS 7
#define IDT_ITEMS 64
#define GDT_ITEMS 7
 
#define NULL_DES 0
#define KTEXT_DES 1
#define KDATA_DES 2
#define UTEXT_DES 3
#define UDATA_DES 4
#define TSS_DES 5
#define TLS_DES 6 /* Pointer to Thread-Local-Storage data */
#define VESA_INIT_SEGMENT 0x8000
 
#define NULL_DES 0
#define KTEXT_DES 1
#define KDATA_DES 2
#define UTEXT_DES 3
#define UDATA_DES 4
#define TSS_DES 5
#define TLS_DES 6 /* Pointer to Thread-Local-Storage data */
 
#ifdef CONFIG_FB
 
#define VESA_INIT_SEGMENT 0x8000
#define VESA_INIT_DES 7
#define KTEXT32_DES KTEXT_DES
 
#define VESA_INIT_SEGMENT 0x8000
#define VESA_INIT_DES 7
#undef GDT_ITEMS
#define GDT_ITEMS 8
#define GDT_ITEMS 8
 
#endif /* CONFIG_FB */
 
#define gdtselector(des) ((des) << 3)
 
#define PL_KERNEL 0
#define PL_USER 3
#define selector(des) ((des) << 3)
 
#define AR_PRESENT (1 << 7)
#define AR_DATA (2 << 3)
#define AR_CODE (3 << 3)
#define AR_WRITABLE (1 << 1)
#define AR_INTERRUPT (0x0e)
#define AR_TSS (0x09)
#define PL_KERNEL 0
#define PL_USER 3
 
#define DPL_KERNEL (PL_KERNEL << 5)
#define DPL_USER (PL_USER << 5)
#define AR_PRESENT (1 << 7)
#define AR_DATA (2 << 3)
#define AR_CODE (3 << 3)
#define AR_WRITABLE (1 << 1)
#define AR_INTERRUPT (0xe)
#define AR_TSS (0x9)
 
#define TSS_BASIC_SIZE 104
#define TSS_IOMAP_SIZE (16 * 1024 + 1) /* 16K for bitmap + 1 terminating byte for convenience */
#define DPL_KERNEL (PL_KERNEL << 5)
#define DPL_USER (PL_USER << 5)
 
#define IO_PORTS (64 * 1024)
#define TSS_BASIC_SIZE 104
#define TSS_IOMAP_SIZE (16 * 1024 + 1) /* 16K for bitmap + 1 terminating byte for convenience */
 
#define IO_PORTS (64 * 1024)
 
#ifndef __ASM__
 
#include <arch/types.h>
#include <arch/context.h>
 
typedef struct {
struct ptr_16_32 {
uint16_t limit;
uint32_t base;
} __attribute__ ((packed)) ptr_16_32_t;
} __attribute__ ((packed));
typedef struct ptr_16_32 ptr_16_32_t;
 
typedef struct {
struct descriptor {
unsigned limit_0_15: 16;
unsigned base_0_15: 16;
unsigned base_16_23: 8;
98,17 → 100,19
unsigned special: 1;
unsigned granularity : 1;
unsigned base_24_31: 8;
} __attribute__ ((packed)) descriptor_t;
} __attribute__ ((packed));
typedef struct descriptor descriptor_t;
 
typedef struct {
struct idescriptor {
unsigned offset_0_15: 16;
unsigned selector: 16;
unsigned unused: 8;
unsigned access: 8;
unsigned offset_16_31: 16;
} __attribute__ ((packed)) idescriptor_t;
} __attribute__ ((packed));
typedef struct idescriptor idescriptor_t;
 
typedef struct {
struct tss {
uint16_t link;
unsigned : 16;
uint32_t esp0;
148,12 → 152,13
unsigned : 16;
uint16_t iomap_base;
uint8_t iomap[TSS_IOMAP_SIZE];
} __attribute__ ((packed)) tss_t;
} __attribute__ ((packed));
typedef struct tss tss_t;
 
extern ptr_16_32_t gdtr;
extern ptr_16_32_t bootstrap_gdtr;
extern ptr_16_32_t protected_ap_gdtr;
extern tss_t *tss_p;
extern struct tss *tss_p;
 
extern descriptor_t gdt[];
 
/branches/arm/kernel/arch/ia32/include/asm.h
27,7 → 27,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32
/** @addtogroup ia32
* @{
*/
/** @file
38,7 → 38,6
 
#include <arch/pm.h>
#include <arch/types.h>
#include <typedefs.h>
#include <config.h>
 
extern uint32_t interrupt_handler_size;
56,16 → 55,11
 
/** Halt CPU
*
* Halt the current CPU.
*
* Halt the current CPU until interrupt event.
*/
static inline void cpu_halt(void)
{
asm volatile (
"0:\n"
" hlt\n"
" jmp 0b\n"
);
asm volatile ("hlt\n");
}
 
static inline void cpu_sleep(void)
74,22 → 68,16
}
 
#define GEN_READ_REG(reg) static inline unative_t read_ ##reg (void) \
{ \
unative_t res; \
asm volatile ( \
"movl %%" #reg ", %[res]" \
: [res] "=r" (res) \
); \
return res; \
}
{ \
unative_t res; \
asm volatile ("movl %%" #reg ", %0" : "=r" (res) ); \
return res; \
}
 
#define GEN_WRITE_REG(reg) static inline void write_ ##reg (unative_t regn) \
{ \
asm volatile ( \
"movl %[regn], %%" #reg \
:: [regn] "r" (regn) \
); \
}
{ \
asm volatile ("movl %0, %%" #reg : : "r" (regn)); \
}
 
GEN_READ_REG(cr0)
GEN_READ_REG(cr2)
116,14 → 104,10
*
* @param port Port to write to
* @param val Value to write
*
*/
static inline void pio_write_8(ioport8_t *port, uint8_t val)
static inline void outb(uint16_t port, uint8_t val)
{
asm volatile (
"outb %b[val], %w[port]\n"
:: [val] "a" (val), [port] "d" (port)
);
asm volatile ("outb %b0, %w1\n" : : "a" (val), "d" (port) );
}
 
/** Word to port
132,14 → 116,10
*
* @param port Port to write to
* @param val Value to write
*
*/
static inline void pio_write_16(ioport16_t *port, uint16_t val)
static inline void outw(uint16_t port, uint16_t val)
{
asm volatile (
"outw %w[val], %w[port]\n"
:: [val] "a" (val), [port] "d" (port)
);
asm volatile ("outw %w0, %w1\n" : : "a" (val), "d" (port) );
}
 
/** Double word to port
148,14 → 128,10
*
* @param port Port to write to
* @param val Value to write
*
*/
static inline void pio_write_32(ioport32_t *port, uint32_t val)
static inline void outl(uint16_t port, uint32_t val)
{
asm volatile (
"outl %[val], %w[port]\n"
:: [val] "a" (val), [port] "d" (port)
);
asm volatile ("outl %l0, %w1\n" : : "a" (val), "d" (port) );
}
 
/** Byte from port
164,18 → 140,12
*
* @param port Port to read from
* @return Value read
*
*/
static inline uint8_t pio_read_8(ioport8_t *port)
static inline uint8_t inb(uint16_t port)
{
uint8_t val;
asm volatile (
"inb %w[port], %b[val]\n"
: [val] "=a" (val)
: [port] "d" (port)
);
asm volatile ("inb %w1, %b0 \n" : "=a" (val) : "d" (port) );
return val;
}
 
185,18 → 155,12
*
* @param port Port to read from
* @return Value read
*
*/
static inline uint16_t pio_read_16(ioport16_t *port)
static inline uint16_t inw(uint16_t port)
{
uint16_t val;
asm volatile (
"inw %w[port], %w[val]\n"
: [val] "=a" (val)
: [port] "d" (port)
);
asm volatile ("inw %w1, %w0 \n" : "=a" (val) : "d" (port) );
return val;
}
 
206,18 → 170,12
*
* @param port Port to read from
* @return Value read
*
*/
static inline uint32_t pio_read_32(ioport32_t *port)
static inline uint32_t inl(uint16_t port)
{
uint32_t val;
asm volatile (
"inl %w[port], %[val]\n"
: [val] "=a" (val)
: [port] "d" (port)
);
asm volatile ("inl %w1, %l0 \n" : "=a" (val) : "d" (port) );
return val;
}
 
227,19 → 185,16
* value of EFLAGS.
*
* @return Old interrupt priority level.
*
*/
static inline ipl_t interrupts_enable(void)
{
ipl_t v;
asm volatile (
"pushf\n"
"popl %[v]\n"
"pushf\n\t"
"popl %0\n\t"
"sti\n"
: [v] "=r" (v)
: "=r" (v)
);
return v;
}
 
249,19 → 204,16
* value of EFLAGS.
*
* @return Old interrupt priority level.
*
*/
static inline ipl_t interrupts_disable(void)
{
ipl_t v;
asm volatile (
"pushf\n"
"popl %[v]\n"
"pushf\n\t"
"popl %0\n\t"
"cli\n"
: [v] "=r" (v)
: "=r" (v)
);
return v;
}
 
270,14 → 222,13
* Restore EFLAGS.
*
* @param ipl Saved interrupt priority level.
*
*/
static inline void interrupts_restore(ipl_t ipl)
{
asm volatile (
"pushl %[ipl]\n"
"pushl %0\n\t"
"popf\n"
:: [ipl] "r" (ipl)
: : "r" (ipl)
);
}
 
284,51 → 235,23
/** Return interrupt priority level.
*
* @return EFLAFS.
*
*/
static inline ipl_t interrupts_read(void)
{
ipl_t v;
asm volatile (
"pushf\n"
"popl %[v]\n"
: [v] "=r" (v)
"pushf\n\t"
"popl %0\n"
: "=r" (v)
);
return v;
}
 
/** Write to MSR */
static inline void write_msr(uint32_t msr, uint64_t value)
{
asm volatile (
"wrmsr"
:: "c" (msr), "a" ((uint32_t) (value)),
"d" ((uint32_t) (value >> 32))
);
}
 
static inline uint64_t read_msr(uint32_t msr)
{
uint32_t ax, dx;
asm volatile (
"rdmsr"
: "=a" (ax), "=d" (dx)
: "c" (msr)
);
return ((uint64_t) dx << 32) | ax;
}
 
 
/** Return base address of current stack
*
* Return the base address of the current stack.
* The stack is assumed to be STACK_SIZE bytes long.
* The stack must start on page boundary.
*
*/
static inline uintptr_t get_stack_base(void)
{
335,8 → 258,8
uintptr_t v;
asm volatile (
"andl %%esp, %[v]\n"
: [v] "=r" (v)
"andl %%esp, %0\n"
: "=r" (v)
: "0" (~(STACK_SIZE - 1))
);
347,12 → 270,11
static inline uintptr_t * get_ip()
{
uintptr_t *ip;
 
asm volatile (
"mov %%eip, %[ip]"
: [ip] "=r" (ip)
);
"mov %%eip, %0"
: "=r" (ip)
);
return ip;
}
 
359,66 → 281,46
/** Invalidate TLB Entry.
*
* @param addr Address on a page whose TLB entry is to be invalidated.
*
*/
static inline void invlpg(uintptr_t addr)
{
asm volatile (
"invlpg %[addr]\n"
:: [addr] "m" (*(unative_t *) addr)
);
asm volatile ("invlpg %0\n" :: "m" (*(unative_t *)addr));
}
 
/** Load GDTR register from memory.
*
* @param gdtr_reg Address of memory from where to load GDTR.
*
*/
static inline void gdtr_load(ptr_16_32_t *gdtr_reg)
{
asm volatile (
"lgdtl %[gdtr_reg]\n"
:: [gdtr_reg] "m" (*gdtr_reg)
);
asm volatile ("lgdtl %0\n" : : "m" (*gdtr_reg));
}
 
/** Store GDTR register to memory.
*
* @param gdtr_reg Address of memory to where to load GDTR.
*
*/
static inline void gdtr_store(ptr_16_32_t *gdtr_reg)
{
asm volatile (
"sgdtl %[gdtr_reg]\n"
:: [gdtr_reg] "m" (*gdtr_reg)
);
asm volatile ("sgdtl %0\n" : : "m" (*gdtr_reg));
}
 
/** Load IDTR register from memory.
*
* @param idtr_reg Address of memory from where to load IDTR.
*
*/
static inline void idtr_load(ptr_16_32_t *idtr_reg)
{
asm volatile (
"lidtl %[idtr_reg]\n"
:: [idtr_reg] "m" (*idtr_reg)
);
asm volatile ("lidtl %0\n" : : "m" (*idtr_reg));
}
 
/** Load TR from descriptor table.
*
* @param sel Selector specifying descriptor of TSS segment.
*
*/
static inline void tr_load(uint16_t sel)
{
asm volatile (
"ltr %[sel]"
:: [sel] "r" (sel)
);
asm volatile ("ltr %0" : : "r" (sel));
}
 
#endif
/branches/arm/kernel/arch/ia32/include/cpuid.h
35,13 → 35,6
#ifndef KERN_ia32_CPUID_H_
#define KERN_ia32_CPUID_H_
 
#define INTEL_CPUID_LEVEL 0x00000000
#define INTEL_CPUID_STANDARD 0x00000001
#define INTEL_PSE 3
#define INTEL_SEP 11
 
#ifndef __ASM__
 
#include <arch/types.h>
 
typedef struct {
81,21 → 74,21
uint32_t val, ret;
asm volatile (
"pushf\n" /* read flags */
"popl %[ret]\n"
"movl %[ret], %[val]\n"
"pushf\n" /* read flags */
"popl %0\n"
"movl %0, %1\n"
"btcl $21, %[val]\n" /* swap the ID bit */
"btcl $21, %1\n" /* swap the ID bit */
"pushl %[val]\n" /* propagate the change into flags */
"pushl %1\n" /* propagate the change into flags */
"popf\n"
"pushf\n"
"popl %[val]\n"
"popl %1\n"
"andl $(1 << 21), %[ret]\n" /* interrested only in ID bit */
"andl $(1 << 21), %[val]\n"
"xorl %[val], %[ret]\n"
: [ret] "=r" (ret), [val] "=r" (val)
"andl $(1 << 21), %0\n" /* interrested only in ID bit */
"andl $(1 << 21), %1\n"
"xorl %1, %0\n"
: "=r" (ret), "=r" (val)
);
return ret;
105,13 → 98,11
{
asm volatile (
"cpuid\n"
: "=a" (info->cpuid_eax), "=b" (info->cpuid_ebx),
"=c" (info->cpuid_ecx), "=d" (info->cpuid_edx)
: "=a" (info->cpuid_eax), "=b" (info->cpuid_ebx), "=c" (info->cpuid_ecx), "=d" (info->cpuid_edx)
: "a" (cmd)
);
}
 
#endif /* !def __ASM__ */
#endif
 
/** @}
/branches/arm/kernel/arch/ia32/include/cpu.h
35,33 → 35,25
#ifndef KERN_ia32_CPU_H_
#define KERN_ia32_CPU_H_
 
#include <arch/pm.h>
#include <arch/asm.h>
 
#define EFLAGS_IF (1 << 9)
#define EFLAGS_RF (1 << 16)
 
#define CR4_OSFXSR_MASK (1<<9)
 
/* Support for SYSENTER and SYSEXIT */
#define IA32_MSR_SYSENTER_CS 0x174
#define IA32_MSR_SYSENTER_ESP 0x175
#define IA32_MSR_SYSENTER_EIP 0x176
 
#ifndef __ASM__
 
#include <arch/pm.h>
#include <arch/asm.h>
 
typedef struct {
unsigned int vendor;
unsigned int family;
unsigned int model;
unsigned int stepping;
tss_t *tss;
int vendor;
int family;
int model;
int stepping;
struct tss *tss;
size_t iomapver_copy; /** Copy of TASK's I/O Permission bitmap generation count. */
count_t iomapver_copy; /** Copy of TASK's I/O Permission bitmap generation count. */
} cpu_arch_t;
 
#endif
 
#define CR4_OSFXSR_MASK (1<<9)
 
#endif
 
/** @}
/branches/arm/kernel/arch/ia32/include/fpu_context.h
37,6 → 37,7
 
#include <arch/types.h>
 
#define ARCH_HAS_FPU
#define FPU_CONTEXT_ALIGN 16
 
void fpu_fxsr(void);
/branches/arm/kernel/arch/ia32/include/arch.h
1,5 → 1,5
/*
* Copyright (c) 2009 Martin Decky
* Copyright (c) 2005 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32
/** @addtogroup ia32
* @{
*/
/** @file
35,10 → 35,6
#ifndef KERN_ia32_ARCH_H_
#define KERN_ia32_ARCH_H_
 
#include <genarch/multiboot/multiboot.h>
 
extern void arch_pre_main(uint32_t, const multiboot_info_t *);
 
#endif
 
/** @}
/branches/arm/kernel/arch/ia32/include/drivers/i8254.h
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32
/** @addtogroup ia32
* @{
*/
/** @file
/branches/arm/kernel/arch/ia32/include/drivers/ega.h
0,0 → 1,48
/*
* Copyright (c) 2001-2004 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32
* @{
*/
/** @file
*/
 
#ifndef KERN_ia32_EGA_H_
#define KERN_ia32_EGA_H_
 
#define VIDEORAM 0xb8000
#define ROW 80
#define ROWS 25
#define SCREEN (ROW * ROWS)
 
extern void ega_init(void);
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ia32/include/drivers/vesa.h
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32
/** @addtogroup ia32
* @{
*/
/** @file
36,7 → 36,6
#define KERN_ia32_VESA_H_
 
extern int vesa_present(void);
extern void vesa_redraw(void);
extern void vesa_init(void);
 
#endif
/branches/arm/kernel/arch/ia32/include/drivers/i8259.h
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32
/** @addtogroup ia32
* @{
*/
/** @file
38,13 → 38,13
#include <arch/types.h>
#include <arch/interrupt.h>
 
#define PIC_PIC0PORT1 ((ioport8_t *) 0x20)
#define PIC_PIC0PORT2 ((ioport8_t *) 0x21)
#define PIC_PIC1PORT1 ((ioport8_t *) 0xa0)
#define PIC_PIC1PORT2 ((ioport8_t *) 0xa1)
#define PIC_PIC0PORT1 0x20
#define PIC_PIC0PORT2 0x21
#define PIC_PIC1PORT1 0xa0
#define PIC_PIC1PORT2 0xa1
 
#define PIC_NEEDICW4 (1 << 0)
#define PIC_ICW1 (1 << 4)
#define PIC_NEEDICW4 (1<<0)
#define PIC_ICW1 (1<<4)
 
extern void i8259_init(void);
extern void pic_enable_irqs(uint16_t irqmask);
/branches/arm/kernel/arch/ia32/include/drivers/i8042.h
0,0 → 1,71
/*
* Copyright (c) 2006 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32
* @{
*/
/** @file
*/
 
/**
* This file implements ia32 specific access to i8042 registers.
*/
 
#ifndef KERN_ia32_I8042_H_
#define KERN_ia32_I8042_H_
 
#include <arch/asm.h>
#include <arch/types.h>
 
#define i8042_DATA 0x60
#define i8042_STATUS 0x64
 
static inline void i8042_data_write(uint8_t data)
{
outb(i8042_DATA, data);
}
 
static inline uint8_t i8042_data_read(void)
{
return inb(i8042_DATA);
}
 
static inline uint8_t i8042_status_read(void)
{
return inb(i8042_STATUS);
}
 
static inline void i8042_command_write(uint8_t command)
{
outb(i8042_STATUS, command);
}
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ia32/Makefile.inc
29,6 → 29,10
## Toolchain configuration
#
 
ifndef CROSS_PREFIX
CROSS_PREFIX = /usr/local
endif
 
BFD_NAME = elf32-i386
BFD_ARCH = i386
BFD = binary
35,8 → 39,7
TARGET = i686-pc-linux-gnu
TOOLCHAIN_DIR = $(CROSS_PREFIX)/i686
 
BITS = 32
ENDIANESS = LE
DEFS += -DMACHINE=$(MACHINE) -D__32_BITS__
 
CMN1 = -m32
GCC_CFLAGS += $(CMN1)
46,61 → 49,115
## Accepted CPUs
#
 
ifeq ($(PROCESSOR),athlon_xp)
ifeq ($(MACHINE),athlon-xp)
FPU_NO_CFLAGS = -mno-mmx -mno-sse -mno-3dnow
CMN2 = -march=athlon-xp
GCC_CFLAGS += $(CMN2)
ICC_CFLAGS += $(CMN2)
SUNCC_CFLAGS += -xarch=ssea
DEFS += -DCONFIG_FENCES_P3
CONFIG_SMP = n
CONFIG_HT = n
endif
ifeq ($(PROCESSOR),athlon_mp)
ifeq ($(MACHINE),athlon-mp)
FPU_NO_CFLAGS = -mno-mmx -mno-sse -mno-3dnow
CMN2 = -march=athlon-mp
GCC_CFLAGS += $(CMN2)
ICC_CFLAGS += $(CMN2)
SUNCC_CFLAGS += xarch=ssea
DEFS += -DCONFIG_FENCES_P3
CONFIG_HT = n
endif
ifeq ($(PROCESSOR),pentium3)
ifeq ($(MACHINE),pentium3)
FPU_NO_CFLAGS = -mno-mmx -mno-sse
CMN2 = -march=pentium3
GCC_CFLAGS += $(CMN2)
ICC_CFLAGS += $(CMN2)
SUNCC_CFLAGS += -xarch=sse
DEFS += -DCONFIG_FENCES_P3
CONFIG_HT = n
endif
ifeq ($(PROCESSOR),pentium4)
CMN2 = -march=pentium4
SUNCC_CFLAGS += -xarch=sse2
endif
ifeq ($(PROCESSOR),core)
ifeq ($(MACHINE),core)
FPU_NO_CFLAGS = -mno-mmx -mno-sse -mno-sse2 -mno-sse3
CMN2 = -march=prescott
GCC_CFLAGS += $(CMN2)
ICC_CFLAGS += $(CMN2)
SUNCC_CFLAGS += -xarch=sse3
DEFS += -DCONFIG_FENCES_P4
endif
ifeq ($(MACHINE),pentium4)
FPU_NO_CFLAGS = -mno-mmx -mno-sse -mno-sse2
GCC_CFLAGS += -march=pentium4
ICC_CFLAGS += -march=pentium4
SUNCC_CFLAGS += -xarch=sse2
DEFS += -DCONFIG_FENCES_P4
endif
 
FPU_NO_CFLAGS = -mno-mmx -mno-sse -mno-sse2 -mno-sse3 -mno-3dnow
GCC_CFLAGS += $(CMN2)
ICC_CFLAGS += $(CMN2)
## Own configuration directives
#
 
CONFIG_ACPI = y
 
## Compile with hierarchical page tables support.
#
 
CONFIG_PAGE_PT = y
DEFS += -DCONFIG_PAGE_PT
 
## Compile with i8042 controller support
#
 
CONFIG_I8042 = y
DEFS += -DCONFIG_I8042
 
## Accepted configuration directives
#
 
ifeq ($(CONFIG_SMP),y)
DEFS += -DCONFIG_SMP
endif
ifeq ($(CONFIG_HT),y)
DEFS += -DCONFIG_HT
endif
ifeq ($(CONFIG_SIMICS_FIX),y)
DEFS += -DCONFIG_SIMICS_FIX
endif
 
## Compile with support for software integer division.
#
 
CONFIG_SOFTINT = y
 
ARCH_SOURCES = \
arch/$(KARCH)/src/context.S \
arch/$(KARCH)/src/debug/panic.s \
arch/$(KARCH)/src/delay.s \
arch/$(KARCH)/src/asm.S \
arch/$(KARCH)/src/proc/scheduler.c \
arch/$(KARCH)/src/proc/task.c \
arch/$(KARCH)/src/proc/thread.c \
arch/$(KARCH)/src/bios/bios.c \
arch/$(KARCH)/src/smp/ap.S \
arch/$(KARCH)/src/smp/apic.c \
arch/$(KARCH)/src/smp/mps.c \
arch/$(KARCH)/src/smp/smp.c \
arch/$(KARCH)/src/atomic.S \
arch/$(KARCH)/src/smp/ipi.c \
arch/$(KARCH)/src/ia32.c \
arch/$(KARCH)/src/interrupt.c \
arch/$(KARCH)/src/pm.c \
arch/$(KARCH)/src/userspace.c \
arch/$(KARCH)/src/cpu/cpu.c \
arch/$(KARCH)/src/mm/as.c \
arch/$(KARCH)/src/mm/frame.c \
arch/$(KARCH)/src/mm/page.c \
arch/$(KARCH)/src/mm/tlb.c \
arch/$(KARCH)/src/ddi/ddi.c \
arch/$(KARCH)/src/drivers/i8254.c \
arch/$(KARCH)/src/drivers/i8259.c \
arch/$(KARCH)/src/drivers/vesa.c \
arch/$(KARCH)/src/boot/boot.S \
arch/$(KARCH)/src/boot/memmap.c \
arch/$(KARCH)/src/fpu_context.c \
arch/$(KARCH)/src/debugger.c \
arch/$(KARCH)/src/syscall.c
arch/$(ARCH)/src/context.S \
arch/$(ARCH)/src/debug/panic.s \
arch/$(ARCH)/src/delay.s \
arch/$(ARCH)/src/asm.S \
arch/$(ARCH)/src/proc/scheduler.c \
arch/$(ARCH)/src/proc/task.c \
arch/$(ARCH)/src/proc/thread.c \
arch/$(ARCH)/src/bios/bios.c \
arch/$(ARCH)/src/smp/ap.S \
arch/$(ARCH)/src/smp/apic.c \
arch/$(ARCH)/src/smp/mps.c \
arch/$(ARCH)/src/smp/smp.c \
arch/$(ARCH)/src/atomic.S \
arch/$(ARCH)/src/smp/ipi.c \
arch/$(ARCH)/src/ia32.c \
arch/$(ARCH)/src/interrupt.c \
arch/$(ARCH)/src/pm.c \
arch/$(ARCH)/src/userspace.c \
arch/$(ARCH)/src/cpu/cpu.c \
arch/$(ARCH)/src/mm/as.c \
arch/$(ARCH)/src/mm/frame.c \
arch/$(ARCH)/src/mm/page.c \
arch/$(ARCH)/src/mm/tlb.c \
arch/$(ARCH)/src/ddi/ddi.c \
arch/$(ARCH)/src/drivers/i8254.c \
arch/$(ARCH)/src/drivers/i8259.c \
arch/$(ARCH)/src/drivers/ega.c \
arch/$(ARCH)/src/drivers/vesa.c \
arch/$(ARCH)/src/boot/boot.S \
arch/$(ARCH)/src/boot/memmap.c \
arch/$(ARCH)/src/fpu_context.c \
arch/$(ARCH)/src/debugger.c
/branches/arm/kernel/arch/ia32/src/syscall.c
File deleted
/branches/arm/kernel/arch/ia32/src/asm.S
147,46 → 147,6
popfl
.endm
 
/*
* The SYSENTER syscall mechanism can be used for syscalls with
* four or fewer arguments. To pass these four arguments, we
* use four registers: EDX, ECX, EBX, ESI. The syscall number
* is passed in EAX. We use EDI to remember the return address
* and EBP to remember the stack. The INT-based syscall mechanism
* can actually handle six arguments plus the syscall number
* entirely in registers.
*/
.global sysenter_handler
sysenter_handler:
sti
pushl %ebp # remember user stack
pushl %edi # remember return user address
 
pushl %gs # remember TLS
 
pushl %eax # syscall number
subl $8, %esp # unused sixth and fifth argument
pushl %esi # fourth argument
pushl %ebx # third argument
pushl %ecx # second argument
pushl %edx # first argument
 
movw $16, %ax
movw %ax, %ds
movw %ax, %es
 
cld
call syscall_handler
addl $28, %esp # remove arguments from stack
 
pop %gs # restore TLS
 
pop %edx # prepare return EIP for SYSEXIT
pop %ecx # prepare userspace ESP for SYSEXIT
 
sysexit # return to userspace
 
 
## Declare interrupt handlers
#
# Declare interrupt handlers for n interrupt
268,6 → 228,14
pushl %fs
pushl %gs
 
#ifdef CONFIG_DEBUG_ALLREGS
pushl %ebx
pushl %ebp
pushl %edi
pushl %esi
#else
subl $16, %esp
#endif
pushl %edx
pushl %ecx
pushl %eax
289,6 → 257,14
popl %eax
popl %ecx
popl %edx
#ifdef CONFIG_DEBUG_ALLREGS
popl %esi
popl %edi
popl %ebp
popl %ebx
#else
addl $16, %esp
#endif
popl %gs
popl %fs
/branches/arm/kernel/arch/ia32/src/mm/frame.c
54,57 → 54,26
static void init_e820_memory(pfn_t minconf)
{
unsigned int i;
pfn_t start, conf;
size_t size;
 
for (i = 0; i < e820counter; i++) {
uint64_t base = e820table[i].base_address;
uint64_t size = e820table[i].size;
#ifdef __32_BITS__
/* Ignore physical memory above 4 GB */
if ((base >> 32) != 0)
continue;
/* Clip regions above 4 GB */
if (((base + size) >> 32) != 0)
size = 0xffffffff - base;
#endif
pfn_t pfn;
size_t count;
if (e820table[i].type == MEMMAP_MEMORY_AVAILABLE) {
/* To be safe, make available zone possibly smaller */
pfn = ADDR2PFN(ALIGN_UP(base, FRAME_SIZE));
count = SIZE2FRAMES(ALIGN_DOWN(size, FRAME_SIZE));
start = ADDR2PFN(ALIGN_UP(e820table[i].base_address, FRAME_SIZE));
size = SIZE2FRAMES(ALIGN_DOWN(e820table[i].size, FRAME_SIZE));
pfn_t conf;
if ((minconf < pfn) || (minconf >= pfn + count))
conf = pfn;
if ((minconf < start) || (minconf >= start + size))
conf = start;
else
conf = minconf;
zone_create(pfn, count, conf, ZONE_AVAILABLE);
zone_create(start, size, conf, 0);
// XXX this has to be removed
if (last_frame < ALIGN_UP(base + size, FRAME_SIZE))
last_frame = ALIGN_UP(base + size, FRAME_SIZE);
}
if (e820table[i].type == MEMMAP_MEMORY_RESERVED) {
/* To be safe, make reserved zone possibly larger */
pfn = ADDR2PFN(ALIGN_DOWN(base, FRAME_SIZE));
count = SIZE2FRAMES(ALIGN_UP(size, FRAME_SIZE));
zone_create(pfn, count, 0, ZONE_RESERVED);
}
if (e820table[i].type == MEMMAP_MEMORY_ACPI) {
/* To be safe, make firmware zone possibly larger */
pfn = ADDR2PFN(ALIGN_DOWN(base, (uintptr_t) FRAME_SIZE));
count = SIZE2FRAMES(ALIGN_UP(size, (uintptr_t) FRAME_SIZE));
zone_create(pfn, count, 0, ZONE_FIRMWARE);
}
if (last_frame < ALIGN_UP(e820table[i].base_address +
e820table[i].size, FRAME_SIZE))
last_frame =
ALIGN_UP(e820table[i].base_address + e820table[i].size, FRAME_SIZE);
}
}
}
 
144,14 → 113,16
if (config.cpu_active == 1) {
minconf = 1;
#ifdef CONFIG_SMP
minconf = max(minconf,
ADDR2PFN(AP_BOOT_OFFSET + hardcoded_unmapped_ktext_size +
hardcoded_unmapped_kdata_size));
#endif
#ifdef CONFIG_SIMICS_FIX
minconf = max(minconf, ADDR2PFN(0x10000));
#endif
init_e820_memory(minconf);
 
/* Reserve frame 0 (BIOS data) */
frame_mark_unavailable(0, 1);
160,7 → 131,12
frame_mark_unavailable(AP_BOOT_OFFSET >> FRAME_WIDTH,
(hardcoded_unmapped_ktext_size +
hardcoded_unmapped_kdata_size) >> FRAME_WIDTH);
#ifdef CONFIG_SIMICS_FIX
/* Don't know why, but these addresses help */
frame_mark_unavailable(0xd000 >> FRAME_WIDTH, 3);
#endif
#endif
}
}
 
/branches/arm/kernel/arch/ia32/src/mm/page.c
53,7 → 53,7
{
uintptr_t cur;
int flags;
 
if (config.cpu_active == 1) {
page_mapping_operations = &pt_mapping_operations;
66,12 → 66,12
flags |= PAGE_GLOBAL;
page_mapping_insert(AS_KERNEL, PA2KA(cur), cur, flags);
}
 
exc_register(14, "page_fault", (iroutine) page_fault);
write_cr3((uintptr_t) AS_KERNEL->genarch.page_table);
} else
write_cr3((uintptr_t) AS_KERNEL->genarch.page_table);
 
paging_on();
}
 
79,7 → 79,7
uintptr_t hw_map(uintptr_t physaddr, size_t size)
{
if (last_frame + ALIGN_UP(size, PAGE_SIZE) > KA2PA(KERNEL_ADDRESS_SPACE_END_ARCH))
panic("Unable to map physical memory %p (%d bytes).", physaddr, size)
panic("Unable to map physical memory %p (%d bytes)", physaddr, size)
uintptr_t virtaddr = PA2KA(last_frame);
pfn_t i;
101,8 → 101,8
page = read_cr2();
if (istate->error_word & PFERR_CODE_RSVD)
panic("Reserved bit set in page directory.");
panic("Reserved bit set in page directory.\n");
 
if (istate->error_word & PFERR_CODE_RW)
access = PF_ACCESS_WRITE;
else
109,11 → 109,11
access = PF_ACCESS_READ;
if (as_page_fault(page, access, istate) == AS_PF_FAULT) {
fault_if_from_uspace(istate, "Page fault: %#x.", page);
fault_if_from_uspace(istate, "Page fault: %#x", page);
decode_istate(istate);
printf("page fault address: %#lx\n", page);
panic("Page fault.");
panic("page fault\n");
}
}
 
/branches/arm/kernel/arch/ia32/src/mm/tlb.c
59,7 → 59,7
* @param page Address of the first page whose entry is to be invalidated.
* @param cnt Number of entries to invalidate.
*/
void tlb_invalidate_pages(asid_t asid __attribute__((unused)), uintptr_t page, size_t cnt)
void tlb_invalidate_pages(asid_t asid __attribute__((unused)), uintptr_t page, count_t cnt)
{
unsigned int i;
 
67,13 → 67,5
invlpg(page + i * PAGE_SIZE);
}
 
void tlb_arch_init(void)
{
}
 
void tlb_print(void)
{
}
 
/** @}
*/
/branches/arm/kernel/arch/ia32/src/drivers/ega.c
0,0 → 1,155
/*
* Copyright (c) 2001-2004 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32
* @{
*/
/**
* @file
* @brief EGA driver.
*/
 
#include <arch/drivers/ega.h>
#include <putchar.h>
#include <mm/page.h>
#include <mm/as.h>
#include <arch/mm/page.h>
#include <synch/spinlock.h>
#include <arch/types.h>
#include <arch/asm.h>
#include <memstr.h>
#include <console/chardev.h>
#include <console/console.h>
#include <sysinfo/sysinfo.h>
#include <ddi/ddi.h>
 
/*
* The EGA driver.
* Simple and short. Function for displaying characters and "scrolling".
*/
 
static parea_t ega_parea; /**< Physical memory area for EGA video RAM. */
 
SPINLOCK_INITIALIZE(egalock);
static uint32_t ega_cursor;
static uint8_t *videoram;
 
static void ega_putchar(chardev_t *d, const char ch);
 
chardev_t ega_console;
static chardev_operations_t ega_ops = {
.write = ega_putchar
};
 
static void ega_move_cursor(void);
 
void ega_init(void)
{
uint8_t hi, lo;
videoram = (uint8_t *) hw_map(VIDEORAM, SCREEN * 2);
outb(0x3d4, 0xe);
hi = inb(0x3d5);
outb(0x3d4, 0xf);
lo = inb(0x3d5);
ega_cursor = (hi << 8) | lo;
 
chardev_initialize("ega_out", &ega_console, &ega_ops);
stdout = &ega_console;
ega_parea.pbase = VIDEORAM;
ega_parea.vbase = (uintptr_t) videoram;
ega_parea.frames = 1;
ega_parea.cacheable = false;
ddi_parea_register(&ega_parea);
 
sysinfo_set_item_val("fb", NULL, true);
sysinfo_set_item_val("fb.kind", NULL, 2);
sysinfo_set_item_val("fb.width", NULL, ROW);
sysinfo_set_item_val("fb.height", NULL, ROWS);
sysinfo_set_item_val("fb.address.physical", NULL, VIDEORAM);
}
 
static void ega_display_char(char ch)
{
videoram[ega_cursor * 2] = ch;
}
 
/*
* This function takes care of scrolling.
*/
static void ega_check_cursor(void)
{
if (ega_cursor < SCREEN)
return;
 
memcpy((void *) videoram, (void *) (videoram + ROW * 2), (SCREEN - ROW) * 2);
memsetw(videoram + (SCREEN - ROW) * 2, ROW, 0x0720);
ega_cursor = ega_cursor - ROW;
}
 
void ega_putchar(chardev_t *d __attribute__((unused)), const char ch)
{
ipl_t ipl;
 
ipl = interrupts_disable();
spinlock_lock(&egalock);
 
switch (ch) {
case '\n':
ega_cursor = (ega_cursor + ROW) - ega_cursor % ROW;
break;
case '\t':
ega_cursor = (ega_cursor + 8) - ega_cursor % 8;
break;
case '\b':
if (ega_cursor % ROW)
ega_cursor--;
break;
default:
ega_display_char(ch);
ega_cursor++;
break;
}
ega_check_cursor();
ega_move_cursor();
 
spinlock_unlock(&egalock);
interrupts_restore(ipl);
}
 
void ega_move_cursor(void)
{
outb(0x3d4, 0xe);
outb(0x3d5, (uint8_t) ((ega_cursor >> 8) & 0xff));
outb(0x3d4, 0xf);
outb(0x3d5, (uint8_t) (ega_cursor & 0xff));
}
 
/** @}
*/
/branches/arm/kernel/arch/ia32/src/drivers/i8259.c
49,28 → 49,28
void i8259_init(void)
{
/* ICW1: this is ICW1, ICW4 to follow */
pio_write_8(PIC_PIC0PORT1, PIC_ICW1 | PIC_NEEDICW4);
outb(PIC_PIC0PORT1, PIC_ICW1 | PIC_NEEDICW4);
 
/* ICW2: IRQ 0 maps to INT IRQBASE */
pio_write_8(PIC_PIC0PORT2, IVT_IRQBASE);
outb(PIC_PIC0PORT2, IVT_IRQBASE);
 
/* ICW3: pic1 using IRQ IRQ_PIC1 */
pio_write_8(PIC_PIC0PORT2, 1 << IRQ_PIC1);
outb(PIC_PIC0PORT2, 1 << IRQ_PIC1);
 
/* ICW4: i8086 mode */
pio_write_8(PIC_PIC0PORT2, 1);
outb(PIC_PIC0PORT2, 1);
 
/* ICW1: ICW1, ICW4 to follow */
pio_write_8(PIC_PIC1PORT1, PIC_ICW1 | PIC_NEEDICW4);
outb(PIC_PIC1PORT1, PIC_ICW1 | PIC_NEEDICW4);
 
/* ICW2: IRQ 8 maps to INT (IVT_IRQBASE + 8) */
pio_write_8(PIC_PIC1PORT2, IVT_IRQBASE + 8);
outb(PIC_PIC1PORT2, IVT_IRQBASE + 8);
 
/* ICW3: pic1 is known as IRQ_PIC1 */
pio_write_8(PIC_PIC1PORT2, IRQ_PIC1);
outb(PIC_PIC1PORT2, IRQ_PIC1);
 
/* ICW4: i8086 mode */
pio_write_8(PIC_PIC1PORT2, 1);
outb(PIC_PIC1PORT2, 1);
 
/*
* Register interrupt handler for the PIC spurious interrupt.
94,12 → 94,12
uint8_t x;
 
if (irqmask & 0xff) {
x = pio_read_8(PIC_PIC0PORT2);
pio_write_8(PIC_PIC0PORT2, (uint8_t) (x & (~(irqmask & 0xff))));
x = inb(PIC_PIC0PORT2);
outb(PIC_PIC0PORT2, (uint8_t) (x & (~(irqmask & 0xff))));
}
if (irqmask >> 8) {
x = pio_read_8(PIC_PIC1PORT2);
pio_write_8(PIC_PIC1PORT2, (uint8_t) (x & (~(irqmask >> 8))));
x = inb(PIC_PIC1PORT2);
outb(PIC_PIC1PORT2, (uint8_t) (x & (~(irqmask >> 8))));
}
}
 
108,19 → 108,19
uint8_t x;
 
if (irqmask & 0xff) {
x = pio_read_8(PIC_PIC0PORT2);
pio_write_8(PIC_PIC0PORT2, (uint8_t) (x | (irqmask & 0xff)));
x = inb(PIC_PIC0PORT2);
outb(PIC_PIC0PORT2, (uint8_t) (x | (irqmask & 0xff)));
}
if (irqmask >> 8) {
x = pio_read_8(PIC_PIC1PORT2);
pio_write_8(PIC_PIC1PORT2, (uint8_t) (x | (irqmask >> 8)));
x = inb(PIC_PIC1PORT2);
outb(PIC_PIC1PORT2, (uint8_t) (x | (irqmask >> 8)));
}
}
 
void pic_eoi(void)
{
pio_write_8((ioport8_t *)0x20, 0x20);
pio_write_8((ioport8_t *)0xa0, 0x20);
outb(0x20, 0x20);
outb(0xa0, 0x20);
}
 
void pic_spurious(int n __attribute__((unused)), istate_t *istate __attribute__((unused)))
/branches/arm/kernel/arch/ia32/src/drivers/i8254.c
26,12 → 26,12
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32
/** @addtogroup ia32
* @{
*/
/**
* @file
* @brief i8254 chip driver.
* @brief i8254 chip driver.
*
* Low level time functions.
*/
53,8 → 53,8
#include <ddi/irq.h>
#include <ddi/device.h>
 
#define CLK_PORT1 ((ioport8_t *)0x40)
#define CLK_PORT4 ((ioport8_t *)0x43)
#define CLK_PORT1 0x40
#define CLK_PORT4 0x43
 
#define CLK_CONST 1193180
#define MAGIC_NUMBER 1194
61,12 → 61,12
 
static irq_t i8254_irq;
 
static irq_ownership_t i8254_claim(irq_t *irq)
static irq_ownership_t i8254_claim(void)
{
return IRQ_ACCEPT;
}
 
static void i8254_irq_handler(irq_t *irq)
static void i8254_irq_handler(irq_t *irq, void *arg __attribute__((unused)), ...)
{
/*
* This IRQ is responsible for kernel preemption.
94,10 → 94,10
 
void i8254_normal_operation(void)
{
pio_write_8(CLK_PORT4, 0x36);
outb(CLK_PORT4, 0x36);
pic_disable_irqs(1 << IRQ_CLK);
pio_write_8(CLK_PORT1, (CLK_CONST / HZ) & 0xf);
pio_write_8(CLK_PORT1, (CLK_CONST / HZ) >> 8);
outb(CLK_PORT1, (CLK_CONST / HZ) & 0xf);
outb(CLK_PORT1, (CLK_CONST / HZ) >> 8);
pic_enable_irqs(1 << IRQ_CLK);
}
 
114,36 → 114,36
* One-shot timer. Count-down from 0xffff at 1193180Hz
* MAGIC_NUMBER is the magic value for 1ms.
*/
pio_write_8(CLK_PORT4, 0x30);
pio_write_8(CLK_PORT1, 0xff);
pio_write_8(CLK_PORT1, 0xff);
outb(CLK_PORT4, 0x30);
outb(CLK_PORT1, 0xff);
outb(CLK_PORT1, 0xff);
 
do {
/* will read both status and count */
pio_write_8(CLK_PORT4, 0xc2);
not_ok = (uint8_t) ((pio_read_8(CLK_PORT1) >> 6) & 1);
t1 = pio_read_8(CLK_PORT1);
t1 |= pio_read_8(CLK_PORT1) << 8;
outb(CLK_PORT4, 0xc2);
not_ok = (uint8_t) ((inb(CLK_PORT1) >> 6) & 1);
t1 = inb(CLK_PORT1);
t1 |= inb(CLK_PORT1) << 8;
} while (not_ok);
 
asm_delay_loop(LOOPS);
 
pio_write_8(CLK_PORT4, 0xd2);
t2 = pio_read_8(CLK_PORT1);
t2 |= pio_read_8(CLK_PORT1) << 8;
outb(CLK_PORT4, 0xd2);
t2 = inb(CLK_PORT1);
t2 |= inb(CLK_PORT1) << 8;
 
/*
* We want to determine the overhead of the calibrating mechanism.
*/
pio_write_8(CLK_PORT4, 0xd2);
o1 = pio_read_8(CLK_PORT1);
o1 |= pio_read_8(CLK_PORT1) << 8;
outb(CLK_PORT4, 0xd2);
o1 = inb(CLK_PORT1);
o1 |= inb(CLK_PORT1) << 8;
 
asm_fake_loop(LOOPS);
 
pio_write_8(CLK_PORT4, 0xd2);
o2 = pio_read_8(CLK_PORT1);
o2 |= pio_read_8(CLK_PORT1) << 8;
outb(CLK_PORT4, 0xd2);
o2 = inb(CLK_PORT1);
o2 |= inb(CLK_PORT1) << 8;
 
CPU->delay_loop_const =
((MAGIC_NUMBER * LOOPS) / 1000) / ((t1 - t2) - (o1 - o2)) +
/branches/arm/kernel/arch/ia32/src/drivers/vesa.c
56,20 → 56,12
uint16_t vesa_bpp;
uint16_t vesa_scanline;
 
uint8_t vesa_red_mask;
uint8_t vesa_red_pos;
 
uint8_t vesa_green_mask;
uint8_t vesa_green_pos;
 
uint8_t vesa_blue_mask;
uint8_t vesa_blue_pos;
 
int vesa_present(void)
{
if ((vesa_width != 0xffff) && (vesa_height != 0xffff))
if (vesa_width != 0xffff)
return true;
if (vesa_height != 0xffff)
return true;
return false;
}
 
82,12 → 74,7
visual = VISUAL_INDIRECT_8;
break;
case 16:
if ((vesa_red_mask == 5) && (vesa_red_pos == 10)
&& (vesa_green_mask == 5) && (vesa_green_pos == 5)
&& (vesa_blue_mask == 5) && (vesa_blue_pos == 0))
visual = VISUAL_RGB_5_5_5;
else
visual = VISUAL_RGB_5_6_5;
visual = VISUAL_RGB_5_6_5;
break;
case 24:
visual = VISUAL_RGB_8_8_8;
96,25 → 83,12
visual = VISUAL_RGB_0_8_8_8;
break;
default:
panic("Unsupported bits per pixel.");
panic("Unsupported bits per pixel");
}
fb_properties_t vesa_props = {
.addr = vesa_ph_addr,
.offset = 0,
.x = vesa_width,
.y = vesa_height,
.scan = vesa_scanline,
.visual = visual,
};
fb_init(&vesa_props);
fb_init(vesa_ph_addr, vesa_width, vesa_height, vesa_scanline, visual);
}
 
void vesa_redraw(void)
{
fb_redraw();
}
 
#endif
 
/** @}
/branches/arm/kernel/arch/ia32/src/userspace.c
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32
/** @addtogroup ia32
* @{
*/
/** @file
47,8 → 47,10
*/
void userspace(uspace_arg_t *kernel_uarg)
{
ipl_t ipl = interrupts_disable();
ipl_t ipl;
 
ipl = interrupts_disable();
 
asm volatile (
/*
* Clear nested task flag.
58,33 → 60,35
"and $0xffffbfff, %%eax\n"
"push %%eax\n"
"popfl\n"
 
/* Set up GS register (TLS) */
"movl %[tls_des], %%gs\n"
"pushl %[udata_des]\n"
"pushl %[stack_size]\n"
"pushl %[ipl]\n"
"pushl %[utext_des]\n"
"pushl %[entry]\n"
"movl %[uarg], %%eax\n"
"movl %6, %%gs\n"
 
"pushl %0\n"
"pushl %1\n"
"pushl %2\n"
"pushl %3\n"
"pushl %4\n"
"movl %5, %%eax\n"
 
/* %ebx is defined to hold pcb_ptr - set it to 0 */
"xorl %%ebx, %%ebx\n"
"xorl %%ebx, %%ebx\n"
 
"iret\n"
:
: [udata_des] "i" (gdtselector(UDATA_DES) | PL_USER),
[stack_size] "r" ((uint8_t *) kernel_uarg->uspace_stack + THREAD_STACK_SIZE),
[ipl] "r" (ipl),
[utext_des] "i" (gdtselector(UTEXT_DES) | PL_USER),
[entry] "r" (kernel_uarg->uspace_entry),
[uarg] "r" (kernel_uarg->uspace_uarg),
[tls_des] "r" (gdtselector(TLS_DES))
:
: "i" (selector(UDATA_DES) | PL_USER),
"r" ((uint8_t *) kernel_uarg->uspace_stack +
THREAD_STACK_SIZE),
"r" (ipl),
"i" (selector(UTEXT_DES) | PL_USER),
"r" (kernel_uarg->uspace_entry),
"r" (kernel_uarg->uspace_uarg),
"r" (selector(TLS_DES))
: "eax");
/* Unreachable */
while (1);
for(;;)
;
}
 
/** @}
/branches/arm/kernel/arch/ia32/src/smp/smp.c
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32
/** @addtogroup ia32
* @{
*/
/** @file
75,12 → 75,12
l_apic_address = (uintptr_t) frame_alloc(ONE_FRAME,
FRAME_ATOMIC | FRAME_KA);
if (!l_apic_address)
panic("Cannot allocate address for l_apic.");
panic("cannot allocate address for l_apic\n");
 
io_apic_address = (uintptr_t) frame_alloc(ONE_FRAME,
FRAME_ATOMIC | FRAME_KA);
if (!io_apic_address)
panic("Cannot allocate address for io_apic.");
panic("cannot allocate address for io_apic\n");
 
if (config.cpu_count > 1) {
page_mapping_insert(AS_KERNEL, l_apic_address,
122,8 → 122,8
* Save 0xa to address 0xf of the CMOS RAM.
* BIOS will not do the POST after the INIT signal.
*/
pio_write_8((ioport8_t *)0x70, 0xf);
pio_write_8((ioport8_t *)0x71, 0xa);
outb(0x70, 0xf);
outb(0x71, 0xa);
 
pic_disable_irqs(0xffff);
apic_init();
131,8 → 131,8
uint8_t apic = l_apic_id();
 
for (i = 0; i < ops->cpu_count(); i++) {
descriptor_t *gdt_new;
struct descriptor *gdt_new;
/*
* Skip processors marked unusable.
*/
154,19 → 154,14
/*
* Prepare new GDT for CPU in question.
*/
/* XXX Flag FRAME_LOW_4_GiB was removed temporarily,
* it needs to be replaced by a generic fuctionality of
* the memory subsystem
*/
gdt_new = (descriptor_t *) malloc(GDT_ITEMS *
sizeof(descriptor_t), FRAME_ATOMIC);
gdt_new = (struct descriptor *) malloc(GDT_ITEMS *
sizeof(struct descriptor), FRAME_ATOMIC | FRAME_LOW_4_GiB);
if (!gdt_new)
panic("Cannot allocate memory for GDT.");
panic("couldn't allocate memory for GDT\n");
 
memcpy(gdt_new, gdt, GDT_ITEMS * sizeof(descriptor_t));
memsetb(&gdt_new[TSS_DES], sizeof(descriptor_t), 0);
protected_ap_gdtr.limit = GDT_ITEMS * sizeof(descriptor_t);
memcpy(gdt_new, gdt, GDT_ITEMS * sizeof(struct descriptor));
memsetb(&gdt_new[TSS_DES], sizeof(struct descriptor), 0);
protected_ap_gdtr.limit = GDT_ITEMS * sizeof(struct descriptor);
protected_ap_gdtr.base = KA2PA((uintptr_t) gdt_new);
gdtr.base = (uintptr_t) gdt_new;
 
/branches/arm/kernel/arch/ia32/src/smp/mps.c
86,10 → 86,10
/*
* Implementation of IA-32 SMP configuration interface.
*/
static size_t get_cpu_count(void);
static bool is_cpu_enabled(size_t i);
static bool is_bsp(size_t i);
static uint8_t get_cpu_apic_id(size_t i);
static count_t get_cpu_count(void);
static bool is_cpu_enabled(index_t i);
static bool is_bsp(index_t i);
static uint8_t get_cpu_apic_id(index_t i);
static int mps_irq_to_pin(unsigned int irq);
 
struct smp_config_operations mps_config_operations = {
100,24 → 100,24
.irq_to_pin = mps_irq_to_pin
};
 
size_t get_cpu_count(void)
count_t get_cpu_count(void)
{
return processor_entry_cnt;
}
 
bool is_cpu_enabled(size_t i)
bool is_cpu_enabled(index_t i)
{
ASSERT(i < processor_entry_cnt);
return (bool) ((processor_entries[i].cpu_flags & 0x01) == 0x01);
}
 
bool is_bsp(size_t i)
bool is_bsp(index_t i)
{
ASSERT(i < processor_entry_cnt);
return (bool) ((processor_entries[i].cpu_flags & 0x02) == 0x02);
}
 
uint8_t get_cpu_apic_id(size_t i)
uint8_t get_cpu_apic_id(index_t i)
{
ASSERT(i < processor_entry_cnt);
return processor_entries[i].l_apic_id;
/branches/arm/kernel/arch/ia32/src/smp/apic.c
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32
/** @addtogroup ia32
* @{
*/
/** @file
132,12 → 132,12
#endif
}
 
static irq_ownership_t l_apic_timer_claim(irq_t *irq)
static irq_ownership_t l_apic_timer_claim(void)
{
return IRQ_ACCEPT;
}
 
static void l_apic_timer_irq_handler(irq_t *irq)
static void l_apic_timer_irq_handler(irq_t *irq, void *arg __attribute__((unused)), ...)
{
/*
* Holding a spinlock could prevent clock() from preempting
/branches/arm/kernel/arch/ia32/src/pm.c
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32
/** @addtogroup ia32
* @{
*/
/** @file
112,7 → 112,7
 
void tss_initialize(tss_t *t)
{
memsetb(t, sizeof(tss_t), 0);
memsetb(t, sizeof(struct tss), 0);
}
 
/*
127,7 → 127,7
d = &idt[i];
 
d->unused = 0;
d->selector = gdtselector(KTEXT_DES);
d->selector = selector(KTEXT_DES);
 
d->access = AR_PRESENT | AR_INTERRUPT; /* masking interrupt */
 
154,7 → 154,7
"and $0xffff8fff, %%eax\n"
"push %%eax\n"
"popfl\n"
::: "eax"
: : : "eax"
);
}
 
165,7 → 165,7
"mov %%cr0, %%eax\n"
"and $0xfffbffff, %%eax\n"
"mov %%eax, %%cr0\n"
::: "eax"
: : : "eax"
);
}
 
198,7 → 198,7
else {
tss_p = (tss_t *) malloc(sizeof(tss_t), FRAME_ATOMIC);
if (!tss_p)
panic("Cannot allocate TSS.");
panic("could not allocate TSS\n");
}
 
tss_initialize(tss_p);
214,7 → 214,7
* As of this moment, the current CPU has its own GDT pointing
* to its own TSS. We just need to load the TR register.
*/
tr_load(gdtselector(TSS_DES));
tr_load(selector(TSS_DES));
clean_IOPL_NT_flags(); /* Disable I/O on nonprivileged levels and clear NT flag. */
clean_AM_flag(); /* Disable alignment check */
232,5 → 232,28
gdtr_load(&cpugdtr);
}
 
/* Reboot the machine by initiating
* a triple fault
*/
void arch_reboot(void)
{
preemption_disable();
ipl_t ipl = interrupts_disable();
memsetb(idt, sizeof(idt), 0);
ptr_16_32_t idtr;
idtr.limit = sizeof(idt);
idtr.base = (uintptr_t) idt;
idtr_load(&idtr);
interrupts_restore(ipl);
asm volatile (
"int $0x03\n"
"cli\n"
"hlt\n"
);
}
 
/** @}
*/
/branches/arm/kernel/arch/ia32/src/boot/vesa_prot.inc
File deleted
/branches/arm/kernel/arch/ia32/src/boot/vesa_real.inc
File deleted
/branches/arm/kernel/arch/ia32/src/boot/vesa_ret.inc
File deleted
/branches/arm/kernel/arch/ia32/src/boot/boot.S
31,7 → 31,6
#include <arch/boot/memmap.h>
#include <arch/mm/page.h>
#include <arch/pm.h>
#include <arch/cpuid.h>
 
#define START_STACK (BOOT_OFFSET - BOOT_STACK_SIZE)
 
43,41 → 42,40
multiboot_header:
.long MULTIBOOT_HEADER_MAGIC
.long MULTIBOOT_HEADER_FLAGS
.long -(MULTIBOOT_HEADER_MAGIC + MULTIBOOT_HEADER_FLAGS) # checksum
.long -(MULTIBOOT_HEADER_MAGIC + MULTIBOOT_HEADER_FLAGS) # checksum
.long multiboot_header
.long unmapped_ktext_start
.long 0
.long 0
.long multiboot_image_start
 
multiboot_image_start:
cld
movl $START_STACK, %esp # initialize stack pointer
lgdt KA2PA(bootstrap_gdtr) # initialize Global Descriptor Table register
movw $gdtselector(KDATA_DES), %cx
movl $START_STACK, %esp # initialize stack pointer
lgdt KA2PA(bootstrap_gdtr) # initialize Global Descriptor Table register
 
movw $selector(KDATA_DES), %cx
movw %cx, %es
movw %cx, %fs
movw %cx, %gs
movw %cx, %ds # kernel data + stack
movw %cx, %ds # kernel data + stack
movw %cx, %ss
jmpl $gdtselector(KTEXT_DES), $multiboot_meeting_point
jmpl $selector(KTEXT_DES), $multiboot_meeting_point
multiboot_meeting_point:
movl %eax, grub_eax # save parameters from GRUB
movl %eax, grub_eax # save parameters from GRUB
movl %ebx, grub_ebx
movl $(INTEL_CPUID_LEVEL), %eax
cpuid
cmp $0x0, %eax # any function > 0?
xorl %eax, %eax
cpuid
cmp $0x0, %eax # any function > 0?
jbe pse_unsupported
movl $(INTEL_CPUID_STANDARD), %eax
movl $0x1, %eax # Basic function code 1
cpuid
bt $(INTEL_PSE), %edx
bt $3, %edx # Test if PSE is supported
jc pse_supported
 
pse_unsupported:
movl $pse_msg, %esi
jmp error_halt
84,31 → 82,138
pse_supported:
bt $(INTEL_SEP), %edx
jc sep_supported
#ifdef CONFIG_FB
mov $vesa_init, %esi
mov $VESA_INIT_SEGMENT << 4, %edi
mov $e_vesa_init - vesa_init, %ecx
rep movsb
 
mov $VESA_INIT_SEGMENT << 4, %edi
jmpl *%edi
movl $sep_msg, %esi
jmp error_halt
vesa_meeting_point:
sep_supported:
 
#include "vesa_prot.inc"
 
# map kernel and turn paging on
call map_kernel
mov %esi, KA2PA(vesa_ph_addr)
mov %di, KA2PA(vesa_height)
shr $16, %edi
mov %di, KA2PA(vesa_width)
mov %bx, KA2PA(vesa_scanline)
shr $16, %ebx
mov %bx, KA2PA(vesa_bpp)
#endif
# call arch_pre_main(grub_eax, grub_ebx)
pushl grub_ebx
pushl grub_eax
call arch_pre_main
call map_kernel # map kernel and turn paging on
call main_bsp
movl grub_eax, %eax
movl grub_ebx, %ebx
cmpl $MULTIBOOT_LOADER_MAGIC, %eax # compare GRUB signature
je valid_boot
xorl %ecx, %ecx # no memory map available
movl %ecx, e820counter
jmp invalid_boot
valid_boot:
movl (%ebx), %eax # ebx = physical address of struct multiboot_info
bt $3, %eax # mbi->flags[3] (mods_count, mods_addr valid)
jc mods_valid
xorl %ecx, %ecx
movl %ecx, init
jmp mods_end
mods_valid:
movl 20(%ebx), %ecx # mbi->mods_count
movl %ecx, init
cmpl $0, %ecx
je mods_end
movl 24(%ebx), %esi # mbi->mods_addr
movl $init, %edi
mods_loop:
movl 0(%esi), %edx # mods->mod_start
addl $0x80000000, %edx
movl %edx, 4(%edi)
movl 4(%esi), %edx
subl 0(%esi), %edx # mods->mod_end - mods->mod_start
movl %edx, 8(%edi)
addl $16, %esi
addl $8 , %edi
loop mods_loop
mods_end:
bt $6, %eax # mbi->flags[6] (mmap_length, mmap_addr valid)
jc mmap_valid
xorl %edx, %edx
jmp mmap_invalid
mmap_valid:
movl 44(%ebx), %ecx # mbi->mmap_length
movl 48(%ebx), %esi # mbi->mmap_addr
movl $e820table, %edi
xorl %edx, %edx
mmap_loop:
cmpl $0, %ecx
jle mmap_end
movl 4(%esi), %eax # mmap->base_addr_low
movl %eax, (%edi)
movl 8(%esi), %eax # mmap->base_addr_high
movl %eax, 4(%edi)
movl 12(%esi), %eax # mmap->length_low
movl %eax, 8(%edi)
movl 16(%esi), %eax # mmap->length_high
movl %eax, 12(%edi)
movl 20(%esi), %eax # mmap->type
movl %eax, 16(%edi)
movl (%esi), %eax # mmap->size
addl $0x4, %eax
addl %eax, %esi
subl %eax, %ecx
addl $MEMMAP_E820_RECORD_SIZE, %edi
incl %edx
jmp mmap_loop
mmap_end:
mmap_invalid:
movl %edx, e820counter
invalid_boot:
# not reached
#ifdef CONFIG_SMP
# copy AP bootstrap routines below 1 MB
movl $BOOT_OFFSET, %esi
movl $AP_BOOT_OFFSET, %edi
movl $_hardcoded_unmapped_size, %ecx
rep movsb
#endif
 
call main_bsp # never returns
 
cli
hlt0:
hlt
jmp hlt0
hlt
 
.global map_kernel
map_kernel:
117,8 → 222,8
# For simplicity, we map the entire 4G space.
#
movl %cr4, %ecx
orl $(1 << 4), %ecx # turn PSE on
andl $(~(1 << 5)), %ecx # turn PAE off
orl $(1 << 4), %ecx # turn PSE on
andl $(~(1 << 5)), %ecx # turn PAE off
movl %ecx, %cr4
movl $(page_directory + 0), %esi
125,31 → 230,30
movl $(page_directory + 2048), %edi
xorl %ecx, %ecx
xorl %ebx, %ebx
floop:
movl $((1 << 7) | (1 << 1) | (1 << 0)), %eax
orl %ebx, %eax
movl %eax, (%esi, %ecx, 4) # mapping 0x00000000 + %ecx * 4M => 0x00000000 + %ecx * 4M
movl %eax, (%edi, %ecx, 4) # mapping 0x80000000 + %ecx * 4M => 0x00000000 + %ecx * 4M
addl $(4 * 1024 * 1024), %ebx
incl %ecx
cmpl $512, %ecx
jl floop
0:
movl $((1 << 7) | (1 << 1) | (1 << 0)), %eax
orl %ebx, %eax
movl %eax, (%esi, %ecx, 4) # mapping 0x00000000 + %ecx * 4M => 0x00000000 + %ecx * 4M
movl %eax, (%edi, %ecx, 4) # mapping 0x80000000 + %ecx * 4M => 0x00000000 + %ecx * 4M
addl $(4 * 1024 * 1024), %ebx
 
incl %ecx
cmpl $512, %ecx
jl 0b
 
movl %esi, %cr3
movl %cr0, %ebx
orl $(1 << 31), %ebx # turn paging on
orl $(1 << 31), %ebx # turn paging on
movl %ebx, %cr0
ret
 
# Print string from %esi to EGA display (in red) and halt
error_halt:
movl $0xb8000, %edi # base of EGA text mode memory
movl $0xb8000, %edi # base of EGA text mode memory
xorl %eax, %eax
movw $0x3d4, %dx # read bits 8 - 15 of the cursor address
movw $0x3d4, %dx # read bits 8 - 15 of the cursor address
movb $0xe, %al
outb %al, %dx
157,7 → 261,7
inb %dx, %al
shl $8, %ax
movw $0x3d4, %dx # read bits 0 - 7 of the cursor address
movw $0x3d4, %dx # read bits 0 - 7 of the cursor address
movb $0xf, %al
outb %al, %dx
166,9 → 270,7
cmp $1920, %ax
jbe cursor_ok
movw $1920, %ax # sanity check for the cursor on the last line
movw $1920, %ax # sanity check for the cursor on the last line
cursor_ok:
movw %ax, %bx
175,7 → 277,7
shl $1, %eax
addl %eax, %edi
movw $0x0c00, %ax # black background, light red foreground
movw $0x0c00, %ax # black background, light red foreground
ploop:
lodsb
182,11 → 284,11
cmp $0, %al
je ploop_end
stosw
inc %bx
inc %bx
jmp ploop
ploop_end:
movw $0x3d4, %dx # write bits 8 - 15 of the cursor address
movw $0x3d4, %dx # write bits 8 - 15 of the cursor address
movb $0xe, %al
outb %al, %dx
194,7 → 296,7
movb %bh, %al
outb %al, %dx
movw $0x3d4, %dx # write bits 0 - 7 of the cursor address
movw $0x3d4, %dx # write bits 0 - 7 of the cursor address
movb $0xf, %al
outb %al, %dx
201,14 → 303,240
movw $0x3d5, %dx
movb %bl, %al
outb %al, %dx
cli
hlt1:
hlt
jmp hlt1
hlt
 
#include "vesa_real.inc"
#ifdef CONFIG_FB
vesa_init:
jmp $selector(VESA_INIT_DES), $vesa_init_real - vesa_init
.code16
vesa_init_real:
mov %cr0, %eax
and $~1, %eax
mov %eax, %cr0
jmp $VESA_INIT_SEGMENT, $vesa_init_real2 - vesa_init
vesa_init_real2:
mov $VESA_INIT_SEGMENT, %bx
mov %bx, %es
mov %bx, %fs
mov %bx, %gs
mov %bx, %ds
mov %bx, %ss
movl %esp, %eax
movl $0x0000fffc, %esp
movl $0x0000fffc, %ebp
pushl %eax
#define VESA_INFO_SIZE 1024
 
#define VESA_MODE_ATTRIBUTES_OFFSET 0
#define VESA_MODE_LIST_PTR_OFFSET 14
#define VESA_MODE_SCANLINE_OFFSET 16
#define VESA_MODE_WIDTH_OFFSET 18
#define VESA_MODE_HEIGHT_OFFSET 20
#define VESA_MODE_BPP_OFFSET 25
#define VESA_MODE_PHADDR_OFFSET 40
 
#define VESA_END_OF_MODES 0xffff
 
#define VESA_OK 0x4f
 
#define VESA_GET_INFO 0x4f00
#define VESA_GET_MODE_INFO 0x4f01
#define VESA_SET_MODE 0x4f02
#define VESA_SET_PALETTE 0x4f09
 
#if CONFIG_VESA_BPP == 24
#define CONFIG_VESA_BPP_VARIANT 32
#endif
 
mov $VESA_GET_INFO, %ax
mov $e_vesa_init - vesa_init, %di
push %di
int $0x10
pop %di
cmp $VESA_OK, %al
jnz 0f
mov 2 + VESA_MODE_LIST_PTR_OFFSET(%di), %si
mov %si, %gs
mov VESA_MODE_LIST_PTR_OFFSET(%di), %si
add $VESA_INFO_SIZE, %di
 
1:# Try next mode
mov %gs:(%si), %cx
cmp $VESA_END_OF_MODES, %cx
jz 0f
inc %si
inc %si
push %cx
push %di
push %si
mov $VESA_GET_MODE_INFO, %ax
int $0x10
pop %si
pop %di
pop %cx
cmp $VESA_OK, %al
jnz 0f
mov $CONFIG_VESA_WIDTH, %ax
cmp VESA_MODE_WIDTH_OFFSET(%di), %ax
jnz 1b
mov $CONFIG_VESA_HEIGHT, %ax
cmp VESA_MODE_HEIGHT_OFFSET(%di), %ax
jnz 1b
mov $CONFIG_VESA_BPP, %al
cmp VESA_MODE_BPP_OFFSET(%di), %al
 
#ifdef CONFIG_VESA_BPP_VARIANT
jz 2f
mov $CONFIG_VESA_BPP_VARIANT, %al
cmp VESA_MODE_BPP_OFFSET(%di), %al
#endif
jnz 1b
 
2:
mov %cx, %bx
or $0xc000, %bx
push %di
mov $VESA_SET_MODE, %ax
int $0x10
pop %di
cmp $VESA_OK, %al
jnz 0f
 
#if CONFIG_VESA_BPP == 8
# Set 3:2:3 VGA palette
mov VESA_MODE_ATTRIBUTES_OFFSET(%di), %ax
push %di
mov $vga323 - vesa_init, %di
mov $0x100, %ecx
bt $5, %ax # Test if VGA compatible registers are present
jnc vga_compat
# Try VESA routine to set palette
mov $VESA_SET_PALETTE, %ax
xor %bl, %bl
xor %dx, %dx
int $0x10
jmp vga_not_compat
vga_compat:
# Try VGA registers to set palette
movw $0x3c6, %dx # Set palette mask
movb $0xff, %al
outb %al, %dx
movw $0x3c8, %dx # First index to set
xor %al, %al
outb %al, %dx
movw $0x3c9, %dx # Data port
vga_loop:
movb %es:2(%di), %al
outb %al, %dx
movb %es:1(%di), %al
outb %al, %dx
movb %es:(%di), %al
outb %al, %dx
addw $4, %di
loop vga_loop
vga_not_compat:
pop %di
#endif
mov VESA_MODE_PHADDR_OFFSET(%di), %esi
mov VESA_MODE_WIDTH_OFFSET(%di), %ax
shl $16, %eax
mov VESA_MODE_HEIGHT_OFFSET(%di), %ax
mov VESA_MODE_BPP_OFFSET(%di), %bl
xor %bh, %bh
shl $16, %ebx
mov VESA_MODE_SCANLINE_OFFSET(%di), %bx
mov %eax, %edi
8:
mov %cr0, %eax
or $1, %eax
mov %eax, %cr0
jmp 9f
9:
ljmpl $selector(KTEXT_DES), $(vesa_init_protect - vesa_init + VESA_INIT_SEGMENT << 4)
 
0:# No prefered mode found
mov $0x111, %cx
push %di
push %cx
mov $VESA_GET_MODE_INFO, %ax
int $0x10
pop %cx
pop %di
cmp $VESA_OK, %al
jnz 1f
jz 2b # Force relative jump
1:
mov $0x0003, %ax
int $0x10
mov $0xffffffff, %edi # EGA text mode used, because of problems with VESA
xor %ax, %ax
jz 8b # Force relative jump
 
vga323:
#include "vga323.pal"
 
.code32
vesa_init_protect:
movw $selector(KDATA_DES), %cx
movw %cx, %es
movw %cx, %fs
movw %cx, %gs
movw %cx, %ds # kernel data + stack
movw %cx, %ss
movl $START_STACK, %esp # initialize stack pointer
 
jmpl $selector(KTEXT_DES), $vesa_meeting_point
 
.align 4
e_vesa_init:
#endif
 
.section K_DATA_START, "aw", @progbits
 
.align 4096
223,6 → 551,3
 
pse_msg:
.asciz "Page Size Extension not supported. System halted."
 
sep_msg:
.asciz "SYSENTER/SYSEXIT not supported. System halted."
/branches/arm/kernel/arch/ia32/src/boot/vga323.pal
1,256 → 1,256
.byte 0x00, 0x00, 0x00, 0x00
.byte 0x09, 0x00, 0x00, 0x00
.byte 0x12, 0x00, 0x00, 0x00
.byte 0x1b, 0x00, 0x00, 0x00
.byte 0x24, 0x00, 0x00, 0x00
.byte 0x2d, 0x00, 0x00, 0x00
.byte 0x36, 0x00, 0x00, 0x00
.byte 0x3f, 0x00, 0x00, 0x00
.byte 0x00, 0x15, 0x00, 0x00
.byte 0x09, 0x15, 0x00, 0x00
.byte 0x12, 0x15, 0x00, 0x00
.byte 0x1b, 0x15, 0x00, 0x00
.byte 0x24, 0x15, 0x00, 0x00
.byte 0x2d, 0x15, 0x00, 0x00
.byte 0x36, 0x15, 0x00, 0x00
.byte 0x3f, 0x15, 0x00, 0x00
.byte 0x00, 0x2a, 0x00, 0x00
.byte 0x09, 0x2a, 0x00, 0x00
.byte 0x12, 0x2a, 0x00, 0x00
.byte 0x1b, 0x2a, 0x00, 0x00
.byte 0x24, 0x2a, 0x00, 0x00
.byte 0x2d, 0x2a, 0x00, 0x00
.byte 0x36, 0x2a, 0x00, 0x00
.byte 0x3f, 0x2a, 0x00, 0x00
.byte 0x00, 0x3f, 0x00, 0x00
.byte 0x09, 0x3f, 0x00, 0x00
.byte 0x12, 0x3f, 0x00, 0x00
.byte 0x1b, 0x3f, 0x00, 0x00
.byte 0x24, 0x3f, 0x00, 0x00
.byte 0x2d, 0x3f, 0x00, 0x00
.byte 0x36, 0x3f, 0x00, 0x00
.byte 0x3f, 0x3f, 0x00, 0x00
.byte 0x00, 0x00, 0x09, 0x00
.byte 0x09, 0x00, 0x09, 0x00
.byte 0x12, 0x00, 0x09, 0x00
.byte 0x1b, 0x00, 0x09, 0x00
.byte 0x24, 0x00, 0x09, 0x00
.byte 0x2d, 0x00, 0x09, 0x00
.byte 0x36, 0x00, 0x09, 0x00
.byte 0x3f, 0x00, 0x09, 0x00
.byte 0x00, 0x15, 0x09, 0x00
.byte 0x09, 0x15, 0x09, 0x00
.byte 0x12, 0x15, 0x09, 0x00
.byte 0x1b, 0x15, 0x09, 0x00
.byte 0x24, 0x15, 0x09, 0x00
.byte 0x2d, 0x15, 0x09, 0x00
.byte 0x36, 0x15, 0x09, 0x00
.byte 0x3f, 0x15, 0x09, 0x00
.byte 0x00, 0x2a, 0x09, 0x00
.byte 0x09, 0x2a, 0x09, 0x00
.byte 0x12, 0x2a, 0x09, 0x00
.byte 0x1b, 0x2a, 0x09, 0x00
.byte 0x24, 0x2a, 0x09, 0x00
.byte 0x2d, 0x2a, 0x09, 0x00
.byte 0x36, 0x2a, 0x09, 0x00
.byte 0x3f, 0x2a, 0x09, 0x00
.byte 0x00, 0x3f, 0x09, 0x00
.byte 0x09, 0x3f, 0x09, 0x00
.byte 0x12, 0x3f, 0x09, 0x00
.byte 0x1b, 0x3f, 0x09, 0x00
.byte 0x24, 0x3f, 0x09, 0x00
.byte 0x2d, 0x3f, 0x09, 0x00
.byte 0x36, 0x3f, 0x09, 0x00
.byte 0x3f, 0x3f, 0x09, 0x00
.byte 0x00, 0x00, 0x12, 0x00
.byte 0x09, 0x00, 0x12, 0x00
.byte 0x12, 0x00, 0x12, 0x00
.byte 0x1b, 0x00, 0x12, 0x00
.byte 0x24, 0x00, 0x12, 0x00
.byte 0x2d, 0x00, 0x12, 0x00
.byte 0x36, 0x00, 0x12, 0x00
.byte 0x3f, 0x00, 0x12, 0x00
.byte 0x00, 0x15, 0x12, 0x00
.byte 0x09, 0x15, 0x12, 0x00
.byte 0x12, 0x15, 0x12, 0x00
.byte 0x1b, 0x15, 0x12, 0x00
.byte 0x24, 0x15, 0x12, 0x00
.byte 0x2d, 0x15, 0x12, 0x00
.byte 0x36, 0x15, 0x12, 0x00
.byte 0x3f, 0x15, 0x12, 0x00
.byte 0x00, 0x2a, 0x12, 0x00
.byte 0x09, 0x2a, 0x12, 0x00
.byte 0x12, 0x2a, 0x12, 0x00
.byte 0x1b, 0x2a, 0x12, 0x00
.byte 0x24, 0x2a, 0x12, 0x00
.byte 0x2d, 0x2a, 0x12, 0x00
.byte 0x36, 0x2a, 0x12, 0x00
.byte 0x3f, 0x2a, 0x12, 0x00
.byte 0x00, 0x3f, 0x12, 0x00
.byte 0x09, 0x3f, 0x12, 0x00
.byte 0x12, 0x3f, 0x12, 0x00
.byte 0x1b, 0x3f, 0x12, 0x00
.byte 0x24, 0x3f, 0x12, 0x00
.byte 0x2d, 0x3f, 0x12, 0x00
.byte 0x36, 0x3f, 0x12, 0x00
.byte 0x3f, 0x3f, 0x12, 0x00
.byte 0x00, 0x00, 0x1b, 0x00
.byte 0x09, 0x00, 0x1b, 0x00
.byte 0x12, 0x00, 0x1b, 0x00
.byte 0x1b, 0x00, 0x1b, 0x00
.byte 0x24, 0x00, 0x1b, 0x00
.byte 0x2d, 0x00, 0x1b, 0x00
.byte 0x36, 0x00, 0x1b, 0x00
.byte 0x3f, 0x00, 0x1b, 0x00
.byte 0x00, 0x15, 0x1b, 0x00
.byte 0x09, 0x15, 0x1b, 0x00
.byte 0x12, 0x15, 0x1b, 0x00
.byte 0x1b, 0x15, 0x1b, 0x00
.byte 0x24, 0x15, 0x1b, 0x00
.byte 0x2d, 0x15, 0x1b, 0x00
.byte 0x36, 0x15, 0x1b, 0x00
.byte 0x3f, 0x15, 0x1b, 0x00
.byte 0x00, 0x2a, 0x1b, 0x00
.byte 0x09, 0x2a, 0x1b, 0x00
.byte 0x12, 0x2a, 0x1b, 0x00
.byte 0x1b, 0x2a, 0x1b, 0x00
.byte 0x24, 0x2a, 0x1b, 0x00
.byte 0x2d, 0x2a, 0x1b, 0x00
.byte 0x36, 0x2a, 0x1b, 0x00
.byte 0x3f, 0x2a, 0x1b, 0x00
.byte 0x00, 0x3f, 0x1b, 0x00
.byte 0x09, 0x3f, 0x1b, 0x00
.byte 0x12, 0x3f, 0x1b, 0x00
.byte 0x1b, 0x3f, 0x1b, 0x00
.byte 0x24, 0x3f, 0x1b, 0x00
.byte 0x2d, 0x3f, 0x1b, 0x00
.byte 0x36, 0x3f, 0x1b, 0x00
.byte 0x3f, 0x3f, 0x1b, 0x00
.byte 0x00, 0x00, 0x24, 0x00
.byte 0x09, 0x00, 0x24, 0x00
.byte 0x12, 0x00, 0x24, 0x00
.byte 0x1b, 0x00, 0x24, 0x00
.byte 0x24, 0x00, 0x24, 0x00
.byte 0x2d, 0x00, 0x24, 0x00
.byte 0x36, 0x00, 0x24, 0x00
.byte 0x3f, 0x00, 0x24, 0x00
.byte 0x00, 0x15, 0x24, 0x00
.byte 0x09, 0x15, 0x24, 0x00
.byte 0x12, 0x15, 0x24, 0x00
.byte 0x1b, 0x15, 0x24, 0x00
.byte 0x24, 0x15, 0x24, 0x00
.byte 0x2d, 0x15, 0x24, 0x00
.byte 0x36, 0x15, 0x24, 0x00
.byte 0x3f, 0x15, 0x24, 0x00
.byte 0x00, 0x2a, 0x24, 0x00
.byte 0x09, 0x2a, 0x24, 0x00
.byte 0x12, 0x2a, 0x24, 0x00
.byte 0x1b, 0x2a, 0x24, 0x00
.byte 0x24, 0x2a, 0x24, 0x00
.byte 0x2d, 0x2a, 0x24, 0x00
.byte 0x36, 0x2a, 0x24, 0x00
.byte 0x3f, 0x2a, 0x24, 0x00
.byte 0x00, 0x3f, 0x24, 0x00
.byte 0x09, 0x3f, 0x24, 0x00
.byte 0x12, 0x3f, 0x24, 0x00
.byte 0x1b, 0x3f, 0x24, 0x00
.byte 0x24, 0x3f, 0x24, 0x00
.byte 0x2d, 0x3f, 0x24, 0x00
.byte 0x36, 0x3f, 0x24, 0x00
.byte 0x3f, 0x3f, 0x24, 0x00
.byte 0x00, 0x00, 0x2d, 0x00
.byte 0x09, 0x00, 0x2d, 0x00
.byte 0x12, 0x00, 0x2d, 0x00
.byte 0x1b, 0x00, 0x2d, 0x00
.byte 0x24, 0x00, 0x2d, 0x00
.byte 0x2d, 0x00, 0x2d, 0x00
.byte 0x36, 0x00, 0x2d, 0x00
.byte 0x3f, 0x00, 0x2d, 0x00
.byte 0x00, 0x15, 0x2d, 0x00
.byte 0x09, 0x15, 0x2d, 0x00
.byte 0x12, 0x15, 0x2d, 0x00
.byte 0x1b, 0x15, 0x2d, 0x00
.byte 0x24, 0x15, 0x2d, 0x00
.byte 0x2d, 0x15, 0x2d, 0x00
.byte 0x36, 0x15, 0x2d, 0x00
.byte 0x3f, 0x15, 0x2d, 0x00
.byte 0x00, 0x2a, 0x2d, 0x00
.byte 0x09, 0x2a, 0x2d, 0x00
.byte 0x12, 0x2a, 0x2d, 0x00
.byte 0x1b, 0x2a, 0x2d, 0x00
.byte 0x24, 0x2a, 0x2d, 0x00
.byte 0x2d, 0x2a, 0x2d, 0x00
.byte 0x36, 0x2a, 0x2d, 0x00
.byte 0x3f, 0x2a, 0x2d, 0x00
.byte 0x00, 0x3f, 0x2d, 0x00
.byte 0x09, 0x3f, 0x2d, 0x00
.byte 0x12, 0x3f, 0x2d, 0x00
.byte 0x1b, 0x3f, 0x2d, 0x00
.byte 0x24, 0x3f, 0x2d, 0x00
.byte 0x2d, 0x3f, 0x2d, 0x00
.byte 0x36, 0x3f, 0x2d, 0x00
.byte 0x3f, 0x3f, 0x2d, 0x00
.byte 0x00, 0x00, 0x36, 0x00
.byte 0x09, 0x00, 0x36, 0x00
.byte 0x12, 0x00, 0x36, 0x00
.byte 0x1b, 0x00, 0x36, 0x00
.byte 0x24, 0x00, 0x36, 0x00
.byte 0x2d, 0x00, 0x36, 0x00
.byte 0x36, 0x00, 0x36, 0x00
.byte 0x3f, 0x00, 0x36, 0x00
.byte 0x00, 0x15, 0x36, 0x00
.byte 0x09, 0x15, 0x36, 0x00
.byte 0x12, 0x15, 0x36, 0x00
.byte 0x1b, 0x15, 0x36, 0x00
.byte 0x24, 0x15, 0x36, 0x00
.byte 0x2d, 0x15, 0x36, 0x00
.byte 0x36, 0x15, 0x36, 0x00
.byte 0x3f, 0x15, 0x36, 0x00
.byte 0x00, 0x2a, 0x36, 0x00
.byte 0x09, 0x2a, 0x36, 0x00
.byte 0x12, 0x2a, 0x36, 0x00
.byte 0x1b, 0x2a, 0x36, 0x00
.byte 0x24, 0x2a, 0x36, 0x00
.byte 0x2d, 0x2a, 0x36, 0x00
.byte 0x36, 0x2a, 0x36, 0x00
.byte 0x3f, 0x2a, 0x36, 0x00
.byte 0x00, 0x3f, 0x36, 0x00
.byte 0x09, 0x3f, 0x36, 0x00
.byte 0x12, 0x3f, 0x36, 0x00
.byte 0x1b, 0x3f, 0x36, 0x00
.byte 0x24, 0x3f, 0x36, 0x00
.byte 0x2d, 0x3f, 0x36, 0x00
.byte 0x36, 0x3f, 0x36, 0x00
.byte 0x3f, 0x3f, 0x36, 0x00
.byte 0x00, 0x00, 0x3f, 0x00
.byte 0x09, 0x00, 0x3f, 0x00
.byte 0x12, 0x00, 0x3f, 0x00
.byte 0x1b, 0x00, 0x3f, 0x00
.byte 0x24, 0x00, 0x3f, 0x00
.byte 0x2d, 0x00, 0x3f, 0x00
.byte 0x36, 0x00, 0x3f, 0x00
.byte 0x3f, 0x00, 0x3f, 0x00
.byte 0x00, 0x15, 0x3f, 0x00
.byte 0x09, 0x15, 0x3f, 0x00
.byte 0x12, 0x15, 0x3f, 0x00
.byte 0x1b, 0x15, 0x3f, 0x00
.byte 0x24, 0x15, 0x3f, 0x00
.byte 0x2d, 0x15, 0x3f, 0x00
.byte 0x36, 0x15, 0x3f, 0x00
.byte 0x3f, 0x15, 0x3f, 0x00
.byte 0x00, 0x2a, 0x3f, 0x00
.byte 0x09, 0x2a, 0x3f, 0x00
.byte 0x12, 0x2a, 0x3f, 0x00
.byte 0x1b, 0x2a, 0x3f, 0x00
.byte 0x24, 0x2a, 0x3f, 0x00
.byte 0x2d, 0x2a, 0x3f, 0x00
.byte 0x36, 0x2a, 0x3f, 0x00
.byte 0x3f, 0x2a, 0x3f, 0x00
.byte 0x00, 0x3f, 0x3f, 0x00
.byte 0x09, 0x3f, 0x3f, 0x00
.byte 0x12, 0x3f, 0x3f, 0x00
.byte 0x1b, 0x3f, 0x3f, 0x00
.byte 0x24, 0x3f, 0x3f, 0x00
.byte 0x2d, 0x3f, 0x3f, 0x00
.byte 0x36, 0x3f, 0x3f, 0x00
.byte 0x3f, 0x3f, 0x3f, 0x00
.byte 0x36, 0x3f, 0x3f, 0x00
.byte 0x2d, 0x3f, 0x3f, 0x00
.byte 0x24, 0x3f, 0x3f, 0x00
.byte 0x1b, 0x3f, 0x3f, 0x00
.byte 0x12, 0x3f, 0x3f, 0x00
.byte 0x09, 0x3f, 0x3f, 0x00
.byte 0x00, 0x3f, 0x3f, 0x00
.byte 0x3f, 0x2a, 0x3f, 0x00
.byte 0x36, 0x2a, 0x3f, 0x00
.byte 0x2d, 0x2a, 0x3f, 0x00
.byte 0x24, 0x2a, 0x3f, 0x00
.byte 0x1b, 0x2a, 0x3f, 0x00
.byte 0x12, 0x2a, 0x3f, 0x00
.byte 0x09, 0x2a, 0x3f, 0x00
.byte 0x00, 0x2a, 0x3f, 0x00
.byte 0x3f, 0x15, 0x3f, 0x00
.byte 0x36, 0x15, 0x3f, 0x00
.byte 0x2d, 0x15, 0x3f, 0x00
.byte 0x24, 0x15, 0x3f, 0x00
.byte 0x1b, 0x15, 0x3f, 0x00
.byte 0x12, 0x15, 0x3f, 0x00
.byte 0x09, 0x15, 0x3f, 0x00
.byte 0x00, 0x15, 0x3f, 0x00
.byte 0x3f, 0x00, 0x3f, 0x00
.byte 0x36, 0x00, 0x3f, 0x00
.byte 0x2d, 0x00, 0x3f, 0x00
.byte 0x24, 0x00, 0x3f, 0x00
.byte 0x1b, 0x00, 0x3f, 0x00
.byte 0x12, 0x00, 0x3f, 0x00
.byte 0x09, 0x00, 0x3f, 0x00
.byte 0x00, 0x00, 0x3f, 0x00
.byte 0x3f, 0x3f, 0x36, 0x00
.byte 0x36, 0x3f, 0x36, 0x00
.byte 0x2d, 0x3f, 0x36, 0x00
.byte 0x24, 0x3f, 0x36, 0x00
.byte 0x1b, 0x3f, 0x36, 0x00
.byte 0x12, 0x3f, 0x36, 0x00
.byte 0x09, 0x3f, 0x36, 0x00
.byte 0x00, 0x3f, 0x36, 0x00
.byte 0x3f, 0x2a, 0x36, 0x00
.byte 0x36, 0x2a, 0x36, 0x00
.byte 0x2d, 0x2a, 0x36, 0x00
.byte 0x24, 0x2a, 0x36, 0x00
.byte 0x1b, 0x2a, 0x36, 0x00
.byte 0x12, 0x2a, 0x36, 0x00
.byte 0x09, 0x2a, 0x36, 0x00
.byte 0x00, 0x2a, 0x36, 0x00
.byte 0x3f, 0x15, 0x36, 0x00
.byte 0x36, 0x15, 0x36, 0x00
.byte 0x2d, 0x15, 0x36, 0x00
.byte 0x24, 0x15, 0x36, 0x00
.byte 0x1b, 0x15, 0x36, 0x00
.byte 0x12, 0x15, 0x36, 0x00
.byte 0x09, 0x15, 0x36, 0x00
.byte 0x00, 0x15, 0x36, 0x00
.byte 0x3f, 0x00, 0x36, 0x00
.byte 0x36, 0x00, 0x36, 0x00
.byte 0x2d, 0x00, 0x36, 0x00
.byte 0x24, 0x00, 0x36, 0x00
.byte 0x1b, 0x00, 0x36, 0x00
.byte 0x12, 0x00, 0x36, 0x00
.byte 0x09, 0x00, 0x36, 0x00
.byte 0x00, 0x00, 0x36, 0x00
.byte 0x3f, 0x3f, 0x2d, 0x00
.byte 0x36, 0x3f, 0x2d, 0x00
.byte 0x2d, 0x3f, 0x2d, 0x00
.byte 0x24, 0x3f, 0x2d, 0x00
.byte 0x1b, 0x3f, 0x2d, 0x00
.byte 0x12, 0x3f, 0x2d, 0x00
.byte 0x09, 0x3f, 0x2d, 0x00
.byte 0x00, 0x3f, 0x2d, 0x00
.byte 0x3f, 0x2a, 0x2d, 0x00
.byte 0x36, 0x2a, 0x2d, 0x00
.byte 0x2d, 0x2a, 0x2d, 0x00
.byte 0x24, 0x2a, 0x2d, 0x00
.byte 0x1b, 0x2a, 0x2d, 0x00
.byte 0x12, 0x2a, 0x2d, 0x00
.byte 0x09, 0x2a, 0x2d, 0x00
.byte 0x00, 0x2a, 0x2d, 0x00
.byte 0x3f, 0x15, 0x2d, 0x00
.byte 0x36, 0x15, 0x2d, 0x00
.byte 0x2d, 0x15, 0x2d, 0x00
.byte 0x24, 0x15, 0x2d, 0x00
.byte 0x1b, 0x15, 0x2d, 0x00
.byte 0x12, 0x15, 0x2d, 0x00
.byte 0x09, 0x15, 0x2d, 0x00
.byte 0x00, 0x15, 0x2d, 0x00
.byte 0x3f, 0x00, 0x2d, 0x00
.byte 0x36, 0x00, 0x2d, 0x00
.byte 0x2d, 0x00, 0x2d, 0x00
.byte 0x24, 0x00, 0x2d, 0x00
.byte 0x1b, 0x00, 0x2d, 0x00
.byte 0x12, 0x00, 0x2d, 0x00
.byte 0x09, 0x00, 0x2d, 0x00
.byte 0x00, 0x00, 0x2d, 0x00
.byte 0x3f, 0x3f, 0x24, 0x00
.byte 0x36, 0x3f, 0x24, 0x00
.byte 0x2d, 0x3f, 0x24, 0x00
.byte 0x24, 0x3f, 0x24, 0x00
.byte 0x1b, 0x3f, 0x24, 0x00
.byte 0x12, 0x3f, 0x24, 0x00
.byte 0x09, 0x3f, 0x24, 0x00
.byte 0x00, 0x3f, 0x24, 0x00
.byte 0x3f, 0x2a, 0x24, 0x00
.byte 0x36, 0x2a, 0x24, 0x00
.byte 0x2d, 0x2a, 0x24, 0x00
.byte 0x24, 0x2a, 0x24, 0x00
.byte 0x1b, 0x2a, 0x24, 0x00
.byte 0x12, 0x2a, 0x24, 0x00
.byte 0x09, 0x2a, 0x24, 0x00
.byte 0x00, 0x2a, 0x24, 0x00
.byte 0x3f, 0x15, 0x24, 0x00
.byte 0x36, 0x15, 0x24, 0x00
.byte 0x2d, 0x15, 0x24, 0x00
.byte 0x24, 0x15, 0x24, 0x00
.byte 0x1b, 0x15, 0x24, 0x00
.byte 0x12, 0x15, 0x24, 0x00
.byte 0x09, 0x15, 0x24, 0x00
.byte 0x00, 0x15, 0x24, 0x00
.byte 0x3f, 0x00, 0x24, 0x00
.byte 0x36, 0x00, 0x24, 0x00
.byte 0x2d, 0x00, 0x24, 0x00
.byte 0x24, 0x00, 0x24, 0x00
.byte 0x1b, 0x00, 0x24, 0x00
.byte 0x12, 0x00, 0x24, 0x00
.byte 0x09, 0x00, 0x24, 0x00
.byte 0x00, 0x00, 0x24, 0x00
.byte 0x3f, 0x3f, 0x1b, 0x00
.byte 0x36, 0x3f, 0x1b, 0x00
.byte 0x2d, 0x3f, 0x1b, 0x00
.byte 0x24, 0x3f, 0x1b, 0x00
.byte 0x1b, 0x3f, 0x1b, 0x00
.byte 0x12, 0x3f, 0x1b, 0x00
.byte 0x09, 0x3f, 0x1b, 0x00
.byte 0x00, 0x3f, 0x1b, 0x00
.byte 0x3f, 0x2a, 0x1b, 0x00
.byte 0x36, 0x2a, 0x1b, 0x00
.byte 0x2d, 0x2a, 0x1b, 0x00
.byte 0x24, 0x2a, 0x1b, 0x00
.byte 0x1b, 0x2a, 0x1b, 0x00
.byte 0x12, 0x2a, 0x1b, 0x00
.byte 0x09, 0x2a, 0x1b, 0x00
.byte 0x00, 0x2a, 0x1b, 0x00
.byte 0x3f, 0x15, 0x1b, 0x00
.byte 0x36, 0x15, 0x1b, 0x00
.byte 0x2d, 0x15, 0x1b, 0x00
.byte 0x24, 0x15, 0x1b, 0x00
.byte 0x1b, 0x15, 0x1b, 0x00
.byte 0x12, 0x15, 0x1b, 0x00
.byte 0x09, 0x15, 0x1b, 0x00
.byte 0x00, 0x15, 0x1b, 0x00
.byte 0x3f, 0x00, 0x1b, 0x00
.byte 0x36, 0x00, 0x1b, 0x00
.byte 0x2d, 0x00, 0x1b, 0x00
.byte 0x24, 0x00, 0x1b, 0x00
.byte 0x1b, 0x00, 0x1b, 0x00
.byte 0x12, 0x00, 0x1b, 0x00
.byte 0x09, 0x00, 0x1b, 0x00
.byte 0x00, 0x00, 0x1b, 0x00
.byte 0x3f, 0x3f, 0x12, 0x00
.byte 0x36, 0x3f, 0x12, 0x00
.byte 0x2d, 0x3f, 0x12, 0x00
.byte 0x24, 0x3f, 0x12, 0x00
.byte 0x1b, 0x3f, 0x12, 0x00
.byte 0x12, 0x3f, 0x12, 0x00
.byte 0x09, 0x3f, 0x12, 0x00
.byte 0x00, 0x3f, 0x12, 0x00
.byte 0x3f, 0x2a, 0x12, 0x00
.byte 0x36, 0x2a, 0x12, 0x00
.byte 0x2d, 0x2a, 0x12, 0x00
.byte 0x24, 0x2a, 0x12, 0x00
.byte 0x1b, 0x2a, 0x12, 0x00
.byte 0x12, 0x2a, 0x12, 0x00
.byte 0x09, 0x2a, 0x12, 0x00
.byte 0x00, 0x2a, 0x12, 0x00
.byte 0x3f, 0x15, 0x12, 0x00
.byte 0x36, 0x15, 0x12, 0x00
.byte 0x2d, 0x15, 0x12, 0x00
.byte 0x24, 0x15, 0x12, 0x00
.byte 0x1b, 0x15, 0x12, 0x00
.byte 0x12, 0x15, 0x12, 0x00
.byte 0x09, 0x15, 0x12, 0x00
.byte 0x00, 0x15, 0x12, 0x00
.byte 0x3f, 0x00, 0x12, 0x00
.byte 0x36, 0x00, 0x12, 0x00
.byte 0x2d, 0x00, 0x12, 0x00
.byte 0x24, 0x00, 0x12, 0x00
.byte 0x1b, 0x00, 0x12, 0x00
.byte 0x12, 0x00, 0x12, 0x00
.byte 0x09, 0x00, 0x12, 0x00
.byte 0x00, 0x00, 0x12, 0x00
.byte 0x3f, 0x3f, 0x09, 0x00
.byte 0x36, 0x3f, 0x09, 0x00
.byte 0x2d, 0x3f, 0x09, 0x00
.byte 0x24, 0x3f, 0x09, 0x00
.byte 0x1b, 0x3f, 0x09, 0x00
.byte 0x12, 0x3f, 0x09, 0x00
.byte 0x09, 0x3f, 0x09, 0x00
.byte 0x00, 0x3f, 0x09, 0x00
.byte 0x3f, 0x2a, 0x09, 0x00
.byte 0x36, 0x2a, 0x09, 0x00
.byte 0x2d, 0x2a, 0x09, 0x00
.byte 0x24, 0x2a, 0x09, 0x00
.byte 0x1b, 0x2a, 0x09, 0x00
.byte 0x12, 0x2a, 0x09, 0x00
.byte 0x09, 0x2a, 0x09, 0x00
.byte 0x00, 0x2a, 0x09, 0x00
.byte 0x3f, 0x15, 0x09, 0x00
.byte 0x36, 0x15, 0x09, 0x00
.byte 0x2d, 0x15, 0x09, 0x00
.byte 0x24, 0x15, 0x09, 0x00
.byte 0x1b, 0x15, 0x09, 0x00
.byte 0x12, 0x15, 0x09, 0x00
.byte 0x09, 0x15, 0x09, 0x00
.byte 0x00, 0x15, 0x09, 0x00
.byte 0x3f, 0x00, 0x09, 0x00
.byte 0x36, 0x00, 0x09, 0x00
.byte 0x2d, 0x00, 0x09, 0x00
.byte 0x24, 0x00, 0x09, 0x00
.byte 0x1b, 0x00, 0x09, 0x00
.byte 0x12, 0x00, 0x09, 0x00
.byte 0x09, 0x00, 0x09, 0x00
.byte 0x00, 0x00, 0x09, 0x00
.byte 0x3f, 0x3f, 0x00, 0x00
.byte 0x36, 0x3f, 0x00, 0x00
.byte 0x2d, 0x3f, 0x00, 0x00
.byte 0x24, 0x3f, 0x00, 0x00
.byte 0x1b, 0x3f, 0x00, 0x00
.byte 0x12, 0x3f, 0x00, 0x00
.byte 0x09, 0x3f, 0x00, 0x00
.byte 0x00, 0x3f, 0x00, 0x00
.byte 0x3f, 0x2a, 0x00, 0x00
.byte 0x36, 0x2a, 0x00, 0x00
.byte 0x2d, 0x2a, 0x00, 0x00
.byte 0x24, 0x2a, 0x00, 0x00
.byte 0x1b, 0x2a, 0x00, 0x00
.byte 0x12, 0x2a, 0x00, 0x00
.byte 0x09, 0x2a, 0x00, 0x00
.byte 0x00, 0x2a, 0x00, 0x00
.byte 0x3f, 0x15, 0x00, 0x00
.byte 0x36, 0x15, 0x00, 0x00
.byte 0x2d, 0x15, 0x00, 0x00
.byte 0x24, 0x15, 0x00, 0x00
.byte 0x1b, 0x15, 0x00, 0x00
.byte 0x12, 0x15, 0x00, 0x00
.byte 0x09, 0x15, 0x00, 0x00
.byte 0x00, 0x15, 0x00, 0x00
.byte 0x3f, 0x00, 0x00, 0x00
.byte 0x36, 0x00, 0x00, 0x00
.byte 0x2d, 0x00, 0x00, 0x00
.byte 0x24, 0x00, 0x00, 0x00
.byte 0x1b, 0x00, 0x00, 0x00
.byte 0x12, 0x00, 0x00, 0x00
.byte 0x09, 0x00, 0x00, 0x00
.byte 0x00, 0x00, 0x00, 0x00
/branches/arm/kernel/arch/ia32/src/ia32.c
1,7 → 1,5
/*
* Copyright (c) 2001-2004 Jakub Jermar
* Copyright (c) 2009 Jiri Svoboda
* Copyright (c) 2009 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
40,12 → 38,9
 
#include <arch/pm.h>
 
#include <genarch/multiboot/multiboot.h>
#include <genarch/drivers/legacy/ia32/io.h>
#include <genarch/drivers/ega/ega.h>
#include <arch/drivers/ega.h>
#include <arch/drivers/vesa.h>
#include <genarch/drivers/i8042/i8042.h>
#include <genarch/kbrd/kbrd.h>
#include <genarch/kbd/i8042.h>
#include <arch/drivers/i8254.h>
#include <arch/drivers/i8259.h>
 
65,30 → 60,12
#include <proc/thread.h>
#include <syscall/syscall.h>
#include <console/console.h>
#include <sysinfo/sysinfo.h>
#include <arch/boot/boot.h>
#include <ddi/device.h>
 
#ifdef CONFIG_SMP
#include <arch/smp/apic.h>
#endif
 
/** Perform ia32-specific initialization before main_bsp() is called.
*
* @param signature Should contain the multiboot signature.
* @param mi Pointer to the multiboot information structure.
*/
void arch_pre_main(uint32_t signature, const multiboot_info_t *mi)
{
/* Parse multiboot information obtained from the bootloader. */
multiboot_info_parse(signature, mi);
#ifdef CONFIG_SMP
/* Copy AP bootstrap routines below 1 MB. */
memcpy((void *) AP_BOOT_OFFSET, (void *) BOOT_OFFSET,
(size_t) &_hardcoded_unmapped_size);
#endif
}
 
void arch_pre_mm_init(void)
{
pm_init();
110,17 → 87,13
/* hard clock */
i8254_init();
 
#ifdef CONFIG_FB
if (vesa_present())
if (vesa_present())
vesa_init();
else
#endif
#ifdef CONFIG_EGA
ega_init(EGA_BASE, EGA_VIDEORAM); /* video */
#else
{}
#endif
ega_init(); /* video */
/* Enable debugger */
debugger_init();
150,33 → 123,10
 
void arch_post_smp_init(void)
{
#ifdef CONFIG_PC_KBD
/*
* Initialize the i8042 controller. Then initialize the keyboard
* module and connect it to i8042. Enable keyboard interrupts.
*/
i8042_instance_t *i8042_instance = i8042_init((i8042_t *) I8042_BASE, IRQ_KBD);
if (i8042_instance) {
kbrd_instance_t *kbrd_instance = kbrd_init();
if (kbrd_instance) {
indev_t *sink = stdin_wire();
indev_t *kbrd = kbrd_wire(kbrd_instance, sink);
i8042_wire(i8042_instance, kbrd);
trap_virtual_enable_irqs(1 << IRQ_KBD);
}
}
/*
* This is the necessary evil until the userspace driver is entirely
* self-sufficient.
*/
sysinfo_set_item_val("kbd", NULL, true);
sysinfo_set_item_val("kbd.inr", NULL, IRQ_KBD);
sysinfo_set_item_val("kbd.address.physical", NULL,
(uintptr_t) I8042_BASE);
sysinfo_set_item_val("kbd.address.kernel", NULL,
(uintptr_t) I8042_BASE);
#endif
devno_t kbd = device_assign_devno();
devno_t mouse = device_assign_devno();
/* keyboard controller */
i8042_init(kbd, IRQ_KBD, mouse, IRQ_MOUSE);
}
 
void calibrate_delay_loop(void)
209,45 → 159,15
*/
void arch_grab_console(void)
{
#ifdef CONFIG_FB
if (vesa_present())
vesa_redraw();
else
#endif
#ifdef CONFIG_EGA
ega_redraw();
#else
{}
#endif
i8042_grab();
}
 
/** Return console to userspace
*
*/
void arch_release_console(void)
{
i8042_release();
}
 
/** Construct function pointer
*
* @param fptr function pointer structure
* @param addr function address
* @param caller calling function address
*
* @return address of the function pointer
*
*/
void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller)
{
return addr;
}
 
void arch_reboot(void)
{
#ifdef CONFIG_PC_KBD
i8042_cpu_reset((i8042_t *) I8042_BASE);
#endif
}
 
/** @}
*/
/branches/arm/kernel/arch/ia32/src/ddi/ddi.c
57,7 → 57,7
*/
int ddi_iospace_enable_arch(task_t *task, uintptr_t ioaddr, size_t size)
{
size_t bits;
count_t bits;
 
bits = ioaddr + size;
if (bits > IO_PORTS)
99,7 → 99,7
/*
* Enable the range and we are done.
*/
bitmap_clear_range(&task->arch.iomap, (size_t) ioaddr, (size_t) size);
bitmap_clear_range(&task->arch.iomap, (index_t) ioaddr, (count_t) size);
 
/*
* Increment I/O Permission bitmap generation counter.
118,10 → 118,10
*/
void io_perm_bitmap_install(void)
{
size_t bits;
count_t bits;
ptr_16_32_t cpugdtr;
descriptor_t *gdt_p;
size_t ver;
count_t ver;
 
/* First, copy the I/O Permission Bitmap. */
spinlock_lock(&TASK->lock);
156,7 → 156,7
* type must be changed to describe inactive TSS.
*/
gdt_p[TSS_DES].access = AR_PRESENT | AR_TSS | DPL_KERNEL;
tr_load(gdtselector(TSS_DES));
tr_load(selector(TSS_DES));
/*
* Update the generation count so that faults caused by
/branches/arm/kernel/arch/ia32/src/proc/scheduler.c
38,6 → 38,7
#include <proc/thread.h>
#include <arch.h>
#include <arch/context.h> /* SP_DELTA */
#include <arch/debugger.h>
#include <arch/pm.h>
#include <arch/asm.h>
#include <arch/ddi/ddi.h>
57,18 → 58,21
*/
void before_thread_runs_arch(void)
{
uintptr_t kstk = (uintptr_t) &THREAD->kstack[THREAD_STACK_SIZE -
CPU->arch.tss->esp0 = (uintptr_t) &THREAD->kstack[THREAD_STACK_SIZE -
SP_DELTA];
/* Set kernel stack for CP3 -> CPL0 switch via SYSENTER */
write_msr(IA32_MSR_SYSENTER_ESP, kstk);
/* Set kernel stack for CPL3 -> CPL0 switch via interrupt */
CPU->arch.tss->esp0 = kstk;
CPU->arch.tss->ss0 = gdtselector(KDATA_DES);
CPU->arch.tss->ss0 = selector(KDATA_DES);
 
/* Set up TLS in GS register */
set_tls_desc(THREAD->arch.tls);
 
#ifdef CONFIG_DEBUG_AS_WATCHPOINT
/* Set watchpoint on AS to ensure that nobody sets it to zero */
if (CPU->id < BKPOINTS_MAX) {
the_t *the = THE;
breakpoint_add(&((the_t *) the->thread->kstack)->as,
BKPOINT_WRITE | BKPOINT_CHECK_ZERO, the->cpu->id);
}
#endif
}
 
void after_thread_ran_arch(void)
/branches/arm/kernel/arch/ia32/src/interrupt.c
44,6 → 44,7
#include <mm/tlb.h>
#include <mm/as.h>
#include <arch.h>
#include <symtab.h>
#include <proc/thread.h>
#include <proc/task.h>
#include <synch/spinlock.h>
51,7 → 52,6
#include <ipc/sysipc.h>
#include <interrupt.h>
#include <ddi/irq.h>
#include <symtab.h>
 
/*
* Interrupt and exception dispatching.
63,9 → 63,10
 
void decode_istate(istate_t *istate)
{
char *symbol;
char *symbol = get_symtab_entry(istate->eip);
 
symbol = symtab_fmt_name_lookup(istate->eip);
if (!symbol)
symbol = "";
 
if (CPU)
printf("----------------EXCEPTION OCCURED (cpu%u)----------------\n", CPU->id);
76,6 → 77,9
printf("ERROR_WORD=%#lx\n", istate->error_word);
printf("%%cs=%#lx,flags=%#lx\n", istate->cs, istate->eflags);
printf("%%eax=%#lx, %%ecx=%#lx, %%edx=%#lx, %%esp=%p\n", istate->eax, istate->ecx, istate->edx, &istate->stack[0]);
#ifdef CONFIG_DEBUG_ALLREGS
printf("%%esi=%#lx, %%edi=%#lx, %%ebp=%#lx, %%ebx=%#lx\n", istate->esi, istate->edi, istate->ebp, istate->ebx);
#endif
printf("stack: %#lx, %#lx, %#lx, %#lx\n", istate->stack[0], istate->stack[1], istate->stack[2], istate->stack[3]);
printf(" %#lx, %#lx, %#lx, %#lx\n", istate->stack[4], istate->stack[5], istate->stack[6], istate->stack[7]);
}
85,16 → 89,16
if (eoi_function)
eoi_function();
else
panic("No eoi_function.");
panic("no eoi_function\n");
 
}
 
static void null_interrupt(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "Unserviced interrupt: %d.", n);
fault_if_from_uspace(istate, "unserviced interrupt: %d", n);
 
decode_istate(istate);
panic("Unserviced interrupt: %d.", n);
panic("unserviced interrupt: %d\n", n);
}
 
/** General Protection Fault. */
101,7 → 105,7
static void gp_fault(int n __attribute__((unused)), istate_t *istate)
{
if (TASK) {
size_t ver;
count_t ver;
spinlock_lock(&TASK->lock);
ver = TASK->arch.iomapver;
118,19 → 122,19
io_perm_bitmap_install();
return;
}
fault_if_from_uspace(istate, "General protection fault.");
fault_if_from_uspace(istate, "general protection fault");
}
 
decode_istate(istate);
panic("General protection fault.");
panic("general protection fault\n");
}
 
static void ss_fault(int n __attribute__((unused)), istate_t *istate)
{
fault_if_from_uspace(istate, "Stack fault.");
fault_if_from_uspace(istate, "stack fault");
 
decode_istate(istate);
panic("Stack fault.");
panic("stack fault\n");
}
 
static void simd_fp_exception(int n __attribute__((unused)), istate_t *istate)
137,15 → 141,15
{
uint32_t mxcsr;
asm (
"stmxcsr %[mxcsr]\n"
: [mxcsr] "=m" (mxcsr)
"stmxcsr %0;\n"
: "=m" (mxcsr)
);
fault_if_from_uspace(istate, "SIMD FP exception(19), MXCSR: %#zx.",
fault_if_from_uspace(istate, "SIMD FP exception(19), MXCSR: %#zx",
(unative_t) mxcsr);
 
decode_istate(istate);
printf("MXCSR: %#lx\n", mxcsr);
panic("SIMD FP exception(19).");
panic("SIMD FP exception(19)\n");
}
 
static void nm_fault(int n __attribute__((unused)), istate_t *istate __attribute__((unused)))
153,8 → 157,8
#ifdef CONFIG_FPU_LAZY
scheduler_fpu_lazy_request();
#else
fault_if_from_uspace(istate, "FPU fault.");
panic("FPU fault.");
fault_if_from_uspace(istate, "fpu fault");
panic("fpu fault");
#endif
}
 
187,7 → 191,7
trap_virtual_eoi();
ack = true;
}
irq->handler(irq);
irq->handler(irq, irq->arg);
spinlock_unlock(&irq->lock);
} else {
/*
229,7 → 233,7
if (enable_irqs_function)
enable_irqs_function(irqmask);
else
panic("No enable_irqs_function.");
panic("no enable_irqs_function\n");
}
 
void trap_virtual_disable_irqs(uint16_t irqmask)
237,7 → 241,7
if (disable_irqs_function)
disable_irqs_function(irqmask);
else
panic("No disable_irqs_function.");
panic("no disable_irqs_function\n");
}
 
/** @}
/branches/arm/kernel/arch/ia32/src/cpu/cpu.c
42,23 → 42,22
#include <fpu_context.h>
 
#include <arch/smp/apic.h>
#include <arch/syscall.h>
 
/*
* Identification of CPUs.
* Contains only non-MP-Specification specific SMP code.
*/
#define AMD_CPUID_EBX 0x68747541
#define AMD_CPUID_ECX 0x444d4163
#define AMD_CPUID_EDX 0x69746e65
#define AMD_CPUID_EBX 0x68747541
#define AMD_CPUID_ECX 0x444d4163
#define AMD_CPUID_EDX 0x69746e65
 
#define INTEL_CPUID_EBX 0x756e6547
#define INTEL_CPUID_ECX 0x6c65746e
#define INTEL_CPUID_EDX 0x49656e69
#define INTEL_CPUID_EBX 0x756e6547
#define INTEL_CPUID_ECX 0x6c65746e
#define INTEL_CPUID_EDX 0x49656e69
 
 
enum vendor {
VendorUnknown = 0,
VendorUnknown=0,
VendorAMD,
VendorIntel
};
65,17 → 64,19
 
static char *vendor_str[] = {
"Unknown Vendor",
"AMD",
"Intel"
"AuthenticAMD",
"GenuineIntel"
};
 
void fpu_disable(void)
{
asm volatile (
"mov %%cr0, %%eax\n"
"or $8, %%eax\n"
"mov %%eax, %%cr0\n"
::: "%eax"
"mov %%cr0,%%eax;"
"or $8,%%eax;"
"mov %%eax,%%cr0;"
:
:
:"%eax"
);
}
 
82,11 → 83,13
void fpu_enable(void)
{
asm volatile (
"mov %%cr0, %%eax\n"
"and $0xffFFffF7, %%eax\n"
"mov %%eax,%%cr0\n"
::: "%eax"
);
"mov %%cr0,%%eax;"
"and $0xffFFffF7,%%eax;"
"mov %%eax,%%cr0;"
:
:
:"%eax"
);
}
 
void cpu_arch_init(void)
98,11 → 101,11
CPU->arch.tss = tss_p;
CPU->arch.tss->iomap_base = &CPU->arch.tss->iomap[0] - ((uint8_t *) CPU->arch.tss);
 
CPU->fpu_owner = NULL;
 
cpuid(1, &info);
 
fi.word = info.cpuid_edx;
efi.word = info.cpuid_ecx;
109,20 → 112,17
if (fi.bits.fxsr)
fpu_fxsr();
else
fpu_fsr();
fpu_fsr();
if (fi.bits.sse) {
asm volatile (
"mov %%cr4, %[help]\n"
"or %[mask], %[help]\n"
"mov %[help], %%cr4\n"
: [help] "+r" (help)
: [mask] "i" (CR4_OSFXSR_MASK | (1 << 10))
"mov %%cr4,%0\n"
"or %1,%0\n"
"mov %0,%%cr4\n"
: "+r" (help)
: "i" (CR4_OSFXSR_MASK|(1<<10))
);
}
/* Setup fast SYSENTER/SYSEXIT syscalls */
syscall_setup_cpu();
}
 
void cpu_identify(void)
136,31 → 136,29
/*
* Check for AMD processor.
*/
if ((info.cpuid_ebx == AMD_CPUID_EBX)
&& (info.cpuid_ecx == AMD_CPUID_ECX)
&& (info.cpuid_edx == AMD_CPUID_EDX))
if (info.cpuid_ebx==AMD_CPUID_EBX && info.cpuid_ecx==AMD_CPUID_ECX && info.cpuid_edx==AMD_CPUID_EDX) {
CPU->arch.vendor = VendorAMD;
}
 
/*
* Check for Intel processor.
*/
if ((info.cpuid_ebx == INTEL_CPUID_EBX)
&& (info.cpuid_ecx == INTEL_CPUID_ECX)
&& (info.cpuid_edx == INTEL_CPUID_EDX))
if (info.cpuid_ebx==INTEL_CPUID_EBX && info.cpuid_ecx==INTEL_CPUID_ECX && info.cpuid_edx==INTEL_CPUID_EDX) {
CPU->arch.vendor = VendorIntel;
}
cpuid(1, &info);
CPU->arch.family = (info.cpuid_eax >> 8) & 0x0f;
CPU->arch.model = (info.cpuid_eax >> 4) & 0x0f;
CPU->arch.stepping = (info.cpuid_eax >> 0) & 0x0f;
CPU->arch.family = (info.cpuid_eax>>8)&0xf;
CPU->arch.model = (info.cpuid_eax>>4)&0xf;
CPU->arch.stepping = (info.cpuid_eax>>0)&0xf;
}
}
 
void cpu_print_report(cpu_t* cpu)
void cpu_print_report(cpu_t* m)
{
printf("cpu%u: (%s family=%u model=%u stepping=%u) %" PRIu16 " MHz\n",
cpu->id, vendor_str[cpu->arch.vendor], cpu->arch.family,
cpu->arch.model, cpu->arch.stepping, cpu->frequency_mhz);
printf("cpu%d: (%s family=%d model=%d stepping=%d) %dMHz\n",
m->id, vendor_str[m->arch.vendor], m->arch.family, m->arch.model, m->arch.stepping,
m->frequency_mhz);
}
 
/** @}
/branches/arm/kernel/arch/ia32/src/fpu_context.c
44,43 → 44,46
static void fpu_context_f_save(fpu_context_t *fctx)
{
asm volatile (
"fnsave %[fctx]"
: [fctx] "=m" (*fctx)
);
"fnsave %0"
: "=m"(*fctx)
);
}
 
static void fpu_context_f_restore(fpu_context_t *fctx)
{
asm volatile (
"frstor %[fctx]"
: [fctx] "=m" (*fctx)
);
"frstor %0"
: "=m"(*fctx)
);
}
 
static void fpu_context_fx_save(fpu_context_t *fctx)
{
asm volatile (
"fxsave %[fctx]"
: [fctx] "=m" (*fctx)
);
"fxsave %0"
: "=m"(*fctx)
);
}
 
static void fpu_context_fx_restore(fpu_context_t *fctx)
{
asm volatile (
"fxrstor %[fctx]"
: [fctx] "=m" (*fctx)
);
"fxrstor %0"
: "=m"(*fctx)
);
}
 
/* Setup using fxsr instruction */
/*
Setup using fxsr instruction
*/
void fpu_fxsr(void)
{
fpu_save=fpu_context_fx_save;
fpu_restore=fpu_context_fx_restore;
}
 
/* Setup using not fxsr instruction */
/*
Setup using not fxsr instruction
*/
void fpu_fsr(void)
{
fpu_save = fpu_context_f_save;
99,18 → 102,16
 
void fpu_init()
{
uint32_t help0 = 0;
uint32_t help1 = 0;
uint32_t help0 = 0, help1 = 0;
asm volatile (
"fninit\n"
"stmxcsr %[help0]\n"
"mov %[help0], %[help1]\n"
"or %[magic], %[help1]\n"
"mov %[help1], %[help0]\n"
"ldmxcsr %[help0]\n"
: [help0] "+m" (help0), [help1] "+r" (help1)
: [magic] "i" (0x1f80)
"fninit;\n"
"stmxcsr %0\n"
"mov %0,%1;\n"
"or %2,%1;\n"
"mov %1,%0;\n"
"ldmxcsr %0;\n"
: "+m" (help0), "+r" (help1)
: "i" (0x1f80)
);
}
 
/branches/arm/kernel/arch/ia32/src/atomic.S
42,7 → 42,9
movl 12(%esp),%ebx
 
0:
#ifdef CONFIG_HT
pause # Pentium 4's with HT love this instruction
#endif
movl (%ebx),%eax
testl %eax,%eax
jnz 0b # lightweight looping while it is locked
/branches/arm/kernel/arch/ia32/_link.ld.in
1,11 → 1,11
/** IA-32 linker script
*
*
* umapped section:
* kernel text
* kernel data
* kernel text
* kernel data
* mapped section:
* kernel text
* kernel data
* kernel text
* kernel data
*/
 
#include <arch/boot/boot.h>
28,9 → 28,9
ktext_end = .;
kdata_start = .;
*(.data); /* initialized data */
*(.rodata*); /* string literals */
*(COMMON); /* global variables */
*(.data); /* initialized data */
*(.rodata*); /* string literals */
*(COMMON); /* global variables */
hardcoded_load_address = .;
LONG(PA2KA(BOOT_OFFSET));
hardcoded_ktext_size = .;
42,23 → 42,23
hardcoded_unmapped_kdata_size = .;
LONG(unmapped_kdata_end - unmapped_kdata_start);
symbol_table = .;
*(symtab.*); /* Symbol table, must be LAST symbol! */
*(.bss); /* uninitialized static variables */
*(symtab.*); /* Symbol table, must be LAST symbol! */
*(.bss); /* uninitialized static variables */
kdata_end = .;
}
 
/DISCARD/ : {
*(.note.GNU-stack);
*(.note.GNU-stack);
*(.comment);
}
#ifdef CONFIG_SMP
#ifdef CONFIG_SMP
_hardcoded_unmapped_size = (unmapped_ktext_end - unmapped_ktext_start) + (unmapped_kdata_end - unmapped_kdata_start);
ap_boot = unmapped_ap_boot - BOOT_OFFSET + AP_BOOT_OFFSET;
ap_gdtr = unmapped_ap_gdtr - BOOT_OFFSET + AP_BOOT_OFFSET;
protected_ap_gdtr = PA2KA(ap_gdtr);
 
#endif /* CONFIG_SMP */
 
}
/branches/arm/kernel/arch/amd64/include/atomic.h
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup amd64
/** @addtogroup amd64
* @{
*/
/** @file
41,29 → 41,17
 
static inline void atomic_inc(atomic_t *val) {
#ifdef CONFIG_SMP
asm volatile (
"lock incq %[count]\n"
: [count] "+m" (val->count)
);
asm volatile ("lock incq %0\n" : "+m" (val->count));
#else
asm volatile (
"incq %[count]\n"
: [count] "+m" (val->count)
);
asm volatile ("incq %0\n" : "+m" (val->count));
#endif /* CONFIG_SMP */
}
 
static inline void atomic_dec(atomic_t *val) {
#ifdef CONFIG_SMP
asm volatile (
"lock decq %[count]\n"
: [count] "+m" (val->count)
);
asm volatile ("lock decq %0\n" : "+m" (val->count));
#else
asm volatile (
"decq %[count]\n"
: [count] "+m" (val->count)
);
asm volatile ("decq %0\n" : "+m" (val->count));
#endif /* CONFIG_SMP */
}
 
70,12 → 58,12
static inline long atomic_postinc(atomic_t *val)
{
long r = 1;
 
asm volatile (
"lock xaddq %[r], %[count]\n"
: [count] "+m" (val->count), [r] "+r" (r)
"lock xaddq %1, %0\n"
: "+m" (val->count), "+r" (r)
);
 
return r;
}
 
84,23 → 72,23
long r = -1;
asm volatile (
"lock xaddq %[r], %[count]\n"
: [count] "+m" (val->count), [r] "+r" (r)
"lock xaddq %1, %0\n"
: "+m" (val->count), "+r" (r)
);
return r;
}
 
#define atomic_preinc(val) (atomic_postinc(val) + 1)
#define atomic_predec(val) (atomic_postdec(val) - 1)
#define atomic_preinc(val) (atomic_postinc(val) + 1)
#define atomic_predec(val) (atomic_postdec(val) - 1)
 
static inline uint64_t test_and_set(atomic_t *val) {
uint64_t v;
asm volatile (
"movq $1, %[v]\n"
"xchgq %[v], %[count]\n"
: [v] "=r" (v), [count] "+m" (val->count)
"movq $1, %0\n"
"xchgq %0, %1\n"
: "=r" (v), "+m" (val->count)
);
return v;
111,20 → 99,22
static inline void atomic_lock_arch(atomic_t *val)
{
uint64_t tmp;
 
preemption_disable();
asm volatile (
"0:\n"
#ifdef CONFIG_HT
"pause\n"
"mov %[count], %[tmp]\n"
"testq %[tmp], %[tmp]\n"
#endif
"mov %0, %1\n"
"testq %1, %1\n"
"jnz 0b\n" /* lightweight looping on locked spinlock */
"incq %[tmp]\n" /* now use the atomic operation */
"xchgq %[count], %[tmp]\n"
"testq %[tmp], %[tmp]\n"
"incq %1\n" /* now use the atomic operation */
"xchgq %0, %1\n"
"testq %1, %1\n"
"jnz 0b\n"
: [count] "+m" (val->count), [tmp] "=&r" (tmp)
: "+m" (val->count), "=&r" (tmp)
);
/*
* Prevent critical section code from bleeding out this way up.
/branches/arm/kernel/arch/amd64/include/mm/page.h
112,33 → 112,33
#define SET_PTL0_ADDRESS_ARCH(ptl0) \
(write_cr3((uintptr_t) (ptl0)))
#define SET_PTL1_ADDRESS_ARCH(ptl0, i, a) \
set_pt_addr((pte_t *) (ptl0), (size_t) (i), a)
set_pt_addr((pte_t *) (ptl0), (index_t) (i), a)
#define SET_PTL2_ADDRESS_ARCH(ptl1, i, a) \
set_pt_addr((pte_t *) (ptl1), (size_t) (i), a)
set_pt_addr((pte_t *) (ptl1), (index_t) (i), a)
#define SET_PTL3_ADDRESS_ARCH(ptl2, i, a) \
set_pt_addr((pte_t *) (ptl2), (size_t) (i), a)
set_pt_addr((pte_t *) (ptl2), (index_t) (i), a)
#define SET_FRAME_ADDRESS_ARCH(ptl3, i, a) \
set_pt_addr((pte_t *) (ptl3), (size_t) (i), a)
set_pt_addr((pte_t *) (ptl3), (index_t) (i), a)
 
/* Get PTE flags accessors for each level. */
#define GET_PTL1_FLAGS_ARCH(ptl0, i) \
get_pt_flags((pte_t *) (ptl0), (size_t) (i))
get_pt_flags((pte_t *) (ptl0), (index_t) (i))
#define GET_PTL2_FLAGS_ARCH(ptl1, i) \
get_pt_flags((pte_t *) (ptl1), (size_t) (i))
get_pt_flags((pte_t *) (ptl1), (index_t) (i))
#define GET_PTL3_FLAGS_ARCH(ptl2, i) \
get_pt_flags((pte_t *) (ptl2), (size_t) (i))
get_pt_flags((pte_t *) (ptl2), (index_t) (i))
#define GET_FRAME_FLAGS_ARCH(ptl3, i) \
get_pt_flags((pte_t *) (ptl3), (size_t) (i))
get_pt_flags((pte_t *) (ptl3), (index_t) (i))
 
/* Set PTE flags accessors for each level. */
#define SET_PTL1_FLAGS_ARCH(ptl0, i, x) \
set_pt_flags((pte_t *) (ptl0), (size_t) (i), (x))
set_pt_flags((pte_t *) (ptl0), (index_t) (i), (x))
#define SET_PTL2_FLAGS_ARCH(ptl1, i, x) \
set_pt_flags((pte_t *) (ptl1), (size_t) (i), (x))
set_pt_flags((pte_t *) (ptl1), (index_t) (i), (x))
#define SET_PTL3_FLAGS_ARCH(ptl2, i, x) \
set_pt_flags((pte_t *) (ptl2), (size_t) (i), (x))
set_pt_flags((pte_t *) (ptl2), (index_t) (i), (x))
#define SET_FRAME_FLAGS_ARCH(ptl3, i, x) \
set_pt_flags((pte_t *) (ptl3), (size_t) (i), (x))
set_pt_flags((pte_t *) (ptl3), (index_t) (i), (x))
 
/* Macros for querying the last-level PTE entries. */
#define PTE_VALID_ARCH(p) \
176,7 → 176,7
*/
#define PFERR_CODE_ID (1 << 4)
 
static inline int get_pt_flags(pte_t *pt, size_t i)
static inline int get_pt_flags(pte_t *pt, index_t i)
{
pte_t *p = &pt[i];
189,7 → 189,7
p->global << PAGE_GLOBAL_SHIFT);
}
 
static inline void set_pt_addr(pte_t *pt, size_t i, uintptr_t a)
static inline void set_pt_addr(pte_t *pt, index_t i, uintptr_t a)
{
pte_t *p = &pt[i];
 
197,7 → 197,7
p->addr_32_51 = a >> 32;
}
 
static inline void set_pt_flags(pte_t *pt, size_t i, int flags)
static inline void set_pt_flags(pte_t *pt, index_t i, int flags)
{
pte_t *p = &pt[i];
/branches/arm/kernel/arch/amd64/include/mm/frame.h
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup amd64mm
/** @addtogroup amd64mm
* @{
*/
/** @file
39,8 → 39,8
#include <arch/types.h>
#endif /* __ASM__ */
 
#define FRAME_WIDTH 12 /* 4K */
#define FRAME_SIZE (1 << FRAME_WIDTH)
#define FRAME_WIDTH 12 /* 4K */
#define FRAME_SIZE (1 << FRAME_WIDTH)
 
#ifndef __ASM__
extern uintptr_t last_frame;
/branches/arm/kernel/arch/amd64/include/mm/tlb.h
35,6 → 35,9
#ifndef KERN_amd64_TLB_H_
#define KERN_amd64_TLB_H_
 
#define tlb_arch_init()
#define tlb_print()
 
#endif
 
/** @}
/branches/arm/kernel/arch/amd64/include/types.h
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup amd64
/** @addtogroup amd64
* @{
*/
/** @file
46,6 → 46,8
typedef unsigned long long uint64_t;
 
typedef uint64_t size_t;
typedef uint64_t count_t;
typedef uint64_t index_t;
 
typedef uint64_t uintptr_t;
typedef uint64_t pfn_t;
55,12 → 57,11
typedef uint64_t unative_t;
typedef int64_t native_t;
 
typedef struct {
} fncptr_t;
 
/**< Formats for uintptr_t, size_t */
/**< Formats for uintptr_t, size_t, count_t and index_t */
#define PRIp "llx"
#define PRIs "llu"
#define PRIc "llu"
#define PRIi "llu"
 
/**< Formats for (u)int8_t, (u)int16_t, (u)int32_t, (u)int64_t and (u)native_t */
#define PRId8 "d"
/branches/arm/kernel/arch/amd64/include/byteorder.h
0,0 → 1,44
/*
* Copyright (c) 2005 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup amd64
* @{
*/
/** @file
*/
 
#ifndef KERN_amd64_BYTEORDER_H_
#define KERN_amd64_BYTEORDER_H_
 
/* AMD64 is little-endian */
#define ARCH_IS_LITTLE_ENDIAN
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/amd64/include/cpu.h
35,9 → 35,9
#ifndef KERN_amd64_CPU_H_
#define KERN_amd64_CPU_H_
 
#define RFLAGS_IF (1 << 9)
#define RFLAGS_DF (1 << 10)
#define RFLAGS_RF (1 << 16)
#define RFLAGS_IF (1 << 9)
#define RFLAGS_DF (1 << 10)
#define RFLAGS_RF (1 << 16)
 
#define EFER_MSR_NUM 0xc0000080
#define AMD_SCE_FLAG 0
62,15 → 62,17
int family;
int model;
int stepping;
tss_t *tss;
struct tss *tss;
size_t iomapver_copy; /** Copy of TASK's I/O Permission bitmap generation count. */
count_t iomapver_copy; /** Copy of TASK's I/O Permission bitmap generation count. */
} cpu_arch_t;
 
struct star_msr {
};
 
struct lstar_msr {
};
 
extern void set_efer_flag(int flag);
/branches/arm/kernel/arch/amd64/include/cpuid.h
35,15 → 35,14
#ifndef KERN_amd64_CPUID_H_
#define KERN_amd64_CPUID_H_
 
#define AMD_CPUID_EXTENDED 0x80000001
#define AMD_EXT_NOEXECUTE 20
#define AMD_EXT_LONG_MODE 29
#define AMD_CPUID_EXTENDED 0x80000001
#define AMD_EXT_NOEXECUTE 20
#define AMD_EXT_LONG_MODE 29
 
#define INTEL_CPUID_LEVEL 0x00000000
#define INTEL_CPUID_STANDARD 0x00000001
#define INTEL_CPUID_EXTENDED 0x80000000
#define INTEL_SSE2 26
#define INTEL_FXSAVE 24
#define INTEL_CPUID_STANDARD 0x00000001
#define INTEL_CPUID_EXTENDED 0x80000000
#define INTEL_SSE2 26
#define INTEL_FXSAVE 24
 
#ifndef __ASM__
 
/branches/arm/kernel/arch/amd64/include/proc/task.h
40,7 → 40,7
 
typedef struct {
/** I/O Permission bitmap Generation counter. */
size_t iomapver;
count_t iomapver;
/** I/O Permission bitmap. */
bitmap_t iomap;
} task_arch_t;
/branches/arm/kernel/arch/amd64/include/interrupt.h
71,6 → 71,7
/** This is passed to interrupt handlers */
typedef struct {
uint64_t rax;
uint64_t rbx;
uint64_t rcx;
uint64_t rdx;
uint64_t rsi;
79,6 → 80,11
uint64_t r9;
uint64_t r10;
uint64_t r11;
uint64_t r12;
uint64_t r13;
uint64_t r14;
uint64_t r15;
uint64_t rbp;
uint64_t error_word;
uint64_t rip;
uint64_t cs;
/branches/arm/kernel/arch/amd64/include/asm.h
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup amd64
/** @addtogroup amd64
* @{
*/
/** @file
36,8 → 36,6
#define KERN_amd64_ASM_H_
 
#include <config.h>
#include <arch/types.h>
#include <typedefs.h>
 
extern void asm_delay_loop(uint32_t t);
extern void asm_fake_loop(uint32_t t);
47,17 → 45,12
* Return the base address of the current stack.
* The stack is assumed to be STACK_SIZE bytes long.
* The stack must start on page boundary.
*
*/
static inline uintptr_t get_stack_base(void)
{
uintptr_t v;
asm volatile (
"andq %%rsp, %[v]\n"
: [v] "=r" (v)
: "0" (~((uint64_t) STACK_SIZE-1))
);
asm volatile ("andq %%rsp, %0\n" : "=r" (v) : "0" (~((uint64_t)STACK_SIZE-1)));
return v;
}
69,11 → 62,7
 
static inline void cpu_halt(void)
{
asm volatile (
"0:\n"
" hlt\n"
" jmp 0b\n"
);
asm volatile ("hlt\n");
}
 
 
83,63 → 72,15
*
* @param port Port to read from
* @return Value read
*
*/
static inline uint8_t pio_read_8(ioport8_t *port)
static inline uint8_t inb(uint16_t port)
{
uint8_t val;
asm volatile (
"inb %w[port], %b[val]\n"
: [val] "=a" (val)
: [port] "d" (port)
);
return val;
}
 
/** Word from port
*
* Get word from port
*
* @param port Port to read from
* @return Value read
*
*/
static inline uint16_t pio_read_16(ioport16_t *port)
{
uint16_t val;
asm volatile (
"inw %w[port], %w[val]\n"
: [val] "=a" (val)
: [port] "d" (port)
);
asm volatile ("inb %w1, %b0 \n" : "=a" (val) : "d" (port));
return val;
}
 
/** Double word from port
*
* Get double word from port
*
* @param port Port to read from
* @return Value read
*
*/
static inline uint32_t pio_read_32(ioport32_t *port)
{
uint32_t val;
asm volatile (
"inl %w[port], %[val]\n"
: [val] "=a" (val)
: [port] "d" (port)
);
return val;
}
 
/** Byte to port
*
* Output byte to port
146,48 → 87,12
*
* @param port Port to write to
* @param val Value to write
*
*/
static inline void pio_write_8(ioport8_t *port, uint8_t val)
static inline void outb(uint16_t port, uint8_t val)
{
asm volatile (
"outb %b[val], %w[port]\n"
:: [val] "a" (val), [port] "d" (port)
);
asm volatile ("outb %b0, %w1\n" : : "a" (val), "d" (port));
}
 
/** Word to port
*
* Output word to port
*
* @param port Port to write to
* @param val Value to write
*
*/
static inline void pio_write_16(ioport16_t *port, uint16_t val)
{
asm volatile (
"outw %w[val], %w[port]\n"
:: [val] "a" (val), [port] "d" (port)
);
}
 
/** Double word to port
*
* Output double word to port
*
* @param port Port to write to
* @param val Value to write
*
*/
static inline void pio_write_32(ioport32_t *port, uint32_t val)
{
asm volatile (
"outl %[val], %w[port]\n"
:: [val] "a" (val), [port] "d" (port)
);
}
 
/** Swap Hidden part of GS register with visible one */
static inline void swapgs(void)
{
200,18 → 105,15
* value of EFLAGS.
*
* @return Old interrupt priority level.
*
*/
static inline ipl_t interrupts_enable(void) {
ipl_t v;
asm volatile (
__asm__ volatile (
"pushfq\n"
"popq %[v]\n"
"popq %0\n"
"sti\n"
: [v] "=r" (v)
: "=r" (v)
);
return v;
}
 
221,18 → 123,15
* value of EFLAGS.
*
* @return Old interrupt priority level.
*
*/
static inline ipl_t interrupts_disable(void) {
ipl_t v;
asm volatile (
__asm__ volatile (
"pushfq\n"
"popq %[v]\n"
"popq %0\n"
"cli\n"
: [v] "=r" (v)
);
: "=r" (v)
);
return v;
}
 
241,14 → 140,13
* Restore EFLAGS.
*
* @param ipl Saved interrupt priority level.
*
*/
static inline void interrupts_restore(ipl_t ipl) {
asm volatile (
"pushq %[ipl]\n"
__asm__ volatile (
"pushq %0\n"
"popfq\n"
:: [ipl] "r" (ipl)
);
: : "r" (ipl)
);
}
 
/** Return interrupt priority level.
256,17 → 154,14
* Return EFLAFS.
*
* @return Current interrupt priority level.
*
*/
static inline ipl_t interrupts_read(void) {
ipl_t v;
asm volatile (
__asm__ volatile (
"pushfq\n"
"popq %[v]\n"
: [v] "=r" (v)
"popq %0\n"
: "=r" (v)
);
return v;
}
 
273,25 → 168,21
/** Write to MSR */
static inline void write_msr(uint32_t msr, uint64_t value)
{
asm volatile (
"wrmsr\n"
:: "c" (msr),
"a" ((uint32_t) (value)),
"d" ((uint32_t) (value >> 32))
);
__asm__ volatile (
"wrmsr;" : : "c" (msr),
"a" ((uint32_t)(value)),
"d" ((uint32_t)(value >> 32))
);
}
 
static inline unative_t read_msr(uint32_t msr)
{
uint32_t ax, dx;
asm volatile (
"rdmsr\n"
: "=a" (ax), "=d" (dx)
: "c" (msr)
);
return ((uint64_t) dx << 32) | ax;
 
__asm__ volatile (
"rdmsr;" : "=a"(ax), "=d"(dx) : "c" (msr)
);
return ((uint64_t)dx << 32) | ax;
}
 
 
298,29 → 189,29
/** Enable local APIC
*
* Enable local APIC in MSR.
*
*/
static inline void enable_l_apic_in_msr()
{
asm volatile (
__asm__ volatile (
"movl $0x1b, %%ecx\n"
"rdmsr\n"
"orl $(1 << 11),%%eax\n"
"orl $(1<<11),%%eax\n"
"orl $(0xfee00000),%%eax\n"
"wrmsr\n"
::: "%eax","%ecx","%edx"
);
:
:
:"%eax","%ecx","%edx"
);
}
 
static inline uintptr_t * get_ip()
{
uintptr_t *ip;
asm volatile (
"mov %%rip, %[ip]"
: [ip] "=r" (ip)
);
 
__asm__ volatile (
"mov %%rip, %0"
: "=r" (ip)
);
return ip;
}
 
327,84 → 218,59
/** Invalidate TLB Entry.
*
* @param addr Address on a page whose TLB entry is to be invalidated.
*
*/
static inline void invlpg(uintptr_t addr)
{
asm volatile (
"invlpg %[addr]\n"
:: [addr] "m" (*((unative_t *) addr))
);
__asm__ volatile ("invlpg %0\n" :: "m" (*((unative_t *)addr)));
}
 
/** Load GDTR register from memory.
*
* @param gdtr_reg Address of memory from where to load GDTR.
*
*/
static inline void gdtr_load(ptr_16_64_t *gdtr_reg)
static inline void gdtr_load(struct ptr_16_64 *gdtr_reg)
{
asm volatile (
"lgdtq %[gdtr_reg]\n"
:: [gdtr_reg] "m" (*gdtr_reg)
);
__asm__ volatile ("lgdtq %0\n" : : "m" (*gdtr_reg));
}
 
/** Store GDTR register to memory.
*
* @param gdtr_reg Address of memory to where to load GDTR.
*
*/
static inline void gdtr_store(ptr_16_64_t *gdtr_reg)
static inline void gdtr_store(struct ptr_16_64 *gdtr_reg)
{
asm volatile (
"sgdtq %[gdtr_reg]\n"
:: [gdtr_reg] "m" (*gdtr_reg)
);
__asm__ volatile ("sgdtq %0\n" : : "m" (*gdtr_reg));
}
 
/** Load IDTR register from memory.
*
* @param idtr_reg Address of memory from where to load IDTR.
*
*/
static inline void idtr_load(ptr_16_64_t *idtr_reg)
static inline void idtr_load(struct ptr_16_64 *idtr_reg)
{
asm volatile (
"lidtq %[idtr_reg]\n"
:: [idtr_reg] "m" (*idtr_reg));
__asm__ volatile ("lidtq %0\n" : : "m" (*idtr_reg));
}
 
/** Load TR from descriptor table.
*
* @param sel Selector specifying descriptor of TSS segment.
*
*/
static inline void tr_load(uint16_t sel)
{
asm volatile (
"ltr %[sel]"
:: [sel] "r" (sel)
);
__asm__ volatile ("ltr %0" : : "r" (sel));
}
 
#define GEN_READ_REG(reg) static inline unative_t read_ ##reg (void) \
{ \
unative_t res; \
asm volatile ( \
"movq %%" #reg ", %[res]" \
: [res] "=r" (res) \
); \
return res; \
}
{ \
unative_t res; \
__asm__ volatile ("movq %%" #reg ", %0" : "=r" (res) ); \
return res; \
}
 
#define GEN_WRITE_REG(reg) static inline void write_ ##reg (unative_t regn) \
{ \
asm volatile ( \
"movq %[regn], %%" #reg \
:: [regn] "r" (regn) \
); \
}
{ \
__asm__ volatile ("movq %0, %%" #reg : : "r" (regn)); \
}
 
GEN_READ_REG(cr0)
GEN_READ_REG(cr2)
/branches/arm/kernel/arch/amd64/include/pm.h
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup amd64
/** @addtogroup amd64
* @{
*/
/** @file
36,60 → 36,63
#define KERN_amd64_PM_H_
 
#ifndef __ASM__
#include <arch/types.h>
#include <arch/context.h>
# include <arch/types.h>
# include <arch/context.h>
#endif
 
#define IDT_ITEMS 64
#define GDT_ITEMS 8
#define IDT_ITEMS 64
#define GDT_ITEMS 8
 
 
#define NULL_DES 0
/* Warning: Do not reorder the following items, unless you look into syscall.c! */
#define KTEXT_DES 1
#define KDATA_DES 2
#define UDATA_DES 3
#define UTEXT_DES 4
#define KTEXT32_DES 5
/* End of warning */
#define TSS_DES 6
#define NULL_DES 0
/* Warning: Do not reorder next items, unless you look into syscall.c!!! */
#define KTEXT_DES 1
#define KDATA_DES 2
#define UDATA_DES 3
#define UTEXT_DES 4
#define KTEXT32_DES 5
/* EndOfWarning */
#define TSS_DES 6
 
 
 
#ifdef CONFIG_FB
 
#define VESA_INIT_DES 8
#define VESA_INIT_SEGMENT 0x8000
#define VESA_INIT_DES 8
#define VESA_INIT_SEGMENT 0x8000
#undef GDT_ITEMS
#define GDT_ITEMS 9
 
#undef GDT_ITEMS
#define GDT_ITEMS 9
#endif /*CONFIG_FB*/
 
#endif /* CONFIG_FB */
 
#define gdtselector(des) ((des) << 3)
#define idtselector(des) ((des) << 4)
 
#define PL_KERNEL 0
#define PL_USER 3
#define gdtselector(des) ((des) << 3)
#define idtselector(des) ((des) << 4)
 
#define AR_PRESENT ( 1 << 7)
#define AR_DATA (2 << 3)
#define AR_CODE (3 << 3)
#define AR_WRITABLE (1 << 1)
#define AR_READABLE (1 << 1)
#define AR_TSS (0x09)
#define AR_INTERRUPT (0x0e)
#define AR_TRAP (0x0f)
#define PL_KERNEL 0
#define PL_USER 3
 
#define DPL_KERNEL (PL_KERNEL << 5)
#define DPL_USER (PL_USER << 5)
#define AR_PRESENT (1<<7)
#define AR_DATA (2<<3)
#define AR_CODE (3<<3)
#define AR_WRITABLE (1<<1)
#define AR_READABLE (1<<1)
#define AR_TSS (0x9)
#define AR_INTERRUPT (0xe)
#define AR_TRAP (0xf)
 
#define TSS_BASIC_SIZE 104
#define TSS_IOMAP_SIZE (16 * 1024 + 1) /* 16K for bitmap + 1 terminating byte for convenience */
#define DPL_KERNEL (PL_KERNEL<<5)
#define DPL_USER (PL_USER<<5)
 
#define IO_PORTS (64 * 1024)
#define TSS_BASIC_SIZE 104
#define TSS_IOMAP_SIZE (16*1024+1) /* 16K for bitmap + 1 terminating byte for convenience */
 
#define IO_PORTS (64*1024)
 
#ifndef __ASM__
 
typedef struct {
struct descriptor {
unsigned limit_0_15: 16;
unsigned base_0_15: 16;
unsigned base_16_23: 8;
100,9 → 103,10
unsigned special: 1;
unsigned granularity : 1;
unsigned base_24_31: 8;
} __attribute__ ((packed)) descriptor_t;
} __attribute__ ((packed));
typedef struct descriptor descriptor_t;
 
typedef struct {
struct tss_descriptor {
unsigned limit_0_15: 16;
unsigned base_0_15: 16;
unsigned base_16_23: 8;
117,9 → 121,10
unsigned base_24_31: 8;
unsigned base_32_63 : 32;
unsigned : 32;
} __attribute__ ((packed)) tss_descriptor_t;
} __attribute__ ((packed));
typedef struct tss_descriptor tss_descriptor_t;
 
typedef struct {
struct idescriptor {
unsigned offset_0_15: 16;
unsigned selector: 16;
unsigned ist:3;
130,19 → 135,22
unsigned offset_16_31: 16;
unsigned offset_32_63: 32;
unsigned : 32;
} __attribute__ ((packed)) idescriptor_t;
} __attribute__ ((packed));
typedef struct idescriptor idescriptor_t;
 
typedef struct {
struct ptr_16_64 {
uint16_t limit;
uint64_t base;
} __attribute__ ((packed)) ptr_16_64_t;
} __attribute__ ((packed));
typedef struct ptr_16_64 ptr_16_64_t;
 
typedef struct {
struct ptr_16_32 {
uint16_t limit;
uint32_t base;
} __attribute__ ((packed)) ptr_16_32_t;
} __attribute__ ((packed));
typedef struct ptr_16_32 ptr_16_32_t;
 
typedef struct {
struct tss {
uint32_t reserve1;
uint64_t rsp0;
uint64_t rsp1;
159,7 → 167,8
uint16_t reserve4;
uint16_t iomap_base;
uint8_t iomap[TSS_IOMAP_SIZE];
} __attribute__ ((packed)) tss_t;
} __attribute__ ((packed));
typedef struct tss tss_t;
 
extern tss_t *tss_p;
 
/branches/arm/kernel/arch/amd64/include/syscall.h
35,6 → 35,8
#ifndef KERN_amd64_SYSCALL_H_
#define KERN_amd64_SYSCALL_H_
 
#include <arch/types.h>
 
extern void syscall_setup_cpu(void);
 
#endif
/branches/arm/kernel/arch/amd64/include/boot/boot.h
42,17 → 42,8
#define MULTIBOOT_HEADER_MAGIC 0x1BADB002
#define MULTIBOOT_HEADER_FLAGS 0x00010003
 
#ifndef __ASM__
#define MULTIBOOT_LOADER_MAGIC 0x2BADB002
 
#ifdef CONFIG_SMP
 
/* This is only a symbol so the type is dummy. Obtain the value using &. */
extern int _hardcoded_unmapped_size;
 
#endif /* CONFIG_SMP */
 
#endif /* __ASM__ */
 
#endif
 
/** @}
/branches/arm/kernel/arch/amd64/include/arch.h
35,10 → 35,6
#ifndef KERN_amd64_ARCH_H_
#define KERN_amd64_ARCH_H_
 
#include <genarch/multiboot/multiboot.h>
 
extern void arch_pre_main(uint32_t, const multiboot_info_t *);
 
#endif
 
/** @}
/branches/arm/kernel/arch/amd64/include/drivers
File deleted
\ No newline at end of file
Property changes:
Deleted: svn:special
-*
\ No newline at end of property
/branches/arm/kernel/arch/amd64/include/drivers/vesa.h
0,0 → 1,44
/*
* Copyright (c) 2006-2006 Jakub Vana
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup amd64
* @{
*/
/** @file
*/
 
#ifndef KERN_amd64_VESA_H_
#define KERN_amd64_VESA_H_
 
int vesa_present(void);
void vesa_init(void);
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/amd64/include/drivers/i8254.h
0,0 → 1,0
link ../../../ia32/include/drivers/i8254.h
Property changes:
Added: svn:special
+*
\ No newline at end of property
/branches/arm/kernel/arch/amd64/include/drivers/i8259.h
0,0 → 1,0
link ../../../ia32/include/drivers/i8259.h
Property changes:
Added: svn:special
+*
\ No newline at end of property
/branches/arm/kernel/arch/amd64/include/drivers/ega.h
0,0 → 1,0
link ../../../ia32/include/drivers/ega.h
Property changes:
Added: svn:special
+*
\ No newline at end of property
/branches/arm/kernel/arch/amd64/include/drivers/i8042.h
0,0 → 1,0
link ../../../ia32/include/drivers/i8042.h
Property changes:
Added: svn:special
+*
\ No newline at end of property
/branches/arm/kernel/arch/amd64/Makefile.inc
29,6 → 29,10
## Toolchain configuration
#
 
ifndef CROSS_PREFIX
CROSS_PREFIX = /usr/local
endif
 
BFD_NAME = elf64-x86-64
BFD_ARCH = i386:x86-64
BFD = binary
41,51 → 45,83
ICC_CFLAGS += $(CMN1)
SUNCC_CFLAGS += -m64 -xmodel=kernel
 
BITS = 64
ENDIANESS = LE
DEFS += -DMACHINE=$(MACHINE) -D__64_BITS__
 
## Accepted CPUs
#
 
ifeq ($(PROCESSOR),opteron)
ifeq ($(MACHINE),opteron)
CMN2 := -march=opteron
GCC_CFLAGS += $(CMN2)
ICC_CFLAGS += $(CMN2)
SUNCC_CFLAGS += -xtarget=opteron
DEFS += -DFENCES=p4
endif
 
## Own configuration directives
#
 
CONFIG_ACPI = y
 
## Compile with hierarchical page tables support.
#
 
CONFIG_PAGE_PT = y
DEFS += -DCONFIG_PAGE_PT
 
## Compile with i8042 support.
#
 
CONFIG_I8042 = y
DEFS += -DCONFIG_I8042
 
## Accepted configuration directives
#
 
ifeq ($(CONFIG_SMP),y)
DEFS += -DCONFIG_SMP
endif
ifeq ($(CONFIG_HT),y)
DEFS += -DCONFIG_HT
endif
 
ifeq ($(CONFIG_SIMICS_FIX),y)
DEFS += -DCONFIG_SIMICS_FIX
endif
 
ARCH_SOURCES = \
arch/$(KARCH)/src/fpu_context.c \
arch/$(KARCH)/src/boot/boot.S \
arch/$(KARCH)/src/boot/memmap.c \
arch/$(KARCH)/src/pm.c \
arch/$(KARCH)/src/context.S \
arch/$(KARCH)/src/ddi/ddi.c \
arch/$(KARCH)/src/drivers/vesa.c \
arch/$(KARCH)/src/drivers/i8254.c \
arch/$(KARCH)/src/drivers/i8259.c \
arch/$(KARCH)/src/delay.S \
arch/$(KARCH)/src/amd64.c \
arch/$(KARCH)/src/bios/bios.c \
arch/$(KARCH)/src/interrupt.c \
arch/$(KARCH)/src/mm/as.c \
arch/$(KARCH)/src/mm/frame.c \
arch/$(KARCH)/src/mm/page.c \
arch/$(KARCH)/src/mm/tlb.c \
arch/$(KARCH)/src/asm_utils.S \
arch/$(KARCH)/src/cpu/cpu.c \
arch/$(KARCH)/src/proc/scheduler.c \
arch/$(KARCH)/src/proc/task.c \
arch/$(KARCH)/src/proc/thread.c \
arch/$(KARCH)/src/userspace.c \
arch/$(KARCH)/src/syscall.c \
arch/$(KARCH)/src/debugger.c
arch/$(ARCH)/src/fpu_context.c \
arch/$(ARCH)/src/boot/boot.S \
arch/$(ARCH)/src/boot/memmap.c \
arch/$(ARCH)/src/pm.c \
arch/$(ARCH)/src/context.S \
arch/$(ARCH)/src/ddi/ddi.c \
arch/$(ARCH)/src/drivers/ega.c \
arch/$(ARCH)/src/drivers/vesa.c \
arch/$(ARCH)/src/drivers/i8254.c \
arch/$(ARCH)/src/drivers/i8259.c \
arch/$(ARCH)/src/delay.S \
arch/$(ARCH)/src/amd64.c \
arch/$(ARCH)/src/bios/bios.c \
arch/$(ARCH)/src/interrupt.c \
arch/$(ARCH)/src/mm/as.c \
arch/$(ARCH)/src/mm/frame.c \
arch/$(ARCH)/src/mm/page.c \
arch/$(ARCH)/src/mm/tlb.c \
arch/$(ARCH)/src/asm_utils.S \
arch/$(ARCH)/src/cpu/cpu.c \
arch/$(ARCH)/src/proc/scheduler.c \
arch/$(ARCH)/src/proc/task.c \
arch/$(ARCH)/src/proc/thread.c \
arch/$(ARCH)/src/userspace.c \
arch/$(ARCH)/src/syscall.c \
arch/$(ARCH)/src/debugger.c
 
ifeq ($(CONFIG_SMP),y)
ARCH_SOURCES += \
arch/$(KARCH)/src/smp/ap.S \
arch/$(KARCH)/src/smp/apic.c \
arch/$(KARCH)/src/smp/ipi.c \
arch/$(KARCH)/src/smp/mps.c \
arch/$(KARCH)/src/smp/smp.c
arch/$(ARCH)/src/smp/ap.S \
arch/$(ARCH)/src/smp/apic.c \
arch/$(ARCH)/src/smp/ipi.c \
arch/$(ARCH)/src/smp/mps.c \
arch/$(ARCH)/src/smp/smp.c
endif
/branches/arm/kernel/arch/amd64/src/asm_utils.S
26,17 → 26,23
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
 
#define IREGISTER_SPACE 72
#define IREGISTER_SPACE 120
 
#define IOFFSET_RAX 0x0
#define IOFFSET_RCX 0x8
#define IOFFSET_RDX 0x10
#define IOFFSET_RSI 0x18
#define IOFFSET_RDI 0x20
#define IOFFSET_R8 0x28
#define IOFFSET_R9 0x30
#define IOFFSET_R10 0x38
#define IOFFSET_R11 0x40
#define IOFFSET_RAX 0x0
#define IOFFSET_RBX 0x8
#define IOFFSET_RCX 0x10
#define IOFFSET_RDX 0x18
#define IOFFSET_RSI 0x20
#define IOFFSET_RDI 0x28
#define IOFFSET_R8 0x30
#define IOFFSET_R9 0x38
#define IOFFSET_R10 0x40
#define IOFFSET_R11 0x48
#define IOFFSET_R12 0x50
#define IOFFSET_R13 0x58
#define IOFFSET_R14 0x60
#define IOFFSET_R15 0x68
#define IOFFSET_RBP 0x70
 
# Mask for interrupts 0 - 31 (bits 0 - 31) where 0 means that int has no error word
# and 1 means interrupt with error word
167,7 → 173,7
rdmsr
ret
 
# Push all volatile general purpose registers on stack
# Push all general purpose registers on stack except %rbp, %rsp
.macro save_all_gpr
movq %rax, IOFFSET_RAX(%rsp)
movq %rcx, IOFFSET_RCX(%rsp)
178,6 → 184,14
movq %r9, IOFFSET_R9(%rsp)
movq %r10, IOFFSET_R10(%rsp)
movq %r11, IOFFSET_R11(%rsp)
#ifdef CONFIG_DEBUG_ALLREGS
movq %rbx, IOFFSET_RBX(%rsp)
movq %rbp, IOFFSET_RBP(%rsp)
movq %r12, IOFFSET_R12(%rsp)
movq %r13, IOFFSET_R13(%rsp)
movq %r14, IOFFSET_R14(%rsp)
movq %r15, IOFFSET_R15(%rsp)
#endif
.endm
 
.macro restore_all_gpr
190,9 → 204,21
movq IOFFSET_R9(%rsp), %r9
movq IOFFSET_R10(%rsp), %r10
movq IOFFSET_R11(%rsp), %r11
#ifdef CONFIG_DEBUG_ALLREGS
movq IOFFSET_RBX(%rsp), %rbx
movq IOFFSET_RBP(%rsp), %rbp
movq IOFFSET_R12(%rsp), %r12
movq IOFFSET_R13(%rsp), %r13
movq IOFFSET_R14(%rsp), %r14
movq IOFFSET_R15(%rsp), %r15
#endif
.endm
 
#define INTERRUPT_ALIGN 128
#ifdef CONFIG_DEBUG_ALLREGS
# define INTERRUPT_ALIGN 256
#else
# define INTERRUPT_ALIGN 128
#endif
## Declare interrupt handlers
#
/branches/arm/kernel/arch/amd64/src/userspace.c
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup amd64
/** @addtogroup amd64
* @{
*/
/** @file
47,33 → 47,36
*/
void userspace(uspace_arg_t *kernel_uarg)
{
ipl_t ipl = interrupts_disable();
ipl_t ipl;
/* Clear CF, PF, AF, ZF, SF, DF, OF */
ipl = interrupts_disable();
 
/* Clear CF,PF,AF,ZF,SF,DF,OF */
ipl &= ~(0xcd4);
 
asm volatile (""
"pushq %0\n"
"pushq %1\n"
"pushq %2\n"
"pushq %3\n"
"pushq %4\n"
"movq %5, %%rax\n"
/* %rdi is defined to hold pcb_ptr - set it to 0 */
"xorq %%rdi, %%rdi\n"
"iretq\n"
: :
"i" (gdtselector(UDATA_DES) | PL_USER),
"r" (kernel_uarg->uspace_stack+THREAD_STACK_SIZE),
"r" (ipl),
"i" (gdtselector(UTEXT_DES) | PL_USER),
"r" (kernel_uarg->uspace_entry),
"r" (kernel_uarg->uspace_uarg)
: "rax"
);
asm volatile (
"pushq %[udata_des]\n"
"pushq %[stack_size]\n"
"pushq %[ipl]\n"
"pushq %[utext_des]\n"
"pushq %[entry]\n"
"movq %[uarg], %%rax\n"
/* %rdi is defined to hold pcb_ptr - set it to 0 */
"xorq %%rdi, %%rdi\n"
"iretq\n"
:: [udata_des] "i" (gdtselector(UDATA_DES) | PL_USER),
[stack_size] "r" (kernel_uarg->uspace_stack + THREAD_STACK_SIZE),
[ipl] "r" (ipl),
[utext_des] "i" (gdtselector(UTEXT_DES) | PL_USER),
[entry] "r" (kernel_uarg->uspace_entry),
[uarg] "r" (kernel_uarg->uspace_uarg)
: "rax"
);
/* Unreachable */
while (1);
for(;;)
;
}
 
/** @}
/branches/arm/kernel/arch/amd64/src/debugger.c
35,6 → 35,7
#include <arch/debugger.h>
#include <console/kconsole.h>
#include <console/cmd.h>
#include <symtab.h>
#include <print.h>
#include <panic.h>
#include <interrupt.h>
43,7 → 44,6
#include <debug.h>
#include <func.h>
#include <smp/ipi.h>
#include <symtab.h>
 
typedef struct {
uintptr_t address; /**< Breakpoint address */
54,8 → 54,6
static bpinfo_t breakpoints[BKPOINTS_MAX];
SPINLOCK_INITIALIZE(bkpoint_lock);
 
#ifdef CONFIG_KCONSOLE
 
static int cmd_print_breakpoints(cmd_arg_t *argv);
static cmd_info_t bkpts_info = {
.name = "bkpts",
64,6 → 62,8
.argc = 0,
};
 
#ifndef CONFIG_DEBUG_AS_WATCHPOINT
 
static int cmd_del_breakpoint(cmd_arg_t *argv);
static cmd_arg_t del_argv = {
.type = ARG_TYPE_INT
99,8 → 99,44
.argv = &addw_argv
};
 
#endif /* CONFIG_KCONSOLE */
#endif
 
/** Print table of active breakpoints */
int cmd_print_breakpoints(cmd_arg_t *argv __attribute__((unused)))
{
unsigned int i;
char *symbol;
 
#ifdef __32_BITS__
printf("# Count Address In symbol\n");
printf("-- ----- ---------- ---------\n");
#endif
 
#ifdef __64_BITS__
printf("# Count Address In symbol\n");
printf("-- ----- ------------------ ---------\n");
#endif
for (i = 0; i < BKPOINTS_MAX; i++)
if (breakpoints[i].address) {
symbol = get_symtab_entry(breakpoints[i].address);
 
#ifdef __32_BITS__
printf("%-2u %-5d %#10zx %s\n", i,
breakpoints[i].counter, breakpoints[i].address,
symbol);
#endif
 
#ifdef __64_BITS__
printf("%-2u %-5d %#18zx %s\n", i,
breakpoints[i].counter, breakpoints[i].address,
symbol);
#endif
 
}
return 1;
}
 
/* Setup DR register according to table */
static void setup_dr(int curidx)
{
201,16 → 237,16
 
/* Send IPI */
#ifdef CONFIG_SMP
// ipi_broadcast(VECTOR_DEBUG_IPI);
// ipi_broadcast(VECTOR_DEBUG_IPI);
#endif
 
return curidx;
}
 
#ifdef __64_BITS__
#define getip(x) ((x)->rip)
#ifdef amd64
# define getip(x) ((x)->rip)
#else
#define getip(x) ((x)->eip)
# define getip(x) ((x)->eip)
#endif
 
static void handle_exception(int slot, istate_t *istate)
229,15 → 265,12
*((unative_t *) breakpoints[slot].address));
}
}
 
printf("Reached breakpoint %d:%lx (%s)\n", slot, getip(istate),
symtab_fmt_name_lookup(getip(istate)));
 
#ifdef CONFIG_KCONSOLE
atomic_set(&haltstate, 1);
kconsole("debug", "Debug console ready.\n", false);
atomic_set(&haltstate, 0);
#endif
printf("Reached breakpoint %d:%lx(%s)\n", slot, getip(istate),
get_symtab_entry(getip(istate)));
printf("***Type 'exit' to exit kconsole.\n");
atomic_set(&haltstate,1);
kconsole((void *) "debug");
atomic_set(&haltstate,0);
}
 
void breakpoint_del(int slot)
266,8 → 299,42
#endif
}
 
#ifndef CONFIG_DEBUG_AS_WATCHPOINT
 
/** Remove breakpoint from table */
int cmd_del_breakpoint(cmd_arg_t *argv)
{
unative_t bpno = argv->intval;
if (bpno > BKPOINTS_MAX) {
printf("Invalid breakpoint number.\n");
return 0;
}
breakpoint_del(argv->intval);
return 1;
}
 
/** Add new breakpoint to table */
static int cmd_add_breakpoint(cmd_arg_t *argv)
{
int flags;
int id;
 
if (argv == &add_argv) {
flags = BKPOINT_INSTR;
} else { /* addwatchp */
flags = BKPOINT_WRITE;
}
printf("Adding breakpoint on address: %p\n", argv->intval);
id = breakpoint_add((void *)argv->intval, flags, -1);
if (id < 0)
printf("Add breakpoint failed.\n");
else
printf("Added breakpoint %d.\n", id);
return 1;
}
#endif
 
static void debug_exception(int n __attribute__((unused)), istate_t *istate)
{
unative_t dr6;
274,7 → 341,7
int i;
/* Set RF to restart the instruction */
#ifdef __64_BITS__
#ifdef amd64
istate->rflags |= RFLAGS_RF;
#else
istate->eflags |= EFLAGS_RF;
312,24 → 379,24
 
for (i = 0; i < BKPOINTS_MAX; i++)
breakpoints[i].address = NULL;
 
#ifdef CONFIG_KCONSOLE
cmd_initialize(&bkpts_info);
if (!cmd_register(&bkpts_info))
printf("Cannot register command %s\n", bkpts_info.name);
panic("could not register command %s\n", bkpts_info.name);
 
#ifndef CONFIG_DEBUG_AS_WATCHPOINT
cmd_initialize(&delbkpt_info);
if (!cmd_register(&delbkpt_info))
printf("Cannot register command %s\n", delbkpt_info.name);
panic("could not register command %s\n", delbkpt_info.name);
 
cmd_initialize(&addbkpt_info);
if (!cmd_register(&addbkpt_info))
printf("Cannot register command %s\n", addbkpt_info.name);
panic("could not register command %s\n", addbkpt_info.name);
 
cmd_initialize(&addwatchp_info);
if (!cmd_register(&addwatchp_info))
printf("Cannot register command %s\n", addwatchp_info.name);
#endif /* CONFIG_KCONSOLE */
panic("could not register command %s\n", addwatchp_info.name);
#endif
exc_register(VECTOR_DEBUG, "debugger", debug_exception);
#ifdef CONFIG_SMP
337,77 → 404,5
#endif
}
 
#ifdef CONFIG_KCONSOLE
/** Print table of active breakpoints */
int cmd_print_breakpoints(cmd_arg_t *argv __attribute__((unused)))
{
unsigned int i;
char *symbol;
 
#ifdef __32_BITS__
printf("# Count Address In symbol\n");
printf("-- ----- ---------- ---------\n");
#endif
 
#ifdef __64_BITS__
printf("# Count Address In symbol\n");
printf("-- ----- ------------------ ---------\n");
#endif
for (i = 0; i < BKPOINTS_MAX; i++)
if (breakpoints[i].address) {
symbol = symtab_fmt_name_lookup(
breakpoints[i].address);
 
#ifdef __32_BITS__
printf("%-2u %-5d %#10zx %s\n", i,
breakpoints[i].counter, breakpoints[i].address,
symbol);
#endif
 
#ifdef __64_BITS__
printf("%-2u %-5d %#18zx %s\n", i,
breakpoints[i].counter, breakpoints[i].address,
symbol);
#endif
 
}
return 1;
}
 
/** Remove breakpoint from table */
int cmd_del_breakpoint(cmd_arg_t *argv)
{
unative_t bpno = argv->intval;
if (bpno > BKPOINTS_MAX) {
printf("Invalid breakpoint number.\n");
return 0;
}
breakpoint_del(argv->intval);
return 1;
}
 
/** Add new breakpoint to table */
static int cmd_add_breakpoint(cmd_arg_t *argv)
{
int flags;
int id;
 
if (argv == &add_argv) {
flags = BKPOINT_INSTR;
} else { /* addwatchp */
flags = BKPOINT_WRITE;
}
printf("Adding breakpoint on address: %p\n", argv->intval);
id = breakpoint_add((void *)argv->intval, flags, -1);
if (id < 0)
printf("Add breakpoint failed.\n");
else
printf("Added breakpoint %d.\n", id);
return 1;
}
#endif /* CONFIG_KCONSOLE */
 
/** @}
*/
/branches/arm/kernel/arch/amd64/src/pm.c
137,8 → 137,8
 
void gdt_tss_setlimit(descriptor_t *d, uint32_t limit)
{
tss_descriptor_t *td = (tss_descriptor_t *) d;
struct tss_descriptor *td = (tss_descriptor_t *) d;
 
td->limit_0_15 = limit & 0xffff;
td->limit_16_19 = (limit >> 16) & 0xf;
}
185,14 → 185,14
*/
void pm_init(void)
{
descriptor_t *gdt_p = (descriptor_t *) gdtr.base;
descriptor_t *gdt_p = (struct descriptor *) gdtr.base;
tss_descriptor_t *tss_desc;
 
/*
* Each CPU has its private GDT and TSS.
* All CPUs share one IDT.
*/
 
if (config.cpu_active == 1) {
idt_init();
/*
200,19 → 200,20
* the heap hasn't been initialized so far.
*/
tss_p = &tss;
} else {
}
else {
/* We are going to use malloc, which may return
* non boot-mapped pointer, initialize the CR3 register
* ahead of page_init */
write_cr3((uintptr_t) AS_KERNEL->genarch.page_table);
tss_p = (tss_t *) malloc(sizeof(tss_t), FRAME_ATOMIC);
 
tss_p = (struct tss *) malloc(sizeof(tss_t), FRAME_ATOMIC);
if (!tss_p)
panic("Cannot allocate TSS.");
panic("could not allocate TSS\n");
}
 
tss_initialize(tss_p);
 
tss_desc = (tss_descriptor_t *) (&gdt_p[TSS_DES]);
tss_desc->present = 1;
tss_desc->type = AR_TSS;
220,7 → 221,7
gdt_tss_setbase(&gdt_p[TSS_DES], (uintptr_t) tss_p);
gdt_tss_setlimit(&gdt_p[TSS_DES], TSS_BASIC_SIZE - 1);
 
gdtr_load(&gdtr);
idtr_load(&idtr);
/*
230,5 → 231,24
tr_load(gdtselector(TSS_DES));
}
 
/* Reboot the machine by initiating
* a triple fault
*/
void arch_reboot(void)
{
preemption_disable();
ipl_t ipl = interrupts_disable();
memsetb(idt, sizeof(idt), 0);
idtr_load(&idtr);
interrupts_restore(ipl);
asm volatile (
"int $0x03\n"
"cli\n"
"hlt\n"
);
}
 
/** @}
*/
/branches/arm/kernel/arch/amd64/src/proc/scheduler.c
39,6 → 39,7
#include <arch.h>
#include <arch/context.h> /* SP_DELTA */
#include <arch/asm.h>
#include <arch/debugger.h>
#include <print.h>
#include <arch/pm.h>
#include <arch/ddi/ddi.h>
67,6 → 68,13
 
/* TLS support - set FS to thread local storage */
write_msr(AMD_MSR_FS, THREAD->arch.tls);
 
#ifdef CONFIG_DEBUG_AS_WATCHPOINT
/* Set watchpoint on AS to ensure that nobody sets it to zero */
if (CPU->id < BKPOINTS_MAX)
breakpoint_add(&((the_t *) THREAD->kstack)->as,
BKPOINT_WRITE | BKPOINT_CHECK_ZERO, CPU->id);
#endif
}
 
void after_thread_ran_arch(void)
/branches/arm/kernel/arch/amd64/src/boot/vesa_prot.inc
File deleted
\ No newline at end of file
Property changes:
Deleted: svn:special
-*
\ No newline at end of property
/branches/arm/kernel/arch/amd64/src/boot/vesa_real.inc
File deleted
\ No newline at end of file
Property changes:
Deleted: svn:special
-*
\ No newline at end of property
/branches/arm/kernel/arch/amd64/src/boot/vesa_ret.inc
File deleted
/branches/arm/kernel/arch/amd64/src/boot/boot.S
1,4 → 1,4
#
 
# Copyright (c) 2005 Ondrej Palkovsky
# Copyright (c) 2006 Martin Decky
# Copyright (c) 2008 Jakub Jermar
37,7 → 37,7
#include <arch/cpuid.h>
 
#define START_STACK (BOOT_OFFSET - BOOT_STACK_SIZE)
 
.section K_TEXT_START, "ax"
 
.code32
46,7 → 46,7
multiboot_header:
.long MULTIBOOT_HEADER_MAGIC
.long MULTIBOOT_HEADER_FLAGS
.long -(MULTIBOOT_HEADER_MAGIC + MULTIBOOT_HEADER_FLAGS) # checksum
.long -(MULTIBOOT_HEADER_MAGIC + MULTIBOOT_HEADER_FLAGS) # checksum
.long multiboot_header
.long unmapped_ktext_start
.long 0
55,19 → 55,15
 
multiboot_image_start:
cld
movl $START_STACK, %esp # initialize stack pointer
lgdtl bootstrap_gdtr # initialize Global Descriptor Table register
movl $START_STACK, %esp # initialize stack pointer
lgdtl bootstrap_gdtr # initialize Global Descriptor Table register
 
movw $gdtselector(KDATA_DES), %cx
movw %cx, %es
movw %cx, %ds # kernel data + stack
movw %cx, %ds # kernel data + stack
movw %cx, %ss
#
# Simics seems to remove hidden part of GS on entering user mode
# when _visible_ part of GS does not point to user-mode segment.
#
# when _visible_ part of GS does not point to user-mode segment
movw $gdtselector(UDATA_DES), %cx
movw %cx, %fs
movw %cx, %gs
75,19 → 71,17
jmpl $gdtselector(KTEXT32_DES), $multiboot_meeting_point
multiboot_meeting_point:
movl %eax, grub_eax # save parameters from GRUB
movl %eax, grub_eax # save parameters from GRUB
movl %ebx, grub_ebx
#
# Protected 32-bit. We want to reuse the code-seg descriptor,
# the Default operand size must not be 1 when entering long mode.
#
# the Default operand size must not be 1 when entering long mode
movl $(INTEL_CPUID_EXTENDED), %eax
cpuid
cmp $(INTEL_CPUID_EXTENDED), %eax
movl $(INTEL_CPUID_EXTENDED), %eax
cpuid
cmp $(INTEL_CPUID_EXTENDED), %eax
ja extended_cpuid_supported
movl $extended_cpuid_msg, %esi
jmp error_halt
96,11 → 90,11
movl $(AMD_CPUID_EXTENDED), %eax
cpuid
bt $(AMD_EXT_LONG_MODE), %edx
jc long_mode_supported
jc long_mode_supported
movl $long_mode_msg, %esi
jmp error_halt
 
long_mode_supported:
bt $(AMD_EXT_NOEXECUTE), %edx
114,7 → 108,7
movl $(INTEL_CPUID_STANDARD), %eax
cpuid
bt $(INTEL_FXSAVE), %edx
jc fx_supported
jc fx_supported
movl $fx_msg, %esi
jmp error_halt
122,43 → 116,59
fx_supported:
bt $(INTEL_SSE2), %edx
jc sse2_supported
jc sse2_supported
movl $sse2_msg, %esi
jmp error_halt
sse2_supported:
#ifdef CONFIG_FB
mov $vesa_init, %esi
mov $VESA_INIT_SEGMENT << 4, %edi
mov $e_vesa_init - vesa_init, %ecx
rep movsb
 
#include "vesa_prot.inc"
 
#
mov $VESA_INIT_SEGMENT << 4, %edi
jmpl *%edi
vesa_meeting_point:
mov %esi, KA2PA(vesa_ph_addr)
mov %di, KA2PA(vesa_height)
shr $16, %edi
mov %di, KA2PA(vesa_width)
mov %bx, KA2PA(vesa_scanline)
shr $16, %ebx
mov %bx, KA2PA(vesa_bpp)
#endif
# Enable 64-bit page translation entries - CR4.PAE = 1.
# Paging is not enabled until after long mode is enabled.
#
# Paging is not enabled until after long mode is enabled
movl %cr4, %eax
btsl $5, %eax
movl %eax, %cr4
 
# Set up paging tables
# set up paging tables
leal ptl_0, %eax
movl %eax, %cr3
# enable long mode
# Enable long mode
movl $EFER_MSR_NUM, %ecx # EFER MSR number
rdmsr # read EFER
btsl $AMD_LME_FLAG, %eax # set LME = 1
wrmsr # write EFER
movl $EFER_MSR_NUM, %ecx # EFER MSR number
rdmsr # Read EFER
btsl $AMD_LME_FLAG, %eax # Set LME = 1
wrmsr # Write EFER
# enable paging to activate long mode (set CR0.PG = 1)
# Enable paging to activate long mode (set CR0.PG = 1)
movl %cr0, %eax
btsl $31, %eax
movl %eax, %cr0
# at this point we are in compatibility mode
# At this point we are in compatibility mode
jmpl $gdtselector(KTEXT_DES), $start64
 
165,29 → 175,362
.code64
start64:
movq $(PA2KA(START_STACK)), %rsp
movl grub_eax, %eax
movl grub_ebx, %ebx
# call arch_pre_main(grub_eax, grub_ebx)
xorq %rdi, %rdi
movl grub_eax, %edi
xorq %rsi, %rsi
movl grub_ebx, %esi
call arch_pre_main
cmpl $MULTIBOOT_LOADER_MAGIC, %eax # compare GRUB signature
je valid_boot
xorl %ecx, %ecx # no memory size or map available
movl %ecx, e820counter
jmp invalid_boot
valid_boot:
movl (%ebx), %eax # ebx = physical address of struct multiboot_info
bt $3, %eax # mbi->flags[3] (mods_count, mods_addr valid)
jc mods_valid
xorq %rcx, %rcx
movq %rcx, init
jmp mods_end
mods_valid:
xorq %rcx, %rcx
movl 20(%ebx), %ecx # mbi->mods_count
movq %rcx, init
cmpl $0, %ecx
je mods_end
movl 24(%ebx), %esi # mbi->mods_addr
movq $init, %rdi
mods_loop:
xorq %rdx, %rdx
movl 0(%esi), %edx # mods->mod_start
movq $0xffff800000000000, %r10
addq %r10, %rdx
movq %rdx, 8(%rdi)
xorq %rdx, %rdx
movl 4(%esi), %edx
subl 0(%esi), %edx # mods->mod_end - mods->mod_start
movq %rdx, 16(%rdi)
addl $16, %esi
addq $16, %rdi
loop mods_loop
mods_end:
bt $6, %eax # mbi->flags[6] (mmap_length, mmap_addr valid)
jc mmap_valid
xorl %edx, %edx
jmp mmap_invalid
mmap_valid:
movl 44(%ebx), %ecx # mbi->mmap_length
movl 48(%ebx), %esi # mbi->mmap_addr
movq $e820table, %rdi
xorl %edx, %edx
mmap_loop:
cmpl $0, %ecx
jle mmap_end
movl 4(%esi), %eax # mmap->base_addr_low
movl %eax, (%rdi)
movl 8(%esi), %eax # mmap->base_addr_high
movl %eax, 4(%rdi)
movl 12(%esi), %eax # mmap->length_low
movl %eax, 8(%rdi)
movl 16(%esi), %eax # mmap->length_high
movl %eax, 12(%rdi)
movl 20(%esi), %eax # mmap->type
movl %eax, 16(%rdi)
movl (%esi), %eax # mmap->size
addl $0x4, %eax
addl %eax, %esi
subl %eax, %ecx
addq $MEMMAP_E820_RECORD_SIZE, %rdi
incl %edx
jmp mmap_loop
mmap_end:
mmap_invalid:
movl %edx, e820counter
invalid_boot:
call main_bsp
#ifdef CONFIG_SMP
# not reached
# copy AP bootstrap routines below 1 MB
movq $BOOT_OFFSET, %rsi
movq $AP_BOOT_OFFSET, %rdi
movq $_hardcoded_unmapped_size, %rcx
rep movsb
#endif
call main_bsp # never returns
cli
hlt0:
hlt
jmp hlt0
hlt
 
#ifdef CONFIG_FB
.code32
vesa_init:
jmp $gdtselector(VESA_INIT_DES), $vesa_init_real - vesa_init
.code16
vesa_init_real:
mov %cr0, %eax
and $~1, %eax
mov %eax, %cr0
jmp $VESA_INIT_SEGMENT, $vesa_init_real2 - vesa_init
vesa_init_real2:
mov $VESA_INIT_SEGMENT, %bx
mov %bx, %es
mov %bx, %fs
mov %bx, %gs
mov %bx, %ds
mov %bx, %ss
movl $0x0000fffc, %esp
movl $0x0000fffc, %ebp
#define VESA_INFO_SIZE 1024
 
#define VESA_MODE_ATTRIBUTES_OFFSET 0
#define VESA_MODE_LIST_PTR_OFFSET 14
#define VESA_MODE_SCANLINE_OFFSET 16
#define VESA_MODE_WIDTH_OFFSET 18
#define VESA_MODE_HEIGHT_OFFSET 20
#define VESA_MODE_BPP_OFFSET 25
#define VESA_MODE_PHADDR_OFFSET 40
 
#define VESA_END_OF_MODES 0xffff
 
#define VESA_OK 0x4f
 
#define VESA_GET_INFO 0x4f00
#define VESA_GET_MODE_INFO 0x4f01
#define VESA_SET_MODE 0x4f02
#define VESA_SET_PALETTE 0x4f09
 
#define CONFIG_VESA_BPP_a 255
 
#if CONFIG_VESA_BPP == 24
#define CONFIG_VESA_BPP_VARIANT 32
#endif
 
mov $VESA_GET_INFO, %ax
mov $e_vesa_init - vesa_init, %di
push %di
int $0x10
pop %di
cmp $VESA_OK, %al
jnz 0f
mov 2 + VESA_MODE_LIST_PTR_OFFSET(%di), %si
mov %si, %gs
mov VESA_MODE_LIST_PTR_OFFSET(%di), %si
add $VESA_INFO_SIZE, %di
 
1:# Try next mode
mov %gs:(%si), %cx
cmp $VESA_END_OF_MODES, %cx
jz 0f
inc %si
inc %si
push %cx
push %di
push %si
mov $VESA_GET_MODE_INFO, %ax
int $0x10
pop %si
pop %di
pop %cx
cmp $VESA_OK, %al
jnz 0f
mov $CONFIG_VESA_WIDTH, %ax
cmp VESA_MODE_WIDTH_OFFSET(%di), %ax
jnz 1b
mov $CONFIG_VESA_HEIGHT, %ax
cmp VESA_MODE_HEIGHT_OFFSET(%di), %ax
jnz 1b
mov $CONFIG_VESA_BPP, %al
cmp VESA_MODE_BPP_OFFSET(%di), %al
 
#ifdef CONFIG_VESA_BPP_VARIANT
jz 2f
mov $CONFIG_VESA_BPP_VARIANT, %al
cmp VESA_MODE_BPP_OFFSET(%di), %al
#endif
jnz 1b
2:
mov %cx, %bx
or $0xc000, %bx
push %di
mov $VESA_SET_MODE, %ax
int $0x10
pop %di
cmp $VESA_OK, %al
jnz 0f
 
#if CONFIG_VESA_BPP == 8
# Set 3:2:3 VGA palette
mov VESA_MODE_ATTRIBUTES_OFFSET(%di), %ax
push %di
mov $vga323 - vesa_init, %di
mov $0x100, %ecx
bt $5, %ax # Test if VGA compatible registers are present
jnc vga_compat
# Try VESA routine to set palette
mov $VESA_SET_PALETTE, %ax
xor %bl, %bl
xor %dx, %dx
int $0x10
jmp vga_not_compat
vga_compat:
# Try VGA registers to set palette
movw $0x3c6, %dx # Set palette mask
movb $0xff, %al
outb %al, %dx
movw $0x3c8, %dx # First index to set
xor %al, %al
outb %al, %dx
movw $0x3c9, %dx # Data port
vga_loop:
movb %es:2(%di), %al
outb %al, %dx
movb %es:1(%di), %al
outb %al, %dx
movb %es:(%di), %al
outb %al, %dx
addw $4, %di
loop vga_loop
vga_not_compat:
pop %di
#endif
mov VESA_MODE_PHADDR_OFFSET(%di), %esi
mov VESA_MODE_WIDTH_OFFSET(%di), %ax
shl $16, %eax
mov VESA_MODE_HEIGHT_OFFSET(%di), %ax
mov VESA_MODE_BPP_OFFSET(%di), %bl
xor %bh, %bh
shl $16, %ebx
mov VESA_MODE_SCANLINE_OFFSET(%di), %bx
mov %eax, %edi
8:
mov %cr0, %eax
or $1, %eax
mov %eax, %cr0
jmp 9f
9:
ljmpl $gdtselector(KTEXT32_DES), $(vesa_init_protect - vesa_init + VESA_INIT_SEGMENT << 4)
0:# No prefered mode found
mov $0x111, %cx
push %di
push %cx
mov $VESA_GET_MODE_INFO, %ax
int $0x10
pop %cx
pop %di
cmp $VESA_OK, %al
jnz 1f
jz 2b # Force relative jump
 
1:
mov $0x0003, %ax
int $0x10
mov $0xffffffff, %edi # EGA text mode used, because of problems with VESA
xor %ax, %ax
jz 8b # Force relative jump
 
vga323:
#include "vga323.pal"
.code32
vesa_init_protect:
movw $gdtselector(KDATA_DES), %cx
movw %cx, %es
movw %cx, %ds # kernel data + stack
movw %cx, %ss
# Simics seems to remove hidden part of GS on entering user mode
# when _visible_ part of GS does not point to user-mode segment
movw $gdtselector(UDATA_DES), %cx
movw %cx, %fs
movw %cx, %gs
movl $START_STACK, %esp # initialize stack pointer
jmpl $gdtselector(KTEXT32_DES), $vesa_meeting_point
.align 4
e_vesa_init:
#endif
 
# Print string from %esi to EGA display (in red) and halt
error_halt:
movl $0xb8000, %edi # base of EGA text mode memory
movl $0xb8000, %edi # base of EGA text mode memory
xorl %eax, %eax
movw $0x3d4, %dx # read bits 8 - 15 of the cursor address
movw $0x3d4, %dx # read bits 8 - 15 of the cursor address
movb $0xe, %al
outb %al, %dx
195,7 → 538,7
inb %dx, %al
shl $8, %ax
movw $0x3d4, %dx # read bits 0 - 7 of the cursor address
movw $0x3d4, %dx # read bits 0 - 7 of the cursor address
movb $0xf, %al
outb %al, %dx
204,9 → 547,7
cmp $1920, %ax
jbe cursor_ok
movw $1920, %ax # sanity check for the cursor on the last line
movw $1920, %ax # sanity check for the cursor on the last line
cursor_ok:
movw %ax, %bx
213,7 → 554,7
shl $1, %eax
addl %eax, %edi
movw $0x0c00, %ax # black background, light red foreground
movw $0x0c00, %ax # black background, light red foreground
ploop:
lodsb
220,11 → 561,11
cmp $0, %al
je ploop_end
stosw
inc %bx
inc %bx
jmp ploop
ploop_end:
movw $0x3d4, %dx # write bits 8 - 15 of the cursor address
movw $0x3d4, %dx # write bits 8 - 15 of the cursor address
movb $0xe, %al
outb %al, %dx
232,7 → 573,7
movb %bh, %al
outb %al, %dx
movw $0x3d4, %dx # write bits 0 - 7 of the cursor address
movw $0x3d4, %dx # write bits 0 - 7 of the cursor address
movb $0xf, %al
outb %al, %dx
239,20 → 580,17
movw $0x3d5, %dx
movb %bl, %al
outb %al, %dx
cli
hlt1:
hlt
jmp hlt1
hlt
 
#include "vesa_real.inc"
 
.section K_INI_PTLS, "aw", @progbits
 
#
# Macro for generating initial page table contents.
# @param cnt Number of entries to generat. Must be multiple of 8.
# @param g Number of GB that will be added to the mapping.
# @param cnt Number of entries to generat. Must be multiple of 8.
# @param g Number of GB that will be added to the mapping.
#
.macro ptl2gen cnt g
.if \cnt
304,7 → 642,7
# Mapping of [0; 1G) at -2G
.quad ptl_2_0g + (PTL_WRITABLE | PTL_PRESENT)
.fill 1, 8, 0
 
.align 4096
.global ptl_0
ptl_0:
/branches/arm/kernel/arch/amd64/src/boot/memmap.c
26,7 → 26,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup amd64mm
/** @addtogroup amd64mm
* @{
*/
/** @file
/branches/arm/kernel/arch/amd64/src/cpu/cpu.c
77,19 → 77,21
void cpu_setup_fpu(void)
{
asm volatile (
"movq %%cr0, %%rax\n"
"btsq $1, %%rax\n" /* cr0.mp */
"btrq $2, %%rax\n" /* cr0.em */
"movq %%rax, %%cr0\n"
"movq %%cr4, %%rax\n"
"bts $9, %%rax\n" /* cr4.osfxsr */
"movq %%rax, %%cr4\n"
::: "%rax"
);
"movq %%cr0, %%rax;"
"btsq $1, %%rax;" /* cr0.mp */
"btrq $2, %%rax;" /* cr0.em */
"movq %%rax, %%cr0;"
 
"movq %%cr4, %%rax;"
"bts $9, %%rax;" /* cr4.osfxsr */
"movq %%rax, %%cr4;"
:
:
:"%rax"
);
}
 
/** Set the TS flag to 1.
/** Set the TS flag to 1.
*
* If a thread accesses coprocessor, exception is run, which
* does a lazy fpu context switch.
97,22 → 99,26
*/
void fpu_disable(void)
{
asm volatile (
"mov %%cr0, %%rax\n"
"bts $3, %%rax\n"
"mov %%rax, %%cr0\n"
::: "%rax"
);
asm volatile (
"mov %%cr0,%%rax;"
"bts $3,%%rax;"
"mov %%rax,%%cr0;"
:
:
:"%rax"
);
}
 
void fpu_enable(void)
{
asm volatile (
"mov %%cr0, %%rax\n"
"btr $3, %%rax\n"
"mov %%rax, %%cr0\n"
::: "%rax"
);
asm volatile (
"mov %%cr0,%%rax;"
"btr $3,%%rax;"
"mov %%rax,%%cr0;"
:
:
:"%rax"
);
}
 
void cpu_arch_init(void)
/branches/arm/kernel/arch/amd64/src/mm/page.c
180,7 → 180,7
page = read_cr2();
if (istate->error_word & PFERR_CODE_RSVD)
panic("Reserved bit set in page table entry.");
panic("Reserved bit set in page table entry.\n");
if (istate->error_word & PFERR_CODE_RW)
access = PF_ACCESS_WRITE;
190,11 → 190,11
access = PF_ACCESS_READ;
if (as_page_fault(page, access, istate) == AS_PF_FAULT) {
fault_if_from_uspace(istate, "Page fault: %#x.", page);
fault_if_from_uspace(istate, "Page fault: %#x", page);
 
decode_istate(n, istate);
printf("Page fault address: %llx.\n", page);
panic("Page fault.");
printf("Page fault address: %llx\n", page);
panic("page fault\n");
}
}
 
202,7 → 202,7
uintptr_t hw_map(uintptr_t physaddr, size_t size)
{
if (last_frame + ALIGN_UP(size, PAGE_SIZE) > KA2PA(KERNEL_ADDRESS_SPACE_END_ARCH))
panic("Unable to map physical memory %p (%d bytes).", physaddr, size)
panic("Unable to map physical memory %p (%d bytes)", physaddr, size)
uintptr_t virtaddr = PA2KA(last_frame);
pfn_t i;
/branches/arm/kernel/arch/amd64/src/amd64.c
39,15 → 39,11
#include <config.h>
 
#include <proc/thread.h>
#include <genarch/multiboot/multiboot.h>
#include <genarch/drivers/legacy/ia32/io.h>
#include <genarch/drivers/ega/ega.h>
#include <arch/drivers/ega.h>
#include <arch/drivers/vesa.h>
#include <genarch/drivers/i8042/i8042.h>
#include <genarch/kbrd/kbrd.h>
#include <genarch/kbd/i8042.h>
#include <arch/drivers/i8254.h>
#include <arch/drivers/i8259.h>
#include <arch/boot/boot.h>
 
#ifdef CONFIG_SMP
#include <arch/smp/apic.h>
65,8 → 61,9
#include <syscall/syscall.h>
#include <console/console.h>
#include <ddi/irq.h>
#include <sysinfo/sysinfo.h>
#include <ddi/device.h>
 
 
/** Disable I/O on non-privileged levels
*
* Clean IOPL(12,13) and NT(14) flags in EFLAGS register
73,13 → 70,15
*/
static void clean_IOPL_NT_flags(void)
{
asm volatile (
asm (
"pushfq\n"
"pop %%rax\n"
"and $~(0x7000), %%rax\n"
"pushq %%rax\n"
"popfq\n"
::: "%rax"
:
:
: "%rax"
);
}
 
89,31 → 88,16
*/
static void clean_AM_flag(void)
{
asm volatile (
asm (
"mov %%cr0, %%rax\n"
"and $~(0x40000), %%rax\n"
"mov %%rax, %%cr0\n"
::: "%rax"
:
:
: "%rax"
);
}
 
/** Perform amd64-specific initialization before main_bsp() is called.
*
* @param signature Should contain the multiboot signature.
* @param mi Pointer to the multiboot information structure.
*/
void arch_pre_main(uint32_t signature, const multiboot_info_t *mi)
{
/* Parse multiboot information obtained from the bootloader. */
multiboot_info_parse(signature, mi);
#ifdef CONFIG_SMP
/* Copy AP bootstrap routines below 1 MB. */
memcpy((void *) AP_BOOT_OFFSET, (void *) BOOT_OFFSET,
(size_t) &_hardcoded_unmapped_size);
#endif
}
 
void arch_pre_mm_init(void)
{
/* Enable no-execute pages */
149,17 → 133,13
/* hard clock */
i8254_init();
#ifdef CONFIG_FB
if (vesa_present())
vesa_init();
else
#endif
#ifdef CONFIG_EGA
ega_init(EGA_BASE, EGA_VIDEORAM); /* video */
#else
{}
#endif
ega_init(); /* video */
/* Enable debugger */
debugger_init();
192,33 → 172,8
 
void arch_post_smp_init(void)
{
#ifdef CONFIG_PC_KBD
/*
* Initialize the i8042 controller. Then initialize the keyboard
* module and connect it to i8042. Enable keyboard interrupts.
*/
i8042_instance_t *i8042_instance = i8042_init((i8042_t *) I8042_BASE, IRQ_KBD);
if (i8042_instance) {
kbrd_instance_t *kbrd_instance = kbrd_init();
if (kbrd_instance) {
indev_t *sink = stdin_wire();
indev_t *kbrd = kbrd_wire(kbrd_instance, sink);
i8042_wire(i8042_instance, kbrd);
trap_virtual_enable_irqs(1 << IRQ_KBD);
}
}
/*
* This is the necessary evil until the userspace driver is entirely
* self-sufficient.
*/
sysinfo_set_item_val("kbd", NULL, true);
sysinfo_set_item_val("kbd.inr", NULL, IRQ_KBD);
sysinfo_set_item_val("kbd.address.physical", NULL,
(uintptr_t) I8042_BASE);
sysinfo_set_item_val("kbd.address.kernel", NULL,
(uintptr_t) I8042_BASE);
#endif
/* keyboard controller */
i8042_init(device_assign_devno(), IRQ_KBD, device_assign_devno(), IRQ_MOUSE);
}
 
void calibrate_delay_loop(void)
253,45 → 208,15
*/
void arch_grab_console(void)
{
#ifdef CONFIG_FB
if (vesa_present())
vesa_redraw();
else
#endif
#ifdef CONFIG_EGA
ega_redraw();
#else
{}
#endif
i8042_grab();
}
 
/** Return console to userspace
*
*/
void arch_release_console(void)
{
i8042_release();
}
 
/** Construct function pointer
*
* @param fptr function pointer structure
* @param addr function address
* @param caller calling function address
*
* @return address of the function pointer
*
*/
void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller)
{
return addr;
}
 
void arch_reboot(void)
{
#ifdef CONFIG_PC_KBD
i8042_cpu_reset((i8042_t *) I8042_BASE);
#endif
}
 
/** @}
*/
/branches/arm/kernel/arch/amd64/src/ddi/ddi.c
56,16 → 56,16
*/
int ddi_iospace_enable_arch(task_t *task, uintptr_t ioaddr, size_t size)
{
size_t bits;
count_t bits;
 
bits = ioaddr + size;
if (bits > IO_PORTS)
return ENOENT;
 
if (task->arch.iomap.bits < bits) {
bitmap_t oldiomap;
uint8_t *newmap;
/*
* The I/O permission bitmap is too small and needs to be grown.
*/
77,17 → 77,17
bitmap_initialize(&oldiomap, task->arch.iomap.map,
task->arch.iomap.bits);
bitmap_initialize(&task->arch.iomap, newmap, bits);
 
/*
* Mark the new range inaccessible.
*/
bitmap_set_range(&task->arch.iomap, oldiomap.bits,
bits - oldiomap.bits);
 
/*
* In case there really existed smaller iomap,
* copy its contents and deallocate it.
*/
*/
if (oldiomap.bits) {
bitmap_copy(&task->arch.iomap, &oldiomap,
oldiomap.bits);
94,17 → 94,17
free(oldiomap.map);
}
}
 
/*
* Enable the range and we are done.
*/
bitmap_clear_range(&task->arch.iomap, (size_t) ioaddr, (size_t) size);
bitmap_clear_range(&task->arch.iomap, (index_t) ioaddr, (count_t) size);
 
/*
* Increment I/O Permission bitmap generation counter.
*/
task->arch.iomapver++;
 
return 0;
}
 
117,12 → 117,12
*/
void io_perm_bitmap_install(void)
{
size_t bits;
count_t bits;
ptr_16_64_t cpugdtr;
descriptor_t *gdt_p;
tss_descriptor_t *tss_desc;
size_t ver;
count_t ver;
 
/* First, copy the I/O Permission Bitmap. */
spinlock_lock(&TASK->lock);
ver = TASK->arch.iomapver;
140,7 → 140,7
bitmap_set_range(&iomap, ALIGN_UP(TASK->arch.iomap.bits, 8), 8);
}
spinlock_unlock(&TASK->lock);
 
/*
* Second, adjust TSS segment limit.
* Take the extra ending byte will all bits set into account.
151,10 → 151,10
gdtr_load(&cpugdtr);
/*
* Before we load new TSS limit, the current TSS descriptor
* type must be changed to describe inactive TSS.
*/
tss_desc = (tss_descriptor_t *) &gdt_p[TSS_DES];
* Before we load new TSS limit, the current TSS descriptor
* type must be changed to describe inactive TSS.
*/
tss_desc = (tss_descriptor_t *) &gdt_p[TSS_DES];
tss_desc->type = AR_TSS;
tr_load(gdtselector(TSS_DES));
/branches/arm/kernel/arch/amd64/src/interrupt.c
43,6 → 43,7
#include <mm/tlb.h>
#include <mm/as.h>
#include <arch.h>
#include <symtab.h>
#include <arch/asm.h>
#include <proc/scheduler.h>
#include <proc/thread.h>
51,7 → 52,6
#include <arch/ddi/ddi.h>
#include <interrupt.h>
#include <ddi/irq.h>
#include <symtab.h>
 
/*
* Interrupt and exception dispatching.
64,8 → 64,10
void decode_istate(int n, istate_t *istate)
{
char *symbol;
/* uint64_t *x = &istate->stack[0]; */
 
symbol = symtab_fmt_name_lookup(istate->rip);
if (!(symbol = get_symtab_entry(istate->rip)))
symbol = "";
 
printf("-----EXCEPTION(%d) OCCURED----- ( %s )\n", n, __func__);
printf("%%rip: %#llx (%s)\n", istate->rip, symbol);
78,6 → 80,12
istate->rdi, istate->r8);
printf("%%r9=%#llx, %%r10=%#llx, %%r11=%#llx\n", istate->r9,
istate->r10, istate->r11);
#ifdef CONFIG_DEBUG_ALLREGS
printf("%%r12=%#llx, %%r13=%#llx, %%r14=%#llx\n", istate->r12,
istate->r13, istate->r14);
printf("%%r15=%#llx, %%rbx=%#llx, %%rbp=%#llx\n", istate->r15,
istate->rbx, &istate->rbp);
#endif
printf("%%rsp=%#llx\n", &istate->stack[0]);
}
 
86,15 → 94,15
if (eoi_function)
eoi_function();
else
panic("No eoi_function.");
panic("no eoi_function\n");
 
}
 
static void null_interrupt(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "Unserviced interrupt: %d.", n);
fault_if_from_uspace(istate, "unserviced interrupt: %d", n);
decode_istate(n, istate);
panic("Unserviced interrupt.");
panic("unserviced interrupt\n");
}
 
/** General Protection Fault. */
101,7 → 109,7
static void gp_fault(int n, istate_t *istate)
{
if (TASK) {
size_t ver;
count_t ver;
 
spinlock_lock(&TASK->lock);
ver = TASK->arch.iomapver;
118,37 → 126,35
io_perm_bitmap_install();
return;
}
fault_if_from_uspace(istate, "General protection fault.");
fault_if_from_uspace(istate, "general protection fault");
}
 
decode_istate(n, istate);
panic("General protection fault.");
panic("general protection fault\n");
}
 
static void ss_fault(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "Stack fault.");
fault_if_from_uspace(istate, "stack fault");
decode_istate(n, istate);
panic("Stack fault.");
panic("stack fault\n");
}
 
static void nm_fault(int n, istate_t *istate)
{
#ifdef CONFIG_FPU_LAZY
#ifdef CONFIG_FPU_LAZY
scheduler_fpu_lazy_request();
#else
fault_if_from_uspace(istate, "FPU fault.");
panic("FPU fault.");
fault_if_from_uspace(istate, "fpu fault");
panic("fpu fault");
#endif
}
 
#ifdef CONFIG_SMP
static void tlb_shootdown_ipi(int n, istate_t *istate)
{
trap_virtual_eoi();
tlb_shootdown_ipi_recv();
}
#endif
 
/** Handler of IRQ exceptions */
static void irq_interrupt(int n, istate_t *istate)
171,7 → 177,7
trap_virtual_eoi();
ack = true;
}
irq->handler(irq);
irq->handler(irq, irq->arg);
spinlock_unlock(&irq->lock);
} else {
/*
215,7 → 221,7
if (enable_irqs_function)
enable_irqs_function(irqmask);
else
panic("No enable_irqs_function.");
panic("no enable_irqs_function\n");
}
 
void trap_virtual_disable_irqs(uint16_t irqmask)
223,7 → 229,7
if (disable_irqs_function)
disable_irqs_function(irqmask);
else
panic("No disable_irqs_function.");
panic("no disable_irqs_function\n");
}
 
/** @}
/branches/arm/kernel/arch/amd64/src/fpu_context.c
39,9 → 39,9
void fpu_context_save(fpu_context_t *fctx)
{
asm volatile (
"fxsave %[fctx]\n"
: [fctx] "=m" (*fctx)
);
"fxsave %0"
: "=m"(*fctx)
);
}
 
/** Restore FPU (mmx,sse) context using fxrstor instruction */
48,9 → 48,9
void fpu_context_restore(fpu_context_t *fctx)
{
asm volatile (
"fxrstor %[fctx]\n"
: [fctx] "=m" (*fctx)
);
"fxrstor %0"
: "=m"(*fctx)
);
}
 
void fpu_init()
57,7 → 57,7
{
/* TODO: Zero all SSE, MMX etc. registers */
asm volatile (
"fninit\n"
"fninit;"
);
}
 
/branches/arm/kernel/arch/amd64/_link.ld.in
43,6 → 43,8
QUAD(unmapped_kdata_end - unmapped_kdata_start);
*(COMMON); /* global variables */
 
*(.eh_frame);
 
symbol_table = .;
*(symtab.*); /* Symbol table, must be LAST symbol!*/
 
50,10 → 52,6
 
kdata_end = .;
}
 
/DISCARD/ : {
*(*);
}
#ifdef CONFIG_SMP
_hardcoded_unmapped_size = (unmapped_ktext_end - unmapped_ktext_start) + (unmapped_kdata_end - unmapped_kdata_start);
/branches/arm/kernel/arch/ia32xen/Makefile.inc
0,0 → 1,144
#
# Copyright (c) 2006 Martin Decky
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# - Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# - Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# - The name of the author may not be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
 
## Toolchain configuration
#
 
ifndef CROSS_PREFIX
CROSS_PREFIX = /usr/local
endif
 
BFD_NAME = elf32-i386
BFD_ARCH = i386
BFD = elf32-i386
TARGET = i686-pc-linux-gnu
TOOLCHAIN_DIR = $(CROSS_PREFIX)/i686
 
DEFS += -DMACHINE=$(MACHINE) -D__32_BITS__
 
CMN1 = -m32
GCC_CFLAGS += $(CMN1)
ICC_CFLAGS += $(CMN1)
SUNCC_CFLAGS += $(CMN1)
 
## Accepted CPUs
#
 
ifeq ($(MACHINE),athlon-xp)
CMN2 = -march=athlon-xp -mmmx -msse -m3dnow
GCC_CFLAGS += $(CMN2)
ICC_CFLAGS += $(CMN2)
SUNCC_CFLAGS += -xarch=ssea
DEFS += -DCONFIG_FENCES_P3
CONFIG_SMP = n
CONFIG_HT = n
endif
ifeq ($(MACHINE),athlon-mp)
CMN2 = -march=athlon-mp -mmmx -msse -m3dnow
GCC_CFLAGS += $(CMN2)
ICC_CFLAGS += $(CMN2)
SUNCC_CFLAGS += -xarch=ssea
DEFS += -DCONFIG_FENCES_P3
CONFIG_HT = n
endif
ifeq ($(MACHINE),pentium3)
CMN2 = -march=pentium3 -mmmx -msse
GCC_CFLAGS += $(CMN2)
ICC_CFLAGS += $(CMN2)
SUNCC_CFLAGS += -xarch=sse
DEFS += -DCONFIG_FENCES_P3
CONFIG_HT = n
endif
ifeq ($(MACHINE),core)
CMN2 = -march=prescott -mfpmath=sse -mmmx -msse -msse2 -msse3
GCC_CFLAGS += $(CMN2)
ICC_CFLAGS += $(CMN2)
SUNCC_CFLAGS += -xarch=sse3
DEFS += -DCONFIG_FENCES_P4
endif
ifeq ($(MACHINE),pentium4)
GCC_CFLAGS += -march=pentium4 -mfpmath=sse -mmmx -msse -msse2
ICC_CFLAGS += -march=pentium4
SUNCC_CFLAGS += -xarch=sse2
DEFS += -DCONFIG_FENCES_P4
endif
 
## Own configuration directives
#
 
CONFIG_ACPI = y
 
## Compile with hierarchical page tables support.
#
 
CONFIG_PAGE_PT = y
DEFS += -DCONFIG_PAGE_PT
 
## Accepted configuration directives
#
 
ifeq ($(CONFIG_SMP),y)
DEFS += -DCONFIG_SMP
endif
ifeq ($(CONFIG_HT),y)
DEFS += -DCONFIG_HT
endif
 
## Compile with support for software integer division.
#
 
CONFIG_SOFTINT = y
 
ARCH_SOURCES = \
arch/$(ARCH)/src/context.S \
arch/$(ARCH)/src/debug/panic.s \
arch/$(ARCH)/src/delay.s \
arch/$(ARCH)/src/asm.S \
arch/$(ARCH)/src/proc/scheduler.c \
arch/$(ARCH)/src/proc/task.c \
arch/$(ARCH)/src/proc/thread.c \
arch/$(ARCH)/src/bios/bios.c \
arch/$(ARCH)/src/smp/apic.c \
arch/$(ARCH)/src/smp/mps.c \
arch/$(ARCH)/src/smp/smp.c \
arch/$(ARCH)/src/atomic.S \
arch/$(ARCH)/src/smp/ipi.c \
arch/$(ARCH)/src/ia32xen.c \
arch/$(ARCH)/src/interrupt.c \
arch/$(ARCH)/src/pm.c \
arch/$(ARCH)/src/userspace.c \
arch/$(ARCH)/src/cpu/cpu.c \
arch/$(ARCH)/src/mm/as.c \
arch/$(ARCH)/src/mm/frame.c \
arch/$(ARCH)/src/mm/page.c \
arch/$(ARCH)/src/mm/tlb.c \
arch/$(ARCH)/src/ddi/ddi.c \
arch/$(ARCH)/src/drivers/xconsole.c \
arch/$(ARCH)/src/boot/boot.S \
arch/$(ARCH)/src/fpu_context.c \
arch/$(ARCH)/src/debugger.c
/branches/arm/kernel/arch/ia32xen/src/asm.S
0,0 → 1,124
#
# Copyright (c) 2001-2004 Jakub Jermar
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# - Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# - Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# - The name of the author may not be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
 
## very low and hardware-level functions
 
# Mask for interrupts 0 - 31 (bits 0 - 31) where 0 means that int has no error word
# and 1 means interrupt with error word
#define ERROR_WORD_INTERRUPT_LIST 0x00027D00
 
.text
 
.global xen_callback
.global xen_failsafe_callback
.global enable_l_apic_in_msr
.global memcpy
.global memcpy_from_uspace
.global memcpy_from_uspace_failover_address
.global memcpy_to_uspace
.global memcpy_to_uspace_failover_address
 
 
xen_callback:
iret
 
xen_failsafe_callback:
iret
 
 
#define MEMCPY_DST 4
#define MEMCPY_SRC 8
#define MEMCPY_SIZE 12
 
/** Copy memory to/from userspace.
*
* This is almost conventional memcpy().
* The difference is that there is a failover part
* to where control is returned from a page fault
* if the page fault occurs during copy_from_uspace()
* or copy_to_uspace().
*
* @param MEMCPY_DST(%esp) Destination address.
* @param MEMCPY_SRC(%esp) Source address.
* @param MEMCPY_SIZE(%esp) Size.
*
* @return MEMCPY_DST(%esp) on success and 0 on failure.
*/
memcpy:
memcpy_from_uspace:
memcpy_to_uspace:
movl %edi, %edx /* save %edi */
movl %esi, %eax /* save %esi */
movl MEMCPY_SIZE(%esp), %ecx
shrl $2, %ecx /* size / 4 */
movl MEMCPY_DST(%esp), %edi
movl MEMCPY_SRC(%esp), %esi
rep movsl /* copy as much as possible word by word */
 
movl MEMCPY_SIZE(%esp), %ecx
andl $3, %ecx /* size % 4 */
jz 0f
rep movsb /* copy the rest byte by byte */
 
0:
movl %edx, %edi
movl %eax, %esi
movl MEMCPY_DST(%esp), %eax /* MEMCPY_DST(%esp), success */
ret
/*
* We got here from as_page_fault() after the memory operations
* above had caused a page fault.
*/
memcpy_from_uspace_failover_address:
memcpy_to_uspace_failover_address:
movl %edx, %edi
movl %eax, %esi
xorl %eax, %eax /* return 0, failure */
ret
 
 
## Enable local APIC
#
# Enable local APIC in MSR.
#
enable_l_apic_in_msr:
push %eax
 
movl $0x1b, %ecx
rdmsr
orl $(1<<11),%eax
orl $(0xfee00000),%eax
wrmsr
 
pop %eax
ret
/branches/arm/kernel/arch/ia32xen/src/userspace.c
0,0 → 1,93
/*
* Copyright (c) 2005 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32xen
* @{
*/
/** @file
*/
 
#include <userspace.h>
#include <arch/pm.h>
#include <arch/types.h>
#include <arch.h>
#include <proc/uarg.h>
#include <mm/as.h>
 
 
/** Enter userspace
*
* Change CPU protection level to 3, enter userspace.
*
*/
void userspace(uspace_arg_t *kernel_uarg)
{
uint32_t ipl = interrupts_disable();
 
asm volatile (
/*
* Clear nested task flag.
*/
"pushfl\n"
"pop %%eax\n"
"and $0xffffbfff, %%eax\n"
"push %%eax\n"
"popfl\n"
 
/* Set up GS register (TLS) */
"movl %6, %%gs\n"
 
"pushl %0\n"
"pushl %1\n"
"pushl %2\n"
"pushl %3\n"
"pushl %4\n"
"movl %5, %%eax\n"
 
/* %ebx is defined to hold pcb_ptr - set it to 0 */
"xorl %%ebx, %%ebx\n"
 
"iret\n"
:
: "i" (selector(UDATA_DES) | PL_USER),
"r" (kernel_uarg->uspace_stack + THREAD_STACK_SIZE),
"r" (ipl),
"i" (selector(UTEXT_DES) | PL_USER),
"r" (kernel_uarg->uspace_entry),
"r" (kernel_uarg->uspace_uarg),
"r" (selector(TLS_DES))
: "eax"
);
/* Unreachable */
for(;;)
;
}
 
/** @}
*/
/branches/arm/kernel/arch/ia32xen/src/ia32xen.c
0,0 → 1,218
/*
* Copyright (c) 2006 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32xen
* @{
*/
/** @file
*/
 
#include <arch.h>
#include <main/main.h>
 
#include <arch/types.h>
#include <align.h>
 
#include <arch/pm.h>
 
#include <arch/drivers/xconsole.h>
#include <arch/mm/page.h>
 
#include <arch/context.h>
 
#include <config.h>
 
#include <arch/interrupt.h>
#include <arch/asm.h>
#include <genarch/acpi/acpi.h>
 
#include <arch/bios/bios.h>
 
#include <interrupt.h>
#include <arch/debugger.h>
#include <proc/thread.h>
#include <syscall/syscall.h>
#include <console/console.h>
#include <ddi/irq.h>
 
start_info_t start_info;
memzone_t meminfo;
 
extern void xen_callback(void);
extern void xen_failsafe_callback(void);
 
void arch_pre_main(void)
{
pte_t pte;
memsetb(&pte, sizeof(pte), 0);
pte.present = 1;
pte.writeable = 1;
pte.frame_address = ADDR2PFN((uintptr_t) start_info.shared_info);
ASSERT(xen_update_va_mapping(&shared_info, pte, UVMF_INVLPG) == 0);
if (!(start_info.flags & SIF_INITDOMAIN)) {
/* Map console frame */
pte.present = 1;
pte.writeable = 1;
pte.frame_address = start_info.console.domU.mfn;
ASSERT(xen_update_va_mapping(&console_page, pte, UVMF_INVLPG) == 0);
} else
start_info.console.domU.evtchn = 0;
ASSERT(xen_set_callbacks(XEN_CS, xen_callback, XEN_CS, xen_failsafe_callback) == 0);
/* Create identity mapping */
meminfo.start = ADDR2PFN(ALIGN_UP(KA2PA(start_info.ptl0), PAGE_SIZE)) + start_info.pt_frames;
meminfo.size = start_info.frames - meminfo.start;
meminfo.reserved = 0;
 
uintptr_t pa;
index_t last_ptl0 = 0;
for (pa = PFN2ADDR(meminfo.start); pa < PFN2ADDR(meminfo.start + meminfo.size); pa += FRAME_SIZE) {
uintptr_t va = PA2KA(pa);
if ((PTL0_INDEX(va) != last_ptl0) && (GET_PTL1_FLAGS(start_info.ptl0, PTL0_INDEX(va)) & PAGE_NOT_PRESENT)) {
/* New page directory entry needed */
uintptr_t tpa = PFN2ADDR(meminfo.start + meminfo.reserved);
uintptr_t tva = PA2KA(tpa);
memsetb((void *) tva, PAGE_SIZE, 0);
pte_t *tptl3 = (pte_t *) PA2KA(GET_PTL1_ADDRESS(start_info.ptl0, PTL0_INDEX(tva)));
SET_FRAME_ADDRESS(tptl3, PTL3_INDEX(tva), 0);
SET_PTL1_ADDRESS(start_info.ptl0, PTL0_INDEX(va), tpa);
SET_FRAME_ADDRESS(tptl3, PTL3_INDEX(tva), tpa);
last_ptl0 = PTL0_INDEX(va);
meminfo.reserved++;
}
pte_t *ptl3 = (pte_t *) PA2KA(GET_PTL1_ADDRESS(start_info.ptl0, PTL0_INDEX(va)));
SET_FRAME_ADDRESS(ptl3, PTL3_INDEX(va), pa);
SET_FRAME_FLAGS(ptl3, PTL3_INDEX(va), PAGE_PRESENT | PAGE_WRITE);
}
/* Put initial stack safely in the mapped area */
stack_safe = PA2KA(PFN2ADDR(meminfo.start + meminfo.reserved));
}
 
void arch_pre_mm_init(void)
{
pm_init();
 
if (config.cpu_active == 1) {
interrupt_init();
// bios_init();
}
}
 
void arch_post_mm_init(void)
{
if (config.cpu_active == 1) {
/* Initialize IRQ routing */
irq_init(IRQ_COUNT, IRQ_COUNT);
/* Video */
xen_console_init();
/* Enable debugger */
debugger_init();
/* Merge all memory zones to 1 big zone */
zone_merge_all();
}
}
 
void arch_post_cpu_init(void)
{
}
 
void arch_pre_smp_init(void)
{
if (config.cpu_active == 1) {
#ifdef CONFIG_SMP
acpi_init();
#endif /* CONFIG_SMP */
}
}
 
void arch_post_smp_init(void)
{
}
 
void calibrate_delay_loop(void)
{
// i8254_calibrate_delay_loop();
if (config.cpu_active == 1) {
/*
* This has to be done only on UP.
* On SMP, i8254 is not used for time keeping and its interrupt pin remains masked.
*/
// i8254_normal_operation();
}
}
 
/** Set thread-local-storage pointer
*
* TLS pointer is set in GS register. That means, the GS contains
* selector, and the descriptor->base is the correct address.
*/
unative_t sys_tls_set(unative_t addr)
{
THREAD->arch.tls = addr;
set_tls_desc(addr);
 
return 0;
}
 
/** Acquire console back for kernel
*
*/
void arch_grab_console(void)
{
}
 
/** Return console to userspace
*
*/
void arch_release_console(void)
{
}
 
void arch_reboot(void)
{
// TODO
while (1);
}
 
/** @}
*/
/branches/arm/kernel/arch/ia32xen/src/pm.c
0,0 → 1,206
/*
* Copyright (c) 2006 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32xen
* @{
*/
/** @file
*/
 
#include <arch/pm.h>
#include <config.h>
#include <arch/types.h>
#include <arch/interrupt.h>
#include <arch/asm.h>
#include <arch/context.h>
#include <panic.h>
#include <arch/mm/page.h>
#include <mm/slab.h>
#include <memstr.h>
#include <interrupt.h>
 
/*
* Early ia32xen configuration functions and data structures.
*/
 
/*
* We have no use for segmentation so we set up flat mode. In this
* mode, we use, for each privilege level, two segments spanning the
* whole memory. One is for code and one is for data.
*
* One is for GS register which holds pointer to the TLS thread
* structure in it's base.
*/
descriptor_t gdt[GDT_ITEMS] = {
/* NULL descriptor */
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
/* KTEXT descriptor */
{ 0xffff, 0, 0, AR_PRESENT | AR_CODE | DPL_KERNEL, 0xf, 0, 0, 1, 1, 0 },
/* KDATA descriptor */
{ 0xffff, 0, 0, AR_PRESENT | AR_DATA | AR_WRITABLE | DPL_KERNEL, 0xf, 0, 0, 1, 1, 0 },
/* UTEXT descriptor */
{ 0xffff, 0, 0, AR_PRESENT | AR_CODE | DPL_USER, 0xf, 0, 0, 1, 1, 0 },
/* UDATA descriptor */
{ 0xffff, 0, 0, AR_PRESENT | AR_DATA | AR_WRITABLE | DPL_USER, 0xf, 0, 0, 1, 1, 0 },
/* TSS descriptor - set up will be completed later */
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
/* TLS descriptor */
{ 0xffff, 0, 0, AR_PRESENT | AR_DATA | AR_WRITABLE | DPL_USER, 0xf, 0, 0, 1, 1, 0 },
};
 
static trap_info_t traps[IDT_ITEMS + 1];
 
static tss_t tss;
 
tss_t *tss_p = NULL;
 
/* gdtr is changed by kmp before next CPU is initialized */
ptr_16_32_t bootstrap_gdtr = { .limit = sizeof(gdt), .base = KA2PA((uintptr_t) gdt) };
ptr_16_32_t gdtr = { .limit = sizeof(gdt), .base = (uintptr_t) gdt };
 
void gdt_setbase(descriptor_t *d, uintptr_t base)
{
d->base_0_15 = base & 0xffff;
d->base_16_23 = ((base) >> 16) & 0xff;
d->base_24_31 = ((base) >> 24) & 0xff;
}
 
void gdt_setlimit(descriptor_t *d, uint32_t limit)
{
d->limit_0_15 = limit & 0xffff;
d->limit_16_19 = (limit >> 16) & 0xf;
}
 
void tss_initialize(tss_t *t)
{
memsetb(t, sizeof(struct tss), 0);
}
 
static void trap(void)
{
}
 
void traps_init(void)
{
index_t i;
for (i = 0; i < IDT_ITEMS; i++) {
traps[i].vector = i;
if (i == VECTOR_SYSCALL)
traps[i].flags = 3;
else
traps[i].flags = 0;
traps[i].cs = XEN_CS;
traps[i].address = trap;
}
traps[IDT_ITEMS].vector = 0;
traps[IDT_ITEMS].flags = 0;
traps[IDT_ITEMS].cs = 0;
traps[IDT_ITEMS].address = NULL;
}
 
 
/* Clean IOPL(12,13) and NT(14) flags in EFLAGS register */
static void clean_IOPL_NT_flags(void)
{
// asm volatile (
// "pushfl\n"
// "pop %%eax\n"
// "and $0xffff8fff, %%eax\n"
// "push %%eax\n"
// "popfl\n"
// : : : "eax"
// );
}
 
/* Clean AM(18) flag in CR0 register */
static void clean_AM_flag(void)
{
// asm volatile (
// "mov %%cr0, %%eax\n"
// "and $0xfffbffff, %%eax\n"
// "mov %%eax, %%cr0\n"
// : : : "eax"
// );
}
 
void pm_init(void)
{
descriptor_t *gdt_p = (descriptor_t *) gdtr.base;
 
// gdtr_load(&gdtr);
if (config.cpu_active == 1) {
traps_init();
xen_set_trap_table(traps);
/*
* NOTE: bootstrap CPU has statically allocated TSS, because
* the heap hasn't been initialized so far.
*/
tss_p = &tss;
} else {
tss_p = (tss_t *) malloc(sizeof(tss_t), FRAME_ATOMIC);
if (!tss_p)
panic("could not allocate TSS\n");
}
 
// tss_initialize(tss_p);
gdt_p[TSS_DES].access = AR_PRESENT | AR_TSS | DPL_KERNEL;
gdt_p[TSS_DES].special = 1;
gdt_p[TSS_DES].granularity = 0;
gdt_setbase(&gdt_p[TSS_DES], (uintptr_t) tss_p);
gdt_setlimit(&gdt_p[TSS_DES], TSS_BASIC_SIZE - 1);
 
/*
* As of this moment, the current CPU has its own GDT pointing
* to its own TSS. We just need to load the TR register.
*/
// tr_load(selector(TSS_DES));
clean_IOPL_NT_flags(); /* Disable I/O on nonprivileged levels and clear NT flag. */
clean_AM_flag(); /* Disable alignment check */
}
 
void set_tls_desc(uintptr_t tls)
{
ptr_16_32_t cpugdtr;
descriptor_t *gdt_p;
 
gdtr_store(&cpugdtr);
gdt_p = (descriptor_t *) cpugdtr.base;
gdt_setbase(&gdt_p[TLS_DES], tls);
/* Reload gdt register to update GS in CPU */
gdtr_load(&cpugdtr);
}
 
/** @}
*/
/branches/arm/kernel/arch/ia32xen/src/smp/smp.c
0,0 → 1,174
/*
* Copyright (c) 2005 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32xen
* @{
*/
/** @file
*/
 
#include <smp/smp.h>
#include <arch/smp/smp.h>
#include <arch/smp/mps.h>
#include <arch/smp/ap.h>
#include <genarch/acpi/acpi.h>
#include <genarch/acpi/madt.h>
#include <config.h>
#include <synch/waitq.h>
#include <synch/synch.h>
#include <arch/pm.h>
#include <func.h>
#include <panic.h>
#include <debug.h>
#include <arch/asm.h>
#include <mm/frame.h>
#include <mm/page.h>
#include <mm/slab.h>
#include <mm/as.h>
#include <print.h>
#include <memstr.h>
 
#ifdef CONFIG_SMP
 
static struct smp_config_operations *ops = NULL;
 
void smp_init(void)
{
uintptr_t l_apic_address, io_apic_address;
 
if (acpi_madt) {
acpi_madt_parse();
ops = &madt_config_operations;
}
if (config.cpu_count == 1) {
mps_init();
ops = &mps_config_operations;
}
 
l_apic_address = (uintptr_t) frame_alloc(ONE_FRAME, FRAME_ATOMIC | FRAME_KA);
if (!l_apic_address)
panic("cannot allocate address for l_apic\n");
 
io_apic_address = (uintptr_t) frame_alloc(ONE_FRAME, FRAME_ATOMIC | FRAME_KA);
if (!io_apic_address)
panic("cannot allocate address for io_apic\n");
 
if (config.cpu_count > 1) {
page_mapping_insert(AS_KERNEL, l_apic_address, (uintptr_t) l_apic,
PAGE_NOT_CACHEABLE | PAGE_WRITE);
page_mapping_insert(AS_KERNEL, io_apic_address, (uintptr_t) io_apic,
PAGE_NOT_CACHEABLE | PAGE_WRITE);
l_apic = (uint32_t *) l_apic_address;
io_apic = (uint32_t *) io_apic_address;
}
}
 
/*
* Kernel thread for bringing up application processors. It becomes clear
* that we need an arrangement like this (AP's being initialized by a kernel
* thread), for a thread has its dedicated stack. (The stack used during the
* BSP initialization (prior the very first call to scheduler()) will be used
* as an initialization stack for each AP.)
*/
void kmp(void *arg)
{
unsigned int i;
ASSERT(ops != NULL);
 
waitq_initialize(&ap_completion_wq);
 
/*
* We need to access data in frame 0.
* We boldly make use of kernel address space mapping.
*/
 
/*
* Save 0xa to address 0xf of the CMOS RAM.
* BIOS will not do the POST after the INIT signal.
*/
outb(0x70,0xf);
outb(0x71,0xa);
 
// pic_disable_irqs(0xffff);
apic_init();
 
for (i = 0; i < ops->cpu_count(); i++) {
struct descriptor *gdt_new;
/*
* Skip processors marked unusable.
*/
if (!ops->cpu_enabled(i))
continue;
 
/*
* The bootstrap processor is already up.
*/
if (ops->cpu_bootstrap(i))
continue;
 
if (ops->cpu_apic_id(i) == l_apic_id()) {
printf("%s: bad processor entry #%d, will not send IPI to myself\n", __FUNCTION__, i);
continue;
}
/*
* Prepare new GDT for CPU in question.
*/
if (!(gdt_new = (struct descriptor *) malloc(GDT_ITEMS * sizeof(struct descriptor), FRAME_ATOMIC)))
panic("couldn't allocate memory for GDT\n");
 
memcpy(gdt_new, gdt, GDT_ITEMS * sizeof(struct descriptor));
memsetb(&gdt_new[TSS_DES], sizeof(struct descriptor), 0);
gdtr.base = (uintptr_t) gdt_new;
 
if (l_apic_send_init_ipi(ops->cpu_apic_id(i))) {
/*
* There may be just one AP being initialized at
* the time. After it comes completely up, it is
* supposed to wake us up.
*/
if (waitq_sleep_timeout(&ap_completion_wq, 1000000, SYNCH_FLAGS_NONE) == ESYNCH_TIMEOUT)
printf("%s: waiting for cpu%d (APIC ID = %d) timed out\n", __FUNCTION__, config.cpu_active > i ? config.cpu_active : i, ops->cpu_apic_id(i));
} else
printf("INIT IPI for l_apic%d failed\n", ops->cpu_apic_id(i));
}
}
 
int smp_irq_to_pin(unsigned int irq)
{
ASSERT(ops != NULL);
return ops->irq_to_pin(irq);
}
 
#endif /* CONFIG_SMP */
 
/** @}
*/
/branches/arm/kernel/arch/ia32xen/src/smp/mps.c
0,0 → 1,433
/*
* Copyright (c) 2001-2005 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32xen
* @{
*/
/** @file
*/
 
#ifdef CONFIG_SMP
 
#include <config.h>
#include <print.h>
#include <debug.h>
#include <arch/smp/mps.h>
#include <arch/smp/apic.h>
#include <arch/smp/smp.h>
#include <func.h>
#include <arch/types.h>
#include <cpu.h>
#include <arch/asm.h>
#include <arch/bios/bios.h>
#include <mm/frame.h>
 
/*
* MultiProcessor Specification detection code.
*/
 
#define FS_SIGNATURE 0x5f504d5f
#define CT_SIGNATURE 0x504d4350
 
int mps_fs_check(uint8_t *base);
int mps_ct_check(void);
 
int configure_via_ct(void);
int configure_via_default(uint8_t n);
 
int ct_processor_entry(struct __processor_entry *pr);
void ct_bus_entry(struct __bus_entry *bus);
void ct_io_apic_entry(struct __io_apic_entry *ioa);
void ct_io_intr_entry(struct __io_intr_entry *iointr);
void ct_l_intr_entry(struct __l_intr_entry *lintr);
 
void ct_extended_entries(void);
 
static struct mps_fs *fs;
static struct mps_ct *ct;
 
struct __processor_entry *processor_entries = NULL;
struct __bus_entry *bus_entries = NULL;
struct __io_apic_entry *io_apic_entries = NULL;
struct __io_intr_entry *io_intr_entries = NULL;
struct __l_intr_entry *l_intr_entries = NULL;
 
unsigned int processor_entry_cnt = 0;
unsigned int bus_entry_cnt = 0;
unsigned int io_apic_entry_cnt = 0;
unsigned int io_intr_entry_cnt = 0;
unsigned int l_intr_entry_cnt = 0;
 
waitq_t ap_completion_wq;
 
/*
* Implementation of IA-32 SMP configuration interface.
*/
static count_t get_cpu_count(void);
static bool is_cpu_enabled(index_t i);
static bool is_bsp(index_t i);
static uint8_t get_cpu_apic_id(index_t i);
static int mps_irq_to_pin(unsigned int irq);
 
struct smp_config_operations mps_config_operations = {
.cpu_count = get_cpu_count,
.cpu_enabled = is_cpu_enabled,
.cpu_bootstrap = is_bsp,
.cpu_apic_id = get_cpu_apic_id,
.irq_to_pin = mps_irq_to_pin
};
 
count_t get_cpu_count(void)
{
return processor_entry_cnt;
}
 
bool is_cpu_enabled(index_t i)
{
ASSERT(i < processor_entry_cnt);
return processor_entries[i].cpu_flags & 0x1;
}
 
bool is_bsp(index_t i)
{
ASSERT(i < processor_entry_cnt);
return processor_entries[i].cpu_flags & 0x2;
}
 
uint8_t get_cpu_apic_id(index_t i)
{
ASSERT(i < processor_entry_cnt);
return processor_entries[i].l_apic_id;
}
 
 
/*
* Used to check the integrity of the MP Floating Structure.
*/
int mps_fs_check(uint8_t *base)
{
int i;
uint8_t sum;
for (i = 0, sum = 0; i < 16; i++)
sum += base[i];
return !sum;
}
 
/*
* Used to check the integrity of the MP Configuration Table.
*/
int mps_ct_check(void)
{
uint8_t *base = (uint8_t *) ct;
uint8_t *ext = base + ct->base_table_length;
uint8_t sum;
int i;
/* count the checksum for the base table */
for (i=0,sum=0; i < ct->base_table_length; i++)
sum += base[i];
if (sum)
return 0;
/* count the checksum for the extended table */
for (i=0,sum=0; i < ct->ext_table_length; i++)
sum += ext[i];
return sum == ct->ext_table_checksum;
}
 
void mps_init(void)
{
uint8_t *addr[2] = { NULL, (uint8_t *) PA2KA(0xf0000) };
int i, j, length[2] = { 1024, 64*1024 };
 
/*
* Find MP Floating Pointer Structure
* 1a. search first 1K of EBDA
* 1b. if EBDA is undefined, search last 1K of base memory
* 2. search 64K starting at 0xf0000
*/
 
addr[0] = (uint8_t *) PA2KA(ebda ? ebda : 639 * 1024);
for (i = 0; i < 2; i++) {
for (j = 0; j < length[i]; j += 16) {
if (*((uint32_t *) &addr[i][j]) == FS_SIGNATURE && mps_fs_check(&addr[i][j])) {
fs = (struct mps_fs *) &addr[i][j];
goto fs_found;
}
}
}
 
return;
fs_found:
printf("%p: MPS Floating Pointer Structure\n", fs);
 
if (fs->config_type == 0 && fs->configuration_table) {
if (fs->mpfib2 >> 7) {
printf("%s: PIC mode not supported\n", __func__);
return;
}
 
ct = (struct mps_ct *)PA2KA((uintptr_t)fs->configuration_table);
config.cpu_count = configure_via_ct();
}
else
config.cpu_count = configure_via_default(fs->config_type);
 
return;
}
 
int configure_via_ct(void)
{
uint8_t *cur;
int i, cnt;
if (ct->signature != CT_SIGNATURE) {
printf("%s: bad ct->signature\n", __func__);
return 1;
}
if (!mps_ct_check()) {
printf("%s: bad ct checksum\n", __func__);
return 1;
}
if (ct->oem_table) {
printf("%s: ct->oem_table not supported\n", __func__);
return 1;
}
l_apic = (uint32_t *)(uintptr_t)ct->l_apic;
 
cnt = 0;
cur = &ct->base_table[0];
for (i=0; i < ct->entry_count; i++) {
switch (*cur) {
/* Processor entry */
case 0:
processor_entries = processor_entries ? processor_entries : (struct __processor_entry *) cur;
processor_entry_cnt++;
cnt += ct_processor_entry((struct __processor_entry *) cur);
cur += 20;
break;
 
/* Bus entry */
case 1:
bus_entries = bus_entries ? bus_entries : (struct __bus_entry *) cur;
bus_entry_cnt++;
ct_bus_entry((struct __bus_entry *) cur);
cur += 8;
break;
/* I/O Apic */
case 2:
io_apic_entries = io_apic_entries ? io_apic_entries : (struct __io_apic_entry *) cur;
io_apic_entry_cnt++;
ct_io_apic_entry((struct __io_apic_entry *) cur);
cur += 8;
break;
/* I/O Interrupt Assignment */
case 3:
io_intr_entries = io_intr_entries ? io_intr_entries : (struct __io_intr_entry *) cur;
io_intr_entry_cnt++;
ct_io_intr_entry((struct __io_intr_entry *) cur);
cur += 8;
break;
 
/* Local Interrupt Assignment */
case 4:
l_intr_entries = l_intr_entries ? l_intr_entries : (struct __l_intr_entry *) cur;
l_intr_entry_cnt++;
ct_l_intr_entry((struct __l_intr_entry *) cur);
cur += 8;
break;
 
default:
/*
* Something is wrong. Fallback to UP mode.
*/
printf("%s: ct badness\n", __func__);
return 1;
}
}
/*
* Process extended entries.
*/
ct_extended_entries();
return cnt;
}
 
int configure_via_default(uint8_t n)
{
/*
* Not yet implemented.
*/
printf("%s: not supported\n", __func__);
return 1;
}
 
 
int ct_processor_entry(struct __processor_entry *pr)
{
/*
* Ignore processors which are not marked enabled.
*/
if ((pr->cpu_flags & (1<<0)) == 0)
return 0;
apic_id_mask |= (1<<pr->l_apic_id);
return 1;
}
 
void ct_bus_entry(struct __bus_entry *bus)
{
#ifdef MPSCT_VERBOSE
char buf[7];
memcpy((void *) buf, (void *) bus->bus_type, 6);
buf[6] = 0;
printf("bus%d: %s\n", bus->bus_id, buf);
#endif
}
 
void ct_io_apic_entry(struct __io_apic_entry *ioa)
{
static int io_apic_count = 0;
 
/* this ioapic is marked unusable */
if ((ioa->io_apic_flags & 1) == 0)
return;
if (io_apic_count++ > 0) {
/*
* Multiple IO APIC's are currently not supported.
*/
return;
}
io_apic = (uint32_t *)(uintptr_t)ioa->io_apic;
}
 
//#define MPSCT_VERBOSE
void ct_io_intr_entry(struct __io_intr_entry *iointr)
{
#ifdef MPSCT_VERBOSE
switch (iointr->intr_type) {
case 0: printf("INT"); break;
case 1: printf("NMI"); break;
case 2: printf("SMI"); break;
case 3: printf("ExtINT"); break;
}
putchar(',');
switch (iointr->poel&3) {
case 0: printf("bus-like"); break;
case 1: printf("active high"); break;
case 2: printf("reserved"); break;
case 3: printf("active low"); break;
}
putchar(',');
switch ((iointr->poel>>2)&3) {
case 0: printf("bus-like"); break;
case 1: printf("edge-triggered"); break;
case 2: printf("reserved"); break;
case 3: printf("level-triggered"); break;
}
putchar(',');
printf("bus%d,irq%d", iointr->src_bus_id, iointr->src_bus_irq);
putchar(',');
printf("io_apic%d,pin%d", iointr->dst_io_apic_id, iointr->dst_io_apic_pin);
putchar('\n');
#endif
}
 
void ct_l_intr_entry(struct __l_intr_entry *lintr)
{
#ifdef MPSCT_VERBOSE
switch (lintr->intr_type) {
case 0: printf("INT"); break;
case 1: printf("NMI"); break;
case 2: printf("SMI"); break;
case 3: printf("ExtINT"); break;
}
putchar(',');
switch (lintr->poel&3) {
case 0: printf("bus-like"); break;
case 1: printf("active high"); break;
case 2: printf("reserved"); break;
case 3: printf("active low"); break;
}
putchar(',');
switch ((lintr->poel>>2)&3) {
case 0: printf("bus-like"); break;
case 1: printf("edge-triggered"); break;
case 2: printf("reserved"); break;
case 3: printf("level-triggered"); break;
}
putchar(',');
printf("bus%d,irq%d", lintr->src_bus_id, lintr->src_bus_irq);
putchar(',');
printf("l_apic%d,pin%d", lintr->dst_l_apic_id, lintr->dst_l_apic_pin);
putchar('\n');
#endif
}
 
void ct_extended_entries(void)
{
uint8_t *ext = (uint8_t *) ct + ct->base_table_length;
uint8_t *cur;
 
for (cur = ext; cur < ext + ct->ext_table_length; cur += cur[CT_EXT_ENTRY_LEN]) {
switch (cur[CT_EXT_ENTRY_TYPE]) {
default:
printf("%p: skipping MP Configuration Table extended entry type %d\n", cur, cur[CT_EXT_ENTRY_TYPE]);
break;
}
}
}
 
int mps_irq_to_pin(unsigned int irq)
{
unsigned int i;
for (i = 0; i < io_intr_entry_cnt; i++) {
if (io_intr_entries[i].src_bus_irq == irq && io_intr_entries[i].intr_type == 0)
return io_intr_entries[i].dst_io_apic_pin;
}
return -1;
}
 
#endif /* CONFIG_SMP */
 
/** @}
*/
/branches/arm/kernel/arch/ia32xen/src/smp/apic.c
0,0 → 1,581
/*
* Copyright (c) 2001-2004 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32xen
* @{
*/
/** @file
*/
 
#include <arch/types.h>
#include <arch/smp/apic.h>
#include <arch/smp/ap.h>
#include <arch/smp/mps.h>
#include <mm/page.h>
#include <time/delay.h>
#include <interrupt.h>
#include <arch/interrupt.h>
#include <print.h>
#include <arch/asm.h>
#include <arch.h>
 
#ifdef CONFIG_SMP
 
/*
* Advanced Programmable Interrupt Controller for SMP systems.
* Tested on:
* Bochs 2.0.2 - Bochs 2.2.6 with 2-8 CPUs
* Simics 2.0.28 - Simics 2.2.19 2-15 CPUs
* VMware Workstation 5.5 with 2 CPUs
* QEMU 0.8.0 with 2-15 CPUs
* ASUS P/I-P65UP5 + ASUS C-P55T2D REV. 1.41 with 2x 200Mhz Pentium CPUs
* ASUS PCH-DL with 2x 3000Mhz Pentium 4 Xeon (HT) CPUs
* MSI K7D Master-L with 2x 2100MHz Athlon MP CPUs
*/
 
/*
* These variables either stay configured as initilalized, or are changed by
* the MP configuration code.
*
* Pay special attention to the volatile keyword. Without it, gcc -O2 would
* optimize the code too much and accesses to l_apic and io_apic, that must
* always be 32-bit, would use byte oriented instructions.
*/
volatile uint32_t *l_apic = (uint32_t *) 0xfee00000;
volatile uint32_t *io_apic = (uint32_t *) 0xfec00000;
 
uint32_t apic_id_mask = 0;
 
static int apic_poll_errors(void);
 
#ifdef LAPIC_VERBOSE
static char *delmod_str[] = {
"Fixed",
"Lowest Priority",
"SMI",
"Reserved",
"NMI",
"INIT",
"STARTUP",
"ExtInt"
};
 
static char *destmod_str[] = {
"Physical",
"Logical"
};
 
static char *trigmod_str[] = {
"Edge",
"Level"
};
 
static char *mask_str[] = {
"Unmasked",
"Masked"
};
 
static char *delivs_str[] = {
"Idle",
"Send Pending"
};
 
static char *tm_mode_str[] = {
"One-shot",
"Periodic"
};
 
static char *intpol_str[] = {
"Polarity High",
"Polarity Low"
};
#endif /* LAPIC_VERBOSE */
 
 
static void apic_spurious(int n, istate_t *istate);
static void l_apic_timer_interrupt(int n, istate_t *istate);
 
/** Initialize APIC on BSP. */
void apic_init(void)
{
io_apic_id_t idreg;
unsigned int i;
 
exc_register(VECTOR_APIC_SPUR, "apic_spurious", (iroutine) apic_spurious);
 
enable_irqs_function = io_apic_enable_irqs;
disable_irqs_function = io_apic_disable_irqs;
eoi_function = l_apic_eoi;
/*
* Configure interrupt routing.
* IRQ 0 remains masked as the time signal is generated by l_apic's themselves.
* Other interrupts will be forwarded to the lowest priority CPU.
*/
io_apic_disable_irqs(0xffff);
exc_register(VECTOR_CLK, "l_apic_timer", (iroutine) l_apic_timer_interrupt);
for (i = 0; i < IRQ_COUNT; i++) {
int pin;
if ((pin = smp_irq_to_pin(i)) != -1) {
io_apic_change_ioredtbl(pin, DEST_ALL, IVT_IRQBASE+i, LOPRI);
}
}
/*
* Ensure that io_apic has unique ID.
*/
idreg.value = io_apic_read(IOAPICID);
if ((1 << idreg.apic_id) & apic_id_mask) { /* see if IO APIC ID is used already */
for (i = 0; i < APIC_ID_COUNT; i++) {
if (!((1<<i) & apic_id_mask)) {
idreg.apic_id = i;
io_apic_write(IOAPICID, idreg.value);
break;
}
}
}
 
/*
* Configure the BSP's lapic.
*/
l_apic_init();
 
l_apic_debug();
}
 
/** APIC spurious interrupt handler.
*
* @param n Interrupt vector.
* @param istate Interrupted state.
*/
void apic_spurious(int n, istate_t *istate)
{
#ifdef CONFIG_DEBUG
printf("cpu%d: APIC spurious interrupt\n", CPU->id);
#endif
}
 
/** Poll for APIC errors.
*
* Examine Error Status Register and report all errors found.
*
* @return 0 on error, 1 on success.
*/
int apic_poll_errors(void)
{
esr_t esr;
esr.value = l_apic[ESR];
if (esr.send_checksum_error)
printf("Send Checksum Error\n");
if (esr.receive_checksum_error)
printf("Receive Checksum Error\n");
if (esr.send_accept_error)
printf("Send Accept Error\n");
if (esr.receive_accept_error)
printf("Receive Accept Error\n");
if (esr.send_illegal_vector)
printf("Send Illegal Vector\n");
if (esr.received_illegal_vector)
printf("Received Illegal Vector\n");
if (esr.illegal_register_address)
printf("Illegal Register Address\n");
 
return !esr.err_bitmap;
}
 
/** Send all CPUs excluding CPU IPI vector.
*
* @param vector Interrupt vector to be sent.
*
* @return 0 on failure, 1 on success.
*/
int l_apic_broadcast_custom_ipi(uint8_t vector)
{
icr_t icr;
 
icr.lo = l_apic[ICRlo];
icr.delmod = DELMOD_FIXED;
icr.destmod = DESTMOD_LOGIC;
icr.level = LEVEL_ASSERT;
icr.shorthand = SHORTHAND_ALL_EXCL;
icr.trigger_mode = TRIGMOD_LEVEL;
icr.vector = vector;
 
l_apic[ICRlo] = icr.lo;
 
icr.lo = l_apic[ICRlo];
if (icr.delivs == DELIVS_PENDING) {
#ifdef CONFIG_DEBUG
printf("IPI is pending.\n");
#endif
}
 
return apic_poll_errors();
}
 
/** Universal Start-up Algorithm for bringing up the AP processors.
*
* @param apicid APIC ID of the processor to be brought up.
*
* @return 0 on failure, 1 on success.
*/
int l_apic_send_init_ipi(uint8_t apicid)
{
icr_t icr;
int i;
 
/*
* Read the ICR register in and zero all non-reserved fields.
*/
icr.lo = l_apic[ICRlo];
icr.hi = l_apic[ICRhi];
icr.delmod = DELMOD_INIT;
icr.destmod = DESTMOD_PHYS;
icr.level = LEVEL_ASSERT;
icr.trigger_mode = TRIGMOD_LEVEL;
icr.shorthand = SHORTHAND_NONE;
icr.vector = 0;
icr.dest = apicid;
l_apic[ICRhi] = icr.hi;
l_apic[ICRlo] = icr.lo;
 
/*
* According to MP Specification, 20us should be enough to
* deliver the IPI.
*/
delay(20);
 
if (!apic_poll_errors())
return 0;
 
icr.lo = l_apic[ICRlo];
if (icr.delivs == DELIVS_PENDING) {
#ifdef CONFIG_DEBUG
printf("IPI is pending.\n");
#endif
}
 
icr.delmod = DELMOD_INIT;
icr.destmod = DESTMOD_PHYS;
icr.level = LEVEL_DEASSERT;
icr.shorthand = SHORTHAND_NONE;
icr.trigger_mode = TRIGMOD_LEVEL;
icr.vector = 0;
l_apic[ICRlo] = icr.lo;
 
/*
* Wait 10ms as MP Specification specifies.
*/
delay(10000);
 
if (!is_82489DX_apic(l_apic[LAVR])) {
/*
* If this is not 82489DX-based l_apic we must send two STARTUP IPI's.
*/
for (i = 0; i < 2; i++) {
icr.lo = l_apic[ICRlo];
icr.delmod = DELMOD_STARTUP;
icr.destmod = DESTMOD_PHYS;
icr.level = LEVEL_ASSERT;
icr.shorthand = SHORTHAND_NONE;
icr.trigger_mode = TRIGMOD_LEVEL;
l_apic[ICRlo] = icr.lo;
delay(200);
}
}
return apic_poll_errors();
}
 
/** Initialize Local APIC. */
void l_apic_init(void)
{
lvt_error_t error;
lvt_lint_t lint;
tpr_t tpr;
svr_t svr;
icr_t icr;
tdcr_t tdcr;
lvt_tm_t tm;
ldr_t ldr;
dfr_t dfr;
uint32_t t1, t2;
 
/* Initialize LVT Error register. */
error.value = l_apic[LVT_Err];
error.masked = true;
l_apic[LVT_Err] = error.value;
 
/* Initialize LVT LINT0 register. */
lint.value = l_apic[LVT_LINT0];
lint.masked = true;
l_apic[LVT_LINT0] = lint.value;
 
/* Initialize LVT LINT1 register. */
lint.value = l_apic[LVT_LINT1];
lint.masked = true;
l_apic[LVT_LINT1] = lint.value;
 
/* Task Priority Register initialization. */
tpr.value = l_apic[TPR];
tpr.pri_sc = 0;
tpr.pri = 0;
l_apic[TPR] = tpr.value;
/* Spurious-Interrupt Vector Register initialization. */
svr.value = l_apic[SVR];
svr.vector = VECTOR_APIC_SPUR;
svr.lapic_enabled = true;
svr.focus_checking = true;
l_apic[SVR] = svr.value;
 
if (CPU->arch.family >= 6)
enable_l_apic_in_msr();
/* Interrupt Command Register initialization. */
icr.lo = l_apic[ICRlo];
icr.delmod = DELMOD_INIT;
icr.destmod = DESTMOD_PHYS;
icr.level = LEVEL_DEASSERT;
icr.shorthand = SHORTHAND_ALL_INCL;
icr.trigger_mode = TRIGMOD_LEVEL;
l_apic[ICRlo] = icr.lo;
/* Timer Divide Configuration Register initialization. */
tdcr.value = l_apic[TDCR];
tdcr.div_value = DIVIDE_1;
l_apic[TDCR] = tdcr.value;
 
/* Program local timer. */
tm.value = l_apic[LVT_Tm];
tm.vector = VECTOR_CLK;
tm.mode = TIMER_PERIODIC;
tm.masked = false;
l_apic[LVT_Tm] = tm.value;
 
/*
* Measure and configure the timer to generate timer
* interrupt with period 1s/HZ seconds.
*/
t1 = l_apic[CCRT];
l_apic[ICRT] = 0xffffffff;
 
while (l_apic[CCRT] == t1)
;
t1 = l_apic[CCRT];
delay(1000000/HZ);
t2 = l_apic[CCRT];
l_apic[ICRT] = t1-t2;
/* Program Logical Destination Register. */
ldr.value = l_apic[LDR];
if (CPU->id < sizeof(CPU->id) * 8) /* size in bits */
ldr.id = (1 << CPU->id);
l_apic[LDR] = ldr.value;
/* Program Destination Format Register for Flat mode. */
dfr.value = l_apic[DFR];
dfr.model = MODEL_FLAT;
l_apic[DFR] = dfr.value;
}
 
/** Local APIC End of Interrupt. */
void l_apic_eoi(void)
{
l_apic[EOI] = 0;
}
 
/** Dump content of Local APIC registers. */
void l_apic_debug(void)
{
#ifdef LAPIC_VERBOSE
lvt_tm_t tm;
lvt_lint_t lint;
lvt_error_t error;
printf("LVT on cpu%d, LAPIC ID: %d\n", CPU->id, l_apic_id());
 
tm.value = l_apic[LVT_Tm];
printf("LVT Tm: vector=%hhd, %s, %s, %s\n", tm.vector, delivs_str[tm.delivs], mask_str[tm.masked], tm_mode_str[tm.mode]);
lint.value = l_apic[LVT_LINT0];
printf("LVT LINT0: vector=%hhd, %s, %s, %s, irr=%d, %s, %s\n", tm.vector, delmod_str[lint.delmod], delivs_str[lint.delivs], intpol_str[lint.intpol], lint.irr, trigmod_str[lint.trigger_mode], mask_str[lint.masked]);
lint.value = l_apic[LVT_LINT1];
printf("LVT LINT1: vector=%hhd, %s, %s, %s, irr=%d, %s, %s\n", tm.vector, delmod_str[lint.delmod], delivs_str[lint.delivs], intpol_str[lint.intpol], lint.irr, trigmod_str[lint.trigger_mode], mask_str[lint.masked]);
error.value = l_apic[LVT_Err];
printf("LVT Err: vector=%hhd, %s, %s\n", error.vector, delivs_str[error.delivs], mask_str[error.masked]);
#endif
}
 
/** Local APIC Timer Interrupt.
*
* @param n Interrupt vector number.
* @param istate Interrupted state.
*/
void l_apic_timer_interrupt(int n, istate_t *istate)
{
l_apic_eoi();
clock();
}
 
/** Get Local APIC ID.
*
* @return Local APIC ID.
*/
uint8_t l_apic_id(void)
{
l_apic_id_t idreg;
idreg.value = l_apic[L_APIC_ID];
return idreg.apic_id;
}
 
/** Read from IO APIC register.
*
* @param address IO APIC register address.
*
* @return Content of the addressed IO APIC register.
*/
uint32_t io_apic_read(uint8_t address)
{
io_regsel_t regsel;
regsel.value = io_apic[IOREGSEL];
regsel.reg_addr = address;
io_apic[IOREGSEL] = regsel.value;
return io_apic[IOWIN];
}
 
/** Write to IO APIC register.
*
* @param address IO APIC register address.
* @param x Content to be written to the addressed IO APIC register.
*/
void io_apic_write(uint8_t address, uint32_t x)
{
io_regsel_t regsel;
regsel.value = io_apic[IOREGSEL];
regsel.reg_addr = address;
io_apic[IOREGSEL] = regsel.value;
io_apic[IOWIN] = x;
}
 
/** Change some attributes of one item in I/O Redirection Table.
*
* @param pin IO APIC pin number.
* @param dest Interrupt destination address.
* @param v Interrupt vector to trigger.
* @param flags Flags.
*/
void io_apic_change_ioredtbl(uint8_t pin, uint8_t dest, uint8_t v, int flags)
{
io_redirection_reg_t reg;
int dlvr = DELMOD_FIXED;
if (flags & LOPRI)
dlvr = DELMOD_LOWPRI;
 
reg.lo = io_apic_read(IOREDTBL + pin * 2);
reg.hi = io_apic_read(IOREDTBL + pin * 2 + 1);
reg.dest = dest;
reg.destmod = DESTMOD_LOGIC;
reg.trigger_mode = TRIGMOD_EDGE;
reg.intpol = POLARITY_HIGH;
reg.delmod = dlvr;
reg.intvec = v;
 
io_apic_write(IOREDTBL + pin * 2, reg.lo);
io_apic_write(IOREDTBL + pin * 2 + 1, reg.hi);
}
 
/** Mask IRQs in IO APIC.
*
* @param irqmask Bitmask of IRQs to be masked (0 = do not mask, 1 = mask).
*/
void io_apic_disable_irqs(uint16_t irqmask)
{
io_redirection_reg_t reg;
unsigned int i;
int pin;
for (i = 0; i < 16; i++) {
if (irqmask & (1 << i)) {
/*
* Mask the signal input in IO APIC if there is a
* mapping for the respective IRQ number.
*/
pin = smp_irq_to_pin(i);
if (pin != -1) {
reg.lo = io_apic_read(IOREDTBL + pin * 2);
reg.masked = true;
io_apic_write(IOREDTBL + pin*2, reg.lo);
}
}
}
}
 
/** Unmask IRQs in IO APIC.
*
* @param irqmask Bitmask of IRQs to be unmasked (0 = do not unmask, 1 = unmask).
*/
void io_apic_enable_irqs(uint16_t irqmask)
{
unsigned int i;
int pin;
io_redirection_reg_t reg;
for (i = 0; i < 16; i++) {
if (irqmask & (1 << i)) {
/*
* Unmask the signal input in IO APIC if there is a
* mapping for the respective IRQ number.
*/
pin = smp_irq_to_pin(i);
if (pin != -1) {
reg.lo = io_apic_read(IOREDTBL + pin * 2);
reg.masked = false;
io_apic_write(IOREDTBL + pin*2, reg.lo);
}
}
}
}
 
#endif /* CONFIG_SMP */
 
/** @}
*/
/branches/arm/kernel/arch/ia32xen/src/smp/ipi.c
0,0 → 1,48
/*
* Copyright (c) 2005 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32xen
* @{
*/
/** @file
*/
 
#ifdef CONFIG_SMP
 
#include <smp/ipi.h>
#include <arch/smp/apic.h>
 
void ipi_broadcast_arch(int ipi)
{
(void) l_apic_broadcast_custom_ipi((uint8_t) ipi);
}
 
#endif /* CONFIG_SMP */
 
/** @}
*/
/branches/arm/kernel/arch/ia32xen/src/context.S
0,0 → 1,0
link ../../ia32/src/context.S
Property changes:
Added: svn:special
+*
\ No newline at end of property
/branches/arm/kernel/arch/ia32xen/src/mm/tlb.c
0,0 → 1,75
/*
* Copyright (c) 2006 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32xen_mm
* @{
*/
/** @file
* @ingroup ia32xen_mm
*/
 
#include <mm/tlb.h>
#include <arch/mm/asid.h>
#include <arch/asm.h>
#include <arch/types.h>
#include <arch/hypercall.h>
 
/** Invalidate all entries in TLB. */
void tlb_invalidate_all(void)
{
mmuext_op_t mmu_ext;
mmu_ext.cmd = MMUEXT_TLB_FLUSH_LOCAL;
xen_mmuext_op(&mmu_ext, 1, NULL, DOMID_SELF);
}
 
/** Invalidate all entries in TLB that belong to specified address space.
*
* @param asid This parameter is ignored as the architecture doesn't support it.
*/
void tlb_invalidate_asid(asid_t asid)
{
tlb_invalidate_all();
}
 
/** Invalidate TLB entries for specified page range belonging to specified address space.
*
* @param asid This parameter is ignored as the architecture doesn't support it.
* @param page Address of the first page whose entry is to be invalidated.
* @param cnt Number of entries to invalidate.
*/
void tlb_invalidate_pages(asid_t asid, uintptr_t page, count_t cnt)
{
unsigned int i;
 
for (i = 0; i < cnt; i++)
invlpg(page + i * PAGE_SIZE);
}
 
/** @}
*/
/branches/arm/kernel/arch/ia32xen/src/mm/frame.c
0,0 → 1,57
/*
* Copyright (c) 2006 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32xen_mm
* @{
*/
/** @file
* @ingroup ia32xen_mm
*/
 
#include <mm/frame.h>
#include <config.h>
 
void physmem_print(void)
{
printf("Base Size Reserved\n");
printf("---------- ---------- ---------\n");
printf("%#10x %#10x %#10x\n", PFN2ADDR(meminfo.start),
PFN2ADDR(meminfo.size), PFN2ADDR(meminfo.reserved));
}
 
void frame_arch_init(void)
{
if (config.cpu_active == 1) {
/* The only memory zone */
zone_create(meminfo.start, meminfo.size, meminfo.start + meminfo.reserved, 0);
frame_mark_unavailable(meminfo.start, meminfo.reserved);
}
}
 
/** @}
*/
/branches/arm/kernel/arch/ia32xen/src/mm/page.c
0,0 → 1,86
/*
* Copyright (c) 2006 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32xen_mm
* @{
*/
/** @file
*/
 
#include <arch/mm/page.h>
#include <genarch/mm/page_pt.h>
#include <arch/mm/frame.h>
#include <mm/frame.h>
#include <mm/page.h>
#include <mm/as.h>
#include <arch/types.h>
#include <align.h>
#include <config.h>
#include <func.h>
#include <arch/interrupt.h>
#include <arch/asm.h>
#include <debug.h>
#include <memstr.h>
#include <print.h>
#include <interrupt.h>
 
void page_arch_init(void)
{
if (config.cpu_active == 1) {
page_mapping_operations = &pt_mapping_operations;
AS_KERNEL->genarch.page_table = (pte_t *) KA2PA(start_info.ptl0);
} else
SET_PTL0_ADDRESS_ARCH(AS_KERNEL->genarch.page_table);
}
 
void page_fault(int n, istate_t *istate)
{
uintptr_t page;
pf_access_t access;
page = read_cr2();
if (istate->error_word & PFERR_CODE_RSVD)
panic("Reserved bit set in page directory.\n");
if (istate->error_word & PFERR_CODE_RW)
access = PF_ACCESS_WRITE;
else
access = PF_ACCESS_READ;
if (as_page_fault(page, access, istate) == AS_PF_FAULT) {
fault_if_from_uspace(istate, "Page fault: %#x", page);
decode_istate(istate);
printf("page fault address: %#x\n", page);
panic("page fault\n");
}
}
 
/** @}
*/
/branches/arm/kernel/arch/ia32xen/src/mm/as.c
0,0 → 1,46
/*
* Copyright (c) 2006 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32xen_mm
* @{
*/
/** @file
* @ingroup ia32xen_mm
*/
 
#include <arch/mm/as.h>
#include <genarch/mm/page_pt.h>
 
/** Architecture dependent address space init. */
void as_arch_init(void)
{
as_operations = &as_pt_operations;
}
 
/** @}
*/
/branches/arm/kernel/arch/ia32xen/src/interrupt.c
0,0 → 1,248
/*
* Copyright (c) 2006 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32xen_interrupt
* @{
*/
/** @file
*/
 
#include <arch/interrupt.h>
#include <syscall/syscall.h>
#include <print.h>
#include <debug.h>
#include <panic.h>
#include <func.h>
#include <cpu.h>
#include <arch/asm.h>
#include <mm/tlb.h>
#include <mm/as.h>
#include <arch.h>
#include <symtab.h>
#include <proc/thread.h>
#include <proc/task.h>
#include <synch/spinlock.h>
#include <arch/ddi/ddi.h>
#include <ipc/sysipc.h>
#include <interrupt.h>
#include <ddi/irq.h>
 
/*
* Interrupt and exception dispatching.
*/
 
void (* disable_irqs_function)(uint16_t irqmask) = NULL;
void (* enable_irqs_function)(uint16_t irqmask) = NULL;
void (* eoi_function)(void) = NULL;
 
void decode_istate(istate_t *istate)
{
char *symbol = get_symtab_entry(istate->eip);
 
if (!symbol)
symbol = "";
 
if (CPU)
printf("----------------EXCEPTION OCCURED (cpu%d)----------------\n", CPU->id);
else
printf("----------------EXCEPTION OCCURED----------------\n");
printf("%%eip: %#x (%s)\n",istate->eip,symbol);
printf("ERROR_WORD=%#x\n", istate->error_word);
printf("%%cs=%#x,flags=%#x\n", istate->cs, istate->eflags);
printf("%%eax=%#x, %%ecx=%#x, %%edx=%#x, %%esp=%#x\n", istate->eax,istate->ecx,istate->edx,&istate->stack[0]);
#ifdef CONFIG_DEBUG_ALLREGS
printf("%%esi=%#x, %%edi=%#x, %%ebp=%#x, %%ebx=%#x\n", istate->esi,istate->edi,istate->ebp,istate->ebx);
#endif
printf("stack: %#x, %#x, %#x, %#x\n", istate->stack[0], istate->stack[1], istate->stack[2], istate->stack[3]);
printf(" %#x, %#x, %#x, %#x\n", istate->stack[4], istate->stack[5], istate->stack[6], istate->stack[7]);
}
 
static void trap_virtual_eoi(void)
{
if (eoi_function)
eoi_function();
else
panic("no eoi_function\n");
 
}
 
static void null_interrupt(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "unserviced interrupt: %d", n);
 
decode_istate(istate);
panic("unserviced interrupt: %d\n", n);
}
 
/** General Protection Fault. */
static void gp_fault(int n, istate_t *istate)
{
if (TASK) {
count_t ver;
spinlock_lock(&TASK->lock);
ver = TASK->arch.iomapver;
spinlock_unlock(&TASK->lock);
if (CPU->arch.iomapver_copy != ver) {
/*
* This fault can be caused by an early access
* to I/O port because of an out-dated
* I/O Permission bitmap installed on CPU.
* Install the fresh copy and restart
* the instruction.
*/
io_perm_bitmap_install();
return;
}
fault_if_from_uspace(istate, "general protection fault");
}
 
decode_istate(istate);
panic("general protection fault\n");
}
 
static void ss_fault(int n, istate_t *istate)
{
fault_if_from_uspace(istate, "stack fault");
 
decode_istate(istate);
panic("stack fault\n");
}
 
static void simd_fp_exception(int n, istate_t *istate)
{
uint32_t mxcsr;
asm
(
"stmxcsr %0;\n"
:"=m"(mxcsr)
);
fault_if_from_uspace(istate, "SIMD FP exception(19), MXCSR: %#zx",
(unative_t)mxcsr);
 
decode_istate(istate);
printf("MXCSR: %#zx\n",(unative_t)(mxcsr));
panic("SIMD FP exception(19)\n");
}
 
static void nm_fault(int n, istate_t *istate)
{
#ifdef CONFIG_FPU_LAZY
scheduler_fpu_lazy_request();
#else
fault_if_from_uspace(istate, "fpu fault");
panic("fpu fault");
#endif
}
 
#ifdef CONFIG_SMP
static void tlb_shootdown_ipi(int n, istate_t *istate)
{
trap_virtual_eoi();
tlb_shootdown_ipi_recv();
}
#endif
 
/** Handler of IRQ exceptions */
static void irq_interrupt(int n, istate_t *istate)
{
ASSERT(n >= IVT_IRQBASE);
int inum = n - IVT_IRQBASE;
bool ack = false;
ASSERT(inum < IRQ_COUNT);
ASSERT((inum != IRQ_PIC_SPUR) && (inum != IRQ_PIC1));
irq_t *irq = irq_dispatch_and_lock(inum);
if (irq) {
/*
* The IRQ handler was found.
*/
if (irq->preack) {
/* Send EOI before processing the interrupt */
trap_virtual_eoi();
ack = true;
}
irq->handler(irq, irq->arg);
spinlock_unlock(&irq->lock);
} else {
/*
* Spurious interrupt.
*/
#ifdef CONFIG_DEBUG
printf("cpu%d: spurious interrupt (inum=%d)\n", CPU->id, inum);
#endif
}
if (!ack)
trap_virtual_eoi();
}
 
void interrupt_init(void)
{
int i;
for (i = 0; i < IVT_ITEMS; i++)
exc_register(i, "null", (iroutine) null_interrupt);
for (i = 0; i < IRQ_COUNT; i++) {
if ((i != IRQ_PIC_SPUR) && (i != IRQ_PIC1))
exc_register(IVT_IRQBASE + i, "irq", (iroutine) irq_interrupt);
}
exc_register(7, "nm_fault", (iroutine) nm_fault);
exc_register(12, "ss_fault", (iroutine) ss_fault);
exc_register(13, "gp_fault", (iroutine) gp_fault);
exc_register(19, "simd_fp", (iroutine) simd_fp_exception);
#ifdef CONFIG_SMP
exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown", (iroutine) tlb_shootdown_ipi);
#endif
}
 
void trap_virtual_enable_irqs(uint16_t irqmask)
{
if (enable_irqs_function)
enable_irqs_function(irqmask);
else
panic("no enable_irqs_function\n");
}
 
void trap_virtual_disable_irqs(uint16_t irqmask)
{
if (disable_irqs_function)
disable_irqs_function(irqmask);
else
panic("no disable_irqs_function\n");
}
 
/** @}
*/
/branches/arm/kernel/arch/ia32xen/src/boot/boot.S
0,0 → 1,102
#
# Copyright (c) 2006 Martin Decky
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# - Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# - Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# - The name of the author may not be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
 
#include <arch/mm/page.h>
#include <arch/hypercall.h>
 
#define ELFNOTE(name, type, desctype, descval) \
.section .note.name; \
.align 4; \
.long 2f - 1f; \
.long 4f - 3f; \
.long type; \
1:.asciz #name; \
2:.align 4; \
3:desctype descval; \
4:.align 4
 
ELFNOTE(Xen, XEN_ELFNOTE_GUEST_OS, .asciz, "HelenOS")
ELFNOTE(Xen, XEN_ELFNOTE_GUEST_VERSION, .asciz, RELEASE)
ELFNOTE(Xen, XEN_ELFNOTE_XEN_VERSION, .asciz, "xen-3.0")
ELFNOTE(Xen, XEN_ELFNOTE_VIRT_BASE, .long, PA2KA(BOOT_OFFSET))
ELFNOTE(Xen, XEN_ELFNOTE_PADDR_OFFSET, .long, 0)
ELFNOTE(Xen, XEN_ELFNOTE_ENTRY, .long, kernel_image_start)
ELFNOTE(Xen, XEN_ELFNOTE_HYPERCALL_PAGE, .long, hypercall_page)
ELFNOTE(Xen, XEN_ELFNOTE_FEATURES, .asciz, "auto_translated_physmap|supervisor_mode_kernel")
ELFNOTE(Xen, XEN_ELFNOTE_PAE_MODE, .asciz, "no")
ELFNOTE(Xen, XEN_ELFNOTE_LOADER, .asciz, "generic")
 
.text
 
.code32
.align 4
.global kernel_image_start
kernel_image_start:
# copy start_info (esi initialized by Xen)
movl $start_info, %edi
movl $START_INFO_SIZE >> 2, %ecx
cld
rep movsb
# switch to temporal kernel stack
movl $kernel_stack, %esp
call arch_pre_main
call main_bsp # never returns
 
cli
hlt
 
kernel_stack_bottom:
.space TEMP_STACK_SIZE
kernel_stack:
 
.section K_TEXT_START, "aw", @progbits
.global hypercall_page
.org 0
hypercall_page:
.space PAGE_SIZE
 
.global shared_info
.org 0x1000
shared_info:
.space PAGE_SIZE
 
.global console_page
.org 0x2000
console_page:
.space PAGE_SIZE
 
# Xen 3.0.3 ELF loader is somehow buggy
# thus this workaround
.global dummy_fill
dummy_fill:
.space (1024 * 1024)
/branches/arm/kernel/arch/ia32xen/src/proc/scheduler.c
0,0 → 1,81
/*
* Copyright (c) 2005 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32xen_proc
* @{
*/
/** @file
*/
 
#include <proc/scheduler.h>
#include <cpu.h>
#include <proc/task.h>
#include <proc/thread.h>
#include <arch.h>
#include <arch/context.h> /* SP_DELTA */
#include <arch/debugger.h>
#include <arch/pm.h>
#include <arch/asm.h>
#include <arch/ddi/ddi.h>
 
/** Perform ia32 specific tasks needed before the new task is run.
*
* Interrupts are disabled.
*/
void before_task_runs_arch(void)
{
// io_perm_bitmap_install();
}
 
/** Perform ia32 specific tasks needed before the new thread is scheduled.
*
* THREAD is locked and interrupts are disabled.
*/
void before_thread_runs_arch(void)
{
CPU->arch.tss->esp0 = (uintptr_t) &THREAD->kstack[THREAD_STACK_SIZE-SP_DELTA];
CPU->arch.tss->ss0 = selector(KDATA_DES);
 
/* Set up TLS in GS register */
// set_tls_desc(THREAD->arch.tls);
 
#ifdef CONFIG_DEBUG_AS_WATCHPOINT
/* Set watchpoint on AS to ensure that nobody sets it to zero */
if (CPU->id < BKPOINTS_MAX)
breakpoint_add(&((the_t *) THREAD->kstack)->as,
BKPOINT_WRITE | BKPOINT_CHECK_ZERO,
CPU->id);
#endif
}
 
void after_thread_ran_arch(void)
{
}
 
/** @}
*/
/branches/arm/kernel/arch/ia32xen/src/proc/task.c
0,0 → 1,61
/*
* Copyright (c) 2006 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32xen_proc
* @{
*/
/** @file
*/
 
#include <proc/task.h>
#include <arch/types.h>
#include <adt/bitmap.h>
#include <mm/slab.h>
 
/** Perform ia32 specific task initialization.
*
* @param t Task to be initialized.
*/
void task_create_arch(task_t *t)
{
t->arch.iomapver = 0;
bitmap_initialize(&t->arch.iomap, NULL, 0);
}
 
/** Perform ia32 specific task destruction.
*
* @param t Task to be initialized.
*/
void task_destroy_arch(task_t *t)
{
if (t->arch.iomap.map)
free(t->arch.iomap.map);
}
 
/** @}
*/
/branches/arm/kernel/arch/ia32xen/src/proc/thread.c
0,0 → 1,47
/*
* Copyright (c) 2006 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32xen_proc
* @{
*/
/** @file
*/
 
#include <proc/thread.h>
 
/** Perform ia32xen specific thread initialization.
*
* @param t Thread to be initialized.
*/
void thread_create_arch(thread_t *t)
{
t->arch.tls = 0;
}
 
/** @}
*/
/branches/arm/kernel/arch/ia32xen/src/drivers/xconsole.c
0,0 → 1,83
/*
* Copyright (c) 2006 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32xen
* @{
*/
/**
* @file
* @brief ia32xen console driver.
*/
 
#include <arch/drivers/xconsole.h>
#include <putchar.h>
#include <console/chardev.h>
#include <console/console.h>
#include <arch/hypercall.h>
 
#define MASK_INDEX(index, ring) ((index) & (sizeof(ring) - 1))
 
static void xen_putchar(chardev_t *d, const char ch);
 
chardev_t xen_console;
static chardev_operations_t xen_ops = {
.write = xen_putchar
};
 
void xen_console_init(void)
{
chardev_initialize("xen_out", &xen_console, &xen_ops);
stdout = &xen_console;
}
 
void xen_putchar(chardev_t *d, const char ch)
{
if (start_info.console.domU.evtchn != 0) {
uint32_t cons = console_page.out_cons;
uint32_t prod = console_page.out_prod;
memory_barrier();
if ((prod - cons) > sizeof(console_page.out))
return;
if (ch == '\n')
console_page.out[MASK_INDEX(prod++, console_page.out)] = '\r';
console_page.out[MASK_INDEX(prod++, console_page.out)] = ch;
write_barrier();
console_page.out_prod = prod;
xen_notify_remote(start_info.console.domU.evtchn);
} else
xen_console_io(CONSOLE_IO_WRITE, 1, &ch);
}
 
/** @}
*/
/branches/arm/kernel/arch/ia32xen/src/fpu_context.c
0,0 → 1,0
link ../../ia32/src/fpu_context.c
Property changes:
Added: svn:special
+*
\ No newline at end of property
/branches/arm/kernel/arch/ia32xen/src/debug
0,0 → 1,0
link ../../ia32/src/debug
Property changes:
Added: svn:special
+*
\ No newline at end of property
/branches/arm/kernel/arch/ia32xen/src/cpu
0,0 → 1,0
link ../../ia32/src/cpu
Property changes:
Added: svn:special
+*
\ No newline at end of property
/branches/arm/kernel/arch/ia32xen/src/bios
0,0 → 1,0
link ../../ia32/src/bios
Property changes:
Added: svn:special
+*
\ No newline at end of property
/branches/arm/kernel/arch/ia32xen/src/delay.s
0,0 → 1,0
link ../../ia32/src/delay.s
Property changes:
Added: svn:special
+*
\ No newline at end of property
/branches/arm/kernel/arch/ia32xen/src/ddi
0,0 → 1,0
link ../../ia32/src/ddi
Property changes:
Added: svn:special
+*
\ No newline at end of property
/branches/arm/kernel/arch/ia32xen/src/debugger.c
0,0 → 1,0
link ../../ia32/src/debugger.c
Property changes:
Added: svn:special
+*
\ No newline at end of property
/branches/arm/kernel/arch/ia32xen/src/atomic.S
0,0 → 1,0
link ../../ia32/src/atomic.S
Property changes:
Added: svn:special
+*
\ No newline at end of property
/branches/arm/kernel/arch/ia32xen/include/mm/page.h
0,0 → 1,257
/*
* Copyright (c) 2006 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32xen_mm
* @{
*/
/** @file
*/
 
#ifndef KERN_ia32xen_PAGE_H_
#define KERN_ia32xen_PAGE_H_
 
#include <arch/mm/frame.h>
 
#define PAGE_WIDTH FRAME_WIDTH
#define PAGE_SIZE FRAME_SIZE
 
#ifdef KERNEL
 
#ifndef __ASM__
# define KA2PA(x) (((uintptr_t) (x)) - 0x80000000)
# define PA2KA(x) (((uintptr_t) (x)) + 0x80000000)
#else
# define KA2PA(x) ((x) - 0x80000000)
# define PA2KA(x) ((x) + 0x80000000)
#endif
 
/*
* Implementation of generic 4-level page table interface.
* IA-32 has 2-level page tables, so PTL1 and PTL2 are left out.
*/
 
/* Number of entries in each level. */
#define PTL0_ENTRIES_ARCH 1024
#define PTL1_ENTRIES_ARCH 0
#define PTL2_ENTRIES_ARCH 0
#define PTL3_ENTRIES_ARCH 1024
 
/* Page table size for each level. */
#define PTL0_SIZE_ARCH ONE_FRAME
#define PTL1_SIZE_ARCH 0
#define PTL2_SIZE_ARCH 0
#define PTL3_SIZE_ARCH ONE_FRAME
 
/* Macros calculating indices into page tables in each level. */
#define PTL0_INDEX_ARCH(vaddr) (((vaddr) >> 22) & 0x3ff)
#define PTL1_INDEX_ARCH(vaddr) 0
#define PTL2_INDEX_ARCH(vaddr) 0
#define PTL3_INDEX_ARCH(vaddr) (((vaddr) >> 12) & 0x3ff)
 
/* Get PTE address accessors for each level. */
#define GET_PTL1_ADDRESS_ARCH(ptl0, i) \
((pte_t *) MA2PA((((pte_t *) (ptl0))[(i)].frame_address) << 12))
#define GET_PTL2_ADDRESS_ARCH(ptl1, i) \
(ptl1)
#define GET_PTL3_ADDRESS_ARCH(ptl2, i) \
(ptl2)
#define GET_FRAME_ADDRESS_ARCH(ptl3, i) \
((uintptr_t) MA2PA((((pte_t *) (ptl3))[(i)].frame_address) << 12))
 
/* Set PTE address accessors for each level. */
#define SET_PTL0_ADDRESS_ARCH(ptl0) \
{ \
mmuext_op_t mmu_ext; \
\
mmu_ext.cmd = MMUEXT_NEW_BASEPTR; \
mmu_ext.mfn = ADDR2PFN(PA2MA(ptl0)); \
ASSERT(xen_mmuext_op(&mmu_ext, 1, NULL, DOMID_SELF) == 0); \
}
 
#define SET_PTL1_ADDRESS_ARCH(ptl0, i, a) \
{ \
mmuext_op_t mmu_ext; \
\
mmu_ext.cmd = MMUEXT_PIN_L1_TABLE; \
mmu_ext.mfn = ADDR2PFN(PA2MA(a)); \
ASSERT(xen_mmuext_op(&mmu_ext, 1, NULL, DOMID_SELF) == 0); \
\
mmu_update_t update; \
\
update.ptr = PA2MA(KA2PA(&((pte_t *) (ptl0))[(i)])); \
update.val = PA2MA(a); \
ASSERT(xen_mmu_update(&update, 1, NULL, DOMID_SELF) == 0); \
}
 
#define SET_PTL2_ADDRESS_ARCH(ptl1, i, a)
#define SET_PTL3_ADDRESS_ARCH(ptl2, i, a)
#define SET_FRAME_ADDRESS_ARCH(ptl3, i, a) \
{ \
mmu_update_t update; \
\
update.ptr = PA2MA(KA2PA(&((pte_t *) (ptl3))[(i)])); \
update.val = PA2MA(a); \
ASSERT(xen_mmu_update(&update, 1, NULL, DOMID_SELF) == 0); \
}
 
/* Get PTE flags accessors for each level. */
#define GET_PTL1_FLAGS_ARCH(ptl0, i) \
get_pt_flags((pte_t *) (ptl0), (index_t) (i))
#define GET_PTL2_FLAGS_ARCH(ptl1, i) \
PAGE_PRESENT
#define GET_PTL3_FLAGS_ARCH(ptl2, i) \
PAGE_PRESENT
#define GET_FRAME_FLAGS_ARCH(ptl3, i) \
get_pt_flags((pte_t *) (ptl3), (index_t) (i))
 
/* Set PTE flags accessors for each level. */
#define SET_PTL1_FLAGS_ARCH(ptl0, i, x) \
set_pt_flags((pte_t *) (ptl0), (index_t) (i), (x))
#define SET_PTL2_FLAGS_ARCH(ptl1, i, x)
#define SET_PTL3_FLAGS_ARCH(ptl2, i, x)
#define SET_FRAME_FLAGS_ARCH(ptl3, i, x) \
set_pt_flags((pte_t *) (ptl3), (index_t) (i), (x))
 
/* Query macros for the last level. */
#define PTE_VALID_ARCH(p) \
(*((uint32_t *) (p)) != 0)
#define PTE_PRESENT_ARCH(p) \
((p)->present != 0)
#define PTE_GET_FRAME_ARCH(p) \
((p)->frame_address << FRAME_WIDTH)
#define PTE_WRITABLE_ARCH(p) \
((p)->writeable != 0)
#define PTE_EXECUTABLE_ARCH(p) \
1
 
#ifndef __ASM__
 
#include <mm/mm.h>
#include <arch/hypercall.h>
#include <arch/interrupt.h>
 
/* Page fault error codes. */
 
/** When bit on this position is 0, the page fault was caused by a not-present
* page.
*/
#define PFERR_CODE_P (1 << 0)
 
/** When bit on this position is 1, the page fault was caused by a write. */
#define PFERR_CODE_RW (1 << 1)
 
/** When bit on this position is 1, the page fault was caused in user mode. */
#define PFERR_CODE_US (1 << 2)
 
/** When bit on this position is 1, a reserved bit was set in page directory. */
#define PFERR_CODE_RSVD (1 << 3)
 
typedef struct {
uint64_t ptr; /**< Machine address of PTE */
union { /**< New contents of PTE */
uint64_t val;
pte_t pte;
};
} mmu_update_t;
 
typedef struct {
unsigned int cmd;
union {
unsigned long mfn;
unsigned long linear_addr;
};
union {
unsigned int nr_ents;
void *vcpumask;
};
} mmuext_op_t;
 
static inline int xen_update_va_mapping(const void *va, const pte_t pte,
const unsigned int flags)
{
return hypercall4(XEN_UPDATE_VA_MAPPING, va, pte, 0, flags);
}
 
static inline int xen_mmu_update(const mmu_update_t *req,
const unsigned int count, unsigned int *success_count, domid_t domid)
{
return hypercall4(XEN_MMU_UPDATE, req, count, success_count, domid);
}
 
static inline int xen_mmuext_op(const mmuext_op_t *op, const unsigned int count,
unsigned int *success_count, domid_t domid)
{
return hypercall4(XEN_MMUEXT_OP, op, count, success_count, domid);
}
 
static inline int get_pt_flags(pte_t *pt, index_t i)
{
pte_t *p = &pt[i];
return ((!p->page_cache_disable) << PAGE_CACHEABLE_SHIFT |
(!p->present) << PAGE_PRESENT_SHIFT |
p->uaccessible << PAGE_USER_SHIFT |
1 << PAGE_READ_SHIFT |
p->writeable << PAGE_WRITE_SHIFT |
1 << PAGE_EXEC_SHIFT |
p->global << PAGE_GLOBAL_SHIFT);
}
 
static inline void set_pt_flags(pte_t *pt, index_t i, int flags)
{
pte_t p = pt[i];
p.page_cache_disable = !(flags & PAGE_CACHEABLE);
p.present = !(flags & PAGE_NOT_PRESENT);
p.uaccessible = (flags & PAGE_USER) != 0;
p.writeable = (flags & PAGE_WRITE) != 0;
p.global = (flags & PAGE_GLOBAL) != 0;
/*
* Ensure that there is at least one bit set even if the present bit is cleared.
*/
p.soft_valid = true;
mmu_update_t update;
update.ptr = PA2MA(KA2PA(&(pt[i])));
update.pte = p;
xen_mmu_update(&update, 1, NULL, DOMID_SELF);
}
 
extern void page_arch_init(void);
extern void page_fault(int n, istate_t *istate);
 
#endif /* __ASM__ */
 
#endif /* KERNEL */
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ia32xen/include/mm/frame.h
0,0 → 1,57
/*
* Copyright (c) 2006 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32xen_mm
* @{
*/
/** @file
*/
 
#ifndef KERN_ia32xen_FRAME_H_
#define KERN_ia32xen_FRAME_H_
 
#define FRAME_WIDTH 12 /* 4K */
#define FRAME_SIZE (1 << FRAME_WIDTH)
 
 
#ifdef KERNEL
#ifndef __ASM__
 
#define PA2MA(x) ((start_info.pm_map[((uintptr_t) (x)) >> 12] << 12) + (((uintptr_t) (x)) & 0xfff))
#define MA2PA(x) ((mp_map[((uintptr_t) (x)) >> 12] << 12) + (((uintptr_t) (x)) & 0xfff))
 
extern void frame_arch_init(void);
extern void physmem_print(void);
 
#endif /* __ASM__ */
#endif /* KERNEL */
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ia32xen/include/mm/as.h
0,0 → 1,64
/*
* Copyright (c) 2005 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32xen_mm
* @{
*/
/** @file
*/
 
#ifndef KERN_ia32xen_AS_H_
#define KERN_ia32xen_AS_H_
 
#define KERNEL_ADDRESS_SPACE_SHADOWED_ARCH 0
 
#define KERNEL_ADDRESS_SPACE_START_ARCH ((unsigned long) 0x80000000)
#define KERNEL_ADDRESS_SPACE_END_ARCH ((unsigned long) 0xffffffff)
#define USER_ADDRESS_SPACE_START_ARCH ((unsigned long) 0x00000000)
#define USER_ADDRESS_SPACE_END_ARCH ((unsigned long) 0x7fffffff)
 
#define USTACK_ADDRESS_ARCH (USER_ADDRESS_SPACE_END_ARCH-(PAGE_SIZE-1))
 
typedef struct {
} as_arch_t;
 
#include <genarch/mm/as_pt.h>
 
#define as_constructor_arch(as, flags) (as != as)
#define as_destructor_arch(as) (as != as)
#define as_create_arch(as, flags) (as != as)
#define as_install_arch(as)
#define as_deinstall_arch(as)
#define as_invalidate_translation_cache(as, page, cnt)
 
extern void as_arch_init(void);
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ia32xen/include/mm/asid.h
0,0 → 1,55
/*
* Copyright (c) 2005 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32xen_mm
* @{
*/
/** @file
* @ingroup ia32xen_mm
*/
 
/*
* ia32xen has no hardware support for address space identifiers.
* This file is provided to do nop-implementation of mm/asid.h
* interface.
*/
 
#ifndef KERN_ia32xen_ASID_H_
#define KERN_ia32xen_ASID_H_
 
typedef int asid_t;
 
#define ASID_MAX_ARCH 3
 
#define asid_get() (ASID_START+1)
#define asid_put(asid)
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ia32xen/include/mm/tlb.h
0,0 → 1,44
/*
* Copyright (c) 2005 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32xen_mm
* @{
*/
/** @file
*/
 
#ifndef KERN_ia32xen_TLB_H_
#define KERN_ia32xen_TLB_H_
 
#define tlb_arch_init()
#define tlb_print()
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ia32xen/include/types.h
0,0 → 1,83
/*
* Copyright (c) 2001-2004 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32xen
* @{
*/
/** @file
*/
 
#ifndef KERN_ia32xen_TYPES_H_
#define KERN_ia32xen_TYPES_H_
 
#define NULL 0
#define false 0
#define true 1
 
typedef signed char int8_t;
typedef signed short int16_t;
typedef signed long int32_t;
typedef signed long long int64_t;
 
typedef unsigned char uint8_t;
typedef unsigned short uint16_t;
typedef unsigned long uint32_t;
typedef unsigned long long uint64_t;
 
typedef uint32_t size_t;
typedef uint32_t count_t;
typedef uint32_t index_t;
 
typedef uint32_t uintptr_t;
typedef uint32_t pfn_t;
 
typedef uint8_t ipl_t;
 
typedef uint32_t unative_t;
typedef int32_t native_t;
 
/** Page Table Entry. */
typedef struct {
unsigned present : 1;
unsigned writeable : 1;
unsigned uaccessible : 1;
unsigned page_write_through : 1;
unsigned page_cache_disable : 1;
unsigned accessed : 1;
unsigned dirty : 1;
unsigned pat : 1;
unsigned global : 1;
unsigned soft_valid : 1; /**< Valid content even if the present bit is not set. */
unsigned avl : 2;
unsigned frame_address : 20;
} __attribute__ ((packed)) pte_t;
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ia32xen/include/context_offset.h
0,0 → 1,0
link ../../ia32/include/context_offset.h
Property changes:
Added: svn:special
+*
\ No newline at end of property
/branches/arm/kernel/arch/ia32xen/include/pm.h
0,0 → 1,159
/*
* Copyright (c) 2006 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32xen
* @{
*/
/** @file
*/
 
#ifndef KERN_ia32xen_PM_H_
#define KERN_ia32xen_PM_H_
 
#define IDT_ITEMS 64
#define GDT_ITEMS 7
 
#define NULL_DES 0
#define KTEXT_DES 1
#define KDATA_DES 2
#define UTEXT_DES 3
#define UDATA_DES 4
#define TSS_DES 5
#define TLS_DES 6 /* Pointer to Thread-Local-Storage data */
 
#define selector(des) ((des) << 3)
 
#define PL_KERNEL 1
#define PL_USER 3
 
#define AR_PRESENT (1<<7)
#define AR_DATA (2<<3)
#define AR_CODE (3<<3)
#define AR_WRITABLE (1<<1)
#define AR_INTERRUPT (0xe)
#define AR_TSS (0x9)
 
#define DPL_KERNEL (PL_KERNEL<<5)
#define DPL_USER (PL_USER<<5)
 
#define TSS_BASIC_SIZE 104
#define TSS_IOMAP_SIZE (16*1024+1) /* 16K for bitmap + 1 terminating byte for convenience */
 
#define IO_PORTS (64*1024)
 
#ifndef __ASM__
 
#include <arch/types.h>
#include <arch/context.h>
 
struct ptr_16_32 {
uint16_t limit;
uint32_t base;
} __attribute__ ((packed));
typedef struct ptr_16_32 ptr_16_32_t;
 
struct descriptor {
unsigned limit_0_15: 16;
unsigned base_0_15: 16;
unsigned base_16_23: 8;
unsigned access: 8;
unsigned limit_16_19: 4;
unsigned available: 1;
unsigned unused: 1;
unsigned special: 1;
unsigned granularity : 1;
unsigned base_24_31: 8;
} __attribute__ ((packed));
typedef struct descriptor descriptor_t;
 
struct tss {
uint16_t link;
unsigned : 16;
uint32_t esp0;
uint16_t ss0;
unsigned : 16;
uint32_t esp1;
uint16_t ss1;
unsigned : 16;
uint32_t esp2;
uint16_t ss2;
unsigned : 16;
uint32_t cr3;
uint32_t eip;
uint32_t eflags;
uint32_t eax;
uint32_t ecx;
uint32_t edx;
uint32_t ebx;
uint32_t esp;
uint32_t ebp;
uint32_t esi;
uint32_t edi;
uint16_t es;
unsigned : 16;
uint16_t cs;
unsigned : 16;
uint16_t ss;
unsigned : 16;
uint16_t ds;
unsigned : 16;
uint16_t fs;
unsigned : 16;
uint16_t gs;
unsigned : 16;
uint16_t ldtr;
unsigned : 16;
unsigned : 16;
uint16_t iomap_base;
uint8_t iomap[TSS_IOMAP_SIZE];
} __attribute__ ((packed));
typedef struct tss tss_t;
 
extern ptr_16_32_t gdtr;
extern ptr_16_32_t bootstrap_gdtr;
extern ptr_16_32_t protected_ap_gdtr;
extern struct tss *tss_p;
 
extern descriptor_t gdt[];
 
extern void pm_init(void);
 
extern void gdt_setbase(descriptor_t *d, uintptr_t base);
extern void gdt_setlimit(descriptor_t *d, uint32_t limit);
 
extern void traps_init(void);
 
extern void tss_initialize(tss_t *t);
extern void set_tls_desc(uintptr_t tls);
 
#endif /* __ASM__ */
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ia32xen/include/hypercall.h
0,0 → 1,381
/*
* Copyright (c) 2006 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
#ifndef KERN_ia32xen_HYPERCALL_H_
#define KERN_ia32xen_HYPERCALL_H_
 
#ifndef __ASM__
# include <arch/types.h>
# include <macros.h>
#endif
 
#define GUEST_CMDLINE 1024
#define VIRT_CPUS 32
#define START_INFO_SIZE 1104
 
#define BOOT_OFFSET 0x0000
#define TEMP_STACK_SIZE 0x1000
 
#define XEN_VIRT_START 0xFC000000
#define XEN_CS 0xe019
 
#define XEN_ELFNOTE_INFO 0
#define XEN_ELFNOTE_ENTRY 1
#define XEN_ELFNOTE_HYPERCALL_PAGE 2
#define XEN_ELFNOTE_VIRT_BASE 3
#define XEN_ELFNOTE_PADDR_OFFSET 4
#define XEN_ELFNOTE_XEN_VERSION 5
#define XEN_ELFNOTE_GUEST_OS 6
#define XEN_ELFNOTE_GUEST_VERSION 7
#define XEN_ELFNOTE_LOADER 8
#define XEN_ELFNOTE_PAE_MODE 9
#define XEN_ELFNOTE_FEATURES 10
#define XEN_ELFNOTE_BSD_SYMTAB 11
 
#define mp_map ((pfn_t *) XEN_VIRT_START)
 
#define SIF_PRIVILEGED (1 << 0) /**< Privileged domain */
#define SIF_INITDOMAIN (1 << 1) /**< Iinitial control domain */
 
#define XEN_CONSOLE_VGA 0x03
#define XEN_CONSOLE_VESA 0x23
 
#define XEN_SET_TRAP_TABLE 0
#define XEN_MMU_UPDATE 1
#define XEN_SET_CALLBACKS 4
#define XEN_UPDATE_VA_MAPPING 14
#define XEN_EVENT_CHANNEL_OP 16
#define XEN_VERSION 17
#define XEN_CONSOLE_IO 18
#define XEN_MMUEXT_OP 26
 
 
/*
* Commands for XEN_CONSOLE_IO
*/
#define CONSOLE_IO_WRITE 0
#define CONSOLE_IO_READ 1
 
 
#define MMUEXT_PIN_L1_TABLE 0
#define MMUEXT_PIN_L2_TABLE 1
#define MMUEXT_PIN_L3_TABLE 2
#define MMUEXT_PIN_L4_TABLE 3
#define MMUEXT_UNPIN_TABLE 4
#define MMUEXT_NEW_BASEPTR 5
#define MMUEXT_TLB_FLUSH_LOCAL 6
#define MMUEXT_INVLPG_LOCAL 7
#define MMUEXT_TLB_FLUSH_MULTI 8
#define MMUEXT_INVLPG_MULTI 9
#define MMUEXT_TLB_FLUSH_ALL 10
#define MMUEXT_INVLPG_ALL 11
#define MMUEXT_FLUSH_CACHE 12
#define MMUEXT_SET_LDT 13
#define MMUEXT_NEW_USER_BASEPTR 15
 
 
#define EVTCHNOP_SEND 4
 
 
#define UVMF_NONE 0 /**< No flushing at all */
#define UVMF_TLB_FLUSH 1 /**< Flush entire TLB(s) */
#define UVMF_INVLPG 2 /**< Flush only one entry */
#define UVMF_FLUSHTYPE_MASK 3
#define UVMF_MULTI 0 /**< Flush subset of TLBs */
#define UVMF_LOCAL 0 /**< Flush local TLB */
#define UVMF_ALL (1 << 2) /**< Flush all TLBs */
 
 
#define DOMID_SELF (0x7FF0U)
#define DOMID_IO (0x7FF1U)
 
#ifndef __ASM__
 
typedef uint16_t domid_t;
typedef uint32_t evtchn_t;
 
typedef struct {
uint32_t version;
uint32_t pad0;
uint64_t tsc_timestamp; /**< TSC at last update of time vals */
uint64_t system_time; /**< Time, in nanosecs, since boot */
uint32_t tsc_to_system_mul;
int8_t tsc_shift;
int8_t pad1[3];
} vcpu_time_info_t;
 
typedef struct {
uint32_t cr2;
uint32_t pad[5];
} arch_vcpu_info_t;
 
typedef struct arch_shared_info {
pfn_t max_pfn; /**< max pfn that appears in table */
uint32_t pfn_to_mfn_frame_list_list;
uint32_t nmi_reason;
} arch_shared_info_t;
 
typedef struct {
uint8_t evtchn_upcall_pending;
ipl_t evtchn_upcall_mask;
evtchn_t evtchn_pending_sel;
arch_vcpu_info_t arch;
vcpu_time_info_t time;
} vcpu_info_t;
 
typedef struct {
vcpu_info_t vcpu_info[VIRT_CPUS];
evtchn_t evtchn_pending[32];
evtchn_t evtchn_mask[32];
uint32_t wc_version; /**< Version counter */
uint32_t wc_sec; /**< Secs 00:00:00 UTC, Jan 1, 1970 */
uint32_t wc_nsec; /**< Nsecs 00:00:00 UTC, Jan 1, 1970 */
arch_shared_info_t arch;
} shared_info_t;
 
typedef struct {
int8_t magic[32]; /**< "xen-<version>-<platform>" */
uint32_t frames; /**< Available frames */
shared_info_t *shared_info; /**< Shared info structure (machine address) */
uint32_t flags; /**< SIF_xxx flags */
pfn_t store_mfn; /**< Shared page (machine page) */
evtchn_t store_evtchn; /**< Event channel for store communication */
union {
struct {
pfn_t mfn; /**< Console page (machine page) */
evtchn_t evtchn; /**< Event channel for console messages */
} domU;
struct {
uint32_t info_off; /**< Offset of console_info struct */
uint32_t info_size; /**< Size of console_info struct from start */
} dom0;
} console;
pte_t *ptl0; /**< Boot PTL0 (kernel address) */
uint32_t pt_frames; /**< Number of bootstrap page table frames */
pfn_t *pm_map; /**< Physical->machine frame map (kernel address) */
void *mod_start; /**< Modules start (kernel address) */
uint32_t mod_len; /**< Modules size (bytes) */
int8_t cmd_line[GUEST_CMDLINE];
} start_info_t;
 
typedef struct {
uint8_t video_type;
 
union {
struct {
uint16_t font_height;
uint16_t cursor_x;
uint16_t cursor_y;
uint16_t rows;
uint16_t columns;
} vga;
 
struct {
uint16_t width;
uint16_t height;
uint16_t bytes_per_line;
uint16_t bits_per_pixel;
uint32_t lfb_base;
uint32_t lfb_size;
uint8_t red_pos;
uint8_t red_size;
uint8_t green_pos;
uint8_t green_size;
uint8_t blue_pos;
uint8_t blue_size;
uint8_t rsvd_pos;
uint8_t rsvd_size;
} vesa_lfb;
} info;
} console_info_t;
 
typedef struct {
pfn_t start;
pfn_t size;
pfn_t reserved;
} memzone_t;
 
extern start_info_t start_info;
extern shared_info_t shared_info;
extern memzone_t meminfo;
 
typedef struct {
uint8_t vector; /**< Exception vector */
uint8_t flags; /**< 0-3: privilege level; 4: clear event enable */
uint16_t cs; /**< Code selector */
void *address; /**< Code offset */
} trap_info_t;
 
typedef struct {
evtchn_t port;
} evtchn_send_t;
 
typedef struct {
uint32_t cmd;
union {
evtchn_send_t send;
};
} evtchn_op_t;
 
#define force_evtchn_callback() ((void) xen_version(0, 0))
 
#define hypercall0(id) \
({ \
unative_t ret; \
asm volatile ( \
"call hypercall_page + (" STRING(id) " * 32)\n" \
: "=a" (ret) \
: \
: "memory" \
); \
ret; \
})
 
#define hypercall1(id, p1) \
({ \
unative_t ret, __ign1; \
asm volatile ( \
"call hypercall_page + (" STRING(id) " * 32)\n" \
: "=a" (ret), \
"=b" (__ign1) \
: "1" (p1) \
: "memory" \
); \
ret; \
})
 
#define hypercall2(id, p1, p2) \
({ \
unative_t ret, __ign1, __ign2; \
asm volatile ( \
"call hypercall_page + (" STRING(id) " * 32)\n" \
: "=a" (ret), \
"=b" (__ign1), \
"=c" (__ign2) \
: "1" (p1), \
"2" (p2) \
: "memory" \
); \
ret; \
})
 
#define hypercall3(id, p1, p2, p3) \
({ \
unative_t ret, __ign1, __ign2, __ign3; \
asm volatile ( \
"call hypercall_page + (" STRING(id) " * 32)\n" \
: "=a" (ret), \
"=b" (__ign1), \
"=c" (__ign2), \
"=d" (__ign3) \
: "1" (p1), \
"2" (p2), \
"3" (p3) \
: "memory" \
); \
ret; \
})
 
#define hypercall4(id, p1, p2, p3, p4) \
({ \
unative_t ret, __ign1, __ign2, __ign3, __ign4; \
asm volatile ( \
"call hypercall_page + (" STRING(id) " * 32)\n" \
: "=a" (ret), \
"=b" (__ign1), \
"=c" (__ign2), \
"=d" (__ign3), \
"=S" (__ign4) \
: "1" (p1), \
"2" (p2), \
"3" (p3), \
"4" (p4) \
: "memory" \
); \
ret; \
})
 
#define hypercall5(id, p1, p2, p3, p4, p5) \
({ \
unative_t ret, __ign1, __ign2, __ign3, __ign4, __ign5; \
asm volatile ( \
"call hypercall_page + (" STRING(id) " * 32)\n" \
: "=a" (ret), \
"=b" (__ign1), \
"=c" (__ign2), \
"=d" (__ign3), \
"=S" (__ign4), \
"=D" (__ign5) \
: "1" (p1), \
"2" (p2), \
"3" (p3), \
"4" (p4), \
"5" (p5) \
: "memory" \
); \
ret; \
})
 
 
static inline int xen_console_io(const unsigned int cmd, const unsigned int count, const char *str)
{
return hypercall3(XEN_CONSOLE_IO, cmd, count, str);
}
 
static inline int xen_set_callbacks(const unsigned int event_selector, const void *event_address, const unsigned int failsafe_selector, void *failsafe_address)
{
return hypercall4(XEN_SET_CALLBACKS, event_selector, event_address, failsafe_selector, failsafe_address);
}
 
static inline int xen_set_trap_table(const trap_info_t *table)
{
return hypercall1(XEN_SET_TRAP_TABLE, table);
}
 
static inline int xen_version(const unsigned int cmd, const void *arg)
{
return hypercall2(XEN_VERSION, cmd, arg);
}
 
static inline int xen_notify_remote(evtchn_t channel)
{
evtchn_op_t op;
op.cmd = EVTCHNOP_SEND;
op.send.port = channel;
return hypercall1(XEN_EVENT_CHANNEL_OP, &op);
}
 
#endif
 
#endif
/branches/arm/kernel/arch/ia32xen/include/asm.h
0,0 → 1,272
/*
* Copyright (c) 2001-2004 Jakub Jermar
* Copyright (c) 2005 Sergey Bondari
* Copyright (c) 2006 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32xen
* @{
*/
/** @file
*/
 
#ifndef KERN_ia32xen_ASM_H_
#define KERN_ia32xen_ASM_H_
 
#include <arch/pm.h>
#include <arch/types.h>
#include <arch/barrier.h>
#include <config.h>
 
extern void enable_l_apic_in_msr(void);
 
 
extern void asm_delay_loop(uint32_t t);
extern void asm_fake_loop(uint32_t t);
 
 
/** Halt CPU
*
* Halt the current CPU until interrupt event.
*/
#define cpu_halt() ((void) 0)
#define cpu_sleep() ((void) 0)
 
#define GEN_READ_REG(reg) static inline unative_t read_ ##reg (void) \
{ \
unative_t res; \
asm volatile ("movl %%" #reg ", %0" : "=r" (res) ); \
return res; \
}
 
#define GEN_WRITE_REG(reg) static inline void write_ ##reg (unative_t regn) \
{ \
asm volatile ("movl %0, %%" #reg : : "r" (regn)); \
}
 
GEN_READ_REG(cr0);
GEN_READ_REG(cr2);
 
GEN_READ_REG(dr0);
GEN_READ_REG(dr1);
GEN_READ_REG(dr2);
GEN_READ_REG(dr3);
GEN_READ_REG(dr6);
GEN_READ_REG(dr7);
 
GEN_WRITE_REG(dr0);
GEN_WRITE_REG(dr1);
GEN_WRITE_REG(dr2);
GEN_WRITE_REG(dr3);
GEN_WRITE_REG(dr6);
GEN_WRITE_REG(dr7);
 
/** Byte to port
*
* Output byte to port
*
* @param port Port to write to
* @param val Value to write
*/
static inline void outb(uint16_t port, uint8_t val) { asm volatile ("outb %b0, %w1\n" : : "a" (val), "d" (port) ); }
 
/** Word to port
*
* Output word to port
*
* @param port Port to write to
* @param val Value to write
*/
static inline void outw(uint16_t port, uint16_t val) { asm volatile ("outw %w0, %w1\n" : : "a" (val), "d" (port) ); }
 
/** Double word to port
*
* Output double word to port
*
* @param port Port to write to
* @param val Value to write
*/
static inline void outl(uint16_t port, uint32_t val) { asm volatile ("outl %l0, %w1\n" : : "a" (val), "d" (port) ); }
 
/** Byte from port
*
* Get byte from port
*
* @param port Port to read from
* @return Value read
*/
static inline uint8_t inb(uint16_t port) { uint8_t val; asm volatile ("inb %w1, %b0 \n" : "=a" (val) : "d" (port) ); return val; }
 
/** Word from port
*
* Get word from port
*
* @param port Port to read from
* @return Value read
*/
static inline uint16_t inw(uint16_t port) { uint16_t val; asm volatile ("inw %w1, %w0 \n" : "=a" (val) : "d" (port) ); return val; }
 
/** Double word from port
*
* Get double word from port
*
* @param port Port to read from
* @return Value read
*/
static inline uint32_t inl(uint16_t port) { uint32_t val; asm volatile ("inl %w1, %l0 \n" : "=a" (val) : "d" (port) ); return val; }
 
/** Enable interrupts.
*
* Enable interrupts and return previous
* value of EFLAGS.
*
* @return Old interrupt priority level.
*/
static inline ipl_t interrupts_enable(void)
{
// FIXME SMP
ipl_t v = shared_info.vcpu_info[0].evtchn_upcall_mask;
write_barrier();
shared_info.vcpu_info[0].evtchn_upcall_mask = 0;
write_barrier();
if (shared_info.vcpu_info[0].evtchn_upcall_pending)
force_evtchn_callback();
return v;
}
 
/** Disable interrupts.
*
* Disable interrupts and return previous
* value of EFLAGS.
*
* @return Old interrupt priority level.
*/
static inline ipl_t interrupts_disable(void)
{
// FIXME SMP
ipl_t v = shared_info.vcpu_info[0].evtchn_upcall_mask;
shared_info.vcpu_info[0].evtchn_upcall_mask = 1;
write_barrier();
return v;
}
 
/** Restore interrupt priority level.
*
* Restore EFLAGS.
*
* @param ipl Saved interrupt priority level.
*/
static inline void interrupts_restore(ipl_t ipl)
{
if (ipl == 0)
interrupts_enable();
else
interrupts_disable();
}
 
/** Return interrupt priority level.
*
* @return EFLAFS.
*/
static inline ipl_t interrupts_read(void)
{
// FIXME SMP
return shared_info.vcpu_info[0].evtchn_upcall_mask;
}
 
/** Return base address of current stack
*
* Return the base address of the current stack.
* The stack is assumed to be STACK_SIZE bytes long.
* The stack must start on page boundary.
*/
static inline uintptr_t get_stack_base(void)
{
uintptr_t v;
asm volatile ("andl %%esp, %0\n" : "=r" (v) : "0" (~(STACK_SIZE-1)));
return v;
}
 
/** Return current IP address */
static inline uintptr_t * get_ip()
{
uintptr_t *ip;
 
asm volatile (
"mov %%eip, %0"
: "=r" (ip)
);
return ip;
}
 
/** Invalidate TLB Entry.
*
* @param addr Address on a page whose TLB entry is to be invalidated.
*/
static inline void invlpg(uintptr_t addr)
{
asm volatile ("invlpg %0\n" :: "m" (*(unative_t *)addr));
}
 
/** Load GDTR register from memory.
*
* @param gdtr_reg Address of memory from where to load GDTR.
*/
static inline void gdtr_load(ptr_16_32_t *gdtr_reg)
{
asm volatile ("lgdtl %0\n" : : "m" (*gdtr_reg));
}
 
/** Store GDTR register to memory.
*
* @param gdtr_reg Address of memory to where to load GDTR.
*/
static inline void gdtr_store(ptr_16_32_t *gdtr_reg)
{
asm volatile ("sgdtl %0\n" : : "m" (*gdtr_reg));
}
 
/** Load TR from descriptor table.
*
* @param sel Selector specifying descriptor of TSS segment.
*/
static inline void tr_load(uint16_t sel)
{
asm volatile ("ltr %0" : : "r" (sel));
}
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ia32xen/include/drivers/xconsole.h
0,0 → 1,56
/*
* Copyright (c) 2006 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ia32xen
* @{
*/
/** @file
*/
 
#ifndef KERN_ia32xen_XCONSOLE_H_
#define KERN_ia32xen_XCONSOLE_H_
 
#include <arch/types.h>
 
typedef struct {
char in[1024];
char out[2048];
uint32_t in_cons;
uint32_t in_prod;
uint32_t out_cons;
uint32_t out_prod;
} xencons_t;
 
extern xencons_t console_page;
 
extern void xen_console_init(void);
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ia32xen/include/cycle.h
0,0 → 1,0
link ../../ia32/include/cycle.h
Property changes:
Added: svn:special
+*
\ No newline at end of property
/branches/arm/kernel/arch/ia32xen/include/interrupt.h
0,0 → 1,0
link ../../ia32/include/interrupt.h
Property changes:
Added: svn:special
+*
\ No newline at end of property
/branches/arm/kernel/arch/ia32xen/include/fpu_context.h
0,0 → 1,0
link ../../ia32/include/fpu_context.h
Property changes:
Added: svn:special
+*
\ No newline at end of property
/branches/arm/kernel/arch/ia32xen/include/byteorder.h
0,0 → 1,0
link ../../ia32/include/byteorder.h
Property changes:
Added: svn:special
+*
\ No newline at end of property
/branches/arm/kernel/arch/ia32xen/include/cpuid.h
0,0 → 1,0
link ../../ia32/include/cpuid.h
Property changes:
Added: svn:special
+*
\ No newline at end of property
/branches/arm/kernel/arch/ia32xen/include/elf.h
0,0 → 1,0
link ../../ia32/include/elf.h
Property changes:
Added: svn:special
+*
\ No newline at end of property
/branches/arm/kernel/arch/ia32xen/include/bios
0,0 → 1,0
link ../../ia32/include/bios
Property changes:
Added: svn:special
+*
\ No newline at end of property
/branches/arm/kernel/arch/ia32xen/include/memstr.h
0,0 → 1,0
link ../../ia32/include/memstr.h
Property changes:
Added: svn:special
+*
\ No newline at end of property
/branches/arm/kernel/arch/ia32xen/include/arg.h
0,0 → 1,0
link ../../ia32/include/arg.h
Property changes:
Added: svn:special
+*
\ No newline at end of property
/branches/arm/kernel/arch/ia32xen/include/smp
0,0 → 1,0
link ../../ia32/include/smp
Property changes:
Added: svn:special
+*
\ No newline at end of property
/branches/arm/kernel/arch/ia32xen/include/ddi
0,0 → 1,0
link ../../ia32/include/ddi
Property changes:
Added: svn:special
+*
\ No newline at end of property
/branches/arm/kernel/arch/ia32xen/include/atomic.h
0,0 → 1,0
link ../../ia32/include/atomic.h
Property changes:
Added: svn:special
+*
\ No newline at end of property
/branches/arm/kernel/arch/ia32xen/include/arch.h
0,0 → 1,0
link ../../ia32/include/arch.h
Property changes:
Added: svn:special
+*
\ No newline at end of property
/branches/arm/kernel/arch/ia32xen/include/proc
0,0 → 1,0
link ../../ia32/include/proc
Property changes:
Added: svn:special
+*
\ No newline at end of property
/branches/arm/kernel/arch/ia32xen/include/faddr.h
0,0 → 1,0
link ../../ia32/include/faddr.h
Property changes:
Added: svn:special
+*
\ No newline at end of property
/branches/arm/kernel/arch/ia32xen/include/debugger.h
0,0 → 1,0
link ../../ia32/include/debugger.h
Property changes:
Added: svn:special
+*
\ No newline at end of property
/branches/arm/kernel/arch/ia32xen/include/context.h
0,0 → 1,0
link ../../ia32/include/context.h
Property changes:
Added: svn:special
+*
\ No newline at end of property
/branches/arm/kernel/arch/ia32xen/include/debug.h
0,0 → 1,0
link ../../ia32/include/debug.h
Property changes:
Added: svn:special
+*
\ No newline at end of property
/branches/arm/kernel/arch/ia32xen/include/barrier.h
0,0 → 1,0
link ../../ia32/include/barrier.h
Property changes:
Added: svn:special
+*
\ No newline at end of property
/branches/arm/kernel/arch/ia32xen/include/cpu.h
0,0 → 1,0
link ../../ia32/include/cpu.h
Property changes:
Added: svn:special
+*
\ No newline at end of property
/branches/arm/kernel/arch/ia32xen/_link.ld.in
0,0 → 1,45
/** ia32xen linker script
*/
 
#include <arch/hypercall.h>
#include <arch/mm/page.h>
 
ENTRY(kernel_image_start)
 
PHDRS {
image PT_LOAD FLAGS(7); /* RWE */
note PT_NOTE FLAGS(4); /* R__ */
}
 
SECTIONS {
.image PA2KA(BOOT_OFFSET): AT (BOOT_OFFSET) {
ktext_start = .;
*(K_TEXT_START);
*(.text);
ktext_end = .;
kdata_start = .;
*(.data); /* initialized data */
*(.rodata*); /* string literals */
*(COMMON); /* global variables */
hardcoded_load_address = .;
LONG(PA2KA(0));
hardcoded_ktext_size = .;
LONG(ktext_end - ktext_start);
hardcoded_kdata_size = .;
LONG(kdata_end - kdata_start);
symbol_table = .;
*(symtab.*); /* Symbol table, must be LAST symbol! */
*(.bss); /* uninitialized static variables */
kdata_end = .;
} :image
.notes : {
*(.note.Xen);
} :note
 
/DISCARD/ : {
*(.note.GNU-stack);
*(.comment);
}
}
/branches/arm/kernel/arch/ppc64/Makefile.inc
0,0 → 1,76
#
# Copyright (c) 2006 Martin Decky
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# - Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# - Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# - The name of the author may not be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
 
## Toolchain configuration
#
 
ifndef CROSS_PREFIX
CROSS_PREFIX = /usr/local
endif
 
BFD_NAME = elf64-powerpc
BFD_ARCH = powerpc:common64
BFD = binary
TARGET = ppc64-linux-gnu
TOOLCHAIN_DIR = $(CROSS_PREFIX)/ppc64
 
GCC_CFLAGS += -mcpu=powerpc64 -msoft-float -m64
AFLAGS += -a64
LFLAGS += -no-check-sections -N
 
DEFS += -D__64_BITS__
 
## Own configuration directives
#
 
CONFIG_FB = y
 
## Compile with hierarchical page tables support.
#
 
CONFIG_PAGE_PT = y
DEFS += -DCONFIG_PAGE_PT
 
ARCH_SOURCES = \
arch/$(ARCH)/src/context.S \
arch/$(ARCH)/src/debug/panic.s \
arch/$(ARCH)/src/fpu_context.S \
arch/$(ARCH)/src/boot/boot.S \
arch/$(ARCH)/src/ppc64.c \
arch/$(ARCH)/src/dummy.s \
arch/$(ARCH)/src/exception.S \
arch/$(ARCH)/src/interrupt.c \
arch/$(ARCH)/src/asm.S \
arch/$(ARCH)/src/cpu/cpu.c \
arch/$(ARCH)/src/proc/scheduler.c \
arch/$(ARCH)/src/ddi/ddi.c \
arch/$(ARCH)/src/mm/as.c \
arch/$(ARCH)/src/mm/frame.c \
arch/$(ARCH)/src/mm/page.c \
arch/$(ARCH)/src/mm/tlb.c \
arch/$(ARCH)/src/drivers/pic.c
/branches/arm/kernel/arch/ppc64/include/mm/page.h
0,0 → 1,184
/*
* Copyright (c) 2005 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64mm
* @{
*/
/** @file
*/
 
#ifndef KERN_ppc64_PAGE_H_
#define KERN_ppc64_PAGE_H_
 
#include <arch/mm/frame.h>
 
#define PAGE_WIDTH FRAME_WIDTH
#define PAGE_SIZE FRAME_SIZE
 
#ifdef KERNEL
 
#ifndef __ASM__
# define KA2PA(x) (((uintptr_t) (x)) - 0x80000000)
# define PA2KA(x) (((uintptr_t) (x)) + 0x80000000)
#else
# define KA2PA(x) ((x) - 0x80000000)
# define PA2KA(x) ((x) + 0x80000000)
#endif
 
/*
* Implementation of generic 4-level page table interface,
* the hardware Page Hash Table is used as cache.
*
* Page table layout:
* - 32-bit virtual addressess
* - Offset is 12 bits => pages are 4K long
* - PTL0 has 1024 entries (10 bits)
* - PTL1 is not used
* - PTL2 is not used
* - PLT3 has 1024 entries (10 bits)
*/
 
/* Number of entries in each level. */
#define PTL0_ENTRIES_ARCH 1024
#define PTL1_ENTRIES_ARCH 0
#define PTL2_ENTRIES_ARCH 0
#define PTL3_ENTRIES_ARCH 1024
 
/* Sizes of page tables in each level. */
#define PTL0_SIZE_ARCH ONE_FRAME
#define PTL1_SIZE_ARCH 0
#define PTL2_SIZE_ARCH 0
#define PTL3_SIZE_ARCH ONE_FRAME
 
/* Macros calculating indices into page tables in each level. */
#define PTL0_INDEX_ARCH(vaddr) (((vaddr) >> 22) & 0x3ff)
#define PTL1_INDEX_ARCH(vaddr) 0
#define PTL2_INDEX_ARCH(vaddr) 0
#define PTL3_INDEX_ARCH(vaddr) (((vaddr) >> 12) & 0x3ff)
 
/* Get PTE address accessors for each level. */
#define GET_PTL1_ADDRESS_ARCH(ptl0, i) \
(((pte_t *) (ptl0))[(i)].pfn << 12)
#define GET_PTL2_ADDRESS_ARCH(ptl1, i) \
(ptl1)
#define GET_PTL3_ADDRESS_ARCH(ptl2, i) \
(ptl2)
#define GET_FRAME_ADDRESS_ARCH(ptl3, i) \
(((pte_t *) (ptl3))[(i)].pfn << 12)
 
/* Set PTE address accessors for each level. */
#define SET_PTL0_ADDRESS_ARCH(ptl0)
#define SET_PTL1_ADDRESS_ARCH(ptl0, i, a) \
(((pte_t *) (ptl0))[(i)].pfn = (a) >> 12)
#define SET_PTL2_ADDRESS_ARCH(ptl1, i, a)
#define SET_PTL3_ADDRESS_ARCH(ptl2, i, a)
#define SET_FRAME_ADDRESS_ARCH(ptl3, i, a) \
(((pte_t *) (ptl3))[(i)].pfn = (a) >> 12)
 
/* Get PTE flags accessors for each level. */
#define GET_PTL1_FLAGS_ARCH(ptl0, i) \
get_pt_flags((pte_t *) (ptl0), (index_t) (i))
#define GET_PTL2_FLAGS_ARCH(ptl1, i) \
PAGE_PRESENT
#define GET_PTL3_FLAGS_ARCH(ptl2, i) \
PAGE_PRESENT
#define GET_FRAME_FLAGS_ARCH(ptl3, i) \
get_pt_flags((pte_t *) (ptl3), (index_t) (i))
 
/* Set PTE flags accessors for each level. */
#define SET_PTL1_FLAGS_ARCH(ptl0, i, x) \
set_pt_flags((pte_t *) (ptl0), (index_t) (i), (x))
#define SET_PTL2_FLAGS_ARCH(ptl1, i, x)
#define SET_PTL3_FLAGS_ARCH(ptl2, i, x)
#define SET_FRAME_FLAGS_ARCH(ptl3, i, x) \
set_pt_flags((pte_t *) (ptl3), (index_t) (i), (x))
 
/* Macros for querying the last-level PTEs. */
#define PTE_VALID_ARCH(pte) (*((uint32_t *) (pte)) != 0)
#define PTE_PRESENT_ARCH(pte) ((pte)->p != 0)
#define PTE_GET_FRAME_ARCH(pte) ((uintptr_t) ((pte)->pfn << 12))
#define PTE_WRITABLE_ARCH(pte) 1
#define PTE_EXECUTABLE_ARCH(pte) 1
 
#ifndef __ASM__
 
#include <mm/mm.h>
#include <arch/interrupt.h>
 
static inline int get_pt_flags(pte_t *pt, index_t i)
{
pte_t *p = &pt[i];
return ((1 << PAGE_CACHEABLE_SHIFT) |
((!p->p) << PAGE_PRESENT_SHIFT) |
(1 << PAGE_USER_SHIFT) |
(1 << PAGE_READ_SHIFT) |
(1 << PAGE_WRITE_SHIFT) |
(1 << PAGE_EXEC_SHIFT) |
(p->g << PAGE_GLOBAL_SHIFT));
}
 
static inline void set_pt_flags(pte_t *pt, index_t i, int flags)
{
pte_t *p = &pt[i];
p->p = !(flags & PAGE_NOT_PRESENT);
p->g = (flags & PAGE_GLOBAL) != 0;
p->valid = 1;
}
 
extern void page_arch_init(void);
 
#define PHT_BITS 16
#define PHT_ORDER 4
 
typedef struct {
unsigned v : 1; /**< Valid */
unsigned vsid : 24; /**< Virtual Segment ID */
unsigned h : 1; /**< Primary/secondary hash */
unsigned api : 6; /**< Abbreviated Page Index */
unsigned rpn : 20; /**< Real Page Number */
unsigned reserved0 : 3;
unsigned r : 1; /**< Reference */
unsigned c : 1; /**< Change */
unsigned wimg : 4; /**< Access control */
unsigned reserved1 : 1;
unsigned pp : 2; /**< Page protection */
} phte_t;
 
extern void pht_refill(bool data, istate_t *istate);
extern void pht_init(void);
 
#endif /* __ASM__ */
 
#endif /* KERNEL */
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/include/mm/frame.h
0,0 → 1,57
/*
* Copyright (c) 2005 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64mm
* @{
*/
/** @file
*/
 
#ifndef KERN_ppc64_FRAME_H_
#define KERN_ppc64_FRAME_H_
 
#define FRAME_WIDTH 12 /* 4K */
#define FRAME_SIZE (1 << FRAME_WIDTH)
 
#ifdef KERNEL
#ifndef __ASM__
 
#include <arch/types.h>
 
extern uintptr_t last_frame;
 
extern void frame_arch_init(void);
extern void physmem_print(void);
 
#endif /* __ASM__ */
#endif /* KERNEL */
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/include/mm/as.h
0,0 → 1,64
/*
* Copyright (c) 2005 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64mm
* @{
*/
/** @file
*/
 
#ifndef KERN_ppc64_AS_H_
#define KERN_ppc64_AS_H_
 
#define KERNEL_ADDRESS_SPACE_SHADOWED_ARCH 0
 
#define KERNEL_ADDRESS_SPACE_START_ARCH ((unsigned long) 0x80000000)
#define KERNEL_ADDRESS_SPACE_END_ARCH ((unsigned long) 0xffffffff)
#define USER_ADDRESS_SPACE_START_ARCH ((unsigned long) 0x00000000)
#define USER_ADDRESS_SPACE_END_ARCH ((unsigned long) 0x7fffffff)
 
#define USTACK_ADDRESS_ARCH (0x7fffffff - (PAGE_SIZE - 1))
 
typedef struct {
} as_arch_t;
 
#include <genarch/mm/as_pt.h>
 
#define as_constructor_arch(as, flags) (as != as)
#define as_destructor_arch(as) (as != as)
#define as_create_arch(as, flags) (as != as)
#define as_install_arch(as)
#define as_deinstall_arch(as)
#define as_invalidate_translation_cache(as, page, cnt)
 
extern void as_arch_init(void);
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/include/mm/asid.h
0,0 → 1,48
/*
* Copyright (c) 2005 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64mm
* @{
*/
/** @file
*/
 
#ifndef KERN_ppc64_ASID_H_
#define KERN_ppc64_ASID_H_
 
typedef int asid_t;
 
#define ASID_MAX_ARCH 3
 
#define asid_get() (ASID_START+1)
#define asid_put(asid)
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/include/mm/tlb.h
0,0 → 1,41
/*
* Copyright (c) 2005 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64mm
* @{
*/
/** @file
*/
 
#ifndef KERN_ppc64_TLB_H_
#define KERN_ppc64_TLB_H_
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/include/barrier.h
0,0 → 1,51
/*
* Copyright (c) 2005 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64
* @{
*/
/** @file
*/
 
#ifndef KERN_ppc64_BARRIER_H_
#define KERN_ppc64_BARRIER_H_
 
#define CS_ENTER_BARRIER() asm volatile ("" ::: "memory")
#define CS_LEAVE_BARRIER() asm volatile ("" ::: "memory")
 
#define memory_barrier() asm volatile ("sync" ::: "memory")
#define read_barrier() asm volatile ("sync" ::: "memory")
#define write_barrier() asm volatile ("eieio" ::: "memory")
 
#define smc_coherence(a)
#define smc_coherence_block(a, l)
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/include/memstr.h
0,0 → 1,48
/*
* Copyright (c) 2005 Sergey Bondari
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64
* @{
*/
/** @file
*/
 
#ifndef KERN_ppc64_MEMSTR_H_
#define KERN_ppc64_MEMSTR_H_
 
#define memcpy(dst, src, cnt) __builtin_memcpy((dst), (src), (cnt))
 
extern void memsetw(void *dst, size_t cnt, uint16_t x);
extern void memsetb(void *dst, size_t cnt, uint8_t x);
 
extern int memcmp(const void *a, const void *b, size_t cnt);
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/include/exception.h
0,0 → 1,102
/*
* Copyright (c) 2006 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64
* @{
*/
/** @file
*/
 
#ifndef KERN_ppc64_EXCEPTION_H_
#define KERN_ppc64_EXCEPTION_H_
 
#include <arch/types.h>
 
typedef struct {
uint64_t r0;
uint64_t r2;
uint64_t r3;
uint64_t r4;
uint64_t r5;
uint64_t r6;
uint64_t r7;
uint64_t r8;
uint64_t r9;
uint64_t r10;
uint64_t r11;
uint64_t r13;
uint64_t r14;
uint64_t r15;
uint64_t r16;
uint64_t r17;
uint64_t r18;
uint64_t r19;
uint64_t r20;
uint64_t r21;
uint64_t r22;
uint64_t r23;
uint64_t r24;
uint64_t r25;
uint64_t r26;
uint64_t r27;
uint64_t r28;
uint64_t r29;
uint64_t r30;
uint64_t r31;
uint64_t cr;
uint64_t pc;
uint64_t srr1;
uint64_t lr;
uint64_t ctr;
uint64_t xer;
uint64_t r12;
uint64_t sp;
} istate_t;
 
static inline void istate_set_retaddr(istate_t *istate, uintptr_t retaddr)
{
istate->pc = retaddr;
}
 
/** Return true if exception happened while in userspace */
#include <panic.h>
static inline int istate_from_uspace(istate_t *istate)
{
panic("istate_from_uspace not yet implemented");
return 0;
}
 
static inline unative_t istate_get_pc(istate_t *istate)
{
return istate->pc;
}
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/include/types.h
0,0 → 1,72
/*
* Copyright (c) 2006 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64
* @{
*/
/** @file
*/
 
#ifndef KERN_ppc64_TYPES_H_
#define KERN_ppc64_TYPES_H_
 
typedef signed char int8_t;
typedef signed short int16_t;
typedef signed int int32_t;
typedef signed long int64_t;
 
typedef unsigned char uint8_t;
typedef unsigned short uint16_t;
typedef unsigned int uint32_t;
typedef unsigned long uint64_t;
 
typedef uint64_t size_t;
typedef uint64_t count_t;
typedef uint64_t index_t;
 
typedef uint64_t uintptr_t;
typedef uint64_t pfn_t;
 
typedef uint64_t ipl_t;
 
typedef uint64_t unative_t;
typedef int64_t native_t;
 
/** Page Table Entry. */
typedef struct {
unsigned p : 1; /**< Present bit. */
unsigned a : 1; /**< Accessed bit. */
unsigned g : 1; /**< Global bit. */
unsigned valid : 1; /**< Valid content even if not present. */
unsigned pfn : 20; /**< Physical frame number. */
} pte_t;
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/include/context_offset.h
0,0 → 1,132
/*
* Copyright (c) 2005 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
#ifndef KERN_ppc64_CONTEXT_OFFSET_H_
#define KERN_ppc64_CONTEXT_OFFSET_H_
 
#define OFFSET_SP 0x0
#define OFFSET_PC 0x8
#define OFFSET_R2 0x10
#define OFFSET_R13 0x18
#define OFFSET_R14 0x20
#define OFFSET_R15 0x28
#define OFFSET_R16 0x30
#define OFFSET_R17 0x38
#define OFFSET_R18 0x40
#define OFFSET_R19 0x48
#define OFFSET_R20 0x50
#define OFFSET_R21 0x58
#define OFFSET_R22 0x60
#define OFFSET_R23 0x68
#define OFFSET_R24 0x70
#define OFFSET_R25 0x78
#define OFFSET_R26 0x80
#define OFFSET_R27 0x88
#define OFFSET_R28 0x90
#define OFFSET_R29 0x98
#define OFFSET_R30 0xa0
#define OFFSET_R31 0xa8
#define OFFSET_CR 0xb0
 
#define OFFSET_FR14 0x0
#define OFFSET_FR15 0x8
#define OFFSET_FR16 0x10
#define OFFSET_FR17 0x18
#define OFFSET_FR18 0x20
#define OFFSET_FR19 0x28
#define OFFSET_FR20 0x30
#define OFFSET_FR21 0x38
#define OFFSET_FR22 0x40
#define OFFSET_FR23 0x48
#define OFFSET_FR24 0x50
#define OFFSET_FR25 0x58
#define OFFSET_FR26 0x60
#define OFFSET_FR27 0x68
#define OFFSET_FR28 0x70
#define OFFSET_FR29 0x78
#define OFFSET_FR30 0x80
#define OFFSET_FR31 0x88
#define OFFSET_FPSCR 0x90
 
 
#ifdef __ASM__
# include <arch/asm/regname.h>
 
# ctx: address of the structure with saved context
.macro CONTEXT_SAVE_ARCH_CORE ctx:req
stw sp, OFFSET_SP(\ctx)
stw r2, OFFSET_R2(\ctx)
stw r13, OFFSET_R13(\ctx)
stw r14, OFFSET_R14(\ctx)
stw r15, OFFSET_R15(\ctx)
stw r16, OFFSET_R16(\ctx)
stw r17, OFFSET_R17(\ctx)
stw r18, OFFSET_R18(\ctx)
stw r19, OFFSET_R19(\ctx)
stw r20, OFFSET_R20(\ctx)
stw r21, OFFSET_R21(\ctx)
stw r22, OFFSET_R22(\ctx)
stw r23, OFFSET_R23(\ctx)
stw r24, OFFSET_R24(\ctx)
stw r25, OFFSET_R25(\ctx)
stw r26, OFFSET_R26(\ctx)
stw r27, OFFSET_R27(\ctx)
stw r28, OFFSET_R28(\ctx)
stw r29, OFFSET_R29(\ctx)
stw r30, OFFSET_R30(\ctx)
stw r31, OFFSET_R31(\ctx)
.endm
 
# ctx: address of the structure with saved context
.macro CONTEXT_RESTORE_ARCH_CORE ctx:req
lwz sp, OFFSET_SP(\ctx)
lwz r2, OFFSET_R2(\ctx)
lwz r13, OFFSET_R13(\ctx)
lwz r14, OFFSET_R14(\ctx)
lwz r15, OFFSET_R15(\ctx)
lwz r16, OFFSET_R16(\ctx)
lwz r17, OFFSET_R17(\ctx)
lwz r18, OFFSET_R18(\ctx)
lwz r19, OFFSET_R19(\ctx)
lwz r20, OFFSET_R20(\ctx)
lwz r21, OFFSET_R21(\ctx)
lwz r22, OFFSET_R22(\ctx)
lwz r23, OFFSET_R23(\ctx)
lwz r24, OFFSET_R24(\ctx)
lwz r25, OFFSET_R25(\ctx)
lwz r26, OFFSET_R26(\ctx)
lwz r27, OFFSET_R27(\ctx)
lwz r28, OFFSET_R28(\ctx)
lwz r29, OFFSET_R29(\ctx)
lwz r30, OFFSET_R30(\ctx)
lwz r31, OFFSET_R31(\ctx)
.endm
 
#endif /* __ASM__ */
 
#endif
/branches/arm/kernel/arch/ppc64/include/byteorder.h
0,0 → 1,43
/*
* Copyright (c) 2005 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64
* @{
*/
/** @file
*/
 
#ifndef KERN_ppc64_BYTEORDER_H_
#define KERN_ppc64_BYTEORDER_H_
 
#define ARCH_IS_BIG_ENDIAN
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/include/cpu.h
0,0 → 1,48
/*
* Copyright (c) 2006 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64
* @{
*/
/** @file
*/
 
#ifndef KERN_ppc64_CPU_H_
#define KERN_ppc64_CPU_H_
 
#include <arch/asm.h>
 
typedef struct {
int version;
int revision;
} cpu_arch_t;
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/include/drivers/pic.h
0,0 → 1,56
/*
* Copyright (c) 2006 Ondrej Palkovsky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64
* @{
*/
/** @file
*/
 
#ifndef KERN_ppc64_PIC_H_
#define KERN_ppc64_PIC_H_
 
#include <arch/types.h>
 
#define PIC_PENDING_LOW 8
#define PIC_PENDING_HIGH 4
#define PIC_MASK_LOW 9
#define PIC_MASK_HIGH 5
#define PIC_ACK_LOW 10
#define PIC_ACK_HIGH 6
 
void pic_init(uintptr_t base, size_t size);
void pic_enable_interrupt(int intnum);
void pic_disable_interrupt(int intnum);
void pic_ack_interrupt(int intnum);
int pic_get_pending(void);
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/include/fpu_context.h
0,0 → 1,67
/*
* Copyright (c) 2005 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64
* @{
*/
/** @file
*/
 
#ifndef KERN_ppc64_FPU_CONTEXT_H_
#define KERN_ppc64_FPU_CONTEXT_H_
 
#ifndef KERN_ppc64_TYPES_H_
# include <arch/types.h>
#endif
 
typedef struct {
uint64_t fr14;
uint64_t fr15;
uint64_t fr16;
uint64_t fr17;
uint64_t fr18;
uint64_t fr19;
uint64_t fr20;
uint64_t fr21;
uint64_t fr22;
uint64_t fr23;
uint64_t fr24;
uint64_t fr25;
uint64_t fr26;
uint64_t fr27;
uint64_t fr28;
uint64_t fr29;
uint64_t fr30;
uint64_t fr31;
uint32_t fpscr;
} __attribute__ ((packed)) fpu_context_t;
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/include/context.h
0,0 → 1,75
/*
* Copyright (c) 2005 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64
* @{
*/
/** @file
*/
 
#ifndef KERN_ppc64_CONTEXT_H_
#define KERN_ppc64_CONTEXT_H_
 
#include <arch/types.h>
 
#define SP_DELTA 16
 
typedef struct {
uintptr_t sp;
uintptr_t pc;
uint64_t r2;
uint64_t r13;
uint64_t r14;
uint64_t r15;
uint64_t r16;
uint64_t r17;
uint64_t r18;
uint64_t r19;
uint64_t r20;
uint64_t r21;
uint64_t r22;
uint64_t r23;
uint64_t r24;
uint64_t r25;
uint64_t r26;
uint64_t r27;
uint64_t r28;
uint64_t r29;
uint64_t r30;
uint64_t r31;
uint64_t cr;
ipl_t ipl;
} __attribute__ ((packed)) context_t;
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/include/cpuid.h
0,0 → 1,56
/*
* Copyright (c) 2006 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64
* @{
*/
/** @file
*/
 
#ifndef KERN_ppc64_CPUID_H_
#define KERN_ppc64_CPUID_H_
 
#include <arch/types.h>
 
typedef struct {
uint16_t version;
uint16_t revision;
} __attribute__ ((packed)) cpu_info_t;
 
static inline void cpu_version(cpu_info_t *info)
{
asm volatile (
"mfpvr %0\n"
: "=r" (*info)
);
}
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/include/asm/regname.h
0,0 → 1,215
/*
* Copyright (c) 2005 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64
* @{
*/
/** @file
*/
 
#ifndef KERN_ppc64_REGNAME_H_
#define KERN_ppc64_REGNAME_H_
 
/* Condition Register Bit Fields */
#define cr0 0
#define cr1 1
#define cr2 2
#define cr3 3
#define cr4 4
#define cr5 5
#define cr6 6
#define cr7 7
 
/* General Purpose Registers (GPRs) */
#define r0 0
#define r1 1
#define r2 2
#define r3 3
#define r4 4
#define r5 5
#define r6 6
#define r7 7
#define r8 8
#define r9 9
#define r10 10
#define r11 11
#define r12 12
#define r13 13
#define r14 14
#define r15 15
#define r16 16
#define r17 17
#define r18 18
#define r19 19
#define r20 20
#define r21 21
#define r22 22
#define r23 23
#define r24 24
#define r25 25
#define r26 26
#define r27 27
#define r28 28
#define r29 29
#define r30 30
#define r31 31
 
/* GPR Aliases */
#define sp 1
 
/* Floating Point Registers (FPRs) */
#define fr0 0
#define fr1 1
#define fr2 2
#define fr3 3
#define fr4 4
#define fr5 5
#define fr6 6
#define fr7 7
#define fr8 8
#define fr9 9
#define fr10 10
#define fr11 11
#define fr12 12
#define fr13 13
#define fr14 14
#define fr15 15
#define fr16 16
#define fr17 17
#define fr18 18
#define fr19 19
#define fr20 20
#define fr21 21
#define fr22 22
#define fr23 23
#define fr24 24
#define fr25 25
#define fr26 26
#define fr27 27
#define fr28 28
#define fr29 29
#define fr30 30
#define fr31 31
 
#define vr0 0
#define vr1 1
#define vr2 2
#define vr3 3
#define vr4 4
#define vr5 5
#define vr6 6
#define vr7 7
#define vr8 8
#define vr9 9
#define vr10 10
#define vr11 11
#define vr12 12
#define vr13 13
#define vr14 14
#define vr15 15
#define vr16 16
#define vr17 17
#define vr18 18
#define vr19 19
#define vr20 20
#define vr21 21
#define vr22 22
#define vr23 23
#define vr24 24
#define vr25 25
#define vr26 26
#define vr27 27
#define vr28 28
#define vr29 29
#define vr30 30
#define vr31 31
 
#define evr0 0
#define evr1 1
#define evr2 2
#define evr3 3
#define evr4 4
#define evr5 5
#define evr6 6
#define evr7 7
#define evr8 8
#define evr9 9
#define evr10 10
#define evr11 11
#define evr12 12
#define evr13 13
#define evr14 14
#define evr15 15
#define evr16 16
#define evr17 17
#define evr18 18
#define evr19 19
#define evr20 20
#define evr21 21
#define evr22 22
#define evr23 23
#define evr24 24
#define evr25 25
#define evr26 26
#define evr27 27
#define evr28 28
#define evr29 29
#define evr30 30
#define evr31 31
 
/* Special Purpose Registers (SPRs) */
#define xer 1
#define lr 8
#define ctr 9
#define dec 22
#define sdr1 25
#define srr0 26
#define srr1 27
#define sprg0 272
#define sprg1 273
#define sprg2 274
#define sprg3 275
#define prv 287
#define hid0 1008
 
/* MSR bits */
#define msr_ir (1 << 4)
#define msr_dr (1 << 5)
#define msr_pr (1 << 14)
#define msr_ee (1 << 15)
 
/* HID0 bits */
#define hid0_ice (1 << 15)
#define hid0_dce (1 << 14)
#define hid0_icfi (1 << 11)
#define hid0_dci (1 << 10)
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/include/interrupt.h
0,0 → 1,55
/*
* Copyright (c) 2006 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64interrupt
* @{
*/
/** @file
*/
 
#ifndef KERN_ppc64_INTERRUPT_H_
#define KERN_ppc64_INTERRUPT_H_
 
#include <arch/exception.h>
 
#define IVT_ITEMS 16
#define IVT_FIRST 0
 
#define VECTOR_DATA_STORAGE 2
#define VECTOR_INSTRUCTION_STORAGE 3
#define VECTOR_EXTERNAL 4
#define VECTOR_DECREMENTER 8
 
extern void start_decrementer(void);
extern void interrupt_init(void);
extern void extint_handler(int n, istate_t *istate);
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/include/cycle.h
0,0 → 1,46
/*
* Copyright (c) 2006 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64
* @{
*/
/** @file
*/
 
#ifndef KERN_ppc64_CYCLE_H_
#define KERN_ppc64_CYCLE_H_
 
static inline uint64_t get_cycle(void)
{
return 0;
}
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/include/elf.h
0,0 → 1,45
/*
* Copyright (c) 2006 Sergey Bondari
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64
* @{
*/
/** @file
*/
 
#ifndef KERN_ppc64_ELF_H_
#define KERN_ppc64_ELF_H_
 
#define ELF_MACHINE EM_PPC64
#define ELF_DATA_ENCODING ELFDATA2MSB
#define ELF_CLASS ELFCLASS32
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/include/arg.h
0,0 → 1,43
/*
* Copyright (c) 2005 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64
* @{
*/
/** @file
*/
 
#ifndef KERN_ppc64_ARG_H_
#define KERN_ppc64_ARG_H_
 
#include <stdarg.h>
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/include/atomic.h
0,0 → 1,97
/*
* Copyright (c) 2005 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64
* @{
*/
/** @file
*/
 
#ifndef KERN_ppc64_ATOMIC_H_
#define KERN_ppc64_ATOMIC_H_
 
static inline void atomic_inc(atomic_t *val)
{
long tmp;
 
asm volatile (
"1:\n"
"lwarx %0, 0, %2\n"
"addic %0, %0, 1\n"
"stwcx. %0, 0, %2\n"
"bne- 1b"
: "=&r" (tmp), "=m" (val->count)
: "r" (&val->count), "m" (val->count)
: "cc"
);
}
 
static inline void atomic_dec(atomic_t *val)
{
long tmp;
 
asm volatile (
"1:\n"
"lwarx %0, 0, %2\n"
"addic %0, %0, -1\n"
"stwcx. %0, 0, %2\n"
"bne- 1b"
: "=&r" (tmp), "=m" (val->count)
: "r" (&val->count), "m" (val->count)
: "cc"
);
}
 
static inline long atomic_postinc(atomic_t *val)
{
atomic_inc(val);
return val->count - 1;
}
 
static inline long atomic_postdec(atomic_t *val)
{
atomic_dec(val);
return val->count + 1;
}
 
static inline long atomic_preinc(atomic_t *val)
{
atomic_inc(val);
return val->count;
}
 
static inline long atomic_predec(atomic_t *val)
{
atomic_dec(val);
return val->count;
}
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/include/boot/boot.h
0,0 → 1,92
/*
* Copyright (c) 2006 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64
* @{
*/
/** @file
*/
 
#ifndef KERN_ppc64_BOOT_H_
#define KERN_ppc64_BOOT_H_
 
#define BOOT_OFFSET 0x4000
 
/* Temporary stack size for boot process */
#define TEMP_STACK_SIZE 0x100
 
#define TASKMAP_MAX_RECORDS 32
#define MEMMAP_MAX_RECORDS 32
 
#ifndef __ASM__
 
#include <arch/types.h>
 
typedef struct {
uintptr_t addr;
uint64_t size;
} utask_t;
 
typedef struct {
uint32_t count;
utask_t tasks[TASKMAP_MAX_RECORDS];
} taskmap_t;
 
typedef struct {
uintptr_t start;
uint64_t size;
} memzone_t;
 
typedef struct {
uint64_t total;
uint32_t count;
memzone_t zones[MEMMAP_MAX_RECORDS];
} memmap_t;
 
typedef struct {
uintptr_t addr;
unsigned int width;
unsigned int height;
unsigned int bpp;
unsigned int scanline;
} screen_t;
 
typedef struct {
taskmap_t taskmap;
memmap_t memmap;
screen_t screen;
} bootinfo_t;
 
extern bootinfo_t bootinfo;
 
#endif
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/include/arch.h
0,0 → 1,41
/*
* Copyright (c) 2005 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64
* @{
*/
/** @file
*/
 
#ifndef KERN_ppc64_ARCH_H_
#define KERN_ppc64_ARCH_H_
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/include/proc/task.h
0,0 → 1,47
/*
* Copyright (c) 2006 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64proc
* @{
*/
/** @file
*/
 
#ifndef KERN_ppc64_TASK_H_
#define KERN_ppc64_TASK_H_
 
typedef struct {
} task_arch_t;
 
#define task_create_arch(t)
#define task_destroy_arch(t)
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/include/proc/thread.h
0,0 → 1,48
/*
* Copyright (c) 2005 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64proc
* @{
*/
/** @file
*/
 
#ifndef KERN_ppc64_THREAD_H_
#define KERN_ppc64_THREAD_H_
 
typedef struct {
} thread_arch_t;
 
#define thr_constructor_arch(t)
#define thr_destructor_arch(t)
#define thread_create_arch(t)
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/include/asm.h
0,0 → 1,161
/*
* Copyright (c) 2005 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64
* @{
*/
/** @file
*/
 
#ifndef KERN_ppc64_ASM_H_
#define KERN_ppc64_ASM_H_
 
#include <arch/types.h>
#include <config.h>
 
/** Enable interrupts.
*
* Enable interrupts and return previous
* value of EE.
*
* @return Old interrupt priority level.
*/
static inline ipl_t interrupts_enable(void)
{
ipl_t v;
ipl_t tmp;
asm volatile (
"mfmsr %0\n"
"mfmsr %1\n"
"ori %1, %1, 1 << 15\n"
"mtmsr %1\n"
: "=r" (v), "=r" (tmp)
);
return v;
}
 
/** Disable interrupts.
*
* Disable interrupts and return previous
* value of EE.
*
* @return Old interrupt priority level.
*/
static inline ipl_t interrupts_disable(void)
{
ipl_t v;
ipl_t tmp;
asm volatile (
"mfmsr %0\n"
"mfmsr %1\n"
"rlwinm %1, %1, 0, 17, 15\n"
"mtmsr %1\n"
: "=r" (v), "=r" (tmp)
);
return v;
}
 
/** Restore interrupt priority level.
*
* Restore EE.
*
* @param ipl Saved interrupt priority level.
*/
static inline void interrupts_restore(ipl_t ipl)
{
ipl_t tmp;
asm volatile (
"mfmsr %1\n"
"rlwimi %0, %1, 0, 17, 15\n"
"cmpw 0, %0, %1\n"
"beq 0f\n"
"mtmsr %0\n"
"0:\n"
: "=r" (ipl), "=r" (tmp)
: "0" (ipl)
: "cr0"
);
}
 
/** Return interrupt priority level.
*
* Return EE.
*
* @return Current interrupt priority level.
*/
static inline ipl_t interrupts_read(void)
{
ipl_t v;
asm volatile (
"mfmsr %0\n"
: "=r" (v)
);
return v;
}
 
/** Return base address of current stack.
*
* Return the base address of the current stack.
* The stack is assumed to be STACK_SIZE bytes long.
* The stack must start on page boundary.
*/
static inline uintptr_t get_stack_base(void)
{
uintptr_t v;
asm volatile (
"and %0, %%sp, %1\n"
: "=r" (v)
: "r" (~(STACK_SIZE - 1))
);
return v;
}
 
static inline void cpu_sleep(void)
{
}
 
static inline void cpu_halt(void)
{
asm volatile (
"b 0\n"
);
}
 
void asm_delay_loop(uint32_t t);
 
extern void userspace_asm(uintptr_t uspace_uarg, uintptr_t stack, uintptr_t entry);
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/include/faddr.h
0,0 → 1,45
/*
* Copyright (c) 2005 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64
* @{
*/
/** @file
*/
 
#ifndef KERN_ppc64_FADDR_H_
#define KERN_ppc64_FADDR_H_
 
#include <arch/types.h>
 
#define FADDR(fptr) ((uintptr_t) (fptr))
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/include/debug.h
0,0 → 1,41
/*
* Copyright (c) 2005
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64debug
* @{
*/
/** @file
*/
 
#ifndef KERN_ppc64_DEBUG_H_
#define KERN_ppc64_DEBUG_H_
 
#endif
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/src/asm.S
0,0 → 1,315
#
# Copyright (c) 2006 Martin Decky
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# - Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# - Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# - The name of the author may not be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
 
#include <arch/asm/regname.h>
 
.text
 
.global userspace_asm
.global iret
.global iret_syscall
.global memsetb
.global memcpy
.global memcpy_from_uspace
.global memcpy_to_uspace
.global memcpy_from_uspace_failover_address
.global memcpy_to_uspace_failover_address
 
userspace_asm:
 
# r3 = uspace_uarg
# r4 = stack
# r5 = entry
# disable interrupts
 
mfmsr r31
rlwinm r31, r31, 0, 17, 15
mtmsr r31
# set entry point
mtsrr0 r5
# set problem state, enable interrupts
ori r31, r31, msr_pr
ori r31, r31, msr_ee
mtsrr1 r31
# set stack
mr sp, r4
# %r3 is defined to hold pcb_ptr - set it to 0
 
xor r3, r3, r3
 
# jump to userspace
rfi
 
iret:
# disable interrupts
mfmsr r31
rlwinm r31, r31, 0, 17, 15
mtmsr r31
lwz r0, 8(sp)
lwz r2, 12(sp)
lwz r3, 16(sp)
lwz r4, 20(sp)
lwz r5, 24(sp)
lwz r6, 28(sp)
lwz r7, 32(sp)
lwz r8, 36(sp)
lwz r9, 40(sp)
lwz r10, 44(sp)
lwz r11, 48(sp)
lwz r13, 52(sp)
lwz r14, 56(sp)
lwz r15, 60(sp)
lwz r16, 64(sp)
lwz r17, 68(sp)
lwz r18, 72(sp)
lwz r19, 76(sp)
lwz r20, 80(sp)
lwz r21, 84(sp)
lwz r22, 88(sp)
lwz r23, 92(sp)
lwz r24, 96(sp)
lwz r25, 100(sp)
lwz r26, 104(sp)
lwz r27, 108(sp)
lwz r28, 112(sp)
lwz r29, 116(sp)
lwz r30, 120(sp)
lwz r31, 124(sp)
lwz r12, 128(sp)
mtcr r12
lwz r12, 132(sp)
mtsrr0 r12
lwz r12, 136(sp)
mtsrr1 r12
lwz r12, 140(sp)
mtlr r12
lwz r12, 144(sp)
mtctr r12
lwz r12, 148(sp)
mtxer r12
lwz r12, 152(sp)
lwz sp, 156(sp)
rfi
 
iret_syscall:
# reset decrementer
 
li r31, 1000
mtdec r31
# disable interrupts
mfmsr r31
rlwinm r31, r31, 0, 17, 15
mtmsr r31
lwz r0, 8(sp)
lwz r2, 12(sp)
lwz r4, 20(sp)
lwz r5, 24(sp)
lwz r6, 28(sp)
lwz r7, 32(sp)
lwz r8, 36(sp)
lwz r9, 40(sp)
lwz r10, 44(sp)
lwz r11, 48(sp)
lwz r13, 52(sp)
lwz r14, 56(sp)
lwz r15, 60(sp)
lwz r16, 64(sp)
lwz r17, 68(sp)
lwz r18, 72(sp)
lwz r19, 76(sp)
lwz r20, 80(sp)
lwz r21, 84(sp)
lwz r22, 88(sp)
lwz r23, 92(sp)
lwz r24, 96(sp)
lwz r25, 100(sp)
lwz r26, 104(sp)
lwz r27, 108(sp)
lwz r28, 112(sp)
lwz r29, 116(sp)
lwz r30, 120(sp)
lwz r31, 124(sp)
lwz r12, 128(sp)
mtcr r12
lwz r12, 132(sp)
mtsrr0 r12
lwz r12, 136(sp)
mtsrr1 r12
lwz r12, 140(sp)
mtlr r12
lwz r12, 144(sp)
mtctr r12
lwz r12, 148(sp)
mtxer r12
lwz r12, 152(sp)
lwz sp, 156(sp)
 
rfi
memsetb:
rlwimi r5, r5, 8, 16, 23
rlwimi r5, r5, 16, 0, 15
addi r14, r3, -4
cmplwi 0, r4, 4
blt 7f
stwu r5, 4(r14)
beqlr
andi. r15, r14, 3
add r4, r15, r4
subf r14, r15, r14
srwi r15, r4, 2
mtctr r15
bdz 6f
1:
stwu r5, 4(r14)
bdnz 1b
6:
andi. r4, r4, 3
7:
cmpwi 0, r4, 0
beqlr
mtctr r4
addi r6, r6, 3
8:
stbu r5, 1(r14)
bdnz 8b
blr
 
memcpy:
memcpy_from_uspace:
memcpy_to_uspace:
 
srwi. r7, r5, 3
addi r6, r3, -4
addi r4, r4, -4
beq 2f
andi. r0, r6, 3
mtctr r7
bne 5f
1:
lwz r7, 4(r4)
lwzu r8, 8(r4)
stw r7, 4(r6)
stwu r8, 8(r6)
bdnz 1b
andi. r5, r5, 7
2:
cmplwi 0, r5, 4
blt 3f
lwzu r0, 4(r4)
addi r5, r5, -4
stwu r0, 4(r6)
3:
cmpwi 0, r5, 0
beqlr
mtctr r5
addi r4, r4, 3
addi r6, r6, 3
4:
lbzu r0, 1(r4)
stbu r0, 1(r6)
bdnz 4b
blr
5:
subfic r0, r0, 4
mtctr r0
6:
lbz r7, 4(r4)
addi r4, r4, 1
stb r7, 4(r6)
addi r6, r6, 1
bdnz 6b
subf r5, r0, r5
rlwinm. r7, r5, 32-3, 3, 31
beq 2b
mtctr r7
b 1b
 
memcpy_from_uspace_failover_address:
memcpy_to_uspace_failover_address:
b memcpy_from_uspace_failover_address
/branches/arm/kernel/arch/ppc64/src/mm/page.c
0,0 → 1,305
/*
* Copyright (c) 2005 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64mm
* @{
*/
/** @file
*/
 
#include <arch/mm/page.h>
#include <genarch/mm/page_pt.h>
#include <arch/mm/frame.h>
#include <arch/asm.h>
#include <mm/frame.h>
#include <mm/page.h>
#include <mm/as.h>
#include <arch.h>
#include <arch/types.h>
#include <arch/exception.h>
#include <align.h>
#include <config.h>
#include <print.h>
#include <symtab.h>
 
static phte_t *phte;
 
 
/** Try to find PTE for faulting address
*
* Try to find PTE for faulting address.
* The as->lock must be held on entry to this function
* if lock is true.
*
* @param as Address space.
* @param lock Lock/unlock the address space.
* @param badvaddr Faulting virtual address.
* @param access Access mode that caused the fault.
* @param istate Pointer to interrupted state.
* @param pfrc Pointer to variable where as_page_fault() return code will be stored.
* @return PTE on success, NULL otherwise.
*
*/
static pte_t *find_mapping_and_check(as_t *as, bool lock, uintptr_t badvaddr, int access,
istate_t *istate, int *pfrc)
{
/*
* Check if the mapping exists in page tables.
*/
pte_t *pte = page_mapping_find(as, badvaddr);
if ((pte) && (pte->p)) {
/*
* Mapping found in page tables.
* Immediately succeed.
*/
return pte;
} else {
int rc;
/*
* Mapping not found in page tables.
* Resort to higher-level page fault handler.
*/
page_table_unlock(as, lock);
switch (rc = as_page_fault(badvaddr, access, istate)) {
case AS_PF_OK:
/*
* The higher-level page fault handler succeeded,
* The mapping ought to be in place.
*/
page_table_lock(as, lock);
pte = page_mapping_find(as, badvaddr);
ASSERT((pte) && (pte->p));
*pfrc = 0;
return pte;
case AS_PF_DEFER:
page_table_lock(as, lock);
*pfrc = rc;
return NULL;
case AS_PF_FAULT:
page_table_lock(as, lock);
printf("Page fault.\n");
*pfrc = rc;
return NULL;
default:
panic("unexpected rc (%d)\n", rc);
}
}
}
 
 
static void pht_refill_fail(uintptr_t badvaddr, istate_t *istate)
{
char *symbol = "";
char *sym2 = "";
 
char *s = get_symtab_entry(istate->pc);
if (s)
symbol = s;
s = get_symtab_entry(istate->lr);
if (s)
sym2 = s;
panic("%p: PHT Refill Exception at %p (%s<-%s)\n", badvaddr, istate->pc, symbol, sym2);
}
 
 
static void pht_insert(const uintptr_t vaddr, const pfn_t pfn)
{
uint32_t page = (vaddr >> 12) & 0xffff;
uint32_t api = (vaddr >> 22) & 0x3f;
uint32_t vsid;
asm volatile (
"mfsrin %0, %1\n"
: "=r" (vsid)
: "r" (vaddr)
);
/* Primary hash (xor) */
uint32_t h = 0;
uint32_t hash = vsid ^ page;
uint32_t base = (hash & 0x3ff) << 3;
uint32_t i;
bool found = false;
/* Find unused or colliding
PTE in PTEG */
for (i = 0; i < 8; i++) {
if ((!phte[base + i].v) || ((phte[base + i].vsid == vsid) && (phte[base + i].api == api))) {
found = true;
break;
}
}
if (!found) {
/* Secondary hash (not) */
uint32_t base2 = (~hash & 0x3ff) << 3;
/* Find unused or colliding
PTE in PTEG */
for (i = 0; i < 8; i++) {
if ((!phte[base2 + i].v) || ((phte[base2 + i].vsid == vsid) && (phte[base2 + i].api == api))) {
found = true;
base = base2;
h = 1;
break;
}
}
if (!found) {
// TODO: A/C precedence groups
i = page % 8;
}
}
phte[base + i].v = 1;
phte[base + i].vsid = vsid;
phte[base + i].h = h;
phte[base + i].api = api;
phte[base + i].rpn = pfn;
phte[base + i].r = 0;
phte[base + i].c = 0;
phte[base + i].pp = 2; // FIXME
}
 
 
/** Process Instruction/Data Storage Interrupt
*
* @param data True if Data Storage Interrupt.
* @param istate Interrupted register context.
*
*/
void pht_refill(bool data, istate_t *istate)
{
uintptr_t badvaddr;
pte_t *pte;
int pfrc;
as_t *as;
bool lock;
if (AS == NULL) {
as = AS_KERNEL;
lock = false;
} else {
as = AS;
lock = true;
}
if (data) {
asm volatile (
"mfdar %0\n"
: "=r" (badvaddr)
);
} else
badvaddr = istate->pc;
page_table_lock(as, lock);
pte = find_mapping_and_check(as, lock, badvaddr, PF_ACCESS_READ /* FIXME */, istate, &pfrc);
if (!pte) {
switch (pfrc) {
case AS_PF_FAULT:
goto fail;
break;
case AS_PF_DEFER:
/*
* The page fault came during copy_from_uspace()
* or copy_to_uspace().
*/
page_table_unlock(as, lock);
return;
default:
panic("Unexpected pfrc (%d)\n", pfrc);
}
}
pte->a = 1; /* Record access to PTE */
pht_insert(badvaddr, pte->pfn);
page_table_unlock(as, lock);
return;
fail:
page_table_unlock(as, lock);
pht_refill_fail(badvaddr, istate);
}
 
 
void pht_init(void)
{
memsetb(phte, 1 << PHT_BITS, 0);
}
 
 
void page_arch_init(void)
{
if (config.cpu_active == 1) {
page_mapping_operations = &pt_mapping_operations;
uintptr_t cur;
int flags;
for (cur = 128 << 20; cur < last_frame; cur += FRAME_SIZE) {
flags = PAGE_CACHEABLE | PAGE_WRITE;
if ((PA2KA(cur) >= config.base) && (PA2KA(cur) < config.base + config.kernel_size))
flags |= PAGE_GLOBAL;
page_mapping_insert(AS_KERNEL, PA2KA(cur), cur, flags);
}
/* Allocate page hash table */
phte_t *physical_phte = (phte_t *) frame_alloc(PHT_ORDER, FRAME_KA | FRAME_ATOMIC);
ASSERT((uintptr_t) physical_phte % (1 << PHT_BITS) == 0);
pht_init();
asm volatile (
"mtsdr1 %0\n"
:
: "r" ((uintptr_t) physical_phte)
);
}
}
 
 
uintptr_t hw_map(uintptr_t physaddr, size_t size)
{
if (last_frame + ALIGN_UP(size, PAGE_SIZE) > KA2PA(KERNEL_ADDRESS_SPACE_END_ARCH))
panic("Unable to map physical memory %p (%" PRIs " bytes)", physaddr, size)
uintptr_t virtaddr = PA2KA(last_frame);
pfn_t i;
for (i = 0; i < ADDR2PFN(ALIGN_UP(size, PAGE_SIZE)); i++)
page_mapping_insert(AS_KERNEL, virtaddr + PFN2ADDR(i), physaddr + PFN2ADDR(i), PAGE_NOT_CACHEABLE | PAGE_WRITE);
last_frame = ALIGN_UP(last_frame + size, FRAME_SIZE);
return virtaddr;
}
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/src/mm/frame.c
0,0 → 1,84
/*
* Copyright (c) 2005 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64mm
* @{
*/
/** @file
*/
 
#include <arch/boot/boot.h>
#include <arch/mm/frame.h>
#include <mm/frame.h>
#include <align.h>
#include <macros.h>
#include <print.h>
 
uintptr_t last_frame = 0;
 
void physmem_print(void)
{
unsigned int i;
printf("Base Size\n");
printf("---------- ----------\n");
for (i = 0; i < bootinfo.memmap.count; i++) {
printf("%#10x %#10x\n", bootinfo.memmap.zones[i].start,
bootinfo.memmap.zones[i].size);
}
}
 
void frame_arch_init(void)
{
pfn_t minconf = 2;
count_t i;
pfn_t start, conf;
size_t size;
for (i = 0; i < bootinfo.memmap.count; i++) {
start = ADDR2PFN(ALIGN_UP(bootinfo.memmap.zones[i].start, FRAME_SIZE));
size = SIZE2FRAMES(ALIGN_DOWN(bootinfo.memmap.zones[i].size, FRAME_SIZE));
if ((minconf < start) || (minconf >= start + size))
conf = start;
else
conf = minconf;
zone_create(start, size, conf, 0);
if (last_frame < ALIGN_UP(bootinfo.memmap.zones[i].start + bootinfo.memmap.zones[i].size, FRAME_SIZE))
last_frame = ALIGN_UP(bootinfo.memmap.zones[i].start + bootinfo.memmap.zones[i].size, FRAME_SIZE);
}
 
/* First is exception vector, second is 'implementation specific', third and fourth is reserved */
frame_mark_unavailable(0, 4);
}
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/src/mm/as.c
0,0 → 1,46
/*
* Copyright (c) 2006 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64mm
* @{
*/
/** @file
*/
 
#include <arch/mm/as.h>
#include <genarch/mm/page_pt.h>
 
/** Architecture dependent address space init. */
void as_arch_init(void)
{
as_operations = &as_pt_operations;
}
 
/** @}
*/
 
/branches/arm/kernel/arch/ppc64/src/mm/tlb.c
0,0 → 1,86
/*
* Copyright (c) 2006 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64mm
* @{
*/
/** @file
*/
 
#include <mm/tlb.h>
 
 
/** Initialize Page Hash Table.
*
* Setup the Page Hash Table with no entries.
*
*/
void tlb_arch_init(void)
{
tlb_invalidate_all();
}
 
 
void tlb_invalidate_all(void)
{
asm volatile (
"tlbia\n"
"tlbsync\n"
);
}
 
 
/** Invalidate all entries in TLB that belong to specified address space.
*
* @param asid This parameter is ignored as the architecture doesn't support it.
*/
void tlb_invalidate_asid(asid_t asid)
{
tlb_invalidate_all();
}
 
/** Invalidate TLB entries for specified page range belonging to specified address space.
*
* @param asid This parameter is ignored as the architecture doesn't support it.
* @param page Address of the first page whose entry is to be invalidated.
* @param cnt Number of entries to invalidate.
*/
void tlb_invalidate_pages(asid_t asid, uintptr_t page, count_t cnt)
{
tlb_invalidate_all();
}
 
 
 
/** Print contents of Page Hash Table. */
void tlb_print(void)
{
}
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/src/cpu/cpu.c
0,0 → 1,60
/*
* Copyright (c) 2005 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64
* @{
*/
/** @file
*/
 
#include <arch/cpu.h>
#include <arch/cpuid.h>
#include <cpu.h>
#include <arch.h>
#include <print.h>
 
void cpu_arch_init(void)
{
}
 
void cpu_identify(void)
{
cpu_info_t info;
cpu_version(&info);
CPU->arch.version = info.version;
CPU->arch.revision = info.revision;
}
 
void cpu_print_report(cpu_t *m)
{
printf("cpu%u: version=%d, revision=%d\n", m->id, m->arch.version, m->arch.revision);
}
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/src/interrupt.c
0,0 → 1,108
/*
* Copyright (c) 2006 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64interrupt
* @{
*/
/** @file
*/
 
#include <ddi/irq.h>
#include <interrupt.h>
#include <arch/interrupt.h>
#include <arch/types.h>
#include <arch.h>
#include <time/clock.h>
#include <ipc/sysipc.h>
#include <arch/drivers/pic.h>
#include <arch/mm/tlb.h>
#include <print.h>
 
 
void start_decrementer(void)
{
asm volatile (
"mtdec %0\n"
:
: "r" (1000)
);
}
 
 
/** Handler of external interrupts */
static void exception_external(int n, istate_t *istate)
{
int inum;
while ((inum = pic_get_pending()) != -1) {
bool ack = false;
irq_t *irq = irq_dispatch_and_lock(inum);
if (irq) {
/*
* The IRQ handler was found.
*/
if (irq->preack) {
/* Acknowledge the interrupt before processing */
pic_ack_interrupt(inum);
ack = true;
}
irq->handler(irq, irq->arg);
spinlock_unlock(&irq->lock);
} else {
/*
* Spurious interrupt.
*/
#ifdef CONFIG_DEBUG
printf("cpu%u: spurious interrupt (inum=%d)\n", CPU->id, inum);
#endif
}
if (!ack)
pic_ack_interrupt(inum);
}
}
 
 
static void exception_decrementer(int n, istate_t *istate)
{
clock();
start_decrementer();
}
 
 
/* Initialize basic tables for exception dispatching */
void interrupt_init(void)
{
exc_register(VECTOR_EXTERNAL, "external", exception_external);
exc_register(VECTOR_DECREMENTER, "timer", exception_decrementer);
}
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/src/context.S
0,0 → 1,61
#
# Copyright (c) 2005 Martin Decky
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# - Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# - Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# - The name of the author may not be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
 
#include <arch/asm/regname.h>
#include <arch/context_offset.h>
 
.text
 
.global context_save_arch
.global context_restore_arch
 
context_save_arch:
CONTEXT_SAVE_ARCH_CORE r3
mflr r4
stw r4, OFFSET_PC(r3)
mfcr r4
stw r4, OFFSET_CR(r3)
# context_save returns 1
li r3, 1
blr
context_restore_arch:
CONTEXT_RESTORE_ARCH_CORE r3
lwz r4, OFFSET_CR(r3)
mtcr r4
lwz r4, OFFSET_PC(r3)
mtlr r4
# context_restore returns 0
li r3, 0
blr
/branches/arm/kernel/arch/ppc64/src/ppc64.c
0,0 → 1,144
/*
* Copyright (c) 2006 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64
* @{
*/
/** @file
*/
 
#include <arch.h>
#include <arch/boot/boot.h>
#include <arch/interrupt.h>
#include <genarch/fb/fb.h>
#include <genarch/fb/visuals.h>
#include <userspace.h>
#include <proc/uarg.h>
#include <console/console.h>
 
bootinfo_t bootinfo;
 
void arch_pre_main(void)
{
/* Setup usermode */
init.cnt = bootinfo.taskmap.count;
uint32_t i;
for (i = 0; i < bootinfo.taskmap.count; i++) {
init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);
init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
}
}
 
void arch_pre_mm_init(void)
{
/* Initialize dispatch table */
interrupt_init();
/* Start decrementer */
start_decrementer();
}
 
void arch_post_mm_init(void)
{
if (config.cpu_active == 1) {
/* Initialize framebuffer */
unsigned int visual;
switch (bootinfo.screen.bpp) {
case 8:
visual = VISUAL_INDIRECT_8;
break;
case 16:
visual = VISUAL_RGB_5_5_5;
break;
case 24:
visual = VISUAL_RGB_8_8_8;
break;
case 32:
visual = VISUAL_RGB_0_8_8_8;
break;
default:
panic("Unsupported bits per pixel");
}
fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.scanline, visual);
/* Merge all zones to 1 big zone */
zone_merge_all();
}
}
 
void arch_post_cpu_init(void)
{
}
 
void arch_pre_smp_init(void)
{
}
 
void arch_post_smp_init(void)
{
}
 
void calibrate_delay_loop(void)
{
}
 
void userspace(uspace_arg_t *kernel_uarg)
{
userspace_asm((uintptr_t) kernel_uarg->uspace_uarg, (uintptr_t) kernel_uarg->uspace_stack + THREAD_STACK_SIZE - SP_DELTA, (uintptr_t) kernel_uarg->uspace_entry);
/* Unreachable */
for (;;)
;
}
 
/** Acquire console back for kernel
*
*/
void arch_grab_console(void)
{
}
 
/** Return console to userspace
*
*/
void arch_release_console(void)
{
}
 
void arch_reboot(void)
{
// TODO
while (1);
}
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/src/ddi/ddi.c
0,0 → 1,55
/*
* Copyright (c) 2006 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64ddi
* @{
*/
/** @file
*/
 
#include <ddi/ddi.h>
#include <proc/task.h>
#include <arch/types.h>
 
/** Enable I/O space range for task.
*
* Interrupts are disabled and task is locked.
*
* @param task Task.
* @param ioaddr Startign I/O space address.
* @param size Size of the enabled I/O range.
*
* @return 0 on success or an error code from errno.h.
*/
int ddi_iospace_enable_arch(task_t *task, uintptr_t ioaddr, size_t size)
{
return 0;
}
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/src/drivers/pic.c
0,0 → 1,94
/*
* Copyright (c) 2006 Ondrej Palkovsky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64
* @{
*/
/** @file
*/
 
 
#include <arch/drivers/pic.h>
#include <mm/page.h>
#include <byteorder.h>
#include <bitops.h>
 
static volatile uint32_t *pic;
 
void pic_init(uintptr_t base, size_t size)
{
pic = (uint32_t *) hw_map(base, size);
}
 
 
 
void pic_enable_interrupt(int intnum)
{
if (intnum < 32) {
pic[PIC_MASK_LOW] = pic[PIC_MASK_LOW] | (1 << intnum);
} else {
pic[PIC_MASK_HIGH] = pic[PIC_MASK_HIGH] | (1 << (intnum - 32));
}
}
 
void pic_disable_interrupt(int intnum)
{
if (intnum < 32) {
pic[PIC_MASK_LOW] = pic[PIC_MASK_LOW] & (~(1 << intnum));
} else {
pic[PIC_MASK_HIGH] = pic[PIC_MASK_HIGH] & (~(1 << (intnum - 32)));
}
}
 
void pic_ack_interrupt(int intnum)
{
if (intnum < 32)
pic[PIC_ACK_LOW] = 1 << intnum;
else
pic[PIC_ACK_HIGH] = 1 << (intnum - 32);
}
 
/** Return number of pending interrupt */
int pic_get_pending(void)
{
int pending;
 
pending = pic[PIC_PENDING_LOW];
if (pending)
return fnzb32(pending);
pending = pic[PIC_PENDING_HIGH];
if (pending)
return fnzb32(pending) + 32;
return -1;
}
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/src/exception.S
0,0 → 1,237
#
# Copyright (c) 2006 Martin Decky
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# - Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# - Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# - The name of the author may not be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
 
#include <arch/asm/regname.h>
#include <arch/mm/page.h>
 
.section K_UNMAPPED_TEXT_START, "ax"
 
.macro CONTEXT_STORE
# save R12 in SPRG1, backup CR in R12
# save SP in SPRG2
 
mtsprg1 r12
mfcr r12
mtsprg2 sp
# check whether SP is in kernel
andis. sp, sp, 0x8000
bne 1f
# stack is in user-space
mfsprg0 sp
b 2f
1:
# stack is in kernel
mfsprg2 sp
subis sp, sp, 0x8000
2:
subi sp, sp, 160
stw r0, 8(sp)
stw r2, 12(sp)
stw r3, 16(sp)
stw r4, 20(sp)
stw r5, 24(sp)
stw r6, 28(sp)
stw r7, 32(sp)
stw r8, 36(sp)
stw r9, 40(sp)
stw r10, 44(sp)
stw r11, 48(sp)
stw r13, 52(sp)
stw r14, 56(sp)
stw r15, 60(sp)
stw r16, 64(sp)
stw r17, 68(sp)
stw r18, 72(sp)
stw r19, 76(sp)
stw r20, 80(sp)
stw r21, 84(sp)
stw r22, 88(sp)
stw r23, 92(sp)
stw r24, 96(sp)
stw r25, 100(sp)
stw r26, 104(sp)
stw r27, 108(sp)
stw r28, 112(sp)
stw r29, 116(sp)
stw r30, 120(sp)
stw r31, 124(sp)
stw r12, 128(sp)
mfsrr0 r12
stw r12, 132(sp)
mfsrr1 r12
stw r12, 136(sp)
mflr r12
stw r12, 140(sp)
mfctr r12
stw r12, 144(sp)
mfxer r12
stw r12, 148(sp)
mfsprg1 r12
stw r12, 152(sp)
mfsprg2 r12
stw r12, 156(sp)
.endm
 
.org 0x060
jump_to_kernel:
lis r12, iret@ha
addi r12, r12, iret@l
mtlr r12
 
mfmsr r12
ori r12, r12, (msr_ir | msr_dr)@l
mtsrr1 r12
addis sp, sp, 0x8000
mr r4, sp
addi r4, r4, 8
rfi
 
jump_to_kernel_syscall:
lis r12, syscall_handler@ha
addi r12, r12, syscall_handler@l
mtsrr0 r12
lis r12, iret_syscall@ha
addi r12, r12, iret_syscall@l
mtlr r12
 
mfmsr r12
ori r12, r12, (msr_ir | msr_dr)@l
mtsrr1 r12
addis sp, sp, 0x8000
rfi
 
.org 0x100
.global exc_system_reset
exc_system_reset:
b exc_system_reset
 
.org 0x200
.global exc_machine_check
exc_machine_check:
b exc_machine_check
 
.org 0x300
.global exc_data_storage
exc_data_storage:
CONTEXT_STORE
lis r12, pht_refill@ha
addi r12, r12, pht_refill@l
mtsrr0 r12
li r3, 1
b jump_to_kernel
 
.org 0x400
.global exc_instruction_storage
exc_instruction_storage:
CONTEXT_STORE
lis r12, pht_refill@ha
addi r12, r12, pht_refill@l
mtsrr0 r12
li r3, 0
b jump_to_kernel
 
.org 0x500
.global exc_external
exc_external:
b exc_external
 
.org 0x600
.global exc_alignment
exc_alignment:
b exc_alignment
 
.org 0x700
.global exc_program
exc_program:
b exc_program
 
.org 0x800
.global exc_fp_unavailable
exc_fp_unavailable:
b exc_fp_unavailable
 
.org 0x900
.global exc_decrementer
exc_decrementer:
CONTEXT_STORE
 
lis r12, exc_dispatch@ha
addi r12, r12, exc_dispatch@l
mtsrr0 r12
li r3, 10
b jump_to_kernel
 
.org 0xa00
.global exc_reserved0
exc_reserved0:
b exc_reserved0
 
.org 0xb00
.global exc_reserved1
exc_reserved1:
b exc_reserved1
 
.org 0xc00
.global exc_syscall
exc_syscall:
CONTEXT_STORE
b jump_to_kernel_syscall
 
.org 0xd00
.global exc_trace
exc_trace:
b exc_trace
/branches/arm/kernel/arch/ppc64/src/fpu_context.S
0,0 → 1,105
#
# Copyright (c) 2006 Martin Decky
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# - Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# - Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# - The name of the author may not be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
 
#include <arch/asm/regname.h>
#include <arch/context_offset.h>
 
.text
 
.global fpu_context_save
.global fpu_context_restore
.global fpu_init
.global fpu_enable
.global fpu_disable
 
.macro FPU_CONTEXT_STORE r
stfd fr14, OFFSET_FR14(\r)
stfd fr15, OFFSET_FR15(\r)
stfd fr16, OFFSET_FR16(\r)
stfd fr17, OFFSET_FR17(\r)
stfd fr18, OFFSET_FR18(\r)
stfd fr19, OFFSET_FR19(\r)
stfd fr20, OFFSET_FR20(\r)
stfd fr21, OFFSET_FR21(\r)
stfd fr22, OFFSET_FR22(\r)
stfd fr23, OFFSET_FR23(\r)
stfd fr24, OFFSET_FR24(\r)
stfd fr25, OFFSET_FR25(\r)
stfd fr26, OFFSET_FR26(\r)
stfd fr27, OFFSET_FR27(\r)
stfd fr28, OFFSET_FR28(\r)
stfd fr29, OFFSET_FR29(\r)
stfd fr30, OFFSET_FR30(\r)
stfd fr31, OFFSET_FR31(\r)
.endm
 
.macro FPU_CONTEXT_LOAD r
lfd fr14, OFFSET_FR14(\r)
lfd fr15, OFFSET_FR15(\r)
lfd fr16, OFFSET_FR16(\r)
lfd fr17, OFFSET_FR17(\r)
lfd fr18, OFFSET_FR18(\r)
lfd fr19, OFFSET_FR19(\r)
lfd fr20, OFFSET_FR20(\r)
lfd fr21, OFFSET_FR21(\r)
lfd fr22, OFFSET_FR22(\r)
lfd fr23, OFFSET_FR23(\r)
lfd fr24, OFFSET_FR24(\r)
lfd fr25, OFFSET_FR25(\r)
lfd fr26, OFFSET_FR26(\r)
lfd fr27, OFFSET_FR27(\r)
lfd fr28, OFFSET_FR28(\r)
lfd fr29, OFFSET_FR29(\r)
lfd fr30, OFFSET_FR30(\r)
lfd fr31, OFFSET_FR31(\r)
.endm
 
fpu_context_save:
// FPU_CONTEXT_STORE r3
//
// mffs fr0
// stfd fr0, OFFSET_FPSCR(r3)
blr
fpu_context_restore:
// FPU_CONTEXT_LOAD r3
//
// lfd fr0, OFFSET_FPSCR(r3)
// mtfsf 7, fr0
blr
 
fpu_init:
blr
 
fpu_enable:
blr
 
fpu_disable:
blr
/branches/arm/kernel/arch/ppc64/src/boot/boot.S
0,0 → 1,81
#
# Copyright (c) 2005 Jakub Jermar
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# - Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# - Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# - The name of the author may not be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
 
#include <arch/asm/regname.h>
#include <arch/boot/boot.h>
 
.section K_TEXT_START, "ax"
 
.global kernel_image_start
kernel_image_start:
 
# load temporal kernel stack
lis sp, kernel_stack@ha
addi sp, sp, kernel_stack@l
# set kernel stack for interrupt handling
mr r31, sp
subis r31, r31, 0x8000
mtsprg0 r31
# r3 contains physical address of bootinfo_t
# r4 contains size of bootinfo_t
addis r3, r3, 0x8000
 
lis r31, bootinfo@ha
addi r31, r31, bootinfo@l # r31 = bootinfo
cmpwi r4, 0
beq bootinfo_end
bootinfo_loop:
lwz r30, 0(r3)
stw r30, 0(r31)
addi r3, r3, 4
addi r31, r31, 4
subi r4, r4, 4
cmpwi r4, 0
bgt bootinfo_loop
bootinfo_end:
bl arch_pre_main
b main_bsp
 
.section K_DATA_START, "aw", @progbits
 
.align 12
kernel_stack_bottom:
.space TEMP_STACK_SIZE
kernel_stack:
/branches/arm/kernel/arch/ppc64/src/proc/scheduler.c
0,0 → 1,63
/*
* Copyright (c) 2006 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup ppc64proc
* @{
*/
/** @file
*/
 
#include <arch/mm/page.h>
#include <arch/boot/boot.h>
#include <proc/scheduler.h>
#include <proc/thread.h>
#include <arch.h>
 
/** Perform ppc64 specific tasks needed before the new task is run. */
void before_task_runs_arch(void)
{
}
 
/** Perform ppc64 specific tasks needed before the new thread is scheduled. */
void before_thread_runs_arch(void)
{
pht_init();
tlb_invalidate_all();
asm volatile (
"mtsprg0 %0\n"
:
: "r" (KA2PA(&THREAD->kstack[THREAD_STACK_SIZE - SP_DELTA]))
);
}
 
void after_thread_ran_arch(void)
{
}
 
/** @}
*/
/branches/arm/kernel/arch/ppc64/src/debug/panic.s
0,0 → 1,38
#
# Copyright (c) 2005 Martin Decky
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# - Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# - Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# - The name of the author may not be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
 
#include <arch/asm/macro.h>
 
.text
.global panic_printf
 
panic_printf:
lis %r14, halt@ha
addi %r14, %r14, halt@l
mtlr %r14 # fake stack to make printf return to halt
b printf
/branches/arm/kernel/arch/ppc64/src/dummy.s
0,0 → 1,38
#
# Copyright (c) 2005 Jakub Jermar
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# - Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# - Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# - The name of the author may not be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
 
.text
 
.global asm_delay_loop
.global sys_tls_set
 
sys_tls_set:
b sys_tls_set
 
asm_delay_loop:
blr
/branches/arm/kernel/arch/ppc64/_link.ld.in
0,0 → 1,58
/** PPC64 linker script
*
* umapped section:
* kernel text
* kernel data
* mapped section:
* kernel text
* kernel data
*
*/
 
#include <arch/boot/boot.h>
#include <arch/mm/page.h>
 
ENTRY(kernel_image_start)
OUTPUT_FORMAT("elf64-powerpc")
OUTPUT_ARCH(powerpc:common64)
 
SECTIONS {
.unmapped 0: AT (0) {
unmapped_ktext_start = .;
*(K_UNMAPPED_TEXT_START);
unmapped_ktext_end = .;
unmapped_kdata_start = .;
*(K_UNMAPPED_DATA_START);
unmapped_kdata_start = .;
}
.mapped PA2KA(BOOT_OFFSET): AT (BOOT_OFFSET) {
ktext_start = .;
*(K_TEXT_START);
*(.text);
ktext_end = .;
kdata_start = .;
*(K_DATA_START);
*(.rodata);
*(.rodata.*);
*(.data); /* initialized data */
*(.sdata);
*(.sdata2);
*(.sbss);
hardcoded_ktext_size = .;
LONG(ktext_end - ktext_start);
hardcoded_kdata_size = .;
LONG(kdata_end - kdata_start);
hardcoded_load_address = .;
LONG(PA2KA(BOOT_OFFSET));
*(.bss); /* uninitialized static variables */
*(COMMON); /* global variables */
 
symbol_table = .;
*(symtab.*); /* Symbol table, must be LAST symbol!*/
 
kdata_end = .;
}
}