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Ignore whitespace Rev 3770 → Rev 3862

/branches/sparc/kernel/arch/sparc64/include/mm/sun4u/frame.h
0,0 → 1,85
/*
* 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 sparc64mm
* @{
*/
/** @file
*/
 
#ifndef KERN_sparc64_sun4u_FRAME_H_
#define KERN_sparc64_sun4u_FRAME_H_
 
/*
* Page size supported by the MMU.
* For 8K there is the nasty illegal virtual aliasing problem.
* Therefore, the kernel uses 8K only internally on the TLB and TSB levels.
*/
#define MMU_FRAME_WIDTH 13 /* 8K */
#define MMU_FRAME_SIZE (1 << MMU_FRAME_WIDTH)
 
/*
* Page size exported to the generic memory management subsystems.
* This page size is not directly supported by the MMU, but we can emulate
* each 16K page with a pair of adjacent 8K pages.
*/
#define FRAME_WIDTH 14 /* 16K */
#define FRAME_SIZE (1 << FRAME_WIDTH)
 
#ifdef KERNEL
#ifndef __ASM__
 
#include <arch/types.h>
 
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));
};
 
typedef union frame_address frame_address_t;
 
extern uintptr_t last_frame;
extern void frame_arch_init(void);
#define physmem_print()
 
#endif
#endif
 
#endif
 
/** @}
*/
/branches/sparc/kernel/arch/sparc64/include/mm/sun4u/page.h
0,0 → 1,84
/*
* 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 sparc64mm
* @{
*/
/** @file
*/
 
#ifndef KERN_sparc64_sun4u_PAGE_H_
#define KERN_sparc64_sun4u_PAGE_H_
 
#include <arch/mm/frame.h>
 
/*
* On the TLB and TSB level, we still use 8K pages, which are supported by the
* MMU.
*/
#define MMU_PAGE_WIDTH MMU_FRAME_WIDTH
#define MMU_PAGE_SIZE MMU_FRAME_SIZE
 
/*
* On the page table level, we use 16K pages. 16K pages are not supported by
* the MMU but we emulate them with pairs of 8K pages.
*/
#define PAGE_WIDTH FRAME_WIDTH
#define PAGE_SIZE FRAME_SIZE
 
#define MMU_PAGES_PER_PAGE (1 << (PAGE_WIDTH - MMU_PAGE_WIDTH))
 
#ifdef KERNEL
 
#ifndef __ASM__
 
#include <arch/interrupt.h>
 
extern uintptr_t physmem_base;
 
#define KA2PA(x) (((uintptr_t) (x)) + physmem_base)
#define PA2KA(x) (((uintptr_t) (x)) - physmem_base)
 
typedef union {
uintptr_t address;
struct {
uint64_t vpn : 51; /**< Virtual Page Number. */
unsigned offset : 13; /**< Offset. */
} __attribute__ ((packed));
} page_address_t;
 
extern void page_arch_init(void);
 
#endif /* !def __ASM__ */
 
#endif /* KERNEL */
 
#endif
 
/** @}
*/
/branches/sparc/kernel/arch/sparc64/include/mm/sun4u/tlb.h
87,14 → 87,14
 
#ifndef __ASM__
 
#include <arch/mm/sun4u/tte.h>
#include <arch/mm/sun4u/mmu.h>
#include <arch/mm/tte.h>
#include <arch/mm/mmu.h>
#include <arch/mm/page.h>
#include <arch/asm.h>
#include <arch/barrier.h>
#include <arch/types.h>
#include <arch/register.h>
#include <arch/sun4u/cpu.h>
#include <arch/cpu.h>
 
union tlb_context_reg {
uint64_t v;
/branches/sparc/kernel/arch/sparc64/include/mm/sun4u/as.h
0,0 → 1,96
/*
* 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 sparc64mm
* @{
*/
/** @file
*/
 
#ifndef KERN_sparc64_sun4u_AS_H_
#define KERN_sparc64_sun4u_AS_H_
 
#include <arch/mm/tte.h>
 
#define KERNEL_ADDRESS_SPACE_SHADOWED_ARCH 1
 
#define KERNEL_ADDRESS_SPACE_START_ARCH (unsigned long) 0x0000000000000000
#define KERNEL_ADDRESS_SPACE_END_ARCH (unsigned long) 0xffffffffffffffff
#define USER_ADDRESS_SPACE_START_ARCH (unsigned long) 0x0000000000000000
#define USER_ADDRESS_SPACE_END_ARCH (unsigned long) 0xffffffffffffffff
 
#define USTACK_ADDRESS_ARCH (0xffffffffffffffffULL - (PAGE_SIZE - 1))
 
#ifdef CONFIG_TSB
 
/** TSB Tag Target register. */
typedef union tsb_tag_target {
uint64_t value;
struct {
unsigned invalid : 1; /**< Invalidated by software. */
unsigned : 2;
unsigned context : 13; /**< Software ASID. */
unsigned : 6;
uint64_t va_tag : 42; /**< Virtual address bits <63:22>. */
} __attribute__ ((packed));
} tsb_tag_target_t;
 
/** TSB entry. */
typedef struct tsb_entry {
tsb_tag_target_t tag;
tte_data_t data;
} __attribute__ ((packed)) tsb_entry_t;
 
typedef struct {
tsb_entry_t *itsb;
tsb_entry_t *dtsb;
} as_arch_t;
 
#else
 
typedef struct {
} as_arch_t;
 
#endif /* CONFIG_TSB */
 
#include <genarch/mm/as_ht.h>
 
#ifdef CONFIG_TSB
#include <arch/mm/tsb.h>
#define as_invalidate_translation_cache(as, page, cnt) \
tsb_invalidate((as), (page), (cnt))
#else
#define as_invalidate_translation_cache(as, page, cnt)
#endif
 
extern void as_arch_init(void);
 
#endif
 
/** @}
*/
/branches/sparc/kernel/arch/sparc64/include/mm/sun4u/tsb.h
0,0 → 1,172
/*
* 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 sparc64mm
* @{
*/
/** @file
*/
 
#ifndef KERN_sparc64_sun4u_TSB_H_
#define KERN_sparc64_sun4u_TSB_H_
 
/*
* ITSB abd DTSB will claim 64K of memory, which
* is a nice number considered that it is one of
* the page sizes supported by hardware, which,
* again, is nice because TSBs need to be locked
* in TLBs - only one TLB entry will do.
*/
#define TSB_SIZE 2 /* when changing this, change
* as.c as well */
#define ITSB_ENTRY_COUNT (512 * (1 << TSB_SIZE))
#define DTSB_ENTRY_COUNT (512 * (1 << TSB_SIZE))
 
#define TSB_TAG_TARGET_CONTEXT_SHIFT 48
 
#ifndef __ASM__
 
#include <arch/mm/tte.h>
#include <arch/mm/mmu.h>
#include <arch/types.h>
 
/** TSB Base register. */
typedef union tsb_base_reg {
uint64_t value;
struct {
uint64_t base : 51; /**< TSB base address, bits 63:13. */
unsigned split : 1; /**< Split vs. common TSB for 8K and 64K
* pages. HelenOS uses only 8K pages
* for user mappings, so we always set
* this to 0.
*/
unsigned : 9;
unsigned size : 3; /**< TSB size. Number of entries is
* 512 * 2^size. */
} __attribute__ ((packed));
} tsb_base_reg_t;
 
/** Read ITSB Base register.
*
* @return Content of the ITSB Base register.
*/
static inline uint64_t itsb_base_read(void)
{
return asi_u64_read(ASI_IMMU, VA_IMMU_TSB_BASE);
}
 
/** Read DTSB Base register.
*
* @return Content of the DTSB Base register.
*/
static inline uint64_t dtsb_base_read(void)
{
return asi_u64_read(ASI_DMMU, VA_DMMU_TSB_BASE);
}
 
/** Write ITSB Base register.
*
* @param v New content of the ITSB Base register.
*/
static inline void itsb_base_write(uint64_t v)
{
asi_u64_write(ASI_IMMU, VA_IMMU_TSB_BASE, v);
}
 
/** Write DTSB Base register.
*
* @param v New content of the DTSB Base register.
*/
static inline void dtsb_base_write(uint64_t v)
{
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, 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__ */
 
#endif
 
/** @}
*/