/kernel/trunk/generic/include/interrupt.h |
---|
30,12 → 30,15 |
#define __INTERRUPT_H__ |
#include <arch/interrupt.h> |
#include <typedefs.h> |
#ifndef IVT_ITEMS |
# define IVT_ITEMS 0 |
# define IVT_ITEMS 0 |
#endif |
typedef void (* iroutine)(int n, void *stack); |
#ifndef IVT_FIRST |
# define IVT_FIRST 0 |
#endif |
extern iroutine exc_register(int n, const char *name, iroutine f); |
extern void exc_dispatch(int n, void *stack); |
/kernel/trunk/generic/include/typedefs.h |
---|
86,4 → 86,6 |
typedef struct cmd_arg cmd_arg_t; |
typedef struct cmd_info cmd_info_t; |
typedef void (* iroutine)(int n, void *stack); |
#endif |
/kernel/trunk/generic/src/interrupt/interrupt.c |
---|
74,7 → 74,7 |
{ |
ASSERT(n < IVT_ITEMS); |
exc_table[n].f(n, stack); |
exc_table[n].f(n + IVT_FIRST, stack); |
} |
/** Default 'null' exception handler */ |
83,7 → 83,7 |
panic("Unhandled exception %d.", n); |
} |
/** KConsole cmd - print all exceptions */ |
/** kconsole cmd - print all exceptions */ |
static int exc_print_cmd(cmd_arg_t *argv) |
{ |
int i; |
95,7 → 95,7 |
symbol = get_symtab_entry((__native)exc_table[i].f); |
if (!symbol) |
symbol = "not found"; |
printf("%d %s 0x%p(%s)\n",i,exc_table[i].name, |
printf("%d %s 0x%p(%s)\n", i + IVT_FIRST, exc_table[i].name, |
exc_table[i].f,symbol); |
if (!((i+1) % 20)) { |
printf("Press any key to continue."); |
/kernel/trunk/arch/sparc64/include/interrupt.h |
---|
29,4 → 29,11 |
#ifndef __sparc64_INTERRUPT_H__ |
#define __sparc64_INTERRUPT_H__ |
#include <typedefs.h> |
#define IVT_ITEMS 15 |
#define IVT_FIRST 1 |
extern void interrupt_register(int n, const char *name, iroutine f); |
#endif |
/kernel/trunk/arch/sparc64/include/asm.h |
---|
100,7 → 100,28 |
__asm__ volatile ("wrpr %0, %1, %%tick\n" : : "r" (v), "i" (0)); |
} |
/** Read SOFTINT Register. |
* |
* @return Value of SOFTINT register. |
*/ |
static inline __u64 softint_read(void) |
{ |
__u64 v; |
__asm__ volatile ("rd %%softint, %0\n" : "=r" (v)); |
return v; |
} |
/** Write SOFTINT Register. |
* |
* @param New value of SOFTINT register. |
*/ |
static inline void softint_write(__u64 v) |
{ |
__asm__ volatile ("wr %0, %1, %%softint\n" : : "r" (v), "i" (0)); |
} |
/** Enable interrupts. |
* |
* Enable interrupts and return previous |
/kernel/trunk/arch/sparc64/include/trap/interrupt.h |
---|
0,0 → 1,74 |
/* |
* 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. |
*/ |
/** |
* This file contains interrupt vector trap handler. |
*/ |
#ifndef __sparc64_INTERRUPT_H__ |
#define __sparc64_INTERRUPT_H__ |
#include <arch/trap/trap_table.h> |
#define TT_INTERRUPT_LEVEL_1 0x41 |
#define TT_INTERRUPT_LEVEL_2 0x42 |
#define TT_INTERRUPT_LEVEL_3 0x43 |
#define TT_INTERRUPT_LEVEL_4 0x44 |
#define TT_INTERRUPT_LEVEL_5 0x45 |
#define TT_INTERRUPT_LEVEL_6 0x46 |
#define TT_INTERRUPT_LEVEL_7 0x47 |
#define TT_INTERRUPT_LEVEL_8 0x48 |
#define TT_INTERRUPT_LEVEL_9 0x49 |
#define TT_INTERRUPT_LEVEL_10 0x4a |
#define TT_INTERRUPT_LEVEL_11 0x4b |
#define TT_INTERRUPT_LEVEL_12 0x4c |
#define TT_INTERRUPT_LEVEL_13 0x4d |
#define TT_INTERRUPT_LEVEL_14 0x4e |
#define TT_INTERRUPT_LEVEL_15 0x4f |
#define TT_INTERRUPT_VECTOR_TRAP 0x60 |
#define INTERRUPT_LEVEL_N_HANDLER_SIZE TRAP_TABLE_ENTRY_SIZE |
#define INTERRUPT_VECTOR_TRAP_HANDLER_SIZE TRAP_TABLE_ENTRY_SIZE |
#ifdef __ASM__ |
.macro INTERRUPT_LEVEL_N_HANDLER n |
save %sp, -128, %sp |
mov \n - 1, %o0 |
call exc_dispatch |
mov %fp, %o1 |
restore |
retry |
.endm |
.macro INTERRUPT_VECTOR_TRAP_HANDLER |
retry |
.endm |
#endif /* __ASM__ */ |
#endif |
/kernel/trunk/arch/sparc64/include/register.h |
---|
80,10 → 80,22 |
union tick_compare_reg { |
__u64 value; |
struct { |
unsigned int_dis : 1; /**< TICK_INT interrupt enable. */ |
unsigned int_dis : 1; /**< TICK_INT interrupt disabled flag. */ |
__u64 tick_cmpr : 63; /**< Compare value for TICK interrupts. */ |
} __attribute__ ((packed)); |
}; |
typedef union tick_compare_reg tick_compare_reg_t; |
/** SOFTINT Register. */ |
union softint_reg { |
__u64 value; |
struct { |
__u64 : 47; |
unsigned stick_int : 1; |
unsigned int_level : 15; |
unsigned tick_int : 1; |
} __attribute__ ((packed)); |
}; |
typedef union softint_reg softint_reg_t; |
#endif |
/kernel/trunk/arch/sparc64/include/drivers/tick.h |
---|
0,0 → 1,37 |
/* |
* 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. |
*/ |
#ifndef __sparc64_TICK_H__ |
#define __sparc64_TICK_H__ |
#define TICK_DELTA 100000 |
extern void tick_init(void); |
extern void tick_interrupt(int n, void *stack); |
#endif |
/kernel/trunk/arch/sparc64/Makefile.inc |
---|
60,4 → 60,5 |
arch/$(ARCH)/src/start.S \ |
arch/$(ARCH)/src/trap/trap_table.S \ |
arch/$(ARCH)/src/trap/trap.c \ |
arch/$(ARCH)/src/trap/interrupt.c |
arch/$(ARCH)/src/trap/interrupt.c \ |
arch/$(ARCH)/src/drivers/tick.c |
/kernel/trunk/arch/sparc64/src/console.c |
---|
30,6 → 30,8 |
#include <genarch/ofw/ofw.h> |
#include <console/chardev.h> |
#include <console/console.h> |
#include <arch/asm.h> |
#include <arch/register.h> |
static void ofw_sparc64_putchar(chardev_t *d, const char ch); |
50,7 → 52,19 |
*/ |
void ofw_sparc64_putchar(chardev_t *d, const char ch) |
{ |
pstate_reg_t pstate; |
/* |
* 32-bit OpenFirmware depends on PSTATE.AM bit set. |
*/ |
pstate.value = pstate_read(); |
pstate.am = true; |
pstate_write(pstate.value); |
if (ch == '\n') |
ofw_putchar('\r'); |
ofw_putchar(ch); |
pstate.am = false; |
pstate_write(pstate.value); |
} |
/kernel/trunk/arch/sparc64/src/sparc64.c |
---|
30,6 → 30,7 |
#include <print.h> |
#include <arch/trap/trap.h> |
#include <arch/console.h> |
#include <arch/drivers/tick.h> |
void arch_pre_mm_init(void) |
{ |
36,6 → 37,7 |
interrupts_disable(); |
ofw_sparc64_console_init(); |
trap_init(); |
tick_init(); |
} |
void arch_post_mm_init(void) |
/kernel/trunk/arch/sparc64/src/trap/trap.c |
---|
35,6 → 35,7 |
#include <debug.h> |
#include <arch/types.h> |
#include <typedefs.h> |
#include <arch/drivers/tick.h> |
/** Initialize trap table. */ |
void trap_init(void) |
58,7 → 59,21 |
trap_install_handler(TT_CLEAN_WINDOW, CLEAN_WINDOW_HANDLER_SIZE, true); |
trap_install_handler(TT_SPILL_0_NORMAL, SPILL_HANDLER_SIZE, true); |
trap_install_handler(TT_FILL_0_NORMAL, FILL_HANDLER_SIZE, true); |
trap_install_handler(TT_INTERRUPT_LEVEL_1, INTERRUPT_LEVEL_N_HANDLER_SIZE, false); |
trap_install_handler(TT_INTERRUPT_LEVEL_2, INTERRUPT_LEVEL_N_HANDLER_SIZE, false); |
trap_install_handler(TT_INTERRUPT_LEVEL_3, INTERRUPT_LEVEL_N_HANDLER_SIZE, false); |
trap_install_handler(TT_INTERRUPT_LEVEL_4, INTERRUPT_LEVEL_N_HANDLER_SIZE, false); |
trap_install_handler(TT_INTERRUPT_LEVEL_5, INTERRUPT_LEVEL_N_HANDLER_SIZE, false); |
trap_install_handler(TT_INTERRUPT_LEVEL_6, INTERRUPT_LEVEL_N_HANDLER_SIZE, false); |
trap_install_handler(TT_INTERRUPT_LEVEL_7, INTERRUPT_LEVEL_N_HANDLER_SIZE, false); |
trap_install_handler(TT_INTERRUPT_LEVEL_8, INTERRUPT_LEVEL_N_HANDLER_SIZE, false); |
trap_install_handler(TT_INTERRUPT_LEVEL_9, INTERRUPT_LEVEL_N_HANDLER_SIZE, false); |
trap_install_handler(TT_INTERRUPT_LEVEL_10, INTERRUPT_LEVEL_N_HANDLER_SIZE, false); |
trap_install_handler(TT_INTERRUPT_LEVEL_11, INTERRUPT_LEVEL_N_HANDLER_SIZE, false); |
trap_install_handler(TT_INTERRUPT_LEVEL_12, INTERRUPT_LEVEL_N_HANDLER_SIZE, false); |
trap_install_handler(TT_INTERRUPT_LEVEL_13, INTERRUPT_LEVEL_N_HANDLER_SIZE, false); |
trap_install_handler(TT_INTERRUPT_LEVEL_14, INTERRUPT_LEVEL_N_HANDLER_SIZE, false); |
trap_install_handler(TT_INTERRUPT_LEVEL_15, INTERRUPT_LEVEL_N_HANDLER_SIZE, false); |
trap_install_handler(TT_INTERRUPT_VECTOR_TRAP, INTERRUPT_VECTOR_TRAP_HANDLER_SIZE, false); |
} |
/kernel/trunk/arch/sparc64/src/trap/interrupt.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. |
*/ |
#include <arch/interrupt.h> |
#include <interrupt.h> |
#include <debug.h> |
/** Register Interrupt Level Handler. |
* |
* @param n Interrupt Level (1 - 15). |
* @param name Short descriptive string. |
* @param f Handler. |
*/ |
void interrupt_register(int n, const char *name, iroutine f) |
{ |
ASSERT(n >= IVT_FIRST && n <= IVT_ITEMS); |
exc_register(n - 1, name, f); |
} |
/kernel/trunk/arch/sparc64/src/trap/trap_table.S |
---|
60,6 → 60,96 |
clean_window_handler: |
CLEAN_WINDOW_HANDLER |
/* TT = 0x41, TL = 0, interrupt_level_1 handler */ |
.org trap_table + TT_INTERRUPT_LEVEL_1*ENTRY_SIZE |
.global interrupt_level_1_handler |
interrupt_level_1_handler: |
INTERRUPT_LEVEL_N_HANDLER 1 |
/* TT = 0x42, TL = 0, interrupt_level_2 handler */ |
.org trap_table + TT_INTERRUPT_LEVEL_2*ENTRY_SIZE |
.global interrupt_level_2_handler |
interrupt_level_2_handler: |
INTERRUPT_LEVEL_N_HANDLER 2 |
/* TT = 0x43, TL = 0, interrupt_level_3 handler */ |
.org trap_table + TT_INTERRUPT_LEVEL_3*ENTRY_SIZE |
.global interrupt_level_3_handler |
interrupt_level_3_handler: |
INTERRUPT_LEVEL_N_HANDLER 3 |
/* TT = 0x44, TL = 0, interrupt_level_4 handler */ |
.org trap_table + TT_INTERRUPT_LEVEL_4*ENTRY_SIZE |
.global interrupt_level_4_handler |
interrupt_level_4_handler: |
INTERRUPT_LEVEL_N_HANDLER 4 |
/* TT = 0x45, TL = 0, interrupt_level_5 handler */ |
.org trap_table + TT_INTERRUPT_LEVEL_5*ENTRY_SIZE |
.global interrupt_level_5_handler |
interrupt_level_5_handler: |
INTERRUPT_LEVEL_N_HANDLER 5 |
/* TT = 0x46, TL = 0, interrupt_level_6 handler */ |
.org trap_table + TT_INTERRUPT_LEVEL_6*ENTRY_SIZE |
.global interrupt_level_6_handler |
interrupt_level_6_handler: |
INTERRUPT_LEVEL_N_HANDLER 6 |
/* TT = 0x47, TL = 0, interrupt_level_7 handler */ |
.org trap_table + TT_INTERRUPT_LEVEL_7*ENTRY_SIZE |
.global interrupt_level_7_handler |
interrupt_level_7_handler: |
INTERRUPT_LEVEL_N_HANDLER 7 |
/* TT = 0x48, TL = 0, interrupt_level_8 handler */ |
.org trap_table + TT_INTERRUPT_LEVEL_8*ENTRY_SIZE |
.global interrupt_level_8_handler |
interrupt_level_8_handler: |
INTERRUPT_LEVEL_N_HANDLER 8 |
/* TT = 0x49, TL = 0, interrupt_level_9 handler */ |
.org trap_table + TT_INTERRUPT_LEVEL_9*ENTRY_SIZE |
.global interrupt_level_9_handler |
interrupt_level_9_handler: |
INTERRUPT_LEVEL_N_HANDLER 9 |
/* TT = 0x4a, TL = 0, interrupt_level_10 handler */ |
.org trap_table + TT_INTERRUPT_LEVEL_10*ENTRY_SIZE |
.global interrupt_level_10_handler |
interrupt_level_10_handler: |
INTERRUPT_LEVEL_N_HANDLER 10 |
/* TT = 0x4b, TL = 0, interrupt_level_11 handler */ |
.org trap_table + TT_INTERRUPT_LEVEL_11*ENTRY_SIZE |
.global interrupt_level_11_handler |
interrupt_level_11_handler: |
INTERRUPT_LEVEL_N_HANDLER 11 |
/* TT = 0x4c, TL = 0, interrupt_level_12 handler */ |
.org trap_table + TT_INTERRUPT_LEVEL_12*ENTRY_SIZE |
.global interrupt_level_12_handler |
interrupt_level_12_handler: |
INTERRUPT_LEVEL_N_HANDLER 12 |
/* TT = 0x4d, TL = 0, interrupt_level_13 handler */ |
.org trap_table + TT_INTERRUPT_LEVEL_13*ENTRY_SIZE |
.global interrupt_level_13_handler |
interrupt_level_13_handler: |
INTERRUPT_LEVEL_N_HANDLER 13 |
/* TT = 0x4e, TL = 0, interrupt_level_14 handler */ |
.org trap_table + TT_INTERRUPT_LEVEL_14*ENTRY_SIZE |
.global interrupt_level_14_handler |
interrupt_level_14_handler: |
INTERRUPT_LEVEL_N_HANDLER 14 |
/* TT = 0x4f, TL = 0, interrupt_level_15 handler */ |
.org trap_table + TT_INTERRUPT_LEVEL_15*ENTRY_SIZE |
.global interrupt_level_15_handler |
interrupt_level_15_handler: |
INTERRUPT_LEVEL_N_HANDLER 15 |
/* TT = 0x60, TL = 0, interrupt_vector_trap handler */ |
.org trap_table + TT_INTERRUPT_VECTOR_TRAP*ENTRY_SIZE |
.global interrupt_vector_trap_handler |
/kernel/trunk/arch/sparc64/src/drivers/tick.c |
---|
0,0 → 1,50 |
/* |
* 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/drivers/tick.h> |
#include <arch/interrupt.h> |
#include <arch/asm.h> |
#include <arch/register.h> |
#include <debug.h> |
#include <print.h> |
void tick_init(void) |
{ |
tick_compare_reg_t compare; |
interrupt_register(14, "tick_int", tick_interrupt); |
compare.int_dis = false; |
compare.tick_cmpr = TICK_DELTA; |
tick_compare_write(compare.value); |
tick_write(0); |
} |
void tick_interrupt(int n, void *stack) |
{ |
panic("Unserviced %s.\n", __FUNCTION__); |
} |