diff options
Diffstat (limited to 'payloads/libpayload/arch/mips/exception.c')
| -rw-r--r-- | payloads/libpayload/arch/mips/exception.c | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/payloads/libpayload/arch/mips/exception.c b/payloads/libpayload/arch/mips/exception.c deleted file mode 100644 index e488f2e3bd..0000000000 --- a/payloads/libpayload/arch/mips/exception.c +++ /dev/null @@ -1,103 +0,0 @@ -/* - * This file is part of the libpayload project. - * - * Copyright (C) 2014 Imagination Technologies - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <arch/exception.h> -#include <exception.h> -#include <libpayload.h> -#include <stdint.h> - -u32 exception_stack[0x400] __attribute__((aligned(8))); -struct exception_state_t exception_state; - -static const char *names[EXC_COUNT] = { - [EXC_CACHE_ERROR] = "Cache error exception", - [EXC_TLB_REFILL_AND_ALL] = "TLB refill or general exception", - [EXC_INTERRUPT] = "Interrupt", - [EXC_EJTAG_DEBUG] = "EJTAG debug exception" -}; - -static void dump_exception_state(void) -{ - printf("%s exception!\n", names[exception_state_ptr->vector]); - printf("\nRegisters:\n"); - printf("ZERO:\t0x%08x\n", exception_state_ptr->regs.zero); - printf("AT:\t0x%08x\n", exception_state_ptr->regs.at); - printf("V0:\t0x%08x\n", exception_state_ptr->regs.v0); - printf("V1:\t0x%08x\n", exception_state_ptr->regs.v1); - printf("A0:\t0x%08x\n", exception_state_ptr->regs.a0); - printf("A1:\t0x%08x\n", exception_state_ptr->regs.a1); - printf("A2:\t0x%08x\n", exception_state_ptr->regs.a2); - printf("A3:\t0x%08x\n", exception_state_ptr->regs.a3); - printf("T0:\t0x%08x\n", exception_state_ptr->regs.t0); - printf("T1:\t0x%08x\n", exception_state_ptr->regs.t1); - printf("T2:\t0x%08x\n", exception_state_ptr->regs.t2); - printf("T3:\t0x%08x\n", exception_state_ptr->regs.t3); - printf("T4:\t0x%08x\n", exception_state_ptr->regs.t4); - printf("T5:\t0x%08x\n", exception_state_ptr->regs.t5); - printf("T6:\t0x%08x\n", exception_state_ptr->regs.t6); - printf("T7:\t0x%08x\n", exception_state_ptr->regs.t7); - printf("S0:\t0x%08x\n", exception_state_ptr->regs.s0); - printf("S1:\t0x%08x\n", exception_state_ptr->regs.s1); - printf("S2:\t0x%08x\n", exception_state_ptr->regs.s2); - printf("S3:\t0x%08x\n", exception_state_ptr->regs.s3); - printf("S4:\t0x%08x\n", exception_state_ptr->regs.s4); - printf("S5:\t0x%08x\n", exception_state_ptr->regs.s5); - printf("S6:\t0x%08x\n", exception_state_ptr->regs.s6); - printf("S7:\t0x%08x\n", exception_state_ptr->regs.s7); - printf("T8:\t0x%08x\n", exception_state_ptr->regs.t8); - printf("T9:\t0x%08x\n", exception_state_ptr->regs.t9); - printf("K0:\t0x%08x\n", exception_state_ptr->regs.k0); - printf("K1:\t0x%08x\n", exception_state_ptr->regs.k1); - printf("GP:\t0x%08x\n", exception_state_ptr->regs.gp); - printf("SP:\t0x%08x\n", exception_state_ptr->regs.sp); - printf("FP:\t0x%08x\n", exception_state_ptr->regs.fp); - printf("RA:\t0x%08x\n", exception_state_ptr->regs.ra); -} - -static void dump_stack(uintptr_t addr, size_t bytes) -{ - int i, j; - const int words_per_line = 8; - int words_to_print; - uint32_t *ptr = (uint32_t *) - (addr & ~(words_per_line * sizeof(*ptr) - 1)); - - printf("Dumping stack:\n"); - words_to_print = bytes/sizeof(*ptr); - for (i = words_to_print; i >= 0; i -= words_per_line) { - printf("%p: ", ptr + i); - for (j = i; j < i + words_per_line; j++) - printf("%08x ", *(ptr + j)); - printf("\n"); - } -} - - -void exception_dispatch(void) -{ - u32 vec = exception_state_ptr->vector; - die_if(vec >= EXC_COUNT || !names[vec], "Bad exception vector %u", vec); - - dump_exception_state(); - dump_stack(exception_state_ptr->regs.sp, 512); - halt(); -} - -void exception_init(void) -{ - exception_stack_end = exception_stack + ARRAY_SIZE(exception_stack); - exception_state_ptr = &exception_state; - exception_init_asm(); -} |