diff options
Diffstat (limited to 'cpu/at32ap/exception.c')
-rw-r--r-- | cpu/at32ap/exception.c | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/cpu/at32ap/exception.c b/cpu/at32ap/exception.c deleted file mode 100644 index dc9c300..0000000 --- a/cpu/at32ap/exception.c +++ /dev/null @@ -1,121 +0,0 @@ -/* - * Copyright (C) 2005-2006 Atmel Corporation - * - * See file CREDITS for list of people who contributed to this - * project. - * - * 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; either version 2 of - * the License, or (at your option) any later version. - * - * 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ -#include <common.h> - -#include <asm/sysreg.h> -#include <asm/ptrace.h> - -DECLARE_GLOBAL_DATA_PTR; - -static const char * const cpu_modes[8] = { - "Application", "Supervisor", "Interrupt level 0", "Interrupt level 1", - "Interrupt level 2", "Interrupt level 3", "Exception", "NMI" -}; - -static void dump_mem(const char *str, unsigned long bottom, unsigned long top) -{ - unsigned long p; - int i; - - printf("%s(0x%08lx to 0x%08lx)\n", str, bottom, top); - - for (p = bottom & ~31; p < top; ) { - printf("%04lx: ", p & 0xffff); - - for (i = 0; i < 8; i++, p += 4) { - unsigned int val; - - if (p < bottom || p >= top) - printf(" "); - else { - val = *(unsigned long *)p; - printf("%08x ", val); - } - } - printf("\n"); - } -} - -void do_unknown_exception(unsigned int ecr, struct pt_regs *regs) -{ - unsigned int mode; - - printf("\n *** Unhandled exception %u at PC=0x%08lx\n", ecr, regs->pc); - - switch (ecr) { - case ECR_BUS_ERROR_WRITE: - case ECR_BUS_ERROR_READ: - printf("Bus error at address 0x%08lx\n", - sysreg_read(BEAR)); - break; - case ECR_TLB_MULTIPLE: - case ECR_ADDR_ALIGN_X: - case ECR_PROTECTION_X: - case ECR_ADDR_ALIGN_R: - case ECR_ADDR_ALIGN_W: - case ECR_PROTECTION_R: - case ECR_PROTECTION_W: - case ECR_DTLB_MODIFIED: - case ECR_TLB_MISS_X: - case ECR_TLB_MISS_R: - case ECR_TLB_MISS_W: - printf("MMU exception at address 0x%08lx\n", - sysreg_read(TLBEAR)); - break; - } - - printf(" pc: %08lx lr: %08lx sp: %08lx r12: %08lx\n", - regs->pc, regs->lr, regs->sp, regs->r12); - printf(" r11: %08lx r10: %08lx r9: %08lx r8: %08lx\n", - regs->r11, regs->r10, regs->r9, regs->r8); - printf(" r7: %08lx r6: %08lx r5: %08lx r4: %08lx\n", - regs->r7, regs->r6, regs->r5, regs->r4); - printf(" r3: %08lx r2: %08lx r1: %08lx r0: %08lx\n", - regs->r3, regs->r2, regs->r1, regs->r0); - printf("Flags: %c%c%c%c%c\n", - regs->sr & SR_Q ? 'Q' : 'q', - regs->sr & SR_V ? 'V' : 'v', - regs->sr & SR_N ? 'N' : 'n', - regs->sr & SR_Z ? 'Z' : 'z', - regs->sr & SR_C ? 'C' : 'c'); - printf("Mode bits: %c%c%c%c%c%c%c%c%c\n", - regs->sr & SR_H ? 'H' : 'h', - regs->sr & SR_R ? 'R' : 'r', - regs->sr & SR_J ? 'J' : 'j', - regs->sr & SR_EM ? 'E' : 'e', - regs->sr & SR_I3M ? '3' : '.', - regs->sr & SR_I2M ? '2' : '.', - regs->sr & SR_I1M ? '1' : '.', - regs->sr & SR_I0M ? '0' : '.', - regs->sr & SR_GM ? 'G' : 'g'); - mode = (regs->sr >> SYSREG_M0_OFFSET) & 7; - printf("CPU Mode: %s\n", cpu_modes[mode]); - - /* Avoid exception loops */ - if (regs->sp < (gd->stack_end - CONFIG_STACKSIZE) - || regs->sp >= gd->stack_end) - printf("\nStack pointer seems bogus, won't do stack dump\n"); - else - dump_mem("\nStack: ", regs->sp, gd->stack_end); - - panic("Unhandled exception\n"); -} |