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https://github.com/brain-hackers/u-boot-brain
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db41d65a97
At present panic() is in the vsprintf.h header file. That does not seem like an obvious choice for hang(), even though it relates to panic(). So let's put hang() in its own header. Signed-off-by: Simon Glass <sjg@chromium.org> [trini: Migrate a few more files] Signed-off-by: Tom Rini <trini@konsulko.com>
65 lines
1.4 KiB
C
65 lines
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2007 Michal Simek
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*
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* Michal SIMEK <monstr@monstr.eu>
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*/
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#include <common.h>
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#include <hang.h>
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#include <asm/asm.h>
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void _hw_exception_handler (void)
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{
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int address = 0;
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int state = 0;
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/* loading address of exception EAR */
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MFS(address, rear);
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/* loading excetpion state register ESR */
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MFS(state, resr);
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printf("Hardware exception at 0x%x address\n", address);
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R17(address);
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printf("Return address from exception 0x%x\n", address);
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switch (state & 0x1f) { /* mask on exception cause */
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case 0x1:
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puts("Unaligned data access exception\n");
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break;
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case 0x2:
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puts("Illegal op-code exception\n");
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break;
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case 0x3:
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puts("Instruction bus error exception\n");
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break;
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case 0x4:
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puts("Data bus error exception\n");
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break;
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case 0x5:
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puts("Divide by zero exception\n");
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break;
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#ifdef MICROBLAZE_V5
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case 0x7:
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puts("Priviledged or stack protection violation exception\n");
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break;
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case 0x1000:
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puts("Exception in delay slot\n");
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break;
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#endif
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default:
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puts("Undefined cause\n");
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break;
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}
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printf("Unaligned %sword access\n", ((state & 0x800) ? "" : "half"));
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printf("Unaligned %s access\n", ((state & 0x400) ? "store" : "load"));
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printf("Register R%x\n", (state & 0x3E) >> 5);
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hang();
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}
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#ifdef CONFIG_SYS_USR_EXCEP
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void _exception_handler (void)
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{
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puts("User vector_exception\n");
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hang();
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}
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#endif
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