1 // SPDX-License-Identifier: GPL-2.0+
3 * (C) Copyright 2007 Michal Simek
5 * Michal SIMEK <monstr@monstr.eu>
11 void _hw_exception_handler (void)
16 /* loading address of exception EAR */
18 /* loading excetpion state register ESR */
20 printf("Hardware exception at 0x%x address\n", address);
22 printf("Return address from exception 0x%x\n", address);
23 switch (state & 0x1f) { /* mask on exception cause */
25 puts("Unaligned data access exception\n");
28 puts("Illegal op-code exception\n");
31 puts("Instruction bus error exception\n");
34 puts("Data bus error exception\n");
37 puts("Divide by zero exception\n");
41 puts("Priviledged or stack protection violation exception\n");
44 puts("Exception in delay slot\n");
48 puts("Undefined cause\n");
51 printf("Unaligned %sword access\n", ((state & 0x800) ? "" : "half"));
52 printf("Unaligned %s access\n", ((state & 0x400) ? "store" : "load"));
53 printf("Register R%x\n", (state & 0x3E) >> 5);
57 #ifdef CONFIG_SYS_USR_EXCEP
58 void _exception_handler (void)
60 puts("User vector_exception\n");