2 * (C) Copyright 2007 Michal Simek
4 * Michal SIMEK <monstr@monstr.eu>
6 * See file CREDITS for list of people who contributed to this
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of
12 * the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
28 void _hw_exception_handler (void)
32 /* loading address of exception EAR */
34 /* loading excetpion state register ESR */
36 printf ("Hardware exception at 0x%x address\n", address);
37 switch (state & 0x1f) { /* mask on exception cause */
39 puts ("Unaligned data access exception\n");
42 puts ("Illegal op-code exception\n");
45 puts ("Instruction bus error exception\n");
48 puts ("Data bus error exception\n");
51 puts ("Divide by zero exception\n");
55 puts ("Exception in delay slot\n");
59 puts ("Undefined cause\n");
62 printf ("Unaligned %sword access\n", ((state & 0x800) ? "" : "half"));
63 printf ("Unaligned %s access\n", ((state & 0x400) ? "store" : "load"));
64 printf ("Register R%x\n", (state & 0x3E) >> 5);
68 #ifdef CONFIG_SYS_USR_EXCEP
69 void _exception_handler (void)
71 puts ("User vector_exception\n");