xref: /openbmc/u-boot/arch/nios2/cpu/traps.c (revision efc05ae1)
1 /*
2  * (C) Copyright 2004, Psyent Corporation <www.psyent.com>
3  * Scott McNutt <smcnutt@psyent.com>
4  *
5  * See file CREDITS for list of people who contributed to this
6  * project.
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License as
10  * published by the Free Software Foundation; either version 2 of
11  * the License, or (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21  * MA 02111-1307 USA
22  */
23 
24 #include <asm/ptrace.h>
25 #include <common.h>
26 
27 void trap_handler (struct pt_regs *regs)
28 {
29 	/* Just issue warning */
30 	printf ("\n\n*** WARNING: unimplemented trap @ %08x\n\n",
31 			regs->reg[29] - 4);
32 }
33 
34 void soft_emulation (struct pt_regs *regs)
35 {
36 	/* TODO: Software emulation of mul/div etc. Until this is
37 	 * implemented, generate warning and hang.
38 	 */
39 	printf ("\n\n*** ERROR: unimplemented instruction @ %08x\n",
40 			regs->reg[29] - 4);
41 	hang ();
42 }
43