xref: /rk3399_rockchip-uboot/arch/nios2/cpu/traps.c (revision 37e4dafaae96ccc970a896f90186fadcf858aad0)
1*37e4dafaSPeter Tyser /*
2*37e4dafaSPeter Tyser  * (C) Copyright 2004, Psyent Corporation <www.psyent.com>
3*37e4dafaSPeter Tyser  * Scott McNutt <smcnutt@psyent.com>
4*37e4dafaSPeter Tyser  *
5*37e4dafaSPeter Tyser  * See file CREDITS for list of people who contributed to this
6*37e4dafaSPeter Tyser  * project.
7*37e4dafaSPeter Tyser  *
8*37e4dafaSPeter Tyser  * This program is free software; you can redistribute it and/or
9*37e4dafaSPeter Tyser  * modify it under the terms of the GNU General Public License as
10*37e4dafaSPeter Tyser  * published by the Free Software Foundation; either version 2 of
11*37e4dafaSPeter Tyser  * the License, or (at your option) any later version.
12*37e4dafaSPeter Tyser  *
13*37e4dafaSPeter Tyser  * This program is distributed in the hope that it will be useful,
14*37e4dafaSPeter Tyser  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15*37e4dafaSPeter Tyser  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16*37e4dafaSPeter Tyser  * GNU General Public License for more details.
17*37e4dafaSPeter Tyser  *
18*37e4dafaSPeter Tyser  * You should have received a copy of the GNU General Public License
19*37e4dafaSPeter Tyser  * along with this program; if not, write to the Free Software
20*37e4dafaSPeter Tyser  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21*37e4dafaSPeter Tyser  * MA 02111-1307 USA
22*37e4dafaSPeter Tyser  */
23*37e4dafaSPeter Tyser 
24*37e4dafaSPeter Tyser #include <asm/ptrace.h>
25*37e4dafaSPeter Tyser #include <common.h>
26*37e4dafaSPeter Tyser 
27*37e4dafaSPeter Tyser void trap_handler (struct pt_regs *regs)
28*37e4dafaSPeter Tyser {
29*37e4dafaSPeter Tyser 	/* Just issue warning */
30*37e4dafaSPeter Tyser 	printf ("\n\n*** WARNING: unimplemented trap @ %08x\n\n",
31*37e4dafaSPeter Tyser 			regs->reg[29] - 4);
32*37e4dafaSPeter Tyser }
33*37e4dafaSPeter Tyser 
34*37e4dafaSPeter Tyser void soft_emulation (struct pt_regs *regs)
35*37e4dafaSPeter Tyser {
36*37e4dafaSPeter Tyser 	/* TODO: Software emulation of mul/div etc. Until this is
37*37e4dafaSPeter Tyser 	 * implemented, generate warning and hang.
38*37e4dafaSPeter Tyser 	 */
39*37e4dafaSPeter Tyser 	printf ("\n\n*** ERROR: unimplemented instruction @ %08x\n",
40*37e4dafaSPeter Tyser 			regs->reg[29] - 4);
41*37e4dafaSPeter Tyser 	hang ();
42*37e4dafaSPeter Tyser }
43