xref: /OK3568_Linux_fs/kernel/arch/mips/sgi-ip32/ip32-berr.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * This file is subject to the terms and conditions of the GNU General Public
3*4882a593Smuzhiyun  * License.  See the file "COPYING" in the main directory of this archive
4*4882a593Smuzhiyun  * for more details.
5*4882a593Smuzhiyun  *
6*4882a593Smuzhiyun  * Copyright (C) 1994, 1995, 1996, 1999, 2000 by Ralf Baechle
7*4882a593Smuzhiyun  * Copyright (C) 1999, 2000 by Silicon Graphics
8*4882a593Smuzhiyun  * Copyright (C) 2002  Maciej W. Rozycki
9*4882a593Smuzhiyun  */
10*4882a593Smuzhiyun #include <linux/init.h>
11*4882a593Smuzhiyun #include <linux/kernel.h>
12*4882a593Smuzhiyun #include <linux/sched.h>
13*4882a593Smuzhiyun #include <linux/sched/debug.h>
14*4882a593Smuzhiyun #include <linux/sched/signal.h>
15*4882a593Smuzhiyun #include <asm/traps.h>
16*4882a593Smuzhiyun #include <linux/uaccess.h>
17*4882a593Smuzhiyun #include <asm/addrspace.h>
18*4882a593Smuzhiyun #include <asm/ptrace.h>
19*4882a593Smuzhiyun #include <asm/tlbdebug.h>
20*4882a593Smuzhiyun 
ip32_be_handler(struct pt_regs * regs,int is_fixup)21*4882a593Smuzhiyun static int ip32_be_handler(struct pt_regs *regs, int is_fixup)
22*4882a593Smuzhiyun {
23*4882a593Smuzhiyun 	int data = regs->cp0_cause & 4;
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun 	if (is_fixup)
26*4882a593Smuzhiyun 		return MIPS_BE_FIXUP;
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun 	printk("Got %cbe at 0x%lx\n", data ? 'd' : 'i', regs->cp0_epc);
29*4882a593Smuzhiyun 	show_regs(regs);
30*4882a593Smuzhiyun 	dump_tlb_all();
31*4882a593Smuzhiyun 	while(1);
32*4882a593Smuzhiyun 	force_sig(SIGBUS);
33*4882a593Smuzhiyun }
34*4882a593Smuzhiyun 
ip32_be_init(void)35*4882a593Smuzhiyun void __init ip32_be_init(void)
36*4882a593Smuzhiyun {
37*4882a593Smuzhiyun 	board_be_handler = ip32_be_handler;
38*4882a593Smuzhiyun }
39