ip32-berr.c

来自「一个2.4.21版本的嵌入式linux内核」· C语言 代码 · 共 37 行

/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 1994, 1995, 1996, 1999, 2000 by Ralf Baechle
 * Copyright (C) 1999, 2000 by Silicon Graphics
 * Copyright (C) 2002  Maciej W. Rozycki
 */
#include <linux/init.h>
#include <linux/kernel.h>
#include <asm/traps.h>
#include <asm/uaccess.h>
#include <asm/addrspace.h>
#include <asm/ptrace.h>

int
be_ip32_handler(struct pt_regs *regs, int is_fixup)
{
	int data = regs->cp0_cause & 4;

	if (is_fixup)
		return MIPS_BE_FIXUP;

	printk("Got %cbe at 0x%lx\n", data ? 'd' : 'i', regs->cp0_epc);
	show_regs(regs);
	dump_tlb_all();
	while(1);
	force_sig(SIGBUS, current);
}

void __init
bus_error_init(void)
{
	be_board_handler = be_ip32_handler;
}