summaryrefslogtreecommitdiff
path: root/arch/mips/dec/prom/locore.S
blob: d9acdcefee8158d3e22ef7bb0eb8d108ea471885 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
/*
 * locore.S
 */
#include <asm/asm.h>
#include <asm/regdef.h>
#include <asm/mipsregs.h>

	.text

/*
 * Simple general exception handling routine. This one is used for the
 * Memory sizing routine for pmax machines. HK
 */

NESTED(genexcept_early, 0, sp)
	.set	noat
	.set	noreorder

	mfc0	k0, CP0_STATUS
	la	k1, mem_err

	sw	k0, 0(k1)

	mfc0	k0, CP0_EPC
	nop
	addiu	k0, 4		# skip the causing instruction
	jr	k0
	 rfe
END(genexcept_early)