31 lines
440 B
ArmAsm
31 lines
440 B
ArmAsm
|
/*
|
||
|
|
* 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)
|
||
|
|
|