linux/linux-5.4.31/arch/mips/dec/prom/locore.S

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ArmAsm
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2024-01-30 10:43:28 +00:00
/* SPDX-License-Identifier: GPL-2.0 */
/*
* 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)