linux/arch/arm/mm/abort-nommu.S
Russell King 3e287bec6f ARM: entry: data abort: arrange for CPU abort helpers to take pc/psr in r4/r5
Re-jig the CPU abort helpers to take the PC/PSR in r4/r5 rather
than r2/r3.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-07-02 10:56:11 +01:00

21 lines
454 B
ArmAsm

#include <linux/linkage.h>
#include <asm/assembler.h>
/*
* Function: nommu_early_abort
*
* Params : r4 = aborted context pc
* : r5 = aborted context psr
*
* Returns : r0 = 0 (abort address)
* : r1 = 0 (FSR)
*
* Note: There is no FSR/FAR on !CPU_CP15_MMU cores.
* Just fill zero into the registers.
*/
.align 5
ENTRY(nommu_early_abort)
mov r0, #0 @ clear r0, r1 (no FSR/FAR)
mov r1, #0
mov pc, lr
ENDPROC(nommu_early_abort)