linux/arch/arm/mm/abort-nommu.S
Russell King da74047257 ARM: entry: data abort: tail-call the main data abort handler
Tail-call the main C data abort handler code from the per-CPU helper
code.  Update the comments in the code wrt the new calling and return
register state.

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

20 lines
459 B
ArmAsm

#include <linux/linkage.h>
#include <asm/assembler.h>
/*
* Function: nommu_early_abort
*
* Params : r2 = pt_regs
* : r4 = aborted context pc
* : r5 = aborted context psr
*
* Returns : r4 - r11, r13 preserved
*
* 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
b do_DataAbort
ENDPROC(nommu_early_abort)