mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-15 09:56:58 +07:00
8dfe7ac96f
Tail-call the main C prefetch abort handler code from the per-CPU helper code. Also note that the helper function becomes ABI compliant in terms of the registers preserved. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
22 lines
444 B
ArmAsm
22 lines
444 B
ArmAsm
#include <linux/linkage.h>
|
|
#include <asm/assembler.h>
|
|
|
|
/*
|
|
* Function: v7_pabort
|
|
*
|
|
* Params : r2 = pt_regs
|
|
* : r4 = address of aborted instruction
|
|
* : r5 = psr for parent context
|
|
*
|
|
* Returns : r4 - r11, r13 preserved
|
|
*
|
|
* Purpose : obtain information about current prefetch abort.
|
|
*/
|
|
|
|
.align 5
|
|
ENTRY(v7_pabort)
|
|
mrc p15, 0, r0, c6, c0, 2 @ get IFAR
|
|
mrc p15, 0, r1, c5, c0, 1 @ get IFSR
|
|
b do_PrefetchAbort
|
|
ENDPROC(v7_pabort)
|