diff options
Diffstat (limited to 'kernel/arch/arm/mm/pabort-v7.S')
| -rw-r--r-- | kernel/arch/arm/mm/pabort-v7.S | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/kernel/arch/arm/mm/pabort-v7.S b/kernel/arch/arm/mm/pabort-v7.S new file mode 100644 index 000000000..875761f44 --- /dev/null +++ b/kernel/arch/arm/mm/pabort-v7.S @@ -0,0 +1,21 @@ +#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) |