diff options
| author | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
|---|---|---|
| committer | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
| commit | 8e4bff4cab0ddac6060645b0715210484d02ff40 (patch) | |
| tree | 3a5c3024371a04692a3a6d9974d001cdff8ebf84 /arch/arm/mm/pabort-v7.S | |
Diffstat (limited to 'arch/arm/mm/pabort-v7.S')
| -rw-r--r-- | arch/arm/mm/pabort-v7.S | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm/mm/pabort-v7.S b/arch/arm/mm/pabort-v7.S new file mode 100644 index 00000000..875761f4 --- /dev/null +++ b/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) |