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| author | Jens Axboe <jens.axboe@oracle.com> | 2009-10-05 11:30:10 +0400 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2009-10-05 11:30:10 +0400 |
| commit | 5d13379a4dba717fb75b749acc0f928c2c02db17 (patch) | |
| tree | ab5bf870206e6ea8e744390cdb37cb14f7e78257 /arch/arm/mm/pabort-v7.S | |
| parent | 08dc8726d4be85bca793141c827574fd32a681bb (diff) | |
| parent | 374576a8b6f865022c0fd1ca62396889b23d66dd (diff) | |
| download | linux-5d13379a4dba717fb75b749acc0f928c2c02db17.tar.xz | |
Merge branch 'master' into for-2.6.33
Diffstat (limited to 'arch/arm/mm/pabort-v7.S')
| -rw-r--r-- | arch/arm/mm/pabort-v7.S | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm/mm/pabort-v7.S b/arch/arm/mm/pabort-v7.S new file mode 100644 index 000000000000..a8b3b300a18d --- /dev/null +++ b/arch/arm/mm/pabort-v7.S @@ -0,0 +1,20 @@ +#include <linux/linkage.h> +#include <asm/assembler.h> + +/* + * Function: v6_pabort + * + * Params : r0 = address of aborted instruction + * + * Returns : r0 = address of abort + * : r1 = IFSR + * + * 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 + mov pc, lr +ENDPROC(v7_pabort) |