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author | James Morris <jmorris@macbook.(none)> | 2009-12-03 12:03:40 +0530 |
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committer | James Morris <jmorris@macbook.(none)> | 2009-12-03 12:03:40 +0530 |
commit | c84d6efd363a3948eb32ec40d46bab6338580454 (patch) | |
tree | 3ba7ac46e6626fe8ac843834588609eb6ccee5c6 /arch/arm/mm/pabort-v7.S | |
parent | 7539cf4b92be4aecc573ea962135f246a7a33401 (diff) | |
parent | 22763c5cf3690a681551162c15d34d935308c8d7 (diff) | |
download | lwn-c84d6efd363a3948eb32ec40d46bab6338580454.tar.gz lwn-c84d6efd363a3948eb32ec40d46bab6338580454.zip |
Merge branch 'master' into next
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) |