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author | root <root@artemis.panaceas.org> | 2015-12-25 04:40:36 +0000 |
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committer | root <root@artemis.panaceas.org> | 2015-12-25 04:40:36 +0000 |
commit | 849369d6c66d3054688672f97d31fceb8e8230fb (patch) | |
tree | 6135abc790ca67dedbe07c39806591e70eda81ce /arch/arm/mm/pabort-v7.S | |
download | linux-3.0.35-kobo-849369d6c66d3054688672f97d31fceb8e8230fb.tar.gz linux-3.0.35-kobo-849369d6c66d3054688672f97d31fceb8e8230fb.tar.bz2 linux-3.0.35-kobo-849369d6c66d3054688672f97d31fceb8e8230fb.zip |
initial_commit
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 00000000..a8b3b300 --- /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) |