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authorJens Axboe <jens.axboe@oracle.com>2009-10-05 09:30:10 +0200
committerJens Axboe <jens.axboe@oracle.com>2009-10-05 09:30:10 +0200
commit5d13379a4dba717fb75b749acc0f928c2c02db17 (patch)
treeab5bf870206e6ea8e744390cdb37cb14f7e78257 /arch/arm/mm/pabort-v7.S
parent08dc8726d4be85bca793141c827574fd32a681bb (diff)
parent374576a8b6f865022c0fd1ca62396889b23d66dd (diff)
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.S20
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)