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-rw-r--r--arch/arm/mm/pabort-legacy.S9
-rw-r--r--arch/arm/mm/pabort-v6.S9
-rw-r--r--arch/arm/mm/pabort-v7.S11
3 files changed, 16 insertions, 13 deletions
diff --git a/arch/arm/mm/pabort-legacy.S b/arch/arm/mm/pabort-legacy.S
index 8a5d8aaf2d5e..8bbff025269a 100644
--- a/arch/arm/mm/pabort-legacy.S
+++ b/arch/arm/mm/pabort-legacy.S
@@ -4,10 +4,11 @@
/*
* Function: legacy_pabort
*
- * Params : r4 = address of aborted instruction
+ * Params : r2 = pt_regs
+ * : r4 = address of aborted instruction
+ * : r5 = psr for parent context
*
- * Returns : r0 = address of abort
- * : r1 = Simulated IFSR with section translation fault status
+ * Returns : r4 - r11, r13 preserved
*
* Purpose : obtain information about current prefetch abort.
*/
@@ -16,5 +17,5 @@
ENTRY(legacy_pabort)
mov r0, r4
mov r1, #5
- mov pc, lr
+ b do_PrefetchAbort
ENDPROC(legacy_pabort)
diff --git a/arch/arm/mm/pabort-v6.S b/arch/arm/mm/pabort-v6.S
index eaac1cb7c4cc..9627646ce783 100644
--- a/arch/arm/mm/pabort-v6.S
+++ b/arch/arm/mm/pabort-v6.S
@@ -4,10 +4,11 @@
/*
* Function: v6_pabort
*
- * Params : r4 = address of aborted instruction
+ * Params : r2 = pt_regs
+ * : r4 = address of aborted instruction
+ * : r5 = psr for parent context
*
- * Returns : r0 = address of abort
- * : r1 = IFSR
+ * Returns : r4 - r11, r13 preserved
*
* Purpose : obtain information about current prefetch abort.
*/
@@ -16,5 +17,5 @@
ENTRY(v6_pabort)
mov r0, r4
mrc p15, 0, r1, c5, c0, 1 @ get IFSR
- mov pc, lr
+ b do_PrefetchAbort
ENDPROC(v6_pabort)
diff --git a/arch/arm/mm/pabort-v7.S b/arch/arm/mm/pabort-v7.S
index b515e0b059b3..875761f44f3b 100644
--- a/arch/arm/mm/pabort-v7.S
+++ b/arch/arm/mm/pabort-v7.S
@@ -2,12 +2,13 @@
#include <asm/assembler.h>
/*
- * Function: v6_pabort
+ * Function: v7_pabort
*
- * Params : r4 = address of aborted instruction
+ * Params : r2 = pt_regs
+ * : r4 = address of aborted instruction
+ * : r5 = psr for parent context
*
- * Returns : r0 = address of abort
- * : r1 = IFSR
+ * Returns : r4 - r11, r13 preserved
*
* Purpose : obtain information about current prefetch abort.
*/
@@ -16,5 +17,5 @@
ENTRY(v7_pabort)
mrc p15, 0, r0, c6, c0, 2 @ get IFAR
mrc p15, 0, r1, c5, c0, 1 @ get IFSR
- mov pc, lr
+ b do_PrefetchAbort
ENDPROC(v7_pabort)