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-rw-r--r--arch/arm/mm/abort-ev7.S25
1 files changed, 11 insertions, 14 deletions
diff --git a/arch/arm/mm/abort-ev7.S b/arch/arm/mm/abort-ev7.S
index ec88b157d3bb..703375277ba6 100644
--- a/arch/arm/mm/abort-ev7.S
+++ b/arch/arm/mm/abort-ev7.S
@@ -3,14 +3,11 @@
/*
* Function: v7_early_abort
*
- * Params : r2 = address of aborted instruction
- * : r3 = saved SPSR
+ * Params : r2 = pt_regs
+ * : r4 = aborted context pc
+ * : r5 = aborted context psr
*
- * Returns : r0 = address of abort
- * : r1 = FSR, bit 11 = write
- * : r2-r8 = corrupted
- * : r9 = preserved
- * : sp = pointer to registers
+ * Returns : r4 - r11, r13 preserved
*
* Purpose : obtain information about current aborted instruction.
*/
@@ -37,18 +34,18 @@ ENTRY(v7_early_abort)
ldr r3, =0x40d @ On permission fault
and r3, r1, r3
cmp r3, #0x0d
- movne pc, lr
+ bne do_DataAbort
mcr p15, 0, r0, c7, c8, 0 @ Retranslate FAR
isb
- mrc p15, 0, r2, c7, c4, 0 @ Read the PAR
- and r3, r2, #0x7b @ On translation fault
+ mrc p15, 0, ip, c7, c4, 0 @ Read the PAR
+ and r3, ip, #0x7b @ On translation fault
cmp r3, #0x0b
- movne pc, lr
+ bne do_DataAbort
bic r1, r1, #0xf @ Fix up FSR FS[5:0]
- and r2, r2, #0x7e
- orr r1, r1, r2, LSR #1
+ and ip, ip, #0x7e
+ orr r1, r1, ip, LSR #1
#endif
- mov pc, lr
+ b do_DataAbort
ENDPROC(v7_early_abort)