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authorRussell King <rmk+kernel@arm.linux.org.uk>2011-06-26 16:01:26 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-07-02 10:56:11 +0100
commitda7404725781bc7c736e10cae5521e5604e222a5 (patch)
treee816cd79e1b09ddcbd41b7cd5b3c6c9c9bd5eb98 /arch/arm/mm/abort-nommu.S
parent0d147db0c127c561f8f9ead9f3c1ec38f89f1040 (diff)
ARM: entry: data abort: tail-call the main data abort handler
Tail-call the main C data abort handler code from the per-CPU helper code. Update the comments in the code wrt the new calling and return register state. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mm/abort-nommu.S')
-rw-r--r--arch/arm/mm/abort-nommu.S8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/arm/mm/abort-nommu.S b/arch/arm/mm/abort-nommu.S
index 9eaef6f846c3..119cb479c2ab 100644
--- a/arch/arm/mm/abort-nommu.S
+++ b/arch/arm/mm/abort-nommu.S
@@ -3,11 +3,11 @@
/*
* Function: nommu_early_abort
*
- * Params : r4 = aborted context pc
+ * Params : r2 = pt_regs
+ * : r4 = aborted context pc
* : r5 = aborted context psr
*
- * Returns : r0 = 0 (abort address)
- * : r1 = 0 (FSR)
+ * Returns : r4 - r11, r13 preserved
*
* Note: There is no FSR/FAR on !CPU_CP15_MMU cores.
* Just fill zero into the registers.
@@ -16,5 +16,5 @@
ENTRY(nommu_early_abort)
mov r0, #0 @ clear r0, r1 (no FSR/FAR)
mov r1, #0
- mov pc, lr
+ b do_DataAbort
ENDPROC(nommu_early_abort)