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ARM: entry: data abort: tail-call the main data abort handler

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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>
This commit is contained in:
Russell King
2011-06-26 16:01:26 +01:00
parent 0d147db0c1
commit da74047257
11 changed files with 73 additions and 99 deletions
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8
arch/arm/mm/abort-nommu.S
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@@ -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)