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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-06-26 14:35:07 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-07-02 10:56:11 +0100 |
| commit | 3e287bec6fde088bff05ee7f998f53e8ac75b922 (patch) | |
| tree | 4ad814de273327ae1e6ddc354ab0ab6bb9653246 /arch/arm/mm/abort-ev4.S | |
| parent | 8dfe7ac96fedd4f5219879f63a8a546a33609daf (diff) | |
| download | talos-obmc-linux-3e287bec6fde088bff05ee7f998f53e8ac75b922.tar.gz talos-obmc-linux-3e287bec6fde088bff05ee7f998f53e8ac75b922.zip | |
ARM: entry: data abort: arrange for CPU abort helpers to take pc/psr in r4/r5
Re-jig the CPU abort helpers to take the PC/PSR in r4/r5 rather
than r2/r3.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mm/abort-ev4.S')
| -rw-r--r-- | arch/arm/mm/abort-ev4.S | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/arch/arm/mm/abort-ev4.S b/arch/arm/mm/abort-ev4.S index 4f18f9e87bae..beb112bdc049 100644 --- a/arch/arm/mm/abort-ev4.S +++ b/arch/arm/mm/abort-ev4.S @@ -3,8 +3,8 @@ /* * Function: v4_early_abort * - * Params : r2 = address of aborted instruction - * : r3 = saved SPSR + * Params : r4 = aborted context pc + * : r5 = aborted context psr * * Returns : r0 = address of abort * : r1 = FSR, bit 11 = write @@ -21,10 +21,8 @@ ENTRY(v4_early_abort) mrc p15, 0, r1, c5, c0, 0 @ get FSR mrc p15, 0, r0, c6, c0, 0 @ get FAR - ldr r3, [r2] @ read aborted ARM instruction + ldr r3, [r4] @ read aborted ARM instruction bic r1, r1, #1 << 11 | 1 << 10 @ clear bits 11 and 10 of FSR tst r3, #1 << 20 @ L = 1 -> write? orreq r1, r1, #1 << 11 @ yes. mov pc, lr - - |
