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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2011-08-03 09:42:39 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2011-08-03 09:42:39 +0200 |
| commit | c61daf6b0a2f7048c6e74d52b043fa6a779b128a (patch) | |
| tree | a4a38656ac79775f38ce5fd6b00dd9b89cd5ccec /arch/arm/mm/abort-ev4t.S | |
| parent | 786c89f7a24b4ed8b68dfb136347267875315c30 (diff) | |
| parent | 160a84cfc975f4aaec1cb32a48bba23ccaf43761 (diff) | |
| download | blackbird-op-linux-c61daf6b0a2f7048c6e74d52b043fa6a779b128a.tar.gz blackbird-op-linux-c61daf6b0a2f7048c6e74d52b043fa6a779b128a.zip | |
Merge branch 'imx-cleanup' of git://git.pengutronix.de/git/ukl/linux-2.6 into imx-cleanup
Diffstat (limited to 'arch/arm/mm/abort-ev4t.S')
| -rw-r--r-- | arch/arm/mm/abort-ev4t.S | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/arch/arm/mm/abort-ev4t.S b/arch/arm/mm/abort-ev4t.S index b6282548f922..9da704e7b86e 100644 --- a/arch/arm/mm/abort-ev4t.S +++ b/arch/arm/mm/abort-ev4t.S @@ -4,14 +4,11 @@ /* * Function: v4t_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. * Note: we read user space. This means we might cause a data @@ -22,9 +19,9 @@ ENTRY(v4t_early_abort) mrc p15, 0, r1, c5, c0, 0 @ get FSR mrc p15, 0, r0, c6, c0, 0 @ get FAR - do_thumb_abort - ldreq r3, [r2] @ read aborted ARM instruction + do_thumb_abort fsr=r1, pc=r4, psr=r5, tmp=r3 + ldreq r3, [r4] @ read aborted ARM instruction bic r1, r1, #1 << 11 | 1 << 10 @ clear bits 11 and 10 of FSR tst r3, #1 << 20 @ check write orreq r1, r1, #1 << 11 - mov pc, lr + b do_DataAbort |
