From 3e287bec6fde088bff05ee7f998f53e8ac75b922 Mon Sep 17 00:00:00 2001 From: Russell King Date: Sun, 26 Jun 2011 14:35:07 +0100 Subject: 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 --- arch/arm/mm/abort-ev5tj.S | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) (limited to 'arch/arm/mm/abort-ev5tj.S') diff --git a/arch/arm/mm/abort-ev5tj.S b/arch/arm/mm/abort-ev5tj.S index bcb58d2fc11a..9a365cf1936f 100644 --- a/arch/arm/mm/abort-ev5tj.S +++ b/arch/arm/mm/abort-ev5tj.S @@ -4,8 +4,8 @@ /* * Function: v5tj_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 @@ -23,13 +23,11 @@ ENTRY(v5tj_early_abort) mrc p15, 0, r1, c5, c0, 0 @ get FSR mrc p15, 0, r0, c6, c0, 0 @ get FAR bic r1, r1, #1 << 11 | 1 << 10 @ clear bits 11 and 10 of FSR - tst r3, #PSR_J_BIT @ Java? + tst r5, #PSR_J_BIT @ Java? movne pc, lr - do_thumb_abort fsr=r1, pc=r2, psr=r3, tmp=r3 - 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 do_ldrd_abort tmp=r2, insn=r3 tst r3, #1 << 20 @ L = 0 -> write orreq r1, r1, #1 << 11 @ yes. mov pc, lr - - -- cgit v1.2.3-55-g7522