From 8dfe7ac96fedd4f5219879f63a8a546a33609daf Mon Sep 17 00:00:00 2001 From: Russell King Date: Sun, 26 Jun 2011 12:37:35 +0100 Subject: ARM: entry: prefetch abort: tail-call the main prefetch abort handler Tail-call the main C prefetch abort handler code from the per-CPU helper code. Also note that the helper function becomes ABI compliant in terms of the registers preserved. Signed-off-by: Russell King --- arch/arm/mm/pabort-v7.S | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) (limited to 'arch/arm/mm/pabort-v7.S') diff --git a/arch/arm/mm/pabort-v7.S b/arch/arm/mm/pabort-v7.S index b515e0b..875761f 100644 --- a/arch/arm/mm/pabort-v7.S +++ b/arch/arm/mm/pabort-v7.S @@ -2,12 +2,13 @@ #include /* - * Function: v6_pabort + * Function: v7_pabort * - * Params : r4 = address of aborted instruction + * Params : r2 = pt_regs + * : r4 = address of aborted instruction + * : r5 = psr for parent context * - * Returns : r0 = address of abort - * : r1 = IFSR + * Returns : r4 - r11, r13 preserved * * Purpose : obtain information about current prefetch abort. */ @@ -16,5 +17,5 @@ ENTRY(v7_pabort) mrc p15, 0, r0, c6, c0, 2 @ get IFAR mrc p15, 0, r1, c5, c0, 1 @ get IFSR - mov pc, lr + b do_PrefetchAbort ENDPROC(v7_pabort) -- cgit v1.1