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Must have a nop after an add to the pc. 

This corrects a bug affecting kcopy() to unaligned dst addresses.
This commit is contained in:
ross 2005-12-06 08:05:31 +00:00
parent 99ca66e01f
commit b026f0ed35
1 changed files with 3 additions and 2 deletions
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5
sys/arch/arm/arm/bcopyinout_xscale.S
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@ -1,4 +1,4 @@
/* $NetBSD: bcopyinout_xscale.S,v 1.3 2003/12/15 09:27:18 scw Exp $ */
/* $NetBSD: bcopyinout_xscale.S,v 1.4 2005/12/06 08:05:31 ross Exp $ */
/*
* Copyright 2003 Wasabi Systems, Inc.
@ -35,7 +35,7 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
RCSID("$NetBSD: bcopyinout_xscale.S,v 1.3 2003/12/15 09:27:18 scw Exp $")
RCSID("$NetBSD: bcopyinout_xscale.S,v 1.4 2005/12/06 08:05:31 ross Exp $")
.text
.align 0
@ -982,6 +982,7 @@ ENTRY(kcopy)
sub r2, r2, ip
rsbs ip, ip, #0x03
addne pc, pc, ip, lsl #3
nop
ldrb ip, [r0], #0x01
strb ip, [r1], #0x01
ldrb ip, [r0], #0x01