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Make sure r8 isn't used.

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This commit is contained in:
matt 2012-07-29 21:36:27 +00:00
parent db53477265
commit c1770d9ab2
1 changed files with 11 additions and 11 deletions
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22
sys/arch/evbppc/mpc85xx/mpc85xx_start.S
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@ -1,4 +1,4 @@
/* $NetBSD: mpc85xx_start.S,v 1.5 2011/06/18 06:37:38 matt Exp $ */
/* $NetBSD: mpc85xx_start.S,v 1.6 2012/07/29 21:36:27 matt Exp $ */
/*-
* Copyright (c) 2010, 2011 The NetBSD Foundation, Inc.
* All rights reserved.
@ -37,7 +37,7 @@
#include <sys/cdefs.h>
#include <powerpc/asm.h>
RCSID("$NetBSD: mpc85xx_start.S,v 1.5 2011/06/18 06:37:38 matt Exp $")
RCSID("$NetBSD: mpc85xx_start.S,v 1.6 2012/07/29 21:36:27 matt Exp $")
#include "opt_altivec.h"
#include "opt_ddb.h"
@ -78,10 +78,10 @@ __start:
/*
* Startup entry. Note, this must be the first thing in the text segment!
*/
mr %r8,%r6
mr %r7,%r5
mr %r6,%r4
mr %r5,%r3
mr %r8,%r6 /* cmdline (char *) */
mr %r7,%r5 /* consdev (char *) */
mr %r6,%r4 /* os_hdr * */
mr %r5,%r3 /* board info * */
#ifdef DEBUG
/*
* Set all the registers we don't care about to a known junk value.
@ -231,11 +231,11 @@ __start:
/*
* Force all dirty lines in the kernel area to memory.
*/
lis %r8,kernel_text@ha
addi %r8,%r8,kernel_text@l
4: dcbst %r0,%r8
addi %r8,%r8,32
cmplw %r8,%r4
lis %r9,kernel_text@ha
addi %r9,%r9,kernel_text@l
4: dcbst %r0,%r9
addi %r9,%r9,32
cmplw %r9,%r4
blt %cr0,4b
mbar 1
msync