From: Olaf Hering <olh@suse.de>
To: Paul Mackeras <paulus@samba.org>, linuxppc-dev@ozlabs.org
Subject: [PATCH] correct cacheflush loop in zImage
Date: Sat, 4 Mar 2006 13:15:40 +0100 [thread overview]
Message-ID: <20060304121540.GA30106@suse.de> (raw)
Correct the loop for cacheflush. No idea where I copied the code from,
but the original does not work correct. Maybe the flush is not needed.
Signed-off-by: Olaf Hering <olh@suse.de>
arch/powerpc/boot/crt0.S | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
Index: linux-2.6.16-rc5-olh/arch/powerpc/boot/crt0.S
===================================================================
--- linux-2.6.16-rc5-olh.orig/arch/powerpc/boot/crt0.S
+++ linux-2.6.16-rc5-olh/arch/powerpc/boot/crt0.S
@@ -45,7 +45,8 @@ _zimage_start:
bdnz 2b
/* Do a cache flush for our text, in case OF didn't */
-3: lis r9,_start@h
+3: lis r9,_start@ha
+ addi r9,r9,_start@l
add r9,r0,r9
lis r8,_etext@ha
addi r8,r8,_etext@l
@@ -53,7 +54,7 @@ _zimage_start:
4: dcbf r0,r9
icbi r0,r9
addi r9,r9,0x20
- cmplwi 0,r9,8
+ cmplw cr0,r9,r8
blt 4b
sync
isync
next reply other threads:[~2006-03-04 12:15 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-04 12:15 Olaf Hering [this message]
2006-03-04 12:58 ` [PATCH] correct cacheflush loop in zImage Olaf Hering
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