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authorOlaf Hering <olh@suse.de>2006-03-04 07:15:40 -0500
committerPaul Mackerras <paulus@samba.org>2006-03-16 00:54:57 -0500
commiteacb1962d4594b9d382b40acd73a9c9492718f74 (patch)
treeaae81be89d85c2bcf6abfca3d86b6ba0379fb39c
parent0a45d4491d0f172e02126370f312405c5d473363 (diff)
[PATCH] powerpc: correct cacheflush loop in zImage
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> Signed-off-by: Paul Mackerras <paulus@samba.org>
-rw-r--r--arch/powerpc/boot/crt0.S5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/powerpc/boot/crt0.S b/arch/powerpc/boot/crt0.S
index e0192c26037b..70e65b13e033 100644
--- a/arch/powerpc/boot/crt0.S
+++ b/arch/powerpc/boot/crt0.S
@@ -45,7 +45,8 @@ _zimage_start:
45 bdnz 2b 45 bdnz 2b
46 46
47 /* Do a cache flush for our text, in case OF didn't */ 47 /* Do a cache flush for our text, in case OF didn't */
483: lis r9,_start@h 483: lis r9,_start@ha
49 addi r9,r9,_start@l
49 add r9,r0,r9 50 add r9,r0,r9
50 lis r8,_etext@ha 51 lis r8,_etext@ha
51 addi r8,r8,_etext@l 52 addi r8,r8,_etext@l
@@ -53,7 +54,7 @@ _zimage_start:
534: dcbf r0,r9 544: dcbf r0,r9
54 icbi r0,r9 55 icbi r0,r9
55 addi r9,r9,0x20 56 addi r9,r9,0x20
56 cmplwi 0,r9,8 57 cmplw cr0,r9,r8
57 blt 4b 58 blt 4b
58 sync 59 sync
59 isync 60 isync