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authorPaul Mackerras <paulus@samba.org>2006-02-08 09:43:08 +1100
committerPaul Mackerras <paulus@samba.org>2006-02-08 09:43:08 +1100
commit8f75015f33c3005e0bbf83ffc0d5e0b4262cc03d (patch)
treea3c34ad86ccdc904bb43af6cd1cb163231c29276 /arch/arm/mm/cache-v6.S
parent076d022c566fddde41fd4a858dd24bacad8304d7 (diff)
parente060e084e7d9e1c62d02cb6b8d3fe07db5317eaa (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
Diffstat (limited to 'arch/arm/mm/cache-v6.S')
-rw-r--r--arch/arm/mm/cache-v6.S18
1 files changed, 6 insertions, 12 deletions
diff --git a/arch/arm/mm/cache-v6.S b/arch/arm/mm/cache-v6.S
index 72966d90e95..d921c1024ae 100644
--- a/arch/arm/mm/cache-v6.S
+++ b/arch/arm/mm/cache-v6.S
@@ -92,22 +92,16 @@ ENTRY(v6_coherent_kern_range)
* - the Icache does not read data from the write buffer
*/
ENTRY(v6_coherent_user_range)
- bic r0, r0, #CACHE_LINE_SIZE - 1
-1:
+
#ifdef HARVARD_CACHE
- mcr p15, 0, r0, c7, c10, 1 @ clean D line
+ bic r0, r0, #CACHE_LINE_SIZE - 1
+1: mcr p15, 0, r0, c7, c10, 1 @ clean D line
mcr p15, 0, r0, c7, c5, 1 @ invalidate I line
-#endif
- mcr p15, 0, r0, c7, c5, 7 @ invalidate BTB entry
- add r0, r0, #BTB_FLUSH_SIZE
- mcr p15, 0, r0, c7, c5, 7 @ invalidate BTB entry
- add r0, r0, #BTB_FLUSH_SIZE
- mcr p15, 0, r0, c7, c5, 7 @ invalidate BTB entry
- add r0, r0, #BTB_FLUSH_SIZE
- mcr p15, 0, r0, c7, c5, 7 @ invalidate BTB entry
- add r0, r0, #BTB_FLUSH_SIZE
+ add r0, r0, #CACHE_LINE_SIZE
cmp r0, r1
blo 1b
+#endif
+ mcr p15, 0, r0, c7, c5, 6 @ invalidate BTB
#ifdef HARVARD_CACHE
mov r0, #0
mcr p15, 0, r0, c7, c10, 4 @ drain write buffer