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authorRussell King <rmk+kernel@arm.linux.org.uk>2009-09-22 20:54:53 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-09-22 21:01:40 +0100
commitae19ffbadc1b2100285a5b5b3d0a4e0a11390904 (patch)
tree3c2086ab67398a019089a47ca3f362a4bc6db74f /arch/arm/lib/copy_page.S
parent34e84f39a27d059a3e6ec6e8b94aafa702e6f220 (diff)
parent9173a8ef24a6b1b8031507b35b8ffe5f85a87692 (diff)
Merge branch 'master' into for-linus
Diffstat (limited to 'arch/arm/lib/copy_page.S')
-rw-r--r--arch/arm/lib/copy_page.S16
1 files changed, 8 insertions, 8 deletions
diff --git a/arch/arm/lib/copy_page.S b/arch/arm/lib/copy_page.S
index 6ae04db1ca4..6ee2f6706f8 100644
--- a/arch/arm/lib/copy_page.S
+++ b/arch/arm/lib/copy_page.S
@@ -12,8 +12,9 @@
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/asm-offsets.h>
+#include <asm/cache.h>
-#define COPY_COUNT (PAGE_SZ/64 PLD( -1 ))
+#define COPY_COUNT (PAGE_SZ / (2 * L1_CACHE_BYTES) PLD( -1 ))
.text
.align 5
@@ -26,17 +27,16 @@
ENTRY(copy_page)
stmfd sp!, {r4, lr} @ 2
PLD( pld [r1, #0] )
- PLD( pld [r1, #32] )
+ PLD( pld [r1, #L1_CACHE_BYTES] )
mov r2, #COPY_COUNT @ 1
ldmia r1!, {r3, r4, ip, lr} @ 4+1
-1: PLD( pld [r1, #64] )
- PLD( pld [r1, #96] )
-2: stmia r0!, {r3, r4, ip, lr} @ 4
- ldmia r1!, {r3, r4, ip, lr} @ 4+1
- stmia r0!, {r3, r4, ip, lr} @ 4
- ldmia r1!, {r3, r4, ip, lr} @ 4+1
+1: PLD( pld [r1, #2 * L1_CACHE_BYTES])
+ PLD( pld [r1, #3 * L1_CACHE_BYTES])
+2:
+ .rept (2 * L1_CACHE_BYTES / 16 - 1)
stmia r0!, {r3, r4, ip, lr} @ 4
ldmia r1!, {r3, r4, ip, lr} @ 4
+ .endr
subs r2, r2, #1 @ 1
stmia r0!, {r3, r4, ip, lr} @ 4
ldmgtia r1!, {r3, r4, ip, lr} @ 4