diff options
Diffstat (limited to 'arch/arm/lib/copy_page.S')
-rw-r--r-- | arch/arm/lib/copy_page.S | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/arch/arm/lib/copy_page.S b/arch/arm/lib/copy_page.S index 6ae04db1ca4f..6ee2f6706f86 100644 --- a/arch/arm/lib/copy_page.S +++ b/arch/arm/lib/copy_page.S | |||
@@ -12,8 +12,9 @@ | |||
12 | #include <linux/linkage.h> | 12 | #include <linux/linkage.h> |
13 | #include <asm/assembler.h> | 13 | #include <asm/assembler.h> |
14 | #include <asm/asm-offsets.h> | 14 | #include <asm/asm-offsets.h> |
15 | #include <asm/cache.h> | ||
15 | 16 | ||
16 | #define COPY_COUNT (PAGE_SZ/64 PLD( -1 )) | 17 | #define COPY_COUNT (PAGE_SZ / (2 * L1_CACHE_BYTES) PLD( -1 )) |
17 | 18 | ||
18 | .text | 19 | .text |
19 | .align 5 | 20 | .align 5 |
@@ -26,17 +27,16 @@ | |||
26 | ENTRY(copy_page) | 27 | ENTRY(copy_page) |
27 | stmfd sp!, {r4, lr} @ 2 | 28 | stmfd sp!, {r4, lr} @ 2 |
28 | PLD( pld [r1, #0] ) | 29 | PLD( pld [r1, #0] ) |
29 | PLD( pld [r1, #32] ) | 30 | PLD( pld [r1, #L1_CACHE_BYTES] ) |
30 | mov r2, #COPY_COUNT @ 1 | 31 | mov r2, #COPY_COUNT @ 1 |
31 | ldmia r1!, {r3, r4, ip, lr} @ 4+1 | 32 | ldmia r1!, {r3, r4, ip, lr} @ 4+1 |
32 | 1: PLD( pld [r1, #64] ) | 33 | 1: PLD( pld [r1, #2 * L1_CACHE_BYTES]) |
33 | PLD( pld [r1, #96] ) | 34 | PLD( pld [r1, #3 * L1_CACHE_BYTES]) |
34 | 2: stmia r0!, {r3, r4, ip, lr} @ 4 | 35 | 2: |
35 | ldmia r1!, {r3, r4, ip, lr} @ 4+1 | 36 | .rept (2 * L1_CACHE_BYTES / 16 - 1) |
36 | stmia r0!, {r3, r4, ip, lr} @ 4 | ||
37 | ldmia r1!, {r3, r4, ip, lr} @ 4+1 | ||
38 | stmia r0!, {r3, r4, ip, lr} @ 4 | 37 | stmia r0!, {r3, r4, ip, lr} @ 4 |
39 | ldmia r1!, {r3, r4, ip, lr} @ 4 | 38 | ldmia r1!, {r3, r4, ip, lr} @ 4 |
39 | .endr | ||
40 | subs r2, r2, #1 @ 1 | 40 | subs r2, r2, #1 @ 1 |
41 | stmia r0!, {r3, r4, ip, lr} @ 4 | 41 | stmia r0!, {r3, r4, ip, lr} @ 4 |
42 | ldmgtia r1!, {r3, r4, ip, lr} @ 4 | 42 | ldmgtia r1!, {r3, r4, ip, lr} @ 4 |