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| author |   Paul Mundt <lethal@linux-sh.org> | 2007-11-05 16:20:42 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2007-11-07 11:14:12 +0900 |
| commit | af39c16bd843ee8bde495c8ccb95a5ca209f3051 (patch) | |
| tree | b318c83125f4fe9c0121a79418e858e165a58402 /arch/sh | |
| parent | sh: Optimized copy_{to,from}_user_page() for SH-4. (diff) | |
| download | linux-dev-af39c16bd843ee8bde495c8ccb95a5ca209f3051.tar.xz linux-dev-af39c16bd843ee8bde495c8ccb95a5ca209f3051.zip | |
sh: Kill off __{copy,clear}_user_page().
Now that copy_to_user_page()/copy_from_user_page() are wired up, we
can drop the old __copy_xxx() implementations. Now that the page
colouring scheme has changed via kmap_coherent(), we can avoid the
flush in these specific helpers.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh')
| -rw-r--r-- | arch/sh/mm/clear_page.S | 45 | ||||
| -rw-r--r-- | arch/sh/mm/copy_page.S | 61 |
2 files changed, 0 insertions, 106 deletions
diff --git a/arch/sh/mm/clear_page.S b/arch/sh/mm/clear_page.S index 8a706131e521..7a7c81ee3f01 100644 --- a/arch/sh/mm/clear_page.S +++ b/arch/sh/mm/clear_page.S @@ -150,48 +150,3 @@ ENTRY(__clear_user) .long 8b, .Lbad_clear_user .long 9b, .Lbad_clear_user .previous - -#if defined(CONFIG_CPU_SH4) -/* - * __clear_user_page - * @to: P3 address (with same color) - * @orig_to: P1 address - * - * void __clear_user_page(void *to, void *orig_to) - */ - -/* - * r0 --- scratch - * r4 --- to - * r5 --- orig_to - * r6 --- to + PAGE_SIZE - */ -ENTRY(__clear_user_page) - mov.l .Lpsz,r0 - mov r4,r6 - add r0,r6 - mov #0,r0 - ! -1: ocbi @r5 - add #32,r5 - movca.l r0,@r4 - mov r4,r1 - add #32,r4 - mov.l r0,@-r4 - mov.l r0,@-r4 - mov.l r0,@-r4 - mov.l r0,@-r4 - mov.l r0,@-r4 - mov.l r0,@-r4 - mov.l r0,@-r4 - add #28,r4 - cmp/eq r6,r4 - bf/s 1b - ocbwb @r1 - ! - rts - nop -.Lpsz: .long PAGE_SIZE - -#endif - diff --git a/arch/sh/mm/copy_page.S b/arch/sh/mm/copy_page.S index 3d8409daa4be..40685018b952 100644 --- a/arch/sh/mm/copy_page.S +++ b/arch/sh/mm/copy_page.S @@ -68,67 +68,6 @@ ENTRY(copy_page_slow) rts nop -#if defined(CONFIG_CPU_SH4) -/* - * __copy_user_page - * @to: P1 address (with same color) - * @from: P1 address - * @orig_to: P1 address - * - * void __copy_user_page(void *to, void *from, void *orig_to) - */ - -/* - * r0, r1, r2, r3, r4, r5, r6, r7 --- scratch - * r8 --- from + PAGE_SIZE - * r9 --- orig_to - * r10 --- to - * r11 --- from - */ -ENTRY(__copy_user_page) - mov.l r8,@-r15 - mov.l r9,@-r15 - mov.l r10,@-r15 - mov.l r11,@-r15 - mov r4,r10 - mov r5,r11 - mov r6,r9 - mov r5,r8 - mov.l .Lpsz,r0 - add r0,r8 - ! -1: ocbi @r9 - add #32,r9 - mov.l @r11+,r0 - mov.l @r11+,r1 - mov.l @r11+,r2 - mov.l @r11+,r3 - mov.l @r11+,r4 - mov.l @r11+,r5 - mov.l @r11+,r6 - mov.l @r11+,r7 - movca.l r0,@r10 - mov r10,r0 - add #32,r10 - mov.l r7,@-r10 - mov.l r6,@-r10 - mov.l r5,@-r10 - mov.l r4,@-r10 - mov.l r3,@-r10 - mov.l r2,@-r10 - mov.l r1,@-r10 - ocbwb @r0 - cmp/eq r11,r8 - bf/s 1b - add #28,r10 - ! - mov.l @r15+,r11 - mov.l @r15+,r10 - mov.l @r15+,r9 - mov.l @r15+,r8 - rts - nop -#endif .align 2 .Lpsz: .long PAGE_SIZE /* |