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authorLinus Torvalds <torvalds@woody.osdl.org>2006-12-06 11:10:55 -0500
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-06 11:10:55 -0500
commitdd6a7c19e4630f635467246a81b8e0cc818c05e6 (patch)
tree8fc93cdef4070183cbd3fa06019c84728380b389 /arch/sh/mm/copy_page.S
parentdd8856bda5f1308beb113281b248683992998a9e (diff)
parentea0f8feaa041f3ccec3d6b8ee51325b177daef06 (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6: (43 commits) sh: sh775x/titan fixes for irq header changes. sh: update r7780rp defconfig. sh: compile fixes for header cleanup. sh: Fixup pte_mkhuge() build failure. sh: set KBUILD_IMAGE to something sensible. sh: show held locks in stack trace with lockdep. sh: platform_pata support for R7780RP sh: stacktrace/lockdep/irqflags tracing support. sh: Fixup movli.l/movco.l atomic ops for gcc4. sh: dyntick infrastructure. sh: Clock framework tidying. sh: Turn off IRQs around get_timer_offset() calls. sh: Get the PGD right in oops case with 64-bit PTEs. sh: Fix store queue bitmap end. sh: More flexible + SH7780 earlyprintk SCIF support. sh: Fixup various PAGE_SIZE == 4096 assumptions. sh: Fixup 4K irq stacks. sh: dma-api channel capability extensions. sh: Drop name overload in dma-sh. sh: Make dma-isa depend on ISA_DMA_API. ...
Diffstat (limited to 'arch/sh/mm/copy_page.S')
-rw-r--r--arch/sh/mm/copy_page.S16
1 files changed, 8 insertions, 8 deletions
diff --git a/arch/sh/mm/copy_page.S b/arch/sh/mm/copy_page.S
index 1addffe117c3..397c94c97315 100644
--- a/arch/sh/mm/copy_page.S
+++ b/arch/sh/mm/copy_page.S
@@ -1,12 +1,12 @@
1/* $Id: copy_page.S,v 1.8 2003/08/25 17:03:10 lethal Exp $ 1/*
2 *
3 * copy_page, __copy_user_page, __copy_user implementation of SuperH 2 * copy_page, __copy_user_page, __copy_user implementation of SuperH
4 * 3 *
5 * Copyright (C) 2001 Niibe Yutaka & Kaz Kojima 4 * Copyright (C) 2001 Niibe Yutaka & Kaz Kojima
6 * Copyright (C) 2002 Toshinobu Sugioka 5 * Copyright (C) 2002 Toshinobu Sugioka
7 * 6 * Copyright (C) 2006 Paul Mundt
8 */ 7 */
9#include <linux/linkage.h> 8#include <linux/linkage.h>
9#include <asm/page.h>
10 10
11/* 11/*
12 * copy_page_slow 12 * copy_page_slow
@@ -18,7 +18,7 @@
18 18
19/* 19/*
20 * r0, r1, r2, r3, r4, r5, r6, r7 --- scratch 20 * r0, r1, r2, r3, r4, r5, r6, r7 --- scratch
21 * r8 --- from + 4096 21 * r8 --- from + PAGE_SIZE
22 * r9 --- not used 22 * r9 --- not used
23 * r10 --- to 23 * r10 --- to
24 * r11 --- from 24 * r11 --- from
@@ -30,7 +30,7 @@ ENTRY(copy_page_slow)
30 mov r4,r10 30 mov r4,r10
31 mov r5,r11 31 mov r5,r11
32 mov r5,r8 32 mov r5,r8
33 mov.w .L4096,r0 33 mov.l .Lpsz,r0
34 add r0,r8 34 add r0,r8
35 ! 35 !
361: mov.l @r11+,r0 361: mov.l @r11+,r0
@@ -80,7 +80,7 @@ ENTRY(copy_page_slow)
80 80
81/* 81/*
82 * r0, r1, r2, r3, r4, r5, r6, r7 --- scratch 82 * r0, r1, r2, r3, r4, r5, r6, r7 --- scratch
83 * r8 --- from + 4096 83 * r8 --- from + PAGE_SIZE
84 * r9 --- orig_to 84 * r9 --- orig_to
85 * r10 --- to 85 * r10 --- to
86 * r11 --- from 86 * r11 --- from
@@ -94,7 +94,7 @@ ENTRY(__copy_user_page)
94 mov r5,r11 94 mov r5,r11
95 mov r6,r9 95 mov r6,r9
96 mov r5,r8 96 mov r5,r8
97 mov.w .L4096,r0 97 mov.l .Lpsz,r0
98 add r0,r8 98 add r0,r8
99 ! 99 !
1001: ocbi @r9 1001: ocbi @r9
@@ -129,7 +129,7 @@ ENTRY(__copy_user_page)
129 rts 129 rts
130 nop 130 nop
131#endif 131#endif
132.L4096: .word 4096 132.Lpsz: .long PAGE_SIZE
133/* 133/*
134 * __kernel_size_t __copy_user(void *to, const void *from, __kernel_size_t n); 134 * __kernel_size_t __copy_user(void *to, const void *from, __kernel_size_t n);
135 * Return the number of bytes NOT copied 135 * Return the number of bytes NOT copied