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authorPaul Mundt <lethal@linux-sh.org>2009-08-14 20:57:57 -0400
committerPaul Mundt <lethal@linux-sh.org>2009-08-14 20:57:57 -0400
commitaae4d1428c03b03f9fe6204a83e35822fe9cc591 (patch)
tree292324229a846d0c7627e46c17b0adaa7ff24ad0 /arch/sh/mm
parentdde5e3ffb770ef2854bbc32c51a365e932919e19 (diff)
sh: consolidate nommu stubs in arch/sh/mm/nommu.c.
These were previous littered around tlb-nommu.c and pg-nommu.c, though at this point there are more stubs than are strictly TLB or page op related, so just consolidate them in a single nommu.c. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/mm')
-rw-r--r--arch/sh/mm/Makefile_322
-rw-r--r--arch/sh/mm/Makefile_642
-rw-r--r--arch/sh/mm/nommu.c (renamed from arch/sh/mm/tlb-nommu.c)27
-rw-r--r--arch/sh/mm/pg-nommu.c33
4 files changed, 26 insertions, 38 deletions
diff --git a/arch/sh/mm/Makefile_32 b/arch/sh/mm/Makefile_32
index affcc9a15cea..ff3b07bd772d 100644
--- a/arch/sh/mm/Makefile_32
+++ b/arch/sh/mm/Makefile_32
@@ -14,7 +14,7 @@ endif
14 14
15obj-y += $(cacheops-y) 15obj-y += $(cacheops-y)
16 16
17mmu-y := tlb-nommu.o pg-nommu.o 17mmu-y := nommu.o
18mmu-$(CONFIG_MMU) := fault_32.o kmap.o tlbflush_32.o ioremap_32.o 18mmu-$(CONFIG_MMU) := fault_32.o kmap.o tlbflush_32.o ioremap_32.o
19 19
20obj-y += $(mmu-y) 20obj-y += $(mmu-y)
diff --git a/arch/sh/mm/Makefile_64 b/arch/sh/mm/Makefile_64
index 66c39106d0a8..4d5ed245ef47 100644
--- a/arch/sh/mm/Makefile_64
+++ b/arch/sh/mm/Makefile_64
@@ -4,7 +4,7 @@
4 4
5obj-y := init.o consistent.o mmap.o 5obj-y := init.o consistent.o mmap.o
6 6
7mmu-y := tlb-nommu.o pg-nommu.o extable_32.o 7mmu-y := nommu.o extable_32.o
8mmu-$(CONFIG_MMU) := fault_64.o ioremap_64.o tlbflush_64.o tlb-sh5.o \ 8mmu-$(CONFIG_MMU) := fault_64.o ioremap_64.o tlbflush_64.o tlb-sh5.o \
9 extable_64.o 9 extable_64.o
10 10
diff --git a/arch/sh/mm/tlb-nommu.c b/arch/sh/mm/nommu.c
index 0710ebb99b9a..51b54037216f 100644
--- a/arch/sh/mm/tlb-nommu.c
+++ b/arch/sh/mm/nommu.c
@@ -1,20 +1,41 @@
1/* 1/*
2 * arch/sh/mm/tlb-nommu.c 2 * arch/sh/mm/nommu.c
3 * 3 *
4 * TLB Operations for MMUless SH. 4 * Various helper routines and stubs for MMUless SH.
5 * 5 *
6 * Copyright (C) 2002 Paul Mundt 6 * Copyright (C) 2002 - 2009 Paul Mundt
7 * 7 *
8 * Released under the terms of the GNU GPL v2.0. 8 * Released under the terms of the GNU GPL v2.0.
9 */ 9 */
10#include <linux/kernel.h> 10#include <linux/kernel.h>
11#include <linux/init.h>
12#include <linux/string.h>
11#include <linux/mm.h> 13#include <linux/mm.h>
12#include <asm/pgtable.h> 14#include <asm/pgtable.h>
13#include <asm/tlbflush.h> 15#include <asm/tlbflush.h>
16#include <asm/page.h>
17#include <asm/uaccess.h>
14 18
15/* 19/*
16 * Nothing too terribly exciting here .. 20 * Nothing too terribly exciting here ..
17 */ 21 */
22void copy_page(void *to, void *from)
23{
24 memcpy(to, from, PAGE_SIZE);
25}
26
27__kernel_size_t __copy_user(void *to, const void *from, __kernel_size_t n)
28{
29 memcpy(to, from, n);
30 return 0;
31}
32
33__kernel_size_t __clear_user(void *to, __kernel_size_t n)
34{
35 memset(to, 0, n);
36 return 0;
37}
38
18void local_flush_tlb_all(void) 39void local_flush_tlb_all(void)
19{ 40{
20 BUG(); 41 BUG();
diff --git a/arch/sh/mm/pg-nommu.c b/arch/sh/mm/pg-nommu.c
deleted file mode 100644
index 7e33b486b7e9..000000000000
--- a/arch/sh/mm/pg-nommu.c
+++ /dev/null
@@ -1,33 +0,0 @@
1/*
2 * arch/sh/mm/pg-nommu.c
3 *
4 * copy_page()/__copy_user()/__clear_user() implementations for MMUless SH.
5 *
6 * Copyright (C) 2003 Paul Mundt
7 *
8 * This file is subject to the terms and conditions of the GNU General Public
9 * License. See the file "COPYING" in the main directory of this archive
10 * for more details.
11 */
12#include <linux/init.h>
13#include <linux/kernel.h>
14#include <linux/string.h>
15#include <asm/page.h>
16#include <asm/uaccess.h>
17
18void copy_page(void *to, void *from)
19{
20 memcpy(to, from, PAGE_SIZE);
21}
22
23__kernel_size_t __copy_user(void *to, const void *from, __kernel_size_t n)
24{
25 memcpy(to, from, n);
26 return 0;
27}
28
29__kernel_size_t __clear_user(void *to, __kernel_size_t n)
30{
31 memset(to, 0, n);
32 return 0;
33}