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-rw-r--r--arch/sh/kernel/cpu/sh3/entry.S5
-rw-r--r--arch/sh/kernel/head.S5
-rw-r--r--arch/sh/kernel/relocate_kernel.S14
-rw-r--r--arch/sh/mm/cache-sh4.c4
-rw-r--r--arch/sh/mm/clear_page.S18
-rw-r--r--arch/sh/mm/copy_page.S16
-rw-r--r--arch/sh/mm/init.c1
-rw-r--r--arch/sh/mm/pg-dma.c2
8 files changed, 31 insertions, 34 deletions
diff --git a/arch/sh/kernel/cpu/sh3/entry.S b/arch/sh/kernel/cpu/sh3/entry.S
index 5de99b498738..7ba3dcbe7504 100644
--- a/arch/sh/kernel/cpu/sh3/entry.S
+++ b/arch/sh/kernel/cpu/sh3/entry.S
@@ -335,7 +335,7 @@ general_exception:
335/* This code makes some assumptions to improve performance. 335/* This code makes some assumptions to improve performance.
336 * Make sure they are stil true. */ 336 * Make sure they are stil true. */
337#if PTRS_PER_PGD != PTRS_PER_PTE 337#if PTRS_PER_PGD != PTRS_PER_PTE
338#error PDG and PTE sizes don't match 338#error PGD and PTE sizes don't match
339#endif 339#endif
340 340
341/* gas doesn't flag impossible values for mov #immediate as an error */ 341/* gas doesn't flag impossible values for mov #immediate as an error */
@@ -547,8 +547,9 @@ ENTRY(handle_exception)
547 bt/s 1f ! It's a kernel to kernel transition. 547 bt/s 1f ! It's a kernel to kernel transition.
548 mov r15, k0 ! save original stack to k0 548 mov r15, k0 ! save original stack to k0
549 /* User space to kernel */ 549 /* User space to kernel */
550 mov #(THREAD_SIZE >> 8), k1 550 mov #(THREAD_SIZE >> 10), k1
551 shll8 k1 ! k1 := THREAD_SIZE 551 shll8 k1 ! k1 := THREAD_SIZE
552 shll2 k1
552 add current, k1 553 add current, k1
553 mov k1, r15 ! change to kernel stack 554 mov k1, r15 ! change to kernel stack
554 ! 555 !
diff --git a/arch/sh/kernel/head.S b/arch/sh/kernel/head.S
index b5ff23264617..6aca4bc6ec5d 100644
--- a/arch/sh/kernel/head.S
+++ b/arch/sh/kernel/head.S
@@ -33,7 +33,7 @@ ENTRY(empty_zero_page)
33 .long 0x00360000 /* INITRD_START */ 33 .long 0x00360000 /* INITRD_START */
34 .long 0x000a0000 /* INITRD_SIZE */ 34 .long 0x000a0000 /* INITRD_SIZE */
35 .long 0 35 .long 0
36 .balign 4096,0,4096 36 .balign PAGE_SIZE,0,PAGE_SIZE
37 37
38 .text 38 .text
39/* 39/*
@@ -70,8 +70,9 @@ ENTRY(_stext)
70 ! 70 !
71 mov.l 2f, r0 71 mov.l 2f, r0
72 mov r0, r15 ! Set initial r15 (stack pointer) 72 mov r0, r15 ! Set initial r15 (stack pointer)
73 mov #(THREAD_SIZE >> 8), r1 73 mov #(THREAD_SIZE >> 10), r1
74 shll8 r1 ! r1 = THREAD_SIZE 74 shll8 r1 ! r1 = THREAD_SIZE
75 shll2 r1
75 sub r1, r0 ! 76 sub r1, r0 !
76#ifdef CONFIG_CPU_HAS_SR_RB 77#ifdef CONFIG_CPU_HAS_SR_RB
77 ldc r0, r7_bank ! ... and initial thread_info 78 ldc r0, r7_bank ! ... and initial thread_info
diff --git a/arch/sh/kernel/relocate_kernel.S b/arch/sh/kernel/relocate_kernel.S
index 8221b37c9773..c66cb3209db5 100644
--- a/arch/sh/kernel/relocate_kernel.S
+++ b/arch/sh/kernel/relocate_kernel.S
@@ -7,11 +7,9 @@
7 * This source code is licensed under the GNU General Public License, 7 * This source code is licensed under the GNU General Public License,
8 * Version 2. See the file COPYING for more details. 8 * Version 2. See the file COPYING for more details.
9 */ 9 */
10
11#include <linux/linkage.h> 10#include <linux/linkage.h>
12 11#include <asm/addrspace.h>
13#define PAGE_SIZE 4096 /* must be same value as in <asm/page.h> */ 12#include <asm/page.h>
14
15 13
16 .globl relocate_new_kernel 14 .globl relocate_new_kernel
17relocate_new_kernel: 15relocate_new_kernel:
@@ -20,8 +18,8 @@ relocate_new_kernel:
20 /* r6 = start_address */ 18 /* r6 = start_address */
21 /* r7 = vbr_reg */ 19 /* r7 = vbr_reg */
22 20
23 mov.l 10f,r8 /* 4096 */ 21 mov.l 10f,r8 /* PAGE_SIZE */
24 mov.l 11f,r9 /* 0xa0000000 */ 22 mov.l 11f,r9 /* P2SEG */
25 23
26 /* stack setting */ 24 /* stack setting */
27 add r8,r5 25 add r8,r5
@@ -32,7 +30,7 @@ relocate_new_kernel:
320: 300:
33 mov.l @r4+,r0 /* cmd = *ind++ */ 31 mov.l @r4+,r0 /* cmd = *ind++ */
34 32
351: /* addr = (cmd | 0xa0000000) & 0xfffffff0 */ 331: /* addr = (cmd | P2SEG) & 0xfffffff0 */
36 mov r0,r2 34 mov r0,r2
37 or r9,r2 35 or r9,r2
38 mov #-16,r1 36 mov #-16,r1
@@ -92,7 +90,7 @@ relocate_new_kernel:
9210: 9010:
93 .long PAGE_SIZE 91 .long PAGE_SIZE
9411: 9211:
95 .long 0xa0000000 93 .long P2SEG
96 94
97relocate_new_kernel_end: 95relocate_new_kernel_end:
98 96
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c
index 7e62ba071d64..ae531affccbd 100644
--- a/arch/sh/mm/cache-sh4.c
+++ b/arch/sh/mm/cache-sh4.c
@@ -225,7 +225,7 @@ static inline void flush_cache_4096(unsigned long start,
225 */ 225 */
226 if ((cpu_data->flags & CPU_HAS_P2_FLUSH_BUG) || 226 if ((cpu_data->flags & CPU_HAS_P2_FLUSH_BUG) ||
227 (start < CACHE_OC_ADDRESS_ARRAY)) 227 (start < CACHE_OC_ADDRESS_ARRAY))
228 exec_offset = 0x20000000; 228 exec_offset = 0x20000000;
229 229
230 local_irq_save(flags); 230 local_irq_save(flags);
231 __flush_cache_4096(start | SH_CACHE_ASSOC, 231 __flush_cache_4096(start | SH_CACHE_ASSOC,
@@ -246,7 +246,7 @@ void flush_dcache_page(struct page *page)
246 246
247 /* Loop all the D-cache */ 247 /* Loop all the D-cache */
248 n = cpu_data->dcache.n_aliases; 248 n = cpu_data->dcache.n_aliases;
249 for (i = 0; i < n; i++, addr += PAGE_SIZE) 249 for (i = 0; i < n; i++, addr += 4096)
250 flush_cache_4096(addr, phys); 250 flush_cache_4096(addr, phys);
251 } 251 }
252 252
diff --git a/arch/sh/mm/clear_page.S b/arch/sh/mm/clear_page.S
index 7b96425ae270..8a706131e521 100644
--- a/arch/sh/mm/clear_page.S
+++ b/arch/sh/mm/clear_page.S
@@ -1,12 +1,12 @@
1/* $Id: clear_page.S,v 1.13 2003/08/25 17:03:10 lethal Exp $ 1/*
2 *
3 * __clear_user_page, __clear_user, clear_page implementation of SuperH 2 * __clear_user_page, __clear_user, clear_page implementation of SuperH
4 * 3 *
5 * Copyright (C) 2001 Kaz Kojima 4 * Copyright (C) 2001 Kaz Kojima
6 * Copyright (C) 2001, 2002 Niibe Yutaka 5 * Copyright (C) 2001, 2002 Niibe Yutaka
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 * clear_page_slow 12 * clear_page_slow
@@ -18,11 +18,11 @@
18/* 18/*
19 * r0 --- scratch 19 * r0 --- scratch
20 * r4 --- to 20 * r4 --- to
21 * r5 --- to + 4096 21 * r5 --- to + PAGE_SIZE
22 */ 22 */
23ENTRY(clear_page_slow) 23ENTRY(clear_page_slow)
24 mov r4,r5 24 mov r4,r5
25 mov.w .Llimit,r0 25 mov.l .Llimit,r0
26 add r0,r5 26 add r0,r5
27 mov #0,r0 27 mov #0,r0
28 ! 28 !
@@ -50,7 +50,7 @@ ENTRY(clear_page_slow)
50 ! 50 !
51 rts 51 rts
52 nop 52 nop
53.Llimit: .word (4096-28) 53.Llimit: .long (PAGE_SIZE-28)
54 54
55ENTRY(__clear_user) 55ENTRY(__clear_user)
56 ! 56 !
@@ -164,10 +164,10 @@ ENTRY(__clear_user)
164 * r0 --- scratch 164 * r0 --- scratch
165 * r4 --- to 165 * r4 --- to
166 * r5 --- orig_to 166 * r5 --- orig_to
167 * r6 --- to + 4096 167 * r6 --- to + PAGE_SIZE
168 */ 168 */
169ENTRY(__clear_user_page) 169ENTRY(__clear_user_page)
170 mov.w .L4096,r0 170 mov.l .Lpsz,r0
171 mov r4,r6 171 mov r4,r6
172 add r0,r6 172 add r0,r6
173 mov #0,r0 173 mov #0,r0
@@ -191,7 +191,7 @@ ENTRY(__clear_user_page)
191 ! 191 !
192 rts 192 rts
193 nop 193 nop
194.L4096: .word 4096 194.Lpsz: .long PAGE_SIZE
195 195
196#endif 196#endif
197 197
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
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index 462bfeac6d9c..59f4cc18235b 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -217,7 +217,6 @@ static struct kcore_list kcore_mem, kcore_vmalloc;
217 217
218void __init mem_init(void) 218void __init mem_init(void)
219{ 219{
220 extern unsigned long empty_zero_page[1024];
221 int codesize, reservedpages, datasize, initsize; 220 int codesize, reservedpages, datasize, initsize;
222 int tmp; 221 int tmp;
223 extern unsigned long memory_start; 222 extern unsigned long memory_start;
diff --git a/arch/sh/mm/pg-dma.c b/arch/sh/mm/pg-dma.c
index 1406d2e348ca..bb23679369d6 100644
--- a/arch/sh/mm/pg-dma.c
+++ b/arch/sh/mm/pg-dma.c
@@ -39,8 +39,6 @@ static void copy_page_dma(void *to, void *from)
39 39
40static void clear_page_dma(void *to) 40static void clear_page_dma(void *to)
41{ 41{
42 extern unsigned long empty_zero_page[1024];
43
44 /* 42 /*
45 * We get invoked quite early on, if the DMAC hasn't been initialized 43 * We get invoked quite early on, if the DMAC hasn't been initialized
46 * yet, fall back on the slow manual implementation. 44 * yet, fall back on the slow manual implementation.