diff options
author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2006-03-16 09:44:36 -0500 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2006-03-21 17:03:25 -0500 |
commit | 74945c8616a50074277e18641baaae7464006766 (patch) | |
tree | b74a005fd0c38b2582783378321bf324545f3346 /include/asm-arm | |
parent | 0f44ba1d1e67201c0c58af26eb441fa7014c89ec (diff) |
[ARM] nommu: Move hardware page table definitions to pgtable-hwdef.h
Move the hardware PMD and PTE page table definitions from pgtable.h
into pgtable-hwdef.h, and include pgtable-hwdef.h as necessary.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include/asm-arm')
-rw-r--r-- | include/asm-arm/pgalloc.h | 5 | ||||
-rw-r--r-- | include/asm-arm/pgtable-hwdef.h | 88 | ||||
-rw-r--r-- | include/asm-arm/pgtable.h | 80 |
3 files changed, 93 insertions, 80 deletions
diff --git a/include/asm-arm/pgalloc.h b/include/asm-arm/pgalloc.h index bc18ff405181..c4ac2e67768d 100644 --- a/include/asm-arm/pgalloc.h +++ b/include/asm-arm/pgalloc.h | |||
@@ -10,10 +10,15 @@ | |||
10 | #ifndef _ASMARM_PGALLOC_H | 10 | #ifndef _ASMARM_PGALLOC_H |
11 | #define _ASMARM_PGALLOC_H | 11 | #define _ASMARM_PGALLOC_H |
12 | 12 | ||
13 | #include <asm/domain.h> | ||
14 | #include <asm/pgtable-hwdef.h> | ||
13 | #include <asm/processor.h> | 15 | #include <asm/processor.h> |
14 | #include <asm/cacheflush.h> | 16 | #include <asm/cacheflush.h> |
15 | #include <asm/tlbflush.h> | 17 | #include <asm/tlbflush.h> |
16 | 18 | ||
19 | #define _PAGE_USER_TABLE (PMD_TYPE_TABLE | PMD_BIT4 | PMD_DOMAIN(DOMAIN_USER)) | ||
20 | #define _PAGE_KERNEL_TABLE (PMD_TYPE_TABLE | PMD_BIT4 | PMD_DOMAIN(DOMAIN_KERNEL)) | ||
21 | |||
17 | /* | 22 | /* |
18 | * Since we have only two-level page tables, these are trivial | 23 | * Since we have only two-level page tables, these are trivial |
19 | */ | 24 | */ |
diff --git a/include/asm-arm/pgtable-hwdef.h b/include/asm-arm/pgtable-hwdef.h new file mode 100644 index 000000000000..1d033495cc75 --- /dev/null +++ b/include/asm-arm/pgtable-hwdef.h | |||
@@ -0,0 +1,88 @@ | |||
1 | /* | ||
2 | * linux/include/asm-arm/pgtable-hwdef.h | ||
3 | * | ||
4 | * Copyright (C) 1995-2002 Russell King | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License version 2 as | ||
8 | * published by the Free Software Foundation. | ||
9 | */ | ||
10 | #ifndef _ASMARM_PGTABLE_HWDEF_H | ||
11 | #define _ASMARM_PGTABLE_HWDEF_H | ||
12 | |||
13 | /* | ||
14 | * Hardware page table definitions. | ||
15 | * | ||
16 | * + Level 1 descriptor (PMD) | ||
17 | * - common | ||
18 | */ | ||
19 | #define PMD_TYPE_MASK (3 << 0) | ||
20 | #define PMD_TYPE_FAULT (0 << 0) | ||
21 | #define PMD_TYPE_TABLE (1 << 0) | ||
22 | #define PMD_TYPE_SECT (2 << 0) | ||
23 | #define PMD_BIT4 (1 << 4) | ||
24 | #define PMD_DOMAIN(x) ((x) << 5) | ||
25 | #define PMD_PROTECTION (1 << 9) /* v5 */ | ||
26 | /* | ||
27 | * - section | ||
28 | */ | ||
29 | #define PMD_SECT_BUFFERABLE (1 << 2) | ||
30 | #define PMD_SECT_CACHEABLE (1 << 3) | ||
31 | #define PMD_SECT_AP_WRITE (1 << 10) | ||
32 | #define PMD_SECT_AP_READ (1 << 11) | ||
33 | #define PMD_SECT_TEX(x) ((x) << 12) /* v5 */ | ||
34 | #define PMD_SECT_APX (1 << 15) /* v6 */ | ||
35 | #define PMD_SECT_S (1 << 16) /* v6 */ | ||
36 | #define PMD_SECT_nG (1 << 17) /* v6 */ | ||
37 | #define PMD_SECT_SUPER (1 << 18) /* v6 */ | ||
38 | |||
39 | #define PMD_SECT_UNCACHED (0) | ||
40 | #define PMD_SECT_BUFFERED (PMD_SECT_BUFFERABLE) | ||
41 | #define PMD_SECT_WT (PMD_SECT_CACHEABLE) | ||
42 | #define PMD_SECT_WB (PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE) | ||
43 | #define PMD_SECT_MINICACHE (PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE) | ||
44 | #define PMD_SECT_WBWA (PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE) | ||
45 | #define PMD_SECT_NONSHARED_DEV (PMD_SECT_TEX(2)) | ||
46 | |||
47 | /* | ||
48 | * - coarse table (not used) | ||
49 | */ | ||
50 | |||
51 | /* | ||
52 | * + Level 2 descriptor (PTE) | ||
53 | * - common | ||
54 | */ | ||
55 | #define PTE_TYPE_MASK (3 << 0) | ||
56 | #define PTE_TYPE_FAULT (0 << 0) | ||
57 | #define PTE_TYPE_LARGE (1 << 0) | ||
58 | #define PTE_TYPE_SMALL (2 << 0) | ||
59 | #define PTE_TYPE_EXT (3 << 0) /* v5 */ | ||
60 | #define PTE_BUFFERABLE (1 << 2) | ||
61 | #define PTE_CACHEABLE (1 << 3) | ||
62 | |||
63 | /* | ||
64 | * - extended small page/tiny page | ||
65 | */ | ||
66 | #define PTE_EXT_XN (1 << 0) /* v6 */ | ||
67 | #define PTE_EXT_AP_MASK (3 << 4) | ||
68 | #define PTE_EXT_AP0 (1 << 4) | ||
69 | #define PTE_EXT_AP1 (2 << 4) | ||
70 | #define PTE_EXT_AP_UNO_SRO (0 << 4) | ||
71 | #define PTE_EXT_AP_UNO_SRW (PTE_EXT_AP0) | ||
72 | #define PTE_EXT_AP_URO_SRW (PTE_EXT_AP1) | ||
73 | #define PTE_EXT_AP_URW_SRW (PTE_EXT_AP1|PTE_EXT_AP0) | ||
74 | #define PTE_EXT_TEX(x) ((x) << 6) /* v5 */ | ||
75 | #define PTE_EXT_APX (1 << 9) /* v6 */ | ||
76 | #define PTE_EXT_SHARED (1 << 10) /* v6 */ | ||
77 | #define PTE_EXT_NG (1 << 11) /* v6 */ | ||
78 | |||
79 | /* | ||
80 | * - small page | ||
81 | */ | ||
82 | #define PTE_SMALL_AP_MASK (0xff << 4) | ||
83 | #define PTE_SMALL_AP_UNO_SRO (0x00 << 4) | ||
84 | #define PTE_SMALL_AP_UNO_SRW (0x55 << 4) | ||
85 | #define PTE_SMALL_AP_URO_SRW (0xaa << 4) | ||
86 | #define PTE_SMALL_AP_URW_SRW (0xff << 4) | ||
87 | |||
88 | #endif | ||
diff --git a/include/asm-arm/pgtable.h b/include/asm-arm/pgtable.h index 70e00d08345e..e595ae24efe2 100644 --- a/include/asm-arm/pgtable.h +++ b/include/asm-arm/pgtable.h | |||
@@ -137,81 +137,6 @@ extern void __pgd_error(const char *file, int line, unsigned long val); | |||
137 | #define SUPERSECTION_MASK (~(SUPERSECTION_SIZE-1)) | 137 | #define SUPERSECTION_MASK (~(SUPERSECTION_SIZE-1)) |
138 | 138 | ||
139 | /* | 139 | /* |
140 | * Hardware page table definitions. | ||
141 | * | ||
142 | * + Level 1 descriptor (PMD) | ||
143 | * - common | ||
144 | */ | ||
145 | #define PMD_TYPE_MASK (3 << 0) | ||
146 | #define PMD_TYPE_FAULT (0 << 0) | ||
147 | #define PMD_TYPE_TABLE (1 << 0) | ||
148 | #define PMD_TYPE_SECT (2 << 0) | ||
149 | #define PMD_BIT4 (1 << 4) | ||
150 | #define PMD_DOMAIN(x) ((x) << 5) | ||
151 | #define PMD_PROTECTION (1 << 9) /* v5 */ | ||
152 | /* | ||
153 | * - section | ||
154 | */ | ||
155 | #define PMD_SECT_BUFFERABLE (1 << 2) | ||
156 | #define PMD_SECT_CACHEABLE (1 << 3) | ||
157 | #define PMD_SECT_AP_WRITE (1 << 10) | ||
158 | #define PMD_SECT_AP_READ (1 << 11) | ||
159 | #define PMD_SECT_TEX(x) ((x) << 12) /* v5 */ | ||
160 | #define PMD_SECT_APX (1 << 15) /* v6 */ | ||
161 | #define PMD_SECT_S (1 << 16) /* v6 */ | ||
162 | #define PMD_SECT_nG (1 << 17) /* v6 */ | ||
163 | #define PMD_SECT_SUPER (1 << 18) /* v6 */ | ||
164 | |||
165 | #define PMD_SECT_UNCACHED (0) | ||
166 | #define PMD_SECT_BUFFERED (PMD_SECT_BUFFERABLE) | ||
167 | #define PMD_SECT_WT (PMD_SECT_CACHEABLE) | ||
168 | #define PMD_SECT_WB (PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE) | ||
169 | #define PMD_SECT_MINICACHE (PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE) | ||
170 | #define PMD_SECT_WBWA (PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE) | ||
171 | #define PMD_SECT_NONSHARED_DEV (PMD_SECT_TEX(2)) | ||
172 | |||
173 | /* | ||
174 | * - coarse table (not used) | ||
175 | */ | ||
176 | |||
177 | /* | ||
178 | * + Level 2 descriptor (PTE) | ||
179 | * - common | ||
180 | */ | ||
181 | #define PTE_TYPE_MASK (3 << 0) | ||
182 | #define PTE_TYPE_FAULT (0 << 0) | ||
183 | #define PTE_TYPE_LARGE (1 << 0) | ||
184 | #define PTE_TYPE_SMALL (2 << 0) | ||
185 | #define PTE_TYPE_EXT (3 << 0) /* v5 */ | ||
186 | #define PTE_BUFFERABLE (1 << 2) | ||
187 | #define PTE_CACHEABLE (1 << 3) | ||
188 | |||
189 | /* | ||
190 | * - extended small page/tiny page | ||
191 | */ | ||
192 | #define PTE_EXT_XN (1 << 0) /* v6 */ | ||
193 | #define PTE_EXT_AP_MASK (3 << 4) | ||
194 | #define PTE_EXT_AP0 (1 << 4) | ||
195 | #define PTE_EXT_AP1 (2 << 4) | ||
196 | #define PTE_EXT_AP_UNO_SRO (0 << 4) | ||
197 | #define PTE_EXT_AP_UNO_SRW (PTE_EXT_AP0) | ||
198 | #define PTE_EXT_AP_URO_SRW (PTE_EXT_AP1) | ||
199 | #define PTE_EXT_AP_URW_SRW (PTE_EXT_AP1|PTE_EXT_AP0) | ||
200 | #define PTE_EXT_TEX(x) ((x) << 6) /* v5 */ | ||
201 | #define PTE_EXT_APX (1 << 9) /* v6 */ | ||
202 | #define PTE_EXT_SHARED (1 << 10) /* v6 */ | ||
203 | #define PTE_EXT_NG (1 << 11) /* v6 */ | ||
204 | |||
205 | /* | ||
206 | * - small page | ||
207 | */ | ||
208 | #define PTE_SMALL_AP_MASK (0xff << 4) | ||
209 | #define PTE_SMALL_AP_UNO_SRO (0x00 << 4) | ||
210 | #define PTE_SMALL_AP_UNO_SRW (0x55 << 4) | ||
211 | #define PTE_SMALL_AP_URO_SRW (0xaa << 4) | ||
212 | #define PTE_SMALL_AP_URW_SRW (0xff << 4) | ||
213 | |||
214 | /* | ||
215 | * "Linux" PTE definitions. | 140 | * "Linux" PTE definitions. |
216 | * | 141 | * |
217 | * We keep two sets of PTEs - the hardware and the linux version. | 142 | * We keep two sets of PTEs - the hardware and the linux version. |
@@ -236,11 +161,6 @@ extern void __pgd_error(const char *file, int line, unsigned long val); | |||
236 | 161 | ||
237 | #ifndef __ASSEMBLY__ | 162 | #ifndef __ASSEMBLY__ |
238 | 163 | ||
239 | #include <asm/domain.h> | ||
240 | |||
241 | #define _PAGE_USER_TABLE (PMD_TYPE_TABLE | PMD_BIT4 | PMD_DOMAIN(DOMAIN_USER)) | ||
242 | #define _PAGE_KERNEL_TABLE (PMD_TYPE_TABLE | PMD_BIT4 | PMD_DOMAIN(DOMAIN_KERNEL)) | ||
243 | |||
244 | /* | 164 | /* |
245 | * The following macros handle the cache and bufferable bits... | 165 | * The following macros handle the cache and bufferable bits... |
246 | */ | 166 | */ |