summaryrefslogtreecommitdiffstats
path: root/arch/arm/include/asm/proc-fns.h
blob: 296ca47489f9855e1bddae513ea7dd42fa6e941c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
/*
 *  arch/arm/include/asm/proc-fns.h
 *
 *  Copyright (C) 1997-1999 Russell King
 *  Copyright (C) 2000 Deep Blue Solutions Ltd
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */
#ifndef __ASM_PROCFNS_H
#define __ASM_PROCFNS_H

#ifdef __KERNEL__


/*
 * Work out if we need multiple CPU support
 */
#undef MULTI_CPU
#undef CPU_NAME

/*
 * CPU_NAME - the prefix for CPU related functions
 */

#ifdef CONFIG_CPU_ARM610
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_arm6
# endif
#endif

#ifdef CONFIG_CPU_ARM7TDMI
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_arm7tdmi
# endif
#endif

#ifdef CONFIG_CPU_ARM710
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_arm7
# endif
#endif

#ifdef CONFIG_CPU_ARM720T
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_arm720
# endif
#endif

#ifdef CONFIG_CPU_ARM740T
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_arm740
# endif
#endif

#ifdef CONFIG_CPU_ARM9TDMI
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_arm9tdmi
# endif
#endif

#ifdef CONFIG_CPU_ARM920T
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_arm920
# endif
#endif

#ifdef CONFIG_CPU_ARM922T
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_arm922
# endif
#endif

#ifdef CONFIG_CPU_FA526
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_fa526
# endif
#endif

#ifdef CONFIG_CPU_ARM925T
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_arm925
# endif
#endif

#ifdef CONFIG_CPU_ARM926T
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_arm926
# endif
#endif

#ifdef CONFIG_CPU_ARM940T
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_arm940
# endif
#endif

#ifdef CONFIG_CPU_ARM946E
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_arm946
# endif
#endif

#ifdef CONFIG_CPU_SA110
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_sa110
# endif
#endif

#ifdef CONFIG_CPU_SA1100
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_sa1100
# endif
#endif

#ifdef CONFIG_CPU_ARM1020
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_arm1020
# endif
#endif

#ifdef CONFIG_CPU_ARM1020E
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_arm1020e
# endif
#endif

#ifdef CONFIG_CPU_ARM1022
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_arm1022
# endif
#endif

#ifdef CONFIG_CPU_ARM1026
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_arm1026
# endif
#endif

#ifdef CONFIG_CPU_XSCALE
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_xscale
# endif
#endif

#ifdef CONFIG_CPU_XSC3
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_xsc3
# endif
#endif

#ifdef CONFIG_CPU_MOHAWK
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_mohawk
# endif
#endif

#ifdef CONFIG_CPU_FEROCEON
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_feroceon
# endif
#endif

#if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_V6K)
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_v6
# endif
#endif

#ifdef CONFIG_CPU_V7
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_v7
# endif
#endif

#ifndef __ASSEMBLY__

#ifndef MULTI_CPU
#include <asm/cpu-single.h>
#else
#include <asm/cpu-multi32.h>
#endif

#include <asm/memory.h>

#ifdef CONFIG_MMU

#define cpu_switch_mm(pgd,mm) cpu_do_switch_mm(virt_to_phys(pgd),mm)

#define cpu_get_pgd()	\
	({						\
		unsigned long pg;			\
		__asm__("mrc	p15, 0, %0, c2, c0, 0"	\
			 : "=r" (pg) : : "cc");		\
		pg &= ~0x3fff;				\
		(pgd_t *)phys_to_virt(pg);		\
	})

#endif

#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */
#endif /* __ASM_PROCFNS_H */