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authorChris Zankel <czankel@tensilica.com>2006-12-10 05:18:48 -0500
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-10 12:55:39 -0500
commit173d6681380aa1d60dfc35ed7178bd7811ba2784 (patch)
tree9d6d4d2c6dd791499ebab558647efb67ac88ae3a /arch/xtensa/mm/misc.S
parentfd43fe19b830d6cd0eba08a6c6a5f71a6bd9c1b0 (diff)
[PATCH] xtensa: remove extra header files
The Xtensa port contained many header files that were never needed. This rather lengthy patch removes all those files. Unfortunately, there were many dependencies that needed to be updated, so this patch touches quite a few source files. Signed-off-by: Chris Zankel <chris@zankel.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/xtensa/mm/misc.S')
-rw-r--r--arch/xtensa/mm/misc.S265
1 files changed, 50 insertions, 215 deletions
diff --git a/arch/xtensa/mm/misc.S b/arch/xtensa/mm/misc.S
index 327c0f17187c..ae085332c607 100644
--- a/arch/xtensa/mm/misc.S
+++ b/arch/xtensa/mm/misc.S
@@ -19,9 +19,8 @@
19#include <linux/linkage.h> 19#include <linux/linkage.h>
20#include <asm/page.h> 20#include <asm/page.h>
21#include <asm/pgtable.h> 21#include <asm/pgtable.h>
22 22#include <asm/asmmacro.h>
23#include <xtensa/cacheasm.h> 23#include <asm/cacheasm.h>
24#include <xtensa/cacheattrasm.h>
25 24
26/* clear_page (page) */ 25/* clear_page (page) */
27 26
@@ -74,104 +73,66 @@ ENTRY(copy_page)
74 73
75 retw 74 retw
76 75
77
78/* 76/*
79 * void __flush_invalidate_cache_all(void) 77 * void __invalidate_icache_page(ulong start)
80 */ 78 */
81 79
82ENTRY(__flush_invalidate_cache_all) 80ENTRY(__invalidate_icache_page)
83 entry sp, 16 81 entry sp, 16
84 dcache_writeback_inv_all a2, a3
85 icache_invalidate_all a2, a3
86 retw
87 82
88/* 83 ___invalidate_icache_page a2 a3
89 * void __invalidate_icache_all(void) 84 isync
90 */
91 85
92ENTRY(__invalidate_icache_all)
93 entry sp, 16
94 icache_invalidate_all a2, a3
95 retw 86 retw
96 87
97/* 88/*
98 * void __flush_invalidate_dcache_all(void) 89 * void __invalidate_dcache_page(ulong start)
99 */ 90 */
100 91
101ENTRY(__flush_invalidate_dcache_all) 92ENTRY(__invalidate_dcache_page)
102 entry sp, 16 93 entry sp, 16
103 dcache_writeback_inv_all a2, a3
104 retw
105
106 94
107/* 95 ___invalidate_dcache_page a2 a3
108 * void __flush_invalidate_cache_range(ulong start, ulong size) 96 dsync
109 */
110 97
111ENTRY(__flush_invalidate_cache_range)
112 entry sp, 16
113 mov a4, a2
114 mov a5, a3
115 dcache_writeback_inv_region a4, a5, a6
116 icache_invalidate_region a2, a3, a4
117 retw 98 retw
118 99
119/* 100/*
120 * void __invalidate_icache_page(ulong start) 101 * void __flush_invalidate_dcache_page(ulong start)
121 */ 102 */
122 103
123ENTRY(__invalidate_icache_page) 104ENTRY(__flush_invalidate_dcache_page)
124 entry sp, 16 105 entry sp, 16
125 movi a3, PAGE_SIZE
126 icache_invalidate_region a2, a3, a4
127 retw
128 106
129/* 107 ___flush_invalidate_dcache_page a2 a3
130 * void __invalidate_dcache_page(ulong start)
131 */
132 108
133ENTRY(__invalidate_dcache_page) 109 dsync
134 entry sp, 16
135 movi a3, PAGE_SIZE
136 dcache_invalidate_region a2, a3, a4
137 retw 110 retw
138 111
139/* 112/*
140 * void __invalidate_icache_range(ulong start, ulong size) 113 * void __flush_dcache_page(ulong start)
141 */ 114 */
142 115
143ENTRY(__invalidate_icache_range) 116ENTRY(__flush_dcache_page)
144 entry sp, 16 117 entry sp, 16
145 icache_invalidate_region a2, a3, a4
146 retw
147 118
148/* 119 ___flush_dcache_page a2 a3
149 * void __invalidate_dcache_range(ulong start, ulong size)
150 */
151 120
152ENTRY(__invalidate_dcache_range) 121 dsync
153 entry sp, 16
154 dcache_invalidate_region a2, a3, a4
155 retw 122 retw
156 123
157/*
158 * void __flush_dcache_page(ulong start)
159 */
160 124
161ENTRY(__flush_dcache_page)
162 entry sp, 16
163 movi a3, PAGE_SIZE
164 dcache_writeback_region a2, a3, a4
165 retw
166 125
167/* 126/*
168 * void __flush_invalidate_dcache_page(ulong start) 127 * void __invalidate_icache_range(ulong start, ulong size)
169 */ 128 */
170 129
171ENTRY(__flush_invalidate_dcache_page) 130ENTRY(__invalidate_icache_range)
172 entry sp, 16 131 entry sp, 16
173 movi a3, PAGE_SIZE 132
174 dcache_writeback_inv_region a2, a3, a4 133 ___invalidate_icache_range a2 a3 a4
134 isync
135
175 retw 136 retw
176 137
177/* 138/*
@@ -180,195 +141,69 @@ ENTRY(__flush_invalidate_dcache_page)
180 141
181ENTRY(__flush_invalidate_dcache_range) 142ENTRY(__flush_invalidate_dcache_range)
182 entry sp, 16 143 entry sp, 16
183 dcache_writeback_inv_region a2, a3, a4
184 retw
185 144
186/* 145 ___flush_invalidate_dcache_range a2 a3 a4
187 * void __invalidate_dcache_all(void) 146 dsync
188 */
189 147
190ENTRY(__invalidate_dcache_all)
191 entry sp, 16
192 dcache_invalidate_all a2, a3
193 retw 148 retw
194 149
195/* 150/*
196 * void __flush_invalidate_dcache_page_phys(ulong start) 151 * void _flush_dcache_range(ulong start, ulong size)
197 */ 152 */
198 153
199ENTRY(__flush_invalidate_dcache_page_phys) 154ENTRY(__flush_dcache_range)
200 entry sp, 16 155 entry sp, 16
201 156
202 movi a3, XCHAL_DCACHE_SIZE 157 ___flush_dcache_range a2 a3 a4
203 movi a4, PAGE_MASK | 1
204 addi a2, a2, 1
205
2061: addi a3, a3, -XCHAL_DCACHE_LINESIZE
207
208 ldct a6, a3
209 dsync 158 dsync
210 and a6, a6, a4
211 beq a6, a2, 2f
212 bgeui a3, 2, 1b
213 retw
214 159
2152: diwbi a3, 0
216 bgeui a3, 2, 1b
217 retw 160 retw
218 161
219ENTRY(check_dcache_low0) 162/*
220 entry sp, 16 163 * void _invalidate_dcache_range(ulong start, ulong size)
221 164 */
222 movi a3, XCHAL_DCACHE_SIZE / 4
223 movi a4, PAGE_MASK | 1
224 addi a2, a2, 1
225
2261: addi a3, a3, -XCHAL_DCACHE_LINESIZE
227
228 ldct a6, a3
229 dsync
230 and a6, a6, a4
231 beq a6, a2, 2f
232 bgeui a3, 2, 1b
233 retw
234
2352: j 2b
236
237ENTRY(check_dcache_high0)
238 entry sp, 16
239
240 movi a5, XCHAL_DCACHE_SIZE / 4
241 movi a3, XCHAL_DCACHE_SIZE / 2
242 movi a4, PAGE_MASK | 1
243 addi a2, a2, 1
244
2451: addi a3, a3, -XCHAL_DCACHE_LINESIZE
246 addi a5, a5, -XCHAL_DCACHE_LINESIZE
247
248 ldct a6, a3
249 dsync
250 and a6, a6, a4
251 beq a6, a2, 2f
252 bgeui a5, 2, 1b
253 retw
254
2552: j 2b
256 165
257ENTRY(check_dcache_low1) 166ENTRY(__invalidate_dcache_range)
258 entry sp, 16 167 entry sp, 16
259 168
260 movi a5, XCHAL_DCACHE_SIZE / 4 169 ___invalidate_dcache_range a2 a3 a4
261 movi a3, XCHAL_DCACHE_SIZE * 3 / 4
262 movi a4, PAGE_MASK | 1
263 addi a2, a2, 1
264 170
2651: addi a3, a3, -XCHAL_DCACHE_LINESIZE
266 addi a5, a5, -XCHAL_DCACHE_LINESIZE
267 171
268 ldct a6, a3
269 dsync
270 and a6, a6, a4
271 beq a6, a2, 2f
272 bgeui a5, 2, 1b
273 retw 172 retw
274 173
2752: j 2b 174/*
175 * void _invalidate_icache_all(void)
176 */
276 177
277ENTRY(check_dcache_high1) 178ENTRY(__invalidate_icache_all)
278 entry sp, 16 179 entry sp, 16
279 180
280 movi a5, XCHAL_DCACHE_SIZE / 4 181 ___invalidate_icache_all a2 a3
281 movi a3, XCHAL_DCACHE_SIZE 182 isync
282 movi a4, PAGE_MASK | 1
283 addi a2, a2, 1
284
2851: addi a3, a3, -XCHAL_DCACHE_LINESIZE
286 addi a5, a5, -XCHAL_DCACHE_LINESIZE
287 183
288 ldct a6, a3
289 dsync
290 and a6, a6, a4
291 beq a6, a2, 2f
292 bgeui a5, 2, 1b
293 retw 184 retw
294 185
2952: j 2b
296
297
298/* 186/*
299 * void __invalidate_icache_page_phys(ulong start) 187 * void _flush_invalidate_dcache_all(void)
300 */ 188 */
301 189
302ENTRY(__invalidate_icache_page_phys) 190ENTRY(__flush_invalidate_dcache_all)
303 entry sp, 16 191 entry sp, 16
304 192
305 movi a3, XCHAL_ICACHE_SIZE 193 ___flush_invalidate_dcache_all a2 a3
306 movi a4, PAGE_MASK | 1 194 dsync
307 addi a2, a2, 1
308
3091: addi a3, a3, -XCHAL_ICACHE_LINESIZE
310
311 lict a6, a3
312 isync
313 and a6, a6, a4
314 beq a6, a2, 2f
315 bgeui a3, 2, 1b
316 retw
317 195
3182: iii a3, 0
319 bgeui a3, 2, 1b
320 retw 196 retw
321 197
198/*
199 * void _invalidate_dcache_all(void)
200 */
322 201
323#if 0 202ENTRY(__invalidate_dcache_all)
324
325 movi a3, XCHAL_DCACHE_WAYS - 1
326 movi a4, PAGE_SIZE
327
3281: mov a5, a2
329 add a6, a2, a4
330
3312: diwbi a5, 0
332 diwbi a5, XCHAL_DCACHE_LINESIZE
333 diwbi a5, XCHAL_DCACHE_LINESIZE * 2
334 diwbi a5, XCHAL_DCACHE_LINESIZE * 3
335
336 addi a5, a5, XCHAL_DCACHE_LINESIZE * 4
337 blt a5, a6, 2b
338
339 addi a3, a3, -1
340 addi a2, a2, XCHAL_DCACHE_SIZE / XCHAL_DCACHE_WAYS
341 bgez a3, 1b
342
343 retw
344
345ENTRY(__invalidate_icache_page_index)
346 entry sp, 16 203 entry sp, 16
347 204
348 movi a3, XCHAL_ICACHE_WAYS - 1 205 ___invalidate_dcache_all a2 a3
349 movi a4, PAGE_SIZE 206 dsync
350
3511: mov a5, a2
352 add a6, a2, a4
353
3542: iii a5, 0
355 iii a5, XCHAL_ICACHE_LINESIZE
356 iii a5, XCHAL_ICACHE_LINESIZE * 2
357 iii a5, XCHAL_ICACHE_LINESIZE * 3
358
359 addi a5, a5, XCHAL_ICACHE_LINESIZE * 4
360 blt a5, a6, 2b
361
362 addi a3, a3, -1
363 addi a2, a2, XCHAL_ICACHE_SIZE / XCHAL_ICACHE_WAYS
364 bgez a3, 2b
365 207
366 retw 208 retw
367 209
368#endif
369
370
371
372
373
374