source: mainline/arch/ia64/src/fpu_context.c@ 5581c45e

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 5581c45e was 5581c45e, checked in by Jakub Vana <jakub.vana@…>, 19 years ago

Itanium FPU context save/restore

  • Property mode set to 100644
File size: 9.6 KB
RevLine 
[0ca6faa]1/*
[54ca3523]2 * Copyright (C) 2005 Jakub Vana
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 */
[0ca6faa]29
30#include <fpu_context.h>
31
[5581c45e]32void fpu_context_save(fpu_context_t *fctx){
33 asm volatile(
34 "stf.spill [%2]=f2,0x80\n"
35 "stf.spill [%3]=f3,0x80\n"
36 "stf.spill [%4]=f4,0x80\n"
37 "stf.spill [%5]=f5,0x80\n"
38 "stf.spill [%6]=f6,0x80\n"
39 "stf.spill [%7]=f7,0x80\n;;"
40
41 "stf.spill [%0]=f8,0x80\n"
42 "stf.spill [%1]=f9,0x80\n"
43 "stf.spill [%2]=f10,0x80\n"
44 "stf.spill [%3]=f11,0x80\n"
45 "stf.spill [%4]=f12,0x80\n"
46 "stf.spill [%5]=f13,0x80\n"
47 "stf.spill [%6]=f14,0x80\n"
48 "stf.spill [%7]=f15,0x80\n;;"
49
50 "stf.spill [%0]=f16,0x80\n"
51 "stf.spill [%1]=f17,0x80\n"
52 "stf.spill [%2]=f18,0x80\n"
53 "stf.spill [%3]=f19,0x80\n"
54 "stf.spill [%4]=f20,0x80\n"
55 "stf.spill [%5]=f21,0x80\n"
56 "stf.spill [%6]=f22,0x80\n"
57 "stf.spill [%7]=f23,0x80\n;;"
58
59 "stf.spill [%0]=f24,0x80\n"
60 "stf.spill [%1]=f25,0x80\n"
61 "stf.spill [%2]=f26,0x80\n"
62 "stf.spill [%3]=f27,0x80\n"
63 "stf.spill [%4]=f28,0x80\n"
64 "stf.spill [%5]=f29,0x80\n"
65 "stf.spill [%6]=f30,0x80\n"
66 "stf.spill [%7]=f31,0x80\n;;"
67
68
69 "stf.spill [%0]=f32,0x80\n"
70 "stf.spill [%1]=f33,0x80\n"
71 "stf.spill [%2]=f34,0x80\n"
72 "stf.spill [%3]=f35,0x80\n"
73 "stf.spill [%4]=f36,0x80\n"
74 "stf.spill [%5]=f37,0x80\n"
75 "stf.spill [%6]=f38,0x80\n"
76 "stf.spill [%7]=f39,0x80\n;;"
77
78 "stf.spill [%0]=f40,0x80\n"
79 "stf.spill [%1]=f41,0x80\n"
80 "stf.spill [%2]=f42,0x80\n"
81 "stf.spill [%3]=f43,0x80\n"
82 "stf.spill [%4]=f44,0x80\n"
83 "stf.spill [%5]=f45,0x80\n"
84 "stf.spill [%6]=f46,0x80\n"
85 "stf.spill [%7]=f47,0x80\n;;"
86
87 "stf.spill [%0]=f48,0x80\n"
88 "stf.spill [%1]=f49,0x80\n"
89 "stf.spill [%2]=f50,0x80\n"
90 "stf.spill [%3]=f51,0x80\n"
91 "stf.spill [%4]=f52,0x80\n"
92 "stf.spill [%5]=f53,0x80\n"
93 "stf.spill [%6]=f54,0x80\n"
94 "stf.spill [%7]=f55,0x80\n;;"
95
96 "stf.spill [%0]=f56,0x80\n"
97 "stf.spill [%1]=f57,0x80\n"
98 "stf.spill [%2]=f58,0x80\n"
99 "stf.spill [%3]=f59,0x80\n"
100 "stf.spill [%4]=f60,0x80\n"
101 "stf.spill [%5]=f61,0x80\n"
102 "stf.spill [%6]=f62,0x80\n"
103 "stf.spill [%7]=f63,0x80\n;;"
104
105 "stf.spill [%0]=f64,0x80\n"
106 "stf.spill [%1]=f65,0x80\n"
107 "stf.spill [%2]=f66,0x80\n"
108 "stf.spill [%3]=f67,0x80\n"
109 "stf.spill [%4]=f68,0x80\n"
110 "stf.spill [%5]=f69,0x80\n"
111 "stf.spill [%6]=f70,0x80\n"
112 "stf.spill [%7]=f71,0x80\n;;"
113
114 "stf.spill [%0]=f72,0x80\n"
115 "stf.spill [%1]=f73,0x80\n"
116 "stf.spill [%2]=f74,0x80\n"
117 "stf.spill [%3]=f75,0x80\n"
118 "stf.spill [%4]=f76,0x80\n"
119 "stf.spill [%5]=f77,0x80\n"
120 "stf.spill [%6]=f78,0x80\n"
121 "stf.spill [%7]=f79,0x80\n;;"
122
123 "stf.spill [%0]=f80,0x80\n"
124 "stf.spill [%1]=f81,0x80\n"
125 "stf.spill [%2]=f82,0x80\n"
126 "stf.spill [%3]=f83,0x80\n"
127 "stf.spill [%4]=f84,0x80\n"
128 "stf.spill [%5]=f85,0x80\n"
129 "stf.spill [%6]=f86,0x80\n"
130 "stf.spill [%7]=f87,0x80\n;;"
131
132 "stf.spill [%0]=f88,0x80\n"
133 "stf.spill [%1]=f89,0x80\n"
134 "stf.spill [%2]=f90,0x80\n"
135 "stf.spill [%3]=f91,0x80\n"
136 "stf.spill [%4]=f92,0x80\n"
137 "stf.spill [%5]=f93,0x80\n"
138 "stf.spill [%6]=f94,0x80\n"
139 "stf.spill [%7]=f95,0x80\n;;"
140
141
142 "stf.spill [%0]=f96,0x80\n"
143 "stf.spill [%1]=f97,0x80\n"
144 "stf.spill [%2]=f98,0x80\n"
145 "stf.spill [%3]=f99,0x80\n"
146 "stf.spill [%4]=f100,0x80\n"
147 "stf.spill [%5]=f101,0x80\n"
148 "stf.spill [%6]=f102,0x80\n"
149 "stf.spill [%7]=f103,0x80\n;;"
150
151 "stf.spill [%0]=f104,0x80\n"
152 "stf.spill [%1]=f105,0x80\n"
153 "stf.spill [%2]=f106,0x80\n"
154 "stf.spill [%3]=f107,0x80\n"
155 "stf.spill [%4]=f108,0x80\n"
156 "stf.spill [%5]=f109,0x80\n"
157 "stf.spill [%6]=f110,0x80\n"
158 "stf.spill [%7]=f111,0x80\n;;"
159
160 "stf.spill [%0]=f112,0x80\n"
161 "stf.spill [%1]=f113,0x80\n"
162 "stf.spill [%2]=f114,0x80\n"
163 "stf.spill [%3]=f115,0x80\n"
164 "stf.spill [%4]=f116,0x80\n"
165 "stf.spill [%5]=f117,0x80\n"
166 "stf.spill [%6]=f118,0x80\n"
167 "stf.spill [%7]=f119,0x80\n;;"
168
169 "stf.spill [%0]=f120,0x80\n"
170 "stf.spill [%1]=f121,0x80\n"
171 "stf.spill [%2]=f122,0x80\n"
172 "stf.spill [%3]=f123,0x80\n"
173 "stf.spill [%4]=f124,0x80\n"
174 "stf.spill [%5]=f125,0x80\n"
175 "stf.spill [%6]=f126,0x80\n"
176 "stf.spill [%7]=f127,0x80\n;;"
177
178
179 :
180 :"r" (&((fctx->fr)[0])),"r" (&((fctx->fr)[1])),"r" (&((fctx->fr)[2])),"r" (&((fctx->fr)[3])),
181 "r" (&((fctx->fr)[4])),"r" (&((fctx->fr)[5])),"r" (&((fctx->fr)[6])),"r" (&((fctx->fr)[7]))
182 );
183
[0ca6faa]184}
185
186
[9c926f3]187void fpu_context_restore(fpu_context_t *fctx)
[0ca6faa]188{
[5581c45e]189
190 asm volatile(
191 "ldf.fill f2=[%2],0x80\n"
192 "ldf.fill f3=[%3],0x80\n"
193 "ldf.fill f4=[%4],0x80\n"
194 "ldf.fill f5=[%5],0x80\n"
195 "ldf.fill f6=[%6],0x80\n"
196 "ldf.fill f7=[%7],0x80\n;;"
197
198 "ldf.fill f8=[%0],0x80\n"
199 "ldf.fill f9=[%1],0x80\n"
200 "ldf.fill f10=[%2],0x80\n"
201 "ldf.fill f11=[%3],0x80\n"
202 "ldf.fill f12=[%4],0x80\n"
203 "ldf.fill f13=[%5],0x80\n"
204 "ldf.fill f14=[%6],0x80\n"
205 "ldf.fill f15=[%7],0x80\n;;"
206
207 "ldf.fill f16=[%0],0x80\n"
208 "ldf.fill f17=[%1],0x80\n"
209 "ldf.fill f18=[%2],0x80\n"
210 "ldf.fill f19=[%3],0x80\n"
211 "ldf.fill f20=[%4],0x80\n"
212 "ldf.fill f21=[%5],0x80\n"
213 "ldf.fill f22=[%6],0x80\n"
214 "ldf.fill f23=[%7],0x80\n;;"
215
216 "ldf.fill f24=[%0],0x80\n"
217 "ldf.fill f25=[%1],0x80\n"
218 "ldf.fill f26=[%2],0x80\n"
219 "ldf.fill f27=[%3],0x80\n"
220 "ldf.fill f28=[%4],0x80\n"
221 "ldf.fill f29=[%5],0x80\n"
222 "ldf.fill f30=[%6],0x80\n"
223 "ldf.fill f31=[%7],0x80\n;;"
224
225
226 "ldf.fill f32=[%0],0x80\n"
227 "ldf.fill f33=[%1],0x80\n"
228 "ldf.fill f34=[%2],0x80\n"
229 "ldf.fill f35=[%3],0x80\n"
230 "ldf.fill f36=[%4],0x80\n"
231 "ldf.fill f37=[%5],0x80\n"
232 "ldf.fill f38=[%6],0x80\n"
233 "ldf.fill f39=[%7],0x80\n;;"
234
235 "ldf.fill f40=[%0],0x80\n"
236 "ldf.fill f41=[%1],0x80\n"
237 "ldf.fill f42=[%2],0x80\n"
238 "ldf.fill f43=[%3],0x80\n"
239 "ldf.fill f44=[%4],0x80\n"
240 "ldf.fill f45=[%5],0x80\n"
241 "ldf.fill f46=[%6],0x80\n"
242 "ldf.fill f47=[%7],0x80\n;;"
243
244 "ldf.fill f48=[%0],0x80\n"
245 "ldf.fill f49=[%1],0x80\n"
246 "ldf.fill f50=[%2],0x80\n"
247 "ldf.fill f51=[%3],0x80\n"
248 "ldf.fill f52=[%4],0x80\n"
249 "ldf.fill f53=[%5],0x80\n"
250 "ldf.fill f54=[%6],0x80\n"
251 "ldf.fill f55=[%7],0x80\n;;"
252
253 "ldf.fill f56=[%0],0x80\n"
254 "ldf.fill f57=[%1],0x80\n"
255 "ldf.fill f58=[%2],0x80\n"
256 "ldf.fill f59=[%3],0x80\n"
257 "ldf.fill f60=[%4],0x80\n"
258 "ldf.fill f61=[%5],0x80\n"
259 "ldf.fill f62=[%6],0x80\n"
260 "ldf.fill f63=[%7],0x80\n;;"
261
262 "ldf.fill f64=[%0],0x80\n"
263 "ldf.fill f65=[%1],0x80\n"
264 "ldf.fill f66=[%2],0x80\n"
265 "ldf.fill f67=[%3],0x80\n"
266 "ldf.fill f68=[%4],0x80\n"
267 "ldf.fill f69=[%5],0x80\n"
268 "ldf.fill f70=[%6],0x80\n"
269 "ldf.fill f71=[%7],0x80\n;;"
270
271 "ldf.fill f72=[%0],0x80\n"
272 "ldf.fill f73=[%1],0x80\n"
273 "ldf.fill f74=[%2],0x80\n"
274 "ldf.fill f75=[%3],0x80\n"
275 "ldf.fill f76=[%4],0x80\n"
276 "ldf.fill f77=[%5],0x80\n"
277 "ldf.fill f78=[%6],0x80\n"
278 "ldf.fill f79=[%7],0x80\n;;"
279
280 "ldf.fill f80=[%0],0x80\n"
281 "ldf.fill f81=[%1],0x80\n"
282 "ldf.fill f82=[%2],0x80\n"
283 "ldf.fill f83=[%3],0x80\n"
284 "ldf.fill f84=[%4],0x80\n"
285 "ldf.fill f85=[%5],0x80\n"
286 "ldf.fill f86=[%6],0x80\n"
287 "ldf.fill f87=[%7],0x80\n;;"
288
289 "ldf.fill f88=[%0],0x80\n"
290 "ldf.fill f89=[%1],0x80\n"
291 "ldf.fill f90=[%2],0x80\n"
292 "ldf.fill f91=[%3],0x80\n"
293 "ldf.fill f92=[%4],0x80\n"
294 "ldf.fill f93=[%5],0x80\n"
295 "ldf.fill f94=[%6],0x80\n"
296 "ldf.fill f95=[%7],0x80\n;;"
297
298
299 "ldf.fill f96=[%0],0x80\n"
300 "ldf.fill f97=[%1],0x80\n"
301 "ldf.fill f98=[%2],0x80\n"
302 "ldf.fill f99=[%3],0x80\n"
303 "ldf.fill f100=[%4],0x80\n"
304 "ldf.fill f101=[%5],0x80\n"
305 "ldf.fill f102=[%6],0x80\n"
306 "ldf.fill f103=[%7],0x80\n;;"
307
308 "ldf.fill f104=[%0],0x80\n"
309 "ldf.fill f105=[%1],0x80\n"
310 "ldf.fill f106=[%2],0x80\n"
311 "ldf.fill f107=[%3],0x80\n"
312 "ldf.fill f108=[%4],0x80\n"
313 "ldf.fill f109=[%5],0x80\n"
314 "ldf.fill f110=[%6],0x80\n"
315 "ldf.fill f111=[%7],0x80\n;;"
316
317 "ldf.fill f112=[%0],0x80\n"
318 "ldf.fill f113=[%1],0x80\n"
319 "ldf.fill f114=[%2],0x80\n"
320 "ldf.fill f115=[%3],0x80\n"
321 "ldf.fill f116=[%4],0x80\n"
322 "ldf.fill f117=[%5],0x80\n"
323 "ldf.fill f118=[%6],0x80\n"
324 "ldf.fill f119=[%7],0x80\n;;"
325
326 "ldf.fill f120=[%0],0x80\n"
327 "ldf.fill f121=[%1],0x80\n"
328 "ldf.fill f122=[%2],0x80\n"
329 "ldf.fill f123=[%3],0x80\n"
330 "ldf.fill f124=[%4],0x80\n"
331 "ldf.fill f125=[%5],0x80\n"
332 "ldf.fill f126=[%6],0x80\n"
333 "ldf.fill f127=[%7],0x80\n;;"
334
335
336 :
337 :"r" (&((fctx->fr)[0])),"r" (&((fctx->fr)[1])),"r" (&((fctx->fr)[2])),"r" (&((fctx->fr)[3])),
338 "r" (&((fctx->fr)[4])),"r" (&((fctx->fr)[5])),"r" (&((fctx->fr)[6])),"r" (&((fctx->fr)[7]))
339 );
340
341
[0ca6faa]342}
343
[5581c45e]344
345
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