Loading...
1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2003 Ralf Baechle
7 */
8#ifndef _ASM_ASMMACRO_H
9#define _ASM_ASMMACRO_H
10
11#include <asm/hazards.h>
12#include <asm/asm-offsets.h>
13#include <asm/msa.h>
14
15#ifdef CONFIG_32BIT
16#include <asm/asmmacro-32.h>
17#endif
18#ifdef CONFIG_64BIT
19#include <asm/asmmacro-64.h>
20#endif
21
22/* preprocessor replaces the fp in ".set fp=64" with $30 otherwise */
23#undef fp
24
25/*
26 * Helper macros for generating raw instruction encodings.
27 */
28#ifdef CONFIG_CPU_MICROMIPS
29 .macro insn32_if_mm enc
30 .insn
31 .hword ((\enc) >> 16)
32 .hword ((\enc) & 0xffff)
33 .endm
34
35 .macro insn_if_mips enc
36 .endm
37#else
38 .macro insn32_if_mm enc
39 .endm
40
41 .macro insn_if_mips enc
42 .insn
43 .word (\enc)
44 .endm
45#endif
46
47#ifdef CONFIG_CPU_HAS_DIEI
48 .macro local_irq_enable reg=t0
49 ei
50 irq_enable_hazard
51 .endm
52
53 .macro local_irq_disable reg=t0
54 di
55 irq_disable_hazard
56 .endm
57#else /* !CONFIG_CPU_MIPSR2 && !CONFIG_CPU_MIPSR5 && !CONFIG_CPU_MIPSR6 */
58 .macro local_irq_enable reg=t0
59 mfc0 \reg, CP0_STATUS
60 ori \reg, \reg, 1
61 mtc0 \reg, CP0_STATUS
62 irq_enable_hazard
63 .endm
64
65 .macro local_irq_disable reg=t0
66#ifdef CONFIG_PREEMPTION
67 lw \reg, TI_PRE_COUNT($28)
68 addi \reg, \reg, 1
69 sw \reg, TI_PRE_COUNT($28)
70#endif
71 mfc0 \reg, CP0_STATUS
72 ori \reg, \reg, 1
73 xori \reg, \reg, 1
74 mtc0 \reg, CP0_STATUS
75 irq_disable_hazard
76#ifdef CONFIG_PREEMPTION
77 lw \reg, TI_PRE_COUNT($28)
78 addi \reg, \reg, -1
79 sw \reg, TI_PRE_COUNT($28)
80#endif
81 .endm
82#endif /* !CONFIG_CPU_MIPSR2 && !CONFIG_CPU_MIPSR5 && !CONFIG_CPU_MIPSR6 */
83
84 .macro fpu_save_16even thread tmp=t0
85 .set push
86 SET_HARDFLOAT
87 cfc1 \tmp, fcr31
88 sdc1 $f0, THREAD_FPR0(\thread)
89 sdc1 $f2, THREAD_FPR2(\thread)
90 sdc1 $f4, THREAD_FPR4(\thread)
91 sdc1 $f6, THREAD_FPR6(\thread)
92 sdc1 $f8, THREAD_FPR8(\thread)
93 sdc1 $f10, THREAD_FPR10(\thread)
94 sdc1 $f12, THREAD_FPR12(\thread)
95 sdc1 $f14, THREAD_FPR14(\thread)
96 sdc1 $f16, THREAD_FPR16(\thread)
97 sdc1 $f18, THREAD_FPR18(\thread)
98 sdc1 $f20, THREAD_FPR20(\thread)
99 sdc1 $f22, THREAD_FPR22(\thread)
100 sdc1 $f24, THREAD_FPR24(\thread)
101 sdc1 $f26, THREAD_FPR26(\thread)
102 sdc1 $f28, THREAD_FPR28(\thread)
103 sdc1 $f30, THREAD_FPR30(\thread)
104 sw \tmp, THREAD_FCR31(\thread)
105 .set pop
106 .endm
107
108 .macro fpu_save_16odd thread
109 .set push
110 .set mips64r2
111 .set fp=64
112 SET_HARDFLOAT
113 sdc1 $f1, THREAD_FPR1(\thread)
114 sdc1 $f3, THREAD_FPR3(\thread)
115 sdc1 $f5, THREAD_FPR5(\thread)
116 sdc1 $f7, THREAD_FPR7(\thread)
117 sdc1 $f9, THREAD_FPR9(\thread)
118 sdc1 $f11, THREAD_FPR11(\thread)
119 sdc1 $f13, THREAD_FPR13(\thread)
120 sdc1 $f15, THREAD_FPR15(\thread)
121 sdc1 $f17, THREAD_FPR17(\thread)
122 sdc1 $f19, THREAD_FPR19(\thread)
123 sdc1 $f21, THREAD_FPR21(\thread)
124 sdc1 $f23, THREAD_FPR23(\thread)
125 sdc1 $f25, THREAD_FPR25(\thread)
126 sdc1 $f27, THREAD_FPR27(\thread)
127 sdc1 $f29, THREAD_FPR29(\thread)
128 sdc1 $f31, THREAD_FPR31(\thread)
129 .set pop
130 .endm
131
132 .macro fpu_save_double thread status tmp
133#if defined(CONFIG_64BIT) || defined(CONFIG_CPU_MIPSR2) || \
134 defined(CONFIG_CPU_MIPSR5) || defined(CONFIG_CPU_MIPSR6)
135 sll \tmp, \status, 5
136 bgez \tmp, 10f
137 fpu_save_16odd \thread
13810:
139#endif
140 fpu_save_16even \thread \tmp
141 .endm
142
143 .macro fpu_restore_16even thread tmp=t0
144 .set push
145 SET_HARDFLOAT
146 lw \tmp, THREAD_FCR31(\thread)
147 ldc1 $f0, THREAD_FPR0(\thread)
148 ldc1 $f2, THREAD_FPR2(\thread)
149 ldc1 $f4, THREAD_FPR4(\thread)
150 ldc1 $f6, THREAD_FPR6(\thread)
151 ldc1 $f8, THREAD_FPR8(\thread)
152 ldc1 $f10, THREAD_FPR10(\thread)
153 ldc1 $f12, THREAD_FPR12(\thread)
154 ldc1 $f14, THREAD_FPR14(\thread)
155 ldc1 $f16, THREAD_FPR16(\thread)
156 ldc1 $f18, THREAD_FPR18(\thread)
157 ldc1 $f20, THREAD_FPR20(\thread)
158 ldc1 $f22, THREAD_FPR22(\thread)
159 ldc1 $f24, THREAD_FPR24(\thread)
160 ldc1 $f26, THREAD_FPR26(\thread)
161 ldc1 $f28, THREAD_FPR28(\thread)
162 ldc1 $f30, THREAD_FPR30(\thread)
163 ctc1 \tmp, fcr31
164 .set pop
165 .endm
166
167 .macro fpu_restore_16odd thread
168 .set push
169 .set mips64r2
170 .set fp=64
171 SET_HARDFLOAT
172 ldc1 $f1, THREAD_FPR1(\thread)
173 ldc1 $f3, THREAD_FPR3(\thread)
174 ldc1 $f5, THREAD_FPR5(\thread)
175 ldc1 $f7, THREAD_FPR7(\thread)
176 ldc1 $f9, THREAD_FPR9(\thread)
177 ldc1 $f11, THREAD_FPR11(\thread)
178 ldc1 $f13, THREAD_FPR13(\thread)
179 ldc1 $f15, THREAD_FPR15(\thread)
180 ldc1 $f17, THREAD_FPR17(\thread)
181 ldc1 $f19, THREAD_FPR19(\thread)
182 ldc1 $f21, THREAD_FPR21(\thread)
183 ldc1 $f23, THREAD_FPR23(\thread)
184 ldc1 $f25, THREAD_FPR25(\thread)
185 ldc1 $f27, THREAD_FPR27(\thread)
186 ldc1 $f29, THREAD_FPR29(\thread)
187 ldc1 $f31, THREAD_FPR31(\thread)
188 .set pop
189 .endm
190
191 .macro fpu_restore_double thread status tmp
192#if defined(CONFIG_64BIT) || defined(CONFIG_CPU_MIPSR2) || \
193 defined(CONFIG_CPU_MIPSR5) || defined(CONFIG_CPU_MIPSR6)
194 sll \tmp, \status, 5
195 bgez \tmp, 10f # 16 register mode?
196
197 fpu_restore_16odd \thread
19810:
199#endif
200 fpu_restore_16even \thread \tmp
201 .endm
202
203#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR5) || \
204 defined(CONFIG_CPU_MIPSR6)
205 .macro _EXT rd, rs, p, s
206 ext \rd, \rs, \p, \s
207 .endm
208#else /* !CONFIG_CPU_MIPSR2 && !CONFIG_CPU_MIPSR5 && !CONFIG_CPU_MIPSR6 */
209 .macro _EXT rd, rs, p, s
210 srl \rd, \rs, \p
211 andi \rd, \rd, (1 << \s) - 1
212 .endm
213#endif /* !CONFIG_CPU_MIPSR2 && !CONFIG_CPU_MIPSR5 && !CONFIG_CPU_MIPSR6 */
214
215/*
216 * Temporary until all gas have MT ASE support
217 */
218 .macro DMT reg=0
219 .word 0x41600bc1 | (\reg << 16)
220 .endm
221
222 .macro EMT reg=0
223 .word 0x41600be1 | (\reg << 16)
224 .endm
225
226 .macro DVPE reg=0
227 .word 0x41600001 | (\reg << 16)
228 .endm
229
230 .macro EVPE reg=0
231 .word 0x41600021 | (\reg << 16)
232 .endm
233
234 .macro MFTR rt=0, rd=0, u=0, sel=0
235 .word 0x41000000 | (\rt << 16) | (\rd << 11) | (\u << 5) | (\sel)
236 .endm
237
238 .macro MTTR rt=0, rd=0, u=0, sel=0
239 .word 0x41800000 | (\rt << 16) | (\rd << 11) | (\u << 5) | (\sel)
240 .endm
241
242#ifdef TOOLCHAIN_SUPPORTS_MSA
243 .macro _cfcmsa rd, cs
244 .set push
245 .set mips32r2
246 .set fp=64
247 .set msa
248 cfcmsa \rd, $\cs
249 .set pop
250 .endm
251
252 .macro _ctcmsa cd, rs
253 .set push
254 .set mips32r2
255 .set fp=64
256 .set msa
257 ctcmsa $\cd, \rs
258 .set pop
259 .endm
260
261 .macro ld_b wd, off, base
262 .set push
263 .set mips32r2
264 .set fp=64
265 .set msa
266 ld.b $w\wd, \off(\base)
267 .set pop
268 .endm
269
270 .macro ld_h wd, off, base
271 .set push
272 .set mips32r2
273 .set fp=64
274 .set msa
275 ld.h $w\wd, \off(\base)
276 .set pop
277 .endm
278
279 .macro ld_w wd, off, base
280 .set push
281 .set mips32r2
282 .set fp=64
283 .set msa
284 ld.w $w\wd, \off(\base)
285 .set pop
286 .endm
287
288 .macro ld_d wd, off, base
289 .set push
290 .set mips32r2
291 .set fp=64
292 .set msa
293 ld.d $w\wd, \off(\base)
294 .set pop
295 .endm
296
297 .macro st_b wd, off, base
298 .set push
299 .set mips32r2
300 .set fp=64
301 .set msa
302 st.b $w\wd, \off(\base)
303 .set pop
304 .endm
305
306 .macro st_h wd, off, base
307 .set push
308 .set mips32r2
309 .set fp=64
310 .set msa
311 st.h $w\wd, \off(\base)
312 .set pop
313 .endm
314
315 .macro st_w wd, off, base
316 .set push
317 .set mips32r2
318 .set fp=64
319 .set msa
320 st.w $w\wd, \off(\base)
321 .set pop
322 .endm
323
324 .macro st_d wd, off, base
325 .set push
326 .set mips32r2
327 .set fp=64
328 .set msa
329 st.d $w\wd, \off(\base)
330 .set pop
331 .endm
332
333 .macro copy_s_w ws, n
334 .set push
335 .set mips32r2
336 .set fp=64
337 .set msa
338 copy_s.w $1, $w\ws[\n]
339 .set pop
340 .endm
341
342 .macro copy_s_d ws, n
343 .set push
344 .set mips64r2
345 .set fp=64
346 .set msa
347 copy_s.d $1, $w\ws[\n]
348 .set pop
349 .endm
350
351 .macro insert_w wd, n
352 .set push
353 .set mips32r2
354 .set fp=64
355 .set msa
356 insert.w $w\wd[\n], $1
357 .set pop
358 .endm
359
360 .macro insert_d wd, n
361 .set push
362 .set mips64r2
363 .set fp=64
364 .set msa
365 insert.d $w\wd[\n], $1
366 .set pop
367 .endm
368#else
369
370 /*
371 * Temporary until all toolchains in use include MSA support.
372 */
373 .macro _cfcmsa rd, cs
374 .set push
375 .set noat
376 SET_HARDFLOAT
377 insn_if_mips 0x787e0059 | (\cs << 11)
378 insn32_if_mm 0x587e0056 | (\cs << 11)
379 move \rd, $1
380 .set pop
381 .endm
382
383 .macro _ctcmsa cd, rs
384 .set push
385 .set noat
386 SET_HARDFLOAT
387 move $1, \rs
388 insn_if_mips 0x783e0819 | (\cd << 6)
389 insn32_if_mm 0x583e0816 | (\cd << 6)
390 .set pop
391 .endm
392
393 .macro ld_b wd, off, base
394 .set push
395 .set noat
396 SET_HARDFLOAT
397 PTR_ADDU $1, \base, \off
398 insn_if_mips 0x78000820 | (\wd << 6)
399 insn32_if_mm 0x58000807 | (\wd << 6)
400 .set pop
401 .endm
402
403 .macro ld_h wd, off, base
404 .set push
405 .set noat
406 SET_HARDFLOAT
407 PTR_ADDU $1, \base, \off
408 insn_if_mips 0x78000821 | (\wd << 6)
409 insn32_if_mm 0x58000817 | (\wd << 6)
410 .set pop
411 .endm
412
413 .macro ld_w wd, off, base
414 .set push
415 .set noat
416 SET_HARDFLOAT
417 PTR_ADDU $1, \base, \off
418 insn_if_mips 0x78000822 | (\wd << 6)
419 insn32_if_mm 0x58000827 | (\wd << 6)
420 .set pop
421 .endm
422
423 .macro ld_d wd, off, base
424 .set push
425 .set noat
426 SET_HARDFLOAT
427 PTR_ADDU $1, \base, \off
428 insn_if_mips 0x78000823 | (\wd << 6)
429 insn32_if_mm 0x58000837 | (\wd << 6)
430 .set pop
431 .endm
432
433 .macro st_b wd, off, base
434 .set push
435 .set noat
436 SET_HARDFLOAT
437 PTR_ADDU $1, \base, \off
438 insn_if_mips 0x78000824 | (\wd << 6)
439 insn32_if_mm 0x5800080f | (\wd << 6)
440 .set pop
441 .endm
442
443 .macro st_h wd, off, base
444 .set push
445 .set noat
446 SET_HARDFLOAT
447 PTR_ADDU $1, \base, \off
448 insn_if_mips 0x78000825 | (\wd << 6)
449 insn32_if_mm 0x5800081f | (\wd << 6)
450 .set pop
451 .endm
452
453 .macro st_w wd, off, base
454 .set push
455 .set noat
456 SET_HARDFLOAT
457 PTR_ADDU $1, \base, \off
458 insn_if_mips 0x78000826 | (\wd << 6)
459 insn32_if_mm 0x5800082f | (\wd << 6)
460 .set pop
461 .endm
462
463 .macro st_d wd, off, base
464 .set push
465 .set noat
466 SET_HARDFLOAT
467 PTR_ADDU $1, \base, \off
468 insn_if_mips 0x78000827 | (\wd << 6)
469 insn32_if_mm 0x5800083f | (\wd << 6)
470 .set pop
471 .endm
472
473 .macro copy_s_w ws, n
474 .set push
475 .set noat
476 SET_HARDFLOAT
477 insn_if_mips 0x78b00059 | (\n << 16) | (\ws << 11)
478 insn32_if_mm 0x58b00056 | (\n << 16) | (\ws << 11)
479 .set pop
480 .endm
481
482 .macro copy_s_d ws, n
483 .set push
484 .set noat
485 SET_HARDFLOAT
486 insn_if_mips 0x78b80059 | (\n << 16) | (\ws << 11)
487 insn32_if_mm 0x58b80056 | (\n << 16) | (\ws << 11)
488 .set pop
489 .endm
490
491 .macro insert_w wd, n
492 .set push
493 .set noat
494 SET_HARDFLOAT
495 insn_if_mips 0x79300819 | (\n << 16) | (\wd << 6)
496 insn32_if_mm 0x59300816 | (\n << 16) | (\wd << 6)
497 .set pop
498 .endm
499
500 .macro insert_d wd, n
501 .set push
502 .set noat
503 SET_HARDFLOAT
504 insn_if_mips 0x79380819 | (\n << 16) | (\wd << 6)
505 insn32_if_mm 0x59380816 | (\n << 16) | (\wd << 6)
506 .set pop
507 .endm
508#endif
509
510#ifdef TOOLCHAIN_SUPPORTS_MSA
511#define FPR_BASE_OFFS THREAD_FPR0
512#define FPR_BASE $1
513#else
514#define FPR_BASE_OFFS 0
515#define FPR_BASE \thread
516#endif
517
518 .macro msa_save_all thread
519 .set push
520 .set noat
521#ifdef TOOLCHAIN_SUPPORTS_MSA
522 PTR_ADDU FPR_BASE, \thread, FPR_BASE_OFFS
523#endif
524 st_d 0, THREAD_FPR0 - FPR_BASE_OFFS, FPR_BASE
525 st_d 1, THREAD_FPR1 - FPR_BASE_OFFS, FPR_BASE
526 st_d 2, THREAD_FPR2 - FPR_BASE_OFFS, FPR_BASE
527 st_d 3, THREAD_FPR3 - FPR_BASE_OFFS, FPR_BASE
528 st_d 4, THREAD_FPR4 - FPR_BASE_OFFS, FPR_BASE
529 st_d 5, THREAD_FPR5 - FPR_BASE_OFFS, FPR_BASE
530 st_d 6, THREAD_FPR6 - FPR_BASE_OFFS, FPR_BASE
531 st_d 7, THREAD_FPR7 - FPR_BASE_OFFS, FPR_BASE
532 st_d 8, THREAD_FPR8 - FPR_BASE_OFFS, FPR_BASE
533 st_d 9, THREAD_FPR9 - FPR_BASE_OFFS, FPR_BASE
534 st_d 10, THREAD_FPR10 - FPR_BASE_OFFS, FPR_BASE
535 st_d 11, THREAD_FPR11 - FPR_BASE_OFFS, FPR_BASE
536 st_d 12, THREAD_FPR12 - FPR_BASE_OFFS, FPR_BASE
537 st_d 13, THREAD_FPR13 - FPR_BASE_OFFS, FPR_BASE
538 st_d 14, THREAD_FPR14 - FPR_BASE_OFFS, FPR_BASE
539 st_d 15, THREAD_FPR15 - FPR_BASE_OFFS, FPR_BASE
540 st_d 16, THREAD_FPR16 - FPR_BASE_OFFS, FPR_BASE
541 st_d 17, THREAD_FPR17 - FPR_BASE_OFFS, FPR_BASE
542 st_d 18, THREAD_FPR18 - FPR_BASE_OFFS, FPR_BASE
543 st_d 19, THREAD_FPR19 - FPR_BASE_OFFS, FPR_BASE
544 st_d 20, THREAD_FPR20 - FPR_BASE_OFFS, FPR_BASE
545 st_d 21, THREAD_FPR21 - FPR_BASE_OFFS, FPR_BASE
546 st_d 22, THREAD_FPR22 - FPR_BASE_OFFS, FPR_BASE
547 st_d 23, THREAD_FPR23 - FPR_BASE_OFFS, FPR_BASE
548 st_d 24, THREAD_FPR24 - FPR_BASE_OFFS, FPR_BASE
549 st_d 25, THREAD_FPR25 - FPR_BASE_OFFS, FPR_BASE
550 st_d 26, THREAD_FPR26 - FPR_BASE_OFFS, FPR_BASE
551 st_d 27, THREAD_FPR27 - FPR_BASE_OFFS, FPR_BASE
552 st_d 28, THREAD_FPR28 - FPR_BASE_OFFS, FPR_BASE
553 st_d 29, THREAD_FPR29 - FPR_BASE_OFFS, FPR_BASE
554 st_d 30, THREAD_FPR30 - FPR_BASE_OFFS, FPR_BASE
555 st_d 31, THREAD_FPR31 - FPR_BASE_OFFS, FPR_BASE
556 SET_HARDFLOAT
557 _cfcmsa $1, MSA_CSR
558 sw $1, THREAD_MSA_CSR(\thread)
559 .set pop
560 .endm
561
562 .macro msa_restore_all thread
563 .set push
564 .set noat
565 SET_HARDFLOAT
566 lw $1, THREAD_MSA_CSR(\thread)
567 _ctcmsa MSA_CSR, $1
568#ifdef TOOLCHAIN_SUPPORTS_MSA
569 PTR_ADDU FPR_BASE, \thread, FPR_BASE_OFFS
570#endif
571 ld_d 0, THREAD_FPR0 - FPR_BASE_OFFS, FPR_BASE
572 ld_d 1, THREAD_FPR1 - FPR_BASE_OFFS, FPR_BASE
573 ld_d 2, THREAD_FPR2 - FPR_BASE_OFFS, FPR_BASE
574 ld_d 3, THREAD_FPR3 - FPR_BASE_OFFS, FPR_BASE
575 ld_d 4, THREAD_FPR4 - FPR_BASE_OFFS, FPR_BASE
576 ld_d 5, THREAD_FPR5 - FPR_BASE_OFFS, FPR_BASE
577 ld_d 6, THREAD_FPR6 - FPR_BASE_OFFS, FPR_BASE
578 ld_d 7, THREAD_FPR7 - FPR_BASE_OFFS, FPR_BASE
579 ld_d 8, THREAD_FPR8 - FPR_BASE_OFFS, FPR_BASE
580 ld_d 9, THREAD_FPR9 - FPR_BASE_OFFS, FPR_BASE
581 ld_d 10, THREAD_FPR10 - FPR_BASE_OFFS, FPR_BASE
582 ld_d 11, THREAD_FPR11 - FPR_BASE_OFFS, FPR_BASE
583 ld_d 12, THREAD_FPR12 - FPR_BASE_OFFS, FPR_BASE
584 ld_d 13, THREAD_FPR13 - FPR_BASE_OFFS, FPR_BASE
585 ld_d 14, THREAD_FPR14 - FPR_BASE_OFFS, FPR_BASE
586 ld_d 15, THREAD_FPR15 - FPR_BASE_OFFS, FPR_BASE
587 ld_d 16, THREAD_FPR16 - FPR_BASE_OFFS, FPR_BASE
588 ld_d 17, THREAD_FPR17 - FPR_BASE_OFFS, FPR_BASE
589 ld_d 18, THREAD_FPR18 - FPR_BASE_OFFS, FPR_BASE
590 ld_d 19, THREAD_FPR19 - FPR_BASE_OFFS, FPR_BASE
591 ld_d 20, THREAD_FPR20 - FPR_BASE_OFFS, FPR_BASE
592 ld_d 21, THREAD_FPR21 - FPR_BASE_OFFS, FPR_BASE
593 ld_d 22, THREAD_FPR22 - FPR_BASE_OFFS, FPR_BASE
594 ld_d 23, THREAD_FPR23 - FPR_BASE_OFFS, FPR_BASE
595 ld_d 24, THREAD_FPR24 - FPR_BASE_OFFS, FPR_BASE
596 ld_d 25, THREAD_FPR25 - FPR_BASE_OFFS, FPR_BASE
597 ld_d 26, THREAD_FPR26 - FPR_BASE_OFFS, FPR_BASE
598 ld_d 27, THREAD_FPR27 - FPR_BASE_OFFS, FPR_BASE
599 ld_d 28, THREAD_FPR28 - FPR_BASE_OFFS, FPR_BASE
600 ld_d 29, THREAD_FPR29 - FPR_BASE_OFFS, FPR_BASE
601 ld_d 30, THREAD_FPR30 - FPR_BASE_OFFS, FPR_BASE
602 ld_d 31, THREAD_FPR31 - FPR_BASE_OFFS, FPR_BASE
603 .set pop
604 .endm
605
606#undef FPR_BASE_OFFS
607#undef FPR_BASE
608
609 .macro msa_init_upper wd
610#ifdef CONFIG_64BIT
611 insert_d \wd, 1
612#else
613 insert_w \wd, 2
614 insert_w \wd, 3
615#endif
616 .endm
617
618 .macro msa_init_all_upper
619 .set push
620 .set noat
621 SET_HARDFLOAT
622 not $1, zero
623 msa_init_upper 0
624 msa_init_upper 1
625 msa_init_upper 2
626 msa_init_upper 3
627 msa_init_upper 4
628 msa_init_upper 5
629 msa_init_upper 6
630 msa_init_upper 7
631 msa_init_upper 8
632 msa_init_upper 9
633 msa_init_upper 10
634 msa_init_upper 11
635 msa_init_upper 12
636 msa_init_upper 13
637 msa_init_upper 14
638 msa_init_upper 15
639 msa_init_upper 16
640 msa_init_upper 17
641 msa_init_upper 18
642 msa_init_upper 19
643 msa_init_upper 20
644 msa_init_upper 21
645 msa_init_upper 22
646 msa_init_upper 23
647 msa_init_upper 24
648 msa_init_upper 25
649 msa_init_upper 26
650 msa_init_upper 27
651 msa_init_upper 28
652 msa_init_upper 29
653 msa_init_upper 30
654 msa_init_upper 31
655 .set pop
656 .endm
657
658#endif /* _ASM_ASMMACRO_H */
1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2003 Ralf Baechle
7 */
8#ifndef _ASM_ASMMACRO_H
9#define _ASM_ASMMACRO_H
10
11#include <asm/hazards.h>
12#include <asm/asm-offsets.h>
13#include <asm/msa.h>
14
15#ifdef CONFIG_32BIT
16#include <asm/asmmacro-32.h>
17#endif
18#ifdef CONFIG_64BIT
19#include <asm/asmmacro-64.h>
20#endif
21
22#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6)
23 .macro local_irq_enable reg=t0
24 ei
25 irq_enable_hazard
26 .endm
27
28 .macro local_irq_disable reg=t0
29 di
30 irq_disable_hazard
31 .endm
32#else
33 .macro local_irq_enable reg=t0
34 mfc0 \reg, CP0_STATUS
35 ori \reg, \reg, 1
36 mtc0 \reg, CP0_STATUS
37 irq_enable_hazard
38 .endm
39
40 .macro local_irq_disable reg=t0
41#ifdef CONFIG_PREEMPT
42 lw \reg, TI_PRE_COUNT($28)
43 addi \reg, \reg, 1
44 sw \reg, TI_PRE_COUNT($28)
45#endif
46 mfc0 \reg, CP0_STATUS
47 ori \reg, \reg, 1
48 xori \reg, \reg, 1
49 mtc0 \reg, CP0_STATUS
50 irq_disable_hazard
51#ifdef CONFIG_PREEMPT
52 lw \reg, TI_PRE_COUNT($28)
53 addi \reg, \reg, -1
54 sw \reg, TI_PRE_COUNT($28)
55#endif
56 .endm
57#endif /* CONFIG_CPU_MIPSR2 */
58
59 .macro fpu_save_16even thread tmp=t0
60 .set push
61 SET_HARDFLOAT
62 cfc1 \tmp, fcr31
63 sdc1 $f0, THREAD_FPR0(\thread)
64 sdc1 $f2, THREAD_FPR2(\thread)
65 sdc1 $f4, THREAD_FPR4(\thread)
66 sdc1 $f6, THREAD_FPR6(\thread)
67 sdc1 $f8, THREAD_FPR8(\thread)
68 sdc1 $f10, THREAD_FPR10(\thread)
69 sdc1 $f12, THREAD_FPR12(\thread)
70 sdc1 $f14, THREAD_FPR14(\thread)
71 sdc1 $f16, THREAD_FPR16(\thread)
72 sdc1 $f18, THREAD_FPR18(\thread)
73 sdc1 $f20, THREAD_FPR20(\thread)
74 sdc1 $f22, THREAD_FPR22(\thread)
75 sdc1 $f24, THREAD_FPR24(\thread)
76 sdc1 $f26, THREAD_FPR26(\thread)
77 sdc1 $f28, THREAD_FPR28(\thread)
78 sdc1 $f30, THREAD_FPR30(\thread)
79 sw \tmp, THREAD_FCR31(\thread)
80 .set pop
81 .endm
82
83 .macro fpu_save_16odd thread
84 .set push
85 .set mips64r2
86 SET_HARDFLOAT
87 sdc1 $f1, THREAD_FPR1(\thread)
88 sdc1 $f3, THREAD_FPR3(\thread)
89 sdc1 $f5, THREAD_FPR5(\thread)
90 sdc1 $f7, THREAD_FPR7(\thread)
91 sdc1 $f9, THREAD_FPR9(\thread)
92 sdc1 $f11, THREAD_FPR11(\thread)
93 sdc1 $f13, THREAD_FPR13(\thread)
94 sdc1 $f15, THREAD_FPR15(\thread)
95 sdc1 $f17, THREAD_FPR17(\thread)
96 sdc1 $f19, THREAD_FPR19(\thread)
97 sdc1 $f21, THREAD_FPR21(\thread)
98 sdc1 $f23, THREAD_FPR23(\thread)
99 sdc1 $f25, THREAD_FPR25(\thread)
100 sdc1 $f27, THREAD_FPR27(\thread)
101 sdc1 $f29, THREAD_FPR29(\thread)
102 sdc1 $f31, THREAD_FPR31(\thread)
103 .set pop
104 .endm
105
106 .macro fpu_save_double thread status tmp
107#if defined(CONFIG_64BIT) || defined(CONFIG_CPU_MIPS32_R2) || \
108 defined(CONFIG_CPU_MIPS32_R6)
109 sll \tmp, \status, 5
110 bgez \tmp, 10f
111 fpu_save_16odd \thread
11210:
113#endif
114 fpu_save_16even \thread \tmp
115 .endm
116
117 .macro fpu_restore_16even thread tmp=t0
118 .set push
119 SET_HARDFLOAT
120 lw \tmp, THREAD_FCR31(\thread)
121 ldc1 $f0, THREAD_FPR0(\thread)
122 ldc1 $f2, THREAD_FPR2(\thread)
123 ldc1 $f4, THREAD_FPR4(\thread)
124 ldc1 $f6, THREAD_FPR6(\thread)
125 ldc1 $f8, THREAD_FPR8(\thread)
126 ldc1 $f10, THREAD_FPR10(\thread)
127 ldc1 $f12, THREAD_FPR12(\thread)
128 ldc1 $f14, THREAD_FPR14(\thread)
129 ldc1 $f16, THREAD_FPR16(\thread)
130 ldc1 $f18, THREAD_FPR18(\thread)
131 ldc1 $f20, THREAD_FPR20(\thread)
132 ldc1 $f22, THREAD_FPR22(\thread)
133 ldc1 $f24, THREAD_FPR24(\thread)
134 ldc1 $f26, THREAD_FPR26(\thread)
135 ldc1 $f28, THREAD_FPR28(\thread)
136 ldc1 $f30, THREAD_FPR30(\thread)
137 ctc1 \tmp, fcr31
138 .endm
139
140 .macro fpu_restore_16odd thread
141 .set push
142 .set mips64r2
143 SET_HARDFLOAT
144 ldc1 $f1, THREAD_FPR1(\thread)
145 ldc1 $f3, THREAD_FPR3(\thread)
146 ldc1 $f5, THREAD_FPR5(\thread)
147 ldc1 $f7, THREAD_FPR7(\thread)
148 ldc1 $f9, THREAD_FPR9(\thread)
149 ldc1 $f11, THREAD_FPR11(\thread)
150 ldc1 $f13, THREAD_FPR13(\thread)
151 ldc1 $f15, THREAD_FPR15(\thread)
152 ldc1 $f17, THREAD_FPR17(\thread)
153 ldc1 $f19, THREAD_FPR19(\thread)
154 ldc1 $f21, THREAD_FPR21(\thread)
155 ldc1 $f23, THREAD_FPR23(\thread)
156 ldc1 $f25, THREAD_FPR25(\thread)
157 ldc1 $f27, THREAD_FPR27(\thread)
158 ldc1 $f29, THREAD_FPR29(\thread)
159 ldc1 $f31, THREAD_FPR31(\thread)
160 .set pop
161 .endm
162
163 .macro fpu_restore_double thread status tmp
164#if defined(CONFIG_64BIT) || defined(CONFIG_CPU_MIPS32_R2) || \
165 defined(CONFIG_CPU_MIPS32_R6)
166 sll \tmp, \status, 5
167 bgez \tmp, 10f # 16 register mode?
168
169 fpu_restore_16odd \thread
17010:
171#endif
172 fpu_restore_16even \thread \tmp
173 .endm
174
175#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6)
176 .macro _EXT rd, rs, p, s
177 ext \rd, \rs, \p, \s
178 .endm
179#else /* !CONFIG_CPU_MIPSR2 || !CONFIG_CPU_MIPSR6 */
180 .macro _EXT rd, rs, p, s
181 srl \rd, \rs, \p
182 andi \rd, \rd, (1 << \s) - 1
183 .endm
184#endif /* !CONFIG_CPU_MIPSR2 || !CONFIG_CPU_MIPSR6 */
185
186/*
187 * Temporary until all gas have MT ASE support
188 */
189 .macro DMT reg=0
190 .word 0x41600bc1 | (\reg << 16)
191 .endm
192
193 .macro EMT reg=0
194 .word 0x41600be1 | (\reg << 16)
195 .endm
196
197 .macro DVPE reg=0
198 .word 0x41600001 | (\reg << 16)
199 .endm
200
201 .macro EVPE reg=0
202 .word 0x41600021 | (\reg << 16)
203 .endm
204
205 .macro MFTR rt=0, rd=0, u=0, sel=0
206 .word 0x41000000 | (\rt << 16) | (\rd << 11) | (\u << 5) | (\sel)
207 .endm
208
209 .macro MTTR rt=0, rd=0, u=0, sel=0
210 .word 0x41800000 | (\rt << 16) | (\rd << 11) | (\u << 5) | (\sel)
211 .endm
212
213#ifdef TOOLCHAIN_SUPPORTS_MSA
214/* preprocessor replaces the fp in ".set fp=64" with $30 otherwise */
215#undef fp
216
217 .macro _cfcmsa rd, cs
218 .set push
219 .set mips32r2
220 .set fp=64
221 .set msa
222 cfcmsa \rd, $\cs
223 .set pop
224 .endm
225
226 .macro _ctcmsa cd, rs
227 .set push
228 .set mips32r2
229 .set fp=64
230 .set msa
231 ctcmsa $\cd, \rs
232 .set pop
233 .endm
234
235 .macro ld_b wd, off, base
236 .set push
237 .set mips32r2
238 .set msa
239 ld.b $w\wd, \off(\base)
240 .set pop
241 .endm
242
243 .macro ld_h wd, off, base
244 .set push
245 .set mips32r2
246 .set msa
247 ld.h $w\wd, \off(\base)
248 .set pop
249 .endm
250
251 .macro ld_w wd, off, base
252 .set push
253 .set mips32r2
254 .set msa
255 ld.w $w\wd, \off(\base)
256 .set pop
257 .endm
258
259 .macro ld_d wd, off, base
260 .set push
261 .set mips32r2
262 .set fp=64
263 .set msa
264 ld.d $w\wd, \off(\base)
265 .set pop
266 .endm
267
268 .macro st_b wd, off, base
269 .set push
270 .set mips32r2
271 .set msa
272 st.b $w\wd, \off(\base)
273 .set pop
274 .endm
275
276 .macro st_h wd, off, base
277 .set push
278 .set mips32r2
279 .set msa
280 st.h $w\wd, \off(\base)
281 .set pop
282 .endm
283
284 .macro st_w wd, off, base
285 .set push
286 .set mips32r2
287 .set msa
288 st.w $w\wd, \off(\base)
289 .set pop
290 .endm
291
292 .macro st_d wd, off, base
293 .set push
294 .set mips32r2
295 .set fp=64
296 .set msa
297 st.d $w\wd, \off(\base)
298 .set pop
299 .endm
300
301 .macro copy_u_w ws, n
302 .set push
303 .set mips32r2
304 .set fp=64
305 .set msa
306 copy_u.w $1, $w\ws[\n]
307 .set pop
308 .endm
309
310 .macro copy_u_d ws, n
311 .set push
312 .set mips64r2
313 .set fp=64
314 .set msa
315 copy_u.d $1, $w\ws[\n]
316 .set pop
317 .endm
318
319 .macro insert_w wd, n
320 .set push
321 .set mips32r2
322 .set fp=64
323 .set msa
324 insert.w $w\wd[\n], $1
325 .set pop
326 .endm
327
328 .macro insert_d wd, n
329 .set push
330 .set mips64r2
331 .set fp=64
332 .set msa
333 insert.d $w\wd[\n], $1
334 .set pop
335 .endm
336#else
337
338#ifdef CONFIG_CPU_MICROMIPS
339#define CFC_MSA_INSN 0x587e0056
340#define CTC_MSA_INSN 0x583e0816
341#define LDB_MSA_INSN 0x58000807
342#define LDH_MSA_INSN 0x58000817
343#define LDW_MSA_INSN 0x58000827
344#define LDD_MSA_INSN 0x58000837
345#define STB_MSA_INSN 0x5800080f
346#define STH_MSA_INSN 0x5800081f
347#define STW_MSA_INSN 0x5800082f
348#define STD_MSA_INSN 0x5800083f
349#define COPY_UW_MSA_INSN 0x58f00056
350#define COPY_UD_MSA_INSN 0x58f80056
351#define INSERT_W_MSA_INSN 0x59300816
352#define INSERT_D_MSA_INSN 0x59380816
353#else
354#define CFC_MSA_INSN 0x787e0059
355#define CTC_MSA_INSN 0x783e0819
356#define LDB_MSA_INSN 0x78000820
357#define LDH_MSA_INSN 0x78000821
358#define LDW_MSA_INSN 0x78000822
359#define LDD_MSA_INSN 0x78000823
360#define STB_MSA_INSN 0x78000824
361#define STH_MSA_INSN 0x78000825
362#define STW_MSA_INSN 0x78000826
363#define STD_MSA_INSN 0x78000827
364#define COPY_UW_MSA_INSN 0x78f00059
365#define COPY_UD_MSA_INSN 0x78f80059
366#define INSERT_W_MSA_INSN 0x79300819
367#define INSERT_D_MSA_INSN 0x79380819
368#endif
369
370 /*
371 * Temporary until all toolchains in use include MSA support.
372 */
373 .macro _cfcmsa rd, cs
374 .set push
375 .set noat
376 SET_HARDFLOAT
377 .insn
378 .word CFC_MSA_INSN | (\cs << 11)
379 move \rd, $1
380 .set pop
381 .endm
382
383 .macro _ctcmsa cd, rs
384 .set push
385 .set noat
386 SET_HARDFLOAT
387 move $1, \rs
388 .word CTC_MSA_INSN | (\cd << 6)
389 .set pop
390 .endm
391
392 .macro ld_b wd, off, base
393 .set push
394 .set noat
395 SET_HARDFLOAT
396 addu $1, \base, \off
397 .word LDB_MSA_INSN | (\wd << 6)
398 .set pop
399 .endm
400
401 .macro ld_h wd, off, base
402 .set push
403 .set noat
404 SET_HARDFLOAT
405 addu $1, \base, \off
406 .word LDH_MSA_INSN | (\wd << 6)
407 .set pop
408 .endm
409
410 .macro ld_w wd, off, base
411 .set push
412 .set noat
413 SET_HARDFLOAT
414 addu $1, \base, \off
415 .word LDW_MSA_INSN | (\wd << 6)
416 .set pop
417 .endm
418
419 .macro ld_d wd, off, base
420 .set push
421 .set noat
422 SET_HARDFLOAT
423 addu $1, \base, \off
424 .word LDD_MSA_INSN | (\wd << 6)
425 .set pop
426 .endm
427
428 .macro st_b wd, off, base
429 .set push
430 .set noat
431 SET_HARDFLOAT
432 addu $1, \base, \off
433 .word STB_MSA_INSN | (\wd << 6)
434 .set pop
435 .endm
436
437 .macro st_h wd, off, base
438 .set push
439 .set noat
440 SET_HARDFLOAT
441 addu $1, \base, \off
442 .word STH_MSA_INSN | (\wd << 6)
443 .set pop
444 .endm
445
446 .macro st_w wd, off, base
447 .set push
448 .set noat
449 SET_HARDFLOAT
450 addu $1, \base, \off
451 .word STW_MSA_INSN | (\wd << 6)
452 .set pop
453 .endm
454
455 .macro st_d wd, off, base
456 .set push
457 .set noat
458 SET_HARDFLOAT
459 addu $1, \base, \off
460 .word STD_MSA_INSN | (\wd << 6)
461 .set pop
462 .endm
463
464 .macro copy_u_w ws, n
465 .set push
466 .set noat
467 SET_HARDFLOAT
468 .insn
469 .word COPY_UW_MSA_INSN | (\n << 16) | (\ws << 11)
470 .set pop
471 .endm
472
473 .macro copy_u_d ws, n
474 .set push
475 .set noat
476 SET_HARDFLOAT
477 .insn
478 .word COPY_UD_MSA_INSN | (\n << 16) | (\ws << 11)
479 .set pop
480 .endm
481
482 .macro insert_w wd, n
483 .set push
484 .set noat
485 SET_HARDFLOAT
486 .word INSERT_W_MSA_INSN | (\n << 16) | (\wd << 6)
487 .set pop
488 .endm
489
490 .macro insert_d wd, n
491 .set push
492 .set noat
493 SET_HARDFLOAT
494 .word INSERT_D_MSA_INSN | (\n << 16) | (\wd << 6)
495 .set pop
496 .endm
497#endif
498
499 .macro msa_save_all thread
500 st_d 0, THREAD_FPR0, \thread
501 st_d 1, THREAD_FPR1, \thread
502 st_d 2, THREAD_FPR2, \thread
503 st_d 3, THREAD_FPR3, \thread
504 st_d 4, THREAD_FPR4, \thread
505 st_d 5, THREAD_FPR5, \thread
506 st_d 6, THREAD_FPR6, \thread
507 st_d 7, THREAD_FPR7, \thread
508 st_d 8, THREAD_FPR8, \thread
509 st_d 9, THREAD_FPR9, \thread
510 st_d 10, THREAD_FPR10, \thread
511 st_d 11, THREAD_FPR11, \thread
512 st_d 12, THREAD_FPR12, \thread
513 st_d 13, THREAD_FPR13, \thread
514 st_d 14, THREAD_FPR14, \thread
515 st_d 15, THREAD_FPR15, \thread
516 st_d 16, THREAD_FPR16, \thread
517 st_d 17, THREAD_FPR17, \thread
518 st_d 18, THREAD_FPR18, \thread
519 st_d 19, THREAD_FPR19, \thread
520 st_d 20, THREAD_FPR20, \thread
521 st_d 21, THREAD_FPR21, \thread
522 st_d 22, THREAD_FPR22, \thread
523 st_d 23, THREAD_FPR23, \thread
524 st_d 24, THREAD_FPR24, \thread
525 st_d 25, THREAD_FPR25, \thread
526 st_d 26, THREAD_FPR26, \thread
527 st_d 27, THREAD_FPR27, \thread
528 st_d 28, THREAD_FPR28, \thread
529 st_d 29, THREAD_FPR29, \thread
530 st_d 30, THREAD_FPR30, \thread
531 st_d 31, THREAD_FPR31, \thread
532 .set push
533 .set noat
534 SET_HARDFLOAT
535 _cfcmsa $1, MSA_CSR
536 sw $1, THREAD_MSA_CSR(\thread)
537 .set pop
538 .endm
539
540 .macro msa_restore_all thread
541 .set push
542 .set noat
543 SET_HARDFLOAT
544 lw $1, THREAD_MSA_CSR(\thread)
545 _ctcmsa MSA_CSR, $1
546 .set pop
547 ld_d 0, THREAD_FPR0, \thread
548 ld_d 1, THREAD_FPR1, \thread
549 ld_d 2, THREAD_FPR2, \thread
550 ld_d 3, THREAD_FPR3, \thread
551 ld_d 4, THREAD_FPR4, \thread
552 ld_d 5, THREAD_FPR5, \thread
553 ld_d 6, THREAD_FPR6, \thread
554 ld_d 7, THREAD_FPR7, \thread
555 ld_d 8, THREAD_FPR8, \thread
556 ld_d 9, THREAD_FPR9, \thread
557 ld_d 10, THREAD_FPR10, \thread
558 ld_d 11, THREAD_FPR11, \thread
559 ld_d 12, THREAD_FPR12, \thread
560 ld_d 13, THREAD_FPR13, \thread
561 ld_d 14, THREAD_FPR14, \thread
562 ld_d 15, THREAD_FPR15, \thread
563 ld_d 16, THREAD_FPR16, \thread
564 ld_d 17, THREAD_FPR17, \thread
565 ld_d 18, THREAD_FPR18, \thread
566 ld_d 19, THREAD_FPR19, \thread
567 ld_d 20, THREAD_FPR20, \thread
568 ld_d 21, THREAD_FPR21, \thread
569 ld_d 22, THREAD_FPR22, \thread
570 ld_d 23, THREAD_FPR23, \thread
571 ld_d 24, THREAD_FPR24, \thread
572 ld_d 25, THREAD_FPR25, \thread
573 ld_d 26, THREAD_FPR26, \thread
574 ld_d 27, THREAD_FPR27, \thread
575 ld_d 28, THREAD_FPR28, \thread
576 ld_d 29, THREAD_FPR29, \thread
577 ld_d 30, THREAD_FPR30, \thread
578 ld_d 31, THREAD_FPR31, \thread
579 .endm
580
581 .macro msa_init_upper wd
582#ifdef CONFIG_64BIT
583 insert_d \wd, 1
584#else
585 insert_w \wd, 2
586 insert_w \wd, 3
587#endif
588 .endm
589
590 .macro msa_init_all_upper
591 .set push
592 .set noat
593 SET_HARDFLOAT
594 not $1, zero
595 msa_init_upper 0
596 msa_init_upper 1
597 msa_init_upper 2
598 msa_init_upper 3
599 msa_init_upper 4
600 msa_init_upper 5
601 msa_init_upper 6
602 msa_init_upper 7
603 msa_init_upper 8
604 msa_init_upper 9
605 msa_init_upper 10
606 msa_init_upper 11
607 msa_init_upper 12
608 msa_init_upper 13
609 msa_init_upper 14
610 msa_init_upper 15
611 msa_init_upper 16
612 msa_init_upper 17
613 msa_init_upper 18
614 msa_init_upper 19
615 msa_init_upper 20
616 msa_init_upper 21
617 msa_init_upper 22
618 msa_init_upper 23
619 msa_init_upper 24
620 msa_init_upper 25
621 msa_init_upper 26
622 msa_init_upper 27
623 msa_init_upper 28
624 msa_init_upper 29
625 msa_init_upper 30
626 msa_init_upper 31
627 .set pop
628 .endm
629
630#endif /* _ASM_ASMMACRO_H */