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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  * A small micro-assembler. It is intentionally kept simple, does only
7  * support a subset of instructions, and does not try to hide pipeline
8  * effects like branch delay slots.
9  *
10  * Copyright (C) 2004, 2005, 2006, 2008  Thiemo Seufer
11  * Copyright (C) 2005, 2007  Maciej W. Rozycki
12  * Copyright (C) 2006  Ralf Baechle (ralf@linux-mips.org)
13  * Copyright (C) 2012, 2013  MIPS Technologies, Inc.  All rights reserved.
14  */
15
16 enum fields {
17         RS = 0x001,
18         RT = 0x002,
19         RD = 0x004,
20         RE = 0x008,
21         SIMM = 0x010,
22         UIMM = 0x020,
23         BIMM = 0x040,
24         JIMM = 0x080,
25         FUNC = 0x100,
26         SET = 0x200,
27         SCIMM = 0x400,
28         SIMM9 = 0x800,
29 };
30
31 #define OP_MASK         0x3f
32 #define OP_SH           26
33 #define RD_MASK         0x1f
34 #define RD_SH           11
35 #define RE_MASK         0x1f
36 #define RE_SH           6
37 #define IMM_MASK        0xffff
38 #define IMM_SH          0
39 #define JIMM_MASK       0x3ffffff
40 #define JIMM_SH         0
41 #define FUNC_MASK       0x3f
42 #define FUNC_SH         0
43 #define SET_MASK        0x7
44 #define SET_SH          0
45 #define SIMM9_SH        7
46 #define SIMM9_MASK      0x1ff
47
48 enum opcode {
49         insn_invalid,
50         insn_addiu, insn_addu, insn_and, insn_andi, insn_bbit0, insn_bbit1,
51         insn_beq, insn_beql, insn_bgez, insn_bgezl, insn_bltz, insn_bltzl,
52         insn_bne, insn_cache, insn_cfc1, insn_cfcmsa, insn_ctc1, insn_ctcmsa,
53         insn_daddiu, insn_daddu, insn_dins, insn_dinsm, insn_divu, insn_dmfc0,
54         insn_dmtc0, insn_drotr, insn_drotr32, insn_dsll, insn_dsll32, insn_dsra,
55         insn_dsrl, insn_dsrl32, insn_dsubu, insn_eret, insn_ext, insn_ins,
56         insn_j, insn_jal, insn_jalr, insn_jr, insn_lb, insn_ld, insn_ldx,
57         insn_lh, insn_ll, insn_lld, insn_lui, insn_lw, insn_lwx, insn_mfc0,
58         insn_mfhc0, insn_mfhi, insn_mflo, insn_mtc0, insn_mthc0, insn_mul,
59         insn_or, insn_ori, insn_pref, insn_rfe, insn_rotr, insn_sc, insn_scd,
60         insn_sd, insn_sll, insn_sllv, insn_slt, insn_sltiu, insn_sltu, insn_sra,
61         insn_srl, insn_srlv, insn_subu, insn_sw, insn_sync, insn_syscall,
62         insn_tlbp, insn_tlbr, insn_tlbwi, insn_tlbwr, insn_wait, insn_wsbh,
63         insn_xor, insn_xori, insn_yield, insn_lddir, insn_ldpte,
64 };
65
66 struct insn {
67         enum opcode opcode;
68         u32 match;
69         enum fields fields;
70 };
71
72 static inline u32 build_rs(u32 arg)
73 {
74         WARN(arg & ~RS_MASK, KERN_WARNING "Micro-assembler field overflow\n");
75
76         return (arg & RS_MASK) << RS_SH;
77 }
78
79 static inline u32 build_rt(u32 arg)
80 {
81         WARN(arg & ~RT_MASK, KERN_WARNING "Micro-assembler field overflow\n");
82
83         return (arg & RT_MASK) << RT_SH;
84 }
85
86 static inline u32 build_rd(u32 arg)
87 {
88         WARN(arg & ~RD_MASK, KERN_WARNING "Micro-assembler field overflow\n");
89
90         return (arg & RD_MASK) << RD_SH;
91 }
92
93 static inline u32 build_re(u32 arg)
94 {
95         WARN(arg & ~RE_MASK, KERN_WARNING "Micro-assembler field overflow\n");
96
97         return (arg & RE_MASK) << RE_SH;
98 }
99
100 static inline u32 build_simm(s32 arg)
101 {
102         WARN(arg > 0x7fff || arg < -0x8000,
103              KERN_WARNING "Micro-assembler field overflow\n");
104
105         return arg & 0xffff;
106 }
107
108 static inline u32 build_uimm(u32 arg)
109 {
110         WARN(arg & ~IMM_MASK, KERN_WARNING "Micro-assembler field overflow\n");
111
112         return arg & IMM_MASK;
113 }
114
115 static inline u32 build_scimm(u32 arg)
116 {
117         WARN(arg & ~SCIMM_MASK,
118              KERN_WARNING "Micro-assembler field overflow\n");
119
120         return (arg & SCIMM_MASK) << SCIMM_SH;
121 }
122
123 static inline u32 build_scimm9(s32 arg)
124 {
125         WARN((arg > 0xff || arg < -0x100),
126                KERN_WARNING "Micro-assembler field overflow\n");
127
128         return (arg & SIMM9_MASK) << SIMM9_SH;
129 }
130
131 static inline u32 build_func(u32 arg)
132 {
133         WARN(arg & ~FUNC_MASK, KERN_WARNING "Micro-assembler field overflow\n");
134
135         return arg & FUNC_MASK;
136 }
137
138 static inline u32 build_set(u32 arg)
139 {
140         WARN(arg & ~SET_MASK, KERN_WARNING "Micro-assembler field overflow\n");
141
142         return arg & SET_MASK;
143 }
144
145 static void build_insn(u32 **buf, enum opcode opc, ...);
146
147 #define I_u1u2u3(op)                                    \
148 Ip_u1u2u3(op)                                           \
149 {                                                       \
150         build_insn(buf, insn##op, a, b, c);             \
151 }                                                       \
152 UASM_EXPORT_SYMBOL(uasm_i##op);
153
154 #define I_s3s1s2(op)                                    \
155 Ip_s3s1s2(op)                                           \
156 {                                                       \
157         build_insn(buf, insn##op, b, c, a);             \
158 }                                                       \
159 UASM_EXPORT_SYMBOL(uasm_i##op);
160
161 #define I_u2u1u3(op)                                    \
162 Ip_u2u1u3(op)                                           \
163 {                                                       \
164         build_insn(buf, insn##op, b, a, c);             \
165 }                                                       \
166 UASM_EXPORT_SYMBOL(uasm_i##op);
167
168 #define I_u3u2u1(op)                                    \
169 Ip_u3u2u1(op)                                           \
170 {                                                       \
171         build_insn(buf, insn##op, c, b, a);             \
172 }                                                       \
173 UASM_EXPORT_SYMBOL(uasm_i##op);
174
175 #define I_u3u1u2(op)                                    \
176 Ip_u3u1u2(op)                                           \
177 {                                                       \
178         build_insn(buf, insn##op, b, c, a);             \
179 }                                                       \
180 UASM_EXPORT_SYMBOL(uasm_i##op);
181
182 #define I_u1u2s3(op)                                    \
183 Ip_u1u2s3(op)                                           \
184 {                                                       \
185         build_insn(buf, insn##op, a, b, c);             \
186 }                                                       \
187 UASM_EXPORT_SYMBOL(uasm_i##op);
188
189 #define I_u2s3u1(op)                                    \
190 Ip_u2s3u1(op)                                           \
191 {                                                       \
192         build_insn(buf, insn##op, c, a, b);             \
193 }                                                       \
194 UASM_EXPORT_SYMBOL(uasm_i##op);
195
196 #define I_u2u1s3(op)                                    \
197 Ip_u2u1s3(op)                                           \
198 {                                                       \
199         build_insn(buf, insn##op, b, a, c);             \
200 }                                                       \
201 UASM_EXPORT_SYMBOL(uasm_i##op);
202
203 #define I_u2u1msbu3(op)                                 \
204 Ip_u2u1msbu3(op)                                        \
205 {                                                       \
206         build_insn(buf, insn##op, b, a, c+d-1, c);      \
207 }                                                       \
208 UASM_EXPORT_SYMBOL(uasm_i##op);
209
210 #define I_u2u1msb32u3(op)                               \
211 Ip_u2u1msbu3(op)                                        \
212 {                                                       \
213         build_insn(buf, insn##op, b, a, c+d-33, c);     \
214 }                                                       \
215 UASM_EXPORT_SYMBOL(uasm_i##op);
216
217 #define I_u2u1msbdu3(op)                                \
218 Ip_u2u1msbu3(op)                                        \
219 {                                                       \
220         build_insn(buf, insn##op, b, a, d-1, c);        \
221 }                                                       \
222 UASM_EXPORT_SYMBOL(uasm_i##op);
223
224 #define I_u1u2(op)                                      \
225 Ip_u1u2(op)                                             \
226 {                                                       \
227         build_insn(buf, insn##op, a, b);                \
228 }                                                       \
229 UASM_EXPORT_SYMBOL(uasm_i##op);
230
231 #define I_u2u1(op)                                      \
232 Ip_u1u2(op)                                             \
233 {                                                       \
234         build_insn(buf, insn##op, b, a);                \
235 }                                                       \
236 UASM_EXPORT_SYMBOL(uasm_i##op);
237
238 #define I_u1s2(op)                                      \
239 Ip_u1s2(op)                                             \
240 {                                                       \
241         build_insn(buf, insn##op, a, b);                \
242 }                                                       \
243 UASM_EXPORT_SYMBOL(uasm_i##op);
244
245 #define I_u1(op)                                        \
246 Ip_u1(op)                                               \
247 {                                                       \
248         build_insn(buf, insn##op, a);                   \
249 }                                                       \
250 UASM_EXPORT_SYMBOL(uasm_i##op);
251
252 #define I_0(op)                                         \
253 Ip_0(op)                                                \
254 {                                                       \
255         build_insn(buf, insn##op);                      \
256 }                                                       \
257 UASM_EXPORT_SYMBOL(uasm_i##op);
258
259 I_u2u1s3(_addiu)
260 I_u3u1u2(_addu)
261 I_u2u1u3(_andi)
262 I_u3u1u2(_and)
263 I_u1u2s3(_beq)
264 I_u1u2s3(_beql)
265 I_u1s2(_bgez)
266 I_u1s2(_bgezl)
267 I_u1s2(_bltz)
268 I_u1s2(_bltzl)
269 I_u1u2s3(_bne)
270 I_u2s3u1(_cache)
271 I_u1u2(_cfc1)
272 I_u2u1(_cfcmsa)
273 I_u1u2(_ctc1)
274 I_u2u1(_ctcmsa)
275 I_u1u2u3(_dmfc0)
276 I_u1u2u3(_dmtc0)
277 I_u2u1s3(_daddiu)
278 I_u3u1u2(_daddu)
279 I_u1u2(_divu)
280 I_u2u1u3(_dsll)
281 I_u2u1u3(_dsll32)
282 I_u2u1u3(_dsra)
283 I_u2u1u3(_dsrl)
284 I_u2u1u3(_dsrl32)
285 I_u2u1u3(_drotr)
286 I_u2u1u3(_drotr32)
287 I_u3u1u2(_dsubu)
288 I_0(_eret)
289 I_u2u1msbdu3(_ext)
290 I_u2u1msbu3(_ins)
291 I_u1(_j)
292 I_u1(_jal)
293 I_u2u1(_jalr)
294 I_u1(_jr)
295 I_u2s3u1(_lb)
296 I_u2s3u1(_ld)
297 I_u2s3u1(_lh)
298 I_u2s3u1(_ll)
299 I_u2s3u1(_lld)
300 I_u1s2(_lui)
301 I_u2s3u1(_lw)
302 I_u1u2u3(_mfc0)
303 I_u1u2u3(_mfhc0)
304 I_u1(_mfhi)
305 I_u1(_mflo)
306 I_u1u2u3(_mtc0)
307 I_u1u2u3(_mthc0)
308 I_u3u1u2(_mul)
309 I_u2u1u3(_ori)
310 I_u3u1u2(_or)
311 I_0(_rfe)
312 I_u2s3u1(_sc)
313 I_u2s3u1(_scd)
314 I_u2s3u1(_sd)
315 I_u2u1u3(_sll)
316 I_u3u2u1(_sllv)
317 I_s3s1s2(_slt)
318 I_u2u1s3(_sltiu)
319 I_u3u1u2(_sltu)
320 I_u2u1u3(_sra)
321 I_u2u1u3(_srl)
322 I_u3u2u1(_srlv)
323 I_u2u1u3(_rotr)
324 I_u3u1u2(_subu)
325 I_u2s3u1(_sw)
326 I_u1(_sync)
327 I_0(_tlbp)
328 I_0(_tlbr)
329 I_0(_tlbwi)
330 I_0(_tlbwr)
331 I_u1(_wait);
332 I_u2u1(_wsbh)
333 I_u3u1u2(_xor)
334 I_u2u1u3(_xori)
335 I_u2u1(_yield)
336 I_u2u1msbu3(_dins);
337 I_u2u1msb32u3(_dinsm);
338 I_u1(_syscall);
339 I_u1u2s3(_bbit0);
340 I_u1u2s3(_bbit1);
341 I_u3u1u2(_lwx)
342 I_u3u1u2(_ldx)
343 I_u1u2(_ldpte)
344 I_u2u1u3(_lddir)
345
346 #ifdef CONFIG_CPU_CAVIUM_OCTEON
347 #include <asm/octeon/octeon.h>
348 void ISAFUNC(uasm_i_pref)(u32 **buf, unsigned int a, signed int b,
349                             unsigned int c)
350 {
351         if (CAVIUM_OCTEON_DCACHE_PREFETCH_WAR && a <= 24 && a != 5)
352                 /*
353                  * As per erratum Core-14449, replace prefetches 0-4,
354                  * 6-24 with 'pref 28'.
355                  */
356                 build_insn(buf, insn_pref, c, 28, b);
357         else
358                 build_insn(buf, insn_pref, c, a, b);
359 }
360 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_i_pref));
361 #else
362 I_u2s3u1(_pref)
363 #endif
364
365 /* Handle labels. */
366 void ISAFUNC(uasm_build_label)(struct uasm_label **lab, u32 *addr, int lid)
367 {
368         (*lab)->addr = addr;
369         (*lab)->lab = lid;
370         (*lab)++;
371 }
372 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_build_label));
373
374 int ISAFUNC(uasm_in_compat_space_p)(long addr)
375 {
376         /* Is this address in 32bit compat space? */
377 #ifdef CONFIG_64BIT
378         return (((addr) & 0xffffffff00000000L) == 0xffffffff00000000L);
379 #else
380         return 1;
381 #endif
382 }
383 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_in_compat_space_p));
384
385 static int uasm_rel_highest(long val)
386 {
387 #ifdef CONFIG_64BIT
388         return ((((val + 0x800080008000L) >> 48) & 0xffff) ^ 0x8000) - 0x8000;
389 #else
390         return 0;
391 #endif
392 }
393
394 static int uasm_rel_higher(long val)
395 {
396 #ifdef CONFIG_64BIT
397         return ((((val + 0x80008000L) >> 32) & 0xffff) ^ 0x8000) - 0x8000;
398 #else
399         return 0;
400 #endif
401 }
402
403 int ISAFUNC(uasm_rel_hi)(long val)
404 {
405         return ((((val + 0x8000L) >> 16) & 0xffff) ^ 0x8000) - 0x8000;
406 }
407 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_rel_hi));
408
409 int ISAFUNC(uasm_rel_lo)(long val)
410 {
411         return ((val & 0xffff) ^ 0x8000) - 0x8000;
412 }
413 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_rel_lo));
414
415 void ISAFUNC(UASM_i_LA_mostly)(u32 **buf, unsigned int rs, long addr)
416 {
417         if (!ISAFUNC(uasm_in_compat_space_p)(addr)) {
418                 ISAFUNC(uasm_i_lui)(buf, rs, uasm_rel_highest(addr));
419                 if (uasm_rel_higher(addr))
420                         ISAFUNC(uasm_i_daddiu)(buf, rs, rs, uasm_rel_higher(addr));
421                 if (ISAFUNC(uasm_rel_hi(addr))) {
422                         ISAFUNC(uasm_i_dsll)(buf, rs, rs, 16);
423                         ISAFUNC(uasm_i_daddiu)(buf, rs, rs,
424                                         ISAFUNC(uasm_rel_hi)(addr));
425                         ISAFUNC(uasm_i_dsll)(buf, rs, rs, 16);
426                 } else
427                         ISAFUNC(uasm_i_dsll32)(buf, rs, rs, 0);
428         } else
429                 ISAFUNC(uasm_i_lui)(buf, rs, ISAFUNC(uasm_rel_hi(addr)));
430 }
431 UASM_EXPORT_SYMBOL(ISAFUNC(UASM_i_LA_mostly));
432
433 void ISAFUNC(UASM_i_LA)(u32 **buf, unsigned int rs, long addr)
434 {
435         ISAFUNC(UASM_i_LA_mostly)(buf, rs, addr);
436         if (ISAFUNC(uasm_rel_lo(addr))) {
437                 if (!ISAFUNC(uasm_in_compat_space_p)(addr))
438                         ISAFUNC(uasm_i_daddiu)(buf, rs, rs,
439                                         ISAFUNC(uasm_rel_lo(addr)));
440                 else
441                         ISAFUNC(uasm_i_addiu)(buf, rs, rs,
442                                         ISAFUNC(uasm_rel_lo(addr)));
443         }
444 }
445 UASM_EXPORT_SYMBOL(ISAFUNC(UASM_i_LA));
446
447 /* Handle relocations. */
448 void ISAFUNC(uasm_r_mips_pc16)(struct uasm_reloc **rel, u32 *addr, int lid)
449 {
450         (*rel)->addr = addr;
451         (*rel)->type = R_MIPS_PC16;
452         (*rel)->lab = lid;
453         (*rel)++;
454 }
455 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_r_mips_pc16));
456
457 static inline void __resolve_relocs(struct uasm_reloc *rel,
458                                     struct uasm_label *lab);
459
460 void ISAFUNC(uasm_resolve_relocs)(struct uasm_reloc *rel,
461                                   struct uasm_label *lab)
462 {
463         struct uasm_label *l;
464
465         for (; rel->lab != UASM_LABEL_INVALID; rel++)
466                 for (l = lab; l->lab != UASM_LABEL_INVALID; l++)
467                         if (rel->lab == l->lab)
468                                 __resolve_relocs(rel, l);
469 }
470 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_resolve_relocs));
471
472 void ISAFUNC(uasm_move_relocs)(struct uasm_reloc *rel, u32 *first, u32 *end,
473                                long off)
474 {
475         for (; rel->lab != UASM_LABEL_INVALID; rel++)
476                 if (rel->addr >= first && rel->addr < end)
477                         rel->addr += off;
478 }
479 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_move_relocs));
480
481 void ISAFUNC(uasm_move_labels)(struct uasm_label *lab, u32 *first, u32 *end,
482                                long off)
483 {
484         for (; lab->lab != UASM_LABEL_INVALID; lab++)
485                 if (lab->addr >= first && lab->addr < end)
486                         lab->addr += off;
487 }
488 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_move_labels));
489
490 void ISAFUNC(uasm_copy_handler)(struct uasm_reloc *rel, struct uasm_label *lab,
491                                 u32 *first, u32 *end, u32 *target)
492 {
493         long off = (long)(target - first);
494
495         memcpy(target, first, (end - first) * sizeof(u32));
496
497         ISAFUNC(uasm_move_relocs(rel, first, end, off));
498         ISAFUNC(uasm_move_labels(lab, first, end, off));
499 }
500 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_copy_handler));
501
502 int ISAFUNC(uasm_insn_has_bdelay)(struct uasm_reloc *rel, u32 *addr)
503 {
504         for (; rel->lab != UASM_LABEL_INVALID; rel++) {
505                 if (rel->addr == addr
506                     && (rel->type == R_MIPS_PC16
507                         || rel->type == R_MIPS_26))
508                         return 1;
509         }
510
511         return 0;
512 }
513 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_insn_has_bdelay));
514
515 /* Convenience functions for labeled branches. */
516 void ISAFUNC(uasm_il_bltz)(u32 **p, struct uasm_reloc **r, unsigned int reg,
517                            int lid)
518 {
519         uasm_r_mips_pc16(r, *p, lid);
520         ISAFUNC(uasm_i_bltz)(p, reg, 0);
521 }
522 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_bltz));
523
524 void ISAFUNC(uasm_il_b)(u32 **p, struct uasm_reloc **r, int lid)
525 {
526         uasm_r_mips_pc16(r, *p, lid);
527         ISAFUNC(uasm_i_b)(p, 0);
528 }
529 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_b));
530
531 void ISAFUNC(uasm_il_beq)(u32 **p, struct uasm_reloc **r, unsigned int r1,
532                           unsigned int r2, int lid)
533 {
534         uasm_r_mips_pc16(r, *p, lid);
535         ISAFUNC(uasm_i_beq)(p, r1, r2, 0);
536 }
537 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_beq));
538
539 void ISAFUNC(uasm_il_beqz)(u32 **p, struct uasm_reloc **r, unsigned int reg,
540                            int lid)
541 {
542         uasm_r_mips_pc16(r, *p, lid);
543         ISAFUNC(uasm_i_beqz)(p, reg, 0);
544 }
545 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_beqz));
546
547 void ISAFUNC(uasm_il_beqzl)(u32 **p, struct uasm_reloc **r, unsigned int reg,
548                             int lid)
549 {
550         uasm_r_mips_pc16(r, *p, lid);
551         ISAFUNC(uasm_i_beqzl)(p, reg, 0);
552 }
553 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_beqzl));
554
555 void ISAFUNC(uasm_il_bne)(u32 **p, struct uasm_reloc **r, unsigned int reg1,
556                           unsigned int reg2, int lid)
557 {
558         uasm_r_mips_pc16(r, *p, lid);
559         ISAFUNC(uasm_i_bne)(p, reg1, reg2, 0);
560 }
561 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_bne));
562
563 void ISAFUNC(uasm_il_bnez)(u32 **p, struct uasm_reloc **r, unsigned int reg,
564                            int lid)
565 {
566         uasm_r_mips_pc16(r, *p, lid);
567         ISAFUNC(uasm_i_bnez)(p, reg, 0);
568 }
569 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_bnez));
570
571 void ISAFUNC(uasm_il_bgezl)(u32 **p, struct uasm_reloc **r, unsigned int reg,
572                             int lid)
573 {
574         uasm_r_mips_pc16(r, *p, lid);
575         ISAFUNC(uasm_i_bgezl)(p, reg, 0);
576 }
577 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_bgezl));
578
579 void ISAFUNC(uasm_il_bgez)(u32 **p, struct uasm_reloc **r, unsigned int reg,
580                            int lid)
581 {
582         uasm_r_mips_pc16(r, *p, lid);
583         ISAFUNC(uasm_i_bgez)(p, reg, 0);
584 }
585 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_bgez));
586
587 void ISAFUNC(uasm_il_bbit0)(u32 **p, struct uasm_reloc **r, unsigned int reg,
588                             unsigned int bit, int lid)
589 {
590         uasm_r_mips_pc16(r, *p, lid);
591         ISAFUNC(uasm_i_bbit0)(p, reg, bit, 0);
592 }
593 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_bbit0));
594
595 void ISAFUNC(uasm_il_bbit1)(u32 **p, struct uasm_reloc **r, unsigned int reg,
596                             unsigned int bit, int lid)
597 {
598         uasm_r_mips_pc16(r, *p, lid);
599         ISAFUNC(uasm_i_bbit1)(p, reg, bit, 0);
600 }
601 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_bbit1));