arch/mips/mm/uasm.c

   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_daddiu, insn_daddu, insn_dins, insn_dinsm,
  53         insn_divu, insn_dmfc0, insn_dmtc0, insn_drotr, insn_drotr32, insn_dsll,
  54         insn_dsll32, insn_dsra, insn_dsrl, insn_dsrl32, insn_dsubu, insn_eret,
  55         insn_ext, insn_ins, insn_j, insn_jal, insn_jalr, insn_jr, insn_lb,
  56         insn_ld, insn_ldx, insn_lh, insn_ll, insn_lld, insn_lui, insn_lw,
  57         insn_lwx, insn_mfc0, insn_mfhc0, insn_mfhi, insn_mflo, insn_mtc0,
  58         insn_mthc0, insn_mul, insn_or, insn_ori, insn_pref, insn_rfe,
  59         insn_rotr, insn_sc, insn_scd, insn_sd, insn_sll, insn_sllv, insn_slt,
  60         insn_sltiu, insn_sltu, insn_sra, insn_srl, insn_srlv, insn_subu,
  61         insn_sw, insn_sync, insn_syscall, insn_tlbp, insn_tlbr, insn_tlbwi,
  62         insn_tlbwr, insn_wait, insn_wsbh, insn_xor, insn_xori, insn_yield,
  63         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_u1u2u3(_dmfc0)
 272 I_u1u2u3(_dmtc0)
 273 I_u2u1s3(_daddiu)
 274 I_u3u1u2(_daddu)
 275 I_u1u2(_divu)
 276 I_u2u1u3(_dsll)
 277 I_u2u1u3(_dsll32)
 278 I_u2u1u3(_dsra)
 279 I_u2u1u3(_dsrl)
 280 I_u2u1u3(_dsrl32)
 281 I_u2u1u3(_drotr)
 282 I_u2u1u3(_drotr32)
 283 I_u3u1u2(_dsubu)
 284 I_0(_eret)
 285 I_u2u1msbdu3(_ext)
 286 I_u2u1msbu3(_ins)
 287 I_u1(_j)
 288 I_u1(_jal)
 289 I_u2u1(_jalr)
 290 I_u1(_jr)
 291 I_u2s3u1(_lb)
 292 I_u2s3u1(_ld)
 293 I_u2s3u1(_lh)
 294 I_u2s3u1(_ll)
 295 I_u2s3u1(_lld)
 296 I_u1s2(_lui)
 297 I_u2s3u1(_lw)
 298 I_u1u2u3(_mfc0)
 299 I_u1u2u3(_mfhc0)
 300 I_u1(_mfhi)
 301 I_u1(_mflo)
 302 I_u1u2u3(_mtc0)
 303 I_u1u2u3(_mthc0)
 304 I_u3u1u2(_mul)
 305 I_u2u1u3(_ori)
 306 I_u3u1u2(_or)
 307 I_0(_rfe)
 308 I_u2s3u1(_sc)
 309 I_u2s3u1(_scd)
 310 I_u2s3u1(_sd)
 311 I_u2u1u3(_sll)
 312 I_u3u2u1(_sllv)
 313 I_s3s1s2(_slt)
 314 I_u2u1s3(_sltiu)
 315 I_u3u1u2(_sltu)
 316 I_u2u1u3(_sra)
 317 I_u2u1u3(_srl)
 318 I_u3u2u1(_srlv)
 319 I_u2u1u3(_rotr)
 320 I_u3u1u2(_subu)
 321 I_u2s3u1(_sw)
 322 I_u1(_sync)
 323 I_0(_tlbp)
 324 I_0(_tlbr)
 325 I_0(_tlbwi)
 326 I_0(_tlbwr)
 327 I_u1(_wait);
 328 I_u2u1(_wsbh)
 329 I_u3u1u2(_xor)
 330 I_u2u1u3(_xori)
 331 I_u2u1(_yield)
 332 I_u2u1msbu3(_dins);
 333 I_u2u1msb32u3(_dinsm);
 334 I_u1(_syscall);
 335 I_u1u2s3(_bbit0);
 336 I_u1u2s3(_bbit1);
 337 I_u3u1u2(_lwx)
 338 I_u3u1u2(_ldx)
 339 I_u1u2(_ldpte)
 340 I_u2u1u3(_lddir)
 341
 342 #ifdef CONFIG_CPU_CAVIUM_OCTEON
 343 #include <asm/octeon/octeon.h>
 344 void ISAFUNC(uasm_i_pref)(u32 **buf, unsigned int a, signed int b,
 345                             unsigned int c)
 346 {
 347         if (CAVIUM_OCTEON_DCACHE_PREFETCH_WAR && a <= 24 && a != 5)
 348                 /*
 349                  * As per erratum Core-14449, replace prefetches 0-4,
 350                  * 6-24 with 'pref 28'.
 351                  */
 352                 build_insn(buf, insn_pref, c, 28, b);
 353         else
 354                 build_insn(buf, insn_pref, c, a, b);
 355 }
 356 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_i_pref));
 357 #else
 358 I_u2s3u1(_pref)
 359 #endif
 360
 361 /* Handle labels. */
 362 void ISAFUNC(uasm_build_label)(struct uasm_label **lab, u32 *addr, int lid)
 363 {
 364         (*lab)->addr = addr;
 365         (*lab)->lab = lid;
 366         (*lab)++;
 367 }
 368 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_build_label));
 369
 370 int ISAFUNC(uasm_in_compat_space_p)(long addr)
 371 {
 372         /* Is this address in 32bit compat space? */
 373         return addr == (int)addr;
 374 }
 375 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_in_compat_space_p));
 376
 377 static int uasm_rel_highest(long val)
 378 {
 379 #ifdef CONFIG_64BIT
 380         return ((((val + 0x800080008000L) >> 48) & 0xffff) ^ 0x8000) - 0x8000;
 381 #else
 382         return 0;
 383 #endif
 384 }
 385
 386 static int uasm_rel_higher(long val)
 387 {
 388 #ifdef CONFIG_64BIT
 389         return ((((val + 0x80008000L) >> 32) & 0xffff) ^ 0x8000) - 0x8000;
 390 #else
 391         return 0;
 392 #endif
 393 }
 394
 395 int ISAFUNC(uasm_rel_hi)(long val)
 396 {
 397         return ((((val + 0x8000L) >> 16) & 0xffff) ^ 0x8000) - 0x8000;
 398 }
 399 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_rel_hi));
 400
 401 int ISAFUNC(uasm_rel_lo)(long val)
 402 {
 403         return ((val & 0xffff) ^ 0x8000) - 0x8000;
 404 }
 405 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_rel_lo));
 406
 407 void ISAFUNC(UASM_i_LA_mostly)(u32 **buf, unsigned int rs, long addr)
 408 {
 409         if (!ISAFUNC(uasm_in_compat_space_p)(addr)) {
 410                 ISAFUNC(uasm_i_lui)(buf, rs, uasm_rel_highest(addr));
 411                 if (uasm_rel_higher(addr))
 412                         ISAFUNC(uasm_i_daddiu)(buf, rs, rs, uasm_rel_higher(addr));
 413                 if (ISAFUNC(uasm_rel_hi(addr))) {
 414                         ISAFUNC(uasm_i_dsll)(buf, rs, rs, 16);
 415                         ISAFUNC(uasm_i_daddiu)(buf, rs, rs,
 416                                         ISAFUNC(uasm_rel_hi)(addr));
 417                         ISAFUNC(uasm_i_dsll)(buf, rs, rs, 16);
 418                 } else
 419                         ISAFUNC(uasm_i_dsll32)(buf, rs, rs, 0);
 420         } else
 421                 ISAFUNC(uasm_i_lui)(buf, rs, ISAFUNC(uasm_rel_hi(addr)));
 422 }
 423 UASM_EXPORT_SYMBOL(ISAFUNC(UASM_i_LA_mostly));
 424
 425 void ISAFUNC(UASM_i_LA)(u32 **buf, unsigned int rs, long addr)
 426 {
 427         ISAFUNC(UASM_i_LA_mostly)(buf, rs, addr);
 428         if (ISAFUNC(uasm_rel_lo(addr))) {
 429                 if (!ISAFUNC(uasm_in_compat_space_p)(addr))
 430                         ISAFUNC(uasm_i_daddiu)(buf, rs, rs,
 431                                         ISAFUNC(uasm_rel_lo(addr)));
 432                 else
 433                         ISAFUNC(uasm_i_addiu)(buf, rs, rs,
 434                                         ISAFUNC(uasm_rel_lo(addr)));
 435         }
 436 }
 437 UASM_EXPORT_SYMBOL(ISAFUNC(UASM_i_LA));
 438
 439 /* Handle relocations. */
 440 void ISAFUNC(uasm_r_mips_pc16)(struct uasm_reloc **rel, u32 *addr, int lid)
 441 {
 442         (*rel)->addr = addr;
 443         (*rel)->type = R_MIPS_PC16;
 444         (*rel)->lab = lid;
 445         (*rel)++;
 446 }
 447 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_r_mips_pc16));
 448
 449 static inline void __resolve_relocs(struct uasm_reloc *rel,
 450                                     struct uasm_label *lab);
 451
 452 void ISAFUNC(uasm_resolve_relocs)(struct uasm_reloc *rel,
 453                                   struct uasm_label *lab)
 454 {
 455         struct uasm_label *l;
 456
 457         for (; rel->lab != UASM_LABEL_INVALID; rel++)
 458                 for (l = lab; l->lab != UASM_LABEL_INVALID; l++)
 459                         if (rel->lab == l->lab)
 460                                 __resolve_relocs(rel, l);
 461 }
 462 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_resolve_relocs));
 463
 464 void ISAFUNC(uasm_move_relocs)(struct uasm_reloc *rel, u32 *first, u32 *end,
 465                                long off)
 466 {
 467         for (; rel->lab != UASM_LABEL_INVALID; rel++)
 468                 if (rel->addr >= first && rel->addr < end)
 469                         rel->addr += off;
 470 }
 471 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_move_relocs));
 472
 473 void ISAFUNC(uasm_move_labels)(struct uasm_label *lab, u32 *first, u32 *end,
 474                                long off)
 475 {
 476         for (; lab->lab != UASM_LABEL_INVALID; lab++)
 477                 if (lab->addr >= first && lab->addr < end)
 478                         lab->addr += off;
 479 }
 480 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_move_labels));
 481
 482 void ISAFUNC(uasm_copy_handler)(struct uasm_reloc *rel, struct uasm_label *lab,
 483                                 u32 *first, u32 *end, u32 *target)
 484 {
 485         long off = (long)(target - first);
 486
 487         memcpy(target, first, (end - first) * sizeof(u32));
 488
 489         ISAFUNC(uasm_move_relocs(rel, first, end, off));
 490         ISAFUNC(uasm_move_labels(lab, first, end, off));
 491 }
 492 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_copy_handler));
 493
 494 int ISAFUNC(uasm_insn_has_bdelay)(struct uasm_reloc *rel, u32 *addr)
 495 {
 496         for (; rel->lab != UASM_LABEL_INVALID; rel++) {
 497                 if (rel->addr == addr
 498                     && (rel->type == R_MIPS_PC16
 499                         || rel->type == R_MIPS_26))
 500                         return 1;
 501         }
 502
 503         return 0;
 504 }
 505 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_insn_has_bdelay));
 506
 507 /* Convenience functions for labeled branches. */
 508 void ISAFUNC(uasm_il_bltz)(u32 **p, struct uasm_reloc **r, unsigned int reg,
 509                            int lid)
 510 {
 511         uasm_r_mips_pc16(r, *p, lid);
 512         ISAFUNC(uasm_i_bltz)(p, reg, 0);
 513 }
 514 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_bltz));
 515
 516 void ISAFUNC(uasm_il_b)(u32 **p, struct uasm_reloc **r, int lid)
 517 {
 518         uasm_r_mips_pc16(r, *p, lid);
 519         ISAFUNC(uasm_i_b)(p, 0);
 520 }
 521 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_b));
 522
 523 void ISAFUNC(uasm_il_beq)(u32 **p, struct uasm_reloc **r, unsigned int r1,
 524                           unsigned int r2, int lid)
 525 {
 526         uasm_r_mips_pc16(r, *p, lid);
 527         ISAFUNC(uasm_i_beq)(p, r1, r2, 0);
 528 }
 529 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_beq));
 530
 531 void ISAFUNC(uasm_il_beqz)(u32 **p, struct uasm_reloc **r, unsigned int reg,
 532                            int lid)
 533 {
 534         uasm_r_mips_pc16(r, *p, lid);
 535         ISAFUNC(uasm_i_beqz)(p, reg, 0);
 536 }
 537 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_beqz));
 538
 539 void ISAFUNC(uasm_il_beqzl)(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_beqzl)(p, reg, 0);
 544 }
 545 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_beqzl));
 546
 547 void ISAFUNC(uasm_il_bne)(u32 **p, struct uasm_reloc **r, unsigned int reg1,
 548                           unsigned int reg2, int lid)
 549 {
 550         uasm_r_mips_pc16(r, *p, lid);
 551         ISAFUNC(uasm_i_bne)(p, reg1, reg2, 0);
 552 }
 553 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_bne));
 554
 555 void ISAFUNC(uasm_il_bnez)(u32 **p, struct uasm_reloc **r, unsigned int reg,
 556                            int lid)
 557 {
 558         uasm_r_mips_pc16(r, *p, lid);
 559         ISAFUNC(uasm_i_bnez)(p, reg, 0);
 560 }
 561 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_bnez));
 562
 563 void ISAFUNC(uasm_il_bgezl)(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_bgezl)(p, reg, 0);
 568 }
 569 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_bgezl));
 570
 571 void ISAFUNC(uasm_il_bgez)(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_bgez)(p, reg, 0);
 576 }
 577 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_bgez));
 578
 579 void ISAFUNC(uasm_il_bbit0)(u32 **p, struct uasm_reloc **r, unsigned int reg,
 580                             unsigned int bit, int lid)
 581 {
 582         uasm_r_mips_pc16(r, *p, lid);
 583         ISAFUNC(uasm_i_bbit0)(p, reg, bit, 0);
 584 }
 585 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_bbit0));
 586
 587 void ISAFUNC(uasm_il_bbit1)(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_bbit1)(p, reg, bit, 0);
 592 }
 593 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_bbit1));