kernel/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 };
  64
  65 struct insn {
  66         enum opcode opcode;
  67         u32 match;
  68         enum fields fields;
  69 };
  70
  71 static inline u32 build_rs(u32 arg)
  72 {
  73         WARN(arg & ~RS_MASK, KERN_WARNING "Micro-assembler field overflow\n");
  74
  75         return (arg & RS_MASK) << RS_SH;
  76 }
  77
  78 static inline u32 build_rt(u32 arg)
  79 {
  80         WARN(arg & ~RT_MASK, KERN_WARNING "Micro-assembler field overflow\n");
  81
  82         return (arg & RT_MASK) << RT_SH;
  83 }
  84
  85 static inline u32 build_rd(u32 arg)
  86 {
  87         WARN(arg & ~RD_MASK, KERN_WARNING "Micro-assembler field overflow\n");
  88
  89         return (arg & RD_MASK) << RD_SH;
  90 }
  91
  92 static inline u32 build_re(u32 arg)
  93 {
  94         WARN(arg & ~RE_MASK, KERN_WARNING "Micro-assembler field overflow\n");
  95
  96         return (arg & RE_MASK) << RE_SH;
  97 }
  98
  99 static inline u32 build_simm(s32 arg)
 100 {
 101         WARN(arg > 0x7fff || arg < -0x8000,
 102              KERN_WARNING "Micro-assembler field overflow\n");
 103
 104         return arg & 0xffff;
 105 }
 106
 107 static inline u32 build_uimm(u32 arg)
 108 {
 109         WARN(arg & ~IMM_MASK, KERN_WARNING "Micro-assembler field overflow\n");
 110
 111         return arg & IMM_MASK;
 112 }
 113
 114 static inline u32 build_scimm(u32 arg)
 115 {
 116         WARN(arg & ~SCIMM_MASK,
 117              KERN_WARNING "Micro-assembler field overflow\n");
 118
 119         return (arg & SCIMM_MASK) << SCIMM_SH;
 120 }
 121
 122 static inline u32 build_scimm9(s32 arg)
 123 {
 124         WARN((arg > 0xff || arg < -0x100),
 125                KERN_WARNING "Micro-assembler field overflow\n");
 126
 127         return (arg & SIMM9_MASK) << SIMM9_SH;
 128 }
 129
 130 static inline u32 build_func(u32 arg)
 131 {
 132         WARN(arg & ~FUNC_MASK, KERN_WARNING "Micro-assembler field overflow\n");
 133
 134         return arg & FUNC_MASK;
 135 }
 136
 137 static inline u32 build_set(u32 arg)
 138 {
 139         WARN(arg & ~SET_MASK, KERN_WARNING "Micro-assembler field overflow\n");
 140
 141         return arg & SET_MASK;
 142 }
 143
 144 static void build_insn(u32 **buf, enum opcode opc, ...);
 145
 146 #define I_u1u2u3(op)                                    \
 147 Ip_u1u2u3(op)                                           \
 148 {                                                       \
 149         build_insn(buf, insn##op, a, b, c);             \
 150 }                                                       \
 151 UASM_EXPORT_SYMBOL(uasm_i##op);
 152
 153 #define I_s3s1s2(op)                                    \
 154 Ip_s3s1s2(op)                                           \
 155 {                                                       \
 156         build_insn(buf, insn##op, b, c, a);             \
 157 }                                                       \
 158 UASM_EXPORT_SYMBOL(uasm_i##op);
 159
 160 #define I_u2u1u3(op)                                    \
 161 Ip_u2u1u3(op)                                           \
 162 {                                                       \
 163         build_insn(buf, insn##op, b, a, c);             \
 164 }                                                       \
 165 UASM_EXPORT_SYMBOL(uasm_i##op);
 166
 167 #define I_u3u2u1(op)                                    \
 168 Ip_u3u2u1(op)                                           \
 169 {                                                       \
 170         build_insn(buf, insn##op, c, b, a);             \
 171 }                                                       \
 172 UASM_EXPORT_SYMBOL(uasm_i##op);
 173
 174 #define I_u3u1u2(op)                                    \
 175 Ip_u3u1u2(op)                                           \
 176 {                                                       \
 177         build_insn(buf, insn##op, b, c, a);             \
 178 }                                                       \
 179 UASM_EXPORT_SYMBOL(uasm_i##op);
 180
 181 #define I_u1u2s3(op)                                    \
 182 Ip_u1u2s3(op)                                           \
 183 {                                                       \
 184         build_insn(buf, insn##op, a, b, c);             \
 185 }                                                       \
 186 UASM_EXPORT_SYMBOL(uasm_i##op);
 187
 188 #define I_u2s3u1(op)                                    \
 189 Ip_u2s3u1(op)                                           \
 190 {                                                       \
 191         build_insn(buf, insn##op, c, a, b);             \
 192 }                                                       \
 193 UASM_EXPORT_SYMBOL(uasm_i##op);
 194
 195 #define I_u2u1s3(op)                                    \
 196 Ip_u2u1s3(op)                                           \
 197 {                                                       \
 198         build_insn(buf, insn##op, b, a, c);             \
 199 }                                                       \
 200 UASM_EXPORT_SYMBOL(uasm_i##op);
 201
 202 #define I_u2u1msbu3(op)                                 \
 203 Ip_u2u1msbu3(op)                                        \
 204 {                                                       \
 205         build_insn(buf, insn##op, b, a, c+d-1, c);      \
 206 }                                                       \
 207 UASM_EXPORT_SYMBOL(uasm_i##op);
 208
 209 #define I_u2u1msb32u3(op)                               \
 210 Ip_u2u1msbu3(op)                                        \
 211 {                                                       \
 212         build_insn(buf, insn##op, b, a, c+d-33, c);     \
 213 }                                                       \
 214 UASM_EXPORT_SYMBOL(uasm_i##op);
 215
 216 #define I_u2u1msbdu3(op)                                \
 217 Ip_u2u1msbu3(op)                                        \
 218 {                                                       \
 219         build_insn(buf, insn##op, b, a, d-1, c);        \
 220 }                                                       \
 221 UASM_EXPORT_SYMBOL(uasm_i##op);
 222
 223 #define I_u1u2(op)                                      \
 224 Ip_u1u2(op)                                             \
 225 {                                                       \
 226         build_insn(buf, insn##op, a, b);                \
 227 }                                                       \
 228 UASM_EXPORT_SYMBOL(uasm_i##op);
 229
 230 #define I_u2u1(op)                                      \
 231 Ip_u1u2(op)                                             \
 232 {                                                       \
 233         build_insn(buf, insn##op, b, a);                \
 234 }                                                       \
 235 UASM_EXPORT_SYMBOL(uasm_i##op);
 236
 237 #define I_u1s2(op)                                      \
 238 Ip_u1s2(op)                                             \
 239 {                                                       \
 240         build_insn(buf, insn##op, a, b);                \
 241 }                                                       \
 242 UASM_EXPORT_SYMBOL(uasm_i##op);
 243
 244 #define I_u1(op)                                        \
 245 Ip_u1(op)                                               \
 246 {                                                       \
 247         build_insn(buf, insn##op, a);                   \
 248 }                                                       \
 249 UASM_EXPORT_SYMBOL(uasm_i##op);
 250
 251 #define I_0(op)                                         \
 252 Ip_0(op)                                                \
 253 {                                                       \
 254         build_insn(buf, insn##op);                      \
 255 }                                                       \
 256 UASM_EXPORT_SYMBOL(uasm_i##op);
 257
 258 I_u2u1s3(_addiu)
 259 I_u3u1u2(_addu)
 260 I_u2u1u3(_andi)
 261 I_u3u1u2(_and)
 262 I_u1u2s3(_beq)
 263 I_u1u2s3(_beql)
 264 I_u1s2(_bgez)
 265 I_u1s2(_bgezl)
 266 I_u1s2(_bltz)
 267 I_u1s2(_bltzl)
 268 I_u1u2s3(_bne)
 269 I_u2s3u1(_cache)
 270 I_u1u2u3(_dmfc0)
 271 I_u1u2u3(_dmtc0)
 272 I_u2u1s3(_daddiu)
 273 I_u3u1u2(_daddu)
 274 I_u1u2(_divu)
 275 I_u2u1u3(_dsll)
 276 I_u2u1u3(_dsll32)
 277 I_u2u1u3(_dsra)
 278 I_u2u1u3(_dsrl)
 279 I_u2u1u3(_dsrl32)
 280 I_u2u1u3(_drotr)
 281 I_u2u1u3(_drotr32)
 282 I_u3u1u2(_dsubu)
 283 I_0(_eret)
 284 I_u2u1msbdu3(_ext)
 285 I_u2u1msbu3(_ins)
 286 I_u1(_j)
 287 I_u1(_jal)
 288 I_u2u1(_jalr)
 289 I_u1(_jr)
 290 I_u2s3u1(_lb)
 291 I_u2s3u1(_ld)
 292 I_u2s3u1(_lh)
 293 I_u2s3u1(_ll)
 294 I_u2s3u1(_lld)
 295 I_u1s2(_lui)
 296 I_u2s3u1(_lw)
 297 I_u1u2u3(_mfc0)
 298 I_u1u2u3(_mfhc0)
 299 I_u1(_mfhi)
 300 I_u1(_mflo)
 301 I_u1u2u3(_mtc0)
 302 I_u1u2u3(_mthc0)
 303 I_u3u1u2(_mul)
 304 I_u2u1u3(_ori)
 305 I_u3u1u2(_or)
 306 I_0(_rfe)
 307 I_u2s3u1(_sc)
 308 I_u2s3u1(_scd)
 309 I_u2s3u1(_sd)
 310 I_u2u1u3(_sll)
 311 I_u3u2u1(_sllv)
 312 I_s3s1s2(_slt)
 313 I_u2u1s3(_sltiu)
 314 I_u3u1u2(_sltu)
 315 I_u2u1u3(_sra)
 316 I_u2u1u3(_srl)
 317 I_u3u2u1(_srlv)
 318 I_u2u1u3(_rotr)
 319 I_u3u1u2(_subu)
 320 I_u2s3u1(_sw)
 321 I_u1(_sync)
 322 I_0(_tlbp)
 323 I_0(_tlbr)
 324 I_0(_tlbwi)
 325 I_0(_tlbwr)
 326 I_u1(_wait);
 327 I_u2u1(_wsbh)
 328 I_u3u1u2(_xor)
 329 I_u2u1u3(_xori)
 330 I_u2u1(_yield)
 331 I_u2u1msbu3(_dins);
 332 I_u2u1msb32u3(_dinsm);
 333 I_u1(_syscall);
 334 I_u1u2s3(_bbit0);
 335 I_u1u2s3(_bbit1);
 336 I_u3u1u2(_lwx)
 337 I_u3u1u2(_ldx)
 338
 339 #ifdef CONFIG_CPU_CAVIUM_OCTEON
 340 #include <asm/octeon/octeon.h>
 341 void ISAFUNC(uasm_i_pref)(u32 **buf, unsigned int a, signed int b,
 342                             unsigned int c)
 343 {
 344         if (CAVIUM_OCTEON_DCACHE_PREFETCH_WAR && a <= 24 && a != 5)
 345                 /*
 346                  * As per erratum Core-14449, replace prefetches 0-4,
 347                  * 6-24 with 'pref 28'.
 348                  */
 349                 build_insn(buf, insn_pref, c, 28, b);
 350         else
 351                 build_insn(buf, insn_pref, c, a, b);
 352 }
 353 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_i_pref));
 354 #else
 355 I_u2s3u1(_pref)
 356 #endif
 357
 358 /* Handle labels. */
 359 void ISAFUNC(uasm_build_label)(struct uasm_label **lab, u32 *addr, int lid)
 360 {
 361         (*lab)->addr = addr;
 362         (*lab)->lab = lid;
 363         (*lab)++;
 364 }
 365 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_build_label));
 366
 367 int ISAFUNC(uasm_in_compat_space_p)(long addr)
 368 {
 369         /* Is this address in 32bit compat space? */
 370 #ifdef CONFIG_64BIT
 371         return (((addr) & 0xffffffff00000000L) == 0xffffffff00000000L);
 372 #else
 373         return 1;
 374 #endif
 375 }
 376 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_in_compat_space_p));
 377
 378 static int uasm_rel_highest(long val)
 379 {
 380 #ifdef CONFIG_64BIT
 381         return ((((val + 0x800080008000L) >> 48) & 0xffff) ^ 0x8000) - 0x8000;
 382 #else
 383         return 0;
 384 #endif
 385 }
 386
 387 static int uasm_rel_higher(long val)
 388 {
 389 #ifdef CONFIG_64BIT
 390         return ((((val + 0x80008000L) >> 32) & 0xffff) ^ 0x8000) - 0x8000;
 391 #else
 392         return 0;
 393 #endif
 394 }
 395
 396 int ISAFUNC(uasm_rel_hi)(long val)
 397 {
 398         return ((((val + 0x8000L) >> 16) & 0xffff) ^ 0x8000) - 0x8000;
 399 }
 400 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_rel_hi));
 401
 402 int ISAFUNC(uasm_rel_lo)(long val)
 403 {
 404         return ((val & 0xffff) ^ 0x8000) - 0x8000;
 405 }
 406 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_rel_lo));
 407
 408 void ISAFUNC(UASM_i_LA_mostly)(u32 **buf, unsigned int rs, long addr)
 409 {
 410         if (!ISAFUNC(uasm_in_compat_space_p)(addr)) {
 411                 ISAFUNC(uasm_i_lui)(buf, rs, uasm_rel_highest(addr));
 412                 if (uasm_rel_higher(addr))
 413                         ISAFUNC(uasm_i_daddiu)(buf, rs, rs, uasm_rel_higher(addr));
 414                 if (ISAFUNC(uasm_rel_hi(addr))) {
 415                         ISAFUNC(uasm_i_dsll)(buf, rs, rs, 16);
 416                         ISAFUNC(uasm_i_daddiu)(buf, rs, rs,
 417                                         ISAFUNC(uasm_rel_hi)(addr));
 418                         ISAFUNC(uasm_i_dsll)(buf, rs, rs, 16);
 419                 } else
 420                         ISAFUNC(uasm_i_dsll32)(buf, rs, rs, 0);
 421         } else
 422                 ISAFUNC(uasm_i_lui)(buf, rs, ISAFUNC(uasm_rel_hi(addr)));
 423 }
 424 UASM_EXPORT_SYMBOL(ISAFUNC(UASM_i_LA_mostly));
 425
 426 void ISAFUNC(UASM_i_LA)(u32 **buf, unsigned int rs, long addr)
 427 {
 428         ISAFUNC(UASM_i_LA_mostly)(buf, rs, addr);
 429         if (ISAFUNC(uasm_rel_lo(addr))) {
 430                 if (!ISAFUNC(uasm_in_compat_space_p)(addr))
 431                         ISAFUNC(uasm_i_daddiu)(buf, rs, rs,
 432                                         ISAFUNC(uasm_rel_lo(addr)));
 433                 else
 434                         ISAFUNC(uasm_i_addiu)(buf, rs, rs,
 435                                         ISAFUNC(uasm_rel_lo(addr)));
 436         }
 437 }
 438 UASM_EXPORT_SYMBOL(ISAFUNC(UASM_i_LA));
 439
 440 /* Handle relocations. */
 441 void ISAFUNC(uasm_r_mips_pc16)(struct uasm_reloc **rel, u32 *addr, int lid)
 442 {
 443         (*rel)->addr = addr;
 444         (*rel)->type = R_MIPS_PC16;
 445         (*rel)->lab = lid;
 446         (*rel)++;
 447 }
 448 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_r_mips_pc16));
 449
 450 static inline void __resolve_relocs(struct uasm_reloc *rel,
 451                                     struct uasm_label *lab);
 452
 453 void ISAFUNC(uasm_resolve_relocs)(struct uasm_reloc *rel,
 454                                   struct uasm_label *lab)
 455 {
 456         struct uasm_label *l;
 457
 458         for (; rel->lab != UASM_LABEL_INVALID; rel++)
 459                 for (l = lab; l->lab != UASM_LABEL_INVALID; l++)
 460                         if (rel->lab == l->lab)
 461                                 __resolve_relocs(rel, l);
 462 }
 463 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_resolve_relocs));
 464
 465 void ISAFUNC(uasm_move_relocs)(struct uasm_reloc *rel, u32 *first, u32 *end,
 466                                long off)
 467 {
 468         for (; rel->lab != UASM_LABEL_INVALID; rel++)
 469                 if (rel->addr >= first && rel->addr < end)
 470                         rel->addr += off;
 471 }
 472 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_move_relocs));
 473
 474 void ISAFUNC(uasm_move_labels)(struct uasm_label *lab, u32 *first, u32 *end,
 475                                long off)
 476 {
 477         for (; lab->lab != UASM_LABEL_INVALID; lab++)
 478                 if (lab->addr >= first && lab->addr < end)
 479                         lab->addr += off;
 480 }
 481 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_move_labels));
 482
 483 void ISAFUNC(uasm_copy_handler)(struct uasm_reloc *rel, struct uasm_label *lab,
 484                                 u32 *first, u32 *end, u32 *target)
 485 {
 486         long off = (long)(target - first);
 487
 488         memcpy(target, first, (end - first) * sizeof(u32));
 489
 490         ISAFUNC(uasm_move_relocs(rel, first, end, off));
 491         ISAFUNC(uasm_move_labels(lab, first, end, off));
 492 }
 493 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_copy_handler));
 494
 495 int ISAFUNC(uasm_insn_has_bdelay)(struct uasm_reloc *rel, u32 *addr)
 496 {
 497         for (; rel->lab != UASM_LABEL_INVALID; rel++) {
 498                 if (rel->addr == addr
 499                     && (rel->type == R_MIPS_PC16
 500                         || rel->type == R_MIPS_26))
 501                         return 1;
 502         }
 503
 504         return 0;
 505 }
 506 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_insn_has_bdelay));
 507
 508 /* Convenience functions for labeled branches. */
 509 void ISAFUNC(uasm_il_bltz)(u32 **p, struct uasm_reloc **r, unsigned int reg,
 510                            int lid)
 511 {
 512         uasm_r_mips_pc16(r, *p, lid);
 513         ISAFUNC(uasm_i_bltz)(p, reg, 0);
 514 }
 515 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_bltz));
 516
 517 void ISAFUNC(uasm_il_b)(u32 **p, struct uasm_reloc **r, int lid)
 518 {
 519         uasm_r_mips_pc16(r, *p, lid);
 520         ISAFUNC(uasm_i_b)(p, 0);
 521 }
 522 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_b));
 523
 524 void ISAFUNC(uasm_il_beq)(u32 **p, struct uasm_reloc **r, unsigned int r1,
 525                           unsigned int r2, int lid)
 526 {
 527         uasm_r_mips_pc16(r, *p, lid);
 528         ISAFUNC(uasm_i_beq)(p, r1, r2, 0);
 529 }
 530 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_beq));
 531
 532 void ISAFUNC(uasm_il_beqz)(u32 **p, struct uasm_reloc **r, unsigned int reg,
 533                            int lid)
 534 {
 535         uasm_r_mips_pc16(r, *p, lid);
 536         ISAFUNC(uasm_i_beqz)(p, reg, 0);
 537 }
 538 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_beqz));
 539
 540 void ISAFUNC(uasm_il_beqzl)(u32 **p, struct uasm_reloc **r, unsigned int reg,
 541                             int lid)
 542 {
 543         uasm_r_mips_pc16(r, *p, lid);
 544         ISAFUNC(uasm_i_beqzl)(p, reg, 0);
 545 }
 546 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_beqzl));
 547
 548 void ISAFUNC(uasm_il_bne)(u32 **p, struct uasm_reloc **r, unsigned int reg1,
 549                           unsigned int reg2, int lid)
 550 {
 551         uasm_r_mips_pc16(r, *p, lid);
 552         ISAFUNC(uasm_i_bne)(p, reg1, reg2, 0);
 553 }
 554 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_bne));
 555
 556 void ISAFUNC(uasm_il_bnez)(u32 **p, struct uasm_reloc **r, unsigned int reg,
 557                            int lid)
 558 {
 559         uasm_r_mips_pc16(r, *p, lid);
 560         ISAFUNC(uasm_i_bnez)(p, reg, 0);
 561 }
 562 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_bnez));
 563
 564 void ISAFUNC(uasm_il_bgezl)(u32 **p, struct uasm_reloc **r, unsigned int reg,
 565                             int lid)
 566 {
 567         uasm_r_mips_pc16(r, *p, lid);
 568         ISAFUNC(uasm_i_bgezl)(p, reg, 0);
 569 }
 570 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_bgezl));
 571
 572 void ISAFUNC(uasm_il_bgez)(u32 **p, struct uasm_reloc **r, unsigned int reg,
 573                            int lid)
 574 {
 575         uasm_r_mips_pc16(r, *p, lid);
 576         ISAFUNC(uasm_i_bgez)(p, reg, 0);
 577 }
 578 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_bgez));
 579
 580 void ISAFUNC(uasm_il_bbit0)(u32 **p, struct uasm_reloc **r, unsigned int reg,
 581                             unsigned int bit, int lid)
 582 {
 583         uasm_r_mips_pc16(r, *p, lid);
 584         ISAFUNC(uasm_i_bbit0)(p, reg, bit, 0);
 585 }
 586 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_bbit0));
 587
 588 void ISAFUNC(uasm_il_bbit1)(u32 **p, struct uasm_reloc **r, unsigned int reg,
 589                             unsigned int bit, int lid)
 590 {
 591         uasm_r_mips_pc16(r, *p, lid);
 592         ISAFUNC(uasm_i_bbit1)(p, reg, bit, 0);
 593 }
 594 UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_bbit1));