1 /* 2 * Format of an instruction in memory. 3 * 4 * This file is subject to the terms and conditions of the GNU General Public 5 * License. See the file "COPYING" in the main directory of this archive 6 * for more details. 7 * 8 * Copyright (C) 1996, 2000 by Ralf Baechle 9 * Copyright (C) 2006 by Thiemo Seufer 10 * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. 11 */ 12 #ifndef _UAPI_ASM_INST_H 13 #define _UAPI_ASM_INST_H 14 15 /* 16 * Major opcodes; before MIPS IV cop1x was called cop3. 17 */ 18 enum major_op { 19 spec_op, bcond_op, j_op, jal_op, 20 beq_op, bne_op, blez_op, bgtz_op, 21 addi_op, addiu_op, slti_op, sltiu_op, 22 andi_op, ori_op, xori_op, lui_op, 23 cop0_op, cop1_op, cop2_op, cop1x_op, 24 beql_op, bnel_op, blezl_op, bgtzl_op, 25 daddi_op, daddiu_op, ldl_op, ldr_op, 26 spec2_op, jalx_op, mdmx_op, spec3_op, 27 lb_op, lh_op, lwl_op, lw_op, 28 lbu_op, lhu_op, lwr_op, lwu_op, 29 sb_op, sh_op, swl_op, sw_op, 30 sdl_op, sdr_op, swr_op, cache_op, 31 ll_op, lwc1_op, lwc2_op, pref_op, 32 lld_op, ldc1_op, ldc2_op, ld_op, 33 sc_op, swc1_op, swc2_op, major_3b_op, 34 scd_op, sdc1_op, sdc2_op, sd_op 35 }; 36 37 /* 38 * func field of spec opcode. 39 */ 40 enum spec_op { 41 sll_op, movc_op, srl_op, sra_op, 42 sllv_op, pmon_op, srlv_op, srav_op, 43 jr_op, jalr_op, movz_op, movn_op, 44 syscall_op, break_op, spim_op, sync_op, 45 mfhi_op, mthi_op, mflo_op, mtlo_op, 46 dsllv_op, spec2_unused_op, dsrlv_op, dsrav_op, 47 mult_op, multu_op, div_op, divu_op, 48 dmult_op, dmultu_op, ddiv_op, ddivu_op, 49 add_op, addu_op, sub_op, subu_op, 50 and_op, or_op, xor_op, nor_op, 51 spec3_unused_op, spec4_unused_op, slt_op, sltu_op, 52 dadd_op, daddu_op, dsub_op, dsubu_op, 53 tge_op, tgeu_op, tlt_op, tltu_op, 54 teq_op, spec5_unused_op, tne_op, spec6_unused_op, 55 dsll_op, spec7_unused_op, dsrl_op, dsra_op, 56 dsll32_op, spec8_unused_op, dsrl32_op, dsra32_op 57 }; 58 59 /* 60 * func field of spec2 opcode. 61 */ 62 enum spec2_op { 63 madd_op, maddu_op, mul_op, spec2_3_unused_op, 64 msub_op, msubu_op, /* more unused ops */ 65 clz_op = 0x20, clo_op, 66 dclz_op = 0x24, dclo_op, 67 sdbpp_op = 0x3f 68 }; 69 70 /* 71 * func field of spec3 opcode. 72 */ 73 enum spec3_op { 74 ext_op, dextm_op, dextu_op, dext_op, 75 ins_op, dinsm_op, dinsu_op, dins_op, 76 lx_op = 0x0a, 77 bshfl_op = 0x20, 78 dbshfl_op = 0x24, 79 rdhwr_op = 0x3b 80 }; 81 82 /* 83 * rt field of bcond opcodes. 84 */ 85 enum rt_op { 86 bltz_op, bgez_op, bltzl_op, bgezl_op, 87 spimi_op, unused_rt_op_0x05, unused_rt_op_0x06, unused_rt_op_0x07, 88 tgei_op, tgeiu_op, tlti_op, tltiu_op, 89 teqi_op, unused_0x0d_rt_op, tnei_op, unused_0x0f_rt_op, 90 bltzal_op, bgezal_op, bltzall_op, bgezall_op, 91 rt_op_0x14, rt_op_0x15, rt_op_0x16, rt_op_0x17, 92 rt_op_0x18, rt_op_0x19, rt_op_0x1a, rt_op_0x1b, 93 bposge32_op, rt_op_0x1d, rt_op_0x1e, rt_op_0x1f 94 }; 95 96 /* 97 * rs field of cop opcodes. 98 */ 99 enum cop_op { 100 mfc_op = 0x00, dmfc_op = 0x01, 101 cfc_op = 0x02, mfhc_op = 0x03, 102 mtc_op = 0x04, dmtc_op = 0x05, 103 ctc_op = 0x06, mthc_op = 0x07, 104 bc_op = 0x08, cop_op = 0x10, 105 copm_op = 0x18 106 }; 107 108 /* 109 * rt field of cop.bc_op opcodes 110 */ 111 enum bcop_op { 112 bcf_op, bct_op, bcfl_op, bctl_op 113 }; 114 115 /* 116 * func field of cop0 coi opcodes. 117 */ 118 enum cop0_coi_func { 119 tlbr_op = 0x01, tlbwi_op = 0x02, 120 tlbwr_op = 0x06, tlbp_op = 0x08, 121 rfe_op = 0x10, eret_op = 0x18 122 }; 123 124 /* 125 * func field of cop0 com opcodes. 126 */ 127 enum cop0_com_func { 128 tlbr1_op = 0x01, tlbw_op = 0x02, 129 tlbp1_op = 0x08, dctr_op = 0x09, 130 dctw_op = 0x0a 131 }; 132 133 /* 134 * fmt field of cop1 opcodes. 135 */ 136 enum cop1_fmt { 137 s_fmt, d_fmt, e_fmt, q_fmt, 138 w_fmt, l_fmt 139 }; 140 141 /* 142 * func field of cop1 instructions using d, s or w format. 143 */ 144 enum cop1_sdw_func { 145 fadd_op = 0x00, fsub_op = 0x01, 146 fmul_op = 0x02, fdiv_op = 0x03, 147 fsqrt_op = 0x04, fabs_op = 0x05, 148 fmov_op = 0x06, fneg_op = 0x07, 149 froundl_op = 0x08, ftruncl_op = 0x09, 150 fceill_op = 0x0a, ffloorl_op = 0x0b, 151 fround_op = 0x0c, ftrunc_op = 0x0d, 152 fceil_op = 0x0e, ffloor_op = 0x0f, 153 fmovc_op = 0x11, fmovz_op = 0x12, 154 fmovn_op = 0x13, frecip_op = 0x15, 155 frsqrt_op = 0x16, fcvts_op = 0x20, 156 fcvtd_op = 0x21, fcvte_op = 0x22, 157 fcvtw_op = 0x24, fcvtl_op = 0x25, 158 fcmp_op = 0x30 159 }; 160 161 /* 162 * func field of cop1x opcodes (MIPS IV). 163 */ 164 enum cop1x_func { 165 lwxc1_op = 0x00, ldxc1_op = 0x01, 166 swxc1_op = 0x08, sdxc1_op = 0x09, 167 pfetch_op = 0x0f, madd_s_op = 0x20, 168 madd_d_op = 0x21, madd_e_op = 0x22, 169 msub_s_op = 0x28, msub_d_op = 0x29, 170 msub_e_op = 0x2a, nmadd_s_op = 0x30, 171 nmadd_d_op = 0x31, nmadd_e_op = 0x32, 172 nmsub_s_op = 0x38, nmsub_d_op = 0x39, 173 nmsub_e_op = 0x3a 174 }; 175 176 /* 177 * func field for mad opcodes (MIPS IV). 178 */ 179 enum mad_func { 180 madd_fp_op = 0x08, msub_fp_op = 0x0a, 181 nmadd_fp_op = 0x0c, nmsub_fp_op = 0x0e 182 }; 183 184 /* 185 * func field for special3 lx opcodes (Cavium Octeon). 186 */ 187 enum lx_func { 188 lwx_op = 0x00, 189 lhx_op = 0x04, 190 lbux_op = 0x06, 191 ldx_op = 0x08, 192 lwux_op = 0x10, 193 lhux_op = 0x14, 194 lbx_op = 0x16, 195 }; 196 197 /* 198 * (microMIPS) Major opcodes. 199 */ 200 enum mm_major_op { 201 mm_pool32a_op, mm_pool16a_op, mm_lbu16_op, mm_move16_op, 202 mm_addi32_op, mm_lbu32_op, mm_sb32_op, mm_lb32_op, 203 mm_pool32b_op, mm_pool16b_op, mm_lhu16_op, mm_andi16_op, 204 mm_addiu32_op, mm_lhu32_op, mm_sh32_op, mm_lh32_op, 205 mm_pool32i_op, mm_pool16c_op, mm_lwsp16_op, mm_pool16d_op, 206 mm_ori32_op, mm_pool32f_op, mm_reserved1_op, mm_reserved2_op, 207 mm_pool32c_op, mm_lwgp16_op, mm_lw16_op, mm_pool16e_op, 208 mm_xori32_op, mm_jals32_op, mm_addiupc_op, mm_reserved3_op, 209 mm_reserved4_op, mm_pool16f_op, mm_sb16_op, mm_beqz16_op, 210 mm_slti32_op, mm_beq32_op, mm_swc132_op, mm_lwc132_op, 211 mm_reserved5_op, mm_reserved6_op, mm_sh16_op, mm_bnez16_op, 212 mm_sltiu32_op, mm_bne32_op, mm_sdc132_op, mm_ldc132_op, 213 mm_reserved7_op, mm_reserved8_op, mm_swsp16_op, mm_b16_op, 214 mm_andi32_op, mm_j32_op, mm_sd32_op, mm_ld32_op, 215 mm_reserved11_op, mm_reserved12_op, mm_sw16_op, mm_li16_op, 216 mm_jalx32_op, mm_jal32_op, mm_sw32_op, mm_lw32_op, 217 }; 218 219 /* 220 * (microMIPS) POOL32I minor opcodes. 221 */ 222 enum mm_32i_minor_op { 223 mm_bltz_op, mm_bltzal_op, mm_bgez_op, mm_bgezal_op, 224 mm_blez_op, mm_bnezc_op, mm_bgtz_op, mm_beqzc_op, 225 mm_tlti_op, mm_tgei_op, mm_tltiu_op, mm_tgeiu_op, 226 mm_tnei_op, mm_lui_op, mm_teqi_op, mm_reserved13_op, 227 mm_synci_op, mm_bltzals_op, mm_reserved14_op, mm_bgezals_op, 228 mm_bc2f_op, mm_bc2t_op, mm_reserved15_op, mm_reserved16_op, 229 mm_reserved17_op, mm_reserved18_op, mm_bposge64_op, mm_bposge32_op, 230 mm_bc1f_op, mm_bc1t_op, mm_reserved19_op, mm_reserved20_op, 231 mm_bc1any2f_op, mm_bc1any2t_op, mm_bc1any4f_op, mm_bc1any4t_op, 232 }; 233 234 /* 235 * (microMIPS) POOL32A minor opcodes. 236 */ 237 enum mm_32a_minor_op { 238 mm_sll32_op = 0x000, 239 mm_ins_op = 0x00c, 240 mm_ext_op = 0x02c, 241 mm_pool32axf_op = 0x03c, 242 mm_srl32_op = 0x040, 243 mm_sra_op = 0x080, 244 mm_rotr_op = 0x0c0, 245 mm_lwxs_op = 0x118, 246 mm_addu32_op = 0x150, 247 mm_subu32_op = 0x1d0, 248 mm_and_op = 0x250, 249 mm_or32_op = 0x290, 250 mm_xor32_op = 0x310, 251 }; 252 253 /* 254 * (microMIPS) POOL32B functions. 255 */ 256 enum mm_32b_func { 257 mm_lwc2_func = 0x0, 258 mm_lwp_func = 0x1, 259 mm_ldc2_func = 0x2, 260 mm_ldp_func = 0x4, 261 mm_lwm32_func = 0x5, 262 mm_cache_func = 0x6, 263 mm_ldm_func = 0x7, 264 mm_swc2_func = 0x8, 265 mm_swp_func = 0x9, 266 mm_sdc2_func = 0xa, 267 mm_sdp_func = 0xc, 268 mm_swm32_func = 0xd, 269 mm_sdm_func = 0xf, 270 }; 271 272 /* 273 * (microMIPS) POOL32C functions. 274 */ 275 enum mm_32c_func { 276 mm_pref_func = 0x2, 277 mm_ll_func = 0x3, 278 mm_swr_func = 0x9, 279 mm_sc_func = 0xb, 280 mm_lwu_func = 0xe, 281 }; 282 283 /* 284 * (microMIPS) POOL32AXF minor opcodes. 285 */ 286 enum mm_32axf_minor_op { 287 mm_mfc0_op = 0x003, 288 mm_mtc0_op = 0x00b, 289 mm_tlbp_op = 0x00d, 290 mm_jalr_op = 0x03c, 291 mm_tlbr_op = 0x04d, 292 mm_jalrhb_op = 0x07c, 293 mm_tlbwi_op = 0x08d, 294 mm_tlbwr_op = 0x0cd, 295 mm_jalrs_op = 0x13c, 296 mm_jalrshb_op = 0x17c, 297 mm_syscall_op = 0x22d, 298 mm_eret_op = 0x3cd, 299 }; 300 301 /* 302 * (microMIPS) POOL32F minor opcodes. 303 */ 304 enum mm_32f_minor_op { 305 mm_32f_00_op = 0x00, 306 mm_32f_01_op = 0x01, 307 mm_32f_02_op = 0x02, 308 mm_32f_10_op = 0x08, 309 mm_32f_11_op = 0x09, 310 mm_32f_12_op = 0x0a, 311 mm_32f_20_op = 0x10, 312 mm_32f_30_op = 0x18, 313 mm_32f_40_op = 0x20, 314 mm_32f_41_op = 0x21, 315 mm_32f_42_op = 0x22, 316 mm_32f_50_op = 0x28, 317 mm_32f_51_op = 0x29, 318 mm_32f_52_op = 0x2a, 319 mm_32f_60_op = 0x30, 320 mm_32f_70_op = 0x38, 321 mm_32f_73_op = 0x3b, 322 mm_32f_74_op = 0x3c, 323 }; 324 325 /* 326 * (microMIPS) POOL32F secondary minor opcodes. 327 */ 328 enum mm_32f_10_minor_op { 329 mm_lwxc1_op = 0x1, 330 mm_swxc1_op, 331 mm_ldxc1_op, 332 mm_sdxc1_op, 333 mm_luxc1_op, 334 mm_suxc1_op, 335 }; 336 337 enum mm_32f_func { 338 mm_lwxc1_func = 0x048, 339 mm_swxc1_func = 0x088, 340 mm_ldxc1_func = 0x0c8, 341 mm_sdxc1_func = 0x108, 342 }; 343 344 /* 345 * (microMIPS) POOL32F secondary minor opcodes. 346 */ 347 enum mm_32f_40_minor_op { 348 mm_fmovf_op, 349 mm_fmovt_op, 350 }; 351 352 /* 353 * (microMIPS) POOL32F secondary minor opcodes. 354 */ 355 enum mm_32f_60_minor_op { 356 mm_fadd_op, 357 mm_fsub_op, 358 mm_fmul_op, 359 mm_fdiv_op, 360 }; 361 362 /* 363 * (microMIPS) POOL32F secondary minor opcodes. 364 */ 365 enum mm_32f_70_minor_op { 366 mm_fmovn_op, 367 mm_fmovz_op, 368 }; 369 370 /* 371 * (microMIPS) POOL32FXF secondary minor opcodes for POOL32F. 372 */ 373 enum mm_32f_73_minor_op { 374 mm_fmov0_op = 0x01, 375 mm_fcvtl_op = 0x04, 376 mm_movf0_op = 0x05, 377 mm_frsqrt_op = 0x08, 378 mm_ffloorl_op = 0x0c, 379 mm_fabs0_op = 0x0d, 380 mm_fcvtw_op = 0x24, 381 mm_movt0_op = 0x25, 382 mm_fsqrt_op = 0x28, 383 mm_ffloorw_op = 0x2c, 384 mm_fneg0_op = 0x2d, 385 mm_cfc1_op = 0x40, 386 mm_frecip_op = 0x48, 387 mm_fceill_op = 0x4c, 388 mm_fcvtd0_op = 0x4d, 389 mm_ctc1_op = 0x60, 390 mm_fceilw_op = 0x6c, 391 mm_fcvts0_op = 0x6d, 392 mm_mfc1_op = 0x80, 393 mm_fmov1_op = 0x81, 394 mm_movf1_op = 0x85, 395 mm_ftruncl_op = 0x8c, 396 mm_fabs1_op = 0x8d, 397 mm_mtc1_op = 0xa0, 398 mm_movt1_op = 0xa5, 399 mm_ftruncw_op = 0xac, 400 mm_fneg1_op = 0xad, 401 mm_mfhc1_op = 0xc0, 402 mm_froundl_op = 0xcc, 403 mm_fcvtd1_op = 0xcd, 404 mm_mthc1_op = 0xe0, 405 mm_froundw_op = 0xec, 406 mm_fcvts1_op = 0xed, 407 }; 408 409 /* 410 * (microMIPS) POOL16C minor opcodes. 411 */ 412 enum mm_16c_minor_op { 413 mm_lwm16_op = 0x04, 414 mm_swm16_op = 0x05, 415 mm_jr16_op = 0x0c, 416 mm_jrc_op = 0x0d, 417 mm_jalr16_op = 0x0e, 418 mm_jalrs16_op = 0x0f, 419 mm_jraddiusp_op = 0x18, 420 }; 421 422 /* 423 * (microMIPS) POOL16D minor opcodes. 424 */ 425 enum mm_16d_minor_op { 426 mm_addius5_func, 427 mm_addiusp_func, 428 }; 429 430 /* 431 * (MIPS16e) opcodes. 432 */ 433 enum MIPS16e_ops { 434 MIPS16e_jal_op = 003, 435 MIPS16e_ld_op = 007, 436 MIPS16e_i8_op = 014, 437 MIPS16e_sd_op = 017, 438 MIPS16e_lb_op = 020, 439 MIPS16e_lh_op = 021, 440 MIPS16e_lwsp_op = 022, 441 MIPS16e_lw_op = 023, 442 MIPS16e_lbu_op = 024, 443 MIPS16e_lhu_op = 025, 444 MIPS16e_lwpc_op = 026, 445 MIPS16e_lwu_op = 027, 446 MIPS16e_sb_op = 030, 447 MIPS16e_sh_op = 031, 448 MIPS16e_swsp_op = 032, 449 MIPS16e_sw_op = 033, 450 MIPS16e_rr_op = 035, 451 MIPS16e_extend_op = 036, 452 MIPS16e_i64_op = 037, 453 }; 454 455 enum MIPS16e_i64_func { 456 MIPS16e_ldsp_func, 457 MIPS16e_sdsp_func, 458 MIPS16e_sdrasp_func, 459 MIPS16e_dadjsp_func, 460 MIPS16e_ldpc_func, 461 }; 462 463 enum MIPS16e_rr_func { 464 MIPS16e_jr_func, 465 }; 466 467 enum MIPS6e_i8_func { 468 MIPS16e_swrasp_func = 02, 469 }; 470 471 /* 472 * (microMIPS & MIPS16e) NOP instruction. 473 */ 474 #define MM_NOP16 0x0c00 475 476 /* 477 * Damn ... bitfields depend from byteorder :-( 478 */ 479 #ifdef __MIPSEB__ 480 #define BITFIELD_FIELD(field, more) \ 481 field; \ 482 more 483 484 #elif defined(__MIPSEL__) 485 486 #define BITFIELD_FIELD(field, more) \ 487 more \ 488 field; 489 490 #else /* !defined (__MIPSEB__) && !defined (__MIPSEL__) */ 491 #error "MIPS but neither __MIPSEL__ nor __MIPSEB__?" 492 #endif 493 494 struct j_format { 495 BITFIELD_FIELD(unsigned int opcode : 6, /* Jump format */ 496 BITFIELD_FIELD(unsigned int target : 26, 497 ;)) 498 }; 499 500 struct i_format { /* signed immediate format */ 501 BITFIELD_FIELD(unsigned int opcode : 6, 502 BITFIELD_FIELD(unsigned int rs : 5, 503 BITFIELD_FIELD(unsigned int rt : 5, 504 BITFIELD_FIELD(signed int simmediate : 16, 505 ;)))) 506 }; 507 508 struct u_format { /* unsigned immediate format */ 509 BITFIELD_FIELD(unsigned int opcode : 6, 510 BITFIELD_FIELD(unsigned int rs : 5, 511 BITFIELD_FIELD(unsigned int rt : 5, 512 BITFIELD_FIELD(unsigned int uimmediate : 16, 513 ;)))) 514 }; 515 516 struct c_format { /* Cache (>= R6000) format */ 517 BITFIELD_FIELD(unsigned int opcode : 6, 518 BITFIELD_FIELD(unsigned int rs : 5, 519 BITFIELD_FIELD(unsigned int c_op : 3, 520 BITFIELD_FIELD(unsigned int cache : 2, 521 BITFIELD_FIELD(unsigned int simmediate : 16, 522 ;))))) 523 }; 524 525 struct r_format { /* Register format */ 526 BITFIELD_FIELD(unsigned int opcode : 6, 527 BITFIELD_FIELD(unsigned int rs : 5, 528 BITFIELD_FIELD(unsigned int rt : 5, 529 BITFIELD_FIELD(unsigned int rd : 5, 530 BITFIELD_FIELD(unsigned int re : 5, 531 BITFIELD_FIELD(unsigned int func : 6, 532 ;)))))) 533 }; 534 535 struct p_format { /* Performance counter format (R10000) */ 536 BITFIELD_FIELD(unsigned int opcode : 6, 537 BITFIELD_FIELD(unsigned int rs : 5, 538 BITFIELD_FIELD(unsigned int rt : 5, 539 BITFIELD_FIELD(unsigned int rd : 5, 540 BITFIELD_FIELD(unsigned int re : 5, 541 BITFIELD_FIELD(unsigned int func : 6, 542 ;)))))) 543 }; 544 545 struct f_format { /* FPU register format */ 546 BITFIELD_FIELD(unsigned int opcode : 6, 547 BITFIELD_FIELD(unsigned int : 1, 548 BITFIELD_FIELD(unsigned int fmt : 4, 549 BITFIELD_FIELD(unsigned int rt : 5, 550 BITFIELD_FIELD(unsigned int rd : 5, 551 BITFIELD_FIELD(unsigned int re : 5, 552 BITFIELD_FIELD(unsigned int func : 6, 553 ;))))))) 554 }; 555 556 struct ma_format { /* FPU multiply and add format (MIPS IV) */ 557 BITFIELD_FIELD(unsigned int opcode : 6, 558 BITFIELD_FIELD(unsigned int fr : 5, 559 BITFIELD_FIELD(unsigned int ft : 5, 560 BITFIELD_FIELD(unsigned int fs : 5, 561 BITFIELD_FIELD(unsigned int fd : 5, 562 BITFIELD_FIELD(unsigned int func : 4, 563 BITFIELD_FIELD(unsigned int fmt : 2, 564 ;))))))) 565 }; 566 567 struct b_format { /* BREAK and SYSCALL */ 568 BITFIELD_FIELD(unsigned int opcode : 6, 569 BITFIELD_FIELD(unsigned int code : 20, 570 BITFIELD_FIELD(unsigned int func : 6, 571 ;))) 572 }; 573 574 struct ps_format { /* MIPS-3D / paired single format */ 575 BITFIELD_FIELD(unsigned int opcode : 6, 576 BITFIELD_FIELD(unsigned int rs : 5, 577 BITFIELD_FIELD(unsigned int ft : 5, 578 BITFIELD_FIELD(unsigned int fs : 5, 579 BITFIELD_FIELD(unsigned int fd : 5, 580 BITFIELD_FIELD(unsigned int func : 6, 581 ;)))))) 582 }; 583 584 struct v_format { /* MDMX vector format */ 585 BITFIELD_FIELD(unsigned int opcode : 6, 586 BITFIELD_FIELD(unsigned int sel : 4, 587 BITFIELD_FIELD(unsigned int fmt : 1, 588 BITFIELD_FIELD(unsigned int vt : 5, 589 BITFIELD_FIELD(unsigned int vs : 5, 590 BITFIELD_FIELD(unsigned int vd : 5, 591 BITFIELD_FIELD(unsigned int func : 6, 592 ;))))))) 593 }; 594 595 /* 596 * microMIPS instruction formats (32-bit length) 597 * 598 * NOTE: 599 * Parenthesis denote whether the format is a microMIPS instruction or 600 * if it is MIPS32 instruction re-encoded for use in the microMIPS ASE. 601 */ 602 struct fb_format { /* FPU branch format (MIPS32) */ 603 BITFIELD_FIELD(unsigned int opcode : 6, 604 BITFIELD_FIELD(unsigned int bc : 5, 605 BITFIELD_FIELD(unsigned int cc : 3, 606 BITFIELD_FIELD(unsigned int flag : 2, 607 BITFIELD_FIELD(signed int simmediate : 16, 608 ;))))) 609 }; 610 611 struct fp0_format { /* FPU multiply and add format (MIPS32) */ 612 BITFIELD_FIELD(unsigned int opcode : 6, 613 BITFIELD_FIELD(unsigned int fmt : 5, 614 BITFIELD_FIELD(unsigned int ft : 5, 615 BITFIELD_FIELD(unsigned int fs : 5, 616 BITFIELD_FIELD(unsigned int fd : 5, 617 BITFIELD_FIELD(unsigned int func : 6, 618 ;)))))) 619 }; 620 621 struct mm_fp0_format { /* FPU multipy and add format (microMIPS) */ 622 BITFIELD_FIELD(unsigned int opcode : 6, 623 BITFIELD_FIELD(unsigned int ft : 5, 624 BITFIELD_FIELD(unsigned int fs : 5, 625 BITFIELD_FIELD(unsigned int fd : 5, 626 BITFIELD_FIELD(unsigned int fmt : 3, 627 BITFIELD_FIELD(unsigned int op : 2, 628 BITFIELD_FIELD(unsigned int func : 6, 629 ;))))))) 630 }; 631 632 struct fp1_format { /* FPU mfc1 and cfc1 format (MIPS32) */ 633 BITFIELD_FIELD(unsigned int opcode : 6, 634 BITFIELD_FIELD(unsigned int op : 5, 635 BITFIELD_FIELD(unsigned int rt : 5, 636 BITFIELD_FIELD(unsigned int fs : 5, 637 BITFIELD_FIELD(unsigned int fd : 5, 638 BITFIELD_FIELD(unsigned int func : 6, 639 ;)))))) 640 }; 641 642 struct mm_fp1_format { /* FPU mfc1 and cfc1 format (microMIPS) */ 643 BITFIELD_FIELD(unsigned int opcode : 6, 644 BITFIELD_FIELD(unsigned int rt : 5, 645 BITFIELD_FIELD(unsigned int fs : 5, 646 BITFIELD_FIELD(unsigned int fmt : 2, 647 BITFIELD_FIELD(unsigned int op : 8, 648 BITFIELD_FIELD(unsigned int func : 6, 649 ;)))))) 650 }; 651 652 struct mm_fp2_format { /* FPU movt and movf format (microMIPS) */ 653 BITFIELD_FIELD(unsigned int opcode : 6, 654 BITFIELD_FIELD(unsigned int fd : 5, 655 BITFIELD_FIELD(unsigned int fs : 5, 656 BITFIELD_FIELD(unsigned int cc : 3, 657 BITFIELD_FIELD(unsigned int zero : 2, 658 BITFIELD_FIELD(unsigned int fmt : 2, 659 BITFIELD_FIELD(unsigned int op : 3, 660 BITFIELD_FIELD(unsigned int func : 6, 661 ;)))))))) 662 }; 663 664 struct mm_fp3_format { /* FPU abs and neg format (microMIPS) */ 665 BITFIELD_FIELD(unsigned int opcode : 6, 666 BITFIELD_FIELD(unsigned int rt : 5, 667 BITFIELD_FIELD(unsigned int fs : 5, 668 BITFIELD_FIELD(unsigned int fmt : 3, 669 BITFIELD_FIELD(unsigned int op : 7, 670 BITFIELD_FIELD(unsigned int func : 6, 671 ;)))))) 672 }; 673 674 struct mm_fp4_format { /* FPU c.cond format (microMIPS) */ 675 BITFIELD_FIELD(unsigned int opcode : 6, 676 BITFIELD_FIELD(unsigned int rt : 5, 677 BITFIELD_FIELD(unsigned int fs : 5, 678 BITFIELD_FIELD(unsigned int cc : 3, 679 BITFIELD_FIELD(unsigned int fmt : 3, 680 BITFIELD_FIELD(unsigned int cond : 4, 681 BITFIELD_FIELD(unsigned int func : 6, 682 ;))))))) 683 }; 684 685 struct mm_fp5_format { /* FPU lwxc1 and swxc1 format (microMIPS) */ 686 BITFIELD_FIELD(unsigned int opcode : 6, 687 BITFIELD_FIELD(unsigned int index : 5, 688 BITFIELD_FIELD(unsigned int base : 5, 689 BITFIELD_FIELD(unsigned int fd : 5, 690 BITFIELD_FIELD(unsigned int op : 5, 691 BITFIELD_FIELD(unsigned int func : 6, 692 ;)))))) 693 }; 694 695 struct fp6_format { /* FPU madd and msub format (MIPS IV) */ 696 BITFIELD_FIELD(unsigned int opcode : 6, 697 BITFIELD_FIELD(unsigned int fr : 5, 698 BITFIELD_FIELD(unsigned int ft : 5, 699 BITFIELD_FIELD(unsigned int fs : 5, 700 BITFIELD_FIELD(unsigned int fd : 5, 701 BITFIELD_FIELD(unsigned int func : 6, 702 ;)))))) 703 }; 704 705 struct mm_fp6_format { /* FPU madd and msub format (microMIPS) */ 706 BITFIELD_FIELD(unsigned int opcode : 6, 707 BITFIELD_FIELD(unsigned int ft : 5, 708 BITFIELD_FIELD(unsigned int fs : 5, 709 BITFIELD_FIELD(unsigned int fd : 5, 710 BITFIELD_FIELD(unsigned int fr : 5, 711 BITFIELD_FIELD(unsigned int func : 6, 712 ;)))))) 713 }; 714 715 struct mm_i_format { /* Immediate format (microMIPS) */ 716 BITFIELD_FIELD(unsigned int opcode : 6, 717 BITFIELD_FIELD(unsigned int rt : 5, 718 BITFIELD_FIELD(unsigned int rs : 5, 719 BITFIELD_FIELD(signed int simmediate : 16, 720 ;)))) 721 }; 722 723 struct mm_m_format { /* Multi-word load/store format (microMIPS) */ 724 BITFIELD_FIELD(unsigned int opcode : 6, 725 BITFIELD_FIELD(unsigned int rd : 5, 726 BITFIELD_FIELD(unsigned int base : 5, 727 BITFIELD_FIELD(unsigned int func : 4, 728 BITFIELD_FIELD(signed int simmediate : 12, 729 ;))))) 730 }; 731 732 struct mm_x_format { /* Scaled indexed load format (microMIPS) */ 733 BITFIELD_FIELD(unsigned int opcode : 6, 734 BITFIELD_FIELD(unsigned int index : 5, 735 BITFIELD_FIELD(unsigned int base : 5, 736 BITFIELD_FIELD(unsigned int rd : 5, 737 BITFIELD_FIELD(unsigned int func : 11, 738 ;))))) 739 }; 740 741 /* 742 * microMIPS instruction formats (16-bit length) 743 */ 744 struct mm_b0_format { /* Unconditional branch format (microMIPS) */ 745 BITFIELD_FIELD(unsigned int opcode : 6, 746 BITFIELD_FIELD(signed int simmediate : 10, 747 BITFIELD_FIELD(unsigned int : 16, /* Ignored */ 748 ;))) 749 }; 750 751 struct mm_b1_format { /* Conditional branch format (microMIPS) */ 752 BITFIELD_FIELD(unsigned int opcode : 6, 753 BITFIELD_FIELD(unsigned int rs : 3, 754 BITFIELD_FIELD(signed int simmediate : 7, 755 BITFIELD_FIELD(unsigned int : 16, /* Ignored */ 756 ;)))) 757 }; 758 759 struct mm16_m_format { /* Multi-word load/store format */ 760 BITFIELD_FIELD(unsigned int opcode : 6, 761 BITFIELD_FIELD(unsigned int func : 4, 762 BITFIELD_FIELD(unsigned int rlist : 2, 763 BITFIELD_FIELD(unsigned int imm : 4, 764 BITFIELD_FIELD(unsigned int : 16, /* Ignored */ 765 ;))))) 766 }; 767 768 struct mm16_rb_format { /* Signed immediate format */ 769 BITFIELD_FIELD(unsigned int opcode : 6, 770 BITFIELD_FIELD(unsigned int rt : 3, 771 BITFIELD_FIELD(unsigned int base : 3, 772 BITFIELD_FIELD(signed int simmediate : 4, 773 BITFIELD_FIELD(unsigned int : 16, /* Ignored */ 774 ;))))) 775 }; 776 777 struct mm16_r3_format { /* Load from global pointer format */ 778 BITFIELD_FIELD(unsigned int opcode : 6, 779 BITFIELD_FIELD(unsigned int rt : 3, 780 BITFIELD_FIELD(signed int simmediate : 7, 781 BITFIELD_FIELD(unsigned int : 16, /* Ignored */ 782 ;)))) 783 }; 784 785 struct mm16_r5_format { /* Load/store from stack pointer format */ 786 BITFIELD_FIELD(unsigned int opcode : 6, 787 BITFIELD_FIELD(unsigned int rt : 5, 788 BITFIELD_FIELD(signed int simmediate : 5, 789 BITFIELD_FIELD(unsigned int : 16, /* Ignored */ 790 ;)))) 791 }; 792 793 /* 794 * MIPS16e instruction formats (16-bit length) 795 */ 796 struct m16e_rr { 797 BITFIELD_FIELD(unsigned int opcode : 5, 798 BITFIELD_FIELD(unsigned int rx : 3, 799 BITFIELD_FIELD(unsigned int nd : 1, 800 BITFIELD_FIELD(unsigned int l : 1, 801 BITFIELD_FIELD(unsigned int ra : 1, 802 BITFIELD_FIELD(unsigned int func : 5, 803 ;)))))) 804 }; 805 806 struct m16e_jal { 807 BITFIELD_FIELD(unsigned int opcode : 5, 808 BITFIELD_FIELD(unsigned int x : 1, 809 BITFIELD_FIELD(unsigned int imm20_16 : 5, 810 BITFIELD_FIELD(signed int imm25_21 : 5, 811 ;)))) 812 }; 813 814 struct m16e_i64 { 815 BITFIELD_FIELD(unsigned int opcode : 5, 816 BITFIELD_FIELD(unsigned int func : 3, 817 BITFIELD_FIELD(unsigned int imm : 8, 818 ;))) 819 }; 820 821 struct m16e_ri64 { 822 BITFIELD_FIELD(unsigned int opcode : 5, 823 BITFIELD_FIELD(unsigned int func : 3, 824 BITFIELD_FIELD(unsigned int ry : 3, 825 BITFIELD_FIELD(unsigned int imm : 5, 826 ;)))) 827 }; 828 829 struct m16e_ri { 830 BITFIELD_FIELD(unsigned int opcode : 5, 831 BITFIELD_FIELD(unsigned int rx : 3, 832 BITFIELD_FIELD(unsigned int imm : 8, 833 ;))) 834 }; 835 836 struct m16e_rri { 837 BITFIELD_FIELD(unsigned int opcode : 5, 838 BITFIELD_FIELD(unsigned int rx : 3, 839 BITFIELD_FIELD(unsigned int ry : 3, 840 BITFIELD_FIELD(unsigned int imm : 5, 841 ;)))) 842 }; 843 844 struct m16e_i8 { 845 BITFIELD_FIELD(unsigned int opcode : 5, 846 BITFIELD_FIELD(unsigned int func : 3, 847 BITFIELD_FIELD(unsigned int imm : 8, 848 ;))) 849 }; 850 851 union mips_instruction { 852 unsigned int word; 853 unsigned short halfword[2]; 854 unsigned char byte[4]; 855 struct j_format j_format; 856 struct i_format i_format; 857 struct u_format u_format; 858 struct c_format c_format; 859 struct r_format r_format; 860 struct p_format p_format; 861 struct f_format f_format; 862 struct ma_format ma_format; 863 struct b_format b_format; 864 struct ps_format ps_format; 865 struct v_format v_format; 866 struct fb_format fb_format; 867 struct fp0_format fp0_format; 868 struct mm_fp0_format mm_fp0_format; 869 struct fp1_format fp1_format; 870 struct mm_fp1_format mm_fp1_format; 871 struct mm_fp2_format mm_fp2_format; 872 struct mm_fp3_format mm_fp3_format; 873 struct mm_fp4_format mm_fp4_format; 874 struct mm_fp5_format mm_fp5_format; 875 struct fp6_format fp6_format; 876 struct mm_fp6_format mm_fp6_format; 877 struct mm_i_format mm_i_format; 878 struct mm_m_format mm_m_format; 879 struct mm_x_format mm_x_format; 880 struct mm_b0_format mm_b0_format; 881 struct mm_b1_format mm_b1_format; 882 struct mm16_m_format mm16_m_format ; 883 struct mm16_rb_format mm16_rb_format; 884 struct mm16_r3_format mm16_r3_format; 885 struct mm16_r5_format mm16_r5_format; 886 }; 887 888 union mips16e_instruction { 889 unsigned int full : 16; 890 struct m16e_rr rr; 891 struct m16e_jal jal; 892 struct m16e_i64 i64; 893 struct m16e_ri64 ri64; 894 struct m16e_ri ri; 895 struct m16e_rri rri; 896 struct m16e_i8 i8; 897 }; 898 899 #endif /* _UAPI_ASM_INST_H */ 900
