LXR linux/arch/mips/include/uapi/asm/inst.h

   1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2/*
   3 * Format of an instruction in memory.
   4 *
   5 * This file is subject to the terms and conditions of the GNU General Public
   6 * License.  See the file "COPYING" in the main directory of this archive
   7 * for more details.
   8 *
   9 * Copyright (C) 1996, 2000 by Ralf Baechle
  10 * Copyright (C) 2006 by Thiemo Seufer
  11 * Copyright (C) 2012 MIPS Technologies, Inc.  All rights reserved.
  12 * Copyright (C) 2014 Imagination Technologies Ltd.
  13 */
  14#ifndef _UAPI_ASM_INST_H
  15#define _UAPI_ASM_INST_H
  16
  17#include <asm/bitfield.h>
  18
  19/*
  20 * Major opcodes; before MIPS IV cop1x was called cop3.
  21 */
  22enum major_op {
  23        spec_op, bcond_op, j_op, jal_op,
  24        beq_op, bne_op, blez_op, bgtz_op,
  25        addi_op, pop10_op = addi_op, addiu_op, slti_op, sltiu_op,
  26        andi_op, ori_op, xori_op, lui_op,
  27        cop0_op, cop1_op, cop2_op, cop1x_op,
  28        beql_op, bnel_op, blezl_op, bgtzl_op,
  29        daddi_op, pop30_op = daddi_op, daddiu_op, ldl_op, ldr_op,
  30        spec2_op, jalx_op, mdmx_op, msa_op = mdmx_op, spec3_op,
  31        lb_op, lh_op, lwl_op, lw_op,
  32        lbu_op, lhu_op, lwr_op, lwu_op,
  33        sb_op, sh_op, swl_op, sw_op,
  34        sdl_op, sdr_op, swr_op, cache_op,
  35        ll_op, lwc1_op, lwc2_op, bc6_op = lwc2_op, pref_op,
  36        lld_op, ldc1_op, ldc2_op, pop66_op = ldc2_op, ld_op,
  37        sc_op, swc1_op, swc2_op, balc6_op = swc2_op, major_3b_op,
  38        scd_op, sdc1_op, sdc2_op, pop76_op = sdc2_op, sd_op
  39};
  40
  41/*
  42 * func field of spec opcode.
  43 */
  44enum spec_op {
  45        sll_op, movc_op, srl_op, sra_op,
  46        sllv_op, pmon_op, srlv_op, srav_op,
  47        jr_op, jalr_op, movz_op, movn_op,
  48        syscall_op, break_op, spim_op, sync_op,
  49        mfhi_op, mthi_op, mflo_op, mtlo_op,
  50        dsllv_op, spec2_unused_op, dsrlv_op, dsrav_op,
  51        mult_op, multu_op, div_op, divu_op,
  52        dmult_op, dmultu_op, ddiv_op, ddivu_op,
  53        add_op, addu_op, sub_op, subu_op,
  54        and_op, or_op, xor_op, nor_op,
  55        spec3_unused_op, spec4_unused_op, slt_op, sltu_op,
  56        dadd_op, daddu_op, dsub_op, dsubu_op,
  57        tge_op, tgeu_op, tlt_op, tltu_op,
  58        teq_op, spec5_unused_op, tne_op, spec6_unused_op,
  59        dsll_op, spec7_unused_op, dsrl_op, dsra_op,
  60        dsll32_op, spec8_unused_op, dsrl32_op, dsra32_op
  61};
  62
  63/*
  64 * func field of spec2 opcode.
  65 */
  66enum spec2_op {
  67        madd_op, maddu_op, mul_op, spec2_3_unused_op,
  68        msub_op, msubu_op, /* more unused ops */
  69        clz_op = 0x20, clo_op,
  70        dclz_op = 0x24, dclo_op,
  71        sdbpp_op = 0x3f
  72};
  73
  74/*
  75 * func field of spec3 opcode.
  76 */
  77enum spec3_op {
  78        ext_op, dextm_op, dextu_op, dext_op,
  79        ins_op, dinsm_op, dinsu_op, dins_op,
  80        yield_op  = 0x09, lx_op     = 0x0a,
  81        lwle_op   = 0x19, lwre_op   = 0x1a,
  82        cachee_op = 0x1b, sbe_op    = 0x1c,
  83        she_op    = 0x1d, sce_op    = 0x1e,
  84        swe_op    = 0x1f, bshfl_op  = 0x20,
  85        swle_op   = 0x21, swre_op   = 0x22,
  86        prefe_op  = 0x23, dbshfl_op = 0x24,
  87        cache6_op = 0x25, sc6_op    = 0x26,
  88        scd6_op   = 0x27, lbue_op   = 0x28,
  89        lhue_op   = 0x29, lbe_op    = 0x2c,
  90        lhe_op    = 0x2d, lle_op    = 0x2e,
  91        lwe_op    = 0x2f, pref6_op  = 0x35,
  92        ll6_op    = 0x36, lld6_op   = 0x37,
  93        rdhwr_op  = 0x3b
  94};
  95
  96/*
  97 * Bits 10-6 minor opcode for r6 spec mult/div encodings
  98 */
  99enum mult_op {
 100        mult_mult_op = 0x0,
 101        mult_mul_op = 0x2,
 102        mult_muh_op = 0x3,
 103};
 104enum multu_op {
 105        multu_multu_op = 0x0,
 106        multu_mulu_op = 0x2,
 107        multu_muhu_op = 0x3,
 108};
 109enum div_op {
 110        div_div_op = 0x0,
 111        div_div6_op = 0x2,
 112        div_mod_op = 0x3,
 113};
 114enum divu_op {
 115        divu_divu_op = 0x0,
 116        divu_divu6_op = 0x2,
 117        divu_modu_op = 0x3,
 118};
 119enum dmult_op {
 120        dmult_dmult_op = 0x0,
 121        dmult_dmul_op = 0x2,
 122        dmult_dmuh_op = 0x3,
 123};
 124enum dmultu_op {
 125        dmultu_dmultu_op = 0x0,
 126        dmultu_dmulu_op = 0x2,
 127        dmultu_dmuhu_op = 0x3,
 128};
 129enum ddiv_op {
 130        ddiv_ddiv_op = 0x0,
 131        ddiv_ddiv6_op = 0x2,
 132        ddiv_dmod_op = 0x3,
 133};
 134enum ddivu_op {
 135        ddivu_ddivu_op = 0x0,
 136        ddivu_ddivu6_op = 0x2,
 137        ddivu_dmodu_op = 0x3,
 138};
 139
 140/*
 141 * rt field of bcond opcodes.
 142 */
 143enum rt_op {
 144        bltz_op, bgez_op, bltzl_op, bgezl_op,
 145        spimi_op, unused_rt_op_0x05, unused_rt_op_0x06, unused_rt_op_0x07,
 146        tgei_op, tgeiu_op, tlti_op, tltiu_op,
 147        teqi_op, unused_0x0d_rt_op, tnei_op, unused_0x0f_rt_op,
 148        bltzal_op, bgezal_op, bltzall_op, bgezall_op,
 149        rt_op_0x14, rt_op_0x15, rt_op_0x16, rt_op_0x17,
 150        rt_op_0x18, rt_op_0x19, rt_op_0x1a, rt_op_0x1b,
 151        bposge32_op, rt_op_0x1d, rt_op_0x1e, synci_op
 152};
 153
 154/*
 155 * rs field of cop opcodes.
 156 */
 157enum cop_op {
 158        mfc_op        = 0x00, dmfc_op       = 0x01,
 159        cfc_op        = 0x02, mfhc0_op      = 0x02,
 160        mfhc_op       = 0x03, mtc_op        = 0x04,
 161        dmtc_op       = 0x05, ctc_op        = 0x06,
 162        mthc0_op      = 0x06, mthc_op       = 0x07,
 163        bc_op         = 0x08, bc1eqz_op     = 0x09,
 164        mfmc0_op      = 0x0b, bc1nez_op     = 0x0d,
 165        wrpgpr_op     = 0x0e, cop_op        = 0x10,
 166        copm_op       = 0x18
 167};
 168
 169/*
 170 * rt field of cop.bc_op opcodes
 171 */
 172enum bcop_op {
 173        bcf_op, bct_op, bcfl_op, bctl_op
 174};
 175
 176/*
 177 * func field of cop0 coi opcodes.
 178 */
 179enum cop0_coi_func {
 180        tlbr_op       = 0x01, tlbwi_op      = 0x02,
 181        tlbwr_op      = 0x06, tlbp_op       = 0x08,
 182        rfe_op        = 0x10, eret_op       = 0x18,
 183        wait_op       = 0x20, hypcall_op    = 0x28
 184};
 185
 186/*
 187 * func field of cop0 com opcodes.
 188 */
 189enum cop0_com_func {
 190        tlbr1_op      = 0x01, tlbw_op       = 0x02,
 191        tlbp1_op      = 0x08, dctr_op       = 0x09,
 192        dctw_op       = 0x0a
 193};
 194
 195/*
 196 * fmt field of cop1 opcodes.
 197 */
 198enum cop1_fmt {
 199        s_fmt, d_fmt, e_fmt, q_fmt,
 200        w_fmt, l_fmt
 201};
 202
 203/*
 204 * func field of cop1 instructions using d, s or w format.
 205 */
 206enum cop1_sdw_func {
 207        fadd_op      =  0x00, fsub_op      =  0x01,
 208        fmul_op      =  0x02, fdiv_op      =  0x03,
 209        fsqrt_op     =  0x04, fabs_op      =  0x05,
 210        fmov_op      =  0x06, fneg_op      =  0x07,
 211        froundl_op   =  0x08, ftruncl_op   =  0x09,
 212        fceill_op    =  0x0a, ffloorl_op   =  0x0b,
 213        fround_op    =  0x0c, ftrunc_op    =  0x0d,
 214        fceil_op     =  0x0e, ffloor_op    =  0x0f,
 215        fsel_op      =  0x10,
 216        fmovc_op     =  0x11, fmovz_op     =  0x12,
 217        fmovn_op     =  0x13, fseleqz_op   =  0x14,
 218        frecip_op    =  0x15, frsqrt_op    =  0x16,
 219        fselnez_op   =  0x17, fmaddf_op    =  0x18,
 220        fmsubf_op    =  0x19, frint_op     =  0x1a,
 221        fclass_op    =  0x1b, fmin_op      =  0x1c,
 222        fmina_op     =  0x1d, fmax_op      =  0x1e,
 223        fmaxa_op     =  0x1f, fcvts_op     =  0x20,
 224        fcvtd_op     =  0x21, fcvte_op     =  0x22,
 225        fcvtw_op     =  0x24, fcvtl_op     =  0x25,
 226        fcmp_op      =  0x30
 227};
 228
 229/*
 230 * func field of cop1x opcodes (MIPS IV).
 231 */
 232enum cop1x_func {
 233        lwxc1_op     =  0x00, ldxc1_op     =  0x01,
 234        swxc1_op     =  0x08, sdxc1_op     =  0x09,
 235        pfetch_op    =  0x0f, madd_s_op    =  0x20,
 236        madd_d_op    =  0x21, madd_e_op    =  0x22,
 237        msub_s_op    =  0x28, msub_d_op    =  0x29,
 238        msub_e_op    =  0x2a, nmadd_s_op   =  0x30,
 239        nmadd_d_op   =  0x31, nmadd_e_op   =  0x32,
 240        nmsub_s_op   =  0x38, nmsub_d_op   =  0x39,
 241        nmsub_e_op   =  0x3a
 242};
 243
 244/*
 245 * func field for mad opcodes (MIPS IV).
 246 */
 247enum mad_func {
 248        madd_fp_op      = 0x08, msub_fp_op      = 0x0a,
 249        nmadd_fp_op     = 0x0c, nmsub_fp_op     = 0x0e
 250};
 251
 252/*
 253 * func field for page table walker (Loongson-3).
 254 */
 255enum ptw_func {
 256        lwdir_op = 0x00,
 257        lwpte_op = 0x01,
 258        lddir_op = 0x02,
 259        ldpte_op = 0x03,
 260};
 261
 262/*
 263 * func field for special3 lx opcodes (Cavium Octeon).
 264 */
 265enum lx_func {
 266        lwx_op  = 0x00,
 267        lhx_op  = 0x04,
 268        lbux_op = 0x06,
 269        ldx_op  = 0x08,
 270        lwux_op = 0x10,
 271        lhux_op = 0x14,
 272        lbx_op  = 0x16,
 273};
 274
 275/*
 276 * BSHFL opcodes
 277 */
 278enum bshfl_func {
 279        wsbh_op = 0x2,
 280        seb_op  = 0x10,
 281        seh_op  = 0x18,
 282};
 283
 284/*
 285 * DBSHFL opcodes
 286 */
 287enum dbshfl_func {
 288        dsbh_op = 0x2,
 289        dshd_op = 0x5,
 290};
 291
 292/*
 293 * MSA minor opcodes.
 294 */
 295enum msa_func {
 296        msa_elm_op = 0x19,
 297};
 298
 299/*
 300 * MSA ELM opcodes.
 301 */
 302enum msa_elm {
 303        msa_ctc_op = 0x3e,
 304        msa_cfc_op = 0x7e,
 305};
 306
 307/*
 308 * func field for MSA MI10 format.
 309 */
 310enum msa_mi10_func {
 311        msa_ld_op = 8,
 312        msa_st_op = 9,
 313};
 314
 315/*
 316 * MSA 2 bit format fields.
 317 */
 318enum msa_2b_fmt {
 319        msa_fmt_b = 0,
 320        msa_fmt_h = 1,
 321        msa_fmt_w = 2,
 322        msa_fmt_d = 3,
 323};
 324
 325/*
 326 * (microMIPS) Major opcodes.
 327 */
 328enum mm_major_op {
 329        mm_pool32a_op, mm_pool16a_op, mm_lbu16_op, mm_move16_op,
 330        mm_addi32_op, mm_lbu32_op, mm_sb32_op, mm_lb32_op,
 331        mm_pool32b_op, mm_pool16b_op, mm_lhu16_op, mm_andi16_op,
 332        mm_addiu32_op, mm_lhu32_op, mm_sh32_op, mm_lh32_op,
 333        mm_pool32i_op, mm_pool16c_op, mm_lwsp16_op, mm_pool16d_op,
 334        mm_ori32_op, mm_pool32f_op, mm_pool32s_op, mm_reserved2_op,
 335        mm_pool32c_op, mm_lwgp16_op, mm_lw16_op, mm_pool16e_op,
 336        mm_xori32_op, mm_jals32_op, mm_addiupc_op, mm_reserved3_op,
 337        mm_reserved4_op, mm_pool16f_op, mm_sb16_op, mm_beqz16_op,
 338        mm_slti32_op, mm_beq32_op, mm_swc132_op, mm_lwc132_op,
 339        mm_reserved5_op, mm_reserved6_op, mm_sh16_op, mm_bnez16_op,
 340        mm_sltiu32_op, mm_bne32_op, mm_sdc132_op, mm_ldc132_op,
 341        mm_reserved7_op, mm_reserved8_op, mm_swsp16_op, mm_b16_op,
 342        mm_andi32_op, mm_j32_op, mm_sd32_op, mm_ld32_op,
 343        mm_reserved11_op, mm_reserved12_op, mm_sw16_op, mm_li16_op,
 344        mm_jalx32_op, mm_jal32_op, mm_sw32_op, mm_lw32_op,
 345};
 346
 347/*
 348 * (microMIPS) POOL32I minor opcodes.
 349 */
 350enum mm_32i_minor_op {
 351        mm_bltz_op, mm_bltzal_op, mm_bgez_op, mm_bgezal_op,
 352        mm_blez_op, mm_bnezc_op, mm_bgtz_op, mm_beqzc_op,
 353        mm_tlti_op, mm_tgei_op, mm_tltiu_op, mm_tgeiu_op,
 354        mm_tnei_op, mm_lui_op, mm_teqi_op, mm_reserved13_op,
 355        mm_synci_op, mm_bltzals_op, mm_reserved14_op, mm_bgezals_op,
 356        mm_bc2f_op, mm_bc2t_op, mm_reserved15_op, mm_reserved16_op,
 357        mm_reserved17_op, mm_reserved18_op, mm_bposge64_op, mm_bposge32_op,
 358        mm_bc1f_op, mm_bc1t_op, mm_reserved19_op, mm_reserved20_op,
 359        mm_bc1any2f_op, mm_bc1any2t_op, mm_bc1any4f_op, mm_bc1any4t_op,
 360};
 361
 362/*
 363 * (microMIPS) POOL32A minor opcodes.
 364 */
 365enum mm_32a_minor_op {
 366        mm_sll32_op = 0x000,
 367        mm_ins_op = 0x00c,
 368        mm_sllv32_op = 0x010,
 369        mm_ext_op = 0x02c,
 370        mm_pool32axf_op = 0x03c,
 371        mm_srl32_op = 0x040,
 372        mm_sra_op = 0x080,
 373        mm_srlv32_op = 0x090,
 374        mm_rotr_op = 0x0c0,
 375        mm_lwxs_op = 0x118,
 376        mm_addu32_op = 0x150,
 377        mm_subu32_op = 0x1d0,
 378        mm_wsbh_op = 0x1ec,
 379        mm_mul_op = 0x210,
 380        mm_and_op = 0x250,
 381        mm_or32_op = 0x290,
 382        mm_xor32_op = 0x310,
 383        mm_slt_op = 0x350,
 384        mm_sltu_op = 0x390,
 385};
 386
 387/*
 388 * (microMIPS) POOL32B functions.
 389 */
 390enum mm_32b_func {
 391        mm_lwc2_func = 0x0,
 392        mm_lwp_func = 0x1,
 393        mm_ldc2_func = 0x2,
 394        mm_ldp_func = 0x4,
 395        mm_lwm32_func = 0x5,
 396        mm_cache_func = 0x6,
 397        mm_ldm_func = 0x7,
 398        mm_swc2_func = 0x8,
 399        mm_swp_func = 0x9,
 400        mm_sdc2_func = 0xa,
 401        mm_sdp_func = 0xc,
 402        mm_swm32_func = 0xd,
 403        mm_sdm_func = 0xf,
 404};
 405
 406/*
 407 * (microMIPS) POOL32C functions.
 408 */
 409enum mm_32c_func {
 410        mm_pref_func = 0x2,
 411        mm_ll_func = 0x3,
 412        mm_swr_func = 0x9,
 413        mm_sc_func = 0xb,
 414        mm_lwu_func = 0xe,
 415};
 416
 417/*
 418 * (microMIPS) POOL32AXF minor opcodes.
 419 */
 420enum mm_32axf_minor_op {
 421        mm_mfc0_op = 0x003,
 422        mm_mtc0_op = 0x00b,
 423        mm_tlbp_op = 0x00d,
 424        mm_mfhi32_op = 0x035,
 425        mm_jalr_op = 0x03c,
 426        mm_tlbr_op = 0x04d,
 427        mm_mflo32_op = 0x075,
 428        mm_jalrhb_op = 0x07c,
 429        mm_tlbwi_op = 0x08d,
 430        mm_mthi32_op = 0x0b5,
 431        mm_tlbwr_op = 0x0cd,
 432        mm_mtlo32_op = 0x0f5,
 433        mm_di_op = 0x11d,
 434        mm_jalrs_op = 0x13c,
 435        mm_jalrshb_op = 0x17c,
 436        mm_sync_op = 0x1ad,
 437        mm_syscall_op = 0x22d,
 438        mm_wait_op = 0x24d,
 439        mm_eret_op = 0x3cd,
 440        mm_divu_op = 0x5dc,
 441};
 442
 443/*
 444 * (microMIPS) POOL32F minor opcodes.
 445 */
 446enum mm_32f_minor_op {
 447        mm_32f_00_op = 0x00,
 448        mm_32f_01_op = 0x01,
 449        mm_32f_02_op = 0x02,
 450        mm_32f_10_op = 0x08,
 451        mm_32f_11_op = 0x09,
 452        mm_32f_12_op = 0x0a,
 453        mm_32f_20_op = 0x10,
 454        mm_32f_30_op = 0x18,
 455        mm_32f_40_op = 0x20,
 456        mm_32f_41_op = 0x21,
 457        mm_32f_42_op = 0x22,
 458        mm_32f_50_op = 0x28,
 459        mm_32f_51_op = 0x29,
 460        mm_32f_52_op = 0x2a,
 461        mm_32f_60_op = 0x30,
 462        mm_32f_70_op = 0x38,
 463        mm_32f_73_op = 0x3b,
 464        mm_32f_74_op = 0x3c,
 465};
 466
 467/*
 468 * (microMIPS) POOL32F secondary minor opcodes.
 469 */
 470enum mm_32f_10_minor_op {
 471        mm_lwxc1_op = 0x1,
 472        mm_swxc1_op,
 473        mm_ldxc1_op,
 474        mm_sdxc1_op,
 475        mm_luxc1_op,
 476        mm_suxc1_op,
 477};
 478
 479enum mm_32f_func {
 480        mm_lwxc1_func = 0x048,
 481        mm_swxc1_func = 0x088,
 482        mm_ldxc1_func = 0x0c8,
 483        mm_sdxc1_func = 0x108,
 484};
 485
 486/*
 487 * (microMIPS) POOL32F secondary minor opcodes.
 488 */
 489enum mm_32f_40_minor_op {
 490        mm_fmovf_op,
 491        mm_fmovt_op,
 492};
 493
 494/*
 495 * (microMIPS) POOL32F secondary minor opcodes.
 496 */
 497enum mm_32f_60_minor_op {
 498        mm_fadd_op,
 499        mm_fsub_op,
 500        mm_fmul_op,
 501        mm_fdiv_op,
 502};
 503
 504/*
 505 * (microMIPS) POOL32F secondary minor opcodes.
 506 */
 507enum mm_32f_70_minor_op {
 508        mm_fmovn_op,
 509        mm_fmovz_op,
 510};
 511
 512/*
 513 * (microMIPS) POOL32FXF secondary minor opcodes for POOL32F.
 514 */
 515enum mm_32f_73_minor_op {
 516        mm_fmov0_op = 0x01,
 517        mm_fcvtl_op = 0x04,
 518        mm_movf0_op = 0x05,
 519        mm_frsqrt_op = 0x08,
 520        mm_ffloorl_op = 0x0c,
 521        mm_fabs0_op = 0x0d,
 522        mm_fcvtw_op = 0x24,
 523        mm_movt0_op = 0x25,
 524        mm_fsqrt_op = 0x28,
 525        mm_ffloorw_op = 0x2c,
 526        mm_fneg0_op = 0x2d,
 527        mm_cfc1_op = 0x40,
 528        mm_frecip_op = 0x48,
 529        mm_fceill_op = 0x4c,
 530        mm_fcvtd0_op = 0x4d,
 531        mm_ctc1_op = 0x60,
 532        mm_fceilw_op = 0x6c,
 533        mm_fcvts0_op = 0x6d,
 534        mm_mfc1_op = 0x80,
 535        mm_fmov1_op = 0x81,
 536        mm_movf1_op = 0x85,
 537        mm_ftruncl_op = 0x8c,
 538        mm_fabs1_op = 0x8d,
 539        mm_mtc1_op = 0xa0,
 540        mm_movt1_op = 0xa5,
 541        mm_ftruncw_op = 0xac,
 542        mm_fneg1_op = 0xad,
 543        mm_mfhc1_op = 0xc0,
 544        mm_froundl_op = 0xcc,
 545        mm_fcvtd1_op = 0xcd,
 546        mm_mthc1_op = 0xe0,
 547        mm_froundw_op = 0xec,
 548        mm_fcvts1_op = 0xed,
 549};
 550
 551/*
 552 * (microMIPS) POOL32S minor opcodes.
 553 */
 554enum mm_32s_minor_op {
 555        mm_32s_elm_op = 0x16,
 556};
 557
 558/*
 559 * (microMIPS) POOL16C minor opcodes.
 560 */
 561enum mm_16c_minor_op {
 562        mm_lwm16_op = 0x04,
 563        mm_swm16_op = 0x05,
 564        mm_jr16_op = 0x0c,
 565        mm_jrc_op = 0x0d,
 566        mm_jalr16_op = 0x0e,
 567        mm_jalrs16_op = 0x0f,
 568        mm_jraddiusp_op = 0x18,
 569};
 570
 571/*
 572 * (microMIPS) POOL16D minor opcodes.
 573 */
 574enum mm_16d_minor_op {
 575        mm_addius5_func,
 576        mm_addiusp_func,
 577};
 578
 579/*
 580 * (MIPS16e) opcodes.
 581 */
 582enum MIPS16e_ops {
 583        MIPS16e_jal_op = 003,
 584        MIPS16e_ld_op = 007,
 585        MIPS16e_i8_op = 014,
 586        MIPS16e_sd_op = 017,
 587        MIPS16e_lb_op = 020,
 588        MIPS16e_lh_op = 021,
 589        MIPS16e_lwsp_op = 022,
 590        MIPS16e_lw_op = 023,
 591        MIPS16e_lbu_op = 024,
 592        MIPS16e_lhu_op = 025,
 593        MIPS16e_lwpc_op = 026,
 594        MIPS16e_lwu_op = 027,
 595        MIPS16e_sb_op = 030,
 596        MIPS16e_sh_op = 031,
 597        MIPS16e_swsp_op = 032,
 598        MIPS16e_sw_op = 033,
 599        MIPS16e_rr_op = 035,
 600        MIPS16e_extend_op = 036,
 601        MIPS16e_i64_op = 037,
 602};
 603
 604enum MIPS16e_i64_func {
 605        MIPS16e_ldsp_func,
 606        MIPS16e_sdsp_func,
 607        MIPS16e_sdrasp_func,
 608        MIPS16e_dadjsp_func,
 609        MIPS16e_ldpc_func,
 610};
 611
 612enum MIPS16e_rr_func {
 613        MIPS16e_jr_func,
 614};
 615
 616enum MIPS6e_i8_func {
 617        MIPS16e_swrasp_func = 02,
 618};
 619
 620/*
 621 * (microMIPS) NOP instruction.
 622 */
 623#define MM_NOP16        0x0c00
 624
 625struct j_format {
 626        __BITFIELD_FIELD(unsigned int opcode : 6, /* Jump format */
 627        __BITFIELD_FIELD(unsigned int target : 26,
 628        ;))
 629};
 630
 631struct i_format {                       /* signed immediate format */
 632        __BITFIELD_FIELD(unsigned int opcode : 6,
 633        __BITFIELD_FIELD(unsigned int rs : 5,
 634        __BITFIELD_FIELD(unsigned int rt : 5,
 635        __BITFIELD_FIELD(signed int simmediate : 16,
 636        ;))))
 637};
 638
 639struct u_format {                       /* unsigned immediate format */
 640        __BITFIELD_FIELD(unsigned int opcode : 6,
 641        __BITFIELD_FIELD(unsigned int rs : 5,
 642        __BITFIELD_FIELD(unsigned int rt : 5,
 643        __BITFIELD_FIELD(unsigned int uimmediate : 16,
 644        ;))))
 645};
 646
 647struct c_format {                       /* Cache (>= R6000) format */
 648        __BITFIELD_FIELD(unsigned int opcode : 6,
 649        __BITFIELD_FIELD(unsigned int rs : 5,
 650        __BITFIELD_FIELD(unsigned int c_op : 3,
 651        __BITFIELD_FIELD(unsigned int cache : 2,
 652        __BITFIELD_FIELD(unsigned int simmediate : 16,
 653        ;)))))
 654};
 655
 656struct r_format {                       /* Register format */
 657        __BITFIELD_FIELD(unsigned int opcode : 6,
 658        __BITFIELD_FIELD(unsigned int rs : 5,
 659        __BITFIELD_FIELD(unsigned int rt : 5,
 660        __BITFIELD_FIELD(unsigned int rd : 5,
 661        __BITFIELD_FIELD(unsigned int re : 5,
 662        __BITFIELD_FIELD(unsigned int func : 6,
 663        ;))))))
 664};
 665
 666struct c0r_format {                     /* C0 register format */
 667        __BITFIELD_FIELD(unsigned int opcode : 6,
 668        __BITFIELD_FIELD(unsigned int rs : 5,
 669        __BITFIELD_FIELD(unsigned int rt : 5,
 670        __BITFIELD_FIELD(unsigned int rd : 5,
 671        __BITFIELD_FIELD(unsigned int z: 8,
 672        __BITFIELD_FIELD(unsigned int sel : 3,
 673        ;))))))
 674};
 675
 676struct mfmc0_format {                   /* MFMC0 register format */
 677        __BITFIELD_FIELD(unsigned int opcode : 6,
 678        __BITFIELD_FIELD(unsigned int rs : 5,
 679        __BITFIELD_FIELD(unsigned int rt : 5,
 680        __BITFIELD_FIELD(unsigned int rd : 5,
 681        __BITFIELD_FIELD(unsigned int re : 5,
 682        __BITFIELD_FIELD(unsigned int sc : 1,
 683        __BITFIELD_FIELD(unsigned int : 2,
 684        __BITFIELD_FIELD(unsigned int sel : 3,
 685        ;))))))))
 686};
 687
 688struct co_format {                      /* C0 CO format */
 689        __BITFIELD_FIELD(unsigned int opcode : 6,
 690        __BITFIELD_FIELD(unsigned int co : 1,
 691        __BITFIELD_FIELD(unsigned int code : 19,
 692        __BITFIELD_FIELD(unsigned int func : 6,
 693        ;))))
 694};
 695
 696struct p_format {               /* Performance counter format (R10000) */
 697        __BITFIELD_FIELD(unsigned int opcode : 6,
 698        __BITFIELD_FIELD(unsigned int rs : 5,
 699        __BITFIELD_FIELD(unsigned int rt : 5,
 700        __BITFIELD_FIELD(unsigned int rd : 5,
 701        __BITFIELD_FIELD(unsigned int re : 5,
 702        __BITFIELD_FIELD(unsigned int func : 6,
 703        ;))))))
 704};
 705
 706struct f_format {                       /* FPU register format */
 707        __BITFIELD_FIELD(unsigned int opcode : 6,
 708        __BITFIELD_FIELD(unsigned int : 1,
 709        __BITFIELD_FIELD(unsigned int fmt : 4,
 710        __BITFIELD_FIELD(unsigned int rt : 5,
 711        __BITFIELD_FIELD(unsigned int rd : 5,
 712        __BITFIELD_FIELD(unsigned int re : 5,
 713        __BITFIELD_FIELD(unsigned int func : 6,
 714        ;)))))))
 715};
 716
 717struct ma_format {              /* FPU multiply and add format (MIPS IV) */
 718        __BITFIELD_FIELD(unsigned int opcode : 6,
 719        __BITFIELD_FIELD(unsigned int fr : 5,
 720        __BITFIELD_FIELD(unsigned int ft : 5,
 721        __BITFIELD_FIELD(unsigned int fs : 5,
 722        __BITFIELD_FIELD(unsigned int fd : 5,
 723        __BITFIELD_FIELD(unsigned int func : 4,
 724        __BITFIELD_FIELD(unsigned int fmt : 2,
 725        ;)))))))
 726};
 727
 728struct b_format {                       /* BREAK and SYSCALL */
 729        __BITFIELD_FIELD(unsigned int opcode : 6,
 730        __BITFIELD_FIELD(unsigned int code : 20,
 731        __BITFIELD_FIELD(unsigned int func : 6,
 732        ;)))
 733};
 734
 735struct ps_format {                      /* MIPS-3D / paired single format */
 736        __BITFIELD_FIELD(unsigned int opcode : 6,
 737        __BITFIELD_FIELD(unsigned int rs : 5,
 738        __BITFIELD_FIELD(unsigned int ft : 5,
 739        __BITFIELD_FIELD(unsigned int fs : 5,
 740        __BITFIELD_FIELD(unsigned int fd : 5,
 741        __BITFIELD_FIELD(unsigned int func : 6,
 742        ;))))))
 743};
 744
 745struct v_format {                               /* MDMX vector format */
 746        __BITFIELD_FIELD(unsigned int opcode : 6,
 747        __BITFIELD_FIELD(unsigned int sel : 4,
 748        __BITFIELD_FIELD(unsigned int fmt : 1,
 749        __BITFIELD_FIELD(unsigned int vt : 5,
 750        __BITFIELD_FIELD(unsigned int vs : 5,
 751        __BITFIELD_FIELD(unsigned int vd : 5,
 752        __BITFIELD_FIELD(unsigned int func : 6,
 753        ;)))))))
 754};
 755
 756struct msa_mi10_format {                /* MSA MI10 */
 757        __BITFIELD_FIELD(unsigned int opcode : 6,
 758        __BITFIELD_FIELD(signed int s10 : 10,
 759        __BITFIELD_FIELD(unsigned int rs : 5,
 760        __BITFIELD_FIELD(unsigned int wd : 5,
 761        __BITFIELD_FIELD(unsigned int func : 4,
 762        __BITFIELD_FIELD(unsigned int df : 2,
 763        ;))))))
 764};
 765
 766struct dsp_format {             /* SPEC3 DSP format instructions */
 767        __BITFIELD_FIELD(unsigned int opcode : 6,
 768        __BITFIELD_FIELD(unsigned int base : 5,
 769        __BITFIELD_FIELD(unsigned int index : 5,
 770        __BITFIELD_FIELD(unsigned int rd : 5,
 771        __BITFIELD_FIELD(unsigned int op : 5,
 772        __BITFIELD_FIELD(unsigned int func : 6,
 773        ;))))))
 774};
 775
 776struct spec3_format {   /* SPEC3 */
 777        __BITFIELD_FIELD(unsigned int opcode:6,
 778        __BITFIELD_FIELD(unsigned int rs:5,
 779        __BITFIELD_FIELD(unsigned int rt:5,
 780        __BITFIELD_FIELD(signed int simmediate:9,
 781        __BITFIELD_FIELD(unsigned int func:7,
 782        ;)))))
 783};
 784
 785/*
 786 * microMIPS instruction formats (32-bit length)
 787 *
 788 * NOTE:
 789 *      Parenthesis denote whether the format is a microMIPS instruction or
 790 *      if it is MIPS32 instruction re-encoded for use in the microMIPS ASE.
 791 */
 792struct fb_format {              /* FPU branch format (MIPS32) */
 793        __BITFIELD_FIELD(unsigned int opcode : 6,
 794        __BITFIELD_FIELD(unsigned int bc : 5,
 795        __BITFIELD_FIELD(unsigned int cc : 3,
 796        __BITFIELD_FIELD(unsigned int flag : 2,
 797        __BITFIELD_FIELD(signed int simmediate : 16,
 798        ;)))))
 799};
 800
 801struct fp0_format {             /* FPU multiply and add format (MIPS32) */
 802        __BITFIELD_FIELD(unsigned int opcode : 6,
 803        __BITFIELD_FIELD(unsigned int fmt : 5,
 804        __BITFIELD_FIELD(unsigned int ft : 5,
 805        __BITFIELD_FIELD(unsigned int fs : 5,
 806        __BITFIELD_FIELD(unsigned int fd : 5,
 807        __BITFIELD_FIELD(unsigned int func : 6,
 808        ;))))))
 809};
 810
 811struct mm_fp0_format {          /* FPU multiply and add format (microMIPS) */
 812        __BITFIELD_FIELD(unsigned int opcode : 6,
 813        __BITFIELD_FIELD(unsigned int ft : 5,
 814        __BITFIELD_FIELD(unsigned int fs : 5,
 815        __BITFIELD_FIELD(unsigned int fd : 5,
 816        __BITFIELD_FIELD(unsigned int fmt : 3,
 817        __BITFIELD_FIELD(unsigned int op : 2,
 818        __BITFIELD_FIELD(unsigned int func : 6,
 819        ;)))))))
 820};
 821
 822struct fp1_format {             /* FPU mfc1 and cfc1 format (MIPS32) */
 823        __BITFIELD_FIELD(unsigned int opcode : 6,
 824        __BITFIELD_FIELD(unsigned int op : 5,
 825        __BITFIELD_FIELD(unsigned int rt : 5,
 826        __BITFIELD_FIELD(unsigned int fs : 5,
 827        __BITFIELD_FIELD(unsigned int fd : 5,
 828        __BITFIELD_FIELD(unsigned int func : 6,
 829        ;))))))
 830};
 831
 832struct mm_fp1_format {          /* FPU mfc1 and cfc1 format (microMIPS) */
 833        __BITFIELD_FIELD(unsigned int opcode : 6,
 834        __BITFIELD_FIELD(unsigned int rt : 5,
 835        __BITFIELD_FIELD(unsigned int fs : 5,
 836        __BITFIELD_FIELD(unsigned int fmt : 2,
 837        __BITFIELD_FIELD(unsigned int op : 8,
 838        __BITFIELD_FIELD(unsigned int func : 6,
 839        ;))))))
 840};
 841
 842struct mm_fp2_format {          /* FPU movt and movf format (microMIPS) */
 843        __BITFIELD_FIELD(unsigned int opcode : 6,
 844        __BITFIELD_FIELD(unsigned int fd : 5,
 845        __BITFIELD_FIELD(unsigned int fs : 5,
 846        __BITFIELD_FIELD(unsigned int cc : 3,
 847        __BITFIELD_FIELD(unsigned int zero : 2,
 848        __BITFIELD_FIELD(unsigned int fmt : 2,
 849        __BITFIELD_FIELD(unsigned int op : 3,
 850        __BITFIELD_FIELD(unsigned int func : 6,
 851        ;))))))))
 852};
 853
 854struct mm_fp3_format {          /* FPU abs and neg format (microMIPS) */
 855        __BITFIELD_FIELD(unsigned int opcode : 6,
 856        __BITFIELD_FIELD(unsigned int rt : 5,
 857        __BITFIELD_FIELD(unsigned int fs : 5,
 858        __BITFIELD_FIELD(unsigned int fmt : 3,
 859        __BITFIELD_FIELD(unsigned int op : 7,
 860        __BITFIELD_FIELD(unsigned int func : 6,
 861        ;))))))
 862};
 863
 864struct mm_fp4_format {          /* FPU c.cond format (microMIPS) */
 865        __BITFIELD_FIELD(unsigned int opcode : 6,
 866        __BITFIELD_FIELD(unsigned int rt : 5,
 867        __BITFIELD_FIELD(unsigned int fs : 5,
 868        __BITFIELD_FIELD(unsigned int cc : 3,
 869        __BITFIELD_FIELD(unsigned int fmt : 3,
 870        __BITFIELD_FIELD(unsigned int cond : 4,
 871        __BITFIELD_FIELD(unsigned int func : 6,
 872        ;)))))))
 873};
 874
 875struct mm_fp5_format {          /* FPU lwxc1 and swxc1 format (microMIPS) */
 876        __BITFIELD_FIELD(unsigned int opcode : 6,
 877        __BITFIELD_FIELD(unsigned int index : 5,
 878        __BITFIELD_FIELD(unsigned int base : 5,
 879        __BITFIELD_FIELD(unsigned int fd : 5,
 880        __BITFIELD_FIELD(unsigned int op : 5,
 881        __BITFIELD_FIELD(unsigned int func : 6,
 882        ;))))))
 883};
 884
 885struct fp6_format {             /* FPU madd and msub format (MIPS IV) */
 886        __BITFIELD_FIELD(unsigned int opcode : 6,
 887        __BITFIELD_FIELD(unsigned int fr : 5,
 888        __BITFIELD_FIELD(unsigned int ft : 5,
 889        __BITFIELD_FIELD(unsigned int fs : 5,
 890        __BITFIELD_FIELD(unsigned int fd : 5,
 891        __BITFIELD_FIELD(unsigned int func : 6,
 892        ;))))))
 893};
 894
 895struct mm_fp6_format {          /* FPU madd and msub format (microMIPS) */
 896        __BITFIELD_FIELD(unsigned int opcode : 6,
 897        __BITFIELD_FIELD(unsigned int ft : 5,
 898        __BITFIELD_FIELD(unsigned int fs : 5,
 899        __BITFIELD_FIELD(unsigned int fd : 5,
 900        __BITFIELD_FIELD(unsigned int fr : 5,
 901        __BITFIELD_FIELD(unsigned int func : 6,
 902        ;))))))
 903};
 904
 905struct mm_i_format {            /* Immediate format (microMIPS) */
 906        __BITFIELD_FIELD(unsigned int opcode : 6,
 907        __BITFIELD_FIELD(unsigned int rt : 5,
 908        __BITFIELD_FIELD(unsigned int rs : 5,
 909        __BITFIELD_FIELD(signed int simmediate : 16,
 910        ;))))
 911};
 912
 913struct mm_m_format {            /* Multi-word load/store format (microMIPS) */
 914        __BITFIELD_FIELD(unsigned int opcode : 6,
 915        __BITFIELD_FIELD(unsigned int rd : 5,
 916        __BITFIELD_FIELD(unsigned int base : 5,
 917        __BITFIELD_FIELD(unsigned int func : 4,
 918        __BITFIELD_FIELD(signed int simmediate : 12,
 919        ;)))))
 920};
 921
 922struct mm_x_format {            /* Scaled indexed load format (microMIPS) */
 923        __BITFIELD_FIELD(unsigned int opcode : 6,
 924        __BITFIELD_FIELD(unsigned int index : 5,
 925        __BITFIELD_FIELD(unsigned int base : 5,
 926        __BITFIELD_FIELD(unsigned int rd : 5,
 927        __BITFIELD_FIELD(unsigned int func : 11,
 928        ;)))))
 929};
 930
 931struct mm_a_format {            /* ADDIUPC format (microMIPS) */
 932        __BITFIELD_FIELD(unsigned int opcode : 6,
 933        __BITFIELD_FIELD(unsigned int rs : 3,
 934        __BITFIELD_FIELD(signed int simmediate : 23,
 935        ;)))
 936};
 937
 938/*
 939 * microMIPS instruction formats (16-bit length)
 940 */
 941struct mm_b0_format {           /* Unconditional branch format (microMIPS) */
 942        __BITFIELD_FIELD(unsigned int opcode : 6,
 943        __BITFIELD_FIELD(signed int simmediate : 10,
 944        __BITFIELD_FIELD(unsigned int : 16, /* Ignored */
 945        ;)))
 946};
 947
 948struct mm_b1_format {           /* Conditional branch format (microMIPS) */
 949        __BITFIELD_FIELD(unsigned int opcode : 6,
 950        __BITFIELD_FIELD(unsigned int rs : 3,
 951        __BITFIELD_FIELD(signed int simmediate : 7,
 952        __BITFIELD_FIELD(unsigned int : 16, /* Ignored */
 953        ;))))
 954};
 955
 956struct mm16_m_format {          /* Multi-word load/store format */
 957        __BITFIELD_FIELD(unsigned int opcode : 6,
 958        __BITFIELD_FIELD(unsigned int func : 4,
 959        __BITFIELD_FIELD(unsigned int rlist : 2,
 960        __BITFIELD_FIELD(unsigned int imm : 4,
 961        __BITFIELD_FIELD(unsigned int : 16, /* Ignored */
 962        ;)))))
 963};
 964
 965struct mm16_rb_format {         /* Signed immediate format */
 966        __BITFIELD_FIELD(unsigned int opcode : 6,
 967        __BITFIELD_FIELD(unsigned int rt : 3,
 968        __BITFIELD_FIELD(unsigned int base : 3,
 969        __BITFIELD_FIELD(signed int simmediate : 4,
 970        __BITFIELD_FIELD(unsigned int : 16, /* Ignored */
 971        ;)))))
 972};
 973
 974struct mm16_r3_format {         /* Load from global pointer format */
 975        __BITFIELD_FIELD(unsigned int opcode : 6,
 976        __BITFIELD_FIELD(unsigned int rt : 3,
 977        __BITFIELD_FIELD(signed int simmediate : 7,
 978        __BITFIELD_FIELD(unsigned int : 16, /* Ignored */
 979        ;))))
 980};
 981
 982struct mm16_r5_format {         /* Load/store from stack pointer format */
 983        __BITFIELD_FIELD(unsigned int opcode : 6,
 984        __BITFIELD_FIELD(unsigned int rt : 5,
 985        __BITFIELD_FIELD(unsigned int imm : 5,
 986        __BITFIELD_FIELD(unsigned int : 16, /* Ignored */
 987        ;))))
 988};
 989
 990/*
 991 * MIPS16e instruction formats (16-bit length)
 992 */
 993struct m16e_rr {
 994        __BITFIELD_FIELD(unsigned int opcode : 5,
 995        __BITFIELD_FIELD(unsigned int rx : 3,
 996        __BITFIELD_FIELD(unsigned int nd : 1,
 997        __BITFIELD_FIELD(unsigned int l : 1,
 998        __BITFIELD_FIELD(unsigned int ra : 1,
 999        __BITFIELD_FIELD(unsigned int func : 5,
1000        ;))))))

1001};
1002
1003struct m16e_jal {
1004        __BITFIELD_FIELD(unsigned int opcode : 5,
1005        __BITFIELD_FIELD(unsigned int x : 1,
1006        __BITFIELD_FIELD(unsigned int imm20_16 : 5,
1007        __BITFIELD_FIELD(signed int imm25_21 : 5,
1008        ;))))
1009};
1010
1011struct m16e_i64 {
1012        __BITFIELD_FIELD(unsigned int opcode : 5,
1013        __BITFIELD_FIELD(unsigned int func : 3,
1014        __BITFIELD_FIELD(unsigned int imm : 8,
1015        ;)))
1016};
1017
1018struct m16e_ri64 {
1019        __BITFIELD_FIELD(unsigned int opcode : 5,
1020        __BITFIELD_FIELD(unsigned int func : 3,
1021        __BITFIELD_FIELD(unsigned int ry : 3,
1022        __BITFIELD_FIELD(unsigned int imm : 5,
1023        ;))))
1024};
1025
1026struct m16e_ri {
1027        __BITFIELD_FIELD(unsigned int opcode : 5,
1028        __BITFIELD_FIELD(unsigned int rx : 3,
1029        __BITFIELD_FIELD(unsigned int imm : 8,
1030        ;)))
1031};
1032
1033struct m16e_rri {
1034        __BITFIELD_FIELD(unsigned int opcode : 5,
1035        __BITFIELD_FIELD(unsigned int rx : 3,
1036        __BITFIELD_FIELD(unsigned int ry : 3,
1037        __BITFIELD_FIELD(unsigned int imm : 5,
1038        ;))))
1039};
1040
1041struct m16e_i8 {
1042        __BITFIELD_FIELD(unsigned int opcode : 5,
1043        __BITFIELD_FIELD(unsigned int func : 3,
1044        __BITFIELD_FIELD(unsigned int imm : 8,
1045        ;)))
1046};
1047
1048union mips_instruction {
1049        unsigned int word;
1050        unsigned short halfword[2];
1051        unsigned char byte[4];
1052        struct j_format j_format;
1053        struct i_format i_format;
1054        struct u_format u_format;
1055        struct c_format c_format;
1056        struct r_format r_format;
1057        struct c0r_format c0r_format;
1058        struct mfmc0_format mfmc0_format;
1059        struct co_format co_format;
1060        struct p_format p_format;
1061        struct f_format f_format;
1062        struct ma_format ma_format;
1063        struct msa_mi10_format msa_mi10_format;
1064        struct b_format b_format;
1065        struct ps_format ps_format;
1066        struct v_format v_format;
1067        struct dsp_format dsp_format;
1068        struct spec3_format spec3_format;
1069        struct fb_format fb_format;
1070        struct fp0_format fp0_format;
1071        struct mm_fp0_format mm_fp0_format;
1072        struct fp1_format fp1_format;
1073        struct mm_fp1_format mm_fp1_format;
1074        struct mm_fp2_format mm_fp2_format;
1075        struct mm_fp3_format mm_fp3_format;
1076        struct mm_fp4_format mm_fp4_format;
1077        struct mm_fp5_format mm_fp5_format;
1078        struct fp6_format fp6_format;
1079        struct mm_fp6_format mm_fp6_format;
1080        struct mm_i_format mm_i_format;
1081        struct mm_m_format mm_m_format;
1082        struct mm_x_format mm_x_format;
1083        struct mm_a_format mm_a_format;
1084        struct mm_b0_format mm_b0_format;
1085        struct mm_b1_format mm_b1_format;
1086        struct mm16_m_format mm16_m_format ;
1087        struct mm16_rb_format mm16_rb_format;
1088        struct mm16_r3_format mm16_r3_format;
1089        struct mm16_r5_format mm16_r5_format;
1090};
1091
1092union mips16e_instruction {
1093        unsigned int full : 16;
1094        struct m16e_rr rr;
1095        struct m16e_jal jal;
1096        struct m16e_i64 i64;
1097        struct m16e_ri64 ri64;
1098        struct m16e_ri ri;
1099        struct m16e_rri rri;
1100        struct m16e_i8 i8;
1101};
1102
1103#endif /* _UAPI_ASM_INST_H */
1104