arch/arm64/include/asm/insn.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright (C) 2013 Huawei Ltd.
   4  * Author: Jiang Liu <liuj97@gmail.com>
   5  *
   6  * Copyright (C) 2014 Zi Shen Lim <zlim.lnx@gmail.com>
   7  */
   8 #ifndef __ASM_INSN_H
   9 #define __ASM_INSN_H
  10 #include <linux/build_bug.h>
  11 #include <linux/types.h>
  12
  13 #include <asm/insn-def.h>
  14
  15 #ifndef __ASSEMBLY__
  16
  17 enum aarch64_insn_hint_cr_op {
  18         AARCH64_INSN_HINT_NOP   = 0x0 << 5,
  19         AARCH64_INSN_HINT_YIELD = 0x1 << 5,
  20         AARCH64_INSN_HINT_WFE   = 0x2 << 5,
  21         AARCH64_INSN_HINT_WFI   = 0x3 << 5,
  22         AARCH64_INSN_HINT_SEV   = 0x4 << 5,
  23         AARCH64_INSN_HINT_SEVL  = 0x5 << 5,
  24
  25         AARCH64_INSN_HINT_XPACLRI    = 0x07 << 5,
  26         AARCH64_INSN_HINT_PACIA_1716 = 0x08 << 5,
  27         AARCH64_INSN_HINT_PACIB_1716 = 0x0A << 5,
  28         AARCH64_INSN_HINT_AUTIA_1716 = 0x0C << 5,
  29         AARCH64_INSN_HINT_AUTIB_1716 = 0x0E << 5,
  30         AARCH64_INSN_HINT_PACIAZ     = 0x18 << 5,
  31         AARCH64_INSN_HINT_PACIASP    = 0x19 << 5,
  32         AARCH64_INSN_HINT_PACIBZ     = 0x1A << 5,
  33         AARCH64_INSN_HINT_PACIBSP    = 0x1B << 5,
  34         AARCH64_INSN_HINT_AUTIAZ     = 0x1C << 5,
  35         AARCH64_INSN_HINT_AUTIASP    = 0x1D << 5,
  36         AARCH64_INSN_HINT_AUTIBZ     = 0x1E << 5,
  37         AARCH64_INSN_HINT_AUTIBSP    = 0x1F << 5,
  38
  39         AARCH64_INSN_HINT_ESB  = 0x10 << 5,
  40         AARCH64_INSN_HINT_PSB  = 0x11 << 5,
  41         AARCH64_INSN_HINT_TSB  = 0x12 << 5,
  42         AARCH64_INSN_HINT_CSDB = 0x14 << 5,
  43         AARCH64_INSN_HINT_CLEARBHB = 0x16 << 5,
  44
  45         AARCH64_INSN_HINT_BTI   = 0x20 << 5,
  46         AARCH64_INSN_HINT_BTIC  = 0x22 << 5,
  47         AARCH64_INSN_HINT_BTIJ  = 0x24 << 5,
  48         AARCH64_INSN_HINT_BTIJC = 0x26 << 5,
  49 };
  50
  51 enum aarch64_insn_imm_type {
  52         AARCH64_INSN_IMM_ADR,
  53         AARCH64_INSN_IMM_26,
  54         AARCH64_INSN_IMM_19,
  55         AARCH64_INSN_IMM_16,
  56         AARCH64_INSN_IMM_14,
  57         AARCH64_INSN_IMM_12,
  58         AARCH64_INSN_IMM_9,
  59         AARCH64_INSN_IMM_7,
  60         AARCH64_INSN_IMM_6,
  61         AARCH64_INSN_IMM_S,
  62         AARCH64_INSN_IMM_R,
  63         AARCH64_INSN_IMM_N,
  64         AARCH64_INSN_IMM_MAX
  65 };
  66
  67 enum aarch64_insn_register_type {
  68         AARCH64_INSN_REGTYPE_RT,
  69         AARCH64_INSN_REGTYPE_RN,
  70         AARCH64_INSN_REGTYPE_RT2,
  71         AARCH64_INSN_REGTYPE_RM,
  72         AARCH64_INSN_REGTYPE_RD,
  73         AARCH64_INSN_REGTYPE_RA,
  74         AARCH64_INSN_REGTYPE_RS,
  75 };
  76
  77 enum aarch64_insn_register {
  78         AARCH64_INSN_REG_0  = 0,
  79         AARCH64_INSN_REG_1  = 1,
  80         AARCH64_INSN_REG_2  = 2,
  81         AARCH64_INSN_REG_3  = 3,
  82         AARCH64_INSN_REG_4  = 4,
  83         AARCH64_INSN_REG_5  = 5,
  84         AARCH64_INSN_REG_6  = 6,
  85         AARCH64_INSN_REG_7  = 7,
  86         AARCH64_INSN_REG_8  = 8,
  87         AARCH64_INSN_REG_9  = 9,
  88         AARCH64_INSN_REG_10 = 10,
  89         AARCH64_INSN_REG_11 = 11,
  90         AARCH64_INSN_REG_12 = 12,
  91         AARCH64_INSN_REG_13 = 13,
  92         AARCH64_INSN_REG_14 = 14,
  93         AARCH64_INSN_REG_15 = 15,
  94         AARCH64_INSN_REG_16 = 16,
  95         AARCH64_INSN_REG_17 = 17,
  96         AARCH64_INSN_REG_18 = 18,
  97         AARCH64_INSN_REG_19 = 19,
  98         AARCH64_INSN_REG_20 = 20,
  99         AARCH64_INSN_REG_21 = 21,
 100         AARCH64_INSN_REG_22 = 22,
 101         AARCH64_INSN_REG_23 = 23,
 102         AARCH64_INSN_REG_24 = 24,
 103         AARCH64_INSN_REG_25 = 25,
 104         AARCH64_INSN_REG_26 = 26,
 105         AARCH64_INSN_REG_27 = 27,
 106         AARCH64_INSN_REG_28 = 28,
 107         AARCH64_INSN_REG_29 = 29,
 108         AARCH64_INSN_REG_FP = 29, /* Frame pointer */
 109         AARCH64_INSN_REG_30 = 30,
 110         AARCH64_INSN_REG_LR = 30, /* Link register */
 111         AARCH64_INSN_REG_ZR = 31, /* Zero: as source register */
 112         AARCH64_INSN_REG_SP = 31  /* Stack pointer: as load/store base reg */
 113 };
 114
 115 enum aarch64_insn_special_register {
 116         AARCH64_INSN_SPCLREG_SPSR_EL1   = 0xC200,
 117         AARCH64_INSN_SPCLREG_ELR_EL1    = 0xC201,
 118         AARCH64_INSN_SPCLREG_SP_EL0     = 0xC208,
 119         AARCH64_INSN_SPCLREG_SPSEL      = 0xC210,
 120         AARCH64_INSN_SPCLREG_CURRENTEL  = 0xC212,
 121         AARCH64_INSN_SPCLREG_DAIF       = 0xDA11,
 122         AARCH64_INSN_SPCLREG_NZCV       = 0xDA10,
 123         AARCH64_INSN_SPCLREG_FPCR       = 0xDA20,
 124         AARCH64_INSN_SPCLREG_DSPSR_EL0  = 0xDA28,
 125         AARCH64_INSN_SPCLREG_DLR_EL0    = 0xDA29,
 126         AARCH64_INSN_SPCLREG_SPSR_EL2   = 0xE200,
 127         AARCH64_INSN_SPCLREG_ELR_EL2    = 0xE201,
 128         AARCH64_INSN_SPCLREG_SP_EL1     = 0xE208,
 129         AARCH64_INSN_SPCLREG_SPSR_INQ   = 0xE218,
 130         AARCH64_INSN_SPCLREG_SPSR_ABT   = 0xE219,
 131         AARCH64_INSN_SPCLREG_SPSR_UND   = 0xE21A,
 132         AARCH64_INSN_SPCLREG_SPSR_FIQ   = 0xE21B,
 133         AARCH64_INSN_SPCLREG_SPSR_EL3   = 0xF200,
 134         AARCH64_INSN_SPCLREG_ELR_EL3    = 0xF201,
 135         AARCH64_INSN_SPCLREG_SP_EL2     = 0xF210
 136 };
 137
 138 enum aarch64_insn_variant {
 139         AARCH64_INSN_VARIANT_32BIT,
 140         AARCH64_INSN_VARIANT_64BIT
 141 };
 142
 143 enum aarch64_insn_condition {
 144         AARCH64_INSN_COND_EQ = 0x0, /* == */
 145         AARCH64_INSN_COND_NE = 0x1, /* != */
 146         AARCH64_INSN_COND_CS = 0x2, /* unsigned >= */
 147         AARCH64_INSN_COND_CC = 0x3, /* unsigned < */
 148         AARCH64_INSN_COND_MI = 0x4, /* < 0 */
 149         AARCH64_INSN_COND_PL = 0x5, /* >= 0 */
 150         AARCH64_INSN_COND_VS = 0x6, /* overflow */
 151         AARCH64_INSN_COND_VC = 0x7, /* no overflow */
 152         AARCH64_INSN_COND_HI = 0x8, /* unsigned > */
 153         AARCH64_INSN_COND_LS = 0x9, /* unsigned <= */
 154         AARCH64_INSN_COND_GE = 0xa, /* signed >= */
 155         AARCH64_INSN_COND_LT = 0xb, /* signed < */
 156         AARCH64_INSN_COND_GT = 0xc, /* signed > */
 157         AARCH64_INSN_COND_LE = 0xd, /* signed <= */
 158         AARCH64_INSN_COND_AL = 0xe, /* always */
 159 };
 160
 161 enum aarch64_insn_branch_type {
 162         AARCH64_INSN_BRANCH_NOLINK,
 163         AARCH64_INSN_BRANCH_LINK,
 164         AARCH64_INSN_BRANCH_RETURN,
 165         AARCH64_INSN_BRANCH_COMP_ZERO,
 166         AARCH64_INSN_BRANCH_COMP_NONZERO,
 167 };
 168
 169 enum aarch64_insn_size_type {
 170         AARCH64_INSN_SIZE_8,
 171         AARCH64_INSN_SIZE_16,
 172         AARCH64_INSN_SIZE_32,
 173         AARCH64_INSN_SIZE_64,
 174 };
 175
 176 enum aarch64_insn_ldst_type {
 177         AARCH64_INSN_LDST_LOAD_REG_OFFSET,
 178         AARCH64_INSN_LDST_STORE_REG_OFFSET,
 179         AARCH64_INSN_LDST_LOAD_IMM_OFFSET,
 180         AARCH64_INSN_LDST_STORE_IMM_OFFSET,
 181         AARCH64_INSN_LDST_LOAD_PAIR_PRE_INDEX,
 182         AARCH64_INSN_LDST_STORE_PAIR_PRE_INDEX,
 183         AARCH64_INSN_LDST_LOAD_PAIR_POST_INDEX,
 184         AARCH64_INSN_LDST_STORE_PAIR_POST_INDEX,
 185         AARCH64_INSN_LDST_LOAD_EX,
 186         AARCH64_INSN_LDST_LOAD_ACQ_EX,
 187         AARCH64_INSN_LDST_STORE_EX,
 188         AARCH64_INSN_LDST_STORE_REL_EX,
 189         AARCH64_INSN_LDST_SIGNED_LOAD_IMM_OFFSET,
 190         AARCH64_INSN_LDST_SIGNED_LOAD_REG_OFFSET,
 191 };
 192
 193 enum aarch64_insn_adsb_type {
 194         AARCH64_INSN_ADSB_ADD,
 195         AARCH64_INSN_ADSB_SUB,
 196         AARCH64_INSN_ADSB_ADD_SETFLAGS,
 197         AARCH64_INSN_ADSB_SUB_SETFLAGS
 198 };
 199
 200 enum aarch64_insn_movewide_type {
 201         AARCH64_INSN_MOVEWIDE_ZERO,
 202         AARCH64_INSN_MOVEWIDE_KEEP,
 203         AARCH64_INSN_MOVEWIDE_INVERSE
 204 };
 205
 206 enum aarch64_insn_bitfield_type {
 207         AARCH64_INSN_BITFIELD_MOVE,
 208         AARCH64_INSN_BITFIELD_MOVE_UNSIGNED,
 209         AARCH64_INSN_BITFIELD_MOVE_SIGNED
 210 };
 211
 212 enum aarch64_insn_data1_type {
 213         AARCH64_INSN_DATA1_REVERSE_16,
 214         AARCH64_INSN_DATA1_REVERSE_32,
 215         AARCH64_INSN_DATA1_REVERSE_64,
 216 };
 217
 218 enum aarch64_insn_data2_type {
 219         AARCH64_INSN_DATA2_UDIV,
 220         AARCH64_INSN_DATA2_SDIV,
 221         AARCH64_INSN_DATA2_LSLV,
 222         AARCH64_INSN_DATA2_LSRV,
 223         AARCH64_INSN_DATA2_ASRV,
 224         AARCH64_INSN_DATA2_RORV,
 225 };
 226
 227 enum aarch64_insn_data3_type {
 228         AARCH64_INSN_DATA3_MADD,
 229         AARCH64_INSN_DATA3_MSUB,
 230 };
 231
 232 enum aarch64_insn_logic_type {
 233         AARCH64_INSN_LOGIC_AND,
 234         AARCH64_INSN_LOGIC_BIC,
 235         AARCH64_INSN_LOGIC_ORR,
 236         AARCH64_INSN_LOGIC_ORN,
 237         AARCH64_INSN_LOGIC_EOR,
 238         AARCH64_INSN_LOGIC_EON,
 239         AARCH64_INSN_LOGIC_AND_SETFLAGS,
 240         AARCH64_INSN_LOGIC_BIC_SETFLAGS
 241 };
 242
 243 enum aarch64_insn_prfm_type {
 244         AARCH64_INSN_PRFM_TYPE_PLD,
 245         AARCH64_INSN_PRFM_TYPE_PLI,
 246         AARCH64_INSN_PRFM_TYPE_PST,
 247 };
 248
 249 enum aarch64_insn_prfm_target {
 250         AARCH64_INSN_PRFM_TARGET_L1,
 251         AARCH64_INSN_PRFM_TARGET_L2,
 252         AARCH64_INSN_PRFM_TARGET_L3,
 253 };
 254
 255 enum aarch64_insn_prfm_policy {
 256         AARCH64_INSN_PRFM_POLICY_KEEP,
 257         AARCH64_INSN_PRFM_POLICY_STRM,
 258 };
 259
 260 enum aarch64_insn_adr_type {
 261         AARCH64_INSN_ADR_TYPE_ADRP,
 262         AARCH64_INSN_ADR_TYPE_ADR,
 263 };
 264
 265 enum aarch64_insn_mem_atomic_op {
 266         AARCH64_INSN_MEM_ATOMIC_ADD,
 267         AARCH64_INSN_MEM_ATOMIC_CLR,
 268         AARCH64_INSN_MEM_ATOMIC_EOR,
 269         AARCH64_INSN_MEM_ATOMIC_SET,
 270         AARCH64_INSN_MEM_ATOMIC_SWP,
 271 };
 272
 273 enum aarch64_insn_mem_order_type {
 274         AARCH64_INSN_MEM_ORDER_NONE,
 275         AARCH64_INSN_MEM_ORDER_ACQ,
 276         AARCH64_INSN_MEM_ORDER_REL,
 277         AARCH64_INSN_MEM_ORDER_ACQREL,
 278 };
 279
 280 enum aarch64_insn_mb_type {
 281         AARCH64_INSN_MB_SY,
 282         AARCH64_INSN_MB_ST,
 283         AARCH64_INSN_MB_LD,
 284         AARCH64_INSN_MB_ISH,
 285         AARCH64_INSN_MB_ISHST,
 286         AARCH64_INSN_MB_ISHLD,
 287         AARCH64_INSN_MB_NSH,
 288         AARCH64_INSN_MB_NSHST,
 289         AARCH64_INSN_MB_NSHLD,
 290         AARCH64_INSN_MB_OSH,
 291         AARCH64_INSN_MB_OSHST,
 292         AARCH64_INSN_MB_OSHLD,
 293 };
 294
 295 #define __AARCH64_INSN_FUNCS(abbr, mask, val)                           \
 296 static __always_inline bool aarch64_insn_is_##abbr(u32 code)            \
 297 {                                                                       \
 298         BUILD_BUG_ON(~(mask) & (val));                                  \
 299         return (code & (mask)) == (val);                                \
 300 }                                                                       \
 301 static __always_inline u32 aarch64_insn_get_##abbr##_value(void)        \
 302 {                                                                       \
 303         return (val);                                                   \
 304 }
 305
 306 /*
 307  * ARM Architecture Reference Manual for ARMv8 Profile-A, Issue A.a
 308  * Section C3.1 "A64 instruction index by encoding":
 309  * AArch64 main encoding table
 310  *  Bit position
 311  *   28 27 26 25        Encoding Group
 312  *   0  0  -  -         Unallocated
 313  *   1  0  0  -         Data processing, immediate
 314  *   1  0  1  -         Branch, exception generation and system instructions
 315  *   -  1  -  0         Loads and stores
 316  *   -  1  0  1         Data processing - register
 317  *   0  1  1  1         Data processing - SIMD and floating point
 318  *   1  1  1  1         Data processing - SIMD and floating point
 319  * "-" means "don't care"
 320  */
 321 __AARCH64_INSN_FUNCS(class_branch_sys,  0x1c000000, 0x14000000)
 322
 323 __AARCH64_INSN_FUNCS(adr,       0x9F000000, 0x10000000)
 324 __AARCH64_INSN_FUNCS(adrp,      0x9F000000, 0x90000000)
 325 __AARCH64_INSN_FUNCS(prfm,      0x3FC00000, 0x39800000)
 326 __AARCH64_INSN_FUNCS(prfm_lit,  0xFF000000, 0xD8000000)
 327 __AARCH64_INSN_FUNCS(store_imm, 0x3FC00000, 0x39000000)
 328 __AARCH64_INSN_FUNCS(load_imm,  0x3FC00000, 0x39400000)
 329 __AARCH64_INSN_FUNCS(signed_load_imm, 0X3FC00000, 0x39800000)
 330 __AARCH64_INSN_FUNCS(store_pre, 0x3FE00C00, 0x38000C00)
 331 __AARCH64_INSN_FUNCS(load_pre,  0x3FE00C00, 0x38400C00)
 332 __AARCH64_INSN_FUNCS(store_post,        0x3FE00C00, 0x38000400)
 333 __AARCH64_INSN_FUNCS(load_post, 0x3FE00C00, 0x38400400)
 334 __AARCH64_INSN_FUNCS(str_reg,   0x3FE0EC00, 0x38206800)
 335 __AARCH64_INSN_FUNCS(str_imm,   0x3FC00000, 0x39000000)
 336 __AARCH64_INSN_FUNCS(ldadd,     0x3F20FC00, 0x38200000)
 337 __AARCH64_INSN_FUNCS(ldclr,     0x3F20FC00, 0x38201000)
 338 __AARCH64_INSN_FUNCS(ldeor,     0x3F20FC00, 0x38202000)
 339 __AARCH64_INSN_FUNCS(ldset,     0x3F20FC00, 0x38203000)
 340 __AARCH64_INSN_FUNCS(swp,       0x3F20FC00, 0x38208000)
 341 __AARCH64_INSN_FUNCS(cas,       0x3FA07C00, 0x08A07C00)
 342 __AARCH64_INSN_FUNCS(ldr_reg,   0x3FE0EC00, 0x38606800)
 343 __AARCH64_INSN_FUNCS(signed_ldr_reg, 0X3FE0FC00, 0x38A0E800)
 344 __AARCH64_INSN_FUNCS(ldr_imm,   0x3FC00000, 0x39400000)
 345 __AARCH64_INSN_FUNCS(ldr_lit,   0xBF000000, 0x18000000)
 346 __AARCH64_INSN_FUNCS(ldrsw_lit, 0xFF000000, 0x98000000)
 347 __AARCH64_INSN_FUNCS(exclusive, 0x3F800000, 0x08000000)
 348 __AARCH64_INSN_FUNCS(load_ex,   0x3F400000, 0x08400000)
 349 __AARCH64_INSN_FUNCS(store_ex,  0x3F400000, 0x08000000)
 350 __AARCH64_INSN_FUNCS(stp,       0x7FC00000, 0x29000000)
 351 __AARCH64_INSN_FUNCS(ldp,       0x7FC00000, 0x29400000)
 352 __AARCH64_INSN_FUNCS(stp_post,  0x7FC00000, 0x28800000)
 353 __AARCH64_INSN_FUNCS(ldp_post,  0x7FC00000, 0x28C00000)
 354 __AARCH64_INSN_FUNCS(stp_pre,   0x7FC00000, 0x29800000)
 355 __AARCH64_INSN_FUNCS(ldp_pre,   0x7FC00000, 0x29C00000)
 356 __AARCH64_INSN_FUNCS(add_imm,   0x7F000000, 0x11000000)
 357 __AARCH64_INSN_FUNCS(adds_imm,  0x7F000000, 0x31000000)
 358 __AARCH64_INSN_FUNCS(sub_imm,   0x7F000000, 0x51000000)
 359 __AARCH64_INSN_FUNCS(subs_imm,  0x7F000000, 0x71000000)
 360 __AARCH64_INSN_FUNCS(movn,      0x7F800000, 0x12800000)
 361 __AARCH64_INSN_FUNCS(sbfm,      0x7F800000, 0x13000000)
 362 __AARCH64_INSN_FUNCS(bfm,       0x7F800000, 0x33000000)
 363 __AARCH64_INSN_FUNCS(movz,      0x7F800000, 0x52800000)
 364 __AARCH64_INSN_FUNCS(ubfm,      0x7F800000, 0x53000000)
 365 __AARCH64_INSN_FUNCS(movk,      0x7F800000, 0x72800000)
 366 __AARCH64_INSN_FUNCS(add,       0x7F200000, 0x0B000000)
 367 __AARCH64_INSN_FUNCS(adds,      0x7F200000, 0x2B000000)
 368 __AARCH64_INSN_FUNCS(sub,       0x7F200000, 0x4B000000)
 369 __AARCH64_INSN_FUNCS(subs,      0x7F200000, 0x6B000000)
 370 __AARCH64_INSN_FUNCS(madd,      0x7FE08000, 0x1B000000)
 371 __AARCH64_INSN_FUNCS(msub,      0x7FE08000, 0x1B008000)
 372 __AARCH64_INSN_FUNCS(udiv,      0x7FE0FC00, 0x1AC00800)
 373 __AARCH64_INSN_FUNCS(sdiv,      0x7FE0FC00, 0x1AC00C00)
 374 __AARCH64_INSN_FUNCS(lslv,      0x7FE0FC00, 0x1AC02000)
 375 __AARCH64_INSN_FUNCS(lsrv,      0x7FE0FC00, 0x1AC02400)
 376 __AARCH64_INSN_FUNCS(asrv,      0x7FE0FC00, 0x1AC02800)
 377 __AARCH64_INSN_FUNCS(rorv,      0x7FE0FC00, 0x1AC02C00)
 378 __AARCH64_INSN_FUNCS(rev16,     0x7FFFFC00, 0x5AC00400)
 379 __AARCH64_INSN_FUNCS(rev32,     0x7FFFFC00, 0x5AC00800)
 380 __AARCH64_INSN_FUNCS(rev64,     0x7FFFFC00, 0x5AC00C00)
 381 __AARCH64_INSN_FUNCS(and,       0x7F200000, 0x0A000000)
 382 __AARCH64_INSN_FUNCS(bic,       0x7F200000, 0x0A200000)
 383 __AARCH64_INSN_FUNCS(orr,       0x7F200000, 0x2A000000)
 384 __AARCH64_INSN_FUNCS(mov_reg,   0x7FE0FFE0, 0x2A0003E0)
 385 __AARCH64_INSN_FUNCS(orn,       0x7F200000, 0x2A200000)
 386 __AARCH64_INSN_FUNCS(eor,       0x7F200000, 0x4A000000)
 387 __AARCH64_INSN_FUNCS(eon,       0x7F200000, 0x4A200000)
 388 __AARCH64_INSN_FUNCS(ands,      0x7F200000, 0x6A000000)
 389 __AARCH64_INSN_FUNCS(bics,      0x7F200000, 0x6A200000)
 390 __AARCH64_INSN_FUNCS(and_imm,   0x7F800000, 0x12000000)
 391 __AARCH64_INSN_FUNCS(orr_imm,   0x7F800000, 0x32000000)
 392 __AARCH64_INSN_FUNCS(eor_imm,   0x7F800000, 0x52000000)
 393 __AARCH64_INSN_FUNCS(ands_imm,  0x7F800000, 0x72000000)
 394 __AARCH64_INSN_FUNCS(extr,      0x7FA00000, 0x13800000)
 395 __AARCH64_INSN_FUNCS(b,         0xFC000000, 0x14000000)
 396 __AARCH64_INSN_FUNCS(bl,        0xFC000000, 0x94000000)
 397 __AARCH64_INSN_FUNCS(cbz,       0x7F000000, 0x34000000)
 398 __AARCH64_INSN_FUNCS(cbnz,      0x7F000000, 0x35000000)
 399 __AARCH64_INSN_FUNCS(tbz,       0x7F000000, 0x36000000)
 400 __AARCH64_INSN_FUNCS(tbnz,      0x7F000000, 0x37000000)
 401 __AARCH64_INSN_FUNCS(bcond,     0xFF000010, 0x54000000)
 402 __AARCH64_INSN_FUNCS(svc,       0xFFE0001F, 0xD4000001)
 403 __AARCH64_INSN_FUNCS(hvc,       0xFFE0001F, 0xD4000002)
 404 __AARCH64_INSN_FUNCS(smc,       0xFFE0001F, 0xD4000003)
 405 __AARCH64_INSN_FUNCS(brk,       0xFFE0001F, 0xD4200000)
 406 __AARCH64_INSN_FUNCS(exception, 0xFF000000, 0xD4000000)
 407 __AARCH64_INSN_FUNCS(hint,      0xFFFFF01F, 0xD503201F)
 408 __AARCH64_INSN_FUNCS(br,        0xFFFFFC1F, 0xD61F0000)
 409 __AARCH64_INSN_FUNCS(br_auth,   0xFEFFF800, 0xD61F0800)
 410 __AARCH64_INSN_FUNCS(blr,       0xFFFFFC1F, 0xD63F0000)
 411 __AARCH64_INSN_FUNCS(blr_auth,  0xFEFFF800, 0xD63F0800)
 412 __AARCH64_INSN_FUNCS(ret,       0xFFFFFC1F, 0xD65F0000)
 413 __AARCH64_INSN_FUNCS(ret_auth,  0xFFFFFBFF, 0xD65F0BFF)
 414 __AARCH64_INSN_FUNCS(eret,      0xFFFFFFFF, 0xD69F03E0)
 415 __AARCH64_INSN_FUNCS(eret_auth, 0xFFFFFBFF, 0xD69F0BFF)
 416 __AARCH64_INSN_FUNCS(mrs,       0xFFF00000, 0xD5300000)
 417 __AARCH64_INSN_FUNCS(msr_imm,   0xFFF8F01F, 0xD500401F)
 418 __AARCH64_INSN_FUNCS(msr_reg,   0xFFF00000, 0xD5100000)
 419 __AARCH64_INSN_FUNCS(dmb,       0xFFFFF0FF, 0xD50330BF)
 420 __AARCH64_INSN_FUNCS(dsb_base,  0xFFFFF0FF, 0xD503309F)
 421 __AARCH64_INSN_FUNCS(dsb_nxs,   0xFFFFF3FF, 0xD503323F)
 422 __AARCH64_INSN_FUNCS(isb,       0xFFFFF0FF, 0xD50330DF)
 423 __AARCH64_INSN_FUNCS(sb,        0xFFFFFFFF, 0xD50330FF)
 424 __AARCH64_INSN_FUNCS(clrex,     0xFFFFF0FF, 0xD503305F)
 425 __AARCH64_INSN_FUNCS(ssbb,      0xFFFFFFFF, 0xD503309F)
 426 __AARCH64_INSN_FUNCS(pssbb,     0xFFFFFFFF, 0xD503349F)
 427 __AARCH64_INSN_FUNCS(bti,       0xFFFFFF3F, 0xD503241f)
 428
 429 #undef  __AARCH64_INSN_FUNCS
 430
 431 static __always_inline bool aarch64_insn_is_steppable_hint(u32 insn)
 432 {
 433         if (!aarch64_insn_is_hint(insn))
 434                 return false;
 435
 436         switch (insn & 0xFE0) {
 437         case AARCH64_INSN_HINT_XPACLRI:
 438         case AARCH64_INSN_HINT_PACIA_1716:
 439         case AARCH64_INSN_HINT_PACIB_1716:
 440         case AARCH64_INSN_HINT_PACIAZ:
 441         case AARCH64_INSN_HINT_PACIASP:
 442         case AARCH64_INSN_HINT_PACIBZ:
 443         case AARCH64_INSN_HINT_PACIBSP:
 444         case AARCH64_INSN_HINT_BTI:
 445         case AARCH64_INSN_HINT_BTIC:
 446         case AARCH64_INSN_HINT_BTIJ:
 447         case AARCH64_INSN_HINT_BTIJC:
 448         case AARCH64_INSN_HINT_NOP:
 449                 return true;
 450         default:
 451                 return false;
 452         }
 453 }
 454
 455 static __always_inline bool aarch64_insn_is_branch(u32 insn)
 456 {
 457         /* b, bl, cb*, tb*, ret*, b.cond, br*, blr* */
 458
 459         return aarch64_insn_is_b(insn) ||
 460                aarch64_insn_is_bl(insn) ||
 461                aarch64_insn_is_cbz(insn) ||
 462                aarch64_insn_is_cbnz(insn) ||
 463                aarch64_insn_is_tbz(insn) ||
 464                aarch64_insn_is_tbnz(insn) ||
 465                aarch64_insn_is_ret(insn) ||
 466                aarch64_insn_is_ret_auth(insn) ||
 467                aarch64_insn_is_br(insn) ||
 468                aarch64_insn_is_br_auth(insn) ||
 469                aarch64_insn_is_blr(insn) ||
 470                aarch64_insn_is_blr_auth(insn) ||
 471                aarch64_insn_is_bcond(insn);
 472 }
 473
 474 static __always_inline bool aarch64_insn_is_branch_imm(u32 insn)
 475 {
 476         return aarch64_insn_is_b(insn) ||
 477                aarch64_insn_is_bl(insn) ||
 478                aarch64_insn_is_tbz(insn) ||
 479                aarch64_insn_is_tbnz(insn) ||
 480                aarch64_insn_is_cbz(insn) ||
 481                aarch64_insn_is_cbnz(insn) ||
 482                aarch64_insn_is_bcond(insn);
 483 }
 484
 485 static __always_inline bool aarch64_insn_is_adr_adrp(u32 insn)
 486 {
 487         return aarch64_insn_is_adr(insn) ||
 488                aarch64_insn_is_adrp(insn);
 489 }
 490
 491 static __always_inline bool aarch64_insn_is_dsb(u32 insn)
 492 {
 493         return aarch64_insn_is_dsb_base(insn) ||
 494                aarch64_insn_is_dsb_nxs(insn);
 495 }
 496
 497 static __always_inline bool aarch64_insn_is_barrier(u32 insn)
 498 {
 499         return aarch64_insn_is_dmb(insn) ||
 500                aarch64_insn_is_dsb(insn) ||
 501                aarch64_insn_is_isb(insn) ||
 502                aarch64_insn_is_sb(insn) ||
 503                aarch64_insn_is_clrex(insn) ||
 504                aarch64_insn_is_ssbb(insn) ||
 505                aarch64_insn_is_pssbb(insn);
 506 }
 507
 508 static __always_inline bool aarch64_insn_is_store_single(u32 insn)
 509 {
 510         return aarch64_insn_is_store_imm(insn) ||
 511                aarch64_insn_is_store_pre(insn) ||
 512                aarch64_insn_is_store_post(insn);
 513 }
 514
 515 static __always_inline bool aarch64_insn_is_store_pair(u32 insn)
 516 {
 517         return aarch64_insn_is_stp(insn) ||
 518                aarch64_insn_is_stp_pre(insn) ||
 519                aarch64_insn_is_stp_post(insn);
 520 }
 521
 522 static __always_inline bool aarch64_insn_is_load_single(u32 insn)
 523 {
 524         return aarch64_insn_is_load_imm(insn) ||
 525                aarch64_insn_is_load_pre(insn) ||
 526                aarch64_insn_is_load_post(insn);
 527 }
 528
 529 static __always_inline bool aarch64_insn_is_load_pair(u32 insn)
 530 {
 531         return aarch64_insn_is_ldp(insn) ||
 532                aarch64_insn_is_ldp_pre(insn) ||
 533                aarch64_insn_is_ldp_post(insn);
 534 }
 535
 536 static __always_inline bool aarch64_insn_uses_literal(u32 insn)
 537 {
 538         /* ldr/ldrsw (literal), prfm */
 539
 540         return aarch64_insn_is_ldr_lit(insn) ||
 541                aarch64_insn_is_ldrsw_lit(insn) ||
 542                aarch64_insn_is_adr_adrp(insn) ||
 543                aarch64_insn_is_prfm_lit(insn);
 544 }
 545
 546 enum aarch64_insn_encoding_class aarch64_get_insn_class(u32 insn);
 547 u64 aarch64_insn_decode_immediate(enum aarch64_insn_imm_type type, u32 insn);
 548 u32 aarch64_insn_encode_immediate(enum aarch64_insn_imm_type type,
 549                                   u32 insn, u64 imm);
 550 u32 aarch64_insn_decode_register(enum aarch64_insn_register_type type,
 551                                          u32 insn);
 552 u32 aarch64_insn_gen_branch_imm(unsigned long pc, unsigned long addr,
 553                                 enum aarch64_insn_branch_type type);
 554 u32 aarch64_insn_gen_comp_branch_imm(unsigned long pc, unsigned long addr,
 555                                      enum aarch64_insn_register reg,
 556                                      enum aarch64_insn_variant variant,
 557                                      enum aarch64_insn_branch_type type);
 558 u32 aarch64_insn_gen_cond_branch_imm(unsigned long pc, unsigned long addr,
 559                                      enum aarch64_insn_condition cond);
 560
 561 static __always_inline u32
 562 aarch64_insn_gen_hint(enum aarch64_insn_hint_cr_op op)
 563 {
 564         return aarch64_insn_get_hint_value() | op;
 565 }
 566
 567 static __always_inline u32 aarch64_insn_gen_nop(void)
 568 {
 569         return aarch64_insn_gen_hint(AARCH64_INSN_HINT_NOP);
 570 }
 571
 572 u32 aarch64_insn_gen_branch_reg(enum aarch64_insn_register reg,
 573                                 enum aarch64_insn_branch_type type);
 574 u32 aarch64_insn_gen_load_store_reg(enum aarch64_insn_register reg,
 575                                     enum aarch64_insn_register base,
 576                                     enum aarch64_insn_register offset,
 577                                     enum aarch64_insn_size_type size,
 578                                     enum aarch64_insn_ldst_type type);
 579 u32 aarch64_insn_gen_load_store_imm(enum aarch64_insn_register reg,
 580                                     enum aarch64_insn_register base,
 581                                     unsigned int imm,
 582                                     enum aarch64_insn_size_type size,
 583                                     enum aarch64_insn_ldst_type type);
 584 u32 aarch64_insn_gen_load_literal(unsigned long pc, unsigned long addr,
 585                                   enum aarch64_insn_register reg,
 586                                   bool is64bit);
 587 u32 aarch64_insn_gen_load_store_pair(enum aarch64_insn_register reg1,
 588                                      enum aarch64_insn_register reg2,
 589                                      enum aarch64_insn_register base,
 590                                      int offset,
 591                                      enum aarch64_insn_variant variant,
 592                                      enum aarch64_insn_ldst_type type);
 593 u32 aarch64_insn_gen_load_store_ex(enum aarch64_insn_register reg,
 594                                    enum aarch64_insn_register base,
 595                                    enum aarch64_insn_register state,
 596                                    enum aarch64_insn_size_type size,
 597                                    enum aarch64_insn_ldst_type type);
 598 u32 aarch64_insn_gen_add_sub_imm(enum aarch64_insn_register dst,
 599                                  enum aarch64_insn_register src,
 600                                  int imm, enum aarch64_insn_variant variant,
 601                                  enum aarch64_insn_adsb_type type);
 602 u32 aarch64_insn_gen_adr(unsigned long pc, unsigned long addr,
 603                          enum aarch64_insn_register reg,
 604                          enum aarch64_insn_adr_type type);
 605 u32 aarch64_insn_gen_bitfield(enum aarch64_insn_register dst,
 606                               enum aarch64_insn_register src,
 607                               int immr, int imms,
 608                               enum aarch64_insn_variant variant,
 609                               enum aarch64_insn_bitfield_type type);
 610 u32 aarch64_insn_gen_movewide(enum aarch64_insn_register dst,
 611                               int imm, int shift,
 612                               enum aarch64_insn_variant variant,
 613                               enum aarch64_insn_movewide_type type);
 614 u32 aarch64_insn_gen_add_sub_shifted_reg(enum aarch64_insn_register dst,
 615                                          enum aarch64_insn_register src,
 616                                          enum aarch64_insn_register reg,
 617                                          int shift,
 618                                          enum aarch64_insn_variant variant,
 619                                          enum aarch64_insn_adsb_type type);
 620 u32 aarch64_insn_gen_data1(enum aarch64_insn_register dst,
 621                            enum aarch64_insn_register src,
 622                            enum aarch64_insn_variant variant,
 623                            enum aarch64_insn_data1_type type);
 624 u32 aarch64_insn_gen_data2(enum aarch64_insn_register dst,
 625                            enum aarch64_insn_register src,
 626                            enum aarch64_insn_register reg,
 627                            enum aarch64_insn_variant variant,
 628                            enum aarch64_insn_data2_type type);
 629 u32 aarch64_insn_gen_data3(enum aarch64_insn_register dst,
 630                            enum aarch64_insn_register src,
 631                            enum aarch64_insn_register reg1,
 632                            enum aarch64_insn_register reg2,
 633                            enum aarch64_insn_variant variant,
 634                            enum aarch64_insn_data3_type type);
 635 u32 aarch64_insn_gen_logical_shifted_reg(enum aarch64_insn_register dst,
 636                                          enum aarch64_insn_register src,
 637                                          enum aarch64_insn_register reg,
 638                                          int shift,
 639                                          enum aarch64_insn_variant variant,
 640                                          enum aarch64_insn_logic_type type);
 641 u32 aarch64_insn_gen_move_reg(enum aarch64_insn_register dst,
 642                               enum aarch64_insn_register src,
 643                               enum aarch64_insn_variant variant);
 644 u32 aarch64_insn_gen_logical_immediate(enum aarch64_insn_logic_type type,
 645                                        enum aarch64_insn_variant variant,
 646                                        enum aarch64_insn_register Rn,
 647                                        enum aarch64_insn_register Rd,
 648                                        u64 imm);
 649 u32 aarch64_insn_gen_extr(enum aarch64_insn_variant variant,
 650                           enum aarch64_insn_register Rm,
 651                           enum aarch64_insn_register Rn,
 652                           enum aarch64_insn_register Rd,
 653                           u8 lsb);
 654 #ifdef CONFIG_ARM64_LSE_ATOMICS
 655 u32 aarch64_insn_gen_atomic_ld_op(enum aarch64_insn_register result,
 656                                   enum aarch64_insn_register address,
 657                                   enum aarch64_insn_register value,
 658                                   enum aarch64_insn_size_type size,
 659                                   enum aarch64_insn_mem_atomic_op op,
 660                                   enum aarch64_insn_mem_order_type order);
 661 u32 aarch64_insn_gen_cas(enum aarch64_insn_register result,
 662                          enum aarch64_insn_register address,
 663                          enum aarch64_insn_register value,
 664                          enum aarch64_insn_size_type size,
 665                          enum aarch64_insn_mem_order_type order);
 666 #else
 667 static inline
 668 u32 aarch64_insn_gen_atomic_ld_op(enum aarch64_insn_register result,
 669                                   enum aarch64_insn_register address,
 670                                   enum aarch64_insn_register value,
 671                                   enum aarch64_insn_size_type size,
 672                                   enum aarch64_insn_mem_atomic_op op,
 673                                   enum aarch64_insn_mem_order_type order)
 674 {
 675         return AARCH64_BREAK_FAULT;
 676 }
 677
 678 static inline
 679 u32 aarch64_insn_gen_cas(enum aarch64_insn_register result,
 680                          enum aarch64_insn_register address,
 681                          enum aarch64_insn_register value,
 682                          enum aarch64_insn_size_type size,
 683                          enum aarch64_insn_mem_order_type order)
 684 {
 685         return AARCH64_BREAK_FAULT;
 686 }
 687 #endif
 688 u32 aarch64_insn_gen_dmb(enum aarch64_insn_mb_type type);
 689
 690 s32 aarch64_get_branch_offset(u32 insn);
 691 u32 aarch64_set_branch_offset(u32 insn, s32 offset);
 692
 693 s32 aarch64_insn_adrp_get_offset(u32 insn);
 694 u32 aarch64_insn_adrp_set_offset(u32 insn, s32 offset);
 695
 696 bool aarch32_insn_is_wide(u32 insn);
 697
 698 #define A32_RN_OFFSET   16
 699 #define A32_RT_OFFSET   12
 700 #define A32_RT2_OFFSET   0
 701
 702 u32 aarch64_insn_extract_system_reg(u32 insn);
 703 u32 aarch32_insn_extract_reg_num(u32 insn, int offset);
 704 u32 aarch32_insn_mcr_extract_opc2(u32 insn);
 705 u32 aarch32_insn_mcr_extract_crm(u32 insn);
 706
 707 typedef bool (pstate_check_t)(unsigned long);
 708 extern pstate_check_t * const aarch32_opcode_cond_checks[16];
 709
 710 #endif /* __ASSEMBLY__ */
 711
 712 #endif  /* __ASM_INSN_H */