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 }; 190 191 enum aarch64_insn_adsb_type { 192 AARCH64_INSN_ADSB_ADD, 193 AARCH64_INSN_ADSB_SUB, 194 AARCH64_INSN_ADSB_ADD_SETFLAGS, 195 AARCH64_INSN_ADSB_SUB_SETFLAGS 196 }; 197 198 enum aarch64_insn_movewide_type { 199 AARCH64_INSN_MOVEWIDE_ZERO, 200 AARCH64_INSN_MOVEWIDE_KEEP, 201 AARCH64_INSN_MOVEWIDE_INVERSE 202 }; 203 204 enum aarch64_insn_bitfield_type { 205 AARCH64_INSN_BITFIELD_MOVE, 206 AARCH64_INSN_BITFIELD_MOVE_UNSIGNED, 207 AARCH64_INSN_BITFIELD_MOVE_SIGNED 208 }; 209 210 enum aarch64_insn_data1_type { 211 AARCH64_INSN_DATA1_REVERSE_16, 212 AARCH64_INSN_DATA1_REVERSE_32, 213 AARCH64_INSN_DATA1_REVERSE_64, 214 }; 215 216 enum aarch64_insn_data2_type { 217 AARCH64_INSN_DATA2_UDIV, 218 AARCH64_INSN_DATA2_SDIV, 219 AARCH64_INSN_DATA2_LSLV, 220 AARCH64_INSN_DATA2_LSRV, 221 AARCH64_INSN_DATA2_ASRV, 222 AARCH64_INSN_DATA2_RORV, 223 }; 224 225 enum aarch64_insn_data3_type { 226 AARCH64_INSN_DATA3_MADD, 227 AARCH64_INSN_DATA3_MSUB, 228 }; 229 230 enum aarch64_insn_logic_type { 231 AARCH64_INSN_LOGIC_AND, 232 AARCH64_INSN_LOGIC_BIC, 233 AARCH64_INSN_LOGIC_ORR, 234 AARCH64_INSN_LOGIC_ORN, 235 AARCH64_INSN_LOGIC_EOR, 236 AARCH64_INSN_LOGIC_EON, 237 AARCH64_INSN_LOGIC_AND_SETFLAGS, 238 AARCH64_INSN_LOGIC_BIC_SETFLAGS 239 }; 240 241 enum aarch64_insn_prfm_type { 242 AARCH64_INSN_PRFM_TYPE_PLD, 243 AARCH64_INSN_PRFM_TYPE_PLI, 244 AARCH64_INSN_PRFM_TYPE_PST, 245 }; 246 247 enum aarch64_insn_prfm_target { 248 AARCH64_INSN_PRFM_TARGET_L1, 249 AARCH64_INSN_PRFM_TARGET_L2, 250 AARCH64_INSN_PRFM_TARGET_L3, 251 }; 252 253 enum aarch64_insn_prfm_policy { 254 AARCH64_INSN_PRFM_POLICY_KEEP, 255 AARCH64_INSN_PRFM_POLICY_STRM, 256 }; 257 258 enum aarch64_insn_adr_type { 259 AARCH64_INSN_ADR_TYPE_ADRP, 260 AARCH64_INSN_ADR_TYPE_ADR, 261 }; 262 263 enum aarch64_insn_mem_atomic_op { 264 AARCH64_INSN_MEM_ATOMIC_ADD, 265 AARCH64_INSN_MEM_ATOMIC_CLR, 266 AARCH64_INSN_MEM_ATOMIC_EOR, 267 AARCH64_INSN_MEM_ATOMIC_SET, 268 AARCH64_INSN_MEM_ATOMIC_SWP, 269 }; 270 271 enum aarch64_insn_mem_order_type { 272 AARCH64_INSN_MEM_ORDER_NONE, 273 AARCH64_INSN_MEM_ORDER_ACQ, 274 AARCH64_INSN_MEM_ORDER_REL, 275 AARCH64_INSN_MEM_ORDER_ACQREL, 276 }; 277 278 enum aarch64_insn_mb_type { 279 AARCH64_INSN_MB_SY, 280 AARCH64_INSN_MB_ST, 281 AARCH64_INSN_MB_LD, 282 AARCH64_INSN_MB_ISH, 283 AARCH64_INSN_MB_ISHST, 284 AARCH64_INSN_MB_ISHLD, 285 AARCH64_INSN_MB_NSH, 286 AARCH64_INSN_MB_NSHST, 287 AARCH64_INSN_MB_NSHLD, 288 AARCH64_INSN_MB_OSH, 289 AARCH64_INSN_MB_OSHST, 290 AARCH64_INSN_MB_OSHLD, 291 }; 292 293 #define __AARCH64_INSN_FUNCS(abbr, mask, val) \ 294 static __always_inline bool aarch64_insn_is_##abbr(u32 code) \ 295 { \ 296 BUILD_BUG_ON(~(mask) & (val)); \ 297 return (code & (mask)) == (val); \ 298 } \ 299 static __always_inline u32 aarch64_insn_get_##abbr##_value(void) \ 300 { \ 301 return (val); \ 302 } 303 304 /* 305 * ARM Architecture Reference Manual for ARMv8 Profile-A, Issue A.a 306 * Section C3.1 "A64 instruction index by encoding": 307 * AArch64 main encoding table 308 * Bit position 309 * 28 27 26 25 Encoding Group 310 * 0 0 - - Unallocated 311 * 1 0 0 - Data processing, immediate 312 * 1 0 1 - Branch, exception generation and system instructions 313 * - 1 - 0 Loads and stores 314 * - 1 0 1 Data processing - register 315 * 0 1 1 1 Data processing - SIMD and floating point 316 * 1 1 1 1 Data processing - SIMD and floating point 317 * "-" means "don't care" 318 */ 319 __AARCH64_INSN_FUNCS(class_branch_sys, 0x1c000000, 0x14000000) 320 321 __AARCH64_INSN_FUNCS(adr, 0x9F000000, 0x10000000) 322 __AARCH64_INSN_FUNCS(adrp, 0x9F000000, 0x90000000) 323 __AARCH64_INSN_FUNCS(prfm, 0x3FC00000, 0x39800000) 324 __AARCH64_INSN_FUNCS(prfm_lit, 0xFF000000, 0xD8000000) 325 __AARCH64_INSN_FUNCS(store_imm, 0x3FC00000, 0x39000000) 326 __AARCH64_INSN_FUNCS(load_imm, 0x3FC00000, 0x39400000) 327 __AARCH64_INSN_FUNCS(store_pre, 0x3FE00C00, 0x38000C00) 328 __AARCH64_INSN_FUNCS(load_pre, 0x3FE00C00, 0x38400C00) 329 __AARCH64_INSN_FUNCS(store_post, 0x3FE00C00, 0x38000400) 330 __AARCH64_INSN_FUNCS(load_post, 0x3FE00C00, 0x38400400) 331 __AARCH64_INSN_FUNCS(str_reg, 0x3FE0EC00, 0x38206800) 332 __AARCH64_INSN_FUNCS(str_imm, 0x3FC00000, 0x39000000) 333 __AARCH64_INSN_FUNCS(ldadd, 0x3F20FC00, 0x38200000) 334 __AARCH64_INSN_FUNCS(ldclr, 0x3F20FC00, 0x38201000) 335 __AARCH64_INSN_FUNCS(ldeor, 0x3F20FC00, 0x38202000) 336 __AARCH64_INSN_FUNCS(ldset, 0x3F20FC00, 0x38203000) 337 __AARCH64_INSN_FUNCS(swp, 0x3F20FC00, 0x38208000) 338 __AARCH64_INSN_FUNCS(cas, 0x3FA07C00, 0x08A07C00) 339 __AARCH64_INSN_FUNCS(ldr_reg, 0x3FE0EC00, 0x38606800) 340 __AARCH64_INSN_FUNCS(ldr_imm, 0x3FC00000, 0x39400000) 341 __AARCH64_INSN_FUNCS(ldr_lit, 0xBF000000, 0x18000000) 342 __AARCH64_INSN_FUNCS(ldrsw_lit, 0xFF000000, 0x98000000) 343 __AARCH64_INSN_FUNCS(exclusive, 0x3F800000, 0x08000000) 344 __AARCH64_INSN_FUNCS(load_ex, 0x3F400000, 0x08400000) 345 __AARCH64_INSN_FUNCS(store_ex, 0x3F400000, 0x08000000) 346 __AARCH64_INSN_FUNCS(stp, 0x7FC00000, 0x29000000) 347 __AARCH64_INSN_FUNCS(ldp, 0x7FC00000, 0x29400000) 348 __AARCH64_INSN_FUNCS(stp_post, 0x7FC00000, 0x28800000) 349 __AARCH64_INSN_FUNCS(ldp_post, 0x7FC00000, 0x28C00000) 350 __AARCH64_INSN_FUNCS(stp_pre, 0x7FC00000, 0x29800000) 351 __AARCH64_INSN_FUNCS(ldp_pre, 0x7FC00000, 0x29C00000) 352 __AARCH64_INSN_FUNCS(add_imm, 0x7F000000, 0x11000000) 353 __AARCH64_INSN_FUNCS(adds_imm, 0x7F000000, 0x31000000) 354 __AARCH64_INSN_FUNCS(sub_imm, 0x7F000000, 0x51000000) 355 __AARCH64_INSN_FUNCS(subs_imm, 0x7F000000, 0x71000000) 356 __AARCH64_INSN_FUNCS(movn, 0x7F800000, 0x12800000) 357 __AARCH64_INSN_FUNCS(sbfm, 0x7F800000, 0x13000000) 358 __AARCH64_INSN_FUNCS(bfm, 0x7F800000, 0x33000000) 359 __AARCH64_INSN_FUNCS(movz, 0x7F800000, 0x52800000) 360 __AARCH64_INSN_FUNCS(ubfm, 0x7F800000, 0x53000000) 361 __AARCH64_INSN_FUNCS(movk, 0x7F800000, 0x72800000) 362 __AARCH64_INSN_FUNCS(add, 0x7F200000, 0x0B000000) 363 __AARCH64_INSN_FUNCS(adds, 0x7F200000, 0x2B000000) 364 __AARCH64_INSN_FUNCS(sub, 0x7F200000, 0x4B000000) 365 __AARCH64_INSN_FUNCS(subs, 0x7F200000, 0x6B000000) 366 __AARCH64_INSN_FUNCS(madd, 0x7FE08000, 0x1B000000) 367 __AARCH64_INSN_FUNCS(msub, 0x7FE08000, 0x1B008000) 368 __AARCH64_INSN_FUNCS(udiv, 0x7FE0FC00, 0x1AC00800) 369 __AARCH64_INSN_FUNCS(sdiv, 0x7FE0FC00, 0x1AC00C00) 370 __AARCH64_INSN_FUNCS(lslv, 0x7FE0FC00, 0x1AC02000) 371 __AARCH64_INSN_FUNCS(lsrv, 0x7FE0FC00, 0x1AC02400) 372 __AARCH64_INSN_FUNCS(asrv, 0x7FE0FC00, 0x1AC02800) 373 __AARCH64_INSN_FUNCS(rorv, 0x7FE0FC00, 0x1AC02C00) 374 __AARCH64_INSN_FUNCS(rev16, 0x7FFFFC00, 0x5AC00400) 375 __AARCH64_INSN_FUNCS(rev32, 0x7FFFFC00, 0x5AC00800) 376 __AARCH64_INSN_FUNCS(rev64, 0x7FFFFC00, 0x5AC00C00) 377 __AARCH64_INSN_FUNCS(and, 0x7F200000, 0x0A000000) 378 __AARCH64_INSN_FUNCS(bic, 0x7F200000, 0x0A200000) 379 __AARCH64_INSN_FUNCS(orr, 0x7F200000, 0x2A000000) 380 __AARCH64_INSN_FUNCS(mov_reg, 0x7FE0FFE0, 0x2A0003E0) 381 __AARCH64_INSN_FUNCS(orn, 0x7F200000, 0x2A200000) 382 __AARCH64_INSN_FUNCS(eor, 0x7F200000, 0x4A000000) 383 __AARCH64_INSN_FUNCS(eon, 0x7F200000, 0x4A200000) 384 __AARCH64_INSN_FUNCS(ands, 0x7F200000, 0x6A000000) 385 __AARCH64_INSN_FUNCS(bics, 0x7F200000, 0x6A200000) 386 __AARCH64_INSN_FUNCS(and_imm, 0x7F800000, 0x12000000) 387 __AARCH64_INSN_FUNCS(orr_imm, 0x7F800000, 0x32000000) 388 __AARCH64_INSN_FUNCS(eor_imm, 0x7F800000, 0x52000000) 389 __AARCH64_INSN_FUNCS(ands_imm, 0x7F800000, 0x72000000) 390 __AARCH64_INSN_FUNCS(extr, 0x7FA00000, 0x13800000) 391 __AARCH64_INSN_FUNCS(b, 0xFC000000, 0x14000000) 392 __AARCH64_INSN_FUNCS(bl, 0xFC000000, 0x94000000) 393 __AARCH64_INSN_FUNCS(cbz, 0x7F000000, 0x34000000) 394 __AARCH64_INSN_FUNCS(cbnz, 0x7F000000, 0x35000000) 395 __AARCH64_INSN_FUNCS(tbz, 0x7F000000, 0x36000000) 396 __AARCH64_INSN_FUNCS(tbnz, 0x7F000000, 0x37000000) 397 __AARCH64_INSN_FUNCS(bcond, 0xFF000010, 0x54000000) 398 __AARCH64_INSN_FUNCS(svc, 0xFFE0001F, 0xD4000001) 399 __AARCH64_INSN_FUNCS(hvc, 0xFFE0001F, 0xD4000002) 400 __AARCH64_INSN_FUNCS(smc, 0xFFE0001F, 0xD4000003) 401 __AARCH64_INSN_FUNCS(brk, 0xFFE0001F, 0xD4200000) 402 __AARCH64_INSN_FUNCS(exception, 0xFF000000, 0xD4000000) 403 __AARCH64_INSN_FUNCS(hint, 0xFFFFF01F, 0xD503201F) 404 __AARCH64_INSN_FUNCS(br, 0xFFFFFC1F, 0xD61F0000) 405 __AARCH64_INSN_FUNCS(br_auth, 0xFEFFF800, 0xD61F0800) 406 __AARCH64_INSN_FUNCS(blr, 0xFFFFFC1F, 0xD63F0000) 407 __AARCH64_INSN_FUNCS(blr_auth, 0xFEFFF800, 0xD63F0800) 408 __AARCH64_INSN_FUNCS(ret, 0xFFFFFC1F, 0xD65F0000) 409 __AARCH64_INSN_FUNCS(ret_auth, 0xFFFFFBFF, 0xD65F0BFF) 410 __AARCH64_INSN_FUNCS(eret, 0xFFFFFFFF, 0xD69F03E0) 411 __AARCH64_INSN_FUNCS(eret_auth, 0xFFFFFBFF, 0xD69F0BFF) 412 __AARCH64_INSN_FUNCS(mrs, 0xFFF00000, 0xD5300000) 413 __AARCH64_INSN_FUNCS(msr_imm, 0xFFF8F01F, 0xD500401F) 414 __AARCH64_INSN_FUNCS(msr_reg, 0xFFF00000, 0xD5100000) 415 __AARCH64_INSN_FUNCS(dmb, 0xFFFFF0FF, 0xD50330BF) 416 __AARCH64_INSN_FUNCS(dsb_base, 0xFFFFF0FF, 0xD503309F) 417 __AARCH64_INSN_FUNCS(dsb_nxs, 0xFFFFF3FF, 0xD503323F) 418 __AARCH64_INSN_FUNCS(isb, 0xFFFFF0FF, 0xD50330DF) 419 __AARCH64_INSN_FUNCS(sb, 0xFFFFFFFF, 0xD50330FF) 420 __AARCH64_INSN_FUNCS(clrex, 0xFFFFF0FF, 0xD503305F) 421 __AARCH64_INSN_FUNCS(ssbb, 0xFFFFFFFF, 0xD503309F) 422 __AARCH64_INSN_FUNCS(pssbb, 0xFFFFFFFF, 0xD503349F) 423 424 #undef __AARCH64_INSN_FUNCS 425 426 static __always_inline bool aarch64_insn_is_steppable_hint(u32 insn) 427 { 428 if (!aarch64_insn_is_hint(insn)) 429 return false; 430 431 switch (insn & 0xFE0) { 432 case AARCH64_INSN_HINT_XPACLRI: 433 case AARCH64_INSN_HINT_PACIA_1716: 434 case AARCH64_INSN_HINT_PACIB_1716: 435 case AARCH64_INSN_HINT_PACIAZ: 436 case AARCH64_INSN_HINT_PACIASP: 437 case AARCH64_INSN_HINT_PACIBZ: 438 case AARCH64_INSN_HINT_PACIBSP: 439 case AARCH64_INSN_HINT_BTI: 440 case AARCH64_INSN_HINT_BTIC: 441 case AARCH64_INSN_HINT_BTIJ: 442 case AARCH64_INSN_HINT_BTIJC: 443 case AARCH64_INSN_HINT_NOP: 444 return true; 445 default: 446 return false; 447 } 448 } 449 450 static __always_inline bool aarch64_insn_is_branch(u32 insn) 451 { 452 /* b, bl, cb*, tb*, ret*, b.cond, br*, blr* */ 453 454 return aarch64_insn_is_b(insn) || 455 aarch64_insn_is_bl(insn) || 456 aarch64_insn_is_cbz(insn) || 457 aarch64_insn_is_cbnz(insn) || 458 aarch64_insn_is_tbz(insn) || 459 aarch64_insn_is_tbnz(insn) || 460 aarch64_insn_is_ret(insn) || 461 aarch64_insn_is_ret_auth(insn) || 462 aarch64_insn_is_br(insn) || 463 aarch64_insn_is_br_auth(insn) || 464 aarch64_insn_is_blr(insn) || 465 aarch64_insn_is_blr_auth(insn) || 466 aarch64_insn_is_bcond(insn); 467 } 468 469 static __always_inline bool aarch64_insn_is_branch_imm(u32 insn) 470 { 471 return aarch64_insn_is_b(insn) || 472 aarch64_insn_is_bl(insn) || 473 aarch64_insn_is_tbz(insn) || 474 aarch64_insn_is_tbnz(insn) || 475 aarch64_insn_is_cbz(insn) || 476 aarch64_insn_is_cbnz(insn) || 477 aarch64_insn_is_bcond(insn); 478 } 479 480 static __always_inline bool aarch64_insn_is_adr_adrp(u32 insn) 481 { 482 return aarch64_insn_is_adr(insn) || 483 aarch64_insn_is_adrp(insn); 484 } 485 486 static __always_inline bool aarch64_insn_is_dsb(u32 insn) 487 { 488 return aarch64_insn_is_dsb_base(insn) || 489 aarch64_insn_is_dsb_nxs(insn); 490 } 491 492 static __always_inline bool aarch64_insn_is_barrier(u32 insn) 493 { 494 return aarch64_insn_is_dmb(insn) || 495 aarch64_insn_is_dsb(insn) || 496 aarch64_insn_is_isb(insn) || 497 aarch64_insn_is_sb(insn) || 498 aarch64_insn_is_clrex(insn) || 499 aarch64_insn_is_ssbb(insn) || 500 aarch64_insn_is_pssbb(insn); 501 } 502 503 static __always_inline bool aarch64_insn_is_store_single(u32 insn) 504 { 505 return aarch64_insn_is_store_imm(insn) || 506 aarch64_insn_is_store_pre(insn) || 507 aarch64_insn_is_store_post(insn); 508 } 509 510 static __always_inline bool aarch64_insn_is_store_pair(u32 insn) 511 { 512 return aarch64_insn_is_stp(insn) || 513 aarch64_insn_is_stp_pre(insn) || 514 aarch64_insn_is_stp_post(insn); 515 } 516 517 static __always_inline bool aarch64_insn_is_load_single(u32 insn) 518 { 519 return aarch64_insn_is_load_imm(insn) || 520 aarch64_insn_is_load_pre(insn) || 521 aarch64_insn_is_load_post(insn); 522 } 523 524 static __always_inline bool aarch64_insn_is_load_pair(u32 insn) 525 { 526 return aarch64_insn_is_ldp(insn) || 527 aarch64_insn_is_ldp_pre(insn) || 528 aarch64_insn_is_ldp_post(insn); 529 } 530 531 static __always_inline bool aarch64_insn_uses_literal(u32 insn) 532 { 533 /* ldr/ldrsw (literal), prfm */ 534 535 return aarch64_insn_is_ldr_lit(insn) || 536 aarch64_insn_is_ldrsw_lit(insn) || 537 aarch64_insn_is_adr_adrp(insn) || 538 aarch64_insn_is_prfm_lit(insn); 539 } 540 541 enum aarch64_insn_encoding_class aarch64_get_insn_class(u32 insn); 542 u64 aarch64_insn_decode_immediate(enum aarch64_insn_imm_type type, u32 insn); 543 u32 aarch64_insn_encode_immediate(enum aarch64_insn_imm_type type, 544 u32 insn, u64 imm); 545 u32 aarch64_insn_decode_register(enum aarch64_insn_register_type type, 546 u32 insn); 547 u32 aarch64_insn_gen_branch_imm(unsigned long pc, unsigned long addr, 548 enum aarch64_insn_branch_type type); 549 u32 aarch64_insn_gen_comp_branch_imm(unsigned long pc, unsigned long addr, 550 enum aarch64_insn_register reg, 551 enum aarch64_insn_variant variant, 552 enum aarch64_insn_branch_type type); 553 u32 aarch64_insn_gen_cond_branch_imm(unsigned long pc, unsigned long addr, 554 enum aarch64_insn_condition cond); 555 556 static __always_inline u32 557 aarch64_insn_gen_hint(enum aarch64_insn_hint_cr_op op) 558 { 559 return aarch64_insn_get_hint_value() | op; 560 } 561 562 static __always_inline u32 aarch64_insn_gen_nop(void) 563 { 564 return aarch64_insn_gen_hint(AARCH64_INSN_HINT_NOP); 565 } 566 567 u32 aarch64_insn_gen_branch_reg(enum aarch64_insn_register reg, 568 enum aarch64_insn_branch_type type); 569 u32 aarch64_insn_gen_load_store_reg(enum aarch64_insn_register reg, 570 enum aarch64_insn_register base, 571 enum aarch64_insn_register offset, 572 enum aarch64_insn_size_type size, 573 enum aarch64_insn_ldst_type type); 574 u32 aarch64_insn_gen_load_store_imm(enum aarch64_insn_register reg, 575 enum aarch64_insn_register base, 576 unsigned int imm, 577 enum aarch64_insn_size_type size, 578 enum aarch64_insn_ldst_type type); 579 u32 aarch64_insn_gen_load_literal(unsigned long pc, unsigned long addr, 580 enum aarch64_insn_register reg, 581 bool is64bit); 582 u32 aarch64_insn_gen_load_store_pair(enum aarch64_insn_register reg1, 583 enum aarch64_insn_register reg2, 584 enum aarch64_insn_register base, 585 int offset, 586 enum aarch64_insn_variant variant, 587 enum aarch64_insn_ldst_type type); 588 u32 aarch64_insn_gen_load_store_ex(enum aarch64_insn_register reg, 589 enum aarch64_insn_register base, 590 enum aarch64_insn_register state, 591 enum aarch64_insn_size_type size, 592 enum aarch64_insn_ldst_type type); 593 u32 aarch64_insn_gen_add_sub_imm(enum aarch64_insn_register dst, 594 enum aarch64_insn_register src, 595 int imm, enum aarch64_insn_variant variant, 596 enum aarch64_insn_adsb_type type); 597 u32 aarch64_insn_gen_adr(unsigned long pc, unsigned long addr, 598 enum aarch64_insn_register reg, 599 enum aarch64_insn_adr_type type); 600 u32 aarch64_insn_gen_bitfield(enum aarch64_insn_register dst, 601 enum aarch64_insn_register src, 602 int immr, int imms, 603 enum aarch64_insn_variant variant, 604 enum aarch64_insn_bitfield_type type); 605 u32 aarch64_insn_gen_movewide(enum aarch64_insn_register dst, 606 int imm, int shift, 607 enum aarch64_insn_variant variant, 608 enum aarch64_insn_movewide_type type); 609 u32 aarch64_insn_gen_add_sub_shifted_reg(enum aarch64_insn_register dst, 610 enum aarch64_insn_register src, 611 enum aarch64_insn_register reg, 612 int shift, 613 enum aarch64_insn_variant variant, 614 enum aarch64_insn_adsb_type type); 615 u32 aarch64_insn_gen_data1(enum aarch64_insn_register dst, 616 enum aarch64_insn_register src, 617 enum aarch64_insn_variant variant, 618 enum aarch64_insn_data1_type type); 619 u32 aarch64_insn_gen_data2(enum aarch64_insn_register dst, 620 enum aarch64_insn_register src, 621 enum aarch64_insn_register reg, 622 enum aarch64_insn_variant variant, 623 enum aarch64_insn_data2_type type); 624 u32 aarch64_insn_gen_data3(enum aarch64_insn_register dst, 625 enum aarch64_insn_register src, 626 enum aarch64_insn_register reg1, 627 enum aarch64_insn_register reg2, 628 enum aarch64_insn_variant variant, 629 enum aarch64_insn_data3_type type); 630 u32 aarch64_insn_gen_logical_shifted_reg(enum aarch64_insn_register dst, 631 enum aarch64_insn_register src, 632 enum aarch64_insn_register reg, 633 int shift, 634 enum aarch64_insn_variant variant, 635 enum aarch64_insn_logic_type type); 636 u32 aarch64_insn_gen_move_reg(enum aarch64_insn_register dst, 637 enum aarch64_insn_register src, 638 enum aarch64_insn_variant variant); 639 u32 aarch64_insn_gen_logical_immediate(enum aarch64_insn_logic_type type, 640 enum aarch64_insn_variant variant, 641 enum aarch64_insn_register Rn, 642 enum aarch64_insn_register Rd, 643 u64 imm); 644 u32 aarch64_insn_gen_extr(enum aarch64_insn_variant variant, 645 enum aarch64_insn_register Rm, 646 enum aarch64_insn_register Rn, 647 enum aarch64_insn_register Rd, 648 u8 lsb); 649 #ifdef CONFIG_ARM64_LSE_ATOMICS 650 u32 aarch64_insn_gen_atomic_ld_op(enum aarch64_insn_register result, 651 enum aarch64_insn_register address, 652 enum aarch64_insn_register value, 653 enum aarch64_insn_size_type size, 654 enum aarch64_insn_mem_atomic_op op, 655 enum aarch64_insn_mem_order_type order); 656 u32 aarch64_insn_gen_cas(enum aarch64_insn_register result, 657 enum aarch64_insn_register address, 658 enum aarch64_insn_register value, 659 enum aarch64_insn_size_type size, 660 enum aarch64_insn_mem_order_type order); 661 #else 662 static inline 663 u32 aarch64_insn_gen_atomic_ld_op(enum aarch64_insn_register result, 664 enum aarch64_insn_register address, 665 enum aarch64_insn_register value, 666 enum aarch64_insn_size_type size, 667 enum aarch64_insn_mem_atomic_op op, 668 enum aarch64_insn_mem_order_type order) 669 { 670 return AARCH64_BREAK_FAULT; 671 } 672 673 static inline 674 u32 aarch64_insn_gen_cas(enum aarch64_insn_register result, 675 enum aarch64_insn_register address, 676 enum aarch64_insn_register value, 677 enum aarch64_insn_size_type size, 678 enum aarch64_insn_mem_order_type order) 679 { 680 return AARCH64_BREAK_FAULT; 681 } 682 #endif 683 u32 aarch64_insn_gen_dmb(enum aarch64_insn_mb_type type); 684 685 s32 aarch64_get_branch_offset(u32 insn); 686 u32 aarch64_set_branch_offset(u32 insn, s32 offset); 687 688 s32 aarch64_insn_adrp_get_offset(u32 insn); 689 u32 aarch64_insn_adrp_set_offset(u32 insn, s32 offset); 690 691 bool aarch32_insn_is_wide(u32 insn); 692 693 #define A32_RN_OFFSET 16 694 #define A32_RT_OFFSET 12 695 #define A32_RT2_OFFSET 0 696 697 u32 aarch64_insn_extract_system_reg(u32 insn); 698 u32 aarch32_insn_extract_reg_num(u32 insn, int offset); 699 u32 aarch32_insn_mcr_extract_opc2(u32 insn); 700 u32 aarch32_insn_mcr_extract_crm(u32 insn); 701 702 typedef bool (pstate_check_t)(unsigned long); 703 extern pstate_check_t * const aarch32_opcode_cond_checks[16]; 704 705 #endif /* __ASSEMBLY__ */ 706 707 #endif /* __ASM_INSN_H */ 708