1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * BPF JIT compiler for ARM64 4 * 5 * Copyright (C) 2014-2016 Zi Shen Lim <zlim.lnx@gmail.com> 6 */ 7 #ifndef _BPF_JIT_H 8 #define _BPF_JIT_H 9 10 #include <asm/insn.h> 11 12 /* 5-bit Register Operand */ 13 #define A64_R(x) AARCH64_INSN_REG_##x 14 #define A64_FP AARCH64_INSN_REG_FP 15 #define A64_LR AARCH64_INSN_REG_LR 16 #define A64_ZR AARCH64_INSN_REG_ZR 17 #define A64_SP AARCH64_INSN_REG_SP 18 19 #define A64_VARIANT(sf) \ 20 ((sf) ? AARCH64_INSN_VARIANT_64BIT : AARCH64_INSN_VARIANT_32BIT) 21 22 /* Compare & branch (immediate) */ 23 #define A64_COMP_BRANCH(sf, Rt, offset, type) \ 24 aarch64_insn_gen_comp_branch_imm(0, offset, Rt, A64_VARIANT(sf), \ 25 AARCH64_INSN_BRANCH_COMP_##type) 26 #define A64_CBZ(sf, Rt, imm19) A64_COMP_BRANCH(sf, Rt, (imm19) << 2, ZERO) 27 #define A64_CBNZ(sf, Rt, imm19) A64_COMP_BRANCH(sf, Rt, (imm19) << 2, NONZERO) 28 29 /* Conditional branch (immediate) */ 30 #define A64_COND_BRANCH(cond, offset) \ 31 aarch64_insn_gen_cond_branch_imm(0, offset, cond) 32 #define A64_COND_EQ AARCH64_INSN_COND_EQ /* == */ 33 #define A64_COND_NE AARCH64_INSN_COND_NE /* != */ 34 #define A64_COND_CS AARCH64_INSN_COND_CS /* unsigned >= */ 35 #define A64_COND_HI AARCH64_INSN_COND_HI /* unsigned > */ 36 #define A64_COND_LS AARCH64_INSN_COND_LS /* unsigned <= */ 37 #define A64_COND_CC AARCH64_INSN_COND_CC /* unsigned < */ 38 #define A64_COND_GE AARCH64_INSN_COND_GE /* signed >= */ 39 #define A64_COND_GT AARCH64_INSN_COND_GT /* signed > */ 40 #define A64_COND_LE AARCH64_INSN_COND_LE /* signed <= */ 41 #define A64_COND_LT AARCH64_INSN_COND_LT /* signed < */ 42 #define A64_B_(cond, imm19) A64_COND_BRANCH(cond, (imm19) << 2) 43 44 /* Unconditional branch (immediate) */ 45 #define A64_BRANCH(offset, type) aarch64_insn_gen_branch_imm(0, offset, \ 46 AARCH64_INSN_BRANCH_##type) 47 #define A64_B(imm26) A64_BRANCH((imm26) << 2, NOLINK) 48 #define A64_BL(imm26) A64_BRANCH((imm26) << 2, LINK) 49 50 /* Unconditional branch (register) */ 51 #define A64_BR(Rn) aarch64_insn_gen_branch_reg(Rn, AARCH64_INSN_BRANCH_NOLINK) 52 #define A64_BLR(Rn) aarch64_insn_gen_branch_reg(Rn, AARCH64_INSN_BRANCH_LINK) 53 #define A64_RET(Rn) aarch64_insn_gen_branch_reg(Rn, AARCH64_INSN_BRANCH_RETURN) 54 55 /* Load/store register (register offset) */ 56 #define A64_LS_REG(Rt, Rn, Rm, size, type) \ 57 aarch64_insn_gen_load_store_reg(Rt, Rn, Rm, \ 58 AARCH64_INSN_SIZE_##size, \ 59 AARCH64_INSN_LDST_##type##_REG_OFFSET) 60 #define A64_STRB(Wt, Xn, Xm) A64_LS_REG(Wt, Xn, Xm, 8, STORE) 61 #define A64_LDRB(Wt, Xn, Xm) A64_LS_REG(Wt, Xn, Xm, 8, LOAD) 62 #define A64_LDRSB(Xt, Xn, Xm) A64_LS_REG(Xt, Xn, Xm, 8, SIGNED_LOAD) 63 #define A64_STRH(Wt, Xn, Xm) A64_LS_REG(Wt, Xn, Xm, 16, STORE) 64 #define A64_LDRH(Wt, Xn, Xm) A64_LS_REG(Wt, Xn, Xm, 16, LOAD) 65 #define A64_LDRSH(Xt, Xn, Xm) A64_LS_REG(Xt, Xn, Xm, 16, SIGNED_LOAD) 66 #define A64_STR32(Wt, Xn, Xm) A64_LS_REG(Wt, Xn, Xm, 32, STORE) 67 #define A64_LDR32(Wt, Xn, Xm) A64_LS_REG(Wt, Xn, Xm, 32, LOAD) 68 #define A64_LDRSW(Xt, Xn, Xm) A64_LS_REG(Xt, Xn, Xm, 32, SIGNED_LOAD) 69 #define A64_STR64(Xt, Xn, Xm) A64_LS_REG(Xt, Xn, Xm, 64, STORE) 70 #define A64_LDR64(Xt, Xn, Xm) A64_LS_REG(Xt, Xn, Xm, 64, LOAD) 71 72 /* Load/store register (immediate offset) */ 73 #define A64_LS_IMM(Rt, Rn, imm, size, type) \ 74 aarch64_insn_gen_load_store_imm(Rt, Rn, imm, \ 75 AARCH64_INSN_SIZE_##size, \ 76 AARCH64_INSN_LDST_##type##_IMM_OFFSET) 77 #define A64_STRBI(Wt, Xn, imm) A64_LS_IMM(Wt, Xn, imm, 8, STORE) 78 #define A64_LDRBI(Wt, Xn, imm) A64_LS_IMM(Wt, Xn, imm, 8, LOAD) 79 #define A64_LDRSBI(Xt, Xn, imm) A64_LS_IMM(Xt, Xn, imm, 8, SIGNED_LOAD) 80 #define A64_STRHI(Wt, Xn, imm) A64_LS_IMM(Wt, Xn, imm, 16, STORE) 81 #define A64_LDRHI(Wt, Xn, imm) A64_LS_IMM(Wt, Xn, imm, 16, LOAD) 82 #define A64_LDRSHI(Xt, Xn, imm) A64_LS_IMM(Xt, Xn, imm, 16, SIGNED_LOAD) 83 #define A64_STR32I(Wt, Xn, imm) A64_LS_IMM(Wt, Xn, imm, 32, STORE) 84 #define A64_LDR32I(Wt, Xn, imm) A64_LS_IMM(Wt, Xn, imm, 32, LOAD) 85 #define A64_LDRSWI(Xt, Xn, imm) A64_LS_IMM(Xt, Xn, imm, 32, SIGNED_LOAD) 86 #define A64_STR64I(Xt, Xn, imm) A64_LS_IMM(Xt, Xn, imm, 64, STORE) 87 #define A64_LDR64I(Xt, Xn, imm) A64_LS_IMM(Xt, Xn, imm, 64, LOAD) 88 89 /* LDR (literal) */ 90 #define A64_LDR32LIT(Wt, offset) \ 91 aarch64_insn_gen_load_literal(0, offset, Wt, false) 92 #define A64_LDR64LIT(Xt, offset) \ 93 aarch64_insn_gen_load_literal(0, offset, Xt, true) 94 95 /* Load/store register pair */ 96 #define A64_LS_PAIR(Rt, Rt2, Rn, offset, ls, type) \ 97 aarch64_insn_gen_load_store_pair(Rt, Rt2, Rn, offset, \ 98 AARCH64_INSN_VARIANT_64BIT, \ 99 AARCH64_INSN_LDST_##ls##_PAIR_##type) 100 /* Rn -= 16; Rn[0] = Rt; Rn[8] = Rt2; */ 101 #define A64_PUSH(Rt, Rt2, Rn) A64_LS_PAIR(Rt, Rt2, Rn, -16, STORE, PRE_INDEX) 102 /* Rt = Rn[0]; Rt2 = Rn[8]; Rn += 16; */ 103 #define A64_POP(Rt, Rt2, Rn) A64_LS_PAIR(Rt, Rt2, Rn, 16, LOAD, POST_INDEX) 104 105 /* Load/store exclusive */ 106 #define A64_SIZE(sf) \ 107 ((sf) ? AARCH64_INSN_SIZE_64 : AARCH64_INSN_SIZE_32) 108 #define A64_LSX(sf, Rt, Rn, Rs, type) \ 109 aarch64_insn_gen_load_store_ex(Rt, Rn, Rs, A64_SIZE(sf), \ 110 AARCH64_INSN_LDST_##type) 111 /* Rt = [Rn]; (atomic) */ 112 #define A64_LDXR(sf, Rt, Rn) \ 113 A64_LSX(sf, Rt, Rn, A64_ZR, LOAD_EX) 114 /* [Rn] = Rt; (atomic) Rs = [state] */ 115 #define A64_STXR(sf, Rt, Rn, Rs) \ 116 A64_LSX(sf, Rt, Rn, Rs, STORE_EX) 117 /* [Rn] = Rt (store release); (atomic) Rs = [state] */ 118 #define A64_STLXR(sf, Rt, Rn, Rs) \ 119 aarch64_insn_gen_load_store_ex(Rt, Rn, Rs, A64_SIZE(sf), \ 120 AARCH64_INSN_LDST_STORE_REL_EX) 121 122 /* Load-acquire & store-release */ 123 #define A64_LDAR(Rt, Rn, size) \ 124 aarch64_insn_gen_load_acq_store_rel(Rt, Rn, AARCH64_INSN_SIZE_##size, \ 125 AARCH64_INSN_LDST_LOAD_ACQ) 126 #define A64_STLR(Rt, Rn, size) \ 127 aarch64_insn_gen_load_acq_store_rel(Rt, Rn, AARCH64_INSN_SIZE_##size, \ 128 AARCH64_INSN_LDST_STORE_REL) 129 130 /* Rt = [Rn] (load acquire) */ 131 #define A64_LDARB(Wt, Xn) A64_LDAR(Wt, Xn, 8) 132 #define A64_LDARH(Wt, Xn) A64_LDAR(Wt, Xn, 16) 133 #define A64_LDAR32(Wt, Xn) A64_LDAR(Wt, Xn, 32) 134 #define A64_LDAR64(Xt, Xn) A64_LDAR(Xt, Xn, 64) 135 136 /* [Rn] = Rt (store release) */ 137 #define A64_STLRB(Wt, Xn) A64_STLR(Wt, Xn, 8) 138 #define A64_STLRH(Wt, Xn) A64_STLR(Wt, Xn, 16) 139 #define A64_STLR32(Wt, Xn) A64_STLR(Wt, Xn, 32) 140 #define A64_STLR64(Xt, Xn) A64_STLR(Xt, Xn, 64) 141 142 /* 143 * LSE atomics 144 * 145 * ST{ADD,CLR,SET,EOR} is simply encoded as an alias for 146 * LDD{ADD,CLR,SET,EOR} with XZR as the destination register. 147 */ 148 #define A64_ST_OP(sf, Rn, Rs, op) \ 149 aarch64_insn_gen_atomic_ld_op(A64_ZR, Rn, Rs, \ 150 A64_SIZE(sf), AARCH64_INSN_MEM_ATOMIC_##op, \ 151 AARCH64_INSN_MEM_ORDER_NONE) 152 /* [Rn] <op>= Rs */ 153 #define A64_STADD(sf, Rn, Rs) A64_ST_OP(sf, Rn, Rs, ADD) 154 #define A64_STCLR(sf, Rn, Rs) A64_ST_OP(sf, Rn, Rs, CLR) 155 #define A64_STEOR(sf, Rn, Rs) A64_ST_OP(sf, Rn, Rs, EOR) 156 #define A64_STSET(sf, Rn, Rs) A64_ST_OP(sf, Rn, Rs, SET) 157 158 #define A64_LD_OP_AL(sf, Rt, Rn, Rs, op) \ 159 aarch64_insn_gen_atomic_ld_op(Rt, Rn, Rs, \ 160 A64_SIZE(sf), AARCH64_INSN_MEM_ATOMIC_##op, \ 161 AARCH64_INSN_MEM_ORDER_ACQREL) 162 /* Rt = [Rn] (load acquire); [Rn] <op>= Rs (store release) */ 163 #define A64_LDADDAL(sf, Rt, Rn, Rs) A64_LD_OP_AL(sf, Rt, Rn, Rs, ADD) 164 #define A64_LDCLRAL(sf, Rt, Rn, Rs) A64_LD_OP_AL(sf, Rt, Rn, Rs, CLR) 165 #define A64_LDEORAL(sf, Rt, Rn, Rs) A64_LD_OP_AL(sf, Rt, Rn, Rs, EOR) 166 #define A64_LDSETAL(sf, Rt, Rn, Rs) A64_LD_OP_AL(sf, Rt, Rn, Rs, SET) 167 /* Rt = [Rn] (load acquire); [Rn] = Rs (store release) */ 168 #define A64_SWPAL(sf, Rt, Rn, Rs) A64_LD_OP_AL(sf, Rt, Rn, Rs, SWP) 169 /* Rs = CAS(Rn, Rs, Rt) (load acquire & store release) */ 170 #define A64_CASAL(sf, Rt, Rn, Rs) \ 171 aarch64_insn_gen_cas(Rt, Rn, Rs, A64_SIZE(sf), \ 172 AARCH64_INSN_MEM_ORDER_ACQREL) 173 174 /* Add/subtract (immediate) */ 175 #define A64_ADDSUB_IMM(sf, Rd, Rn, imm12, type) \ 176 aarch64_insn_gen_add_sub_imm(Rd, Rn, imm12, \ 177 A64_VARIANT(sf), AARCH64_INSN_ADSB_##type) 178 /* Rd = Rn OP imm12 */ 179 #define A64_ADD_I(sf, Rd, Rn, imm12) A64_ADDSUB_IMM(sf, Rd, Rn, imm12, ADD) 180 #define A64_SUB_I(sf, Rd, Rn, imm12) A64_ADDSUB_IMM(sf, Rd, Rn, imm12, SUB) 181 #define A64_ADDS_I(sf, Rd, Rn, imm12) \ 182 A64_ADDSUB_IMM(sf, Rd, Rn, imm12, ADD_SETFLAGS) 183 #define A64_SUBS_I(sf, Rd, Rn, imm12) \ 184 A64_ADDSUB_IMM(sf, Rd, Rn, imm12, SUB_SETFLAGS) 185 /* Rn + imm12; set condition flags */ 186 #define A64_CMN_I(sf, Rn, imm12) A64_ADDS_I(sf, A64_ZR, Rn, imm12) 187 /* Rn - imm12; set condition flags */ 188 #define A64_CMP_I(sf, Rn, imm12) A64_SUBS_I(sf, A64_ZR, Rn, imm12) 189 /* Rd = Rn */ 190 #define A64_MOV(sf, Rd, Rn) \ 191 (((Rd) == A64_SP || (Rn) == A64_SP) ? A64_ADD_I(sf, Rd, Rn, 0) : \ 192 aarch64_insn_gen_move_reg(Rd, Rn, A64_VARIANT(sf))) 193 194 /* Bitfield move */ 195 #define A64_BITFIELD(sf, Rd, Rn, immr, imms, type) \ 196 aarch64_insn_gen_bitfield(Rd, Rn, immr, imms, \ 197 A64_VARIANT(sf), AARCH64_INSN_BITFIELD_MOVE_##type) 198 /* Signed, with sign replication to left and zeros to right */ 199 #define A64_SBFM(sf, Rd, Rn, ir, is) A64_BITFIELD(sf, Rd, Rn, ir, is, SIGNED) 200 /* Unsigned, with zeros to left and right */ 201 #define A64_UBFM(sf, Rd, Rn, ir, is) A64_BITFIELD(sf, Rd, Rn, ir, is, UNSIGNED) 202 203 /* Rd = Rn << shift */ 204 #define A64_LSL(sf, Rd, Rn, shift) ({ \ 205 int sz = (sf) ? 64 : 32; \ 206 A64_UBFM(sf, Rd, Rn, (unsigned)-(shift) % sz, sz - 1 - (shift)); \ 207 }) 208 /* Rd = Rn >> shift */ 209 #define A64_LSR(sf, Rd, Rn, shift) A64_UBFM(sf, Rd, Rn, shift, (sf) ? 63 : 31) 210 /* Rd = Rn >> shift; signed */ 211 #define A64_ASR(sf, Rd, Rn, shift) A64_SBFM(sf, Rd, Rn, shift, (sf) ? 63 : 31) 212 213 /* Zero extend */ 214 #define A64_UXTH(sf, Rd, Rn) A64_UBFM(sf, Rd, Rn, 0, 15) 215 #define A64_UXTW(sf, Rd, Rn) A64_UBFM(sf, Rd, Rn, 0, 31) 216 217 /* Sign extend */ 218 #define A64_SXTB(sf, Rd, Rn) A64_SBFM(sf, Rd, Rn, 0, 7) 219 #define A64_SXTH(sf, Rd, Rn) A64_SBFM(sf, Rd, Rn, 0, 15) 220 #define A64_SXTW(sf, Rd, Rn) A64_SBFM(sf, Rd, Rn, 0, 31) 221 222 /* Move wide (immediate) */ 223 #define A64_MOVEW(sf, Rd, imm16, shift, type) \ 224 aarch64_insn_gen_movewide(Rd, imm16, shift, \ 225 A64_VARIANT(sf), AARCH64_INSN_MOVEWIDE_##type) 226 /* Rd = Zeros (for MOVZ); 227 * Rd |= imm16 << shift (where shift is {0, 16, 32, 48}); 228 * Rd = ~Rd; (for MOVN); */ 229 #define A64_MOVN(sf, Rd, imm16, shift) A64_MOVEW(sf, Rd, imm16, shift, INVERSE) 230 #define A64_MOVZ(sf, Rd, imm16, shift) A64_MOVEW(sf, Rd, imm16, shift, ZERO) 231 #define A64_MOVK(sf, Rd, imm16, shift) A64_MOVEW(sf, Rd, imm16, shift, KEEP) 232 233 /* Add/subtract (shifted register) */ 234 #define A64_ADDSUB_SREG(sf, Rd, Rn, Rm, type) \ 235 aarch64_insn_gen_add_sub_shifted_reg(Rd, Rn, Rm, 0, \ 236 A64_VARIANT(sf), AARCH64_INSN_ADSB_##type) 237 /* Rd = Rn OP Rm */ 238 #define A64_ADD(sf, Rd, Rn, Rm) A64_ADDSUB_SREG(sf, Rd, Rn, Rm, ADD) 239 #define A64_SUB(sf, Rd, Rn, Rm) A64_ADDSUB_SREG(sf, Rd, Rn, Rm, SUB) 240 #define A64_SUBS(sf, Rd, Rn, Rm) A64_ADDSUB_SREG(sf, Rd, Rn, Rm, SUB_SETFLAGS) 241 /* Rd = -Rm */ 242 #define A64_NEG(sf, Rd, Rm) A64_SUB(sf, Rd, A64_ZR, Rm) 243 /* Rn - Rm; set condition flags */ 244 #define A64_CMP(sf, Rn, Rm) A64_SUBS(sf, A64_ZR, Rn, Rm) 245 246 /* Data-processing (1 source) */ 247 #define A64_DATA1(sf, Rd, Rn, type) aarch64_insn_gen_data1(Rd, Rn, \ 248 A64_VARIANT(sf), AARCH64_INSN_DATA1_##type) 249 /* Rd = BSWAPx(Rn) */ 250 #define A64_REV16(sf, Rd, Rn) A64_DATA1(sf, Rd, Rn, REVERSE_16) 251 #define A64_REV32(sf, Rd, Rn) A64_DATA1(sf, Rd, Rn, REVERSE_32) 252 #define A64_REV64(Rd, Rn) A64_DATA1(1, Rd, Rn, REVERSE_64) 253 254 /* Data-processing (2 source) */ 255 /* Rd = Rn OP Rm */ 256 #define A64_DATA2(sf, Rd, Rn, Rm, type) aarch64_insn_gen_data2(Rd, Rn, Rm, \ 257 A64_VARIANT(sf), AARCH64_INSN_DATA2_##type) 258 #define A64_UDIV(sf, Rd, Rn, Rm) A64_DATA2(sf, Rd, Rn, Rm, UDIV) 259 #define A64_SDIV(sf, Rd, Rn, Rm) A64_DATA2(sf, Rd, Rn, Rm, SDIV) 260 #define A64_LSLV(sf, Rd, Rn, Rm) A64_DATA2(sf, Rd, Rn, Rm, LSLV) 261 #define A64_LSRV(sf, Rd, Rn, Rm) A64_DATA2(sf, Rd, Rn, Rm, LSRV) 262 #define A64_ASRV(sf, Rd, Rn, Rm) A64_DATA2(sf, Rd, Rn, Rm, ASRV) 263 264 /* Data-processing (3 source) */ 265 /* Rd = Ra + Rn * Rm */ 266 #define A64_MADD(sf, Rd, Ra, Rn, Rm) aarch64_insn_gen_data3(Rd, Ra, Rn, Rm, \ 267 A64_VARIANT(sf), AARCH64_INSN_DATA3_MADD) 268 /* Rd = Ra - Rn * Rm */ 269 #define A64_MSUB(sf, Rd, Ra, Rn, Rm) aarch64_insn_gen_data3(Rd, Ra, Rn, Rm, \ 270 A64_VARIANT(sf), AARCH64_INSN_DATA3_MSUB) 271 /* Rd = Rn * Rm */ 272 #define A64_MUL(sf, Rd, Rn, Rm) A64_MADD(sf, Rd, A64_ZR, Rn, Rm) 273 274 /* Logical (shifted register) */ 275 #define A64_LOGIC_SREG(sf, Rd, Rn, Rm, type) \ 276 aarch64_insn_gen_logical_shifted_reg(Rd, Rn, Rm, 0, \ 277 A64_VARIANT(sf), AARCH64_INSN_LOGIC_##type) 278 /* Rd = Rn OP Rm */ 279 #define A64_AND(sf, Rd, Rn, Rm) A64_LOGIC_SREG(sf, Rd, Rn, Rm, AND) 280 #define A64_ORR(sf, Rd, Rn, Rm) A64_LOGIC_SREG(sf, Rd, Rn, Rm, ORR) 281 #define A64_EOR(sf, Rd, Rn, Rm) A64_LOGIC_SREG(sf, Rd, Rn, Rm, EOR) 282 #define A64_ANDS(sf, Rd, Rn, Rm) A64_LOGIC_SREG(sf, Rd, Rn, Rm, AND_SETFLAGS) 283 /* Rn & Rm; set condition flags */ 284 #define A64_TST(sf, Rn, Rm) A64_ANDS(sf, A64_ZR, Rn, Rm) 285 /* Rd = ~Rm (alias of ORN with A64_ZR as Rn) */ 286 #define A64_MVN(sf, Rd, Rm) \ 287 A64_LOGIC_SREG(sf, Rd, A64_ZR, Rm, ORN) 288 289 /* Logical (immediate) */ 290 #define A64_LOGIC_IMM(sf, Rd, Rn, imm, type) ({ \ 291 u64 imm64 = (sf) ? (u64)imm : (u64)(u32)imm; \ 292 aarch64_insn_gen_logical_immediate(AARCH64_INSN_LOGIC_##type, \ 293 A64_VARIANT(sf), Rn, Rd, imm64); \ 294 }) 295 /* Rd = Rn OP imm */ 296 #define A64_AND_I(sf, Rd, Rn, imm) A64_LOGIC_IMM(sf, Rd, Rn, imm, AND) 297 #define A64_ORR_I(sf, Rd, Rn, imm) A64_LOGIC_IMM(sf, Rd, Rn, imm, ORR) 298 #define A64_EOR_I(sf, Rd, Rn, imm) A64_LOGIC_IMM(sf, Rd, Rn, imm, EOR) 299 #define A64_ANDS_I(sf, Rd, Rn, imm) A64_LOGIC_IMM(sf, Rd, Rn, imm, AND_SETFLAGS) 300 /* Rn & imm; set condition flags */ 301 #define A64_TST_I(sf, Rn, imm) A64_ANDS_I(sf, A64_ZR, Rn, imm) 302 303 /* HINTs */ 304 #define A64_HINT(x) aarch64_insn_gen_hint(x) 305 306 #define A64_PACIASP A64_HINT(AARCH64_INSN_HINT_PACIASP) 307 #define A64_AUTIASP A64_HINT(AARCH64_INSN_HINT_AUTIASP) 308 309 /* BTI */ 310 #define A64_BTI_C A64_HINT(AARCH64_INSN_HINT_BTIC) 311 #define A64_BTI_J A64_HINT(AARCH64_INSN_HINT_BTIJ) 312 #define A64_BTI_JC A64_HINT(AARCH64_INSN_HINT_BTIJC) 313 #define A64_NOP A64_HINT(AARCH64_INSN_HINT_NOP) 314 315 /* DMB */ 316 #define A64_DMB_ISH aarch64_insn_gen_dmb(AARCH64_INSN_MB_ISH) 317 318 /* ADR */ 319 #define A64_ADR(Rd, offset) \ 320 aarch64_insn_gen_adr(0, offset, Rd, AARCH64_INSN_ADR_TYPE_ADR) 321 322 /* MRS */ 323 #define A64_MRS_TPIDR_EL1(Rt) \ 324 aarch64_insn_gen_mrs(Rt, AARCH64_INSN_SYSREG_TPIDR_EL1) 325 #define A64_MRS_TPIDR_EL2(Rt) \ 326 aarch64_insn_gen_mrs(Rt, AARCH64_INSN_SYSREG_TPIDR_EL2) 327 #define A64_MRS_SP_EL0(Rt) \ 328 aarch64_insn_gen_mrs(Rt, AARCH64_INSN_SYSREG_SP_EL0) 329 330 /* Barriers */ 331 #define A64_SB aarch64_insn_get_sb_value() 332 #define A64_DSB_NSH (aarch64_insn_get_dsb_base_value() | 0x7 << 8) 333 #define A64_ISB aarch64_insn_get_isb_value() 334 335 #endif /* _BPF_JIT_H */ 336