/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2013 Huawei Ltd. * Author: Jiang Liu * * Copyright (C) 2014 Zi Shen Lim */ #ifndef __ASM_INSN_H #define __ASM_INSN_H #include #include #include #ifndef __ASSEMBLY__ enum aarch64_insn_hint_cr_op { AARCH64_INSN_HINT_NOP = 0x0 << 5, AARCH64_INSN_HINT_YIELD = 0x1 << 5, AARCH64_INSN_HINT_WFE = 0x2 << 5, AARCH64_INSN_HINT_WFI = 0x3 << 5, AARCH64_INSN_HINT_SEV = 0x4 << 5, AARCH64_INSN_HINT_SEVL = 0x5 << 5, AARCH64_INSN_HINT_XPACLRI = 0x07 << 5, AARCH64_INSN_HINT_PACIA_1716 = 0x08 << 5, AARCH64_INSN_HINT_PACIB_1716 = 0x0A << 5, AARCH64_INSN_HINT_AUTIA_1716 = 0x0C << 5, AARCH64_INSN_HINT_AUTIB_1716 = 0x0E << 5, AARCH64_INSN_HINT_PACIAZ = 0x18 << 5, AARCH64_INSN_HINT_PACIASP = 0x19 << 5, AARCH64_INSN_HINT_PACIBZ = 0x1A << 5, AARCH64_INSN_HINT_PACIBSP = 0x1B << 5, AARCH64_INSN_HINT_AUTIAZ = 0x1C << 5, AARCH64_INSN_HINT_AUTIASP = 0x1D << 5, AARCH64_INSN_HINT_AUTIBZ = 0x1E << 5, AARCH64_INSN_HINT_AUTIBSP = 0x1F << 5, AARCH64_INSN_HINT_ESB = 0x10 << 5, AARCH64_INSN_HINT_PSB = 0x11 << 5, AARCH64_INSN_HINT_TSB = 0x12 << 5, AARCH64_INSN_HINT_CSDB = 0x14 << 5, AARCH64_INSN_HINT_CLEARBHB = 0x16 << 5, AARCH64_INSN_HINT_BTI = 0x20 << 5, AARCH64_INSN_HINT_BTIC = 0x22 << 5, AARCH64_INSN_HINT_BTIJ = 0x24 << 5, AARCH64_INSN_HINT_BTIJC = 0x26 << 5, }; enum aarch64_insn_imm_type { AARCH64_INSN_IMM_ADR, AARCH64_INSN_IMM_26, AARCH64_INSN_IMM_19, AARCH64_INSN_IMM_16, AARCH64_INSN_IMM_14, AARCH64_INSN_IMM_12, AARCH64_INSN_IMM_9, AARCH64_INSN_IMM_7, AARCH64_INSN_IMM_6, AARCH64_INSN_IMM_S, AARCH64_INSN_IMM_R, AARCH64_INSN_IMM_N, AARCH64_INSN_IMM_MAX }; enum aarch64_insn_register_type { AARCH64_INSN_REGTYPE_RT, AARCH64_INSN_REGTYPE_RN, AARCH64_INSN_REGTYPE_RT2, AARCH64_INSN_REGTYPE_RM, AARCH64_INSN_REGTYPE_RD, AARCH64_INSN_REGTYPE_RA, AARCH64_INSN_REGTYPE_RS, }; enum aarch64_insn_register { AARCH64_INSN_REG_0 = 0, AARCH64_INSN_REG_1 = 1, AARCH64_INSN_REG_2 = 2, AARCH64_INSN_REG_3 = 3, AARCH64_INSN_REG_4 = 4, AARCH64_INSN_REG_5 = 5, AARCH64_INSN_REG_6 = 6, AARCH64_INSN_REG_7 = 7, AARCH64_INSN_REG_8 = 8, AARCH64_INSN_REG_9 = 9, AARCH64_INSN_REG_10 = 10, AARCH64_INSN_REG_11 = 11, AARCH64_INSN_REG_12 = 12, AARCH64_INSN_REG_13 = 13, AARCH64_INSN_REG_14 = 14, AARCH64_INSN_REG_15 = 15, AARCH64_INSN_REG_16 = 16, AARCH64_INSN_REG_17 = 17, AARCH64_INSN_REG_18 = 18, AARCH64_INSN_REG_19 = 19, AARCH64_INSN_REG_20 = 20, AARCH64_INSN_REG_21 = 21, AARCH64_INSN_REG_22 = 22, AARCH64_INSN_REG_23 = 23, AARCH64_INSN_REG_24 = 24, AARCH64_INSN_REG_25 = 25, AARCH64_INSN_REG_26 = 26, AARCH64_INSN_REG_27 = 27, AARCH64_INSN_REG_28 = 28, AARCH64_INSN_REG_29 = 29, AARCH64_INSN_REG_FP = 29, /* Frame pointer */ AARCH64_INSN_REG_30 = 30, AARCH64_INSN_REG_LR = 30, /* Link register */ AARCH64_INSN_REG_ZR = 31, /* Zero: as source register */ AARCH64_INSN_REG_SP = 31 /* Stack pointer: as load/store base reg */ }; enum aarch64_insn_special_register { AARCH64_INSN_SPCLREG_SPSR_EL1 = 0xC200, AARCH64_INSN_SPCLREG_ELR_EL1 = 0xC201, AARCH64_INSN_SPCLREG_SP_EL0 = 0xC208, AARCH64_INSN_SPCLREG_SPSEL = 0xC210, AARCH64_INSN_SPCLREG_CURRENTEL = 0xC212, AARCH64_INSN_SPCLREG_DAIF = 0xDA11, AARCH64_INSN_SPCLREG_NZCV = 0xDA10, AARCH64_INSN_SPCLREG_FPCR = 0xDA20, AARCH64_INSN_SPCLREG_DSPSR_EL0 = 0xDA28, AARCH64_INSN_SPCLREG_DLR_EL0 = 0xDA29, AARCH64_INSN_SPCLREG_SPSR_EL2 = 0xE200, AARCH64_INSN_SPCLREG_ELR_EL2 = 0xE201, AARCH64_INSN_SPCLREG_SP_EL1 = 0xE208, AARCH64_INSN_SPCLREG_SPSR_INQ = 0xE218, AARCH64_INSN_SPCLREG_SPSR_ABT = 0xE219, AARCH64_INSN_SPCLREG_SPSR_UND = 0xE21A, AARCH64_INSN_SPCLREG_SPSR_FIQ = 0xE21B, AARCH64_INSN_SPCLREG_SPSR_EL3 = 0xF200, AARCH64_INSN_SPCLREG_ELR_EL3 = 0xF201, AARCH64_INSN_SPCLREG_SP_EL2 = 0xF210 }; enum aarch64_insn_variant { AARCH64_INSN_VARIANT_32BIT, AARCH64_INSN_VARIANT_64BIT }; enum aarch64_insn_condition { AARCH64_INSN_COND_EQ = 0x0, /* == */ AARCH64_INSN_COND_NE = 0x1, /* != */ AARCH64_INSN_COND_CS = 0x2, /* unsigned >= */ AARCH64_INSN_COND_CC = 0x3, /* unsigned < */ AARCH64_INSN_COND_MI = 0x4, /* < 0 */ AARCH64_INSN_COND_PL = 0x5, /* >= 0 */ AARCH64_INSN_COND_VS = 0x6, /* overflow */ AARCH64_INSN_COND_VC = 0x7, /* no overflow */ AARCH64_INSN_COND_HI = 0x8, /* unsigned > */ AARCH64_INSN_COND_LS = 0x9, /* unsigned <= */ AARCH64_INSN_COND_GE = 0xa, /* signed >= */ AARCH64_INSN_COND_LT = 0xb, /* signed < */ AARCH64_INSN_COND_GT = 0xc, /* signed > */ AARCH64_INSN_COND_LE = 0xd, /* signed <= */ AARCH64_INSN_COND_AL = 0xe, /* always */ }; enum aarch64_insn_branch_type { AARCH64_INSN_BRANCH_NOLINK, AARCH64_INSN_BRANCH_LINK, AARCH64_INSN_BRANCH_RETURN, AARCH64_INSN_BRANCH_COMP_ZERO, AARCH64_INSN_BRANCH_COMP_NONZERO, }; enum aarch64_insn_size_type { AARCH64_INSN_SIZE_8, AARCH64_INSN_SIZE_16, AARCH64_INSN_SIZE_32, AARCH64_INSN_SIZE_64, }; enum aarch64_insn_ldst_type { AARCH64_INSN_LDST_LOAD_REG_OFFSET, AARCH64_INSN_LDST_STORE_REG_OFFSET, AARCH64_INSN_LDST_LOAD_IMM_OFFSET, AARCH64_INSN_LDST_STORE_IMM_OFFSET, AARCH64_INSN_LDST_LOAD_PAIR_PRE_INDEX, AARCH64_INSN_LDST_STORE_PAIR_PRE_INDEX, AARCH64_INSN_LDST_LOAD_PAIR_POST_INDEX, AARCH64_INSN_LDST_STORE_PAIR_POST_INDEX, AARCH64_INSN_LDST_LOAD_EX, AARCH64_INSN_LDST_LOAD_ACQ_EX, AARCH64_INSN_LDST_STORE_EX, AARCH64_INSN_LDST_STORE_REL_EX, AARCH64_INSN_LDST_SIGNED_LOAD_IMM_OFFSET, AARCH64_INSN_LDST_SIGNED_LOAD_REG_OFFSET, }; enum aarch64_insn_adsb_type { AARCH64_INSN_ADSB_ADD, AARCH64_INSN_ADSB_SUB, AARCH64_INSN_ADSB_ADD_SETFLAGS, AARCH64_INSN_ADSB_SUB_SETFLAGS }; enum aarch64_insn_movewide_type { AARCH64_INSN_MOVEWIDE_ZERO, AARCH64_INSN_MOVEWIDE_KEEP, AARCH64_INSN_MOVEWIDE_INVERSE }; enum aarch64_insn_bitfield_type { AARCH64_INSN_BITFIELD_MOVE, AARCH64_INSN_BITFIELD_MOVE_UNSIGNED, AARCH64_INSN_BITFIELD_MOVE_SIGNED }; enum aarch64_insn_data1_type { AARCH64_INSN_DATA1_REVERSE_16, AARCH64_INSN_DATA1_REVERSE_32, AARCH64_INSN_DATA1_REVERSE_64, }; enum aarch64_insn_data2_type { AARCH64_INSN_DATA2_UDIV, AARCH64_INSN_DATA2_SDIV, AARCH64_INSN_DATA2_LSLV, AARCH64_INSN_DATA2_LSRV, AARCH64_INSN_DATA2_ASRV, AARCH64_INSN_DATA2_RORV, }; enum aarch64_insn_data3_type { AARCH64_INSN_DATA3_MADD, AARCH64_INSN_DATA3_MSUB, }; enum aarch64_insn_logic_type { AARCH64_INSN_LOGIC_AND, AARCH64_INSN_LOGIC_BIC, AARCH64_INSN_LOGIC_ORR, AARCH64_INSN_LOGIC_ORN, AARCH64_INSN_LOGIC_EOR, AARCH64_INSN_LOGIC_EON, AARCH64_INSN_LOGIC_AND_SETFLAGS, AARCH64_INSN_LOGIC_BIC_SETFLAGS }; enum aarch64_insn_prfm_type { AARCH64_INSN_PRFM_TYPE_PLD, AARCH64_INSN_PRFM_TYPE_PLI, AARCH64_INSN_PRFM_TYPE_PST, }; enum aarch64_insn_prfm_target { AARCH64_INSN_PRFM_TARGET_L1, AARCH64_INSN_PRFM_TARGET_L2, AARCH64_INSN_PRFM_TARGET_L3, }; enum aarch64_insn_prfm_policy { AARCH64_INSN_PRFM_POLICY_KEEP, AARCH64_INSN_PRFM_POLICY_STRM, }; enum aarch64_insn_adr_type { AARCH64_INSN_ADR_TYPE_ADRP, AARCH64_INSN_ADR_TYPE_ADR, }; enum aarch64_insn_mem_atomic_op { AARCH64_INSN_MEM_ATOMIC_ADD, AARCH64_INSN_MEM_ATOMIC_CLR, AARCH64_INSN_MEM_ATOMIC_EOR, AARCH64_INSN_MEM_ATOMIC_SET, AARCH64_INSN_MEM_ATOMIC_SWP, }; enum aarch64_insn_mem_order_type { AARCH64_INSN_MEM_ORDER_NONE, AARCH64_INSN_MEM_ORDER_ACQ, AARCH64_INSN_MEM_ORDER_REL, AARCH64_INSN_MEM_ORDER_ACQREL, }; enum aarch64_insn_mb_type { AARCH64_INSN_MB_SY, AARCH64_INSN_MB_ST, AARCH64_INSN_MB_LD, AARCH64_INSN_MB_ISH, AARCH64_INSN_MB_ISHST, AARCH64_INSN_MB_ISHLD, AARCH64_INSN_MB_NSH, AARCH64_INSN_MB_NSHST, AARCH64_INSN_MB_NSHLD, AARCH64_INSN_MB_OSH, AARCH64_INSN_MB_OSHST, AARCH64_INSN_MB_OSHLD, }; #define __AARCH64_INSN_FUNCS(abbr, mask, val) \ static __always_inline bool aarch64_insn_is_##abbr(u32 code) \ { \ BUILD_BUG_ON(~(mask) & (val)); \ return (code & (mask)) == (val); \ } \ static __always_inline u32 aarch64_insn_get_##abbr##_value(void) \ { \ return (val); \ } /* * ARM Architecture Reference Manual for ARMv8 Profile-A, Issue A.a * Section C3.1 "A64 instruction index by encoding": * AArch64 main encoding table * Bit position * 28 27 26 25 Encoding Group * 0 0 - - Unallocated * 1 0 0 - Data processing, immediate * 1 0 1 - Branch, exception generation and system instructions * - 1 - 0 Loads and stores * - 1 0 1 Data processing - register * 0 1 1 1 Data processing - SIMD and floating point * 1 1 1 1 Data processing - SIMD and floating point * "-" means "don't care" */ __AARCH64_INSN_FUNCS(class_branch_sys, 0x1c000000, 0x14000000) __AARCH64_INSN_FUNCS(adr, 0x9F000000, 0x10000000) __AARCH64_INSN_FUNCS(adrp, 0x9F000000, 0x90000000) __AARCH64_INSN_FUNCS(prfm, 0x3FC00000, 0x39800000) __AARCH64_INSN_FUNCS(prfm_lit, 0xFF000000, 0xD8000000) __AARCH64_INSN_FUNCS(store_imm, 0x3FC00000, 0x39000000) __AARCH64_INSN_FUNCS(load_imm, 0x3FC00000, 0x39400000) __AARCH64_INSN_FUNCS(signed_load_imm, 0X3FC00000, 0x39800000) __AARCH64_INSN_FUNCS(store_pre, 0x3FE00C00, 0x38000C00) __AARCH64_INSN_FUNCS(load_pre, 0x3FE00C00, 0x38400C00) __AARCH64_INSN_FUNCS(store_post, 0x3FE00C00, 0x38000400) __AARCH64_INSN_FUNCS(load_post, 0x3FE00C00, 0x38400400) __AARCH64_INSN_FUNCS(str_reg, 0x3FE0EC00, 0x38206800) __AARCH64_INSN_FUNCS(str_imm, 0x3FC00000, 0x39000000) __AARCH64_INSN_FUNCS(ldadd, 0x3F20FC00, 0x38200000) __AARCH64_INSN_FUNCS(ldclr, 0x3F20FC00, 0x38201000) __AARCH64_INSN_FUNCS(ldeor, 0x3F20FC00, 0x38202000) __AARCH64_INSN_FUNCS(ldset, 0x3F20FC00, 0x38203000) __AARCH64_INSN_FUNCS(swp, 0x3F20FC00, 0x38208000) __AARCH64_INSN_FUNCS(cas, 0x3FA07C00, 0x08A07C00) __AARCH64_INSN_FUNCS(ldr_reg, 0x3FE0EC00, 0x38606800) __AARCH64_INSN_FUNCS(signed_ldr_reg, 0X3FE0FC00, 0x38A0E800) __AARCH64_INSN_FUNCS(ldr_imm, 0x3FC00000, 0x39400000) __AARCH64_INSN_FUNCS(ldr_lit, 0xBF000000, 0x18000000) __AARCH64_INSN_FUNCS(ldrsw_lit, 0xFF000000, 0x98000000) __AARCH64_INSN_FUNCS(exclusive, 0x3F800000, 0x08000000) __AARCH64_INSN_FUNCS(load_ex, 0x3F400000, 0x08400000) __AARCH64_INSN_FUNCS(store_ex, 0x3F400000, 0x08000000) __AARCH64_INSN_FUNCS(stp, 0x7FC00000, 0x29000000) __AARCH64_INSN_FUNCS(ldp, 0x7FC00000, 0x29400000) __AARCH64_INSN_FUNCS(stp_post, 0x7FC00000, 0x28800000) __AARCH64_INSN_FUNCS(ldp_post, 0x7FC00000, 0x28C00000) __AARCH64_INSN_FUNCS(stp_pre, 0x7FC00000, 0x29800000) __AARCH64_INSN_FUNCS(ldp_pre, 0x7FC00000, 0x29C00000) __AARCH64_INSN_FUNCS(add_imm, 0x7F000000, 0x11000000) __AARCH64_INSN_FUNCS(adds_imm, 0x7F000000, 0x31000000) __AARCH64_INSN_FUNCS(sub_imm, 0x7F000000, 0x51000000) __AARCH64_INSN_FUNCS(subs_imm, 0x7F000000, 0x71000000) __AARCH64_INSN_FUNCS(movn, 0x7F800000, 0x12800000) __AARCH64_INSN_FUNCS(sbfm, 0x7F800000, 0x13000000) __AARCH64_INSN_FUNCS(bfm, 0x7F800000, 0x33000000) __AARCH64_INSN_FUNCS(movz, 0x7F800000, 0x52800000) __AARCH64_INSN_FUNCS(ubfm, 0x7F800000, 0x53000000) __AARCH64_INSN_FUNCS(movk, 0x7F800000, 0x72800000) __AARCH64_INSN_FUNCS(add, 0x7F200000, 0x0B000000) __AARCH64_INSN_FUNCS(adds, 0x7F200000, 0x2B000000) __AARCH64_INSN_FUNCS(sub, 0x7F200000, 0x4B000000) __AARCH64_INSN_FUNCS(subs, 0x7F200000, 0x6B000000) __AARCH64_INSN_FUNCS(madd, 0x7FE08000, 0x1B000000) __AARCH64_INSN_FUNCS(msub, 0x7FE08000, 0x1B008000) __AARCH64_INSN_FUNCS(udiv, 0x7FE0FC00, 0x1AC00800) __AARCH64_INSN_FUNCS(sdiv, 0x7FE0FC00, 0x1AC00C00) __AARCH64_INSN_FUNCS(lslv, 0x7FE0FC00, 0x1AC02000) __AARCH64_INSN_FUNCS(lsrv, 0x7FE0FC00, 0x1AC02400) __AARCH64_INSN_FUNCS(asrv, 0x7FE0FC00, 0x1AC02800) __AARCH64_INSN_FUNCS(rorv, 0x7FE0FC00, 0x1AC02C00) __AARCH64_INSN_FUNCS(rev16, 0x7FFFFC00, 0x5AC00400) __AARCH64_INSN_FUNCS(rev32, 0x7FFFFC00, 0x5AC00800) __AARCH64_INSN_FUNCS(rev64, 0x7FFFFC00, 0x5AC00C00) __AARCH64_INSN_FUNCS(and, 0x7F200000, 0x0A000000) __AARCH64_INSN_FUNCS(bic, 0x7F200000, 0x0A200000) __AARCH64_INSN_FUNCS(orr, 0x7F200000, 0x2A000000) __AARCH64_INSN_FUNCS(mov_reg, 0x7FE0FFE0, 0x2A0003E0) __AARCH64_INSN_FUNCS(orn, 0x7F200000, 0x2A200000) __AARCH64_INSN_FUNCS(eor, 0x7F200000, 0x4A000000) __AARCH64_INSN_FUNCS(eon, 0x7F200000, 0x4A200000) __AARCH64_INSN_FUNCS(ands, 0x7F200000, 0x6A000000) __AARCH64_INSN_FUNCS(bics, 0x7F200000, 0x6A200000) __AARCH64_INSN_FUNCS(and_imm, 0x7F800000, 0x12000000) __AARCH64_INSN_FUNCS(orr_imm, 0x7F800000, 0x32000000) __AARCH64_INSN_FUNCS(eor_imm, 0x7F800000, 0x52000000) __AARCH64_INSN_FUNCS(ands_imm, 0x7F800000, 0x72000000) __AARCH64_INSN_FUNCS(extr, 0x7FA00000, 0x13800000) __AARCH64_INSN_FUNCS(b, 0xFC000000, 0x14000000) __AARCH64_INSN_FUNCS(bl, 0xFC000000, 0x94000000) __AARCH64_INSN_FUNCS(cbz, 0x7F000000, 0x34000000) __AARCH64_INSN_FUNCS(cbnz, 0x7F000000, 0x35000000) __AARCH64_INSN_FUNCS(tbz, 0x7F000000, 0x36000000) __AARCH64_INSN_FUNCS(tbnz, 0x7F000000, 0x37000000) __AARCH64_INSN_FUNCS(bcond, 0xFF000010, 0x54000000) __AARCH64_INSN_FUNCS(svc, 0xFFE0001F, 0xD4000001) __AARCH64_INSN_FUNCS(hvc, 0xFFE0001F, 0xD4000002) __AARCH64_INSN_FUNCS(smc, 0xFFE0001F, 0xD4000003) __AARCH64_INSN_FUNCS(brk, 0xFFE0001F, 0xD4200000) __AARCH64_INSN_FUNCS(exception, 0xFF000000, 0xD4000000) __AARCH64_INSN_FUNCS(hint, 0xFFFFF01F, 0xD503201F) __AARCH64_INSN_FUNCS(br, 0xFFFFFC1F, 0xD61F0000) __AARCH64_INSN_FUNCS(br_auth, 0xFEFFF800, 0xD61F0800) __AARCH64_INSN_FUNCS(blr, 0xFFFFFC1F, 0xD63F0000) __AARCH64_INSN_FUNCS(blr_auth, 0xFEFFF800, 0xD63F0800) __AARCH64_INSN_FUNCS(ret, 0xFFFFFC1F, 0xD65F0000) __AARCH64_INSN_FUNCS(ret_auth, 0xFFFFFBFF, 0xD65F0BFF) __AARCH64_INSN_FUNCS(eret, 0xFFFFFFFF, 0xD69F03E0) __AARCH64_INSN_FUNCS(eret_auth, 0xFFFFFBFF, 0xD69F0BFF) __AARCH64_INSN_FUNCS(mrs, 0xFFF00000, 0xD5300000) __AARCH64_INSN_FUNCS(msr_imm, 0xFFF8F01F, 0xD500401F) __AARCH64_INSN_FUNCS(msr_reg, 0xFFF00000, 0xD5100000) __AARCH64_INSN_FUNCS(dmb, 0xFFFFF0FF, 0xD50330BF) __AARCH64_INSN_FUNCS(dsb_base, 0xFFFFF0FF, 0xD503309F) __AARCH64_INSN_FUNCS(dsb_nxs, 0xFFFFF3FF, 0xD503323F) __AARCH64_INSN_FUNCS(isb, 0xFFFFF0FF, 0xD50330DF) __AARCH64_INSN_FUNCS(sb, 0xFFFFFFFF, 0xD50330FF) __AARCH64_INSN_FUNCS(clrex, 0xFFFFF0FF, 0xD503305F) __AARCH64_INSN_FUNCS(ssbb, 0xFFFFFFFF, 0xD503309F) __AARCH64_INSN_FUNCS(pssbb, 0xFFFFFFFF, 0xD503349F) __AARCH64_INSN_FUNCS(bti, 0xFFFFFF3F, 0xD503241f) #undef __AARCH64_INSN_FUNCS static __always_inline bool aarch64_insn_is_steppable_hint(u32 insn) { if (!aarch64_insn_is_hint(insn)) return false; switch (insn & 0xFE0) { case AARCH64_INSN_HINT_XPACLRI: case AARCH64_INSN_HINT_PACIA_1716: case AARCH64_INSN_HINT_PACIB_1716: case AARCH64_INSN_HINT_PACIAZ: case AARCH64_INSN_HINT_PACIASP: case AARCH64_INSN_HINT_PACIBZ: case AARCH64_INSN_HINT_PACIBSP: case AARCH64_INSN_HINT_BTI: case AARCH64_INSN_HINT_BTIC: case AARCH64_INSN_HINT_BTIJ: case AARCH64_INSN_HINT_BTIJC: case AARCH64_INSN_HINT_NOP: return true; default: return false; } } static __always_inline bool aarch64_insn_is_branch(u32 insn) { /* b, bl, cb*, tb*, ret*, b.cond, br*, blr* */ return aarch64_insn_is_b(insn) || aarch64_insn_is_bl(insn) || aarch64_insn_is_cbz(insn) || aarch64_insn_is_cbnz(insn) || aarch64_insn_is_tbz(insn) || aarch64_insn_is_tbnz(insn) || aarch64_insn_is_ret(insn) || aarch64_insn_is_ret_auth(insn) || aarch64_insn_is_br(insn) || aarch64_insn_is_br_auth(insn) || aarch64_insn_is_blr(insn) || aarch64_insn_is_blr_auth(insn) || aarch64_insn_is_bcond(insn); } static __always_inline bool aarch64_insn_is_branch_imm(u32 insn) { return aarch64_insn_is_b(insn) || aarch64_insn_is_bl(insn) || aarch64_insn_is_tbz(insn) || aarch64_insn_is_tbnz(insn) || aarch64_insn_is_cbz(insn) || aarch64_insn_is_cbnz(insn) || aarch64_insn_is_bcond(insn); } static __always_inline bool aarch64_insn_is_adr_adrp(u32 insn) { return aarch64_insn_is_adr(insn) || aarch64_insn_is_adrp(insn); } static __always_inline bool aarch64_insn_is_dsb(u32 insn) { return aarch64_insn_is_dsb_base(insn) || aarch64_insn_is_dsb_nxs(insn); } static __always_inline bool aarch64_insn_is_barrier(u32 insn) { return aarch64_insn_is_dmb(insn) || aarch64_insn_is_dsb(insn) || aarch64_insn_is_isb(insn) || aarch64_insn_is_sb(insn) || aarch64_insn_is_clrex(insn) || aarch64_insn_is_ssbb(insn) || aarch64_insn_is_pssbb(insn); } static __always_inline bool aarch64_insn_is_store_single(u32 insn) { return aarch64_insn_is_store_imm(insn) || aarch64_insn_is_store_pre(insn) || aarch64_insn_is_store_post(insn); } static __always_inline bool aarch64_insn_is_store_pair(u32 insn) { return aarch64_insn_is_stp(insn) || aarch64_insn_is_stp_pre(insn) || aarch64_insn_is_stp_post(insn); } static __always_inline bool aarch64_insn_is_load_single(u32 insn) { return aarch64_insn_is_load_imm(insn) || aarch64_insn_is_load_pre(insn) || aarch64_insn_is_load_post(insn); } static __always_inline bool aarch64_insn_is_load_pair(u32 insn) { return aarch64_insn_is_ldp(insn) || aarch64_insn_is_ldp_pre(insn) || aarch64_insn_is_ldp_post(insn); } static __always_inline bool aarch64_insn_uses_literal(u32 insn) { /* ldr/ldrsw (literal), prfm */ return aarch64_insn_is_ldr_lit(insn) || aarch64_insn_is_ldrsw_lit(insn) || aarch64_insn_is_adr_adrp(insn) || aarch64_insn_is_prfm_lit(insn); } enum aarch64_insn_encoding_class aarch64_get_insn_class(u32 insn); u64 aarch64_insn_decode_immediate(enum aarch64_insn_imm_type type, u32 insn); u32 aarch64_insn_encode_immediate(enum aarch64_insn_imm_type type, u32 insn, u64 imm); u32 aarch64_insn_decode_register(enum aarch64_insn_register_type type, u32 insn); u32 aarch64_insn_gen_branch_imm(unsigned long pc, unsigned long addr, enum aarch64_insn_branch_type type); u32 aarch64_insn_gen_comp_branch_imm(unsigned long pc, unsigned long addr, enum aarch64_insn_register reg, enum aarch64_insn_variant variant, enum aarch64_insn_branch_type type); u32 aarch64_insn_gen_cond_branch_imm(unsigned long pc, unsigned long addr, enum aarch64_insn_condition cond); static __always_inline u32 aarch64_insn_gen_hint(enum aarch64_insn_hint_cr_op op) { return aarch64_insn_get_hint_value() | op; } static __always_inline u32 aarch64_insn_gen_nop(void) { return aarch64_insn_gen_hint(AARCH64_INSN_HINT_NOP); } u32 aarch64_insn_gen_branch_reg(enum aarch64_insn_register reg, enum aarch64_insn_branch_type type); u32 aarch64_insn_gen_load_store_reg(enum aarch64_insn_register reg, enum aarch64_insn_register base, enum aarch64_insn_register offset, enum aarch64_insn_size_type size, enum aarch64_insn_ldst_type type); u32 aarch64_insn_gen_load_store_imm(enum aarch64_insn_register reg, enum aarch64_insn_register base, unsigned int imm, enum aarch64_insn_size_type size, enum aarch64_insn_ldst_type type); u32 aarch64_insn_gen_load_literal(unsigned long pc, unsigned long addr, enum aarch64_insn_register reg, bool is64bit); u32 aarch64_insn_gen_load_store_pair(enum aarch64_insn_register reg1, enum aarch64_insn_register reg2, enum aarch64_insn_register base, int offset, enum aarch64_insn_variant variant, enum aarch64_insn_ldst_type type); u32 aarch64_insn_gen_load_store_ex(enum aarch64_insn_register reg, enum aarch64_insn_register base, enum aarch64_insn_register state, enum aarch64_insn_size_type size, enum aarch64_insn_ldst_type type); u32 aarch64_insn_gen_add_sub_imm(enum aarch64_insn_register dst, enum aarch64_insn_register src, int imm, enum aarch64_insn_variant variant, enum aarch64_insn_adsb_type type); u32 aarch64_insn_gen_adr(unsigned long pc, unsigned long addr, enum aarch64_insn_register reg, enum aarch64_insn_adr_type type); u32 aarch64_insn_gen_bitfield(enum aarch64_insn_register dst, enum aarch64_insn_register src, int immr, int imms, enum aarch64_insn_variant variant, enum aarch64_insn_bitfield_type type); u32 aarch64_insn_gen_movewide(enum aarch64_insn_register dst, int imm, int shift, enum aarch64_insn_variant variant, enum aarch64_insn_movewide_type type); u32 aarch64_insn_gen_add_sub_shifted_reg(enum aarch64_insn_register dst, enum aarch64_insn_register src, enum aarch64_insn_register reg, int shift, enum aarch64_insn_variant variant, enum aarch64_insn_adsb_type type); u32 aarch64_insn_gen_data1(enum aarch64_insn_register dst, enum aarch64_insn_register src, enum aarch64_insn_variant variant, enum aarch64_insn_data1_type type); u32 aarch64_insn_gen_data2(enum aarch64_insn_register dst, enum aarch64_insn_register src, enum aarch64_insn_register reg, enum aarch64_insn_variant variant, enum aarch64_insn_data2_type type); u32 aarch64_insn_gen_data3(enum aarch64_insn_register dst, enum aarch64_insn_register src, enum aarch64_insn_register reg1, enum aarch64_insn_register reg2, enum aarch64_insn_variant variant, enum aarch64_insn_data3_type type); u32 aarch64_insn_gen_logical_shifted_reg(enum aarch64_insn_register dst, enum aarch64_insn_register src, enum aarch64_insn_register reg, int shift, enum aarch64_insn_variant variant, enum aarch64_insn_logic_type type); u32 aarch64_insn_gen_move_reg(enum aarch64_insn_register dst, enum aarch64_insn_register src, enum aarch64_insn_variant variant); u32 aarch64_insn_gen_logical_immediate(enum aarch64_insn_logic_type type, enum aarch64_insn_variant variant, enum aarch64_insn_register Rn, enum aarch64_insn_register Rd, u64 imm); u32 aarch64_insn_gen_extr(enum aarch64_insn_variant variant, enum aarch64_insn_register Rm, enum aarch64_insn_register Rn, enum aarch64_insn_register Rd, u8 lsb); #ifdef CONFIG_ARM64_LSE_ATOMICS u32 aarch64_insn_gen_atomic_ld_op(enum aarch64_insn_register result, enum aarch64_insn_register address, enum aarch64_insn_register value, enum aarch64_insn_size_type size, enum aarch64_insn_mem_atomic_op op, enum aarch64_insn_mem_order_type order); u32 aarch64_insn_gen_cas(enum aarch64_insn_register result, enum aarch64_insn_register address, enum aarch64_insn_register value, enum aarch64_insn_size_type size, enum aarch64_insn_mem_order_type order); #else static inline u32 aarch64_insn_gen_atomic_ld_op(enum aarch64_insn_register result, enum aarch64_insn_register address, enum aarch64_insn_register value, enum aarch64_insn_size_type size, enum aarch64_insn_mem_atomic_op op, enum aarch64_insn_mem_order_type order) { return AARCH64_BREAK_FAULT; } static inline u32 aarch64_insn_gen_cas(enum aarch64_insn_register result, enum aarch64_insn_register address, enum aarch64_insn_register value, enum aarch64_insn_size_type size, enum aarch64_insn_mem_order_type order) { return AARCH64_BREAK_FAULT; } #endif u32 aarch64_insn_gen_dmb(enum aarch64_insn_mb_type type); s32 aarch64_get_branch_offset(u32 insn); u32 aarch64_set_branch_offset(u32 insn, s32 offset); s32 aarch64_insn_adrp_get_offset(u32 insn); u32 aarch64_insn_adrp_set_offset(u32 insn, s32 offset); bool aarch32_insn_is_wide(u32 insn); #define A32_RN_OFFSET 16 #define A32_RT_OFFSET 12 #define A32_RT2_OFFSET 0 u32 aarch64_insn_extract_system_reg(u32 insn); u32 aarch32_insn_extract_reg_num(u32 insn, int offset); u32 aarch32_insn_mcr_extract_opc2(u32 insn); u32 aarch32_insn_mcr_extract_crm(u32 insn); typedef bool (pstate_check_t)(unsigned long); extern pstate_check_t * const aarch32_opcode_cond_checks[16]; #endif /* __ASSEMBLY__ */ #endif /* __ASM_INSN_H */