| /* riscv.h. RISC-V opcode list for GDB, the GNU debugger. | |
| Copyright (C) 2011-2021 Free Software Foundation, Inc. | |
| Contributed by Andrew Waterman | |
| This file is part of GDB, GAS, and the GNU binutils. | |
| GDB, GAS, and the GNU binutils are free software; you can redistribute | |
| them and/or modify them under the terms of the GNU General Public | |
| License as published by the Free Software Foundation; either version | |
| 3, or (at your option) any later version. | |
| GDB, GAS, and the GNU binutils are distributed in the hope that they | |
| will be useful, but WITHOUT ANY WARRANTY; without even the implied | |
| warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See | |
| the GNU General Public License for more details. | |
| You should have received a copy of the GNU General Public License | |
| along with this program; see the file COPYING3. If not, | |
| see <http://www.gnu.org/licenses/>. */ | |
| #ifndef _RISCV_H_ | |
| #define _RISCV_H_ | |
| #include "riscv-opc.h" | |
| #include <stdlib.h> | |
| #include <stdint.h> | |
| typedef uint64_t insn_t; | |
| static inline unsigned int riscv_insn_length (insn_t insn) | |
| { | |
| if ((insn & 0x3) != 0x3) /* RVC instructions. */ | |
| return 2; | |
| if ((insn & 0x1f) != 0x1f) /* 32-bit instructions. */ | |
| return 4; | |
| if ((insn & 0x3f) == 0x1f) /* 48-bit instructions. */ | |
| return 6; | |
| if ((insn & 0x7f) == 0x3f) /* 64-bit instructions. */ | |
| return 8; | |
| /* Longer instructions not supported at the moment. */ | |
| return 2; | |
| } | |
| static const char * const riscv_rm[8] = | |
| { | |
| "rne", "rtz", "rdn", "rup", "rmm", 0, 0, "dyn" | |
| }; | |
| static const char * const riscv_pred_succ[16] = | |
| { | |
| 0, "w", "r", "rw", "o", "ow", "or", "orw", | |
| "i", "iw", "ir", "irw", "io", "iow", "ior", "iorw" | |
| }; | |
| #define RVC_JUMP_BITS 11 | |
| #define RVC_JUMP_REACH ((1ULL << RVC_JUMP_BITS) * RISCV_JUMP_ALIGN) | |
| #define RVC_BRANCH_BITS 8 | |
| #define RVC_BRANCH_REACH ((1ULL << RVC_BRANCH_BITS) * RISCV_BRANCH_ALIGN) | |
| #define RV_X(x, s, n) (((x) >> (s)) & ((1 << (n)) - 1)) | |
| #define RV_IMM_SIGN(x) (-(((x) >> 31) & 1)) | |
| #define EXTRACT_ITYPE_IMM(x) \ | |
| (RV_X(x, 20, 12) | (RV_IMM_SIGN(x) << 12)) | |
| #define EXTRACT_STYPE_IMM(x) \ | |
| (RV_X(x, 7, 5) | (RV_X(x, 25, 7) << 5) | (RV_IMM_SIGN(x) << 12)) | |
| #define EXTRACT_BTYPE_IMM(x) \ | |
| ((RV_X(x, 8, 4) << 1) | (RV_X(x, 25, 6) << 5) | (RV_X(x, 7, 1) << 11) | (RV_IMM_SIGN(x) << 12)) | |
| #define EXTRACT_UTYPE_IMM(x) \ | |
| ((RV_X(x, 12, 20) << 12) | (RV_IMM_SIGN(x) << 32)) | |
| #define EXTRACT_JTYPE_IMM(x) \ | |
| ((RV_X(x, 21, 10) << 1) | (RV_X(x, 20, 1) << 11) | (RV_X(x, 12, 8) << 12) | (RV_IMM_SIGN(x) << 20)) | |
| #define EXTRACT_CITYPE_IMM(x) \ | |
| (RV_X(x, 2, 5) | (-RV_X(x, 12, 1) << 5)) | |
| #define EXTRACT_CITYPE_LUI_IMM(x) \ | |
| (EXTRACT_CITYPE_IMM (x) << RISCV_IMM_BITS) | |
| #define EXTRACT_CITYPE_ADDI16SP_IMM(x) \ | |
| ((RV_X(x, 6, 1) << 4) | (RV_X(x, 2, 1) << 5) | (RV_X(x, 5, 1) << 6) | (RV_X(x, 3, 2) << 7) | (-RV_X(x, 12, 1) << 9)) | |
| #define EXTRACT_CITYPE_LWSP_IMM(x) \ | |
| ((RV_X(x, 4, 3) << 2) | (RV_X(x, 12, 1) << 5) | (RV_X(x, 2, 2) << 6)) | |
| #define EXTRACT_CITYPE_LDSP_IMM(x) \ | |
| ((RV_X(x, 5, 2) << 3) | (RV_X(x, 12, 1) << 5) | (RV_X(x, 2, 3) << 6)) | |
| #define EXTRACT_CSSTYPE_IMM(x) \ | |
| (RV_X(x, 7, 6) << 0) | |
| #define EXTRACT_CSSTYPE_SWSP_IMM(x) \ | |
| ((RV_X(x, 9, 4) << 2) | (RV_X(x, 7, 2) << 6)) | |
| #define EXTRACT_CSSTYPE_SDSP_IMM(x) \ | |
| ((RV_X(x, 10, 3) << 3) | (RV_X(x, 7, 3) << 6)) | |
| #define EXTRACT_CIWTYPE_IMM(x) \ | |
| (RV_X(x, 5, 8)) | |
| #define EXTRACT_CIWTYPE_ADDI4SPN_IMM(x) \ | |
| ((RV_X(x, 6, 1) << 2) | (RV_X(x, 5, 1) << 3) | (RV_X(x, 11, 2) << 4) | (RV_X(x, 7, 4) << 6)) | |
| #define EXTRACT_CLTYPE_IMM(x) \ | |
| ((RV_X(x, 5, 2) << 0) | (RV_X(x, 10, 3) << 2)) | |
| #define EXTRACT_CLTYPE_LW_IMM(x) \ | |
| ((RV_X(x, 6, 1) << 2) | (RV_X(x, 10, 3) << 3) | (RV_X(x, 5, 1) << 6)) | |
| #define EXTRACT_CLTYPE_LD_IMM(x) \ | |
| ((RV_X(x, 10, 3) << 3) | (RV_X(x, 5, 2) << 6)) | |
| #define EXTRACT_CBTYPE_IMM(x) \ | |
| ((RV_X(x, 3, 2) << 1) | (RV_X(x, 10, 2) << 3) | (RV_X(x, 2, 1) << 5) | (RV_X(x, 5, 2) << 6) | (-RV_X(x, 12, 1) << 8)) | |
| #define EXTRACT_CJTYPE_IMM(x) \ | |
| ((RV_X(x, 3, 3) << 1) | (RV_X(x, 11, 1) << 4) | (RV_X(x, 2, 1) << 5) | (RV_X(x, 7, 1) << 6) | (RV_X(x, 6, 1) << 7) | (RV_X(x, 9, 2) << 8) | (RV_X(x, 8, 1) << 10) | (-RV_X(x, 12, 1) << 11)) | |
| #define ENCODE_ITYPE_IMM(x) \ | |
| (RV_X(x, 0, 12) << 20) | |
| #define ENCODE_STYPE_IMM(x) \ | |
| ((RV_X(x, 0, 5) << 7) | (RV_X(x, 5, 7) << 25)) | |
| #define ENCODE_BTYPE_IMM(x) \ | |
| ((RV_X(x, 1, 4) << 8) | (RV_X(x, 5, 6) << 25) | (RV_X(x, 11, 1) << 7) | (RV_X(x, 12, 1) << 31)) | |
| #define ENCODE_UTYPE_IMM(x) \ | |
| (RV_X(x, 12, 20) << 12) | |
| #define ENCODE_JTYPE_IMM(x) \ | |
| ((RV_X(x, 1, 10) << 21) | (RV_X(x, 11, 1) << 20) | (RV_X(x, 12, 8) << 12) | (RV_X(x, 20, 1) << 31)) | |
| #define ENCODE_CITYPE_IMM(x) \ | |
| ((RV_X(x, 0, 5) << 2) | (RV_X(x, 5, 1) << 12)) | |
| #define ENCODE_CITYPE_LUI_IMM(x) \ | |
| ENCODE_CITYPE_IMM ((x) >> RISCV_IMM_BITS) | |
| #define ENCODE_CITYPE_ADDI16SP_IMM(x) \ | |
| ((RV_X(x, 4, 1) << 6) | (RV_X(x, 5, 1) << 2) | (RV_X(x, 6, 1) << 5) | (RV_X(x, 7, 2) << 3) | (RV_X(x, 9, 1) << 12)) | |
| #define ENCODE_CITYPE_LWSP_IMM(x) \ | |
| ((RV_X(x, 2, 3) << 4) | (RV_X(x, 5, 1) << 12) | (RV_X(x, 6, 2) << 2)) | |
| #define ENCODE_CITYPE_LDSP_IMM(x) \ | |
| ((RV_X(x, 3, 2) << 5) | (RV_X(x, 5, 1) << 12) | (RV_X(x, 6, 3) << 2)) | |
| #define ENCODE_CSSTYPE_IMM(x) \ | |
| (RV_X(x, 0, 6) << 7) | |
| #define ENCODE_CSSTYPE_SWSP_IMM(x) \ | |
| ((RV_X(x, 2, 4) << 9) | (RV_X(x, 6, 2) << 7)) | |
| #define ENCODE_CSSTYPE_SDSP_IMM(x) \ | |
| ((RV_X(x, 3, 3) << 10) | (RV_X(x, 6, 3) << 7)) | |
| #define ENCODE_CIWTYPE_IMM(x) \ | |
| (RV_X(x, 0, 8) << 5) | |
| #define ENCODE_CIWTYPE_ADDI4SPN_IMM(x) \ | |
| ((RV_X(x, 2, 1) << 6) | (RV_X(x, 3, 1) << 5) | (RV_X(x, 4, 2) << 11) | (RV_X(x, 6, 4) << 7)) | |
| #define ENCODE_CLTYPE_IMM(x) \ | |
| ((RV_X(x, 0, 2) << 5) | (RV_X(x, 2, 3) << 10)) | |
| #define ENCODE_CLTYPE_LW_IMM(x) \ | |
| ((RV_X(x, 2, 1) << 6) | (RV_X(x, 3, 3) << 10) | (RV_X(x, 6, 1) << 5)) | |
| #define ENCODE_CLTYPE_LD_IMM(x) \ | |
| ((RV_X(x, 3, 3) << 10) | (RV_X(x, 6, 2) << 5)) | |
| #define ENCODE_CBTYPE_IMM(x) \ | |
| ((RV_X(x, 1, 2) << 3) | (RV_X(x, 3, 2) << 10) | (RV_X(x, 5, 1) << 2) | (RV_X(x, 6, 2) << 5) | (RV_X(x, 8, 1) << 12)) | |
| #define ENCODE_CJTYPE_IMM(x) \ | |
| ((RV_X(x, 1, 3) << 3) | (RV_X(x, 4, 1) << 11) | (RV_X(x, 5, 1) << 2) | (RV_X(x, 6, 1) << 7) | (RV_X(x, 7, 1) << 6) | (RV_X(x, 8, 2) << 9) | (RV_X(x, 10, 1) << 8) | (RV_X(x, 11, 1) << 12)) | |
| #define VALID_ITYPE_IMM(x) (EXTRACT_ITYPE_IMM(ENCODE_ITYPE_IMM(x)) == (x)) | |
| #define VALID_STYPE_IMM(x) (EXTRACT_STYPE_IMM(ENCODE_STYPE_IMM(x)) == (x)) | |
| #define VALID_BTYPE_IMM(x) (EXTRACT_BTYPE_IMM(ENCODE_BTYPE_IMM(x)) == (x)) | |
| #define VALID_UTYPE_IMM(x) (EXTRACT_UTYPE_IMM(ENCODE_UTYPE_IMM(x)) == (x)) | |
| #define VALID_JTYPE_IMM(x) (EXTRACT_JTYPE_IMM(ENCODE_JTYPE_IMM(x)) == (x)) | |
| #define VALID_CITYPE_IMM(x) (EXTRACT_CITYPE_IMM(ENCODE_CITYPE_IMM(x)) == (x)) | |
| #define VALID_CITYPE_LUI_IMM(x) (ENCODE_CITYPE_LUI_IMM(x) != 0 \ | |
| && EXTRACT_CITYPE_LUI_IMM(ENCODE_CITYPE_LUI_IMM(x)) == (x)) | |
| #define VALID_CITYPE_ADDI16SP_IMM(x) (ENCODE_CITYPE_ADDI16SP_IMM(x) != 0 \ | |
| && EXTRACT_CITYPE_ADDI16SP_IMM(ENCODE_CITYPE_ADDI16SP_IMM(x)) == (x)) | |
| #define VALID_CITYPE_LWSP_IMM(x) (EXTRACT_CITYPE_LWSP_IMM(ENCODE_CITYPE_LWSP_IMM(x)) == (x)) | |
| #define VALID_CITYPE_LDSP_IMM(x) (EXTRACT_CITYPE_LDSP_IMM(ENCODE_CITYPE_LDSP_IMM(x)) == (x)) | |
| #define VALID_CSSTYPE_IMM(x) (EXTRACT_CSSTYPE_IMM(ENCODE_CSSTYPE_IMM(x)) == (x)) | |
| #define VALID_CSSTYPE_SWSP_IMM(x) (EXTRACT_CSSTYPE_SWSP_IMM(ENCODE_CSSTYPE_SWSP_IMM(x)) == (x)) | |
| #define VALID_CSSTYPE_SDSP_IMM(x) (EXTRACT_CSSTYPE_SDSP_IMM(ENCODE_CSSTYPE_SDSP_IMM(x)) == (x)) | |
| #define VALID_CIWTYPE_IMM(x) (EXTRACT_CIWTYPE_IMM(ENCODE_CIWTYPE_IMM(x)) == (x)) | |
| #define VALID_CIWTYPE_ADDI4SPN_IMM(x) (EXTRACT_CIWTYPE_ADDI4SPN_IMM(ENCODE_CIWTYPE_ADDI4SPN_IMM(x)) == (x)) | |
| #define VALID_CLTYPE_IMM(x) (EXTRACT_CLTYPE_IMM(ENCODE_CLTYPE_IMM(x)) == (x)) | |
| #define VALID_CLTYPE_LW_IMM(x) (EXTRACT_CLTYPE_LW_IMM(ENCODE_CLTYPE_LW_IMM(x)) == (x)) | |
| #define VALID_CLTYPE_LD_IMM(x) (EXTRACT_CLTYPE_LD_IMM(ENCODE_CLTYPE_LD_IMM(x)) == (x)) | |
| #define VALID_CBTYPE_IMM(x) (EXTRACT_CBTYPE_IMM(ENCODE_CBTYPE_IMM(x)) == (x)) | |
| #define VALID_CJTYPE_IMM(x) (EXTRACT_CJTYPE_IMM(ENCODE_CJTYPE_IMM(x)) == (x)) | |
| #define RISCV_RTYPE(insn, rd, rs1, rs2) \ | |
| ((MATCH_ ## insn) | ((rd) << OP_SH_RD) | ((rs1) << OP_SH_RS1) | ((rs2) << OP_SH_RS2)) | |
| #define RISCV_ITYPE(insn, rd, rs1, imm) \ | |
| ((MATCH_ ## insn) | ((rd) << OP_SH_RD) | ((rs1) << OP_SH_RS1) | ENCODE_ITYPE_IMM(imm)) | |
| #define RISCV_STYPE(insn, rs1, rs2, imm) \ | |
| ((MATCH_ ## insn) | ((rs1) << OP_SH_RS1) | ((rs2) << OP_SH_RS2) | ENCODE_STYPE_IMM(imm)) | |
| #define RISCV_BTYPE(insn, rs1, rs2, target) \ | |
| ((MATCH_ ## insn) | ((rs1) << OP_SH_RS1) | ((rs2) << OP_SH_RS2) | ENCODE_BTYPE_IMM(target)) | |
| #define RISCV_UTYPE(insn, rd, bigimm) \ | |
| ((MATCH_ ## insn) | ((rd) << OP_SH_RD) | ENCODE_UTYPE_IMM(bigimm)) | |
| #define RISCV_JTYPE(insn, rd, target) \ | |
| ((MATCH_ ## insn) | ((rd) << OP_SH_RD) | ENCODE_JTYPE_IMM(target)) | |
| #define RISCV_NOP RISCV_ITYPE(ADDI, 0, 0, 0) | |
| #define RVC_NOP MATCH_C_ADDI | |
| #define RISCV_CONST_HIGH_PART(VALUE) \ | |
| (((VALUE) + (RISCV_IMM_REACH/2)) & ~(RISCV_IMM_REACH-1)) | |
| #define RISCV_CONST_LOW_PART(VALUE) ((VALUE) - RISCV_CONST_HIGH_PART (VALUE)) | |
| #define RISCV_PCREL_HIGH_PART(VALUE, PC) RISCV_CONST_HIGH_PART((VALUE) - (PC)) | |
| #define RISCV_PCREL_LOW_PART(VALUE, PC) RISCV_CONST_LOW_PART((VALUE) - (PC)) | |
| #define RISCV_JUMP_BITS RISCV_BIGIMM_BITS | |
| #define RISCV_JUMP_ALIGN_BITS 1 | |
| #define RISCV_JUMP_ALIGN (1 << RISCV_JUMP_ALIGN_BITS) | |
| #define RISCV_JUMP_REACH ((1ULL << RISCV_JUMP_BITS) * RISCV_JUMP_ALIGN) | |
| #define RISCV_IMM_BITS 12 | |
| #define RISCV_BIGIMM_BITS (32 - RISCV_IMM_BITS) | |
| #define RISCV_IMM_REACH (1LL << RISCV_IMM_BITS) | |
| #define RISCV_BIGIMM_REACH (1LL << RISCV_BIGIMM_BITS) | |
| #define RISCV_RVC_IMM_REACH (1LL << 6) | |
| #define RISCV_BRANCH_BITS RISCV_IMM_BITS | |
| #define RISCV_BRANCH_ALIGN_BITS RISCV_JUMP_ALIGN_BITS | |
| #define RISCV_BRANCH_ALIGN (1 << RISCV_BRANCH_ALIGN_BITS) | |
| #define RISCV_BRANCH_REACH (RISCV_IMM_REACH * RISCV_BRANCH_ALIGN) | |
| /* RV fields. */ | |
| #define OP_MASK_OP 0x7f | |
| #define OP_SH_OP 0 | |
| #define OP_MASK_RS2 0x1f | |
| #define OP_SH_RS2 20 | |
| #define OP_MASK_RS1 0x1f | |
| #define OP_SH_RS1 15 | |
| #define OP_MASK_RS3 0x1fU | |
| #define OP_SH_RS3 27 | |
| #define OP_MASK_RD 0x1f | |
| #define OP_SH_RD 7 | |
| #define OP_MASK_SHAMT 0x3f | |
| #define OP_SH_SHAMT 20 | |
| #define OP_MASK_SHAMTW 0x1f | |
| #define OP_SH_SHAMTW 20 | |
| #define OP_MASK_RM 0x7 | |
| #define OP_SH_RM 12 | |
| #define OP_MASK_PRED 0xf | |
| #define OP_SH_PRED 24 | |
| #define OP_MASK_SUCC 0xf | |
| #define OP_SH_SUCC 20 | |
| #define OP_MASK_AQ 0x1 | |
| #define OP_SH_AQ 26 | |
| #define OP_MASK_RL 0x1 | |
| #define OP_SH_RL 25 | |
| #define OP_MASK_CSR 0xfffU | |
| #define OP_SH_CSR 20 | |
| #define OP_MASK_FUNCT3 0x7 | |
| #define OP_SH_FUNCT3 12 | |
| #define OP_MASK_FUNCT7 0x7fU | |
| #define OP_SH_FUNCT7 25 | |
| #define OP_MASK_FUNCT2 0x3 | |
| #define OP_SH_FUNCT2 25 | |
| /* RVC fields. */ | |
| #define OP_MASK_OP2 0x3 | |
| #define OP_SH_OP2 0 | |
| #define OP_MASK_CRS2 0x1f | |
| #define OP_SH_CRS2 2 | |
| #define OP_MASK_CRS1S 0x7 | |
| #define OP_SH_CRS1S 7 | |
| #define OP_MASK_CRS2S 0x7 | |
| #define OP_SH_CRS2S 2 | |
| #define OP_MASK_CFUNCT6 0x3f | |
| #define OP_SH_CFUNCT6 10 | |
| #define OP_MASK_CFUNCT4 0xf | |
| #define OP_SH_CFUNCT4 12 | |
| #define OP_MASK_CFUNCT3 0x7 | |
| #define OP_SH_CFUNCT3 13 | |
| #define OP_MASK_CFUNCT2 0x3 | |
| #define OP_SH_CFUNCT2 5 | |
| /* ABI names for selected x-registers. */ | |
| #define X_RA 1 | |
| #define X_SP 2 | |
| #define X_GP 3 | |
| #define X_TP 4 | |
| #define X_T0 5 | |
| #define X_T1 6 | |
| #define X_T2 7 | |
| #define X_T3 28 | |
| #define NGPR 32 | |
| #define NFPR 32 | |
| /* These fake label defines are use by both the assembler, and | |
| libopcodes. The assembler uses this when it needs to generate a fake | |
| label, and libopcodes uses it to hide the fake labels in its output. */ | |
| #define RISCV_FAKE_LABEL_NAME ".L0 " | |
| #define RISCV_FAKE_LABEL_CHAR ' ' | |
| /* Replace bits MASK << SHIFT of STRUCT with the equivalent bits in | |
| VALUE << SHIFT. VALUE is evaluated exactly once. */ | |
| #define INSERT_BITS(STRUCT, VALUE, MASK, SHIFT) \ | |
| (STRUCT) = (((STRUCT) & ~((insn_t)(MASK) << (SHIFT))) \ | |
| | ((insn_t)((VALUE) & (MASK)) << (SHIFT))) | |
| /* Extract bits MASK << SHIFT from STRUCT and shift them right | |
| SHIFT places. */ | |
| #define EXTRACT_BITS(STRUCT, MASK, SHIFT) \ | |
| (((STRUCT) >> (SHIFT)) & (MASK)) | |
| /* Extract the operand given by FIELD from integer INSN. */ | |
| #define EXTRACT_OPERAND(FIELD, INSN) \ | |
| EXTRACT_BITS ((INSN), OP_MASK_##FIELD, OP_SH_##FIELD) | |
| /* The maximal number of subset can be required. */ | |
| #define MAX_SUBSET_NUM 4 | |
| /* All RISC-V instructions belong to at least one of these classes. */ | |
| enum riscv_insn_class | |
| { | |
| INSN_CLASS_NONE, | |
| INSN_CLASS_I, | |
| INSN_CLASS_C, | |
| INSN_CLASS_A, | |
| INSN_CLASS_M, | |
| INSN_CLASS_F, | |
| INSN_CLASS_D, | |
| INSN_CLASS_Q, | |
| INSN_CLASS_F_AND_C, | |
| INSN_CLASS_D_AND_C, | |
| INSN_CLASS_ZICSR, | |
| INSN_CLASS_ZIFENCEI, | |
| INSN_CLASS_ZIHINTPAUSE, | |
| INSN_CLASS_ZBA, | |
| INSN_CLASS_ZBB, | |
| INSN_CLASS_ZBC, | |
| }; | |
| /* This structure holds information for a particular instruction. */ | |
| struct riscv_opcode | |
| { | |
| /* The name of the instruction. */ | |
| const char *name; | |
| /* The requirement of xlen for the instruction, 0 if no requirement. */ | |
| unsigned xlen_requirement; | |
| /* Class to which this instruction belongs. Used to decide whether or | |
| not this instruction is legal in the current -march context. */ | |
| enum riscv_insn_class insn_class; | |
| /* A string describing the arguments for this instruction. */ | |
| const char *args; | |
| /* The basic opcode for the instruction. When assembling, this | |
| opcode is modified by the arguments to produce the actual opcode | |
| that is used. If pinfo is INSN_MACRO, then this is 0. */ | |
| insn_t match; | |
| /* If pinfo is not INSN_MACRO, then this is a bit mask for the | |
| relevant portions of the opcode when disassembling. If the | |
| actual opcode anded with the match field equals the opcode field, | |
| then we have found the correct instruction. If pinfo is | |
| INSN_MACRO, then this field is the macro identifier. */ | |
| insn_t mask; | |
| /* A function to determine if a word corresponds to this instruction. | |
| Usually, this computes ((word & mask) == match). */ | |
| int (*match_func) (const struct riscv_opcode *op, insn_t word); | |
| /* For a macro, this is INSN_MACRO. Otherwise, it is a collection | |
| of bits describing the instruction, notably any relevant hazard | |
| information. */ | |
| unsigned long pinfo; | |
| }; | |
| /* Instruction is a simple alias (e.g. "mv" for "addi"). */ | |
| #define INSN_ALIAS 0x00000001 | |
| /* These are for setting insn_info fields. | |
| Nonbranch is the default. Noninsn is used only if there is no match. | |
| There are no condjsr or dref2 instructions. So that leaves condbranch, | |
| branch, jsr, and dref that we need to handle here, encoded in 3 bits. */ | |
| #define INSN_TYPE 0x0000000e | |
| /* Instruction is an unconditional branch. */ | |
| #define INSN_BRANCH 0x00000002 | |
| /* Instruction is a conditional branch. */ | |
| #define INSN_CONDBRANCH 0x00000004 | |
| /* Instruction is a jump to subroutine. */ | |
| #define INSN_JSR 0x00000006 | |
| /* Instruction is a data reference. */ | |
| #define INSN_DREF 0x00000008 | |
| /* We have 5 data reference sizes, which we can encode in 3 bits. */ | |
| #define INSN_DATA_SIZE 0x00000070 | |
| #define INSN_DATA_SIZE_SHIFT 4 | |
| #define INSN_1_BYTE 0x00000010 | |
| #define INSN_2_BYTE 0x00000020 | |
| #define INSN_4_BYTE 0x00000030 | |
| #define INSN_8_BYTE 0x00000040 | |
| #define INSN_16_BYTE 0x00000050 | |
| /* Instruction is actually a macro. It should be ignored by the | |
| disassembler, and requires special treatment by the assembler. */ | |
| #define INSN_MACRO 0xffffffff | |
| /* This is a list of macro expanded instructions. */ | |
| enum | |
| { | |
| M_LA, | |
| M_LLA, | |
| M_LA_TLS_GD, | |
| M_LA_TLS_IE, | |
| M_LB, | |
| M_LBU, | |
| M_LH, | |
| M_LHU, | |
| M_LW, | |
| M_LWU, | |
| M_LD, | |
| M_SB, | |
| M_SH, | |
| M_SW, | |
| M_SD, | |
| M_FLW, | |
| M_FLD, | |
| M_FLQ, | |
| M_FSW, | |
| M_FSD, | |
| M_FSQ, | |
| M_CALL, | |
| M_J, | |
| M_LI, | |
| M_ZEXTH, | |
| M_ZEXTW, | |
| M_SEXTB, | |
| M_SEXTH, | |
| M_NUM_MACROS | |
| }; | |
| /* The mapping symbol states. */ | |
| enum riscv_seg_mstate | |
| { | |
| MAP_NONE = 0, /* Must be zero, for seginfo in new sections. */ | |
| MAP_DATA, /* Data. */ | |
| MAP_INSN, /* Instructions. */ | |
| }; | |
| extern const char * const riscv_gpr_names_numeric[NGPR]; | |
| extern const char * const riscv_gpr_names_abi[NGPR]; | |
| extern const char * const riscv_fpr_names_numeric[NFPR]; | |
| extern const char * const riscv_fpr_names_abi[NFPR]; | |
| extern const struct riscv_opcode riscv_opcodes[]; | |
| extern const struct riscv_opcode riscv_insn_types[]; | |
| #endif /* _RISCV_H_ */ |