localparam RV_RS1_LSB = 15; localparam RV_RS1_BITS = 5; localparam RV_RS2_LSB = 20; localparam RV_RS2_BITS = 5; localparam RV_RD_LSB = 7; localparam RV_RD_BITS = 5; // Base ISA (some of these are Z now) localparam RV_BEQ = 32'b?????????????????000?????1100011; localparam RV_BNE = 32'b?????????????????001?????1100011; localparam RV_BLT = 32'b?????????????????100?????1100011; localparam RV_BGE = 32'b?????????????????101?????1100011; localparam RV_BLTU = 32'b?????????????????110?????1100011; localparam RV_BGEU = 32'b?????????????????111?????1100011; localparam RV_JALR = 32'b?????????????????000?????1100111; localparam RV_JAL = 32'b?????????????????????????1101111; localparam RV_LUI = 32'b?????????????????????????0110111; localparam RV_AUIPC = 32'b?????????????????????????0010111; localparam RV_ADDI = 32'b?????????????????000?????0010011; localparam RV_SLLI = 32'b0000000??????????001?????0010011; localparam RV_SLTI = 32'b?????????????????010?????0010011; localparam RV_SLTIU = 32'b?????????????????011?????0010011; localparam RV_XORI = 32'b?????????????????100?????0010011; localparam RV_SRLI = 32'b0000000??????????101?????0010011; localparam RV_SRAI = 32'b0100000??????????101?????0010011; localparam RV_ORI = 32'b?????????????????110?????0010011; localparam RV_ANDI = 32'b?????????????????111?????0010011; localparam RV_ADD = 32'b0000000??????????000?????0110011; localparam RV_SUB = 32'b0100000??????????000?????0110011; localparam RV_SLL = 32'b0000000??????????001?????0110011; localparam RV_SLT = 32'b0000000??????????010?????0110011; localparam RV_SLTU = 32'b0000000??????????011?????0110011; localparam RV_XOR = 32'b0000000??????????100?????0110011; localparam RV_SRL = 32'b0000000??????????101?????0110011; localparam RV_SRA = 32'b0100000??????????101?????0110011; localparam RV_OR = 32'b0000000??????????110?????0110011; localparam RV_AND = 32'b0000000??????????111?????0110011; localparam RV_LB = 32'b?????????????????000?????0000011; localparam RV_LH = 32'b?????????????????001?????0000011; localparam RV_LW = 32'b?????????????????010?????0000011; localparam RV_LBU = 32'b?????????????????100?????0000011; localparam RV_LHU = 32'b?????????????????101?????0000011; localparam RV_SB = 32'b?????????????????000?????0100011; localparam RV_SH = 32'b?????????????????001?????0100011; localparam RV_SW = 32'b?????????????????010?????0100011; localparam RV_FENCE = 32'b?????????????????000?????0001111; localparam RV_FENCE_I = 32'b?????????????????001?????0001111; localparam RV_ECALL = 32'b00000000000000000000000001110011; localparam RV_EBREAK = 32'b00000000000100000000000001110011; localparam RV_CSRRW = 32'b?????????????????001?????1110011; localparam RV_CSRRS = 32'b?????????????????010?????1110011; localparam RV_CSRRC = 32'b?????????????????011?????1110011; localparam RV_CSRRWI = 32'b?????????????????101?????1110011; localparam RV_CSRRSI = 32'b?????????????????110?????1110011; localparam RV_CSRRCI = 32'b?????????????????111?????1110011; localparam RV_MRET = 32'b00110000001000000000000001110011; localparam RV_SYSTEM = 32'b?????????????????????????1110011; localparam RV_WFI = 32'b00010000010100000000000001110011; // M extension localparam RV_MUL = 32'b0000001??????????000?????0110011; localparam RV_MULH = 32'b0000001??????????001?????0110011; localparam RV_MULHSU = 32'b0000001??????????010?????0110011; localparam RV_MULHU = 32'b0000001??????????011?????0110011; localparam RV_DIV = 32'b0000001??????????100?????0110011; localparam RV_DIVU = 32'b0000001??????????101?????0110011; localparam RV_REM = 32'b0000001??????????110?????0110011; localparam RV_REMU = 32'b0000001??????????111?????0110011; // Zba (address generation) localparam RV_SH1ADD = 32'b0010000??????????010?????0110011; localparam RV_SH2ADD = 32'b0010000??????????100?????0110011; localparam RV_SH3ADD = 32'b0010000??????????110?????0110011; // Zbb (basic bit manipulation) localparam RV_ANDN = 32'b0100000??????????111?????0110011; localparam RV_CLZ = 32'b011000000000?????001?????0010011; localparam RV_CPOP = 32'b011000000010?????001?????0010011; localparam RV_CTZ = 32'b011000000001?????001?????0010011; localparam RV_MAX = 32'b0000101??????????110?????0110011; localparam RV_MAXU = 32'b0000101??????????111?????0110011; localparam RV_MIN = 32'b0000101??????????100?????0110011; localparam RV_MINU = 32'b0000101??????????101?????0110011; localparam RV_ORC_B = 32'b001010000111?????101?????0010011; localparam RV_ORN = 32'b0100000??????????110?????0110011; localparam RV_REV8 = 32'b011010011000?????101?????0010011; localparam RV_ROL = 32'b0110000??????????001?????0110011; localparam RV_ROR = 32'b0110000??????????101?????0110011; localparam RV_RORI = 32'b0110000??????????101?????0010011; localparam RV_SEXT_B = 32'b011000000100?????001?????0010011; localparam RV_SEXT_H = 32'b011000000101?????001?????0010011; localparam RV_XNOR = 32'b0100000??????????100?????0110011; localparam RV_ZEXT_H = 32'b000010000000?????100?????0110011; // Zbc (carry-less multiply) localparam RV_CLMUL = 32'b0000101??????????001?????0110011; localparam RV_CLMULH = 32'b0000101??????????011?????0110011; localparam RV_CLMULR = 32'b0000101??????????010?????0110011; // Zbs (single-bit manipulation) localparam RV_BCLR = 32'b0100100??????????001?????0110011; localparam RV_BCLRI = 32'b0100100??????????001?????0010011; localparam RV_BEXT = 32'b0100100??????????101?????0110011; localparam RV_BEXTI = 32'b0100100??????????101?????0010011; localparam RV_BINV = 32'b0110100??????????001?????0110011; localparam RV_BINVI = 32'b0110100??????????001?????0010011; localparam RV_BSET = 32'b0010100??????????001?????0110011; localparam RV_BSETI = 32'b0010100??????????001?????0010011; // C Extension localparam RV_C_ADDI4SPN = 16'b000???????????00; // *** illegal if imm 0 localparam RV_C_LW = 16'b010???????????00; localparam RV_C_SW = 16'b110???????????00; localparam RV_C_ADDI = 16'b000???????????01; localparam RV_C_JAL = 16'b001???????????01; localparam RV_C_J = 16'b101???????????01; localparam RV_C_LI = 16'b010???????????01; // addi16sp when rd=2: localparam RV_C_LUI = 16'b011???????????01; // *** reserved if imm 0 (for both LUI and ADDI16SP) localparam RV_C_SRLI = 16'b100000????????01; // On RV32 imm[5] (instr[12]) must be 0, else reserved NSE. localparam RV_C_SRAI = 16'b100001????????01; // On RV32 imm[5] (instr[12]) must be 0, else reserved NSE. localparam RV_C_ANDI = 16'b100?10????????01; localparam RV_C_SUB = 16'b100011???00???01; localparam RV_C_XOR = 16'b100011???01???01; localparam RV_C_OR = 16'b100011???10???01; localparam RV_C_AND = 16'b100011???11???01; localparam RV_C_BEQZ = 16'b110???????????01; localparam RV_C_BNEZ = 16'b111???????????01; localparam RV_C_SLLI = 16'b0000??????????10; // On RV32 imm[5] (instr[12]) must be 0, else reserved NSE. // jr if !rs2: localparam RV_C_MV = 16'b1000??????????10; // *** reserved if JR and !rs1 (instr[11:7]) // jalr if !rs2: localparam RV_C_ADD = 16'b1001??????????10; // *** EBREAK if !instr[11:2] localparam RV_C_LWSP = 16'b010???????????10; localparam RV_C_SWSP = 16'b110???????????10; // Copies provided here with 0 instead of ? so that these can be used to build 32-bit instructions in the decompressor localparam RV_NOZ_BEQ = 32'b00000000000000000000000001100011; localparam RV_NOZ_BNE = 32'b00000000000000000001000001100011; localparam RV_NOZ_BLT = 32'b00000000000000000100000001100011; localparam RV_NOZ_BGE = 32'b00000000000000000101000001100011; localparam RV_NOZ_BLTU = 32'b00000000000000000110000001100011; localparam RV_NOZ_BGEU = 32'b00000000000000000111000001100011; localparam RV_NOZ_JALR = 32'b00000000000000000000000001100111; localparam RV_NOZ_JAL = 32'b00000000000000000000000001101111; localparam RV_NOZ_LUI = 32'b00000000000000000000000000110111; localparam RV_NOZ_AUIPC = 32'b00000000000000000000000000010111; localparam RV_NOZ_ADDI = 32'b00000000000000000000000000010011; localparam RV_NOZ_SLLI = 32'b00000000000000000001000000010011; localparam RV_NOZ_SLTI = 32'b00000000000000000010000000010011; localparam RV_NOZ_SLTIU = 32'b00000000000000000011000000010011; localparam RV_NOZ_XORI = 32'b00000000000000000100000000010011; localparam RV_NOZ_SRLI = 32'b00000000000000000101000000010011; localparam RV_NOZ_SRAI = 32'b01000000000000000101000000010011; localparam RV_NOZ_ORI = 32'b00000000000000000110000000010011; localparam RV_NOZ_ANDI = 32'b00000000000000000111000000010011; localparam RV_NOZ_ADD = 32'b00000000000000000000000000110011; localparam RV_NOZ_SUB = 32'b01000000000000000000000000110011; localparam RV_NOZ_SLL = 32'b00000000000000000001000000110011; localparam RV_NOZ_SLT = 32'b00000000000000000010000000110011; localparam RV_NOZ_SLTU = 32'b00000000000000000011000000110011; localparam RV_NOZ_XOR = 32'b00000000000000000100000000110011; localparam RV_NOZ_SRL = 32'b00000000000000000101000000110011; localparam RV_NOZ_SRA = 32'b01000000000000000101000000110011; localparam RV_NOZ_OR = 32'b00000000000000000110000000110011; localparam RV_NOZ_AND = 32'b00000000000000000111000000110011; localparam RV_NOZ_LB = 32'b00000000000000000000000000000011; localparam RV_NOZ_LH = 32'b00000000000000000001000000000011; localparam RV_NOZ_LW = 32'b00000000000000000010000000000011; localparam RV_NOZ_LBU = 32'b00000000000000000100000000000011; localparam RV_NOZ_LHU = 32'b00000000000000000101000000000011; localparam RV_NOZ_SB = 32'b00000000000000000000000000100011; localparam RV_NOZ_SH = 32'b00000000000000000001000000100011; localparam RV_NOZ_SW = 32'b00000000000000000010000000100011; localparam RV_NOZ_FENCE = 32'b00000000000000000000000000001111; localparam RV_NOZ_FENCE_I = 32'b00000000000000000001000000001111; localparam RV_NOZ_ECALL = 32'b00000000000000000000000001110011; localparam RV_NOZ_EBREAK = 32'b00000000000100000000000001110011; localparam RV_NOZ_CSRRW = 32'b00000000000000000001000001110011; localparam RV_NOZ_CSRRS = 32'b00000000000000000010000001110011; localparam RV_NOZ_CSRRC = 32'b00000000000000000011000001110011; localparam RV_NOZ_CSRRWI = 32'b00000000000000000101000001110011; localparam RV_NOZ_CSRRSI = 32'b00000000000000000110000001110011; localparam RV_NOZ_CSRRCI = 32'b00000000000000000111000001110011; localparam RV_NOZ_SYSTEM = 32'b00000000000000000000000001110011;