Refactor insns directory

rvfi/insns/README.md

@@ -89,14 +89,14 @@ Below is a list of instructions currently supported by this port of the riscv-fo
 
 - `IsaRV32I`: RV32I Base ISA
 
-## Core-specific constants
+## Core-specific parameters 
 
-The following core-specific constants are currently supported:
+The following core-specific parameters are currently supported:
 
-| Constant | Description | Valid value(s) | Supported by instruction(s) | Supported by ISA(s) |
+| Constant | Description | Valid value(s) |
-| --- | --- | --- | --- | --- |
+| --- | --- | --- |
-| `RISCV_FORMAL_ILEN` | Max length of instruction retired by core | `32` | LUI, AUIPC, JAL, JALR, BEQ, BNE, BLT, BGE, BLTU, BGEU, LB, LH, LW, LBU, LHU, SB, SH, SW, ADDI, SLTI, SLTIU, XORI, ORI, ANDI, SLLI, SRLI, SRAI, ADD, SUB, SLL, SLT, SLTU, XOR, SRL, SRA, OR, AND | RV32I |
+| `RISCV_FORMAL_ILEN` | Max length of instruction retired by core | `32` |
-| `RISCV_FORMAL_XLEN` | Width of integer registers | `32` | LUI, AUIPC, JAL, JALR, BEQ, BNE, BLT, BGE, BLTU, BGEU, LB, LH, LW, LBU, LHU, SB, SH, SW, ADDI, SLTI, SLTIU, XORI, ORI, ANDI, SLLI, SRLI, SRAI, ADD, SUB, SLL, SLT, SLTU, XOR, SRL, SRA, OR, AND | RV32I |
+| `RISCV_FORMAL_XLEN` | Width of integer registers | `32` |
-| `RISCV_FORMAL_CSR_MISA` | Support for MISA CSRs enabled | `True`, `False` | LUI, AUIPC, JAL, JALR, BEQ, BNE, BLT, BGE, BLTU, BGEU, LB, LH, LW, LBU, LHU, SB, SH, SW, ADDI, SLTI, SLTIU, XORI, ORI, ANDI, SLLI, SRLI, SRAI, ADD, SUB, SLL, SLT, SLTU, XOR, SRL, SRA, OR, AND | RV32I |
+| `RISCV_FORMAL_CSR_MISA` | Support for MISA CSRs enabled | `True`, `False` |
-| `RISCV_FORMAL_COMPRESSED` | Support for compressed instructions | `True`, `False` | JAL, JALR, BEQ, BNE, BLT, BGE, BLTU, BGEU | RV32I |
+| `RISCV_FORMAL_COMPRESSED` | Support for compressed instructions | `True`, `False` |
-| `RISCV_FORMAL_ALIGNED_MEM` | Require aligned memory accesses | `True`, `False` | LB, LH, LW, LBU, LHU, SB, SH, SW | RV32I |
+| `RISCV_FORMAL_ALIGNED_MEM` | Require aligned memory accesses | `True`, `False` |

rvfi/insns/insn.py

@@ -47,6 +47,7 @@ class Insn(Elaboratable):
         self.insn_opcode = Signal(7)
         self.misa_ok = Signal(1)
         self.ialign16 = Signal(1)
+
     def ports(self):
         input_ports = [
             self.rvfi_valid,
@@ -74,6 +75,7 @@ class Insn(Elaboratable):
         if self.params.csr_misa:
             output_ports.append(self.spec_csr_misa_rmask)
         return input_ports + output_ports
+
     def elaborate(self, platform):
         m = Module()
 

rvfi/insns/insn_add.py

@@ -7,6 +7,7 @@ ADD instruction
 class InsnAdd(InsnRV32IRType):
     def __init__(self, params):
         super().__init__(params, 0b0000000, 0b000, 0b0110011)
+
     def elaborate(self, platform):
         m = super().elaborate(platform)
 

rvfi/insns/insn_addi.py

@@ -7,6 +7,7 @@ ADDI instruction
 class InsnAddi(InsnRV32IITypeArith):
     def __init__(self, params):
         super().__init__(params, 0b000)
+
     def elaborate(self, platform):
         m = super().elaborate(platform)
 

rvfi/insns/insn_and.py

@@ -7,6 +7,7 @@ AND instruction
 class InsnAnd(InsnRV32IRType):
     def __init__(self, params):
         super().__init__(params, 0b0000000, 0b111, 0b0110011)
+
     def elaborate(self, platform):
         m = super().elaborate(platform)
 

rvfi/insns/insn_andi.py

@@ -7,6 +7,7 @@ ANDI instruction
 class InsnAndi(InsnRV32IITypeArith):
     def __init__(self, params):
         super().__init__(params, 0b111)
+
     def elaborate(self, platform):
         m = super().elaborate(platform)
 

rvfi/insns/insn_auipc.py

@@ -7,6 +7,7 @@ AUIPC instruction
 class InsnAuipc(InsnRV32IUType):
     def __init__(self, params):
         super().__init__(params, 0b0010111)
+
     def elaborate(self, platform):
         m = super().elaborate(platform)
 

rvfi/insns/insn_beq.py

@@ -7,6 +7,7 @@ BEQ instruction
 class InsnBeq(InsnRV32ISBType):
     def __init__(self, params):
         super().__init__(params, 0b000)
+
     def elaborate(self, platform):
         m = super().elaborate(platform)
 

rvfi/insns/insn_bge.py

@@ -7,6 +7,7 @@ BGE instruction
 class InsnBge(InsnRV32ISBType):
     def __init__(self, params):
         super().__init__(params, 0b101)
+
     def elaborate(self, platform):
         m = super().elaborate(platform)
 

rvfi/insns/insn_bgeu.py

@@ -7,6 +7,7 @@ BGEU instruction
 class InsnBgeu(InsnRV32ISBType):
     def __init__(self, params):
         super().__init__(params, 0b111)
+
     def elaborate(self, platform):
         m = super().elaborate(platform)
 

rvfi/insns/insn_blt.py

@@ -7,6 +7,7 @@ BLT instruction
 class InsnBlt(InsnRV32ISBType):
     def __init__(self, params):
         super().__init__(params, 0b100)
+
     def elaborate(self, platform):
         m = super().elaborate(platform)
 

rvfi/insns/insn_bltu.py

@@ -7,6 +7,7 @@ BLTU instruction
 class InsnBltu(InsnRV32ISBType):
     def __init__(self, params):
         super().__init__(params, 0b110)
+
     def elaborate(self, platform):
         m = super().elaborate(platform)
 

rvfi/insns/insn_bne.py

@@ -7,6 +7,7 @@ BNE instruction
 class InsnBne(InsnRV32ISBType):
     def __init__(self, params):
         super().__init__(params, 0b001)
+
     def elaborate(self, platform):
         m = super().elaborate(platform)
 

rvfi/insns/insn_lui.py

@@ -7,6 +7,7 @@ LUI instruction
 class InsnLui(InsnRV32IUType):
     def __init__(self, params):
         super().__init__(params, 0b0110111)
+
     def elaborate(self, platform):
         m = super().elaborate(platform)
 

rvfi/insns/insn_or.py

@@ -7,6 +7,7 @@ OR instruction
 class InsnOr(InsnRV32IRType):
     def __init__(self, params):
         super().__init__(params, 0b0000000, 0b110, 0b0110011)
+
     def elaborate(self, platform):
         m = super().elaborate(platform)
 

rvfi/insns/insn_ori.py

@@ -7,6 +7,7 @@ ORI instruction
 class InsnOri(InsnRV32IITypeArith):
     def __init__(self, params):
         super().__init__(params, 0b110)
+
     def elaborate(self, platform):
         m = super().elaborate(platform)
 

rvfi/insns/insn_rv32i_i_type_arith.py

@@ -8,6 +8,7 @@ class InsnRV32IITypeArith(InsnRV32IIType):
     def __init__(self, params, funct3):
         super().__init__(params)
         self.funct3 = funct3
+
     def elaborate(self, platform):
         m = super().elaborate(platform)
 

rvfi/insns/insn_rv32i_i_type_load.py

@@ -12,6 +12,7 @@ class InsnRV32IITypeLoad(InsnRV32IIType):
         self.is_signed = is_signed
         self.addr = Signal(self.params.xlen)
         self.result = Signal(8 * self.mask_shift)
+
     def elaborate(self, platform):
         m = super().elaborate(platform)
 

rvfi/insns/insn_rv32i_i_type_shift.py

@@ -9,6 +9,7 @@ class InsnRV32IITypeShift(Insn):
         super().__init__(params)
         self.funct6 = funct6
         self.funct3 = funct3
+
     def elaborate(self, platform):
         m = super().elaborate(platform)
 

rvfi/insns/insn_rv32i_r_type.py

@@ -10,6 +10,7 @@ class InsnRV32IRType(Insn):
         self.funct7 = funct7
         self.funct3 = funct3
         self.opcode = opcode
+
     def elaborate(self, platform):
         m = super().elaborate(platform)
 

rvfi/insns/insn_rv32i_s_type.py

@@ -10,6 +10,7 @@ class InsnRV32ISType(Insn):
         self.funct3 = funct3
         self.mask_shift = mask_shift
         self.addr = Signal(self.params.xlen)
+
     def elaborate(self, platform):
         m = super().elaborate(platform)
 

rvfi/insns/insn_rv32i_sb_type.py

@@ -8,6 +8,7 @@ class InsnRV32ISBType(Insn):
     def __init__(self, params, funct3):
         super().__init__(params)
         self.funct3 = funct3
+
     def elaborate(self, platform):
         m = super().elaborate(platform)
 

rvfi/insns/insn_rv32i_u_type.py

@@ -8,6 +8,7 @@ class InsnRV32IUType(Insn):
     def __init__(self, params, opcode):
         super().__init__(params)
         self.opcode = opcode
+
     def elaborate(self, platform):
         m = super().elaborate(platform)
 

rvfi/insns/insn_sll.py

@@ -7,6 +7,7 @@ SLL instruction
 class InsnSll(InsnRV32IRType):
     def __init__(self, params):
         super().__init__(params, 0b0000000, 0b001, 0b0110011)
+
     def elaborate(self, platform):
         m = super().elaborate(platform)
 

rvfi/insns/insn_slli.py

@@ -7,6 +7,7 @@ SLLI instruction
 class InsnSlli(InsnRV32IITypeShift):
     def __init__(self, params):
         super().__init__(params, 0b000000, 0b001)
+
     def elaborate(self, platform):
         m = super().elaborate(platform)
 

rvfi/insns/insn_slt.py

@@ -7,6 +7,7 @@ SLT instruction
 class InsnSlt(InsnRV32IRType):
     def __init__(self, params):
         super().__init__(params, 0b0000000, 0b010, 0b0110011)
+
     def elaborate(self, platform):
         m = super().elaborate(platform)
 

rvfi/insns/insn_slti.py

@@ -7,6 +7,7 @@ SLTI instruction
 class InsnSlti(InsnRV32IITypeArith):
     def __init__(self, params):
         super().__init__(params, 0b010)
+        
     def elaborate(self, platform):
         m = super().elaborate(platform)
 

rvfi/insns/insn_sltiu.py

@@ -7,6 +7,7 @@ SLTIU instruction
 class InsnSltiu(InsnRV32IITypeArith):
     def __init__(self, params):
         super().__init__(params, 0b011)
+
     def elaborate(self, platform):
         m = super().elaborate(platform)
 

rvfi/insns/insn_sltu.py

@@ -7,6 +7,7 @@ SLTU instruction
 class InsnSltu(InsnRV32IRType):
     def __init__(self, params):
         super().__init__(params, 0b0000000, 0b011, 0b0110011)
+
     def elaborate(self, platform):
         m = super().elaborate(platform)
 

rvfi/insns/insn_sra.py

@@ -7,6 +7,7 @@ SRA instruction
 class InsnSra(InsnRV32IRType):
     def __init__(self, params):
         super().__init__(params, 0b0100000, 0b101, 0b0110011)
+
     def elaborate(self, platform):
         m = super().elaborate(platform)
 

rvfi/insns/insn_srai.py

@@ -7,6 +7,7 @@ SRAI instruction
 class InsnSrai(InsnRV32IITypeShift):
     def __init__(self, params):
         super().__init__(params, 0b010000, 0b101)
+
     def elaborate(self, platform):
         m = super().elaborate(platform)
 

rvfi/insns/insn_srl.py

@@ -7,6 +7,7 @@ SRL instruction
 class InsnSrl(InsnRV32IRType):
     def __init__(self, params):
         super().__init__(params, 0b0000000, 0b100, 0b0110011)
+
     def elaborate(self, platform):
         m = super().elaborate(platform)
 

rvfi/insns/insn_srli.py

@@ -7,6 +7,7 @@ SRLI instruction
 class InsnSrli(InsnRV32IITypeShift):
     def __init__(self, params):
         super().__init__(params, 0b000000, 0b101)
+
     def elaborate(self, platform):
         m = super().elaborate(platform)
 

rvfi/insns/insn_sub.py

@@ -7,6 +7,7 @@ SUB instruction
 class InsnSub(InsnRV32IRType):
     def __init__(self, params):
         super().__init__(params, 0b0100000, 0b000, 0b0110011)
+
     def elaborate(self, platform):
         m = super().elaborate(platform)
 

rvfi/insns/insn_xor.py

@@ -7,6 +7,7 @@ XOR instruction
 class InsnXor(InsnRV32IRType):
     def __init__(self, params):
         super().__init__(params, 0b0000000, 0b100, 0b0110011)
+
     def elaborate(self, platform):
         m = super().elaborate(platform)
 

rvfi/insns/insn_xori.py

@@ -7,6 +7,7 @@ XORI instruction
 class InsnXori(InsnRV32IITypeArith):
     def __init__(self, params):
         super().__init__(params, 0b100)
+
     def elaborate(self, platform):
         m = super().elaborate(platform)
 

rvfi/insns/isa_rv32i.py

@@ -41,38 +41,35 @@ RV32I Base ISA
 """
 
 class IsaRV32I(Elaboratable):
-    def __init__(self, RISCV_FORMAL_ILEN, RISCV_FORMAL_XLEN, RISCV_FORMAL_CSR_MISA, RISCV_FORMAL_COMPRESSED, RISCV_FORMAL_ALIGNED_MEM):
+    def __init__(self, params):
-        # Core-specific constants
+        # Core-specific parameters
-        self.RISCV_FORMAL_ILEN = RISCV_FORMAL_ILEN
+        self.params = params
-        self.RISCV_FORMAL_XLEN = RISCV_FORMAL_XLEN
-        self.RISCV_FORMAL_CSR_MISA = RISCV_FORMAL_CSR_MISA
-        self.RISCV_FORMAL_COMPRESSED = RISCV_FORMAL_COMPRESSED
-        self.RISCV_FORMAL_ALIGNED_MEM = RISCV_FORMAL_ALIGNED_MEM
 
         # Input ports
         self.rvfi_valid = Signal(1)
-        self.rvfi_insn = Signal(self.RISCV_FORMAL_ILEN)
+        self.rvfi_insn = Signal(self.params.ilen)
-        self.rvfi_pc_rdata = Signal(self.RISCV_FORMAL_XLEN)
+        self.rvfi_pc_rdata = Signal(self.params.xlen)
-        self.rvfi_rs1_rdata = Signal(self.RISCV_FORMAL_XLEN)
+        self.rvfi_rs1_rdata = Signal(self.params.xlen)
-        self.rvfi_rs2_rdata = Signal(self.RISCV_FORMAL_XLEN)
+        self.rvfi_rs2_rdata = Signal(self.params.xlen)
-        self.rvfi_mem_rdata = Signal(self.RISCV_FORMAL_XLEN)
+        self.rvfi_mem_rdata = Signal(self.params.xlen)
-        if self.RISCV_FORMAL_CSR_MISA:
+        if self.params.csr_misa:
-            self.rvfi_csr_misa_rdata = Signal(self.RISCV_FORMAL_XLEN)
+            self.rvfi_csr_misa_rdata = Signal(self.params.xlen)
 
         # Output ports
-        if self.RISCV_FORMAL_CSR_MISA:
+        if self.params.csr_misa:
-            self.spec_csr_misa_rmask = Signal(self.RISCV_FORMAL_XLEN)
+            self.spec_csr_misa_rmask = Signal(self.params.xlen)
         self.spec_valid = Signal(1)
         self.spec_trap = Signal(1)
         self.spec_rs1_addr = Signal(5)
         self.spec_rs2_addr = Signal(5)
         self.spec_rd_addr = Signal(5)
-        self.spec_rd_wdata = Signal(self.RISCV_FORMAL_XLEN)
+        self.spec_rd_wdata = Signal(self.params.xlen)
-        self.spec_pc_wdata = Signal(self.RISCV_FORMAL_XLEN)
+        self.spec_pc_wdata = Signal(self.params.xlen)
-        self.spec_mem_addr = Signal(self.RISCV_FORMAL_XLEN)
+        self.spec_mem_addr = Signal(self.params.xlen)
-        self.spec_mem_rmask = Signal(int(self.RISCV_FORMAL_XLEN // 8))
+        self.spec_mem_rmask = Signal(int(self.params.xlen // 8))
-        self.spec_mem_wmask = Signal(int(self.RISCV_FORMAL_XLEN // 8))
+        self.spec_mem_wmask = Signal(int(self.params.xlen // 8))
-        self.spec_mem_wdata = Signal(self.RISCV_FORMAL_XLEN)
+        self.spec_mem_wdata = Signal(self.params.xlen)
+
     def ports(self):
         input_ports = [
             self.rvfi_valid,
@@ -82,7 +79,7 @@ class IsaRV32I(Elaboratable):
             self.rvfi_rs2_rdata,
             self.rvfi_mem_rdata
         ]
-        if self.RISCV_FORMAL_CSR_MISA:
+        if self.params.csr_misa:
             input_ports.append(self.rvfi_csr_misa_rdata)
         output_ports = [
             self.spec_valid,
@@ -97,51 +94,52 @@ class IsaRV32I(Elaboratable):
             self.spec_mem_wmask,
             self.spec_mem_wdata
         ]
-        if self.RISCV_FORMAL_CSR_MISA:
+        if self.params.csr_misa:
             output_ports.append(self.spec_csr_misa_rmask)
         return input_ports + output_ports
+
     def elaborate(self, platform):
         m = Module()
 
         insn_submodules = {}
 
-        m.submodules._lui = insn_submodules['lui'] = InsnLui(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA)
+        m.submodules._lui = insn_submodules['lui'] = InsnLui(self.params)
-        m.submodules._auipc = insn_submodules['auipc'] = InsnAuipc(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA)
+        m.submodules._auipc = insn_submodules['auipc'] = InsnAuipc(self.params)
-        m.submodules._jal = insn_submodules['jal'] = InsnJal(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA, self.RISCV_FORMAL_COMPRESSED)
+        m.submodules._jal = insn_submodules['jal'] = InsnJal(self.params)
-        m.submodules._jalr = insn_submodules['jalr'] = InsnJalr(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA, self.RISCV_FORMAL_COMPRESSED)
+        m.submodules._jalr = insn_submodules['jalr'] = InsnJalr(self.params)
-        m.submodules._beq = insn_submodules['beq'] = InsnBeq(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA, self.RISCV_FORMAL_COMPRESSED)
+        m.submodules._beq = insn_submodules['beq'] = InsnBeq(self.params)
-        m.submodules._bne = insn_submodules['bne'] = InsnBne(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA, self.RISCV_FORMAL_COMPRESSED)
+        m.submodules._bne = insn_submodules['bne'] = InsnBne(self.params)
-        m.submodules._blt = insn_submodules['blt'] = InsnBlt(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA, self.RISCV_FORMAL_COMPRESSED)
+        m.submodules._blt = insn_submodules['blt'] = InsnBlt(self.params)
-        m.submodules._bge = insn_submodules['bge'] = InsnBge(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA, self.RISCV_FORMAL_COMPRESSED)
+        m.submodules._bge = insn_submodules['bge'] = InsnBge(self.params)
-        m.submodules._bltu = insn_submodules['bltu'] = InsnBltu(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA, self.RISCV_FORMAL_COMPRESSED)
+        m.submodules._bltu = insn_submodules['bltu'] = InsnBltu(self.params)
-        m.submodules._bgeu = insn_submodules['bgeu'] = InsnBgeu(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA, self.RISCV_FORMAL_COMPRESSED)
+        m.submodules._bgeu = insn_submodules['bgeu'] = InsnBgeu(self.params)
-        m.submodules._lb = insn_submodules['lb'] = InsnLb(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA, self.RISCV_FORMAL_COMPRESSED)
+        m.submodules._lb = insn_submodules['lb'] = InsnLb(self.params)
-        m.submodules._lh = insn_submodules['lh'] = InsnLh(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA, self.RISCV_FORMAL_COMPRESSED)
+        m.submodules._lh = insn_submodules['lh'] = InsnLh(self.params)
-        m.submodules._lw = insn_submodules['lw'] = InsnLw(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA, self.RISCV_FORMAL_COMPRESSED)
+        m.submodules._lw = insn_submodules['lw'] = InsnLw(self.params)
-        m.submodules._lbu = insn_submodules['lbu'] = InsnLbu(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA, self.RISCV_FORMAL_COMPRESSED)
+        m.submodules._lbu = insn_submodules['lbu'] = InsnLbu(self.params)
-        m.submodules._lhu = insn_submodules['lhu'] = InsnLhu(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA, self.RISCV_FORMAL_COMPRESSED)
+        m.submodules._lhu = insn_submodules['lhu'] = InsnLhu(self.params)
-        m.submodules._sb = insn_submodules['sb'] = InsnSb(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA, self.RISCV_FORMAL_COMPRESSED)
+        m.submodules._sb = insn_submodules['sb'] = InsnSb(self.params)
-        m.submodules._sh = insn_submodules['Sh'] = InsnSh(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA, self.RISCV_FORMAL_COMPRESSED)
+        m.submodules._sh = insn_submodules['Sh'] = InsnSh(self.params)
-        m.submodules._sw = insn_submodules['sw'] = InsnSw(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA, self.RISCV_FORMAL_COMPRESSED)
+        m.submodules._sw = insn_submodules['sw'] = InsnSw(self.params)
-        m.submodules._addi = insn_submodules['addi'] = InsnAddi(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA)
+        m.submodules._addi = insn_submodules['addi'] = InsnAddi(self.params)
-        m.submodules._slti = insn_submodules['slti'] = InsnSlti(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA)
+        m.submodules._slti = insn_submodules['slti'] = InsnSlti(self.params)
-        m.submodules._sltiu = insn_submodules['sltiu'] = InsnSltiu(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA)
+        m.submodules._sltiu = insn_submodules['sltiu'] = InsnSltiu(self.params)
-        m.submodules._xori = insn_submodules['xori'] = InsnXori(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA)
+        m.submodules._xori = insn_submodules['xori'] = InsnXori(self.params)
-        m.submodules._ori = insn_submodules['ori'] = InsnOri(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA)
+        m.submodules._ori = insn_submodules['ori'] = InsnOri(self.params)
-        m.submodules._andi = insn_submodules['andi'] = InsnAndi(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA)
+        m.submodules._andi = insn_submodules['andi'] = InsnAndi(self.params)
-        m.submodules._slli = insn_submodules['slli'] = InsnSlli(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA)
+        m.submodules._slli = insn_submodules['slli'] = InsnSlli(self.params)
-        m.submodules._srli = insn_submodules['srli'] = InsnSrli(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA)
+        m.submodules._srli = insn_submodules['srli'] = InsnSrli(self.params)
-        m.submodules._srai = insn_submodules['srai'] = InsnSrai(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA)
+        m.submodules._srai = insn_submodules['srai'] = InsnSrai(self.params)
-        m.submodules._add = insn_submodules['add'] = InsnAdd(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA)
+        m.submodules._add = insn_submodules['add'] = InsnAdd(self.params)
-        m.submodules._sub = insn_submodules['sub'] = InsnSub(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA)
+        m.submodules._sub = insn_submodules['sub'] = InsnSub(self.params)
-        m.submodules._sll = insn_submodules['sll'] = InsnSll(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA)
+        m.submodules._sll = insn_submodules['sll'] = InsnSll(self.params)
-        m.submodules._slt = insn_submodules['slt'] = InsnSlt(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA)
+        m.submodules._slt = insn_submodules['slt'] = InsnSlt(self.params)
-        m.submodules._sltu = insn_submodules['sltu'] = InsnSltu(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA)
+        m.submodules._sltu = insn_submodules['sltu'] = InsnSltu(self.params)
-        m.submodules._xor = insn_submodules['xor'] = InsnXor(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA)
+        m.submodules._xor = insn_submodules['xor'] = InsnXor(self.params)
-        m.submodules._srl = insn_submodules['srl'] = InsnSrl(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA)
+        m.submodules._srl = insn_submodules['srl'] = InsnSrl(self.params)
-        m.submodules._sra = insn_submodules['sra'] = InsnSra(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA)
+        m.submodules._sra = insn_submodules['sra'] = InsnSra(self.params)
-        m.submodules._or = insn_submodules['or'] = InsnOr(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA)
+        m.submodules._or = insn_submodules['or'] = InsnOr(self.params)
-        m.submodules._and = insn_submodules['and'] = InsnAnd(self.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA)
+        m.submodules._and = insn_submodules['and'] = InsnAnd(self.params)
 
         for _, insn in insn_submodules.items():
             m.d.comb += insn.rvfi_valid.eq(self.rvfi_valid)
@@ -150,7 +148,7 @@ class IsaRV32I(Elaboratable):
             m.d.comb += insn.rvfi_rs1_rdata.eq(self.rvfi_rs1_rdata)
             m.d.comb += insn.rvfi_rs2_rdata.eq(self.rvfi_rs2_rdata)
             m.d.comb += insn.rvfi_mem_rdata.eq(self.rvfi_mem_rdata)
-            if self.RISCV_FORMAL_CSR_MISA:
+            if self.params.csr_misa:
                 m.d.comb += insn.rvfi_csr_misa_rdata.eq(self.rvfi_csr_misa_rdata)
 
         spec_valid = 0
@@ -208,7 +206,7 @@ class IsaRV32I(Elaboratable):
             spec_mem_wdata = Mux(insn.spec_valid, insn.spec_mem_wdata, spec_mem_wdata)
         m.d.comb += self.spec_mem_wdata.eq(spec_mem_wdata)
 
-        if self.RISCV_FORMAL_CSR_MISA:
+        if self.params.csr_misa:
             spec_csr_misa_rmask = 0
             for _, insn in insn_submodules.items():
                 spec_csr_misa_rmask = Mux(insn.spec_valid, insn.spec_csr_misa_rmask, spec_csr_misa_rmask)