Add RV32I base ISA

This commit is contained in:
Donald Sebastian Leung 2020-08-13 14:23:55 +08:00
parent 28949f36f4
commit 40344f7841
1 changed files with 70 additions and 1 deletions

View File

@ -143,6 +143,75 @@ class IsaRV32I(Elaboratable):
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.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA)
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.RISCV_FORMAL_ILEN, self.RISCV_FORMAL_XLEN, self.RISCV_FORMAL_CSR_MISA)
# TODO for _, insn in insn_submodules.items():
m.d.comb += insn.rvfi_valid.eq(self.rvfi_valid)
m.d.comb += insn.rvfi_insn.eq(self.rvfi_insn)
m.d.comb += insn.rvfi_pc_rdata.eq(self.rvfi_pc_rdata)
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:
m.d.comb += insn.rvfi_csr_misa_rdata.eq(self.rvfi_csr_misa_rdata)
spec_valid = 0
for _, insn in insn_submodules.items():
spec_valid = Mux(insn.spec_valid, insn.spec_valid, spec_valid)
m.d.comb += self.spec_valid.eq(spec_valid)
spec_trap = 0
for _, insn in insn_submodules.items():
spec_trap = Mux(insn.spec_valid, insn.spec_trap, spec_trap)
m.d.comb += self.spec_trap.eq(spec_trap)
spec_rs1_addr = 0
for _, insn in insn_submodules.items():
spec_rs1_addr = Mux(insn.spec_valid, insn.spec_rs1_addr, spec_rs1_addr)
m.d.comb += self.spec_rs1_addr.eq(spec_rs1_addr)
spec_rs2_addr = 0
for _, insn in insn_submodules.items():
spec_rs2_addr = Mux(insn.spec_valid, insn.spec_rs2_addr, spec_rs2_addr)
m.d.comb += self.spec_rs2_addr.eq(spec_rs2_addr)
spec_rd_addr = 0
for _, insn in insn_submodules.items():
spec_rd_addr = Mux(insn.spec_valid, insn.spec_rd_addr, spec_rd_addr)
m.d.comb += self.spec_rd_addr.eq(spec_rd_addr)
spec_rd_wdata = 0
for _, insn in insn_submodules.items():
spec_rd_wdata = Mux(insn.spec_valid, insn.spec_rd_wdata, spec_rd_wdata)
m.d.comb += self.spec_rd_wdata.eq(spec_rd_wdata)
spec_pc_wdata = 0
for _, insn in insn_submodules.items():
spec_pc_wdata = Mux(insn.spec_valid, insn.spec_pc_wdata, spec_pc_wdata)
m.d.comb += self.spec_pc_wdata.eq(spec_pc_wdata)
spec_mem_addr = 0
for _, insn in insn_submodules.items():
spec_mem_addr = Mux(insn.spec_valid, insn.spec_mem_addr, spec_mem_addr)
m.d.comb += self.spec_mem_addr.eq(spec_mem_addr)
spec_mem_rmask = 0
for _, insn in insn_submodules.items():
spec_mem_rmask = Mux(insn.spec_valid, insn.spec_mem_rmask, spec_mem_rmask)
m.d.comb += self.spec_mem_rmask.eq(spec_mem_rmask)
spec_mem_wmask = 0
for _, insn in insn_submodules.items():
spec_mem_wmask = Mux(insn.spec_valid, insn.spec_mem_wmask, spec_mem_wmask)
m.d.comb += self.spec_mem_wmask.eq(spec_mem_wmask)
spec_mem_wdata = 0
for _, insn in insn_submodules.items():
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:
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)
m.d.comb += self.spec_csr_misa_rmask.eq(spec_csr_misa_rmask)
return m return m