M-Labs/riscv-formal-nmigen
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Add ADD instruction

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This commit is contained in:
Donald Sebastian Leung 2020-08-07 13:54:00 +08:00
parent 4f7b11d009
commit ccc1bd098b
1 changed files with 11 additions and 0 deletions
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insns/InsnAdd.py Normal file
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from InsnRV32IRType import *
class InsnAdd(InsnRV32IRType):
def __init__(self, RISCV_FORMAL_ILEN, RISCV_FORMAL_XLEN, RISCV_FORMAL_CSR_MISA, RISCV_FORMAL_COMPRESSED):
super(InsnAdd, self).__init__(RISCV_FORMAL_ILEN, RISCV_FORMAL_XLEN, RISCV_FORMAL_CSR_MISA, RISCV_FORMAL_COMPRESSED, 0b0000000, 0b000, 0b0110011)
def elaborate(self, platform):
m = super(InsnAdd, self).elaborate(platform)
m.d.comb += self.spec_rd_wdata.eq(Mux(self.spec_rd_addr, self.rvfi_rs1_rdata + self.rvfi_rs2_rdata, 0))
return m