riscv-formal-nmigen/insns/insn_lui.py

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2020-08-13 15:14:46 +08:00
from insn_rv32i_u_type import *
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"""
LUI instruction
"""
class InsnLui(InsnRV32IUType):
def __init__(self, RISCV_FORMAL_ILEN, RISCV_FORMAL_XLEN, RISCV_FORMAL_CSR_MISA):
super().__init__(RISCV_FORMAL_ILEN, RISCV_FORMAL_XLEN, RISCV_FORMAL_CSR_MISA, 0b0110111)
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def elaborate(self, platform):
m = super().elaborate(platform)
m.d.comb += self.spec_rd_wdata.eq(Mux(self.spec_rd_addr, self.insn_imm, 0))
return m