riscv-formal-nmigen/rvfi/insns/insn_lui.py

16 lines
450 B
Python

from .insn_rv32i_u_type import *
"""
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)
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