16 lines
489 B
Python
16 lines
489 B
Python
from InsnRV32IITypeShift import *
|
|
|
|
"""
|
|
SRLI instruction
|
|
"""
|
|
|
|
class InsnSrli(InsnRV32IITypeShift):
|
|
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, 0b000000, 0b101)
|
|
def elaborate(self, platform):
|
|
m = super().elaborate(platform)
|
|
|
|
m.d.comb += self.spec_rd_wdata.eq(Mux(self.spec_rd_addr, self.rvfi_rs1_rdata >> self.insn_shamt, 0))
|
|
|
|
return m
|