diff --git a/insns/insn_sh.py b/insns/insn_sh.py new file mode 100644 index 0000000..1a246c5 --- /dev/null +++ b/insns/insn_sh.py @@ -0,0 +1,23 @@ +from insn_S import * + +class rvfi_insn_sh(rvfi_insn_S): + def __init__(self): + super(rvfi_insn_sh, self).__init__() + def ports(self): + return super(rvfi_insn_sh, self).ports() + def elaborate(self, platform): + m = super(rvfi_insn_sh, self).elaborate(platform) + + # SH instruction + addr = Signal(32) + m.d.comb += addr.eq(self.rvfi_rs1_rdata + self.insn_imm) + m.d.comb += self.spec_valid.eq(self.rvfi_valid & (~self.insn_padding) & (self.insn_funct3 == 0b001) & (self.insn_opcode == 0b0100011)) + m.d.comb += self.spec_rs1_addr.eq(self.insn_rs1) + m.d.comb += self.spec_rs2_addr.eq(self.insn_rs2) + m.d.comb += self.spec_mem_addr.eq(addr) + m.d.comb += self.spec_mem_wmask.eq((1 << 2) - 1) + m.d.comb += self.spec_mem_wdata.eq(self.rvfi_rs2_rdata) + m.d.comb += self.spec_pc_wdata.eq(self.rvfi_pc_rdata + 4) + m.d.comb += self.spec_trap.eq(~self.misa_ok) + + return m