From d106ceede79a8918714a9d5bf2647730007372f8 Mon Sep 17 00:00:00 2001 From: Donald Sebastian Leung Date: Fri, 7 Aug 2020 15:35:40 +0800 Subject: [PATCH] Add XOR instruction --- insns/InsnXor.py | 11 +++++++++++ 1 file changed, 11 insertions(+) create mode 100644 insns/InsnXor.py diff --git a/insns/InsnXor.py b/insns/InsnXor.py new file mode 100644 index 0000000..4e08162 --- /dev/null +++ b/insns/InsnXor.py @@ -0,0 +1,11 @@ +from InsnRV32IRType import * + +class InsnXor(InsnRV32IRType): + def __init__(self, RISCV_FORMAL_ILEN, RISCV_FORMAL_XLEN, RISCV_FORMAL_CSR_MISA, RISCV_FORMAL_COMPRESSED): + super(InsnXor, self).__init__(RISCV_FORMAL_ILEN, RISCV_FORMAL_XLEN, RISCV_FORMAL_CSR_MISA, RISCV_FORMAL_COMPRESSED, 0b0000000, 0b100, 0b0110011) + def elaborate(self, platform): + m = super(InsnXor, 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