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