Add XOR instruction

2020-08-07 15:35:40 +08:00 · 2020-08-07 15:35:40 +08:00 · d106ceede7
parent cab30848e9
commit d106ceede7
1 changed files with 11 additions and 0 deletions
--- a/insns/InsnXor.py
+++ 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