Add AUIPC instruction

insns/insn_auipc.py

@@ -0,0 +1,17 @@
+from insn_U import *
+
+class rvfi_insn_auipc(rvfi_insn_U):
+    def __init__(self):
+        super(rvfi_insn_auipc, self).__init__()
+    def ports(self):
+        return super(rvfi_insn_auipc, self).ports()
+    def elaborate(self, platform):
+        m = super(rvfi_insn_auipc, self).elaborate(platform)
+
+        # AUIPC instruction
+        m.d.comb += self.spec_valid.eq(self.rvfi_valid & (~self.insn_padding) & (self.insn_opcode == 0b0010111))
+        m.d.comb += self.spec_rd_addr.eq(self.insn_rd)
+        m.d.comb += self.spec_rd_wdata.eq(Mux(self.spec_rd_addr, self.rvfi_pc_rdata + self.insn_imm, 0))
+        m.d.comb += self.spec_pc_wdata.eq(self.rvfi_pc_rdata + 4)
+
+        return m