Fix JALR instruction

2020-07-31 16:15:17 +08:00 · 2020-07-31 16:15:17 +08:00 · ecfe8b11c4
parent d525a89ccb
commit ecfe8b11c4
1 changed files with 1 additions and 0 deletions
--- a/insns/insn_jalr.py
+++ b/insns/insn_jalr.py
@ -8,6 +8,7 @@ class rvfi_insn_jalr(rvfi_insn_I):
    def elaborate(self, platform):
        m = super(rvfi_insn_jalr, self).elaborate(platform)

+        # JALR instruction
        next_pc = Signal(32)
        m.d.comb += next_pc.eq((self.rvfi_rs1_rdata + self.insn_imm) & ~1)
        m.d.comb += self.spec_valid.eq(self.rvfi_valid & (~self.insn_padding) & (self.insn_funct3 == 0b000) & (self.insn_opcode == 0b1100111))