added lui instruction to RV32I

4 years ago · 07f097202d
parent 4c50b8bf06
commit 07f097202d
1 changed files with 4 additions and 1 deletions
--- a/riscemu/instructions/RV32I.py
+++ b/riscemu/instructions/RV32I.py
@ -127,7 +127,10 @@ class RV32I(InstructionSet):
        )

    def instruction_lui(self, ins: 'LoadedInstruction'):
-        INS_NOT_IMPLEMENTED(ins)
+        ASSERT_LEN(ins.args, 2)
+        reg = ins.get_reg(0)
+        imm = ins.get_imm(1)
+        self.regs.set(reg, imm << 12)

    def instruction_auipc(self, ins: 'LoadedInstruction'):
        INS_NOT_IMPLEMENTED(ins)