From 07f097202dfe62d3e8fb5d7f3722f8c75e6b62ab Mon Sep 17 00:00:00 2001
From: Anton Lydike <me@antonlydike.de>
Date: Sun, 18 Apr 2021 23:44:18 +0200
Subject: [PATCH] added lui instruction to RV32I

---
 riscemu/instructions/RV32I.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/riscemu/instructions/RV32I.py b/riscemu/instructions/RV32I.py
index 1375285..b68a6dd 100644
--- 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)