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fix jalr instruction to take arguments in the form of rd, rs, imm

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This commit is contained in:
Anton Lydike 2023-05-22 22:52:17 +01:00
parent 25d059da09
commit 7a4972d48f
1 changed files with 3 additions and 2 deletions
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5
riscemu/instructions/RV32I.py
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@ -214,9 +214,10 @@ class RV32I(InstructionSet):
def instruction_jalr(self, ins: "Instruction"):
ASSERT_LEN(ins.args, 2)
reg = ins.get_reg(0)
addr = ins.get_imm(1)
base = ins.get_reg(1)
addr = ins.get_imm(2)
self.regs.set(reg, Int32(self.pc))
self.pc = addr
self.pc = self.regs.get(base).unsigned_value + addr
def instruction_ret(self, ins: "Instruction"):
ASSERT_LEN(ins.args, 0)