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extended userspace RV32I with li, la and mv instruction

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This commit is contained in:
Anton Lydike 2021-12-05 16:45:06 +01:00
parent e9c11e9a41
commit e65775774a
1 changed files with 19 additions and 0 deletions
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19
riscemu/instructions/RV32I.py
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@ -310,3 +310,22 @@ class RV32I(InstructionSet):
def instruction_nop(self, ins: 'LoadedInstruction'):
ASSERT_LEN(ins.args, 0)
pass
def instruction_li(self, ins: 'LoadedInstruction'):
ASSERT_LEN(ins.args, 2)
reg = ins.get_reg(0)
immediate = ins.get_imm(1)
self.regs.set(reg, immediate)
def instruction_la(self, ins: 'LoadedInstruction'):
ASSERT_LEN(ins.args, 2)
reg = ins.get_reg(0)
immediate = ins.get_imm(1)
self.regs.set(reg, immediate)
def instruction_mv(self, ins: 'LoadedInstruction'):
ASSERT_LEN(ins.args, 2)
rd, rs = ins.get_reg(0), ins.get_reg(1)
self.regs.set(rd, self.regs.get(rs))