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UserspaceEmulator: Implement RET_imm16

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This is just like RET, but it also pops N bytes off the stack.
This commit is contained in:
Andreas Kling 2020-07-11 23:28:58 +02:00
parent eb86264d3b
commit bfacb9583a
1 changed files with 8 additions and 1 deletions
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9
DevTools/UserspaceEmulator/SoftCPU.cpp
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@ -1009,7 +1009,14 @@ void SoftCPU::RET(const X86::Instruction& insn)
void SoftCPU::RETF(const X86::Instruction&) { TODO(); } void SoftCPU::RETF(const X86::Instruction&) { TODO(); }
void SoftCPU::RETF_imm16(const X86::Instruction&) { TODO(); } void SoftCPU::RETF_imm16(const X86::Instruction&) { TODO(); }
void SoftCPU::RET_imm16(const X86::Instruction&) { TODO(); }
void SoftCPU::RET_imm16(const X86::Instruction& insn)
{
ASSERT(!insn.has_operand_size_override_prefix());
set_eip(pop32());
set_esp(esp() + insn.imm16());
}
void SoftCPU::ROL_RM16_1(const X86::Instruction&) { TODO(); } void SoftCPU::ROL_RM16_1(const X86::Instruction&) { TODO(); }
void SoftCPU::ROL_RM16_CL(const X86::Instruction&) { TODO(); } void SoftCPU::ROL_RM16_CL(const X86::Instruction&) { TODO(); }
void SoftCPU::ROL_RM16_imm8(const X86::Instruction&) { TODO(); } void SoftCPU::ROL_RM16_imm8(const X86::Instruction&) { TODO(); }