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UserspaceEmulator: Implement the 32-bit LEAVE instruction

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The 16-bit variant is a bit weird. Let's wait until someone needs it.
This commit is contained in:
Andreas Kling 2020-07-11 22:33:01 +02:00
parent 321ee72fe7
commit 6c7ae794ce
1 changed files with 7 additions and 1 deletions
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8
DevTools/UserspaceEmulator/SoftCPU.cpp
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@ -716,7 +716,13 @@ void SoftCPU::LAR_reg32_RM32(const X86::Instruction&) { TODO(); }
void SoftCPU::LDS_reg16_mem16(const X86::Instruction&) { TODO(); }
void SoftCPU::LDS_reg32_mem32(const X86::Instruction&) { TODO(); }
void SoftCPU::LEAVE16(const X86::Instruction&) { TODO(); }
void SoftCPU::LEAVE32(const X86::Instruction&) { TODO(); }
void SoftCPU::LEAVE32(const X86::Instruction&)
{
u32 new_ebp = read_memory32({ ss(), ebp() });
set_esp(ebp() + 4);
set_ebp(new_ebp);
}
void SoftCPU::LEA_reg16_mem16(const X86::Instruction& insn)
{