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UserspaceEmulator: Implement PUSH_{CS,DS,ES,FS,GS,SS}

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You can now push the segment registers on the stack! :^)
This commit is contained in:
Andreas Kling 2022-12-06 17:23:04 +01:00
parent b6472c250c
commit bd1f39ebaa
1 changed files with 29 additions and 6 deletions
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35
Userland/DevTools/UserspaceEmulator/SoftCPU.cpp
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@ -2409,11 +2409,30 @@ void SoftCPU::PUSHFD(const X86::Instruction&)
push32(shadow_wrap_as_initialized(m_eflags & 0x00fcffff)); push32(shadow_wrap_as_initialized(m_eflags & 0x00fcffff));
} }
void SoftCPU::PUSH_CS(const X86::Instruction&) { TODO_INSN(); } void SoftCPU::PUSH_CS(X86::Instruction const&)
void SoftCPU::PUSH_DS(const X86::Instruction&) { TODO_INSN(); } {
void SoftCPU::PUSH_ES(const X86::Instruction&) { TODO_INSN(); } push16(shadow_wrap_as_initialized(cs()));
void SoftCPU::PUSH_FS(const X86::Instruction&) { TODO_INSN(); } }
void SoftCPU::PUSH_GS(const X86::Instruction&) { TODO_INSN(); }
void SoftCPU::PUSH_DS(X86::Instruction const&)
{
push16(shadow_wrap_as_initialized(ds()));
}
void SoftCPU::PUSH_ES(X86::Instruction const&)
{
push16(shadow_wrap_as_initialized(es()));
}
void SoftCPU::PUSH_FS(X86::Instruction const&)
{
push16(shadow_wrap_as_initialized(fs()));
}
void SoftCPU::PUSH_GS(X86::Instruction const&)
{
push16(shadow_wrap_as_initialized(gs()));
}
void SoftCPU::PUSH_RM16(const X86::Instruction& insn) void SoftCPU::PUSH_RM16(const X86::Instruction& insn)
{ {
@ -2426,7 +2445,11 @@ void SoftCPU::PUSH_RM32(const X86::Instruction& insn)
} }
void SoftCPU::PUSH_SP_8086_80186(const X86::Instruction&) { TODO_INSN(); } void SoftCPU::PUSH_SP_8086_80186(const X86::Instruction&) { TODO_INSN(); }
void SoftCPU::PUSH_SS(const X86::Instruction&) { TODO_INSN(); }
void SoftCPU::PUSH_SS(X86::Instruction const&)
{
push16(shadow_wrap_as_initialized(ss()));
}
void SoftCPU::PUSH_imm16(const X86::Instruction& insn) void SoftCPU::PUSH_imm16(const X86::Instruction& insn)
{ {