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UserspaceEmulator: Implement the SHR family of instructions

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This commit is contained in:
Andreas Kling
2020-07-11 23:02:42 +02:00
parent 2ee451afed
commit a6719ede0b
1 changed files with 50 additions and 9 deletions
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59
DevTools/UserspaceEmulator/SoftCPU.cpp
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@@ -1159,20 +1159,61 @@ void SoftCPU::SHRD_RM16_reg16_CL(const X86::Instruction&) { TODO(); }
void SoftCPU::SHRD_RM16_reg16_imm8(const X86::Instruction&) { TODO(); }
void SoftCPU::SHRD_RM32_reg32_CL(const X86::Instruction&) { TODO(); }
void SoftCPU::SHRD_RM32_reg32_imm8(const X86::Instruction&) { TODO(); }
void SoftCPU::SHR_RM16_1(const X86::Instruction&) { TODO(); }
void SoftCPU::SHR_RM16_CL(const X86::Instruction&) { TODO(); }
void SoftCPU::SHR_RM16_imm8(const X86::Instruction&) { TODO(); }
void SoftCPU::SHR_RM32_1(const X86::Instruction&) { TODO(); }
void SoftCPU::SHR_RM32_CL(const X86::Instruction&) { TODO(); }
void SoftCPU::SHR_RM16_1(const X86::Instruction& insn)
{
auto data = insn.modrm().read16(*this, insn);
insn.modrm().write16(*this, insn, op_shr(*this, data, 1));
}
void SoftCPU::SHR_RM16_CL(const X86::Instruction& insn)
{
auto data = insn.modrm().read16(*this, insn);
insn.modrm().write16(*this, insn, op_shr(*this, data, cl()));
}
void SoftCPU::SHR_RM16_imm8(const X86::Instruction& insn)
{
auto data = insn.modrm().read16(*this, insn);
insn.modrm().write16(*this, insn, op_shr(*this, data, insn.imm8()));
}
void SoftCPU::SHR_RM32_1(const X86::Instruction& insn)
{
auto data = insn.modrm().read32(*this, insn);
insn.modrm().write32(*this, insn, op_shr(*this, data, 1));
}
void SoftCPU::SHR_RM32_CL(const X86::Instruction& insn)
{
auto data = insn.modrm().read32(*this, insn);
insn.modrm().write32(*this, insn, op_shr(*this, data, cl()));
}
void SoftCPU::SHR_RM32_imm8(const X86::Instruction& insn)
{
insn.modrm().write32(*this, insn, op_shr<u32>(*this, insn.modrm().read32(*this, insn), insn.imm8()));
auto data = insn.modrm().read32(*this, insn);
insn.modrm().write32(*this, insn, op_shr(*this, data, insn.imm8()));
}
void SoftCPU::SHR_RM8_1(const X86::Instruction& insn)
{
auto data = insn.modrm().read8(*this, insn);
insn.modrm().write8(*this, insn, op_shr(*this, data, 1));
}
void SoftCPU::SHR_RM8_CL(const X86::Instruction& insn)
{
auto data = insn.modrm().read8(*this, insn);
insn.modrm().write8(*this, insn, op_shr(*this, data, cl()));
}
void SoftCPU::SHR_RM8_imm8(const X86::Instruction& insn)
{
auto data = insn.modrm().read8(*this, insn);
insn.modrm().write8(*this, insn, op_shr(*this, data, insn.imm8()));
}
void SoftCPU::SHR_RM8_1(const X86::Instruction&) { TODO(); }
void SoftCPU::SHR_RM8_CL(const X86::Instruction&) { TODO(); }
void SoftCPU::SHR_RM8_imm8(const X86::Instruction&) { TODO(); }
void SoftCPU::SIDT(const X86::Instruction&) { TODO(); }
void SoftCPU::SLDT_RM16(const X86::Instruction&) { TODO(); }
void SoftCPU::SMSW_RM16(const X86::Instruction&) { TODO(); }