diff options
| author | Andreas Kling <kling@serenityos.org> | 2020-07-11 23:02:42 +0200 |
|---|---|---|
| committer | Andreas Kling <kling@serenityos.org> | 2020-07-11 23:57:14 +0200 |
| commit | a6719ede0bb3b989f4515599a2e0ff418e23f255 (patch) | |
| tree | 23814f7caa16e8253f4039d45cf927f4a5328452 /DevTools | |
| parent | 2ee451afedce28cc70fcecb8d286fd2504957666 (diff) | |
| download | serenity-a6719ede0bb3b989f4515599a2e0ff418e23f255.zip | |
UserspaceEmulator: Implement the SHR family of instructions
Diffstat (limited to 'DevTools')
| -rw-r--r-- | DevTools/UserspaceEmulator/SoftCPU.cpp | 59 |
1 files changed, 50 insertions, 9 deletions
diff --git a/DevTools/UserspaceEmulator/SoftCPU.cpp b/DevTools/UserspaceEmulator/SoftCPU.cpp index 1ad701d319..ed225442c9 100644 --- a/DevTools/UserspaceEmulator/SoftCPU.cpp +++ b/DevTools/UserspaceEmulator/SoftCPU.cpp @@ -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(); } |