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authorAndreas Kling <kling@serenityos.org>2020-07-11 15:47:53 +0200
committerAndreas Kling <kling@serenityos.org>2020-07-11 15:47:53 +0200
commit7d41b95071a3e445b36c72fc6f2662e70bfe110e (patch)
tree4adb00928f477eb38d2e5d2e2b20c79ae62437ab /DevTools/UserspaceEmulator
parente852768ba659b24eba78ada23ded37266c22f7d4 (diff)
downloadserenity-7d41b95071a3e445b36c72fc6f2662e70bfe110e.zip
UserspaceEmulator: Tweak INC and SAR helpers to not be SoftCPU members
It's quite nice having these as compartmentalized free functions.
Diffstat (limited to 'DevTools/UserspaceEmulator')
-rw-r--r--DevTools/UserspaceEmulator/SoftCPU.cpp36
-rw-r--r--DevTools/UserspaceEmulator/SoftCPU.h5
2 files changed, 18 insertions, 23 deletions
diff --git a/DevTools/UserspaceEmulator/SoftCPU.cpp b/DevTools/UserspaceEmulator/SoftCPU.cpp
index 85eb34e9e3..ea2ee7461c 100644
--- a/DevTools/UserspaceEmulator/SoftCPU.cpp
+++ b/DevTools/UserspaceEmulator/SoftCPU.cpp
@@ -439,7 +439,7 @@ void SoftCPU::IMUL_reg32_RM32_imm32(const X86::Instruction&) { TODO(); }
void SoftCPU::IMUL_reg32_RM32_imm8(const X86::Instruction&) { TODO(); }
template<typename T>
-T SoftCPU::inc_impl(T data)
+static T op_inc(SoftCPU& cpu, T data)
{
T result = 0;
u32 new_flags = 0;
@@ -463,33 +463,33 @@ T SoftCPU::inc_impl(T data)
"pop %%ebx"
: "=b"(new_flags));
- set_flags_oszap(new_flags);
+ cpu.set_flags_oszap(new_flags);
return result;
}
void SoftCPU::INC_RM16(const X86::Instruction& insn)
{
- insn.modrm().write16(*this, insn, inc_impl(insn.modrm().read16(*this, insn)));
+ insn.modrm().write16(*this, insn, op_inc(*this, insn.modrm().read16(*this, insn)));
}
void SoftCPU::INC_RM32(const X86::Instruction& insn)
{
- insn.modrm().write32(*this, insn, inc_impl(insn.modrm().read32(*this, insn)));
+ insn.modrm().write32(*this, insn, op_inc(*this, insn.modrm().read32(*this, insn)));
}
void SoftCPU::INC_RM8(const X86::Instruction& insn)
{
- insn.modrm().write8(*this, insn, inc_impl(insn.modrm().read8(*this, insn)));
+ insn.modrm().write8(*this, insn, op_inc(*this, insn.modrm().read8(*this, insn)));
}
void SoftCPU::INC_reg16(const X86::Instruction& insn)
{
- gpr16(insn.reg16()) = inc_impl(gpr16(insn.reg16()));
+ gpr16(insn.reg16()) = op_inc(*this, gpr16(insn.reg16()));
}
void SoftCPU::INC_reg32(const X86::Instruction& insn)
{
- gpr32(insn.reg32()) = inc_impl(gpr32(insn.reg32()));
+ gpr32(insn.reg32()) = op_inc(*this, gpr32(insn.reg32()));
}
void SoftCPU::INSB(const X86::Instruction&) { TODO(); }
@@ -762,7 +762,7 @@ void SoftCPU::SAHF(const X86::Instruction&) { TODO(); }
void SoftCPU::SALC(const X86::Instruction&) { TODO(); }
template<typename T>
-T SoftCPU::sar_impl(T data, u8 steps)
+static T op_sar(SoftCPU& cpu, T data, u8 steps)
{
if (steps == 0)
return data;
@@ -785,62 +785,62 @@ T SoftCPU::sar_impl(T data, u8 steps)
"pop %%eax"
: "=a"(new_flags));
- set_flags_oszapc(new_flags);
+ cpu.set_flags_oszapc(new_flags);
return result;
}
void SoftCPU::SAR_RM16_1(const X86::Instruction& insn)
{
auto data = insn.modrm().read16(*this, insn);
- insn.modrm().write16(*this, insn, sar_impl(data, 1));
+ insn.modrm().write16(*this, insn, op_sar(*this, data, 1));
}
void SoftCPU::SAR_RM16_CL(const X86::Instruction& insn)
{
auto data = insn.modrm().read16(*this, insn);
- insn.modrm().write16(*this, insn, sar_impl(data, cl()));
+ insn.modrm().write16(*this, insn, op_sar(*this, data, cl()));
}
void SoftCPU::SAR_RM16_imm8(const X86::Instruction& insn)
{
auto data = insn.modrm().read16(*this, insn);
- insn.modrm().write16(*this, insn, sar_impl(data, insn.imm8()));
+ insn.modrm().write16(*this, insn, op_sar(*this, data, insn.imm8()));
}
void SoftCPU::SAR_RM32_1(const X86::Instruction& insn)
{
auto data = insn.modrm().read32(*this, insn);
- insn.modrm().write32(*this, insn, sar_impl(data, 1));
+ insn.modrm().write32(*this, insn, op_sar(*this, data, 1));
}
void SoftCPU::SAR_RM32_CL(const X86::Instruction& insn)
{
auto data = insn.modrm().read32(*this, insn);
- insn.modrm().write32(*this, insn, sar_impl(data, cl()));
+ insn.modrm().write32(*this, insn, op_sar(*this, data, cl()));
}
void SoftCPU::SAR_RM32_imm8(const X86::Instruction& insn)
{
auto data = insn.modrm().read32(*this, insn);
- insn.modrm().write32(*this, insn, sar_impl(data, insn.imm8()));
+ insn.modrm().write32(*this, insn, op_sar(*this, data, insn.imm8()));
}
void SoftCPU::SAR_RM8_1(const X86::Instruction& insn)
{
auto data = insn.modrm().read8(*this, insn);
- insn.modrm().write8(*this, insn, sar_impl(data, 1));
+ insn.modrm().write8(*this, insn, op_sar(*this, data, 1));
}
void SoftCPU::SAR_RM8_CL(const X86::Instruction& insn)
{
auto data = insn.modrm().read8(*this, insn);
- insn.modrm().write8(*this, insn, sar_impl(data, cl()));
+ insn.modrm().write8(*this, insn, op_sar(*this, data, cl()));
}
void SoftCPU::SAR_RM8_imm8(const X86::Instruction& insn)
{
auto data = insn.modrm().read8(*this, insn);
- insn.modrm().write8(*this, insn, sar_impl(data, insn.imm8()));
+ insn.modrm().write8(*this, insn, op_sar(*this, data, insn.imm8()));
}
void SoftCPU::SBB_AL_imm8(const X86::Instruction&) { TODO(); }
diff --git a/DevTools/UserspaceEmulator/SoftCPU.h b/DevTools/UserspaceEmulator/SoftCPU.h
index 18b3801c07..39c1ccfa06 100644
--- a/DevTools/UserspaceEmulator/SoftCPU.h
+++ b/DevTools/UserspaceEmulator/SoftCPU.h
@@ -767,11 +767,6 @@ private:
template<bool update_dest, typename Op>
void generic_reg8_RM8(Op, const X86::Instruction&);
- template<typename T>
- T sar_impl(T data, u8 steps);
- template<typename T>
- T inc_impl(T);
-
private:
Emulator& m_emulator;