dynarmic/src/backend_x64/emit_x64.h

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/* This file is part of the dynarmic project.
* Copyright (c) 2016 MerryMage
* This software may be used and distributed according to the terms of the GNU
* General Public License version 2 or any later version.
*/
#pragma once
#include <set>
#include <unordered_map>
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#include "backend_x64/reg_alloc.h"
#include "backend_x64/routines.h"
#include "common/x64/emitter.h"
#include "frontend/ir/ir.h"
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#include "interface/interface.h"
namespace Dynarmic {
namespace BackendX64 {
class EmitX64 final {
public:
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EmitX64(Gen::XEmitter* code, Routines* routines, UserCallbacks cb, Jit* jit_interface)
: reg_alloc(code), code(code), routines(routines), cb(cb), jit_interface(jit_interface) {}
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CodePtr Emit(const Arm::LocationDescriptor descriptor, IR::Block& ir);
CodePtr GetBasicBlock(Arm::LocationDescriptor descriptor) {
auto iter = basic_blocks.find(descriptor);
return iter != basic_blocks.end() ? iter->second : nullptr;
}
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void ClearCache();
private:
// Microinstruction emitters
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void EmitGetRegister(IR::Block& block, IR::Inst* inst);
void EmitSetRegister(IR::Block& block, IR::Inst* inst);
void EmitGetNFlag(IR::Block& block, IR::Inst* inst);
void EmitSetNFlag(IR::Block& block, IR::Inst* inst);
void EmitGetZFlag(IR::Block& block, IR::Inst* inst);
void EmitSetZFlag(IR::Block& block, IR::Inst* inst);
void EmitGetCFlag(IR::Block& block, IR::Inst* inst);
void EmitSetCFlag(IR::Block& block, IR::Inst* inst);
void EmitGetVFlag(IR::Block& block, IR::Inst* inst);
void EmitSetVFlag(IR::Block& block, IR::Inst* inst);
void EmitBXWritePC(IR::Block& block, IR::Inst* inst);
void EmitCallSupervisor(IR::Block& block, IR::Inst* inst);
void EmitGetCarryFromOp(IR::Block& block, IR::Inst* inst);
void EmitGetOverflowFromOp(IR::Block& block, IR::Inst* inst);
void EmitLeastSignificantHalf(IR::Block& block, IR::Inst* inst);
void EmitLeastSignificantByte(IR::Block& block, IR::Inst* inst);
void EmitMostSignificantBit(IR::Block& block, IR::Inst* inst);
void EmitIsZero(IR::Block& block, IR::Inst* inst);
void EmitLogicalShiftLeft(IR::Block& block, IR::Inst* inst);
void EmitLogicalShiftRight(IR::Block& block, IR::Inst* inst);
void EmitArithmeticShiftRight(IR::Block& block, IR::Inst* inst);
void EmitRotateRight(IR::Block& block, IR::Inst* inst);
void EmitAddWithCarry(IR::Block& block, IR::Inst* inst);
void EmitSubWithCarry(IR::Block& block, IR::Inst* inst);
void EmitAnd(IR::Block& block, IR::Inst* inst);
void EmitEor(IR::Block& block, IR::Inst* inst);
void EmitOr(IR::Block& block, IR::Inst* inst);
void EmitNot(IR::Block& block, IR::Inst* inst);
void EmitSignExtendHalfToWord(IR::Block& block, IR::Inst* inst);
void EmitSignExtendByteToWord(IR::Block& block, IR::Inst* inst);
void EmitZeroExtendHalfToWord(IR::Block& block, IR::Inst* inst);
void EmitZeroExtendByteToWord(IR::Block& block, IR::Inst* inst);
void EmitByteReverseWord(IR::Block& block, IR::Inst* inst);
void EmitByteReverseHalf(IR::Block& block, IR::Inst* inst);
void EmitByteReverseDual(IR::Block& block, IR::Inst* inst);
void EmitReadMemory8(IR::Block& block, IR::Inst* inst);
void EmitReadMemory16(IR::Block& block, IR::Inst* inst);
void EmitReadMemory32(IR::Block& block, IR::Inst* inst);
void EmitReadMemory64(IR::Block& block, IR::Inst* inst);
void EmitWriteMemory8(IR::Block& block, IR::Inst* inst);
void EmitWriteMemory16(IR::Block& block, IR::Inst* inst);
void EmitWriteMemory32(IR::Block& block, IR::Inst* inst);
void EmitWriteMemory64(IR::Block& block, IR::Inst* inst);
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// Helpers
void EmitAddCycles(size_t cycles);
void EmitCondPrelude(Arm::Cond cond,
boost::optional<Arm::LocationDescriptor> cond_failed,
Arm::LocationDescriptor current_location);
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// Terminal instruction emitters
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void EmitTerminal(IR::Terminal terminal, Arm::LocationDescriptor initial_location);
void EmitTerminalInterpret(IR::Term::Interpret terminal, Arm::LocationDescriptor initial_location);
void EmitTerminalReturnToDispatch(IR::Term::ReturnToDispatch terminal, Arm::LocationDescriptor initial_location);
void EmitTerminalLinkBlock(IR::Term::LinkBlock terminal, Arm::LocationDescriptor initial_location);
void EmitTerminalLinkBlockFast(IR::Term::LinkBlockFast terminal, Arm::LocationDescriptor initial_location);
void EmitTerminalPopRSBHint(IR::Term::PopRSBHint terminal, Arm::LocationDescriptor initial_location);
void EmitTerminalIf(IR::Term::If terminal, Arm::LocationDescriptor initial_location);
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// Per-block state
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std::set<IR::Value*> inhibit_emission;
RegAlloc reg_alloc;
// State
Gen::XEmitter* code;
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Routines* routines;
UserCallbacks cb;
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Jit* jit_interface;
std::unordered_map<Arm::LocationDescriptor, CodePtr, Arm::LocationDescriptorHash> basic_blocks;
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};
} // namespace BackendX64
} // namespace Dynarmic