73 lines
2.6 KiB
C++
73 lines
2.6 KiB
C++
/* This file is part of the dynarmic project.
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* Copyright (c) 2016 MerryMage
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* This software may be used and distributed according to the terms of the GNU
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* General Public License version 2 or any later version.
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*/
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#pragma once
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#include <set>
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#include <unordered_map>
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#include "backend_x64/reg_alloc.h"
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#include "backend_x64/routines.h"
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#include "common/x64/emitter.h"
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#include "frontend/ir/ir.h"
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#include "interface/interface.h"
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namespace Dynarmic {
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namespace BackendX64 {
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class EmitX64 final {
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public:
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EmitX64(Gen::XEmitter* code, Routines* routines, UserCallbacks cb, Jit* jit_interface)
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: reg_alloc(code), code(code), routines(routines), cb(cb), jit_interface(jit_interface) {}
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struct BlockDescriptor {
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CodePtr code_ptr;
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size_t size;
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};
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BlockDescriptor* Emit(const Arm::LocationDescriptor descriptor, IR::Block& ir);
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BlockDescriptor* GetBasicBlock(Arm::LocationDescriptor descriptor) {
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auto iter = basic_blocks.find(descriptor);
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return iter != basic_blocks.end() ? &iter->second : nullptr;
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}
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void ClearCache();
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private:
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// Microinstruction emitters
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#define OPCODE(name, type, ...) void Emit##name(IR::Block& block, IR::Inst* inst);
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#include "frontend/ir/opcodes.inc"
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#undef OPCODE
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// Helpers
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void EmitAddCycles(size_t cycles);
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void EmitCondPrelude(Arm::Cond cond,
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boost::optional<Arm::LocationDescriptor> cond_failed,
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Arm::LocationDescriptor current_location);
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// Terminal instruction emitters
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void EmitTerminal(IR::Terminal terminal, Arm::LocationDescriptor initial_location);
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void EmitTerminalInterpret(IR::Term::Interpret terminal, Arm::LocationDescriptor initial_location);
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void EmitTerminalReturnToDispatch(IR::Term::ReturnToDispatch terminal, Arm::LocationDescriptor initial_location);
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void EmitTerminalLinkBlock(IR::Term::LinkBlock terminal, Arm::LocationDescriptor initial_location);
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void EmitTerminalLinkBlockFast(IR::Term::LinkBlockFast terminal, Arm::LocationDescriptor initial_location);
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void EmitTerminalPopRSBHint(IR::Term::PopRSBHint terminal, Arm::LocationDescriptor initial_location);
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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;
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RegAlloc reg_alloc;
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// State
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Gen::XEmitter* code;
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Routines* routines;
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UserCallbacks cb;
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Jit* jit_interface;
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std::unordered_map<Arm::LocationDescriptor, BlockDescriptor, Arm::LocationDescriptorHash> basic_blocks;
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};
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} // namespace BackendX64
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} // namespace Dynarmic
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