dolphin/Source/Core/Core/PowerPC/JitInterface.h

104 lines
3.2 KiB
C++

// Copyright 2008 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <cstddef>
#include <cstdio>
#include <functional>
#include <iosfwd>
#include <memory>
#include <string_view>
#include <utility>
#include <vector>
#include "Common/CommonTypes.h"
#include "Core/MachineContext.h"
class CPUCoreBase;
class PointerWrap;
class JitBase;
struct JitBlock;
namespace Core
{
class CPUThreadGuard;
class System;
} // namespace Core
namespace PowerPC
{
enum class CPUCore;
}
class JitInterface
{
public:
explicit JitInterface(Core::System& system);
JitInterface(const JitInterface&) = delete;
JitInterface(JitInterface&&) = delete;
JitInterface& operator=(const JitInterface&) = delete;
JitInterface& operator=(JitInterface&&) = delete;
~JitInterface();
void DoState(PointerWrap& p);
CPUCoreBase* InitJitCore(PowerPC::CPUCore core);
CPUCoreBase* GetCore() const;
void UpdateMembase();
void JitBlockLogDump(const Core::CPUThreadGuard& guard, std::FILE* file) const;
void WipeBlockProfilingData(const Core::CPUThreadGuard& guard);
void RunOnBlocks(const Core::CPUThreadGuard& guard, std::function<void(const JitBlock&)> f) const;
std::size_t GetBlockCount() const;
// Memory Utilities
bool HandleFault(uintptr_t access_address, SContext* ctx);
bool HandleStackFault();
// Clearing CodeCache
void ClearCache(const Core::CPUThreadGuard& guard);
// This clear is "safe" in the sense that it's okay to run from
// inside a JIT'ed block: it clears the instruction cache, but not
// the JIT'ed code.
void ClearSafe();
// DolphinQt's JITWidget needs EraseSingleBlock. Nothing else (from outside of the Core) should
// use it, or else JitBlockTableModel will contain a dangling reference. If something else from
// outside of the Core *must* use this, consider reworking the logic in JITWidget.
void EraseSingleBlock(const JitBlock& block);
// Memory region name, free size, and fragmentation ratio
using MemoryStats = std::pair<std::string_view, std::pair<std::size_t, double>>;
std::vector<MemoryStats> GetMemoryStats() const;
// Disassemble the recompiled code from a JIT block. Returns the disassembled instruction count.
std::size_t DisassembleNearCode(const JitBlock& block, std::ostream& stream) const;
std::size_t DisassembleFarCode(const JitBlock& block, std::ostream& stream) const;
// If "forced" is true, a recompile is being requested on code that hasn't been modified.
void InvalidateICache(u32 address, u32 size, bool forced);
void InvalidateICacheLine(u32 address);
void InvalidateICacheLines(u32 address, u32 count);
static void InvalidateICacheLineFromJIT(JitInterface& jit_interface, u32 address);
static void InvalidateICacheLinesFromJIT(JitInterface& jit_interface, u32 address, u32 count);
enum class ExceptionType
{
FIFOWrite,
PairedQuantize,
SpeculativeConstants
};
void CompileExceptionCheck(ExceptionType type);
static void CompileExceptionCheckFromJIT(JitInterface& jit_interface, ExceptionType type);
/// used for the page fault unit test, don't use outside of tests!
void SetJit(std::unique_ptr<JitBase> jit);
void Shutdown();
private:
std::unique_ptr<JitBase> m_jit;
Core::System& m_system;
};