CoCalc -- JitCommon.h

GitHub Repository: hrydgard/ppsspp
Path: blob/master/Core/MIPS/JitCommon/JitCommon.h
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// Copyright (c) 2012- PPSSPP Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0 or later versions.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official git repository and contact information can be found at
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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
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#pragma once
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#include <mutex>
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#include <string>
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#include <vector>
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#include "Common/CommonTypes.h"
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#include "Core/MIPS/MIPS.h"
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// TODO: Find a better place for these.
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std::vector<std::string> DisassembleArm2(const u8 *data, int size);
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std::vector<std::string> DisassembleArm64(const u8 *data, int size);
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std::vector<std::string> DisassembleX86(const u8 *data, int size);
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std::vector<std::string> DisassembleRV64(const u8 *data, int size);
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std::vector<std::string> DisassembleLA64(const u8 *data, int size);
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struct JitBlock;
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class JitBlockCache;
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class JitBlockCacheDebugInterface;
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class PointerWrap;
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#ifdef USING_QT_UI
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#undef emit
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#endif
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class MIPSState;
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namespace MIPSComp {
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	void JitAt();
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	class MIPSFrontendInterface {
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	public:
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		virtual ~MIPSFrontendInterface() {}
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		virtual void EatPrefix() = 0;
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		virtual void Comp_Generic(MIPSOpcode op) = 0;
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		virtual void Comp_RunBlock(MIPSOpcode op) = 0;
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		virtual void Comp_ReplacementFunc(MIPSOpcode op) = 0;
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		virtual void Comp_ITypeMem(MIPSOpcode op) = 0;
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		virtual void Comp_StoreSync(MIPSOpcode op) = 0;
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		virtual void Comp_Cache(MIPSOpcode op) = 0;
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		virtual void Comp_RelBranch(MIPSOpcode op) = 0;
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		virtual void Comp_RelBranchRI(MIPSOpcode op) = 0;
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		virtual void Comp_FPUBranch(MIPSOpcode op) = 0;
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		virtual void Comp_FPULS(MIPSOpcode op) = 0;
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		virtual void Comp_FPUComp(MIPSOpcode op) = 0;
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		virtual void Comp_Jump(MIPSOpcode op) = 0;
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		virtual void Comp_JumpReg(MIPSOpcode op) = 0;
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		virtual void Comp_Syscall(MIPSOpcode op) = 0;
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		virtual void Comp_Break(MIPSOpcode op) = 0;
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		virtual void Comp_IType(MIPSOpcode op) = 0;
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		virtual void Comp_RType2(MIPSOpcode op) = 0;
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		virtual void Comp_RType3(MIPSOpcode op) = 0;
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		virtual void Comp_ShiftType(MIPSOpcode op) = 0;
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		virtual void Comp_Allegrex(MIPSOpcode op) = 0;
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		virtual void Comp_Allegrex2(MIPSOpcode op) = 0;
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		virtual void Comp_VBranch(MIPSOpcode op) = 0;
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		virtual void Comp_MulDivType(MIPSOpcode op) = 0;
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		virtual void Comp_Special3(MIPSOpcode op) = 0;
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		virtual void Comp_FPU3op(MIPSOpcode op) = 0;
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		virtual void Comp_FPU2op(MIPSOpcode op) = 0;
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		virtual void Comp_mxc1(MIPSOpcode op) = 0;
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		virtual void Comp_SV(MIPSOpcode op) = 0;
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		virtual void Comp_SVQ(MIPSOpcode op) = 0;
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		virtual void Comp_VPFX(MIPSOpcode op) = 0;
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		virtual void Comp_VVectorInit(MIPSOpcode op) = 0;
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		virtual void Comp_VMatrixInit(MIPSOpcode op) = 0;
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		virtual void Comp_VDot(MIPSOpcode op) = 0;
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		virtual void Comp_VecDo3(MIPSOpcode op) = 0;
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		virtual void Comp_VV2Op(MIPSOpcode op) = 0;
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		virtual void Comp_Mftv(MIPSOpcode op) = 0;
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		virtual void Comp_Vmfvc(MIPSOpcode op) = 0;
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		virtual void Comp_Vmtvc(MIPSOpcode op) = 0;
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		virtual void Comp_Vmmov(MIPSOpcode op) = 0;
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		virtual void Comp_VScl(MIPSOpcode op) = 0;
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		virtual void Comp_Vmmul(MIPSOpcode op) = 0;
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		virtual void Comp_Vmscl(MIPSOpcode op) = 0;
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		virtual void Comp_Vtfm(MIPSOpcode op) = 0;
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		virtual void Comp_VHdp(MIPSOpcode op) = 0;
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		virtual void Comp_VCrs(MIPSOpcode op) = 0;
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		virtual void Comp_VDet(MIPSOpcode op) = 0;
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		virtual void Comp_Vi2x(MIPSOpcode op) = 0;
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		virtual void Comp_Vx2i(MIPSOpcode op) = 0;
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		virtual void Comp_Vf2i(MIPSOpcode op) = 0;
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		virtual void Comp_Vi2f(MIPSOpcode op) = 0;
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		virtual void Comp_Vh2f(MIPSOpcode op) = 0;
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		virtual void Comp_Vcst(MIPSOpcode op) = 0;
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		virtual void Comp_Vhoriz(MIPSOpcode op) = 0;
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		virtual void Comp_VRot(MIPSOpcode op) = 0;
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		virtual void Comp_VIdt(MIPSOpcode op) = 0;
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		virtual void Comp_Vcmp(MIPSOpcode op) = 0;
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		virtual void Comp_Vcmov(MIPSOpcode op) = 0;
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		virtual void Comp_Viim(MIPSOpcode op) = 0;
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		virtual void Comp_Vfim(MIPSOpcode op) = 0;
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		virtual void Comp_VCrossQuat(MIPSOpcode op) = 0;
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		virtual void Comp_Vsgn(MIPSOpcode op) = 0;
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		virtual void Comp_Vocp(MIPSOpcode op) = 0;
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		virtual void Comp_ColorConv(MIPSOpcode op) = 0;
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		virtual void Comp_Vbfy(MIPSOpcode op) = 0;
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		virtual void Comp_DoNothing(MIPSOpcode op) = 0;
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		virtual int Replace_fabsf() = 0;
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	};
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	class JitInterface {
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	public:
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		virtual ~JitInterface() {}
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		virtual bool CodeInRange(const u8 *ptr) const = 0;
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		virtual bool DescribeCodePtr(const u8 *ptr, std::string &name) = 0;
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		virtual bool IsAtDispatchFetch(const u8 *ptr) const {
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			return false;
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		}
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		virtual const u8 *GetDispatcher() const = 0;
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		virtual const u8 *GetCrashHandler() const = 0;
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		virtual JitBlockCache *GetBlockCache() = 0;
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		virtual JitBlockCacheDebugInterface *GetBlockCacheDebugInterface() = 0;
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		virtual void InvalidateCacheAt(u32 em_address, int length = 4) = 0;
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		virtual void DoState(PointerWrap &p) = 0;
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		virtual void RunLoopUntil(u64 globalticks) = 0;
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		virtual void Compile(u32 em_address) = 0;
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		virtual void ClearCache() = 0;
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		virtual void UpdateFCR31() = 0;
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		virtual MIPSOpcode GetOriginalOp(MIPSOpcode op) = 0;
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		// No jit operations may be run between these calls.
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		// Meant to be used to make memory safe for savestates, memcpy, etc.
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		virtual std::vector<u32> SaveAndClearEmuHackOps() = 0;
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		virtual void RestoreSavedEmuHackOps(std::vector<u32> saved) = 0;
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		// Block linking. This may need to work differently for whole-function JITs and stuff
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		// like that.
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		virtual void LinkBlock(u8 *exitPoint, const u8 *entryPoint) = 0;
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		virtual void UnlinkBlock(u8 *checkedEntry, u32 originalAddress) = 0;
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	};
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	typedef void (MIPSFrontendInterface::*MIPSCompileFunc)(MIPSOpcode opcode);
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	typedef int (MIPSFrontendInterface::*MIPSReplaceFunc)();
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	struct BranchInfo {
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		BranchInfo(u32 pc, MIPSOpcode op, MIPSOpcode delaySlotOp, bool andLink, bool likely);
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		u32 compilerPC;
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		MIPSOpcode op;
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		MIPSOpcode delaySlotOp;
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		u64 delaySlotInfo;
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		bool likely;
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		bool andLink;
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		// Update manually if it's not always nice (rs/rt, rs/zero, etc.)
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		bool delaySlotIsNice = true;
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		bool delaySlotIsBranch;
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	};
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	// This seems to be the same for all branch types.
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	u32 ResolveNotTakenTarget(const BranchInfo &branchInfo);
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	extern JitInterface *jit;
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	extern std::recursive_mutex jitLock;
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	void DoDummyJitState(PointerWrap &p);
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	JitInterface *CreateNativeJit(MIPSState *mipsState, bool useIR);
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}
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