1 // Copyright (c) 2012- PPSSPP Project.
2 
3 // This program is free software: you can redistribute it and/or modify
4 // it under the terms of the GNU General Public License as published by
5 // the Free Software Foundation, version 2.0 or later versions.
6 
7 // This program is distributed in the hope that it will be useful,
8 // but WITHOUT ANY WARRANTY; without even the implied warranty of
9 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
10 // GNU General Public License 2.0 for more details.
11 
12 // A copy of the GPL 2.0 should have been included with the program.
13 // If not, see http://www.gnu.org/licenses/
14 
15 // Official git repository and contact information can be found at
16 // https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
17 
18 #pragma once
19 
20 #include "Common/MipsEmitter.h"
21 using namespace MIPSGen;
22 
23 #include "Core/MIPS/JitCommon/JitCommon.h"
24 #include "Core/MIPS/JitCommon/JitState.h"
25 #include "Core/MIPS/JitCommon/JitBlockCache.h"
26 #include "../MIPSVFPUUtils.h"
27 
28 #ifndef offsetof
29 #include "stddef.h"
30 #endif
31 
32 namespace MIPSComp
33 {
34 
35 class MipsJit : public MIPSGen::MIPSCodeBlock, public JitInterface, public MIPSFrontendInterface
36 {
37 public:
38 	MipsJit(MIPSState *mipsState);
39 
40 	void DoState(PointerWrap &p) override;
41 
42 	// Compiled ops should ignore delay slots
43 	// the compiler will take care of them by itself
44 	// OR NOT
45 	void Comp_Generic(MIPSOpcode op) override;
46 
47 	void RunLoopUntil(u64 globalticks) override;
48 
49 	void Compile(u32 em_address) override;	// Compiles a block at current MIPS PC
50 	const u8 *DoJit(u32 em_address, JitBlock *b);
51 
GetCrashHandler()52 	const u8 *GetCrashHandler() const override { return nullptr; }
CodeInRange(const u8 * ptr)53 	bool CodeInRange(const u8 *ptr) const override { return IsInSpace(ptr); }
54 	bool DescribeCodePtr(const u8 *ptr, std::string &name);
55 
56 	void CompileDelaySlot(int flags);
57 	void EatInstruction(MIPSOpcode op);
58 	void AddContinuedBlock(u32 dest);
59 
60 	void Comp_RunBlock(MIPSOpcode op) override;
61 	void Comp_ReplacementFunc(MIPSOpcode op) override;
62 
63 	// Ops
Comp_ITypeMem(MIPSOpcode op)64 	void Comp_ITypeMem(MIPSOpcode op) override {}
Comp_Cache(MIPSOpcode op)65 	void Comp_Cache(MIPSOpcode op) override {}
66 
Comp_RelBranch(MIPSOpcode op)67 	void Comp_RelBranch(MIPSOpcode op) override {}
Comp_RelBranchRI(MIPSOpcode op)68 	void Comp_RelBranchRI(MIPSOpcode op) override {}
Comp_FPUBranch(MIPSOpcode op)69 	void Comp_FPUBranch(MIPSOpcode op) override {}
Comp_FPULS(MIPSOpcode op)70 	void Comp_FPULS(MIPSOpcode op) override {}
Comp_FPUComp(MIPSOpcode op)71 	void Comp_FPUComp(MIPSOpcode op) override {}
Comp_Jump(MIPSOpcode op)72 	void Comp_Jump(MIPSOpcode op) override {}
Comp_JumpReg(MIPSOpcode op)73 	void Comp_JumpReg(MIPSOpcode op) override {}
Comp_Syscall(MIPSOpcode op)74 	void Comp_Syscall(MIPSOpcode op) override {}
Comp_Break(MIPSOpcode op)75 	void Comp_Break(MIPSOpcode op) override {}
76 
Comp_IType(MIPSOpcode op)77 	void Comp_IType(MIPSOpcode op) override {}
Comp_RType2(MIPSOpcode op)78 	void Comp_RType2(MIPSOpcode op) override {}
Comp_RType3(MIPSOpcode op)79 	void Comp_RType3(MIPSOpcode op) override {}
Comp_ShiftType(MIPSOpcode op)80 	void Comp_ShiftType(MIPSOpcode op) override {}
Comp_Allegrex(MIPSOpcode op)81 	void Comp_Allegrex(MIPSOpcode op) override {}
Comp_Allegrex2(MIPSOpcode op)82 	void Comp_Allegrex2(MIPSOpcode op) override {}
Comp_VBranch(MIPSOpcode op)83 	void Comp_VBranch(MIPSOpcode op) override {}
Comp_MulDivType(MIPSOpcode op)84 	void Comp_MulDivType(MIPSOpcode op) override {}
Comp_Special3(MIPSOpcode op)85 	void Comp_Special3(MIPSOpcode op) override {}
86 
Comp_FPU3op(MIPSOpcode op)87 	void Comp_FPU3op(MIPSOpcode op) override {}
Comp_FPU2op(MIPSOpcode op)88 	void Comp_FPU2op(MIPSOpcode op) override {}
Comp_mxc1(MIPSOpcode op)89 	void Comp_mxc1(MIPSOpcode op) override {}
90 
Comp_DoNothing(MIPSOpcode op)91 	void Comp_DoNothing(MIPSOpcode op) override {}
92 
Comp_SV(MIPSOpcode op)93 	void Comp_SV(MIPSOpcode op) override {}
Comp_SVQ(MIPSOpcode op)94 	void Comp_SVQ(MIPSOpcode op) override {}
Comp_VPFX(MIPSOpcode op)95 	void Comp_VPFX(MIPSOpcode op) override {}
Comp_VVectorInit(MIPSOpcode op)96 	void Comp_VVectorInit(MIPSOpcode op) override {}
Comp_VMatrixInit(MIPSOpcode op)97 	void Comp_VMatrixInit(MIPSOpcode op) override {}
Comp_VDot(MIPSOpcode op)98 	void Comp_VDot(MIPSOpcode op) override {}
Comp_VecDo3(MIPSOpcode op)99 	void Comp_VecDo3(MIPSOpcode op) override {}
Comp_VV2Op(MIPSOpcode op)100 	void Comp_VV2Op(MIPSOpcode op) override {}
Comp_Mftv(MIPSOpcode op)101 	void Comp_Mftv(MIPSOpcode op) override {}
Comp_Vmfvc(MIPSOpcode op)102 	void Comp_Vmfvc(MIPSOpcode op) override {}
Comp_Vmtvc(MIPSOpcode op)103 	void Comp_Vmtvc(MIPSOpcode op) override {}
Comp_Vmmov(MIPSOpcode op)104 	void Comp_Vmmov(MIPSOpcode op) override {}
Comp_VScl(MIPSOpcode op)105 	void Comp_VScl(MIPSOpcode op) override {}
Comp_Vmmul(MIPSOpcode op)106 	void Comp_Vmmul(MIPSOpcode op) override {}
Comp_Vmscl(MIPSOpcode op)107 	void Comp_Vmscl(MIPSOpcode op) override {}
Comp_Vtfm(MIPSOpcode op)108 	void Comp_Vtfm(MIPSOpcode op) override {}
Comp_VHdp(MIPSOpcode op)109 	void Comp_VHdp(MIPSOpcode op) override {}
Comp_VCrs(MIPSOpcode op)110 	void Comp_VCrs(MIPSOpcode op) override {}
Comp_VDet(MIPSOpcode op)111 	void Comp_VDet(MIPSOpcode op) override {}
Comp_Vi2x(MIPSOpcode op)112 	void Comp_Vi2x(MIPSOpcode op) override {}
Comp_Vx2i(MIPSOpcode op)113 	void Comp_Vx2i(MIPSOpcode op) override {}
Comp_Vf2i(MIPSOpcode op)114 	void Comp_Vf2i(MIPSOpcode op) override {}
Comp_Vi2f(MIPSOpcode op)115 	void Comp_Vi2f(MIPSOpcode op) override {}
Comp_Vh2f(MIPSOpcode op)116 	void Comp_Vh2f(MIPSOpcode op) override {}
Comp_Vcst(MIPSOpcode op)117 	void Comp_Vcst(MIPSOpcode op) override {}
Comp_Vhoriz(MIPSOpcode op)118 	void Comp_Vhoriz(MIPSOpcode op) override {}
Comp_VRot(MIPSOpcode op)119 	void Comp_VRot(MIPSOpcode op) override {}
Comp_VIdt(MIPSOpcode op)120 	void Comp_VIdt(MIPSOpcode op) override {}
Comp_Vcmp(MIPSOpcode op)121 	void Comp_Vcmp(MIPSOpcode op) override {}
Comp_Vcmov(MIPSOpcode op)122 	void Comp_Vcmov(MIPSOpcode op) override {}
Comp_Viim(MIPSOpcode op)123 	void Comp_Viim(MIPSOpcode op) override {}
Comp_Vfim(MIPSOpcode op)124 	void Comp_Vfim(MIPSOpcode op) override {}
Comp_VCrossQuat(MIPSOpcode op)125 	void Comp_VCrossQuat(MIPSOpcode op) override {}
Comp_Vsgn(MIPSOpcode op)126 	void Comp_Vsgn(MIPSOpcode op) override {}
Comp_Vocp(MIPSOpcode op)127 	void Comp_Vocp(MIPSOpcode op) override {}
Comp_ColorConv(MIPSOpcode op)128 	void Comp_ColorConv(MIPSOpcode op) override {}
Replace_fabsf()129 	int Replace_fabsf() override { return 0; }
130 
Comp_Vbfy(MIPSOpcode op)131 	void Comp_Vbfy(MIPSOpcode op) {}
132 
GetBlockCache()133 	JitBlockCache *GetBlockCache() override { return &blocks; }
GetBlockCacheDebugInterface()134 	JitBlockCacheDebugInterface *GetBlockCacheDebugInterface() override { return &blocks; }
135 
136 	MIPSOpcode GetOriginalOp(MIPSOpcode op) override;
137 
SaveAndClearEmuHackOps()138 	std::vector<u32> SaveAndClearEmuHackOps() override { return blocks.SaveAndClearEmuHackOps(); }
RestoreSavedEmuHackOps(std::vector<u32> saved)139 	void RestoreSavedEmuHackOps(std::vector<u32> saved) override { blocks.RestoreSavedEmuHackOps(saved); }
140 
141 	void ClearCache() override;
142 	void InvalidateCacheAt(u32 em_address, int length = 4) override;
143 	void UpdateFCR31() override;
144 
GetDispatcher()145 	const u8 *GetDispatcher() const override {
146 		return dispatcher;
147 	}
148 
149 	void LinkBlock(u8 *exitPoint, const u8 *checkedEntry) override;
150 	void UnlinkBlock(u8 *checkedEntry, u32 originalAddress) override;
151 
EatPrefix()152 	void EatPrefix() override { js.EatPrefix(); }
153 
154 private:
155 	void GenerateFixedCode();
156 	void FlushAll();
157 	void FlushPrefixV();
158 
159 	void WriteDownCount(int offset = 0);
160 	void WriteDownCountR(MIPSReg reg);
161 	void RestoreRoundingMode(bool force = false);
162 	void ApplyRoundingMode(bool force = false);
163 	void UpdateRoundingMode();
164 	void MovFromPC(MIPSReg r);
165 	void MovToPC(MIPSReg r);
166 
167 	bool ReplaceJalTo(u32 dest);
168 
169 	void SaveDowncount();
170 	void RestoreDowncount();
171 
172 	void WriteExit(u32 destination, int exit_num);
173 	void WriteExitDestInR(MIPSReg Reg);
174 	void WriteSyscallExit();
175 
176 	JitBlockCache blocks;
177 	JitOptions jo;
178 	JitState js;
179 
180 	MIPSState *mips_;
181 
182 	int dontLogBlocks;
183 	int logBlocks;
184 
185 public:
186 	// Code pointers
187 	const u8 *enterCode;
188 
189 	const u8 *outerLoop;
190 	const u8 *outerLoopPCInR0;
191 	const u8 *dispatcherCheckCoreState;
192 	const u8 *dispatcherPCInR0;
193 	const u8 *dispatcher;
194 	const u8 *dispatcherNoCheck;
195 };
196 
197 }	// namespace MIPSComp
198 
199