mirror of
https://github.com/hrydgard/ppsspp.git
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135 lines
3.3 KiB
C++
135 lines
3.3 KiB
C++
// 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 "../../../Globals.h"
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#include "Asm.h"
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#if defined(ARM)
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#error DO NOT BUILD X86 JIT ON ARM
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#endif
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#include "x64Emitter.h"
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#include "JitCache.h"
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#include "RegCache.h"
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namespace MIPSComp
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{
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struct JitOptions
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{
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JitOptions()
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{
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enableBlocklink = false;
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}
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bool enableBlocklink;
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};
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struct JitState
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{
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u32 compilerPC;
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u32 blockStart;
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bool cancel;
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bool inDelaySlot;
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int downcountAmount;
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bool compiling; // TODO: get rid of this in favor of using analysis results to determine end of block
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JitBlock *curBlock;
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};
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class Jit : public Gen::XCodeBlock
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{
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public:
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Jit(MIPSState *mips);
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// Compiled ops should ignore delay slots
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// the compiler will take care of them by itself
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// OR NOT
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void Comp_Generic(u32 op);
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void RunLoopUntil(u64 globalticks);
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void Compile(u32 em_address); // Compiles a block at current MIPS PC
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const u8 *DoJit(u32 em_address, JitBlock *b);
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void CompileAt(u32 addr);
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void Comp_RunBlock(u32 op);
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// Ops
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void Comp_ITypeMem(u32 op);
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void Comp_RelBranch(u32 op);
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void Comp_RelBranchRI(u32 op);
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void Comp_FPUBranch(u32 op);
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void Comp_FPULS(u32 op);
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void Comp_Jump(u32 op);
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void Comp_JumpReg(u32 op);
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void Comp_Syscall(u32 op);
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void Comp_IType(u32 op);
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void Comp_RType3(u32 op);
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void Comp_ShiftType(u32 op);
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void Comp_Allegrex(u32 op);
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void Comp_VBranch(u32 op);
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void Comp_FPU3op(u32 op);
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void Comp_FPU2op(u32 op);
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void Comp_mxc1(u32 op);
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JitBlockCache *GetBlockCache() { return &blocks; }
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AsmRoutineManager &Asm() { return asm_; }
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private:
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void ClearCache();
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void FlushAll();
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void WriteExit(u32 destination, int exit_num);
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void WriteExitDestInEAX();
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// void WriteRfiExitDestInEAX();
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void WriteSyscallExit();
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// Utility compilation functions
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void BranchFPFlag(u32 op, Gen::CCFlags cc, bool likely);
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void BranchVFPUFlag(u32 op, Gen::CCFlags cc, bool likely);
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void BranchRSZeroComp(u32 op, Gen::CCFlags cc, bool likely);
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void BranchRSRTComp(u32 op, Gen::CCFlags cc, bool likely);
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// Utilities to reduce duplicated code
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void CompImmLogic(u32 op, void (XEmitter::*arith)(int, const OpArg &, const OpArg &));
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void CompTriArith(u32 op, void (XEmitter::*arith)(int, const OpArg &, const OpArg &));
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void CompShiftImm(u32 op, void (XEmitter::*shift)(int, OpArg, OpArg));
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void CompShiftVar(u32 op, void (XEmitter::*shift)(int, OpArg, OpArg));
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void CompFPTriArith(u32 op, void (XEmitter::*arith)(X64Reg reg, OpArg), bool orderMatters);
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JitBlockCache blocks;
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JitOptions jo;
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JitState js;
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GPRRegCache gpr;
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FPURegCache fpr;
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AsmRoutineManager asm_;
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MIPSState *mips_;
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};
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typedef void (Jit::*MIPSCompileFunc)(u32 opcode);
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} // namespace MIPSComp
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