mirror of
https://github.com/DaedalusX64/daedalus.git
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133 lines
2.7 KiB
C++
133 lines
2.7 KiB
C++
/*
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Copyright (C) 2006 StrmnNrmn
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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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 for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#pragma once
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#ifndef DYNAREC_STATICANALYSIS_H_
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#define DYNAREC_STATICANALYSIS_H_
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#include "Core/Memory.h"
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#include "DynaRec/BranchType.h"
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struct OpCode;
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namespace StaticAnalysis
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{
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/*enum MemAcess
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{
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Segment_Unknown = 0,
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Segment_8000 = 1,
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Segment_A000 = 2
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};*/
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struct RegSrcUse
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{
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explicit RegSrcUse( u32 r ) : Reg( r ) {}
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u32 Reg;
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};
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struct RegDstUse
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{
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explicit RegDstUse( u32 r ) : Reg( r ) {}
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u32 Reg;
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};
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struct RegBaseUse
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{
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explicit RegBaseUse( u32 r ) : Reg( r ) {}
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u32 Reg;
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};
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struct RegisterUsage
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{
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u32 RegReads;
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u32 RegWrites;
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u32 RegBase;
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ER4300BranchType BranchType;
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bool Access8000;
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RegisterUsage()
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: RegReads( 0 )
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, RegWrites( 0 )
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, RegBase( 0 )
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, BranchType( BT_NOT_BRANCH )
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, Access8000( false )
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{
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}
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// Ignore floating point for now
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inline void Record( RegDstUse d, RegSrcUse s, RegSrcUse t )
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{
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RegWrites = (1<<d.Reg);
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RegReads = (1<<s.Reg) | (1<<t.Reg);
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}
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void Record( RegDstUse d, RegSrcUse s )
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{
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RegWrites = (1<<d.Reg);
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RegReads = (1<<s.Reg);
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}
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inline void Record( RegSrcUse s, RegSrcUse t )
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{
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RegReads = (1<<s.Reg) | (1<<t.Reg);
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}
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inline void Record( RegSrcUse s )
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{
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RegReads = (1<<s.Reg);
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}
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inline void Record( RegDstUse d )
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{
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RegWrites = (1<<d.Reg);
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}
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inline void Record( RegBaseUse b, RegDstUse d )
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{
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RegWrites = (1<<d.Reg);
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RegBase = (1<<b.Reg);
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}
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inline void Record( RegBaseUse b, RegSrcUse s )
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{
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RegReads = (1<<s.Reg);
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RegBase = (1<<b.Reg);
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}
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inline void Record( RegBaseUse b )
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{
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RegBase = (1<<b.Reg);
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}
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inline void BranchOP(ER4300BranchType type)
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{
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BranchType = type;
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}
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inline void Access(u32 address)
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{
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Access8000 = ((address >> 23) == 0x100);
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#ifdef DAEDALUS_ENABLE_ASSERTS
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DAEDALUS_ASSERT((address >= 0x80000000 && address < 0x80000000 + gRamSize) == Access8000, "Access8000 is inconsistent");
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#endif
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}
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};
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void Analyse( OpCode op_code, RegisterUsage & reg_usage );
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}
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#endif // DYNAREC_STATICANALYSIS_H_
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