305 lines
22 KiB
C++
305 lines
22 KiB
C++
/****************************************************************************
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* *
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* Project 64 - A Nintendo 64 emulator. *
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* http://www.pj64-emu.com/ *
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* Copyright (C) 2012 Project64. All rights reserved. *
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* *
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* License: *
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* GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html *
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* *
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****************************************************************************/
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#pragma once
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class CX86Ops
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{
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public:
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enum x86Reg
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{
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x86_EAX = 0,
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x86_EBX = 3,
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x86_ECX = 1,
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x86_EDX = 2,
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x86_ESI = 6,
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x86_EDI = 7,
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x86_EBP = 5,
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x86_ESP = 4,
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x86_Any8Bit = -3,
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x86_Any = -2,
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x86_Unknown = -1,
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x86_AL = 0, x86_BL = 3, x86_CL = 1, x86_DL = 2,
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x86_AH = 4, x86_BH = 7, x86_CH = 5, x86_DH = 6
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};
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enum x86FpuValues
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{
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x86_ST_Unknown = -1,
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x86_ST0 = 0,
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x86_ST1 = 1,
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x86_ST2 = 2,
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x86_ST3 = 3,
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x86_ST4 = 4,
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x86_ST5 = 5,
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x86_ST6 = 6,
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x86_ST7 = 7
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};
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enum Multipler
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{
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Multip_x1 = 1,
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Multip_x2 = 2,
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Multip_x4 = 4,
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Multip_x8 = 8
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};
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static x86Reg x86_Registers[8];
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static const char * x86_Name ( x86Reg Reg );
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static const char * x86_ByteName ( x86Reg Reg );
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static const char * x86_HalfName ( x86Reg Reg );
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static const char * fpu_Name ( x86FpuValues Reg );
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protected:
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//Logging Functions
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static void WriteX86Comment ( const char * Comment );
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static void WriteX86Label ( const char * Label );
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static void AdcX86regToVariable ( x86Reg reg, void * Variable, const char * VariableName );
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static void AdcConstToVariable ( void *Variable, const char * VariableName, uint8_t Constant );
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static void AdcConstToX86Reg ( x86Reg Reg, uint32_t Const );
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static void AdcVariableToX86reg ( x86Reg reg, void * Variable, const char * VariableName );
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static void AdcX86RegToX86Reg ( x86Reg Destination, x86Reg Source );
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static void AddConstToVariable ( uint32_t Const, void *Variable, const char * VariableName );
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static void AddConstToX86Reg ( x86Reg Reg, uint32_t Const );
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static void AddVariableToX86reg ( x86Reg reg, void * Variable, const char * VariableName );
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static void AddX86regToVariable ( x86Reg reg, void * Variable, const char * VariableName );
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static void AddX86RegToX86Reg ( x86Reg Destination, x86Reg Source );
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static void AndConstToVariable ( uint32_t Const, void *Variable, const char * VariableName );
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static void AndConstToX86Reg ( x86Reg Reg, uint32_t Const );
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static void AndVariableToX86Reg ( void * Variable, const char * VariableName, x86Reg Reg );
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static void AndVariableDispToX86Reg ( void * Variable, const char * VariableName, x86Reg Reg, x86Reg AddrReg, Multipler Multiply);
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static void AndX86RegToX86Reg ( x86Reg Destination, x86Reg Source );
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static void X86HardBreakPoint ();
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static void X86BreakPoint ( const wchar_t * FileName, int32_t LineNumber );
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static void Call_Direct ( void * FunctAddress, const char * FunctName );
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static void Call_Indirect ( void * FunctAddress, const char * FunctName );
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static void CompConstToVariable ( uint32_t Const, void * Variable, const char * VariableName );
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static void CompConstToX86reg ( x86Reg Reg, uint32_t Const );
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static void CompConstToX86regPointer ( x86Reg Reg, uint32_t Const );
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static void CompX86regToVariable ( x86Reg Reg, void * Variable, const char * VariableName );
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static void CompVariableToX86reg ( x86Reg Reg, void * Variable, const char * VariableName );
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static void CompX86RegToX86Reg ( x86Reg Destination, x86Reg Source );
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static void DecX86reg ( x86Reg Reg );
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static void DivX86reg ( x86Reg reg );
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static void idivX86reg ( x86Reg reg );
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static void imulX86reg ( x86Reg reg );
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static void IncX86reg ( x86Reg Reg );
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static void JaeLabel8 ( const char * Label, uint8_t Value );
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static void JaeLabel32 ( const char * Label, uint32_t Value );
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static void JaLabel8 ( const char * Label, uint8_t Value );
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static void JaLabel32 ( const char * Label, uint32_t Value );
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static void JbLabel8 ( const char * Label, uint8_t Value );
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static void JbLabel32 ( const char * Label, uint32_t Value );
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static void JecxzLabel8 ( const char * Label, uint8_t Value );
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static void JeLabel8 ( const char * Label, uint8_t Value );
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static void JeLabel32 ( const char * Label, uint32_t Value );
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static void JgeLabel32 ( const char * Label, uint32_t Value );
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static void JgLabel8 ( const char * Label, uint8_t Value );
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static void JgLabel32 ( const char * Label, uint32_t Value );
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static void JleLabel8 ( const char * Label, uint8_t Value );
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static void JleLabel32 ( const char * Label, uint32_t Value );
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static void JlLabel8 ( const char * Label, uint8_t Value );
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static void JlLabel32 ( const char * Label, uint32_t Value );
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static void JmpDirectReg ( x86Reg reg );
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static void JmpIndirectLabel32 ( const char * Label, uint32_t location );
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static void JmpIndirectReg ( x86Reg reg );
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static void JmpLabel8 ( const char * Label, uint8_t Value );
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static void JmpLabel32 ( const char * Label, uint32_t Value );
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static void JneLabel8 ( const char * Label, uint8_t Value );
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static void JneLabel32 ( const char * Label, uint32_t Value );
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static void JnsLabel8 ( const char * Label, uint8_t Value );
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static void JnsLabel32 ( const char * Label, uint32_t Value );
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static void JnzLabel8 ( const char * Label, uint8_t Value );
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static void JnzLabel32 ( const char * Label, uint32_t Value );
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static void JsLabel32 ( const char * Label, uint32_t Value );
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static void JzLabel8 ( const char * Label, uint8_t Value );
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static void JzLabel32 ( const char * Label, uint32_t Value );
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static void LeaRegReg ( x86Reg RegDest, x86Reg RegSrc, uint32_t Const, Multipler multiplier );
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static void LeaRegReg2 ( x86Reg RegDest, x86Reg RegSrc, x86Reg RegSrc2, Multipler multiplier );
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static void LeaSourceAndOffset ( x86Reg x86DestReg, x86Reg x86SourceReg, int32_t offset );
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static void MoveConstByteToN64Mem ( uint8_t Const, x86Reg AddrReg );
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static void MoveConstHalfToN64Mem ( uint16_t Const, x86Reg AddrReg );
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static void MoveConstByteToVariable ( uint8_t Const, void * Variable, const char * VariableName );
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static void MoveConstByteToX86regPointer ( uint8_t Const, x86Reg AddrReg1, x86Reg AddrReg2 );
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static void MoveConstHalfToVariable ( uint16_t Const, void * Variable, const char * VariableName );
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static void MoveConstHalfToX86regPointer ( uint16_t Const, x86Reg AddrReg1, x86Reg AddrReg2 );
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static void MoveConstToMemoryDisp ( uint32_t Const, x86Reg AddrReg, uint32_t Disp );
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static void MoveConstToN64Mem ( uint32_t Const, x86Reg AddrReg );
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static void MoveConstToN64MemDisp ( uint32_t Const, x86Reg AddrReg, uint8_t Disp );
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static void MoveConstToVariable ( uint32_t Const, void * Variable, const char * VariableName );
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static void MoveConstToX86Pointer ( uint32_t Const, x86Reg X86Pointer );
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static void MoveConstToX86reg ( uint32_t Const, x86Reg reg );
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static void MoveConstToX86regPointer ( uint32_t Const, x86Reg AddrReg1, x86Reg AddrReg2 );
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static void MoveN64MemDispToX86reg ( x86Reg reg, x86Reg AddrReg, uint8_t Disp );
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static void MoveN64MemToX86reg ( x86Reg reg, x86Reg AddrReg );
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static void MoveN64MemToX86regByte ( x86Reg reg, x86Reg AddrReg );
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static void MoveN64MemToX86regHalf ( x86Reg reg, x86Reg AddrReg );
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static void MoveSxByteX86regPointerToX86reg ( x86Reg AddrReg1, x86Reg AddrReg2, x86Reg reg );
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static void MoveSxHalfX86regPointerToX86reg ( x86Reg AddrReg1, x86Reg AddrReg2, x86Reg reg );
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static void MoveSxN64MemToX86regByte ( x86Reg reg, x86Reg AddrReg );
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static void MoveSxN64MemToX86regHalf ( x86Reg reg, x86Reg AddrReg );
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static void MoveSxVariableToX86regByte ( void * Variable, const char * VariableName, x86Reg reg );
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static void MoveSxVariableToX86regHalf ( void * Variable, const char * VariableName, x86Reg reg );
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static void MoveVariableDispToX86Reg ( void * Variable, const char * VariableName, x86Reg Reg, x86Reg AddrReg, int32_t Multiplier );
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static void MoveVariableToX86reg ( void * Variable, const char * VariableName, x86Reg reg );
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static void MoveVariableToX86regByte ( void * Variable, const char * VariableName, x86Reg reg );
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static void MoveVariableToX86regHalf ( void * Variable, const char * VariableName, x86Reg reg );
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static void MoveX86PointerToX86reg ( x86Reg reg, x86Reg X86Pointer );
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static void MoveX86PointerToX86regDisp ( x86Reg reg, x86Reg X86Pointer, uint8_t Disp );
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static void MoveX86regByteToN64Mem ( x86Reg reg, x86Reg AddrReg );
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static void MoveX86regByteToVariable ( x86Reg reg, void * Variable, const char * VariableName );
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static void MoveX86regByteToX86regPointer ( x86Reg reg, x86Reg AddrReg1, x86Reg AddrReg2 );
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static void MoveX86regHalfToN64Mem ( x86Reg reg, x86Reg AddrReg );
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static void MoveX86regHalfToVariable ( x86Reg reg, void * Variable, const char * VariableName );
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static void MoveX86regHalfToX86regPointer ( x86Reg reg, x86Reg AddrReg1, x86Reg AddrReg2 );
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static void MoveX86regPointerToX86reg ( x86Reg AddrReg1, x86Reg AddrReg2, x86Reg reg );
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static void MoveX86regPointerToX86regDisp8 ( x86Reg AddrReg1, x86Reg AddrReg2, x86Reg reg, uint8_t offset );
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static void MoveX86regToMemory ( x86Reg reg, x86Reg AddrReg, uint32_t Disp );
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static void MoveX86regToN64Mem ( x86Reg reg, x86Reg AddrReg );
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static void MoveX86regToN64MemDisp ( x86Reg reg, x86Reg AddrReg, uint8_t Disp );
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static void MoveX86regToVariable ( x86Reg reg, void * Variable, const char * VariableName );
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static void MoveX86RegToX86Reg ( x86Reg Source, x86Reg Destination );
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static void MoveX86regToX86Pointer ( x86Reg reg, x86Reg X86Pointer );
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static void MoveX86regToX86regPointer ( x86Reg reg, x86Reg AddrReg1, x86Reg AddrReg2 );
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static void MoveZxByteX86regPointerToX86reg ( x86Reg AddrReg1, x86Reg AddrReg2, x86Reg reg );
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static void MoveZxHalfX86regPointerToX86reg ( x86Reg AddrReg1, x86Reg AddrReg2, x86Reg reg );
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static void MoveZxN64MemToX86regByte ( x86Reg reg, x86Reg AddrReg );
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static void MoveZxN64MemToX86regHalf ( x86Reg reg, x86Reg AddrReg );
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static void MoveZxVariableToX86regByte ( void * Variable, const char * VariableName, x86Reg reg );
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static void MoveZxVariableToX86regHalf ( void * Variable, const char * VariableName, x86Reg reg );
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static void MulX86reg ( x86Reg reg );
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static void NotX86Reg ( x86Reg Reg );
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static void OrConstToVariable ( uint32_t Const, void * Variable, const char * VariableName );
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static void OrConstToX86Reg ( uint32_t Const, x86Reg reg );
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static void OrVariableToX86Reg ( void * Variable, const char * VariableName, x86Reg Reg );
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static void OrX86RegToVariable ( void * Variable, const char * VariableName, x86Reg Reg );
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static void OrX86RegToX86Reg ( x86Reg Destination, x86Reg Source );
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static void Push ( x86Reg reg );
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static void Pushad ();
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static void PushImm32 ( uint32_t Value );
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static void PushImm32 ( const char * String, uint32_t Value );
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static void Pop ( x86Reg reg );
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static void Popad ();
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static void Ret ();
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static void Seta ( x86Reg reg );
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static void Setae ( x86Reg reg );
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static void SetaVariable ( void * Variable, const char * VariableName );
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static void Setb ( x86Reg reg );
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static void SetbVariable ( void * Variable, const char * VariableName );
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static void Setg ( x86Reg reg );
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static void SetgVariable ( void * Variable, const char * VariableName );
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static void Setl ( x86Reg reg );
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static void SetlVariable ( void * Variable, const char * VariableName );
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static void Setz ( x86Reg reg );
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static void Setnz ( x86Reg reg );
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static void ShiftLeftDouble ( x86Reg Destination, x86Reg Source );
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static void ShiftLeftDoubleImmed ( x86Reg Destination, x86Reg Source, uint8_t Immediate );
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static void ShiftLeftSign ( x86Reg reg );
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static void ShiftLeftSignImmed ( x86Reg reg, uint8_t Immediate );
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static void ShiftRightDouble ( x86Reg Destination, x86Reg Source );
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static void ShiftRightDoubleImmed ( x86Reg Destination, x86Reg Source, uint8_t Immediate );
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static void ShiftRightSign ( x86Reg reg );
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static void ShiftRightSignImmed ( x86Reg reg, uint8_t Immediate );
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static void ShiftRightUnsign ( x86Reg reg );
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static void ShiftRightUnsignImmed ( x86Reg reg, uint8_t Immediate );
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static void SbbConstFromX86Reg ( x86Reg Reg, uint32_t Const );
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static void SbbVariableFromX86reg ( x86Reg reg, void * Variable, const char * VariableName );
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static void SbbX86RegToX86Reg ( x86Reg Destination, x86Reg Source );
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static void SubConstFromVariable ( uint32_t Const, void * Variable, const char * VariableName );
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static void SubConstFromX86Reg ( x86Reg Reg, uint32_t Const );
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static void SubVariableFromX86reg ( x86Reg reg, void * Variable, const char * VariableName );
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static void SubX86RegToX86Reg ( x86Reg Destination, x86Reg Source );
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static void TestConstToX86Reg ( uint32_t Const, x86Reg reg );
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static void TestVariable ( uint32_t Const, void * Variable, const char * VariableName );
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static void TestX86RegToX86Reg ( x86Reg Destination, x86Reg Source );
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static void XorConstToX86Reg ( x86Reg Reg, uint32_t Const );
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static void XorX86RegToX86Reg ( x86Reg Source, x86Reg Destination );
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static void XorVariableToX86reg ( void * Variable, const char * VariableName, x86Reg reg );
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static void fpuAbs ();
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static void fpuAddDword ( void * Variable, const char * VariableName );
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static void fpuAddDwordRegPointer ( x86Reg x86Pointer );
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static void fpuAddQword ( void * Variable, const char * VariableName );
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static void fpuAddQwordRegPointer ( x86Reg X86Pointer );
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static void fpuAddReg ( x86FpuValues reg );
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static void fpuAddRegPop ( int32_t * StackPos, x86FpuValues reg );
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static void fpuComDword ( void * Variable, const char * VariableName, bool Pop );
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static void fpuComDwordRegPointer ( x86Reg X86Pointer, bool Pop );
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static void fpuComQword ( void * Variable, const char * VariableName, bool Pop );
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static void fpuComQwordRegPointer ( x86Reg X86Pointer, bool Pop );
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static void fpuComReg ( x86FpuValues reg, bool Pop );
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static void fpuDivDword ( void * Variable, const char * VariableName );
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static void fpuDivDwordRegPointer ( x86Reg X86Pointer );
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static void fpuDivQword ( void * Variable, const char * VariableName );
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static void fpuDivQwordRegPointer ( x86Reg X86Pointer );
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static void fpuDivReg ( x86FpuValues Reg );
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static void fpuDivRegPop ( x86FpuValues reg );
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static void fpuExchange ( x86FpuValues Reg );
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static void fpuFree ( x86FpuValues Reg );
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static void fpuDecStack ( int32_t * StackPos );
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static void fpuIncStack ( int32_t * StackPos );
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static void fpuLoadControl ( void * Variable, const char * VariableName );
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static void fpuLoadDword ( int32_t * StackPos, void * Variable, const char * VariableName );
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static void fpuLoadDwordFromX86Reg ( int32_t * StackPos, x86Reg reg );
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static void fpuLoadDwordFromN64Mem ( int32_t * StackPos, x86Reg reg );
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static void fpuLoadInt32bFromN64Mem ( int32_t * StackPos, x86Reg reg );
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static void fpuLoadIntegerDword ( int32_t * StackPos, void * Variable, const char * VariableName );
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static void fpuLoadIntegerDwordFromX86Reg ( int32_t * StackPos,x86Reg Reg );
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static void fpuLoadIntegerQword ( int32_t * StackPos, void * Variable, const char * VariableName );
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static void fpuLoadIntegerQwordFromX86Reg ( int32_t * StackPos,x86Reg Reg );
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static void fpuLoadQword ( int32_t * StackPos, void * Variable, const char * VariableName );
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static void fpuLoadQwordFromX86Reg ( int32_t * StackPos, x86Reg Reg );
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static void fpuLoadQwordFromN64Mem ( int32_t * StackPos, x86Reg reg );
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static void fpuLoadReg ( int32_t * StackPos, x86FpuValues Reg );
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static void fpuMulDword ( void * Variable, const char * VariableName);
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static void fpuMulDwordRegPointer ( x86Reg X86Pointer );
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static void fpuMulQword ( void * Variable, const char * VariableName);
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static void fpuMulQwordRegPointer ( x86Reg X86Pointer );
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static void fpuMulReg ( x86FpuValues reg );
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static void fpuMulRegPop ( x86FpuValues reg );
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static void fpuNeg ();
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static void fpuRound ();
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static void fpuSqrt ();
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static void fpuStoreControl ( void * Variable, const char * VariableName );
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static void fpuStoreDword ( int32_t * StackPos, void * Variable, const char * VariableName, bool pop );
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static void fpuStoreDwordFromX86Reg ( int32_t * StackPos,x86Reg Reg, bool pop );
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static void fpuStoreDwordToN64Mem ( int32_t * StackPos, x86Reg reg, bool Pop );
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static void fpuStoreIntegerDword ( int32_t * StackPos, void * Variable, const char * VariableName, bool pop );
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static void fpuStoreIntegerDwordFromX86Reg ( int32_t * StackPos,x86Reg Reg, bool pop );
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static void fpuStoreIntegerQword ( int32_t * StackPos, void * Variable, const char * VariableName, bool pop );
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static void fpuStoreIntegerQwordFromX86Reg ( int32_t * StackPos, x86Reg Reg, bool pop );
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static void fpuStoreQwordFromX86Reg ( int32_t * StackPos, x86Reg Reg, bool pop );
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static void fpuStoreStatus ();
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static void fpuSubDword ( void * Variable, const char * VariableName );
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static void fpuSubDwordRegPointer ( x86Reg X86Pointer );
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static void fpuSubDwordReverse ( void * Variable, const char * VariableName );
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static void fpuSubQword ( void * Variable, const char * VariableName );
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static void fpuSubQwordRegPointer ( x86Reg X86Pointer );
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static void fpuSubQwordReverse ( void * Variable, const char * VariableName );
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static void fpuSubReg ( x86FpuValues reg );
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static void fpuSubRegPop ( x86FpuValues reg );
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static bool Is8BitReg ( x86Reg Reg );
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static uint8_t CalcMultiplyCode ( Multipler Multiply );
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static uint8_t * m_RecompPos;
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static void * GetAddressOf(int32_t value, ...);
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static void SetJump32(uint32_t * Loc, uint32_t * JumpLoc );
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static void SetJump8(uint8_t * Loc, uint8_t * JumpLoc);
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private:
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static void BreakPointNotification (const wchar_t * const FileName, const int32_t LineNumber);
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static char m_fpupop[2][2];
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};
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#define AddressOf(Addr) CX86Ops::GetAddressOf(5,(Addr))
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