pcsx2/pcsx2/IopMem.h

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/* PCSX2 - PS2 Emulator for PCs
* Copyright (C) 2002-2010 PCSX2 Dev Team
*
* PCSX2 is free software: you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with PCSX2.
* If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "MemoryTypes.h"
extern uptr *psxMemWLUT;
extern const uptr *psxMemRLUT;
// Obtains a writable pointer into the IOP's memory, with TLB address translation.
// If the address maps to read-only memory, NULL is returned.
// Hacky! This should really never be used, ever, since it bypasses the iop's Hardware
// Register handler and SPU/DEV/USB maps.
template<typename T>
static __fi T* iopVirtMemW( u32 mem )
{
return (psxMemWLUT[(mem) >> 16] == 0) ? NULL : (T*)(psxMemWLUT[(mem) >> 16] + ((mem) & 0xffff));
}
// Obtains a read-safe pointer into the IOP's physical memory, with TLB address translation.
// Returns NULL if the address maps to an invalid/unmapped physical address.
//
// Hacky! This should really never be used, since anything reading through the
// TLB should be using iopMemRead/Write instead for each individual access. That ensures
// correct handling of page boundary crossings.
template<typename T>
static __fi const T* iopVirtMemR( u32 mem )
{
mem &= 0x1fffffff;
return (psxMemRLUT[mem >> 16] == 0) ? NULL : (const T*)(psxMemRLUT[mem >> 16] + (mem & 0xffff));
}
// Obtains a pointer to the IOP's physical mapping (bypasses the TLB)
static __fi u8* iopPhysMem( u32 addr )
{
return &iopMem->Main[addr & 0x1fffff];
}
#define psxSs8(mem) iopMem->Sif[(mem) & 0x00ff]
#define psxSs16(mem) (*(s16*)&iopMem->Sif[(mem) & 0x00ff])
#define psxSs32(mem) (*(s32*)&iopMem->Sif[(mem) & 0x00ff])
#define psxSu8(mem) (*(u8*) &iopMem->Sif[(mem) & 0x00ff])
#define psxSu16(mem) (*(u16*)&iopMem->Sif[(mem) & 0x00ff])
#define psxSu32(mem) (*(u32*)&iopMem->Sif[(mem) & 0x00ff])
#define psxPs8(mem) iopMem->P[(mem) & 0xffff]
#define psxPs16(mem) (*(s16*)&iopMem->P[(mem) & 0xffff])
#define psxPs32(mem) (*(s32*)&iopMem->P[(mem) & 0xffff])
#define psxPu8(mem) (*(u8*) &iopMem->P[(mem) & 0xffff])
#define psxPu16(mem) (*(u16*)&iopMem->P[(mem) & 0xffff])
#define psxPu32(mem) (*(u32*)&iopMem->P[(mem) & 0xffff])
#define psxHs8(mem) iopHw[(mem) & 0xffff]
#define psxHs16(mem) (*(s16*)&iopHw[(mem) & 0xffff])
#define psxHs32(mem) (*(s32*)&iopHw[(mem) & 0xffff])
#define psxHu8(mem) (*(u8*) &iopHw[(mem) & 0xffff])
#define psxHu16(mem) (*(u16*)&iopHw[(mem) & 0xffff])
#define psxHu32(mem) (*(u32*)&iopHw[(mem) & 0xffff])
extern void psxMemReserve();
extern void psxMemAlloc();
extern void psxMemReset();
extern void psxMemShutdown();
extern u8 __fastcall iopMemRead8 (u32 mem);
extern u16 __fastcall iopMemRead16(u32 mem);
extern u32 __fastcall iopMemRead32(u32 mem);
extern void __fastcall iopMemWrite8 (u32 mem, u8 value);
extern void __fastcall iopMemWrite16(u32 mem, u16 value);
extern void __fastcall iopMemWrite32(u32 mem, u32 value);
std::string iopMemReadString(u32 mem, int maxlen = 65536);
namespace IopMemory
{
// Sif functions not made yet (will for future Iop improvements):
extern mem8_t __fastcall SifRead8( u32 iopaddr );
extern mem16_t __fastcall SifRead16( u32 iopaddr );
extern mem32_t __fastcall SifRead32( u32 iopaddr );
extern void __fastcall SifWrite8( u32 iopaddr, mem8_t data );
extern void __fastcall SifWrite16( u32 iopaddr, mem16_t data );
extern void __fastcall SifWrite32( u32 iopaddr, mem32_t data );
extern mem8_t __fastcall iopHwRead8_generic( u32 addr );
extern mem16_t __fastcall iopHwRead16_generic( u32 addr );
extern mem32_t __fastcall iopHwRead32_generic( u32 addr );
extern void __fastcall iopHwWrite8_generic( u32 addr, mem8_t val );
extern void __fastcall iopHwWrite16_generic( u32 addr, mem16_t val );
extern void __fastcall iopHwWrite32_generic( u32 addr, mem32_t val );
extern mem8_t __fastcall iopHwRead8_Page1( u32 iopaddr );
extern mem8_t __fastcall iopHwRead8_Page3( u32 iopaddr );
extern mem8_t __fastcall iopHwRead8_Page8( u32 iopaddr );
extern mem16_t __fastcall iopHwRead16_Page1( u32 iopaddr );
extern mem16_t __fastcall iopHwRead16_Page3( u32 iopaddr );
extern mem16_t __fastcall iopHwRead16_Page8( u32 iopaddr );
extern mem32_t __fastcall iopHwRead32_Page1( u32 iopaddr );
extern mem32_t __fastcall iopHwRead32_Page3( u32 iopaddr );
extern mem32_t __fastcall iopHwRead32_Page8( u32 iopaddr );
extern void __fastcall iopHwWrite8_Page1( u32 iopaddr, mem8_t data );
extern void __fastcall iopHwWrite8_Page3( u32 iopaddr, mem8_t data );
extern void __fastcall iopHwWrite8_Page8( u32 iopaddr, mem8_t data );
extern void __fastcall iopHwWrite16_Page1( u32 iopaddr, mem16_t data );
extern void __fastcall iopHwWrite16_Page3( u32 iopaddr, mem16_t data );
extern void __fastcall iopHwWrite16_Page8( u32 iopaddr, mem16_t data );
extern void __fastcall iopHwWrite32_Page1( u32 iopaddr, mem32_t data );
extern void __fastcall iopHwWrite32_Page3( u32 iopaddr, mem32_t data );
extern void __fastcall iopHwWrite32_Page8( u32 iopaddr, mem32_t data );
}