pcsx2/pcsx2/IPU/IPU_Fifo.h

58 lines
1.6 KiB
C

/* 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/>.
*/
#ifndef IPU_FIFO_H_INCLUDED
#define IPU_FIFO_H_INCLUDED
// Important! All FIFO containers in this header should be 'struct' type, not class type.
// They are saved into the savestate as-is, and keeping them as struct ensures that the
// layout of their contents is reliable.
struct IPU_Fifo_Input
{
__aligned16 u32 data[32];
int readpos, writepos;
int write(u32* pMem, int size);
int read(void *value);
void clear();
wxString desc() const;
};
struct IPU_Fifo_Output
{
__aligned16 u32 data[32];
int readpos, writepos;
// returns number of qw read
int write(const u32 * value, uint size);
void read(void *value, uint size);
void clear();
wxString desc() const;
};
struct IPU_Fifo
{
__aligned16 IPU_Fifo_Input in;
__aligned16 IPU_Fifo_Output out;
void init();
void clear();
};
extern __aligned16 IPU_Fifo ipu_fifo;
#endif // IPU_FIFO_H_INCLUDED