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// Copyright (C) 2003 Dolphin Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.
// This program 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 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#ifndef _COMMANDPROCESSOR_H
#define _COMMANDPROCESSOR_H
#include "Common.h"
#include "pluginspecs_video.h"
class PointerWrap;
extern bool MT;
namespace CommandProcessor
{
extern SCPFifoStruct fifo; //This one is shared between gfx thread and emulator thread
// internal hardware addresses
enum
{
STATUS_REGISTER = 0x00,
CTRL_REGISTER = 0x02,
CLEAR_REGISTER = 0x04,
PERF_SELECT = 0x06,
FIFO_TOKEN_REGISTER = 0x0E,
FIFO_BOUNDING_BOX_LEFT = 0x10,
FIFO_BOUNDING_BOX_RIGHT = 0x12,
FIFO_BOUNDING_BOX_TOP = 0x14,
FIFO_BOUNDING_BOX_BOTTOM = 0x16,
FIFO_BASE_LO = 0x20,
FIFO_BASE_HI = 0x22,
FIFO_END_LO = 0x24,
FIFO_END_HI = 0x26,
FIFO_HI_WATERMARK_LO = 0x28,
FIFO_HI_WATERMARK_HI = 0x2a,
FIFO_LO_WATERMARK_LO = 0x2c,
FIFO_LO_WATERMARK_HI = 0x2e,
FIFO_RW_DISTANCE_LO = 0x30,
FIFO_RW_DISTANCE_HI = 0x32,
FIFO_WRITE_POINTER_LO = 0x34,
FIFO_WRITE_POINTER_HI = 0x36,
FIFO_READ_POINTER_LO = 0x38,
FIFO_READ_POINTER_HI = 0x3A,
FIFO_BP_LO = 0x3C,
FIFO_BP_HI = 0x3E,
XF_RASBUSY_L = 0x40,
XF_RASBUSY_H = 0x42,
XF_CLKS_L = 0x44,
XF_CLKS_H = 0x46,
XF_WAIT_IN_L = 0x48,
XF_WAIT_IN_H = 0x4a,
XF_WAIT_OUT_L = 0x4c,
XF_WAIT_OUT_H = 0x4e,
VCACHE_METRIC_CHECK_L = 0x50,
VCACHE_METRIC_CHECK_H = 0x52,
VCACHE_METRIC_MISS_L = 0x54,
VCACHE_METRIC_MISS_H = 0x56,
VCACHE_METRIC_STALL_L = 0x58,
VCACHE_METRIC_STALL_H = 0x5A,
CLKS_PER_VTX_IN_L = 0x60,
CLKS_PER_VTX_IN_H = 0x62,
CLKS_PER_VTX_OUT = 0x64,
};
enum
{
GATHER_PIPE_SIZE = 32,
INT_CAUSE_CP = 0x800
};
// Fifo Status Register
union UCPStatusReg
{
struct
{
unsigned OverflowHiWatermark : 1;
unsigned UnderflowLoWatermark : 1;
unsigned ReadIdle : 1;
unsigned CommandIdle : 1;
unsigned Breakpoint : 1;
unsigned : 11;
};
u16 Hex;
UCPStatusReg() {Hex = 0; }
UCPStatusReg(u16 _hex) {Hex = _hex; }
};
// Fifo Control Register
union UCPCtrlReg
{
struct
{
unsigned GPReadEnable : 1;
unsigned BPEnable : 1;
unsigned FifoOverflowIntEnable : 1;
unsigned FifoUnderflowIntEnable : 1;
unsigned GPLinkEnable : 1;
unsigned BPInit : 1;
unsigned : 10;
};
u16 Hex;
UCPCtrlReg() {Hex = 0; }
UCPCtrlReg(u16 _hex) {Hex = _hex; }
};
// Fifo Clear Register
union UCPClearReg
{
struct
{
unsigned ClearFifoOverflow : 1;
unsigned ClearFifoUnderflow : 1;
unsigned ClearMetrices : 1;
unsigned : 13;
};
u16 Hex;
UCPClearReg() {Hex = 0; }
UCPClearReg(u16 _hex) {Hex = _hex; }
};
// Init
void Init();
void Shutdown();
void DoState(PointerWrap &p);
// Read
void Read16(u16& _rReturnValue, const u32 _Address);
void Write16(const u16 _Data, const u32 _Address);
void Read32(u32& _rReturnValue, const u32 _Address);
void Write32(const u32 _Data, const u32 _Address);
// for CGPFIFO
void CatchUpGPU();
void GatherPipeBursted();
void UpdateFifoRegister();
void UpdateInterrupts(bool active);
void UpdateInterruptsFromVideoPlugin(bool active);
void SetFifoIdleFromVideoPlugin();
bool AllowIdleSkipping();
// for DC GP watchdog hack
void IncrementGPWDToken();
void WaitForFrameFinish();
void FifoCriticalEnter();
void FifoCriticalLeave();
} // namespace CommandProcessor
#endif // _COMMANDPROCESSOR_H
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