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