174 lines
4.4 KiB
C++
174 lines
4.4 KiB
C++
// Copyright (C) 2003-2009 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/
|
|
|
|
|
|
// http://developer.nvidia.com/object/General_FAQ.html#t6 !!!!!
|
|
|
|
|
|
|
|
#include "Common.h"
|
|
#include "ChunkFile.h"
|
|
#include "CoreTiming.h"
|
|
#include "ConfigManager.h"
|
|
#include "HW/ProcessorInterface.h"
|
|
|
|
#include "SWPixelEngine.h"
|
|
#include "SWCommandProcessor.h"
|
|
|
|
|
|
namespace SWPixelEngine
|
|
{
|
|
|
|
enum
|
|
{
|
|
INT_CAUSE_PE_TOKEN = 0x200, // GP Token
|
|
INT_CAUSE_PE_FINISH = 0x400, // GP Finished
|
|
};
|
|
|
|
// STATE_TO_SAVE
|
|
PEReg pereg;
|
|
|
|
static bool g_bSignalTokenInterrupt;
|
|
static bool g_bSignalFinishInterrupt;
|
|
|
|
static int et_SetTokenOnMainThread;
|
|
static int et_SetFinishOnMainThread;
|
|
|
|
void DoState(PointerWrap &p)
|
|
{
|
|
p.Do(pereg);
|
|
p.Do(g_bSignalTokenInterrupt);
|
|
p.Do(g_bSignalFinishInterrupt);
|
|
}
|
|
|
|
void UpdateInterrupts();
|
|
|
|
void SetToken_OnMainThread(u64 userdata, int cyclesLate);
|
|
void SetFinish_OnMainThread(u64 userdata, int cyclesLate);
|
|
|
|
void Init()
|
|
{
|
|
memset(&pereg, 0, sizeof(pereg));
|
|
|
|
et_SetTokenOnMainThread = false;
|
|
g_bSignalFinishInterrupt = false;
|
|
|
|
et_SetTokenOnMainThread = CoreTiming::RegisterEvent("SetToken", SetToken_OnMainThread);
|
|
et_SetFinishOnMainThread = CoreTiming::RegisterEvent("SetFinish", SetFinish_OnMainThread);
|
|
}
|
|
|
|
void Read16(u16& _uReturnValue, const u32 _iAddress)
|
|
{
|
|
DEBUG_LOG(PIXELENGINE, "(r16): 0x%08x", _iAddress);
|
|
|
|
u16 address = _iAddress & 0xFFF;
|
|
|
|
if (address <= 0x16)
|
|
_uReturnValue = ((u16*)&pereg)[address >> 1];
|
|
}
|
|
|
|
void Write32(const u32 _iValue, const u32 _iAddress)
|
|
{
|
|
WARN_LOG(PIXELENGINE, "(w32): 0x%08x @ 0x%08x",_iValue,_iAddress);
|
|
}
|
|
|
|
void Write16(const u16 _iValue, const u32 _iAddress)
|
|
{
|
|
u16 address = _iAddress & 0xFFF;
|
|
|
|
switch (address)
|
|
{
|
|
case PE_CTRL_REGISTER:
|
|
{
|
|
UPECtrlReg tmpCtrl(_iValue);
|
|
|
|
if (tmpCtrl.PEToken) g_bSignalTokenInterrupt = false;
|
|
if (tmpCtrl.PEFinish) g_bSignalFinishInterrupt = false;
|
|
|
|
pereg.ctrl.PETokenEnable = tmpCtrl.PETokenEnable;
|
|
pereg.ctrl.PEFinishEnable = tmpCtrl.PEFinishEnable;
|
|
pereg.ctrl.PEToken = 0; // this flag is write only
|
|
pereg.ctrl.PEFinish = 0; // this flag is write only
|
|
|
|
DEBUG_LOG(PIXELENGINE, "(w16): PE_CTRL_REGISTER: 0x%04x", _iValue);
|
|
UpdateInterrupts();
|
|
}
|
|
break;
|
|
default:
|
|
if (address <= 0x16)
|
|
((u16*)&pereg)[address >> 1] = _iValue;
|
|
break;
|
|
}
|
|
}
|
|
|
|
bool AllowIdleSkipping()
|
|
{
|
|
return !SConfig::GetInstance().m_LocalCoreStartupParameter.bCPUThread || (!pereg.ctrl.PETokenEnable && !pereg.ctrl.PEFinishEnable);
|
|
}
|
|
|
|
void UpdateInterrupts()
|
|
{
|
|
// check if there is a token-interrupt
|
|
if (g_bSignalTokenInterrupt & pereg.ctrl.PETokenEnable)
|
|
ProcessorInterface::SetInterrupt(INT_CAUSE_PE_TOKEN, true);
|
|
else
|
|
ProcessorInterface::SetInterrupt(INT_CAUSE_PE_TOKEN, false);
|
|
|
|
// check if there is a finish-interrupt
|
|
if (g_bSignalFinishInterrupt & pereg.ctrl.PEFinishEnable)
|
|
ProcessorInterface::SetInterrupt(INT_CAUSE_PE_FINISH, true);
|
|
else
|
|
ProcessorInterface::SetInterrupt(INT_CAUSE_PE_FINISH, false);
|
|
}
|
|
|
|
|
|
// Called only if BPMEM_PE_TOKEN_INT_ID is ack by GP
|
|
void SetToken_OnMainThread(u64 userdata, int cyclesLate)
|
|
{
|
|
g_bSignalTokenInterrupt = true;
|
|
INFO_LOG(PIXELENGINE, "VIDEO Backend raises INT_CAUSE_PE_TOKEN (btw, token: %04x)", pereg.token);
|
|
UpdateInterrupts();
|
|
}
|
|
|
|
void SetFinish_OnMainThread(u64 userdata, int cyclesLate)
|
|
{
|
|
g_bSignalFinishInterrupt = true;
|
|
UpdateInterrupts();
|
|
}
|
|
|
|
// SetToken
|
|
// THIS IS EXECUTED FROM VIDEO THREAD
|
|
void SetToken(const u16 _token, const int _bSetTokenAcknowledge)
|
|
{
|
|
pereg.token = _token;
|
|
if (_bSetTokenAcknowledge) // set token INT
|
|
{
|
|
CoreTiming::ScheduleEvent_Threadsafe(0, et_SetTokenOnMainThread,
|
|
_token | (_bSetTokenAcknowledge << 16));
|
|
}
|
|
}
|
|
|
|
// SetFinish
|
|
// THIS IS EXECUTED FROM VIDEO THREAD
|
|
void SetFinish()
|
|
{
|
|
CoreTiming::ScheduleEvent_Threadsafe(0, et_SetFinishOnMainThread, 0);
|
|
INFO_LOG(PIXELENGINE, "VIDEO Set Finish");
|
|
}
|
|
|
|
} // end of namespace SWPixelEngine
|