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SWG: Adds TEV stage output dumping. Fixes interrupt handling in the command processor. Some code cleanup and a few graphical fixes for rare cases.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4472 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
donkopunchstania
2009-10-28 03:01:07 +00:00
parent a31eb24955
commit 63e3d184f8
11 changed files with 143 additions and 81 deletions
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81
Source/Plugins/Plugin_VideoSoftware/Src/CommandProcessor.cpp
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@ -46,6 +46,8 @@ const int maxCommandBufferWrite = commandBufferSize - commandBufferCopySize;
u8 commandBuffer[commandBufferSize];
u32 readPos;
u32 writePos;
bool interruptSet;
int et_UpdateInterrupts;
CPReg cpreg; // shared between gfx and emulator thread
@ -55,20 +57,13 @@ void DoState(PointerWrap &p)
p.Do(cpreg);
}
// function
void UpdateFifoRegister();
void UpdateInterrupts();
// does it matter that there is no synchronization between threads during writes?
inline void WriteLow (u32& _reg, u16 lowbits) {_reg = (_reg & 0xFFFF0000) | lowbits;}
inline void WriteHigh(u32& _reg, u16 highbits) {_reg = (_reg & 0x0000FFFF) | ((u32)highbits << 16);}
//inline void WriteLow (volatile u32& _reg, u16 lowbits) {Common::SyncInterlockedExchange((LONG*)&_reg,(_reg & 0xFFFF0000) | lowbits);}
//inline void WriteHigh(volatile u32& _reg, u16 highbits) {Common::SyncInterlockedExchange((LONG*)&_reg,(_reg & 0x0000FFFF) | ((u32)highbits << 16));}
inline u16 ReadLow (u32 _reg) {return (u16)(_reg & 0xFFFF);}
inline u16 ReadHigh (u32 _reg) {return (u16)(_reg >> 16);}
int et_UpdateInterrupts;
void UpdateInterrupts_Wrapper(u64 userdata, int cyclesLate)
{
@ -97,25 +92,13 @@ void Init()
readPos = 0;
writePos = 0;
interruptSet = false;
g_pVideoData = 0;
}
void Shutdown()
{
#ifndef _WIN32
// delete fifo.sync;
#endif
}
void Read16(u16& _rReturnValue, const u32 _Address)
{
DEBUG_LOG(COMMANDPROCESSOR, "(r): 0x%08x", _Address);
u32 regAddr = (_Address & 0xFFF) >> 1;
if (regAddr < 0x20)
_rReturnValue = ((u16*)&cpreg)[regAddr];
else
_rReturnValue = 0;
}
void RunGpu()
@ -127,12 +110,25 @@ void RunGpu()
LoadDefaultSSEState();
// run the opcode decoder
do {
RunBuffer();
} while (cpreg.ctrl.GPReadEnable && !cpreg.status.Breakpoint && cpreg.rwdistance >= commandBufferCopySize);
LoadSSEState();
}
}
void Read16(u16& _rReturnValue, const u32 _Address)
{
DEBUG_LOG(COMMANDPROCESSOR, "(r): 0x%08x", _Address);
u32 regAddr = (_Address & 0xFFF) >> 1;
if (regAddr < 0x20)
_rReturnValue = ((u16*)&cpreg)[regAddr];
else
_rReturnValue = 0;
}
void Write16(const u16 _Value, const u32 _Address)
{
INFO_LOG(COMMANDPROCESSOR, "(write16): 0x%04x @ 0x%08x",_Value,_Address);
@ -149,6 +145,8 @@ void Write16(const u16 _Value, const u32 _Address)
cpreg.status.Hex = _Value;
INFO_LOG(COMMANDPROCESSOR,"\t write to STATUS_REGISTER : %04x", _Value);
UpdateInterrupts();
}
break;
@ -158,23 +156,23 @@ void Write16(const u16 _Value, const u32 _Address)
// clear breakpoint if BPEnable and CPIntEnable are 0
if (!cpreg.ctrl.BPEnable) {
if (!cpreg.ctrl.CPIntEnable) {
if (!cpreg.ctrl.BreakPointIntEnable) {
cpreg.status.Breakpoint = 0;
}
}
UpdateInterrupts();
DEBUG_LOG(COMMANDPROCESSOR,"\t write to CTRL_REGISTER : %04x", _Value);
DEBUG_LOG(COMMANDPROCESSOR, "\t GPREAD %s | CPULINK %s | BP %s || CPIntEnable %s | OvF %s | UndF %s"
DEBUG_LOG(COMMANDPROCESSOR, "\t GPREAD %s | CPULINK %s | BP %s || BPIntEnable %s | OvF %s | UndF %s"
, cpreg.ctrl.GPReadEnable ? "ON" : "OFF"
, cpreg.ctrl.GPLinkEnable ? "ON" : "OFF"
, cpreg.ctrl.BPEnable ? "ON" : "OFF"
, cpreg.ctrl.CPIntEnable ? "ON" : "OFF"
, cpreg.ctrl.BreakPointIntEnable ? "ON" : "OFF"
, cpreg.ctrl.FifoOverflowIntEnable ? "ON" : "OFF"
, cpreg.ctrl.FifoUnderflowIntEnable ? "ON" : "OFF"
);
UpdateInterrupts();
}
break;
@ -188,6 +186,8 @@ void Write16(const u16 _Value, const u32 _Address)
cpreg.status.UnderflowLoWatermark = 0;
INFO_LOG(COMMANDPROCESSOR,"\t write to CLEAR_REGISTER : %04x",_Value);
UpdateInterrupts();
}
break;
@ -303,19 +303,21 @@ void STACKALIGN GatherPipeBursted()
void UpdateInterrupts()
{
bool bpInt = cpreg.status.Breakpoint && cpreg.ctrl.BPEnable;
bool bpInt = cpreg.status.Breakpoint && cpreg.ctrl.BreakPointIntEnable;
bool ovfInt = cpreg.status.OverflowHiWatermark && cpreg.ctrl.FifoOverflowIntEnable;
bool undfInt = cpreg.status.UnderflowLoWatermark && cpreg.ctrl.FifoUnderflowIntEnable;
DEBUG_LOG(COMMANDPROCESSOR, "\tUpdate Interrupts");
DEBUG_LOG(COMMANDPROCESSOR, "\tCPIntEnable %s | BP %s | OvF %s | UndF %s"
, cpreg.ctrl.CPIntEnable ? "ON" : "OFF"
DEBUG_LOG(COMMANDPROCESSOR, "\tBreakPointIntEnable %s | BP %s | OvF %s | UndF %s"
, cpreg.ctrl.BreakPointIntEnable ? "ON" : "OFF"
, cpreg.ctrl.BPEnable ? "ON" : "OFF"
, cpreg.ctrl.FifoOverflowIntEnable ? "ON" : "OFF"
, cpreg.ctrl.FifoUnderflowIntEnable ? "ON" : "OFF"
);
if (cpreg.ctrl.CPIntEnable && (bpInt || ovfInt || undfInt))
interruptSet = bpInt || ovfInt || undfInt;
if (interruptSet)
{
DEBUG_LOG(COMMANDPROCESSOR,"Interrupt set");
g_VideoInitialize.pSetInterrupt(INT_CAUSE_CP, true);
@ -334,8 +336,6 @@ void UpdateInterruptsFromVideoPlugin()
void ReadFifo()
{
bool updateInterrupts = false;
cpreg.status.ReadIdle = 0;
// update rwdistance
@ -347,7 +347,6 @@ void ReadFifo()
// overflow check
cpreg.status.OverflowHiWatermark = cpreg.rwdistance < cpreg.hiwatermark?0:1;
updateInterrupts |= cpreg.ctrl.FifoOverflowIntEnable && cpreg.status.OverflowHiWatermark;
// read from fifo
u8 *ptr = g_VideoInitialize.pGetMemoryPointer(cpreg.readptr);
@ -363,8 +362,6 @@ void ReadFifo()
{
cpreg.status.Breakpoint = 1;
DEBUG_LOG(VIDEO,"Hit breakpoint at %x", readptr);
if (cpreg.ctrl.CPIntEnable)
updateInterrupts = true;
}
else
{
@ -389,12 +386,20 @@ void ReadFifo()
// underflow check
cpreg.status.UnderflowLoWatermark = cpreg.rwdistance > cpreg.lowatermark?0:1;
updateInterrupts |= cpreg.ctrl.FifoUnderflowIntEnable && cpreg.status.UnderflowLoWatermark;
cpreg.status.ReadIdle = 1;
if (updateInterrupts)
bool bpInt = cpreg.status.Breakpoint && cpreg.ctrl.BreakPointIntEnable;
bool ovfInt = cpreg.status.OverflowHiWatermark && cpreg.ctrl.FifoOverflowIntEnable;
bool undfInt = cpreg.status.UnderflowLoWatermark && cpreg.ctrl.FifoUnderflowIntEnable;
bool interrupt = bpInt || ovfInt || undfInt;
if (interrupt != interruptSet)
{
interruptSet = interrupt;
UpdateInterruptsFromVideoPlugin();
}
}
bool RunBuffer()
@ -440,4 +445,4 @@ bool RunBuffer()
return ranDecoder;
}
} // end of namespace CommandProcessor
} // end of namespace CommandProcessor