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Adjust Ipu1Dma to use the helper functions in Dmac.h for tag transferring. A few minor changes. 

git-svn-id: http://pcsx2.googlecode.com/svn/trunk@2893 96395faa-99c1-11dd-bbfe-3dabce05a288
This commit is contained in:
arcum42 2010-04-24 21:19:34 +00:00
parent 0fa4a5e433
commit 6cb4d35e50
3 changed files with 15 additions and 28 deletions
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35
pcsx2/IPU/IPU.cpp
View File

@ -49,6 +49,7 @@
static tIPU_DMA g_nDMATransfer(0);
static tIPU_cmd ipu_cmd;
static IPUStatus IPU1Status;
// FIXME - g_nIPU0Data and Pointer are not saved in the savestate, which breaks savestates for some
// FMVs at random (if they get saved during the half frame of a 30fps rate). The fix is complicated
@ -1258,17 +1259,17 @@ static __forceinline void ipuDmacSrcChain()
case TAG_CNT: // cnt
// Set the taddr to the next tag
ipu1dma->tadr = ipu1dma->madr;
if(IPU1Status.DMAFinished == false) IPU1Status.DMAFinished = false;
//if(IPU1Status.DMAFinished == false) IPU1Status.DMAFinished = false;
break;
case TAG_NEXT: // next
ipu1dma->tadr = IPU1Status.NextMem;
if(IPU1Status.DMAFinished == false) IPU1Status.DMAFinished = false;
//if(IPU1Status.DMAFinished == false) IPU1Status.DMAFinished = false;
break;
case TAG_REF: // ref
//if(IPU1Status.InProgress == false)ipu1dma->tadr += 16;
if(IPU1Status.DMAFinished == false) IPU1Status.DMAFinished = false;
//if(IPU1Status.DMAFinished == false) IPU1Status.DMAFinished = false;
break;
case TAG_END: // end
@ -1359,15 +1360,12 @@ static __forceinline int IPU1chain() {
int IPU1dma()
{
bool done = FALSE;
int ipu1cycles = 0;
int totalqwc = 0;
//We need to make sure GIF has flushed before sending IPU data, it seems to REALLY screw FFX videos
//if(!WaitGSPaths()) return totalqwc;
IPU_LOG("IPU1 DMA Called QWC %x Finished %d In Progress %d tadr %x", ipu1dma->qwc, IPU1Status.DMAFinished, IPU1Status.InProgress, ipu1dma->tadr);
switch(IPU1Status.DMAMode)
@ -1401,24 +1399,15 @@ int IPU1dma()
if(IPU1Status.InProgress == false && IPU1Status.DMAFinished == false) //No transfer is ready to go so we need to set one up
{
u32 *ptag;
tDMA_TAG* ptag = dmaGetAddr(ipu1dma->tadr, false); //Set memory pointer to TADR
ptag = (u32*)dmaGetAddr(ipu1dma->tadr, false); //Set memory pointer to TADR
if (ptag == NULL) //Is ptag empty?
if (!ipu1dma->transfer("IPU1", ptag))
{
Console.Error("IPU1 BUSERR");
ipu1dma->chcr._u32 = (ipu1dma->chcr._u32 & 0xFFFF) | ((*ptag) & 0xFFFF0000); //Transfer upper part of tag to CHCR bits 31-15
psHu32(DMAC_STAT) |= 1 << 15; //If yes, set BEIS (BUSERR) in DMAC_STAT register
return totalqwc;
}
ipu1cycles += 1; // Add 1 cycles from the QW read for the tag
ipu1dma->chcr._u32 = (ipu1dma->chcr._u32 & 0xFFFF) | ((*ptag) & 0xFFFF0000); //Transfer upper part of tag to CHCR bits 31-15
ipu1dma->qwc = (u16)ptag[0]; //QWC set to lower 16bits of the tag
IPU1Status.ChainMode = (ptag[0] & 0x70000000) >> 28;
IPU1Status.ChainMode = ptag->ID;
switch (IPU1Status.ChainMode)
{
@ -1426,7 +1415,7 @@ int IPU1dma()
// do not change tadr
//ipu1dma->tadr += 16;
ipu1dma->tadr += 16;
ipu1dma->madr = ptag[1];
ipu1dma->madr = ptag[1]._u32;
IPU_LOG("Tag should end on %x", ipu1dma->tadr);
break;
@ -1441,13 +1430,13 @@ int IPU1dma()
case TAG_NEXT: // next
ipu1dma->madr = ipu1dma->tadr + 16;
IPU1Status.NextMem = ptag[1];
IPU1Status.NextMem = ptag[1]._u32;
IPU_LOG("Tag should end on %x", IPU1Status.NextMem);
//IPU1Status.DMAFinished = false;
break;
case TAG_REF: // ref
ipu1dma->madr = ptag[1];
ipu1dma->madr = ptag[1]._u32;
ipu1dma->tadr += 16;
IPU_LOG("Tag should end on %x", ipu1dma->tadr);
//IPU1Status.DMAFinished = false;
@ -1469,9 +1458,9 @@ int IPU1dma()
//if(ipu1dma->qwc == 0) Console.Warning("Blank QWC!");
if(ipu1dma->qwc > 0) IPU1Status.InProgress = true;
IPU_LOG("dmaIPU1 dmaChain %8.8x_%8.8x size=%d, addr=%lx, fifosize=%x",
ptag[1], ptag[0], ipu1dma->qwc, ipu1dma->madr, 8 - g_BP.IFC);
ptag[1]._u32, ptag[0]._u32, ipu1dma->qwc, ipu1dma->madr, 8 - g_BP.IFC);
if (ipu1dma->chcr.TIE && (ptag[0] & 0x80000000)) //Tag Interrupt is set, so schedule the end/interrupt
if (ipu1dma->chcr.TIE && ptag->IRQ) //Tag Interrupt is set, so schedule the end/interrupt
IPU1Status.DMAFinished = true;

2
pcsx2/IPU/IPU.h
View File

@ -55,8 +55,6 @@ struct IPUStatus {
u32 NextMem;
};
static IPUStatus IPU1Status;
#define DMA_MODE_NORMAL 0
#define DMA_MODE_CHAIN 1

2
pcsx2/RecoverySystem.cpp
View File

@ -37,7 +37,7 @@ static NonblockingMutex state_buffer_lock;
// This boolean tracks if a savestate is actively saving. When a state is saving we
// typically delay program termination to allow the state time to finish its work.
static bool state_is_saving = false;
//static bool state_is_saving = false;
// This boolean is to keep the system from resuming emulation until the current state has completely
// uploaded or downloaded itself. It is only modified from the main thread, and should only be read