__fi void dmaIPU1() // toIPU
{
IPU_LOG("IPU1DMAStart QWC %x, MADR %x, CHCR %x, TADR %x", ipu1ch.qwc, ipu1ch.madr, ipu1ch.chcr._u32, ipu1ch.tadr);
if (ipu1ch.pad != 0)
{
// Note: pad is the padding right above qwc, so we're testing whether qwc
// has overflowed into pad.
DevCon.Warning(L"IPU1dma's upper 16 bits set to %x\n", ipu1ch.pad);
ipu1ch.qwc = ipu1ch.pad = 0;
// If we are going to clear down IPU1, we should end it too.
// Going to test this scenario on the PS2 mind - Refraction
ipu1ch.chcr.STR = false;
hwDmacIrq(DMAC_TO_IPU);
}
if (ipu1ch.chcr.MOD == NORMAL_MODE && ipu1ch.qwc == 0) //avoids freeze when IPU1 Normal error is triggered
{
/*ipu1ch.chcr.STR = false;
// Hack to force stop IPU
ipuRegs.cmd.BUSY = 0;
ipuRegs.ctrl.BUSY = 0;
ipuRegs.topbusy = 0;
//
hwDmacIrq(DMAC_TO_IPU);*/
IPU_LOG("IPU1 Normal error fix");
ipu1ch.qwc = 1;
}
if (ipu1ch.chcr.MOD == CHAIN_MODE) //Chain Mode
{
IPU_LOG("Setting up IPU1 Chain mode");
if(ipu1ch.qwc == 0)
{
IPU1Status.InProgress = false;
IPU1Status.DMAFinished = false;
}
else
{ //Attempting to continue a previous chain
IPU_LOG("Resuming DMA TAG %x", (ipu1ch.chcr.TAG >> 12));
//We MUST check the CHCR for the tag it last knew, it can be manipulated!
IPU1Status.ChainMode = (ipu1ch.chcr.TAG >> 12) & 0x7;
IPU1Status.InProgress = true;
if ((ipu1ch.chcr.tag().ID == TAG_REFE) || (ipu1ch.chcr.tag().ID == TAG_END) || (ipu1ch.chcr.tag().IRQ && ipu1ch.chcr.TIE))
{
IPU1Status.DMAFinished = true;
}
else
{
IPU1Status.DMAFinished = false;
}
}
IPU1Status.DMAMode = DMA_MODE_CHAIN;
IPU1dma();
}
__fi void dmaIPU1() // toIPU
{
IPU_LOG("IPU1DMAStart QWC %x, MADR %x, CHCR %x, TADR %x", ipu1dma.qwc, ipu1dma.madr, ipu1dma.chcr._u32, ipu1dma.tadr);
if (ipu1dma.pad != 0)
{
// Note: pad is the padding right above qwc, so we're testing whether qwc
// has overflowed into pad.
DevCon.Warning(L"IPU1dma's upper 16 bits set to %x\n", ipu1dma.pad);
ipu1dma.qwc = ipu1dma.pad = 0;
// If we are going to clear down IPU1, we should end it too.
// Going to test this scenario on the PS2 mind - Refraction
ipu1dma.chcr.STR = false;
hwDmacIrq(DMAC_TO_IPU);
}
if (ipu1dma.chcr.MOD == CHAIN_MODE) //Chain Mode
{
IPU_LOG("Setting up IPU1 Chain mode");
if(ipu1dma.qwc == 0)
{
IPU1Status.InProgress = false;
IPU1Status.DMAFinished = false;
}
else
{ //Attempting to continue a previous chain
IPU_LOG("Resuming DMA TAG %x", (ipu1dma.chcr.TAG >> 12));
//We MUST check the CHCR for the tag it last knew, it can be manipulated!
IPU1Status.ChainMode = (ipu1dma.chcr.TAG >> 12) & 0x7;
IPU1Status.InProgress = true;
IPU1Status.DMAFinished = ((ipu1dma.chcr.TAG >> 15) && ipu1dma.chcr.TIE) ? true : false;
}
IPU1Status.DMAMode = DMA_MODE_CHAIN;
IPU1dma();
}
