static __fi tDMA_TAG* ReadTag2()
{
tDMA_TAG* ptag = dmaGetAddr(gifch.tadr, false); //Set memory pointer to TADR
gifch.unsafeTransfer(ptag);
gifch.madr = ptag[1]._u32;
gspath3done = hwDmacSrcChainWithStack(gifch, ptag->ID);
return ptag;
}
static __fi tDMA_TAG* ReadTag()
{
tDMA_TAG* ptag = dmaGetAddr(gifch.tadr, false); //Set memory pointer to TADR
if (!(gifch.transfer("Gif", ptag))) return NULL;
gifch.madr = ptag[1]._u32; //MADR = ADDR field + SPR
gscycles += 2; // Add 1 cycles from the QW read for the tag
gspath3done = hwDmacSrcChainWithStack(gifch, ptag->ID);
return ptag;
}
__fi void vif1SetupTransfer()
{
tDMA_TAG *ptag;
switch (vif1.dmamode)
{
case VIF_CHAIN_MODE:
ptag = dmaGetAddr(vif1ch.tadr, false); //Set memory pointer to TADR
if (!(vif1ch.transfer("Vif1 Tag", ptag))) return;
vif1ch.madr = ptag[1]._u32; //MADR = ADDR field + SPR
g_vif1Cycles += 1; // Add 1 g_vifCycles from the QW read for the tag
VIF_LOG("VIF1 Tag %8.8x_%8.8x size=%d, id=%d, madr=%lx, tadr=%lx",
ptag[1]._u32, ptag[0]._u32, vif1ch.qwc, ptag->ID, vif1ch.madr, vif1ch.tadr);
if (!vif1.done && ((dmacRegs.ctrl.STD == STD_VIF1) && (ptag->ID == TAG_REFS))) // STD == VIF1
{
// there are still bugs, need to also check if gif->madr +16*qwc >= stadr, if not, stall
if ((vif1ch.madr + vif1ch.qwc * 16) >= dmacRegs.stadr.ADDR)
{
// stalled
hwDmacIrq(DMAC_STALL_SIS);
return;
}
}
vif1.inprogress &= ~1;
if (vif1ch.chcr.TTE)
{
// Transfer dma tag if tte is set
bool ret;
static __aligned16 u128 masked_tag;
masked_tag._u64[0] = 0;
masked_tag._u64[1] = *((u64*)ptag + 1);
VIF_LOG("\tVIF1 SrcChain TTE=1, data = 0x%08x.%08x", masked_tag._u32[3], masked_tag._u32[2]);
if (vif1.irqoffset.enabled)
{
ret = VIF1transfer((u32*)&masked_tag + vif1.irqoffset.value, 4 - vif1.irqoffset.value, true); //Transfer Tag on stall
//ret = VIF1transfer((u32*)ptag + (2 + vif1.irqoffset), 2 - vif1.irqoffset); //Transfer Tag on stall
}
else
{
//Some games (like killzone) do Tags mid unpack, the nops will just write blank data
//to the VU's, which breaks stuff, this is where the 128bit packet will fail, so we ignore the first 2 words
vif1.irqoffset.value = 2;
vif1.irqoffset.enabled = true;
ret = VIF1transfer((u32*)&masked_tag + 2, 2, true); //Transfer Tag
//ret = VIF1transfer((u32*)ptag + 2, 2); //Transfer Tag
}
if (!ret && vif1.irqoffset.enabled)
{
vif1.inprogress &= ~1; //Better clear this so it has to do it again (Jak 1)
return; //IRQ set by VIFTransfer
}
}
vif1.irqoffset.value = 0;
vif1.irqoffset.enabled = false;
vif1.done |= hwDmacSrcChainWithStack(vif1ch, ptag->ID);
if(vif1ch.qwc > 0) vif1.inprogress |= 1;
//Check TIE bit of CHCR and IRQ bit of tag
if (vif1ch.chcr.TIE && ptag->IRQ)
{
VIF_LOG("dmaIrq Set");
//End Transfer
vif1.done = true;
return;
}
break;
}
}
__fi void vif0SetupTransfer()
{
tDMA_TAG *ptag;
switch (vif0.dmamode)
{
case VIF_NORMAL_TO_MEM_MODE:
vif0.inprogress = 1;
vif0.done = true;
g_vif0Cycles = 2;
break;
case VIF_CHAIN_MODE:
ptag = dmaGetAddr(vif0ch.tadr, false); //Set memory pointer to TADR
if (!(vif0ch.transfer("vif0 Tag", ptag))) return;
vif0ch.madr = ptag[1]._u32; //MADR = ADDR field + SPR
g_vif0Cycles += 1; // Add 1 g_vifCycles from the QW read for the tag
// Transfer dma tag if tte is set
VIF_LOG("vif0 Tag %8.8x_%8.8x size=%d, id=%d, madr=%lx, tadr=%lx",
ptag[1]._u32, ptag[0]._u32, vif0ch.qwc, ptag->ID, vif0ch.madr, vif0ch.tadr);
vif0.inprogress = 0;
if (vif0ch.chcr.TTE)
{
// Transfer dma tag if tte is set
bool ret;
static __aligned16 u128 masked_tag;
masked_tag._u64[0] = 0;
masked_tag._u64[1] = *((u64*)ptag + 1);
VIF_LOG("\tVIF0 SrcChain TTE=1, data = 0x%08x.%08x", masked_tag._u32[3], masked_tag._u32[2]);
if (vif0.irqoffset.enabled)
{
ret = VIF0transfer((u32*)&masked_tag + vif0.irqoffset.value, 4 - vif0.irqoffset.value, true); //Transfer Tag on stall
//ret = VIF0transfer((u32*)ptag + (2 + vif0.irqoffset), 2 - vif0.irqoffset); //Transfer Tag on stall
}
else
{
//Some games (like killzone) do Tags mid unpack, the nops will just write blank data
//to the VU's, which breaks stuff, this is where the 128bit packet will fail, so we ignore the first 2 words
vif0.irqoffset.value = 2;
vif0.irqoffset.enabled = true;
ret = VIF0transfer((u32*)&masked_tag + 2, 2, true); //Transfer Tag
//ret = VIF0transfer((u32*)ptag + 2, 2); //Transfer Tag
}
if (!ret && vif0.irqoffset.enabled)
{
vif0.inprogress = 0; //Better clear this so it has to do it again (Jak 1)
return; //IRQ set by VIFTransfer
}
}
vif0.irqoffset.value = 0;
vif0.irqoffset.enabled = false;
vif0.done |= hwDmacSrcChainWithStack(vif0ch, ptag->ID);
if(vif0ch.qwc > 0) vif0.inprogress = 1;
//Check TIE bit of CHCR and IRQ bit of tag
if (vif0ch.chcr.TIE && ptag->IRQ)
{
VIF_LOG("dmaIrq Set");
//End Transfer
vif0.done = true;
return;
}
break;
}
}
