ShuriZma
/
pcsx2
mirror of https://github.com/PCSX2/pcsx2.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Made a rough start to what will hopefully be helpful in the future with dma timing and control. So VIF1 (and MFIFO) now have a restructured layout, i have left old code in place for the moment just incase its all a waste of time :p 

git-svn-id: http://pcsx2.googlecode.com/svn/trunk@777 96395faa-99c1-11dd-bbfe-3dabce05a288
This commit is contained in:
refraction 2009-03-14 01:34:16 +00:00
parent 1689b73c77
commit c8f3a36d66
3 changed files with 357 additions and 225 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

79
pcsx2/Vif.cpp
View File

@ -452,7 +452,10 @@ static __forceinline int mfifoVIF1chain() {
int ret; int ret;
/* Is QWC = 0? if so there is nothing to transfer */ /* Is QWC = 0? if so there is nothing to transfer */
if (vif1ch->qwc == 0 && vif1.vifstalled == 0) return 0; if (vif1ch->qwc == 0 && vif1.vifstalled == 0) {
vif1.inprogress = 0;
return 0;
}
if (vif1ch->madr >= psHu32(DMAC_RBOR) && if (vif1ch->madr >= psHu32(DMAC_RBOR) &&
@ -485,16 +488,30 @@ void mfifoVIF1transfer(int qwc) {
g_vifCycles = 0; g_vifCycles = 0;
mfifodmairq = 0; //Clear any previous TIE interrupt
if(qwc > 0){ if(qwc > 0){
vifqwc += qwc; vifqwc += qwc;
if(vif1.inprogress & 0x10)
{
if (vif1ch->madr >= psHu32(DMAC_RBOR) && vif1ch->madr <= (psHu32(DMAC_RBOR)+psHu32(DMAC_RBSR)))
{
CPU_INT(10, min( (int)vifqwc, (int)vif1ch->qwc ) * BIAS);
}
else
{
CPU_INT(10, vif1ch->qwc * BIAS);
}
}
vif1.inprogress &= ~0x10;
SPR_LOG("Added %x qw to mfifo, total now %x - Vif CHCR %x Stalled %x done %x\n", qwc, vifqwc, vif1ch->chcr, vif1.vifstalled, vif1.done); SPR_LOG("Added %x qw to mfifo, total now %x - Vif CHCR %x Stalled %x done %x\n", qwc, vifqwc, vif1ch->chcr, vif1.vifstalled, vif1.done);
if((vif1ch->chcr & 0x100) == 0 || vif1.vifstalled == 1 || vif1.done == 1) return; /*if((vif1ch->chcr & 0x100) == 0 || vif1.vifstalled == 1 || vif1.done == 1 || vif1.inprogress == 1)*/ return;
} }
mfifodmairq = 0; //Clear any previous TIE interrupt
if(vif1ch->qwc == 0){ if(vif1ch->qwc == 0){
ptag = (u32*)dmaGetAddr(vif1ch->tadr); ptag = (u32*)dmaGetAddr(vif1ch->tadr);
@ -505,7 +522,7 @@ void mfifoVIF1transfer(int qwc) {
VIF_LOG("MFIFO Stallon tag\n"); VIF_LOG("MFIFO Stallon tag\n");
vif1.stallontag = 1; vif1.stallontag = 1;
CPU_INT(10,cycles+g_vifCycles); //CPU_INT(10,cycles+g_vifCycles);
return; //IRQ set by VIFTransfer return; //IRQ set by VIFTransfer
} }
} }
@ -524,7 +541,7 @@ void mfifoVIF1transfer(int qwc) {
switch (id) { switch (id) {
case 0: // Refe - Transfer Packet According to ADDR field case 0: // Refe - Transfer Packet According to ADDR field
vif1ch->tadr = psHu32(DMAC_RBOR) + ((vif1ch->tadr + 16) & psHu32(DMAC_RBSR)); vif1ch->tadr = psHu32(DMAC_RBOR) + ((vif1ch->tadr + 16) & psHu32(DMAC_RBSR));
vif1.done = 2; //End Transfer vif1.done = 1; //End Transfer
break; break;
case 1: // CNT - Transfer QWC following the tag. case 1: // CNT - Transfer QWC following the tag.
@ -550,31 +567,33 @@ void mfifoVIF1transfer(int qwc) {
case 7: // End - Transfer QWC following the tag case 7: // End - Transfer QWC following the tag
vif1ch->madr = psHu32(DMAC_RBOR) + ((vif1ch->tadr + 16) & psHu32(DMAC_RBSR)); //Set MADR to data following the tag vif1ch->madr = psHu32(DMAC_RBOR) + ((vif1ch->tadr + 16) & psHu32(DMAC_RBSR)); //Set MADR to data following the tag
vif1ch->tadr = psHu32(DMAC_RBOR) + ((vif1ch->madr + (vif1ch->qwc << 4)) & psHu32(DMAC_RBSR)); //Set TADR to QW following the data vif1ch->tadr = psHu32(DMAC_RBOR) + ((vif1ch->madr + (vif1ch->qwc << 4)) & psHu32(DMAC_RBSR)); //Set TADR to QW following the data
vif1.done = 2; //End Transfer vif1.done = 1; //End Transfer
break; break;
} }
if ((vif1ch->chcr & 0x80) && (ptag[0] >> 31)) { if ((vif1ch->chcr & 0x80) && (ptag[0] >> 31))
{
VIF_LOG("dmaIrq Set\n"); VIF_LOG("dmaIrq Set\n");
vif1.done = 2; vif1.done = 1;
mfifodmairq = 1; //Let the handler know we have prematurely ended MFIFO mfifodmairq = 1; //Let the handler know we have prematurely ended MFIFO
} }
} }
ret = mfifoVIF1chain(); vif1.inprogress |= 1;
if (ret == -1) {
/*if (ret == -1) {
SysPrintf("VIF dmaChain error size=%d, madr=%lx, tadr=%lx\n", SysPrintf("VIF dmaChain error size=%d, madr=%lx, tadr=%lx\n",
vif1ch->qwc, vif1ch->madr, vif1ch->tadr); vif1ch->qwc, vif1ch->madr, vif1ch->tadr);
vif1.done = 1; vif1.done = 1;
CPU_INT(10,g_vifCycles); //CPU_INT(10,g_vifCycles);
} }
if(ret == -2){ if(ret == -2){
VIF_LOG("MFIFO Stall\n"); VIF_LOG("MFIFO Stall\n");
CPU_INT(10,g_vifCycles); //CPU_INT(10,g_vifCycles);
return; return;
} }*/
if(vif1.done == 2 && vif1ch->qwc == 0) vif1.done = 1; //if(vif1.done == 2 && vif1ch->qwc == 0) vif1.done = 1;
CPU_INT(10,g_vifCycles); //CPU_INT(10,g_vifCycles);
SPR_LOG("mfifoVIF1transfer end %x madr %x, tadr %x vifqwc %x\n", vif1ch->chcr, vif1ch->madr, vif1ch->tadr, vifqwc); SPR_LOG("mfifoVIF1transfer end %x madr %x, tadr %x vifqwc %x\n", vif1ch->chcr, vif1ch->madr, vif1ch->tadr, vifqwc);
} }
@ -582,6 +601,10 @@ void vifMFIFOInterrupt()
{ {
g_vifCycles = 0; g_vifCycles = 0;
if(vif1.inprogress == 1) mfifoVIF1chain();
if(vif1.irq && vif1.tag.size == 0) { if(vif1.irq && vif1.tag.size == 0) {
vif1Regs->stat|= VIF1_STAT_INT; vif1Regs->stat|= VIF1_STAT_INT;
hwIntcIrq(INTC_VIF1); hwIntcIrq(INTC_VIF1);
@ -594,14 +617,34 @@ void vifMFIFOInterrupt()
} }
} }
if(vif1.done != 1) {
if(vif1.done != 1 || vif1.inprogress & 1) {
if(vifqwc <= 0){ if(vifqwc <= 0){
//SysPrintf("Empty\n"); //SysPrintf("Empty\n");
vif1.inprogress |= 0x10;
hwDmacIrq(14); hwDmacIrq(14);
return; return;
} }
mfifoVIF1transfer(0); if(!(vif1.inprogress & 0x1)) mfifoVIF1transfer(0);
if (vif1ch->madr >= psHu32(DMAC_RBOR) && vif1ch->madr <= (psHu32(DMAC_RBOR)+psHu32(DMAC_RBSR)))
{
CPU_INT(10, min( (int)vifqwc, (int)vif1ch->qwc ) * BIAS);
}
else
{
CPU_INT(10, vif1ch->qwc * BIAS);
}
return; return;
} else if(vifqwc <= 0){
//SysPrintf("Empty\n");
//vif1.inprogress |= 0x10;
hwDmacIrq(14);
//return;
} }
//On a TIE break we do not clear the MFIFO (Art of Fighting) //On a TIE break we do not clear the MFIFO (Art of Fighting)

485
pcsx2/VifDma.cpp
View File

@ -1856,15 +1856,14 @@ int VIF1transfer(u32 *data, int size, int istag) {
transferred += size - vif1.vifpacketsize; transferred += size - vif1.vifpacketsize;
g_vifCycles+= (transferred>>2)*BIAS; /* guessing */ g_vifCycles+= (transferred>>2)*BIAS; /* guessing */
vif1.irqoffset = transferred%4; // cannot lose the offset
if (vif1.irq && vif1.cmd == 0) { if (vif1.irq && vif1.cmd == 0) {
vif1.vifstalled = 1; vif1.vifstalled = 1;
if(((vif1Regs->code >> 24) & 0x7f) != 0x7)vif1Regs->stat|= VIF1_STAT_VIS; // Note: commenting this out fixes WALL-E if(((vif1Regs->code >> 24) & 0x7f) != 0x7)vif1Regs->stat|= VIF1_STAT_VIS; // Note: commenting this out fixes WALL-E
// spiderman doesn't break on qw boundaries // spiderman doesn't break on qw boundaries
vif1.irqoffset = transferred%4; // cannot lose the offset
if( istag ) { if( istag ) {
return -2; return -2;
@ -1873,6 +1872,7 @@ int VIF1transfer(u32 *data, int size, int istag) {
transferred = transferred >> 2; transferred = transferred >> 2;
vif1ch->madr+= (transferred << 4); vif1ch->madr+= (transferred << 4);
vif1ch->qwc-= transferred; vif1ch->qwc-= transferred;
if(vif1ch->qwc == 0 && vif1.irqoffset == 0) vif1.inprogress = 0;
//SysPrintf("Stall on vif1, FromSPR = %x, Vif1MADR = %x Sif0MADR = %x STADR = %x\n", psHu32(0x1000d010), vif1ch->madr, psHu32(0x1000c010), psHu32(DMAC_STADR)); //SysPrintf("Stall on vif1, FromSPR = %x, Vif1MADR = %x Sif0MADR = %x STADR = %x\n", psHu32(0x1000d010), vif1ch->madr, psHu32(0x1000c010), psHu32(DMAC_STADR));
return -2; return -2;
} }
@ -1885,198 +1885,13 @@ int VIF1transfer(u32 *data, int size, int istag) {
transferred = transferred >> 2; transferred = transferred >> 2;
vif1ch->madr+= (transferred << 4); vif1ch->madr+= (transferred << 4);
vif1ch->qwc-= transferred; vif1ch->qwc-= transferred;
if(vif1ch->qwc == 0 && vif1.irqoffset == 0) vif1.inprogress = 0;
} }
return 0; return 0;
} }
int _VIF1chain() { void vif1TransferFromMemory(){
u32 *pMem;
//u32 qwc = vif1ch->qwc;
u32 ret;
if (vif1ch->qwc == 0 && vif1.vifstalled == 0) return 0;
pMem = (u32*)dmaGetAddr(vif1ch->madr);
if (pMem == NULL)
return -1;
VIF_LOG("VIF1chain size=%d, madr=%lx, tadr=%lx\n",
vif1ch->qwc, vif1ch->madr, vif1ch->tadr);
if( vif1.vifstalled ) {
ret = VIF1transfer(pMem+vif1.irqoffset, vif1ch->qwc*4-vif1.irqoffset, 0);
}
else {
ret = VIF1transfer(pMem, vif1ch->qwc*4, 0);
}
/*vif1ch->madr+= (vif1ch->qwc << 4);
vif1ch->qwc-= qwc;*/
return ret;
}
static int prevvifcycles = 0;
static u32* prevviftag = NULL;
u32 *vif1ptag;
int _chainVIF1() {
int id;
int ret;
vif1ptag = (u32*)dmaGetAddr(vif1ch->tadr); //Set memory pointer to TADR
if (vif1ptag == NULL) { //Is vif0ptag empty?
SysPrintf("Vif1 Tag BUSERR\n");
vif1ch->chcr = ( vif1ch->chcr & 0xFFFF ) | ( (*vif1ptag) & 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 -1; //Return -1 as an error has occurred
}
id = (vif1ptag[0] >> 28) & 0x7; //ID for DmaChain copied from bit 28 of the tag
vif1ch->qwc = (u16)vif1ptag[0]; //QWC set to lower 16bits of the tag
vif1ch->madr = vif1ptag[1]; //MADR = ADDR field
g_vifCycles+=1; // Add 1 g_vifCycles from the QW read for the tag
vif1ch->chcr = ( vif1ch->chcr & 0xFFFF ) | ( (*vif1ptag) & 0xFFFF0000 ); //Transfer upper part of tag to CHCR bits 31-15
// Transfer dma tag if tte is set
VIF_LOG("VIF1 Tag %8.8x_%8.8x size=%d, id=%d, madr=%lx, tadr=%lx\n",
vif1ptag[1], vif1ptag[0], vif1ch->qwc, id, vif1ch->madr, vif1ch->tadr);
//} else
if (!vif1.done && (psHu32(DMAC_CTRL) & 0xC0) == 0x40 && id == 4) { // STD == VIF1
//vif1.done |= hwDmacSrcChainWithStack(vif1ch, id);
// there are still bugs, need to also check if gif->madr +16*qwc >= stadr, if not, stall
if( (vif1ch->madr + vif1ch->qwc * 16) >= psHu32(DMAC_STADR) ) {
// stalled
hwDmacIrq(13);
return 0;
}
}
if (vif1ch->chcr & 0x40) {
if(vif1.vifstalled == 1) ret = VIF1transfer(vif1ptag+(2+vif1.irqoffset), 2-vif1.irqoffset, 1); //Transfer Tag on stall
else ret = VIF1transfer(vif1ptag+2, 2, 1); //Transfer Tag
if (ret == -1) return -1; //There has been an error
if (ret == -2) {
return -2; //IRQ set by VIFTransfer
}
}
vif1.done |= hwDmacSrcChainWithStack(vif1ch, id);
ret = _VIF1chain(); //Transfers the data set by the switch
if ((vif1ch->chcr & 0x80) && (vif1ptag[0] >> 31)) { //Check TIE bit of CHCR and IRQ bit of tag
VIF_LOG( "dmaIrq Set\n" );
vif1.done = 1;
return 0; //End Transfer
}
return vif1.done;//Return Done
}
__forceinline void vif1Interrupt() {
VIF_LOG("vif1Interrupt: %8.8x\n", cpuRegs.cycle);
g_vifCycles = 0;
if(vif1.irq && vif1.tag.size == 0) {
vif1Regs->stat|= VIF1_STAT_INT;
hwIntcIrq(VIF1intc);
--vif1.irq;
if(vif1Regs->stat & (VIF1_STAT_VSS|VIF1_STAT_VIS|VIF1_STAT_VFS))
{
vif1Regs->stat&= ~0x1F000000; // FQC=0
// One game doesnt like vif stalling at end, cant remember what. Spiderman isnt keen on it tho
vif1ch->chcr &= ~0x100;
return;
}
if(vif1ch->qwc > 0 || vif1.irqoffset > 0){
if(vif1.stallontag == 1) {
_chainVIF1();
}
else _VIF1chain();//CPU_INT(13, vif1ch->qwc * BIAS);
CPU_INT(1, g_vifCycles);
return;
}
}
//}
if((vif1ch->chcr & 0x100) == 0) SysPrintf("Vif1 running when CHCR == %x\n", vif1ch->chcr);
if ((vif1ch->chcr & 0x104) == 0x104 && vif1.done == 0) {
if( !(psHu32(DMAC_CTRL) & 0x1) ) {
SysPrintf("vif1 dma masked\n");
return;
}
_chainVIF1();
CPU_INT(1, g_vifCycles);
return;
}
#ifdef PCSX2_DEVBUILD
if(vif1ch->qwc > 0) SysPrintf("VIF1 Ending with %x QWC left\n");
if(vif1.cmd != 0) SysPrintf("vif1.cmd still set %x\n", vif1.cmd);
#endif
prevviftag = NULL;
prevvifcycles = 0;
vif1ch->chcr &= ~0x100;
g_vifCycles = 0;
hwDmacIrq(DMAC_VIF1);
if(vif1Regs->mskpath3 == 0 || (vif1ch->chcr & 0x1) == 0x1)vif1Regs->stat&= ~0x1F000000; // FQC=0
}
#define spr0 ((DMACh*)&PS2MEM_HW[0xD000])
void dmaVIF1()
{
VIF_LOG("dmaVIF1 chcr = %lx, madr = %lx, qwc = %lx\n"
" tadr = %lx, asr0 = %lx, asr1 = %lx\n",
vif1ch->chcr, vif1ch->madr, vif1ch->qwc,
vif1ch->tadr, vif1ch->asr0, vif1ch->asr1 );
g_vifCycles = 0;
if (((psHu32(DMAC_CTRL) & 0xC) == 0x8)) { // VIF MFIFO
//SysPrintf("VIFMFIFO\n");
if(!(vif1ch->chcr & 0x4)) SysPrintf("MFIFO mode != Chain! %x\n", vif1ch->chcr);
if(vif1ch->madr != spr0->madr)vifMFIFOInterrupt();
return;
}
#ifdef PCSX2_DEVBUILD
if ((psHu32(DMAC_CTRL) & 0xC0) == 0x40) { // STD == VIF1
//SysPrintf("VIF Stall Control Source = %x, Drain = %x\n", (psHu32(0xe000) >> 4) & 0x3, (psHu32(0xe000) >> 6) & 0x3);
//return;
}
#endif
vif1Regs->stat|= 0x10000000; // FQC=16
if (!(vif1ch->chcr & 0x4) || vif1ch->qwc > 0) { // Normal Mode
if ((psHu32(DMAC_CTRL) & 0xC0) == 0x40) {
SysPrintf("DMA Stall Control on VIF1 normal\n");
}
if ((vif1ch->chcr & 0x1)) { // to Memory
if(_VIF1chain() == -2) {
SysPrintf("Stall on normal\n");
//vif1.vifstalled = 1;
}
CPU_INT(1, g_vifCycles);
} else {
int size; int size;
u64* pMem = (u64*)dmaGetAddr(vif1ch->madr); u64* pMem = (u64*)dmaGetAddr(vif1ch->madr);
@ -2122,11 +1937,279 @@ void dmaVIF1()
g_vifCycles += vif1ch->qwc * 2; g_vifCycles += vif1ch->qwc * 2;
vif1ch->madr += vif1ch->qwc * 16; // mgs3 scene changes vif1ch->madr += vif1ch->qwc * 16; // mgs3 scene changes
vif1ch->qwc = 0; vif1ch->qwc = 0;
CPU_INT(1, g_vifCycles); }
int _VIF1chain() {
u32 *pMem;
//u32 qwc = vif1ch->qwc;
u32 ret;
if (vif1ch->qwc == 0 && vif1.vifstalled == 0 && vif1.irqoffset == 0) {
vif1.inprogress = 0;
return 0;
} }
if(vif1.dmamode == 1){
vif1TransferFromMemory();
vif1.inprogress = 0;
return 0;
}
pMem = (u32*)dmaGetAddr(vif1ch->madr);
if (pMem == NULL)
return -1;
VIF_LOG("VIF1chain size=%d, madr=%lx, tadr=%lx\n",
vif1ch->qwc, vif1ch->madr, vif1ch->tadr);
if( vif1.vifstalled ) {
ret = VIF1transfer(pMem+vif1.irqoffset, vif1ch->qwc*4-vif1.irqoffset, 0);
}
else {
ret = VIF1transfer(pMem, vif1ch->qwc*4, 0);
}
/*vif1ch->madr+= (vif1ch->qwc << 4);
vif1ch->qwc-= qwc;*/
return ret;
}
static int prevvifcycles = 0;
static u32* prevviftag = NULL;
u32 *vif1ptag;
int _chainVIF1() {
return vif1.done;//Return Done
}
__forceinline void vif1SetupTransfer() {
switch(vif1.dmamode){
case 0: //Normal
case 1: //Normal (From memory)
vif1.inprogress = 1;
vif1.done = 1; vif1.done = 1;
break;
case 2: //Chain
int id;
int ret;
vif1ptag = (u32*)dmaGetAddr(vif1ch->tadr); //Set memory pointer to TADR
if (vif1ptag == NULL) { //Is vif0ptag empty?
SysPrintf("Vif1 Tag BUSERR\n");
vif1ch->chcr = ( vif1ch->chcr & 0xFFFF ) | ( (*vif1ptag) & 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; //Return -1 as an error has occurred
}
id = (vif1ptag[0] >> 28) & 0x7; //ID for DmaChain copied from bit 28 of the tag
vif1ch->qwc = (u16)vif1ptag[0]; //QWC set to lower 16bits of the tag
vif1ch->madr = vif1ptag[1]; //MADR = ADDR field
g_vifCycles+=1; // Add 1 g_vifCycles from the QW read for the tag
vif1ch->chcr = ( vif1ch->chcr & 0xFFFF ) | ( (*vif1ptag) & 0xFFFF0000 ); //Transfer upper part of tag to CHCR bits 31-15
// Transfer dma tag if tte is set
VIF_LOG("VIF1 Tag %8.8x_%8.8x size=%d, id=%d, madr=%lx, tadr=%lx\n",
vif1ptag[1], vif1ptag[0], vif1ch->qwc, id, vif1ch->madr, vif1ch->tadr);
//} else
if (!vif1.done && (psHu32(DMAC_CTRL) & 0xC0) == 0x40 && id == 4) { // STD == VIF1
//vif1.done |= hwDmacSrcChainWithStack(vif1ch, id);
// there are still bugs, need to also check if gif->madr +16*qwc >= stadr, if not, stall
if( (vif1ch->madr + vif1ch->qwc * 16) >= psHu32(DMAC_STADR) ) {
// stalled
hwDmacIrq(13);
return; return;
} }
}
if (vif1ch->chcr & 0x40) {
if(vif1.vifstalled == 1) ret = VIF1transfer(vif1ptag+(2+vif1.irqoffset), 2-vif1.irqoffset, 1); //Transfer Tag on stall
else ret = VIF1transfer(vif1ptag+2, 2, 1); //Transfer Tag
if (ret == -1) return; //There has been an error
if (ret == -2) {
return; //IRQ set by VIFTransfer
}
}
vif1.inprogress = 1;
vif1.done |= hwDmacSrcChainWithStack(vif1ch, id);
if ((vif1ch->chcr & 0x80) && (vif1ptag[0] >> 31)) { //Check TIE bit of CHCR and IRQ bit of tag
VIF_LOG( "dmaIrq Set\n" );
vif1.done = 1;
return; //End Transfer
}
break;
}
}
__forceinline void vif1Interrupt() {
VIF_LOG("vif1Interrupt: %8.8x\n", cpuRegs.cycle);
g_vifCycles = 0;
//}
if((vif1ch->chcr & 0x100) == 0) SysPrintf("Vif1 running when CHCR == %x\n", vif1ch->chcr);
if(vif1.inprogress == 1) _VIF1chain();
if(vif1.irq && vif1.tag.size == 0)
{
vif1Regs->stat|= VIF1_STAT_INT;
hwIntcIrq(VIF1intc);
--vif1.irq;
if(vif1Regs->stat & (VIF1_STAT_VSS|VIF1_STAT_VIS|VIF1_STAT_VFS))
{
vif1Regs->stat&= ~0x1F000000; // FQC=0
// One game doesnt like vif stalling at end, cant remember what. Spiderman isnt keen on it tho
vif1ch->chcr &= ~0x100;
return;
}
else if(vif1ch->qwc > 0 || vif1.irqoffset > 0)
{
if(vif1.stallontag == 1)
{
vif1SetupTransfer();
}
else _VIF1chain();//CPU_INT(13, vif1ch->qwc * BIAS);
}
}
if (vif1.done == 0 || vif1.inprogress == 1) {
if( !(psHu32(DMAC_CTRL) & 0x1) ) {
SysPrintf("vif1 dma masked\n");
return;
}
//_chainVIF1();
if(vif1.inprogress == 0)vif1SetupTransfer();
CPU_INT(1, vif1ch->qwc * BIAS);
return;
}
#ifdef PCSX2_DEVBUILD
if(vif1ch->qwc > 0) SysPrintf("VIF1 Ending with %x QWC left\n");
if(vif1.cmd != 0) SysPrintf("vif1.cmd still set %x\n", vif1.cmd);
#endif
prevviftag = NULL;
prevvifcycles = 0;
vif1ch->chcr &= ~0x100;
g_vifCycles = 0;
hwDmacIrq(DMAC_VIF1);
if(vif1Regs->mskpath3 == 0 || (vif1ch->chcr & 0x1) == 0x1)vif1Regs->stat&= ~0x1F000000; // FQC=0
}
#define spr0 ((DMACh*)&PS2MEM_HW[0xD000])
void dmaVIF1()
{
VIF_LOG("dmaVIF1 chcr = %lx, madr = %lx, qwc = %lx\n"
" tadr = %lx, asr0 = %lx, asr1 = %lx\n",
vif1ch->chcr, vif1ch->madr, vif1ch->qwc,
vif1ch->tadr, vif1ch->asr0, vif1ch->asr1 );
g_vifCycles = 0;
vif1.inprogress = 0;
if (((psHu32(DMAC_CTRL) & 0xC) == 0x8)) { // VIF MFIFO
//SysPrintf("VIFMFIFO\n");
if(!(vif1ch->chcr & 0x4)) SysPrintf("MFIFO mode != Chain! %x\n", vif1ch->chcr);
/*if(vif1ch->madr != spr0->madr)*/vifMFIFOInterrupt();
//else vif1.inprogress |= 0x10;
return;
}
#ifdef PCSX2_DEVBUILD
if ((psHu32(DMAC_CTRL) & 0xC0) == 0x40) { // STD == VIF1
//SysPrintf("VIF Stall Control Source = %x, Drain = %x\n", (psHu32(0xe000) >> 4) & 0x3, (psHu32(0xe000) >> 6) & 0x3);
//return;
}
#endif
vif1Regs->stat|= 0x10000000; // FQC=16
if (!(vif1ch->chcr & 0x4) || vif1ch->qwc > 0) { // Normal Mode
if ((psHu32(DMAC_CTRL) & 0xC0) == 0x40) {
SysPrintf("DMA Stall Control on VIF1 normal\n");
}
if ((vif1ch->chcr & 0x1)) { // to Memory
/*if(_VIF1chain() == -2) {
SysPrintf("Stall on normal\n");
//vif1.vifstalled = 1;
}
CPU_INT(1, g_vifCycles);*/
vif1.dmamode = 0;
} else {
vif1.dmamode = 1;
/*int size;
u64* pMem = (u64*)dmaGetAddr(vif1ch->madr);
// VIF from gsMemory
if (pMem == NULL) { //Is vif0ptag empty?
SysPrintf("Vif1 Tag BUSERR\n");
psHu32(DMAC_STAT)|= 1<<15; //If yes, set BEIS (BUSERR) in DMAC_STAT register
vif1.done = 1;
vif1Regs->stat&= ~0x1f000000;
vif1ch->qwc = 0;
CPU_INT(1, 0);
return; //Return -1 as an error has occurred
}
// MTGS concerns: The MTGS is inherently disagreeable with the idea of downloading
// stuff from the GS. The *only* way to handle this case safely is to flush the GS
// completely and execute the transfer there-after.
FreezeXMMRegs(1);
if( GSreadFIFO2 == NULL ) {
for (size=vif1ch->qwc; size>0; --size) {
if (size > 1 ) {
mtgsWaitGS();
GSreadFIFO((u64*)&PS2MEM_HW[0x5000]);
}
pMem[0] = psHu64(0x5000);
pMem[1] = psHu64(0x5008); pMem+= 2;
}
}
else {
mtgsWaitGS();
GSreadFIFO2(pMem, vif1ch->qwc);
// set incase read
psHu64(0x5000) = pMem[2*vif1ch->qwc-2];
psHu64(0x5008) = pMem[2*vif1ch->qwc-1];
}
FreezeXMMRegs(0);
if(vif1Regs->mskpath3 == 0)vif1Regs->stat&= ~0x1f000000;
g_vifCycles += vif1ch->qwc * 2;
vif1ch->madr += vif1ch->qwc * 16; // mgs3 scene changes
vif1ch->qwc = 0;
CPU_INT(1, g_vifCycles);*/
}
/*vif1.done = 1;
return;*/
} else vif1.dmamode = 2;
// Chain Mode // Chain Mode
vif1.done = 0; vif1.done = 0;
@ -2154,6 +2237,7 @@ void vif1Write32(u32 mem, u32 value) {
psHu64(0x10005008) = 0; psHu64(0x10005008) = 0;
vif1.done = 1; vif1.done = 1;
vif1Regs->err = 0; vif1Regs->err = 0;
vif1.inprogress = 0;
vif1Regs->stat&= ~(0x1F800000|VIF1_STAT_INT|VIF1_STAT_VSS|VIF1_STAT_VIS|VIF1_STAT_VFS|VIF1_STAT_VPS); // FQC=0 vif1Regs->stat&= ~(0x1F800000|VIF1_STAT_INT|VIF1_STAT_VSS|VIF1_STAT_VIS|VIF1_STAT_VFS|VIF1_STAT_VPS); // FQC=0
} }
if (value & 0x2) { if (value & 0x2) {
@ -2192,15 +2276,18 @@ void vif1Write32(u32 mem, u32 value) {
g_vifCycles = 0; g_vifCycles = 0;
// loop necessary for spiderman // loop necessary for spiderman
if((psHu32(DMAC_CTRL) & 0xC) == 0x8){ if((psHu32(DMAC_CTRL) & 0xC) == 0x8){
//SysPrintf("MFIFO Stall\n");
CPU_INT(10, 0);
}else {
if(vif1.stallontag == 1){
//SysPrintf("Sorting VIF Stall on tag\n");
_chainVIF1();
} else _VIF1chain();
CPU_INT(1, g_vifCycles); // Gets the timing right - Flatout //SysPrintf("MFIFO Stall\n");
//CPU_INT(10, 0);
CPU_INT(10, vif1ch->qwc * BIAS);
}else {
/*if(vif1.stallontag == 1){
//SysPrintf("Sorting VIF Stall on tag\n");
vif1SetupTransfer();
} *///else _VIF1chain();
//CPU_INT(1, g_vifCycles); // Gets the timing right - Flatout
CPU_INT(1, vif1ch->qwc * BIAS);
} }
vif1ch->chcr |= 0x100; vif1ch->chcr |= 0x100;
} }

2
pcsx2/VifDma.h
View File

@ -40,6 +40,8 @@ struct vifStruct {
u8 irqoffset; // 32bit offset where next vif code is u8 irqoffset; // 32bit offset where next vif code is
u32 savedtag; // need this for backwards compat with save states u32 savedtag; // need this for backwards compat with save states
u32 vifpacketsize; u32 vifpacketsize;
u8 inprogress;
u8 dmamode;
}; };
extern vifStruct vif0, vif1; extern vifStruct vif0, vif1;