void __fastcall ReadFIFO_VIF1(mem128_t* out)
{
if (vif1Regs.stat.test(VIF1_STAT_INT | VIF1_STAT_VSS | VIF1_STAT_VIS | VIF1_STAT_VFS) )
DevCon.Warning( "Reading from vif1 fifo when stalled" );
ZeroQWC(out); // Clear first in case no data gets written...
pxAssertRel(vif1Regs.stat.FQC != 0, "FQC = 0 on VIF FIFO READ!");
if (vif1Regs.stat.FDR) {
if (vif1Regs.stat.FQC > vif1.GSLastDownloadSize) {
DevCon.Warning("Warning! GS Download size < FIFO count!");
}
if (vif1Regs.stat.FQC > 0) {
GetMTGS().WaitGS();
if (GSinitReadFIFO) {
GetMTGS().SendPointerPacket(GS_RINGTYPE_INIT_READ_FIFO1, 0, out);
GetMTGS().WaitGS(false); // wait without reg sync
}
GSreadFIFO((u64*)out);
vif1.GSLastDownloadSize--;
GUNIT_LOG("ReadFIFO_VIF1");
if (vif1.GSLastDownloadSize <= 16)
gifRegs.stat.OPH = false;
vif1Regs.stat.FQC = std::min((u32)16, vif1.GSLastDownloadSize);
}
}
VIF_LOG("ReadFIFO/VIF1 -> %ls", WX_STR(out->ToString()));
}
void __fastcall ReadFIFO_VIF1(mem128_t* out)
{
if (vif1Regs.stat.test(VIF1_STAT_INT | VIF1_STAT_VSS | VIF1_STAT_VIS | VIF1_STAT_VFS) )
DevCon.Warning( "Reading from vif1 fifo when stalled" );
pxAssertRel(vif1Regs.stat.FQC != 0, "FQC = 0 on VIF FIFO READ!");
if (vif1Regs.stat.FDR)
{
if(vif1Regs.stat.FQC > vif1.GSLastDownloadSize)
{
DevCon.Warning("Warning! GS Download size < FIFO count!");
}
if (vif1Regs.stat.FQC > 0)
{
GetMTGS().WaitGS();
GSreadFIFO((u64*)out);
vif1.GSLastDownloadSize--;
if (vif1.GSLastDownloadSize <= 16)
gifRegs.stat.OPH = false;
vif1Regs.stat.FQC = min((u32)16, vif1.GSLastDownloadSize);
}
}
VIF_LOG("ReadFIFO/VIF1 -> %ls", out->ToString().c_str());
}
void HostSys::MmapResetPtr(void* base, size_t size)
{
// On linux the only way to reset the memory is to unmap and remap it as PROT_NONE.
// That forces linux to unload all committed pages and start from scratch.
// FIXME: Ideally this code would have some threading lock on it to prevent any other
// malloc/free code in the current process from interfering with the operation, but I
// can't think of any good way to do that. (generally it shouldn't be a problem in
// PCSX2 anyway, since MmapReset is only called when the ps2vm is suspended; so that
// pretty well stops all PCSX2 threads anyway).
Munmap(base, size);
void* result = MmapReservePtr(base, size);
pxAssertRel ((uptr)result == (uptr)base, pxsFmt(
"Virtual memory decommit failed: memory at 0x%08X -> 0x%08X could not be remapped. "
"This is likely caused by multi-thread memory contention.", base, (uptr)base+size
));
}
