Function UnmapTLB

pcsx2/COP0.cpp:292–352

}

void UnmapTLB(const tlbs& t, int i)
{
	//Console.WriteLn("Clear TLB %d: %08x-> [%08x %08x] S=%d G=%d ASID=%d Mask= %03X", i,t.VPN2,t.PFN0,t.PFN1,t.S,t.G,t.ASID,t.Mask);
	u32 mask, addr;
	u32 saddr, eaddr;

	if (t.isSPR())
	{
		vtlb_VMapUnmap(t.VPN2(), 0x4000);
		return;
	}

	if (t.EntryLo0.V)
	{
		mask = ((~t.Mask()) << 1) & 0xfffff;
		saddr = t.VPN2() >> 12;
		eaddr = saddr + t.Mask() + 1;
		//	Console.WriteLn("Clear TLB: %08x ~ %08x",saddr,eaddr-1);
		for (addr = saddr; addr < eaddr; addr++)
		{
			if ((addr & mask) == ((t.VPN2() >> 12) & mask))
			{ //match
				memClearPageAddr(addr << 12);
				Cpu->Clear(addr << 12, 0x400);
			}
		}
	}

	if (t.EntryLo1.V)
	{
		mask = ((~t.Mask()) << 1) & 0xfffff;
		saddr = (t.VPN2() >> 12) + t.Mask() + 1;
		eaddr = saddr + t.Mask() + 1;
		//	Console.WriteLn("Clear TLB: %08x ~ %08x",saddr,eaddr-1);
		for (addr = saddr; addr < eaddr; addr++)
		{
			if ((addr & mask) == ((t.VPN2() >> 12) & mask))
			{ //match
				memClearPageAddr(addr << 12);
				Cpu->Clear(addr << 12, 0x400);
			}
		}
	}

	for (size_t i = 0; i < cachedTlbs.count; i++)
	{
		if (cachedTlbs.PFN0s[i] == t.PFN0() && cachedTlbs.PFN1s[i] == t.PFN1() && cachedTlbs.PageMasks[i] == ConvertPageMask(t.PageMask.UL))
		{
			for (size_t j = i; j < cachedTlbs.count - 1; j++)
			{
				cachedTlbs.CacheEnabled0[j] = cachedTlbs.CacheEnabled0[j + 1];
				cachedTlbs.CacheEnabled1[j] = cachedTlbs.CacheEnabled1[j + 1];
				cachedTlbs.PFN0s[j] = cachedTlbs.PFN0s[j + 1];
				cachedTlbs.PFN1s[j] = cachedTlbs.PFN1s[j + 1];
				cachedTlbs.PageMasks[j] = cachedTlbs.PageMasks[j + 1];
			}
			cachedTlbs.count--;
			break;