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Add per-source type memory change tracking, simplified state change tracking, other fixes

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gdk 2019-10-26 14:50:52 -03:00 • committed by Thog
parent 1b7d955195
commit 8cba252b23
40 changed files with 494 additions and 668 deletions
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20
ARMeilleure/Memory/MemoryManager.cs
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@ -14,8 +14,6 @@ namespace ARMeilleure.Memory
public const int PageSize = 1 << PageBits;
public const int PageMask = PageSize - 1;
private const long PteFlagNotModified = 1;
internal const long PteFlagsMask = 7;
public IntPtr Ram { get; private set; }
@ -106,6 +104,11 @@ namespace ARMeilleure.Memory
ptr = (byte*)ptrUlong;
}
if (ptr == null)
{
return IntPtr.Zero;
}
return new IntPtr(ptr + (position & PageMask));
}
@ -122,10 +125,7 @@ namespace ARMeilleure.Memory
if ((ptrUlong & PteFlagsMask) != 0)
{
if ((ptrUlong & PteFlagNotModified) != 0)
{
ClearPtEntryFlag(position, PteFlagNotModified);
}
ClearPtEntryFlag(position, PteFlagsMask);
ptrUlong &= ~(ulong)PteFlagsMask;
@ -253,8 +253,10 @@ namespace ARMeilleure.Memory
return ptePtr;
}
public unsafe (ulong, ulong)[] GetModifiedRanges(ulong address, ulong size)
public unsafe (ulong, ulong)[] GetModifiedRanges(ulong address, ulong size, int id)
{
ulong idMask = 1UL << id;
List<(ulong, ulong)> ranges = new List<(ulong, ulong)>();
ulong endAddress = (address + size + PageMask) & ~(ulong)PageMask;
@ -272,12 +274,12 @@ namespace ARMeilleure.Memory
ulong ptrUlong = (ulong)ptr;
if ((ptrUlong & PteFlagNotModified) == 0)
if ((ptrUlong & idMask) == 0)
{
// Modified.
currSize += PageSize;
SetPtEntryFlag((long)address, PteFlagNotModified);
SetPtEntryFlag((long)address, (long)idMask);
}
else
{