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Signal memory tracking before/after mapping into another process (#1785)
* Signal memory tracking before/after mapping into another process * Wording. * Add missing method.
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4 changed files with 19 additions and 0 deletions
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@ -1656,6 +1656,9 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
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}
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}
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// Signal a read for any resources tracking reads in the region, as the other process is likely to use their data.
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_cpuMemory.SignalMemoryTracking(addressTruncated, endAddrRounded - addressTruncated, false);
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lock (_blocks)
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{
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KernelResult result;
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@ -2036,6 +2039,8 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
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ulong endAddr = address + size;
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ulong addressRounded = BitUtils.AlignUp (address, PageSize);
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ulong addressTruncated = BitUtils.AlignDown(address, PageSize);
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ulong endAddrRounded = BitUtils.AlignUp (endAddr, PageSize);
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ulong endAddrTruncated = BitUtils.AlignDown(endAddr, PageSize);
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ulong pagesCount = addressRounded < endAddrTruncated ? (endAddrTruncated - addressRounded) / PageSize : 0;
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@ -2071,6 +2076,9 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
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return KernelResult.OutOfResource;
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}
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// Anything on the client side should see this memory as modified.
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_cpuMemory.SignalMemoryTracking(addressTruncated, endAddrRounded - addressTruncated, true);
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lock (_blocks)
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{
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foreach (KMemoryInfo info in IterateOverRange(addressRounded, endAddrTruncated))
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@ -75,6 +75,11 @@ namespace Ryujinx.Memory.Tests
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throw new NotImplementedException();
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}
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public void SignalMemoryTracking(ulong va, ulong size, bool write)
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{
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throw new NotImplementedException();
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}
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public void TrackingReprotect(ulong va, ulong size, MemoryPermission protection)
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{
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}
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@ -545,5 +545,10 @@ namespace Ryujinx.Memory
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_pageTable[l0] = null;
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}
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}
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public void SignalMemoryTracking(ulong va, ulong size, bool write)
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{
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// Only the ARM Memory Manager has tracking for now.
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}
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}
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}
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@ -23,6 +23,7 @@ namespace Ryujinx.Memory
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bool IsRangeMapped(ulong va, ulong size);
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ulong GetPhysicalAddress(ulong va);
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void SignalMemoryTracking(ulong va, ulong size, bool write);
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void TrackingReprotect(ulong va, ulong size, MemoryPermission protection);
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}
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}
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