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Do not report unmapped pages as dirty (#1672)

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* Do not report unmapped pages as dirty

* Make tests pass again

* PR feedback
This commit is contained in:
gdkchan 2020-11-10 22:07:52 -03:00 • committed by GitHub
parent 02872833b6
commit 3c60d4b0ea
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5 changed files with 39 additions and 5 deletions
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29
Ryujinx.Cpu/MemoryManager.cs
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@ -1,4 +1,4 @@
using ARMeilleure.Memory;
using ARMeilleure.Memory;
using Ryujinx.Cpu.Tracking;
using Ryujinx.Memory;
using Ryujinx.Memory.Tracking;
@ -461,7 +461,32 @@ namespace Ryujinx.Cpu
}
/// <summary>
/// Checks if the page at a given CPU virtual address.
/// Checks if a memory range is mapped.
/// </summary>
/// <param name="va">Virtual address of the range</param>
/// <param name="size">Size of the range in bytes</param>
/// <returns>True if the entire range is mapped, false otherwise</returns>
public bool IsRangeMapped(ulong va, ulong size)
{
ulong endVa = (va + size + PageMask) & ~(ulong)PageMask;
va &= ~(ulong)PageMask;
while (va < endVa)
{
if (!IsMapped(va))
{
return false;
}
va += PageSize;
}
return true;
}
/// <summary>
/// Checks if the page at a given CPU virtual address is mapped.
/// </summary>
/// <param name="va">Virtual address to check</param>
/// <returns>True if the address is mapped, false otherwise</returns>