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| author | gdkchan <gab.dark.100@gmail.com> | 2020-11-10 22:07:52 -0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-11-10 22:07:52 -0300 |
| commit | 3c60d4b0eaa54983cf8e347fb156742c925f0594 (patch) | |
| tree | b224bb0a167a45d68a07294eefd51c52e9aea4a9 /Ryujinx.Cpu | |
| parent | 02872833b6da02a20e331305caf05f722e6c8e68 (diff) | |
Do not report unmapped pages as dirty (#1672)
* Do not report unmapped pages as dirty
* Make tests pass again
* PR feedback
Diffstat (limited to 'Ryujinx.Cpu')
| -rw-r--r-- | Ryujinx.Cpu/MemoryManager.cs | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/Ryujinx.Cpu/MemoryManager.cs b/Ryujinx.Cpu/MemoryManager.cs index 26cc01c9..3fa08fe7 100644 --- a/Ryujinx.Cpu/MemoryManager.cs +++ b/Ryujinx.Cpu/MemoryManager.cs @@ -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> |