diff options
Diffstat (limited to 'src/Ryujinx.HLE/HOS/Kernel/Memory/KPageTableBase.cs')
| -rw-r--r-- | src/Ryujinx.HLE/HOS/Kernel/Memory/KPageTableBase.cs | 90 |
1 files changed, 50 insertions, 40 deletions
diff --git a/src/Ryujinx.HLE/HOS/Kernel/Memory/KPageTableBase.cs b/src/Ryujinx.HLE/HOS/Kernel/Memory/KPageTableBase.cs index 6746a0a7..2b00f802 100644 --- a/src/Ryujinx.HLE/HOS/Kernel/Memory/KPageTableBase.cs +++ b/src/Ryujinx.HLE/HOS/Kernel/Memory/KPageTableBase.cs @@ -12,14 +12,13 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory { abstract class KPageTableBase { - private static readonly int[] MappingUnitSizes = new int[] - { + private static readonly int[] _mappingUnitSizes = { 0x1000, 0x10000, 0x200000, 0x400000, 0x2000000, - 0x40000000 + 0x40000000, }; private const ulong RegionAlignment = 0x200000; @@ -58,7 +57,9 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory public ulong AslrRegionStart { get; private set; } public ulong AslrRegionEnd { get; private set; } +#pragma warning disable IDE0052 // Remove unread private member private ulong _heapCapacity; +#pragma warning restore IDE0052 public ulong PhysicalMemoryUsage { get; private set; } @@ -67,7 +68,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory private MemoryRegion _memRegion; private bool _allocateFromBack; - private bool _isKernel; + private readonly bool _isKernel; private bool _aslrEnabled; @@ -77,10 +78,10 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory private MersenneTwister _randomNumberGenerator; - private MemoryFillValue _heapFillValue; - private MemoryFillValue _ipcFillValue; + private readonly MemoryFillValue _heapFillValue; + private readonly MemoryFillValue _ipcFillValue; - private ulong _reservedAddressSpaceSize; + private readonly ulong _reservedAddressSpaceSize; public KPageTableBase(KernelContext context, ulong reservedAddressSpaceSize) { @@ -96,7 +97,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory _reservedAddressSpaceSize = reservedAddressSpaceSize; } - private static readonly int[] AddrSpaceSizes = new int[] { 32, 36, 32, 39 }; + private static readonly int[] _addrSpaceSizes = { 32, 36, 32, 39 }; public Result InitializeForProcess( AddressSpaceType addrSpaceType, @@ -109,13 +110,13 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory { if ((uint)addrSpaceType > (uint)AddressSpaceType.Addr39Bits) { - throw new ArgumentException(nameof(addrSpaceType)); + throw new ArgumentException($"AddressSpaceType bigger than {(uint)AddressSpaceType.Addr39Bits}: {(uint)addrSpaceType}", nameof(addrSpaceType)); } _contextId = Context.ContextIdManager.GetId(); ulong addrSpaceBase = 0; - ulong addrSpaceSize = 1UL << AddrSpaceSizes[(int)addrSpaceType]; + ulong addrSpaceSize = 1UL << _addrSpaceSizes[(int)addrSpaceType]; Result result = CreateUserAddressSpace( addrSpaceType, @@ -157,10 +158,10 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory { ulong endAddr = address + size; - Region aliasRegion = new Region(); - Region heapRegion = new Region(); - Region stackRegion = new Region(); - Region tlsIoRegion = new Region(); + Region aliasRegion = new(); + Region heapRegion = new(); + Region stackRegion = new(); + Region tlsIoRegion = new(); ulong codeRegionSize; ulong stackAndTlsIoStart; @@ -238,8 +239,8 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory stackAndTlsIoEnd = 0; } break; - - default: throw new ArgumentException(nameof(addrSpaceType)); + default: + throw new ArgumentException($"AddressSpaceType bigger than {(uint)AddressSpaceType.Addr39Bits}: {(uint)addrSpaceType}", nameof(addrSpaceType)); } CodeRegionEnd = CodeRegionStart + codeRegionSize; @@ -374,10 +375,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory private long GetRandomValue(long min, long max) { - if (_randomNumberGenerator == null) - { - _randomNumberGenerator = new MersenneTwister(0); - } + _randomNumberGenerator ??= new MersenneTwister(0); return _randomNumberGenerator.GenRandomNumber(min, max); } @@ -442,7 +440,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory lock (_blockManager) { - KPageList currentPageList = new KPageList(); + KPageList currentPageList = new(); GetPhysicalRegions(address, size, currentPageList); @@ -486,13 +484,13 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory } } - public Result MapNormalMemory(long address, long size, KMemoryPermission permission) + public static Result MapNormalMemory(long address, long size, KMemoryPermission permission) { // TODO. return Result.Success; } - public Result MapIoMemory(long address, long size, KMemoryPermission permission) + public static Result MapIoMemory(long address, long size, KMemoryPermission permission) { // TODO. return Result.Success; @@ -1174,8 +1172,8 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory return KernelResult.InvalidMemState; } - KPageList srcPageList = new KPageList(); - KPageList dstPageList = new KPageList(); + KPageList srcPageList = new(); + KPageList dstPageList = new(); srcPageTable.GetPhysicalRegions(src, size, srcPageList); GetPhysicalRegions(dst, size, dstPageList); @@ -1681,11 +1679,17 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory switch (state) { - case MemoryState.IpcBuffer0: stateMask = MemoryState.IpcSendAllowedType0; break; - case MemoryState.IpcBuffer1: stateMask = MemoryState.IpcSendAllowedType1; break; - case MemoryState.IpcBuffer3: stateMask = MemoryState.IpcSendAllowedType3; break; - - default: return KernelResult.InvalidCombination; + case MemoryState.IpcBuffer0: + stateMask = MemoryState.IpcSendAllowedType0; + break; + case MemoryState.IpcBuffer1: + stateMask = MemoryState.IpcSendAllowedType1; + break; + case MemoryState.IpcBuffer3: + stateMask = MemoryState.IpcSendAllowedType3; + break; + default: + return KernelResult.InvalidCombination; } KMemoryPermission permissionMask = permission == KMemoryPermission.ReadAndWrite @@ -1822,9 +1826,9 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory ulong va = 0; - for (int unit = MappingUnitSizes.Length - 1; unit >= 0 && va == 0; unit--) + for (int unit = _mappingUnitSizes.Length - 1; unit >= 0 && va == 0; unit--) { - int alignment = MappingUnitSizes[unit]; + int alignment = _mappingUnitSizes[unit]; va = AllocateVa(AliasRegionStart, regionPagesCount, neededPagesCount, alignment); } @@ -1937,7 +1941,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory if (srcPageTable.Supports4KBPages) { - KPageList pageList = new KPageList(); + KPageList pageList = new(); srcPageTable.GetPhysicalRegions(addressRounded, alignedSize, pageList); result = MapPages(currentVa, pageList, permission, MemoryMapFlags.None); @@ -2075,11 +2079,17 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory switch (state) { - case MemoryState.IpcBuffer0: stateMask = MemoryState.IpcSendAllowedType0; break; - case MemoryState.IpcBuffer1: stateMask = MemoryState.IpcSendAllowedType1; break; - case MemoryState.IpcBuffer3: stateMask = MemoryState.IpcSendAllowedType3; break; - - default: return KernelResult.InvalidCombination; + case MemoryState.IpcBuffer0: + stateMask = MemoryState.IpcSendAllowedType0; + break; + case MemoryState.IpcBuffer1: + stateMask = MemoryState.IpcSendAllowedType1; + break; + case MemoryState.IpcBuffer3: + stateMask = MemoryState.IpcSendAllowedType3; + break; + default: + return KernelResult.InvalidCombination; } MemoryAttribute attributeMask = @@ -2392,7 +2402,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory if (pageList != null) { - KPageList currentPageList = new KPageList(); + KPageList currentPageList = new(); GetPhysicalRegions(address, pagesCount * PageSize, currentPageList); @@ -3050,4 +3060,4 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory /// <exception cref="Ryujinx.Memory.InvalidMemoryRegionException">Throw for unhandled invalid or unmapped memory accesses</exception> protected abstract void Write(ulong va, ReadOnlySpan<byte> data); } -}
\ No newline at end of file +} |