diff options
Diffstat (limited to 'src/Ryujinx.HLE/HOS/Kernel/Memory')
| -rw-r--r-- | src/Ryujinx.HLE/HOS/Kernel/Memory/AddressSpaceType.cs | 10 | ||||
| -rw-r--r-- | src/Ryujinx.HLE/HOS/Kernel/Memory/KPageTableBase.cs | 66 |
2 files changed, 41 insertions, 35 deletions
diff --git a/src/Ryujinx.HLE/HOS/Kernel/Memory/AddressSpaceType.cs b/src/Ryujinx.HLE/HOS/Kernel/Memory/AddressSpaceType.cs deleted file mode 100644 index 8dfa4303..00000000 --- a/src/Ryujinx.HLE/HOS/Kernel/Memory/AddressSpaceType.cs +++ /dev/null @@ -1,10 +0,0 @@ -namespace Ryujinx.HLE.HOS.Kernel.Memory -{ - enum AddressSpaceType - { - Addr32Bits = 0, - Addr36Bits = 1, - Addr32BitsNoMap = 2, - Addr39Bits = 3, - } -} diff --git a/src/Ryujinx.HLE/HOS/Kernel/Memory/KPageTableBase.cs b/src/Ryujinx.HLE/HOS/Kernel/Memory/KPageTableBase.cs index 58bbc0db..bf2bbb97 100644 --- a/src/Ryujinx.HLE/HOS/Kernel/Memory/KPageTableBase.cs +++ b/src/Ryujinx.HLE/HOS/Kernel/Memory/KPageTableBase.cs @@ -58,11 +58,10 @@ 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; } + public ulong AliasRegionExtraSize { get; private set; } private readonly KMemoryBlockManager _blockManager; @@ -98,30 +97,21 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory _reservedAddressSpaceSize = reservedAddressSpaceSize; } - private static readonly int[] _addrSpaceSizes = { 32, 36, 32, 39 }; - public Result InitializeForProcess( - AddressSpaceType addrSpaceType, - bool aslrEnabled, + ProcessCreationFlags flags, bool fromBack, MemoryRegion memRegion, ulong address, ulong size, KMemoryBlockSlabManager slabManager) { - if ((uint)addrSpaceType > (uint)AddressSpaceType.Addr39Bits) - { - throw new ArgumentException($"AddressSpaceType bigger than {(uint)AddressSpaceType.Addr39Bits}: {(uint)addrSpaceType}", nameof(addrSpaceType)); - } - _contextId = Context.ContextIdManager.GetId(); ulong addrSpaceBase = 0; - ulong addrSpaceSize = 1UL << _addrSpaceSizes[(int)addrSpaceType]; + ulong addrSpaceSize = 1UL << GetAddressSpaceWidth(flags); Result result = CreateUserAddressSpace( - addrSpaceType, - aslrEnabled, + flags, fromBack, addrSpaceBase, addrSpaceSize, @@ -138,6 +128,22 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory return result; } + private static int GetAddressSpaceWidth(ProcessCreationFlags flags) + { + switch (flags & ProcessCreationFlags.AddressSpaceMask) + { + case ProcessCreationFlags.AddressSpace32Bit: + case ProcessCreationFlags.AddressSpace32BitWithoutAlias: + return 32; + case ProcessCreationFlags.AddressSpace64BitDeprecated: + return 36; + case ProcessCreationFlags.AddressSpace64Bit: + return 39; + } + + throw new ArgumentException($"Invalid process flags {flags}", nameof(flags)); + } + private struct Region { public ulong Start; @@ -147,8 +153,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory } private Result CreateUserAddressSpace( - AddressSpaceType addrSpaceType, - bool aslrEnabled, + ProcessCreationFlags flags, bool fromBack, ulong addrSpaceStart, ulong addrSpaceEnd, @@ -168,9 +173,11 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory ulong stackAndTlsIoStart; ulong stackAndTlsIoEnd; - switch (addrSpaceType) + AliasRegionExtraSize = 0; + + switch (flags & ProcessCreationFlags.AddressSpaceMask) { - case AddressSpaceType.Addr32Bits: + case ProcessCreationFlags.AddressSpace32Bit: aliasRegion.Size = 0x40000000; heapRegion.Size = 0x40000000; stackRegion.Size = 0; @@ -183,7 +190,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory stackAndTlsIoEnd = 0x40000000; break; - case AddressSpaceType.Addr36Bits: + case ProcessCreationFlags.AddressSpace64BitDeprecated: aliasRegion.Size = 0x180000000; heapRegion.Size = 0x180000000; stackRegion.Size = 0; @@ -196,7 +203,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory stackAndTlsIoEnd = 0x80000000; break; - case AddressSpaceType.Addr32BitsNoMap: + case ProcessCreationFlags.AddressSpace32BitWithoutAlias: aliasRegion.Size = 0; heapRegion.Size = 0x80000000; stackRegion.Size = 0; @@ -209,7 +216,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory stackAndTlsIoEnd = 0x40000000; break; - case AddressSpaceType.Addr39Bits: + case ProcessCreationFlags.AddressSpace64Bit: if (_reservedAddressSpaceSize < addrSpaceEnd) { int addressSpaceWidth = (int)ulong.Log2(_reservedAddressSpaceSize); @@ -218,8 +225,8 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory heapRegion.Size = 0x180000000; stackRegion.Size = 1UL << (addressSpaceWidth - 8); tlsIoRegion.Size = 1UL << (addressSpaceWidth - 3); - CodeRegionStart = BitUtils.AlignDown<ulong>(address, RegionAlignment); - codeRegionSize = BitUtils.AlignUp<ulong>(endAddr, RegionAlignment) - CodeRegionStart; + CodeRegionStart = BitUtils.AlignDown(address, RegionAlignment); + codeRegionSize = BitUtils.AlignUp(endAddr, RegionAlignment) - CodeRegionStart; stackAndTlsIoStart = 0; stackAndTlsIoEnd = 0; AslrRegionStart = 0x8000000; @@ -239,9 +246,16 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory stackAndTlsIoStart = 0; stackAndTlsIoEnd = 0; } + + if (flags.HasFlag(ProcessCreationFlags.EnableAliasRegionExtraSize)) + { + AliasRegionExtraSize = addrSpaceEnd / 8; + aliasRegion.Size += AliasRegionExtraSize; + } break; + default: - throw new ArgumentException($"AddressSpaceType bigger than {(uint)AddressSpaceType.Addr39Bits}: {(uint)addrSpaceType}", nameof(addrSpaceType)); + throw new ArgumentException($"Invalid process flags {flags}", nameof(flags)); } CodeRegionEnd = CodeRegionStart + codeRegionSize; @@ -266,6 +280,8 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory ulong aslrMaxOffset = mapAvailableSize - mapTotalSize; + bool aslrEnabled = flags.HasFlag(ProcessCreationFlags.EnableAslr); + _aslrEnabled = aslrEnabled; AddrSpaceStart = addrSpaceStart; @@ -725,7 +741,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory { address = 0; - if (size > HeapRegionEnd - HeapRegionStart) + if (size > HeapRegionEnd - HeapRegionStart || size > _heapCapacity) { return KernelResult.OutOfMemory; } |