mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-08-19 15:18:43 +02:00
227 lines
7.3 KiB
C#
227 lines
7.3 KiB
C#
using System;
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namespace Ryujinx.Memory
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{
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public static class MemoryManagement
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{
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public static IntPtr Allocate(ulong size)
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{
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if (OperatingSystem.IsWindows())
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{
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return MemoryManagementWindows.Allocate((IntPtr)size);
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}
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else if (OperatingSystem.IsLinux() || OperatingSystem.IsMacOS())
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{
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return MemoryManagementUnix.Allocate(size);
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}
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else
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{
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throw new PlatformNotSupportedException();
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}
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}
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public static IntPtr Reserve(ulong size, bool viewCompatible, bool force4KBMap)
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{
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if (OperatingSystem.IsWindows())
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{
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return MemoryManagementWindows.Reserve((IntPtr)size, viewCompatible, force4KBMap);
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}
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else if (OperatingSystem.IsLinux() || OperatingSystem.IsMacOS())
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{
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return MemoryManagementUnix.Reserve(size);
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}
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else
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{
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throw new PlatformNotSupportedException();
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}
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}
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public static bool Commit(IntPtr address, ulong size)
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{
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if (OperatingSystem.IsWindows())
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{
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return MemoryManagementWindows.Commit(address, (IntPtr)size);
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}
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else if (OperatingSystem.IsLinux() || OperatingSystem.IsMacOS())
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{
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return MemoryManagementUnix.Commit(address, size);
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}
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else
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{
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throw new PlatformNotSupportedException();
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}
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}
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public static bool Decommit(IntPtr address, ulong size)
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{
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if (OperatingSystem.IsWindows())
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{
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return MemoryManagementWindows.Decommit(address, (IntPtr)size);
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}
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else if (OperatingSystem.IsLinux() || OperatingSystem.IsMacOS())
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{
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return MemoryManagementUnix.Decommit(address, size);
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}
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else
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{
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throw new PlatformNotSupportedException();
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}
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}
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public static void MapView(IntPtr sharedMemory, ulong srcOffset, IntPtr address, ulong size, MemoryBlock owner)
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{
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if (OperatingSystem.IsWindows())
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{
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if (owner.ForceWindows4KBView)
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{
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MemoryManagementWindows.MapView4KB(sharedMemory, srcOffset, address, (IntPtr)size);
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}
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else
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{
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MemoryManagementWindows.MapView(sharedMemory, srcOffset, address, (IntPtr)size, owner);
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}
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}
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else if (OperatingSystem.IsLinux() || OperatingSystem.IsMacOS())
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{
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MemoryManagementUnix.MapView(sharedMemory, srcOffset, address, size);
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}
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else
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{
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throw new PlatformNotSupportedException();
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}
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}
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public static void UnmapView(IntPtr sharedMemory, IntPtr address, ulong size, MemoryBlock owner)
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{
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if (OperatingSystem.IsWindows())
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{
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if (owner.ForceWindows4KBView)
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{
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MemoryManagementWindows.UnmapView4KB(address, (IntPtr)size);
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}
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else
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{
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MemoryManagementWindows.UnmapView(sharedMemory, address, (IntPtr)size, owner);
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}
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}
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else if (OperatingSystem.IsLinux() || OperatingSystem.IsMacOS())
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{
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MemoryManagementUnix.UnmapView(address, size);
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}
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else
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{
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throw new PlatformNotSupportedException();
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}
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}
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public static void Reprotect(IntPtr address, ulong size, MemoryPermission permission, bool forView, bool force4KBMap, bool throwOnFail)
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{
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bool result;
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if (OperatingSystem.IsWindows())
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{
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if (forView && force4KBMap)
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{
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result = MemoryManagementWindows.Reprotect4KB(address, (IntPtr)size, permission, forView);
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}
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else
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{
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result = MemoryManagementWindows.Reprotect(address, (IntPtr)size, permission, forView);
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}
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}
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else if (OperatingSystem.IsLinux() || OperatingSystem.IsMacOS())
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{
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result = MemoryManagementUnix.Reprotect(address, size, permission);
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}
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else
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{
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throw new PlatformNotSupportedException();
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}
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if (!result && throwOnFail)
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{
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throw new MemoryProtectionException(permission);
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}
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}
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public static bool Free(IntPtr address, ulong size, bool force4KBMap)
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{
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if (OperatingSystem.IsWindows())
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{
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return MemoryManagementWindows.Free(address, (IntPtr)size, force4KBMap);
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}
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else if (OperatingSystem.IsLinux() || OperatingSystem.IsMacOS())
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{
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return MemoryManagementUnix.Free(address);
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}
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else
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{
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throw new PlatformNotSupportedException();
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}
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}
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public static IntPtr CreateSharedMemory(ulong size, bool reserve)
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{
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if (OperatingSystem.IsWindows())
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{
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return MemoryManagementWindows.CreateSharedMemory((IntPtr)size, reserve);
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}
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else if (OperatingSystem.IsLinux() || OperatingSystem.IsMacOS())
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{
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return MemoryManagementUnix.CreateSharedMemory(size, reserve);
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}
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else
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{
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throw new PlatformNotSupportedException();
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}
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}
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public static void DestroySharedMemory(IntPtr handle)
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{
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if (OperatingSystem.IsWindows())
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{
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MemoryManagementWindows.DestroySharedMemory(handle);
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}
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else if (OperatingSystem.IsLinux() || OperatingSystem.IsMacOS())
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{
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MemoryManagementUnix.DestroySharedMemory(handle);
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}
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else
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{
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throw new PlatformNotSupportedException();
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}
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}
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public static IntPtr MapSharedMemory(IntPtr handle, ulong size)
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{
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if (OperatingSystem.IsWindows())
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{
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return MemoryManagementWindows.MapSharedMemory(handle);
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}
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else if (OperatingSystem.IsLinux() || OperatingSystem.IsMacOS())
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{
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return MemoryManagementUnix.MapSharedMemory(handle, size);
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}
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else
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{
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throw new PlatformNotSupportedException();
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}
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}
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public static void UnmapSharedMemory(IntPtr address, ulong size)
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{
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if (OperatingSystem.IsWindows())
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{
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MemoryManagementWindows.UnmapSharedMemory(address);
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}
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else if (OperatingSystem.IsLinux() || OperatingSystem.IsMacOS())
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{
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MemoryManagementUnix.UnmapSharedMemory(address, size);
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}
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else
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{
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throw new PlatformNotSupportedException();
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}
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}
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}
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} |