Support memory aliasing (#2954)
* Back to the origins: Make memory manager take guest PA rather than host address once again * Direct mapping with alias support on Windows * Fixes and remove more of the emulated shared memory * Linux support * Make shared and transfer memory not depend on SharedMemoryStorage * More efficient view mapping on Windows (no more restricted to 4KB pages at a time) * Handle potential access violations caused by partial unmap * Implement host mapping using shared memory on Linux * Add new GetPhysicalAddressChecked method, used to ensure the virtual address is mapped before address translation Also align GetRef behaviour with software memory manager * We don't need a mirrorable memory block for software memory manager mode * Disable memory aliasing tests while we don't have shared memory support on Mac * Shared memory & SIGBUS handler for macOS * Fix typo + nits + re-enable memory tests * Set MAP_JIT_DARWIN on x86 Mac too * Add back the address space mirror * Only set MAP_JIT_DARWIN if we are mapping as executable * Disable aliasing tests again (still fails on Mac) * Fix UnmapView4KB (by not casting size to int) * Use ref counting on memory blocks to delay closing the shared memory handle until all blocks using it are disposed * Address PR feedback * Make RO hold a reference to the guest process memory manager to avoid early disposal Co-authored-by: nastys <nastys@users.noreply.github.com>
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@ -1,5 +1,6 @@
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using Ryujinx.Audio.Backends.CompatLayer;
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using Ryujinx.Audio.Integration;
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using Ryujinx.Common.Configuration;
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using Ryujinx.Graphics.Gpu;
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using Ryujinx.HLE.FileSystem;
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using Ryujinx.HLE.HOS;
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@ -48,8 +49,12 @@ namespace Ryujinx.HLE
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FileSystem = Configuration.VirtualFileSystem;
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UiHandler = Configuration.HostUiHandler;
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MemoryAllocationFlags memoryAllocationFlags = configuration.MemoryManagerMode == MemoryManagerMode.SoftwarePageTable
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? MemoryAllocationFlags.Reserve
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: MemoryAllocationFlags.Reserve | MemoryAllocationFlags.Mirrorable;
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AudioDeviceDriver = new CompatLayerHardwareDeviceDriver(Configuration.AudioDeviceDriver);
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Memory = new MemoryBlock(Configuration.MemoryConfiguration.ToDramSize(), MemoryAllocationFlags.Reserve);
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Memory = new MemoryBlock(Configuration.MemoryConfiguration.ToDramSize(), memoryAllocationFlags);
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Gpu = new GpuContext(Configuration.GpuRenderer);
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System = new Horizon(this);
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Statistics = new PerformanceStatistics();
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