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41 lines
845 B
C++
41 lines
845 B
C++
// Copyright 2008 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#pragma once
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#include <cstddef>
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#ifdef _WIN32
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#include <windows.h>
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#endif
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#include "Common/CommonTypes.h"
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namespace Common
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{
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// This class lets you create a block of anonymous RAM, and then arbitrarily map views into it.
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// Multiple views can mirror the same section of the block, which makes it very convenient for
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// emulating
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// memory mirrors.
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class MemArena
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{
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public:
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void GrabSHMSegment(size_t size);
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void ReleaseSHMSegment();
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void* CreateView(s64 offset, size_t size, void* base = nullptr);
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void ReleaseView(void* view, size_t size);
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// This finds 1 GB in 32-bit, 16 GB in 64-bit.
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static u8* FindMemoryBase();
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private:
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#ifdef _WIN32
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HANDLE hMemoryMapping;
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#else
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int fd;
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#endif
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};
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} // namespace Common
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