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https://github.com/Lime3DS/Lime3DS
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0a60aa75c2
This enables more dynamic management of the process address space, compared to just directly configuring the page table for major areas. This will serve as the foundation upon which the rest of the Kernel memory management functions will be built.
36 lines
985 B
C++
36 lines
985 B
C++
// Copyright 2015 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include "common/common_types.h"
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#include "core/memory.h"
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namespace Memory {
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const u32 PAGE_MASK = PAGE_SIZE - 1;
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const int PAGE_BITS = 12;
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void InitMemoryMap();
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/**
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* Maps an allocated buffer onto a region of the emulated process address space.
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*
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* @param base The address to start mapping at. Must be page-aligned.
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* @param size The amount of bytes to map. Must be page-aligned.
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* @param target Buffer with the memory backing the mapping. Must be of length at least `size`.
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*/
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void MapMemoryRegion(VAddr base, u32 size, u8* target);
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/**
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* Maps a region of the emulated process address space as a IO region.
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* @note Currently this can only be used to mark a region as being IO, since actual memory-mapped
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* IO isn't yet supported.
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*/
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void MapIoRegion(VAddr base, u32 size);
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void UnmapRegion(VAddr base, u32 size);
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}
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