7ada357b2d
memory.cpp/h contains definitions related to acessing memory and configuring the address space mem_map.cpp/h contains higher-level definitions related to configuring the address space accoording to the kernel and allocating memory.
49 lines
1.4 KiB
C++
49 lines
1.4 KiB
C++
// Copyright 2014 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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namespace Memory {
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extern u8* g_exefs_code; ///< ExeFS:/.code is loaded here
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extern u8* g_heap; ///< Application heap (main memory)
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extern u8* g_shared_mem; ///< Shared memory
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extern u8* g_heap_linear; ///< Linear heap (main memory)
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extern u8* g_vram; ///< Video memory (VRAM)
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extern u8* g_dsp_mem; ///< DSP memory
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extern u8* g_tls_mem; ///< TLS memory
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void Init();
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void Shutdown();
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/**
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* Maps a block of memory on the heap
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* @param size Size of block in bytes
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* @param operation Memory map operation type
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* @param permissions Memory allocation permissions
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*/
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u32 MapBlock_Heap(u32 size, u32 operation, u32 permissions);
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/**
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* Maps a block of memory on the GSP heap
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* @param size Size of block in bytes
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* @param operation Memory map operation type
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* @param permissions Control memory permissions
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*/
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u32 MapBlock_HeapLinear(u32 size, u32 operation, u32 permissions);
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/**
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* Converts a virtual address inside a region with 1:1 mapping to physical memory to a physical
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* address. This should be used by services to translate addresses for use by the hardware.
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*/
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PAddr VirtualToPhysicalAddress(VAddr addr);
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/**
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* Undoes a mapping performed by VirtualToPhysicalAddress().
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*/
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VAddr PhysicalToVirtualAddress(PAddr addr);
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} // namespace
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