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.
50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
// Copyright 2014 Citra Emulator Project
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#pragma once
|
|
|
|
#include "common/common_types.h"
|
|
|
|
namespace Memory {
|
|
|
|
extern u8* g_exefs_code; ///< ExeFS:/.code is loaded here
|
|
extern u8* g_heap; ///< Application heap (main memory)
|
|
extern u8* g_shared_mem; ///< Shared memory
|
|
extern u8* g_heap_linear; ///< Linear heap (main memory)
|
|
extern u8* g_vram; ///< Video memory (VRAM)
|
|
extern u8* g_dsp_mem; ///< DSP memory
|
|
extern u8* g_tls_mem; ///< TLS memory
|
|
|
|
void Init();
|
|
void Shutdown();
|
|
|
|
/**
|
|
* Maps a block of memory on the heap
|
|
* @param size Size of block in bytes
|
|
* @param operation Memory map operation type
|
|
* @param permissions Memory allocation permissions
|
|
*/
|
|
u32 MapBlock_Heap(u32 size, u32 operation, u32 permissions);
|
|
|
|
/**
|
|
* Maps a block of memory on the GSP heap
|
|
* @param size Size of block in bytes
|
|
* @param operation Memory map operation type
|
|
* @param permissions Control memory permissions
|
|
*/
|
|
u32 MapBlock_HeapLinear(u32 size, u32 operation, u32 permissions);
|
|
|
|
/**
|
|
* Converts a virtual address inside a region with 1:1 mapping to physical memory to a physical
|
|
* address. This should be used by services to translate addresses for use by the hardware.
|
|
*/
|
|
PAddr VirtualToPhysicalAddress(VAddr addr);
|
|
|
|
/**
|
|
* Undoes a mapping performed by VirtualToPhysicalAddress().
|
|
*/
|
|
VAddr PhysicalToVirtualAddress(PAddr addr);
|
|
|
|
} // namespace
|