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Memory: Properly cleanup & shutdown.

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This commit is contained in:
bunnei 2015-04-27 21:59:06 -04:00
parent 28df8dbfeb
commit bbabed8e98
3 changed files with 56 additions and 34 deletions
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63
src/core/mem_map.cpp
View file

@ -11,30 +11,30 @@
namespace Memory {
u8* g_base = nullptr; ///< The base pointer to the auto-mirrored arena.
u8* g_base; ///< The base pointer to the auto-mirrored arena.
static MemArena arena; ///< The MemArena class
static MemArena arena; ///< The MemArena class
u8* g_exefs_code = nullptr; ///< ExeFS:/.code is loaded here
u8* g_system_mem = nullptr; ///< System memory
u8* g_heap = nullptr; ///< Application heap (main memory)
u8* g_heap_linear = nullptr; ///< Linear heap
u8* g_vram = nullptr; ///< Video memory (VRAM) pointer
u8* g_shared_mem = nullptr; ///< Shared memory
u8* g_dsp_mem = nullptr; ///< DSP memory
u8* g_kernel_mem; ///< Kernel memory
u8* g_exefs_code; ///< ExeFS:/.code is loaded here
u8* g_system_mem; ///< System memory
u8* g_heap; ///< Application heap (main memory)
u8* g_heap_linear; ///< Linear heap
u8* g_vram; ///< Video memory (VRAM) pointer
u8* g_shared_mem; ///< Shared memory
u8* g_dsp_mem; ///< DSP memory
u8* g_kernel_mem; ///< Kernel memory
static u8* physical_bootrom = nullptr; ///< Bootrom physical memory
static u8* uncached_bootrom = nullptr;
static u8* physical_bootrom; ///< Bootrom physical memory
static u8* uncached_bootrom;
static u8* physical_exefs_code = nullptr; ///< Phsical ExeFS:/.code is loaded here
static u8* physical_system_mem = nullptr; ///< System physical memory
static u8* physical_fcram = nullptr; ///< Main physical memory (FCRAM)
static u8* physical_heap_gsp = nullptr; ///< GSP heap physical memory
static u8* physical_vram = nullptr; ///< Video physical memory (VRAM)
static u8* physical_shared_mem = nullptr; ///< Physical shared memory
static u8* physical_dsp_mem = nullptr; ///< Physical DSP memory
static u8* physical_kernel_mem; ///< Kernel memory
static u8* physical_exefs_code; ///< Phsical ExeFS:/.code is loaded here
static u8* physical_system_mem; ///< System physical memory
static u8* physical_fcram; ///< Main physical memory (FCRAM)
static u8* physical_heap_gsp; ///< GSP heap physical memory
static u8* physical_vram; ///< Video physical memory (VRAM)
static u8* physical_shared_mem; ///< Physical shared memory
static u8* physical_dsp_mem; ///< Physical DSP memory
static u8* physical_kernel_mem; ///< Kernel memory
// We don't declare the IO region in here since its handled by other means.
static MemoryView g_views[] = {
@ -73,6 +73,7 @@ void Init() {
}
g_base = MemoryMap_Setup(g_views, kNumMemViews, flags, &arena);
MemBlock_Init();
LOG_DEBUG(HW_Memory, "initialized OK, RAM at %p (mirror at 0 @ %p)", g_heap,
physical_fcram);
@ -81,9 +82,29 @@ void Init() {
void Shutdown() {
u32 flags = 0;
MemoryMap_Shutdown(g_views, kNumMemViews, flags, &arena);
arena.ReleaseSpace();
MemBlock_Shutdown();
g_base = nullptr;
g_exefs_code = nullptr;
g_system_mem = nullptr;
g_heap = nullptr;
g_heap_linear = nullptr;
g_vram = nullptr;
g_shared_mem = nullptr;
g_dsp_mem = nullptr;
g_kernel_mem = nullptr;
physical_bootrom = nullptr;
uncached_bootrom = nullptr;
physical_exefs_code = nullptr;
physical_system_mem = nullptr;
physical_fcram = nullptr;
physical_heap_gsp = nullptr;
physical_vram = nullptr;
physical_shared_mem = nullptr;
physical_dsp_mem = nullptr;
physical_kernel_mem = nullptr;
LOG_DEBUG(HW_Memory, "shutdown OK");
}

6
src/core/mem_map.h
View file

@ -171,6 +171,12 @@ u32 MapBlock_Heap(u32 size, u32 operation, u32 permissions);
*/
u32 MapBlock_HeapLinear(u32 size, u32 operation, u32 permissions);
/// Initialize mapped memory blocks
void MemBlock_Init();
/// Shutdown mapped memory blocks
void MemBlock_Shutdown();
inline const char* GetCharPointer(const VAddr address) {
return (const char *)GetPointer(address);
}

21
src/core/mem_map_funcs.cpp
View file

@ -15,7 +15,6 @@ namespace Memory {
static std::map<u32, MemoryBlock> heap_map;
static std::map<u32, MemoryBlock> heap_linear_map;
static std::map<u32, MemoryBlock> shared_map;
/// Convert a physical address to virtual address
VAddr PhysicalToVirtualAddress(const PAddr addr) {
@ -185,12 +184,6 @@ u8 *GetPointer(const VAddr vaddr) {
}
}
/**
* Maps a block of memory on the heap
* @param size Size of block in bytes
* @param operation Memory map operation type
* @param flags Memory allocation flags
*/
u32 MapBlock_Heap(u32 size, u32 operation, u32 permissions) {
MemoryBlock block;
@ -208,12 +201,6 @@ u32 MapBlock_Heap(u32 size, u32 operation, u32 permissions) {
return block.GetVirtualAddress();
}
/**
* Maps a block of memory on the linear heap
* @param size Size of block in bytes
* @param operation Memory map operation type
* @param flags Memory allocation flags
*/
u32 MapBlock_HeapLinear(u32 size, u32 operation, u32 permissions) {
MemoryBlock block;
@ -231,6 +218,14 @@ u32 MapBlock_HeapLinear(u32 size, u32 operation, u32 permissions) {
return block.GetVirtualAddress();
}
void MemBlock_Init() {
}
void MemBlock_Shutdown() {
heap_map.clear();
heap_linear_map.clear();
}
u8 Read8(const VAddr addr) {
u8 data = 0;
Read<u8>(data, addr);