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#ifndef GUARD_NNS_FND_EXPHEAP_H
#define GUARD_NNS_FND_EXPHEAP_H
#include "NNS_FND_heapcommon.h"
typedef struct NNSiFndExpHeapMBlockHead NNSiFndExpHeapMBlockHead;
struct NNSiFndExpHeapMBlockHead
{
u16 signature; // Signature
u16 attribute; // Attribute
// [8:groupID]
// [7:alignment]
// [1:temporary flag]
u32 blockSize; // Block size (data area only)
NNSiFndExpHeapMBlockHead* pMBHeadPrev; // Previous block
NNSiFndExpHeapMBlockHead* pMBHeadNext; // Next block
};
typedef struct NNSiFndExpMBlockList NNSiFndExpMBlockList;
struct NNSiFndExpMBlockList
{
NNSiFndExpHeapMBlockHead* head; // Pointer for memory block linked to header
NNSiFndExpHeapMBlockHead* tail; // Pointer to the memory block linked to the tail of the expanded heap
};
typedef struct NNSiFndExpHeapHead NNSiFndExpHeapHead;
struct NNSiFndExpHeapHead
{
NNSiFndExpMBlockList mbFreeList; // Free list
NNSiFndExpMBlockList mbUsedList; // Used list
u16 groupID; // Current group ID (lower 8 bits only)
u16 feature; // Attribute
};
NNSFndHeapHandle NNS_FndCreateExpHeapEx(void *startAddress, u32 size, u32 optFlag);
void *NNS_FndAllocFromExpHeapEx(NNSFndHeapHandle heap, u32 size, int alignment);
void NNS_FndDestroyExpHeap(NNSFndHeapHandle heap);
void NNS_FndFreeToExpHeap(NNSFndHeapHandle heap, void *memBlock);
u32 NNS_FndGetTotalFreeSizeForExpHeap(NNSFndHeapHandle heap);
u32 NNS_FndGetSizeForMBlockExpHeap(const void *memBlock);
void NNS_FndResizeForMBlockExpHeap(NNSFndHeapHandle heap, void *memBlock, u32 size);
#define NNS_FndCreateExpHeap(startAddress, size) \
NNS_FndCreateExpHeapEx(startAddress, size, 0)
#define NNS_FndAllocFromExpHeap(heap, size) \
NNS_FndAllocFromExpHeapEx(heap, size, NNS_FND_HEAP_DEFAULT_ALIGNMENT)
#endif //GUARD_NNS_FND_EXPHEAP_H
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