JKRAramHeap.h

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#ifndef JKRARAMHEAP_H
#define JKRARAMHEAP_H
 
#include "JSystem/JKernel/JKRAramBlock.h"
#include "JSystem/JKernel/JKRDisposer.h"
#include "dolphin/os/OSMutex.h"
 
class JKRAramHeap : public JKRDisposer {
public:
    enum EAllocMode {
        HEAD = 0,
        TAIL = 1,
    };
 
public:
    // TODO: fix type
    static JSUList<JKRAramBlock> sAramList;
 
    JKRAramHeap(u32, u32);
    virtual ~JKRAramHeap();
 
    JKRAramBlock* alloc(u32, EAllocMode);
    JKRAramBlock* allocFromHead(u32);
    JKRAramBlock* allocFromTail(u32);
    u32 getFreeSize(void);
    u32 getTotalFreeSize(void);
    // u32 getUsedSize(void);
    void dump(void);
    void free(JKRAramBlock *block) {
        delete block;
    }
 
    u8 getCurrentGroupID() const { return mGroupId; }
 
    JKRHeap* getMgrHeap() const { return mHeap; }
 
private:
    void lock() { OSLockMutex(&mMutex); }
 
    void unlock() { OSUnlockMutex(&mMutex); }
 
public:
    /* 0x00 */  // vtable
    /* 0x04 */  // JKRDisposer
    /* 0x18 */ OSMutex mMutex;
    /* 0x30 */ JKRHeap* mHeap;
    /* 0x34 */ u32 mHeadAddress;
    /* 0x38 */ u32 mTailAddress;
    /* 0x3C */ u32 mSize;
    /* 0x40 */ u8 mGroupId;
    /* 0x41 */ u8 padding_0x41[3];
};
 
#endif /* JKRARAMHEAP_H */