tp/include/JSystem/JKernel/JKRExpHeap.h

105 lines
4.2 KiB
C++

#ifndef JKREXPHEAP_H
#define JKREXPHEAP_H
#include "JSystem/JKernel/JKRHeap.h"
#include "dolphin/types.h"
class JKRExpHeap : public JKRHeap {
public:
class CMemBlock {
friend class JKRExpHeap;
public:
void initiate(CMemBlock*, CMemBlock*, u32, u8, u8);
JKRExpHeap::CMemBlock* allocFore(u32, u8, u8, u8, u8);
JKRExpHeap::CMemBlock* allocBack(u32, u8, u8, u8, u8);
int free(JKRExpHeap*);
static CMemBlock* getHeapBlock(void*);
void newGroupId(u8 groupId) { this->mGroupId = groupId; }
bool isValid() const { return this->mMagic == 'HM'; }
bool _isTempMemBlock() const { return (this->mFlags & 0x80) ? true : false; }
int getAlignment() const { return this->mFlags & 0x7f; }
void* getContent() const { return (void*)(this + 1); }
CMemBlock* getPrevBlock() const { return this->mPrev; }
CMemBlock* getNextBlock() const { return this->mNext; }
u32 getSize() const { return this->size; }
u8 getGroupId() const { return this->mGroupId; }
static CMemBlock* getBlock(void* data) { return (CMemBlock*)((u32)data + -0x10); }
private:
u16 mMagic;
u8 mFlags; // a|bbbbbbb a=temporary b=alignment
u8 mGroupId;
u32 size;
CMemBlock* mPrev;
CMemBlock* mNext;
};
friend class CMemBlock;
protected:
JKRExpHeap(void*, u32, JKRHeap*, bool);
virtual ~JKRExpHeap();
void* allocFromHead(u32, int);
void* allocFromHead(u32);
void* allocFromTail(u32, int);
void* allocFromTail(u32);
void appendUsedList(CMemBlock*);
void setFreeBlock(CMemBlock*, CMemBlock*, CMemBlock*);
void removeFreeBlock(CMemBlock*);
void removeUsedBlock(CMemBlock*);
void recycleFreeBlock(CMemBlock*);
void joinTwoBlocks(CMemBlock*);
public:
s32 getUsedSize(u8) const;
s32 getTotalUsedSize(void) const;
CMemBlock* getHeadUsedList() const { return mHeadUsedList; }
public:
/* vt[04] */ virtual u32 getHeapType(); /* override */
/* vt[05] */ virtual bool check(); /* override */
/* vt[06] */ virtual bool dump_sort(); /* override */
/* vt[07] */ virtual bool dump(); /* override */
/* vt[08] */ virtual void do_destroy(); /* override */
/* vt[09] */ virtual void* do_alloc(u32 size, int alignment); /* override */
/* vt[10] */ virtual void do_free(void* ptr); /* override */
/* vt[11] */ virtual void do_freeAll(); /* override */
/* vt[12] */ virtual void do_freeTail(); /* override */
/* vt[13] */ virtual void do_fillFreeArea(); /* override */
/* vt[14] */ virtual s32 do_resize(void* ptr, u32 size); /* override */
/* vt[15] */ virtual s32 do_getSize(void* ptr); /* override */
/* vt[16] */ virtual s32 do_getFreeSize(); /* override */
/* vt[17] */ virtual void* do_getMaxFreeBlock(); /* override */
/* vt[18] */ virtual s32 do_getTotalFreeSize(); /* override */
/* vt[19] */ virtual u8 do_changeGroupID(u8 newGroupID); /* override */
/* vt[20] */ virtual u8 do_getCurrentGroupId(); /* override */
/* vt[21] */ virtual void state_register(JKRHeap::TState*, u32) const; /* override */
/* vt[22] */ virtual bool state_compare(JKRHeap::TState const&,
JKRHeap::TState const&) const; /* override */
u8 field_0x6c;
u8 mCurrentGroupId;
bool field_0x6e;
private:
void* field_0x70;
u32 field_0x74;
CMemBlock* mHeadFreeList;
CMemBlock* mTailFreeList;
CMemBlock* mHeadUsedList;
CMemBlock* mTailUsedList;
public:
static JKRExpHeap* createRoot(int, bool);
static JKRExpHeap* create(u32, JKRHeap*, bool);
static JKRExpHeap* create(void*, u32, JKRHeap*, bool);
};
inline JKRExpHeap* JKRCreateExpHeap(u32 size, JKRHeap* parent, bool errorFlag) {
return JKRExpHeap::create(size, parent, errorFlag);
}
#endif /* JKREXPHEAP_H */