usbloadergx/source/memory/mem2alloc.hpp

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// MEM2 allocator
// Made as a class so i can have 2 sections, one being dedicated to the covers
#ifndef __MEM2ALLOC_HPP
#define __MEM2ALLOC_HPP
#include <ogc/mutex.h>
class CMEM2Alloc
{
public:
void *allocate(unsigned int s);
void release(void *p);
void *reallocate(void *p, unsigned int s);
void init(unsigned int size);
void init(void *addr, void *end);
void cleanup(void);
void clear(void);
static unsigned int usableSize(void *p);
void forceEndAddress(void *newAddr) { m_endAddress = (SBlock *)newAddr; }
void *getEndAddress(void) const { return m_endAddress; }
void info(void *&address, unsigned int &size) const { address = m_baseAddress; size = (const char *)m_endAddress - (const char *)m_baseAddress; }
unsigned int FreeSize();
//
CMEM2Alloc(void) : m_baseAddress(0), m_endAddress(0), m_first(0), m_mutex(0) { }
private:
struct SBlock
{
unsigned int s;
SBlock *next;
SBlock *prev;
bool f;
} __attribute__((aligned(32)));
SBlock *m_baseAddress;
SBlock *m_endAddress;
SBlock *m_first;
mutex_t m_mutex;
private:
CMEM2Alloc(const CMEM2Alloc &);
};
#endif // !defined(__MEM2ALLOC_HPP)