miniOS/include/miniOS/memory.h at master · wherego/miniOS

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#ifndef __MEMORY_H

#define __MEMORY_H

typedef struct{

int addr,size;

}mem_block;

typedef struct{

int frees,maxfrees,lostsize,losts;

mem_block free[2000];

}Memory_structure;

int load_cr0(void);

void store_cr0(int cr0);

unsigned int memtest(unsigned int start, unsigned int end);

unsigned int memtest_sub(unsigned int start, unsigned int end);

void memory_init(Memory_structure *mem);

unsigned int memory_total(Memory_structure *mem);

unsigned int mem_alloc(Memory_structure *mem,unsigned int size);

int mem_free(Memory_structure *mem, unsigned int addr, unsigned int size);

unsigned int mem_alloc_4k(Memory_structure *mem, unsigned int size);

int mem_free_4k(Memory_structure *mem, unsigned int addr, unsigned int size);

#endif //!__MEMORY_H