hole.h~

参照MINIX3写的操作系统 用GCC+NASM+BOCHS开发

PUBLIC void memInit(t32 start,t32 size);
PUBLIC t32 memAlloc(t32 size);
PUBLIC t32 memFree(t32 address,t32 size);
PUBLIC void dumpHole();
PRIVATE t32 findHole(t32 size);
PRIVATE t32  unitHole(t32 addr,t32 size);

/*********************************************************************/
extern int printk(const char * fmt, ...);

/*********************************************************************/
#define ERROR -1
#define OK 1

#define kmalloc() mallocStruct(STRUCT_HOLE)
#define kfree(addr) freeStruct(STRUCT_HOLE,addr)

PRIVATE hole *last;							 /*采用最佳适应算法，保存上次搜索的位置	*/				
PRIVATE t32 memSize;								/*total memory size*/
PRIVATE t32 memStart;								/*start of available memory */
PRIVATE t32 memEnd;								/*end of available memory */