mem.h

从dos下装载内核

#ifndef _MEM_H_FOR_LOADER_BY_KANGSHUYI
#define _MEM_H_FOR_LOADER_BY_KANGSHUYI
struct DES{
        unsigned short Size;
        unsigned short BaseLow;
        unsigned char BaseMiddle;
        unsigned char Attribute;
        unsigned int NoUse;
};
struct GDT{
        struct DES BlankDsc;
        struct DES SrcDsc;
        struct DES DstDsc;
        struct DES BiosCS;
        struct DES BiosSS;
};
struct GDTPTR{
        unsigned short limit;
        unsigned long base;
};
void MoveToExtendMem(void * SrcBuf,unsigned long PhyMem,int WordSize);
unsigned int GetExMemSize(void);/*返回扩展内存的大小,以k为单位*/
void ToProtectAndCopy(void *SrcBuf,int WordSize);

#endif