const.h

来自「自己写操作系统随书源代码」· C头文件 代码 · 共 21 行

/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
                            const.h
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
                                                    Forrest Yu, 2005
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/

#ifndef	_TINIX_CONST_H_
#define	_TINIX_CONST_H_


/* 函数类型 */
#define	PUBLIC		/* PUBLIC is the opposite of PRIVATE */
#define	PRIVATE	static	/* PRIVATE x limits the scope of x */

/* GDT 和 IDT 中描述符的个数 */
#define	GDT_SIZE	128


#endif /* _TINIX_CONST_H_ */