global.h

来自「<自己写操作系统>光盘附件01」· C头文件 代码 · 共 19 行

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

/* EXTERN is defined as extern except in global.c */
#ifdef	GLOBAL_VARIABLES_HERE
#undef	EXTERN
#define	EXTERN
#endif

EXTERN	int			disp_pos;
EXTERN	t_8			gdt_ptr[6];	// 0~15:Limit  16~47:Base
EXTERN	DESCRIPTOR		gdt[GDT_SIZE];
EXTERN	t_8			idt_ptr[6];	// 0~15:Limit  16~47:Base
EXTERN	GATE			idt[IDT_SIZE];