proto.h

这是《自己动手写操作系统》的原文件和代码

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

/* klib.asm */
PUBLIC void	out_byte(t_port port, t_8 value);
PUBLIC t_8	in_byte(t_port port);
PUBLIC void	disable_int();
PUBLIC void	enable_int();
PUBLIC void	disp_str(char * info);
PUBLIC void	disp_color_str(char * info, int color);

/* protect.c */
PUBLIC void	init_prot();
PUBLIC t_32	seg2phys(t_16 seg);
PUBLIC void	disable_irq(int irq);
PUBLIC void	enable_irq(int irq);

/* klib.c */
PUBLIC t_bool	is_alphanumeric(char ch);
PUBLIC void	delay(int time);
PUBLIC char *	itoa(char * str, int num);

/* kernel.asm */
PUBLIC void	restart();

/* main.c */
PUBLIC void	TestA();
PUBLIC void	TestB();
PUBLIC void	TestC();

/* i8259.c */
PUBLIC void	put_irq_handler(int iIRQ, t_pf_irq_handler handler);
PUBLIC void	spurious_irq(int irq);

/* clock.c */
PUBLIC void	clock_handler(int irq);
PUBLIC void	milli_delay(int milli_sec);

/* proc.c */
PUBLIC void	schedule();

/* keyboard.c */
PUBLIC void	keyboard_handler(int irq);
PUBLIC void	keyboard_read(TTY* p_tty);

/* tty.c */
PUBLIC void	task_tty();
PUBLIC void	in_process(TTY* p_tty, t_32 key);
PUBLIC void	tty_write(TTY* p_tty, char* buf, int len);

/* console.c */
PUBLIC void	init_screen(TTY* p_tty);
PUBLIC void	out_char(CONSOLE* p_con, char ch);
PUBLIC void	scroll_screen(CONSOLE* p_con, int direction);
PUBLIC t_bool	is_current_console(CONSOLE* p_con);

/* printf.c */
PUBLIC	int	printf(const char *fmt, ...);

/* vsprintf.c */
PUBLIC	int	vsprintf(char *buf, const char *fmt, va_list args);



/************************************************************************/
/*                        以下是系统调用相关                            */
/************************************************************************/


/*------------*/
/* 系统级部分 */
/*------------*/

/* proc.c */
PUBLIC	int	sys_get_ticks	();
PUBLIC	int	sys_write	(char* buf, int len, PROCESS* p_proc);

/* syscall.asm */
PUBLIC	void	sys_call();	/* t_pf_int_handler */


/*------------*/
/* 用户级部分 */
/*------------*/

/* syscall.asm */
PUBLIC	int	get_ticks();
PUBLIC	void	write(char* buf, int len);