video.c File Reference

#include <slibc.h>
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <stddef.h>
#include <stdarg.h>
#include <stropts.h>
#include <fcntl.h>
#include <stdint.h>
#include <unistd.h>
#include <object.h>
#include <list.h>
#include <vfs.h>
#include <device.h>
#include <video.h>
#include <debug.h>

Include dependency graph for video.c:

Go to the source code of this file.

Data Structures
struct	info
	VMA 가 Enable 된 이후에 사용 가능한 전역 변수임 More...

Macros
#define	MAX_COLUMN   80
#define	MAX_SIZE   2000
#define	TAB_SIZE   7
#define	VIDEO_BUFFER   ((char *)0xb8000)

Functions
int	video_close (struct ninfo *ninfo, struct nctx *ctx)
int	video_init (void)
int	video_ioctl (struct ninfo *ninfo, struct nctx *ctx, int request, va_list ap)
off_t	video_lseek (struct ninfo *ninfo, struct nctx *ctx, off_t off, int whence)
int	video_open (struct ninfo *ninfo, struct nctx *ctx)
int	video_read (struct ninfo *ninfo, struct nctx *ctx, void *buf, size_t size)
int	video_write (struct ninfo *ninfo, struct nctx *ctx, const void *buf, size_t size)

Macro Definition Documentation

#define MAX_COLUMN   80

Definition at line 23 of file video.c.

Referenced by video_write().

#define MAX_SIZE   2000

Definition at line 22 of file video.c.

Referenced by video_init(), and video_write().

#define TAB_SIZE   7

Definition at line 21 of file video.c.

#define VIDEO_BUFFER   ((char *)0xb8000)

Definition at line 24 of file video.c.

Referenced by video_open().

Function Documentation

int video_close	(	struct ninfo *	ninfo,
		struct nctx *	ctx
	)

Definition at line 161 of file video.c.

References free(), NULL, and nctx::priv.

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int video_ioctl	(	struct ninfo *	ninfo,
		struct nctx *	ctx,
		int	request,
		va_list	ap
	)

Definition at line 138 of file video.c.

References ENOSYS.

off_t video_lseek	(	struct ninfo *	ninfo,
		struct nctx *	ctx,
		off_t	off,
		int	whence
	)

Definition at line 32 of file video.c.

References EINVAL, nctx::offset, SEEK_CUR, SEEK_END, SEEK_SET, and ninfo::size.

int video_open	(	struct ninfo *	ninfo,
		struct nctx *	ctx
	)

Definition at line 143 of file video.c.

References info::attribute, info::auto_scroll, ENOMEM, malloc(), nctx::offset, nctx::priv, info::video, and VIDEO_BUFFER.

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int video_read	(	struct ninfo *	ninfo,
		struct nctx *	ctx,
		void *	buf,
		size_t	size
	)

Definition at line 55 of file video.c.

References buffer, nctx::offset, nctx::priv, ninfo::size, and info::video.

int video_write	(	struct ninfo *	ninfo,
		struct nctx *	ctx,
		const void *	buf,
		size_t	size
	)

Definition at line 73 of file video.c.

References info::attribute, info::auto_scroll, buffer, MAX_COLUMN, MAX_SIZE, nctx::offset, nctx::priv, ninfo::size, and info::video.