conf.h

MIPS处理器的bootloader,龙芯就是用的修改过的PMON2

	(dev_type_open((*))) nullop, (dev_type_close((*))) nullop, \
	dev_init(c,n,read), dev_init(c,n,write), (dev_type_ioctl((*))) enodev, \
	(dev_type_stop((*))) enodev, 0, (dev_type_select((*))) enodev, \
	(dev_type_mmap((*))) enodev }

/* open, close, read, write, ioctl, tty, select */
#define cdev_ptc_init(c,n) { \
	dev_init(c,n,open), dev_init(c,n,close), dev_init(c,n,read), \
	dev_init(c,n,write), dev_init(c,n,ioctl), (dev_type_stop((*))) nullop, \
	dev_init(c,n,tty), dev_init(c,n,select), (dev_type_mmap((*))) enodev, \
	D_TTY }

/* open, close, read, ioctl, select -- XXX should be a generic device */
#define cdev_log_init(c,n) { \
	dev_init(c,n,open), dev_init(c,n,close), dev_init(c,n,read), \
	(dev_type_write((*))) enodev, dev_init(c,n,ioctl), \
	(dev_type_stop((*))) enodev, 0, dev_init(c,n,select), \
	(dev_type_mmap((*))) enodev }

/* open */
#define cdev_fd_init(c,n) { \
	dev_init(c,n,open), (dev_type_close((*))) enodev, \
	(dev_type_read((*))) enodev, (dev_type_write((*))) enodev, \
	(dev_type_ioctl((*))) enodev, (dev_type_stop((*))) enodev, \
	0, (dev_type_select((*))) enodev, (dev_type_mmap((*))) enodev }

/* open, close, read, write, ioctl, select -- XXX should be generic device */
#define cdev_bpftun_init(c,n) { \
	dev_init(c,n,open), dev_init(c,n,close), dev_init(c,n,read), \
	dev_init(c,n,write), dev_init(c,n,ioctl), (dev_type_stop((*))) enodev, \
	0, dev_init(c,n,select), (dev_type_mmap((*))) enodev }

/* open, close, ioctl */
#define	cdev_lkm_init(c,n) { \
	dev_init(c,n,open), dev_init(c,n,close), (dev_type_read((*))) enodev, \
	(dev_type_write((*))) enodev, dev_init(c,n,ioctl), \
	(dev_type_stop((*))) enodev, 0, (dev_type_select((*))) enodev, \
	(dev_type_mmap((*))) enodev }

/* open, close, ioctl */
#define	cdev_ch_init(c,n) { \
	dev_init(c,n,open), dev_init(c,n,close), (dev_type_read((*))) enodev, \
	(dev_type_write((*))) enodev, dev_init(c,n,ioctl), \
	(dev_type_stop((*))) enodev, 0, (dev_type_select((*))) enodev, \
	(dev_type_mmap((*))) enodev }

/* open, close, ioctl */
#define       cdev_uk_init(c,n) { \
	dev_init(c,n,open), dev_init(c,n,close), (dev_type_read((*))) enodev, \
	(dev_type_write((*))) enodev, dev_init(c,n,ioctl), \
	(dev_type_stop((*))) enodev, 0, (dev_type_select((*))) enodev, \
	(dev_type_mmap((*))) enodev }

/* open, close, read, ioctl */
#define cdev_ss_init(c,n) { \
	dev_init(c,n,open), dev_init(c,n,close), dev_init(c,n,read), \
	(dev_type_write((*))) enodev, dev_init(c,n,ioctl), \
	(dev_type_stop((*))) enodev, 0, seltrue, \
	(dev_type_mmap((*))) enodev }

/* open, close, ioctl, mmap */
#define	cdev_fb_init(c,n) { \
	dev_init(c,n,open), dev_init(c,n,close), (dev_type_read((*))) enodev, \
	(dev_type_write((*))) enodev, dev_init(c,n,ioctl), \
	(dev_type_stop((*))) enodev, 0, (dev_type_select((*))) enodev, \
	dev_init(c,n,mmap) }

/* open, close, read, write, ioctl */
#define cdev_audio_init(c,n) { \
	dev_init(c,n,open), dev_init(c,n,close), dev_init(c,n,read), \
	dev_init(c,n,write), dev_init(c,n,ioctl), \
	(dev_type_stop((*))) enodev, 0, dev_init(c,n,select), \
	dev_init(c,n,mmap) }

/* open, close, read, write, ioctl, poll */
#define cdev_midi_init(c,n) { \
	dev_init(c,n,open), dev_init(c,n,close), dev_init(c,n,read), \
	dev_init(c,n,write), dev_init(c,n,ioctl), \
	(dev_type_stop((*))) enodev, 0, dev_init(c,n,select), \
	(dev_type_mmap((*))) enodev }

#define	cdev_svr4_net_init(c,n) { \
	dev_init(c,n,open), (dev_type_close((*))) enodev, \
	(dev_type_read((*))) enodev, (dev_type_write((*))) enodev, \
	(dev_type_ioctl((*))) enodev, (dev_type_stop((*))) nullop, \
	0, (dev_type_select((*))) enodev, (dev_type_mmap((*))) enodev }

/* open, close, read, ioctl */
#define	cdev_gen_ipf(c,n) { \
	dev_init(c,n,open), dev_init(c,n,close), dev_init(c,n,read), \
	(dev_type_write((*))) enodev, dev_init(c,n,ioctl), \
	(dev_type_stop((*))) enodev, 0, (dev_type_select((*))) enodev, \
	(dev_type_mmap((*))) enodev }

/* open, close, read, write, ioctl, select */
#define cdev_xfs_init(c, n) { \
	dev_init(c,n,open), dev_init(c,n,close), dev_init(c,n,read), \
	dev_init(c,n,write), dev_init(c,n,ioctl), \
	(dev_type_stop((*))) enodev, 0, dev_init(c,n,select), \
	(dev_type_mmap((*))) enodev }

/* open, close, read */
#define cdev_ksyms_init(c,n) { \
	dev_init(c,n,open), dev_init(c,n,close), dev_init(c,n,read), \
	(dev_type_write((*))) enodev, (dev_type_ioctl((*))) enodev, \
	(dev_type_stop((*))) enodev, 0, seltrue, \
	(dev_type_mmap((*))) enodev, 0 }

/* open, close, read, write, ioctl, select */
#define	cdev_random_init(c,n) { \
	dev_init(c,n,open), dev_init(c,n,close), dev_init(c,n,read), \
	dev_init(c,n,write), dev_init(c,n,ioctl), (dev_type_stop((*))) enodev, \
	0, dev_init(c,n,select), (dev_type_mmap((*))) enodev }
void	randomattach __P((void));

/* open, close, ioctl, select */
#define	cdev_usb_init(c,n) { \
	dev_init(c,n,open), dev_init(c,n,close), (dev_type_read((*))) enodev, \
	(dev_type_write((*))) enodev, dev_init(c,n,ioctl), \
	(dev_type_stop((*))) enodev, 0, dev_init(c,n,select), \
	(dev_type_mmap((*))) enodev }

#define	cdev_usbdev_init(c,n)	cdev_random_init(c,n)
#define	cdev_ugen_init(c,n)	cdev_random_init(c,n)

/* symbolic sleep message strings */
extern char devopn[], devio[], devwait[], devin[], devout[];
extern char devioc[], devcls[];

#endif

/*
 * Line discipline switch table
 */
struct linesw {
	int	(*l_open)	__P((dev_t dev, struct tty *tp));
	int	(*l_close)	__P((struct tty *tp, int flags));
	int	(*l_read)	__P((struct tty *tp, struct uio *uio,
				     int flag));
	int	(*l_write)	__P((struct tty *tp, struct uio *uio,
				     int flag));
	int	(*l_ioctl)	__P((struct tty *tp, u_long cmd, caddr_t data,
				     int flag, struct proc *p));
	int	(*l_rint)	__P((int c, struct tty *tp));
	int	(*l_start)	__P((struct tty *tp));
	int	(*l_modem)	__P((struct tty *tp, int flag));
};

#ifdef _KERNEL
extern struct linesw linesw[];
#endif

/*
 * Swap device table
 */
struct swdevt {
	dev_t	sw_dev;
	int	sw_flags;
	int	sw_nblks;
	struct	vnode *sw_vp;
};
#define	SW_FREED	0x01
#define	SW_SEQUENTIAL	0x02
#define	sw_freed	sw_flags	/* XXX compat */

#ifdef _KERNEL
extern struct swdevt swdevt[];

int	chrtoblk __P((dev_t));
int	blktochr __P((dev_t));
int	iskmemdev __P((dev_t));
int	iszerodev __P((dev_t));

#ifndef PMON

cdev_decl(filedesc);

cdev_decl(log);

#ifndef LKM
# define	NLKM	0
# define	lkmenodev	enodev
#else
# define	NLKM	1
#endif
cdev_decl(lkm);

#define	ptstty		ptytty
#define	ptsioctl	ptyioctl
cdev_decl(pts);

#define	ptctty		ptytty
#define	ptcioctl	ptyioctl
cdev_decl(ptc);

cdev_decl(ctty);

cdev_decl(audio);
cdev_decl(midi);
cdev_decl(sequencer);

cdev_decl(cn);

bdev_decl(vnd);
cdev_decl(vnd);

bdev_decl(ccd);
cdev_decl(ccd);

bdev_decl(raid);
cdev_decl(raid);

cdev_decl(ch);

cdev_decl(ss);

bdev_decl(sd);
cdev_decl(sd);

bdev_decl(st);
cdev_decl(st);

bdev_decl(cd);
cdev_decl(cd);

bdev_decl(rd);
cdev_decl(rd);

bdev_decl(uk);
cdev_decl(uk);

cdev_decl(bpf);

cdev_decl(tun);

cdev_decl(random);

cdev_decl(ipl);

#ifdef COMPAT_SVR4
# define NSVR4_NET	1
#else
# define NSVR4_NET	0
#endif
cdev_decl(svr4_net);
#endif

#endif