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Annotation of 43BSDReno/sys/hp300/cons.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1988 University of Utah.
        !             3:  * Copyright (c) 1990 The Regents of the University of California.
        !             4:  * All rights reserved.
        !             5:  *
        !             6:  * This code is derived from software contributed to Berkeley by
        !             7:  * the Systems Programming Group of the University of Utah Computer
        !             8:  * Science Department.
        !             9:  *
        !            10:  * Redistribution is only permitted until one year after the first shipment
        !            11:  * of 4.4BSD by the Regents.  Otherwise, redistribution and use in source and
        !            12:  * binary forms are permitted provided that: (1) source distributions retain
        !            13:  * this entire copyright notice and comment, and (2) distributions including
        !            14:  * binaries display the following acknowledgement:  This product includes
        !            15:  * software developed by the University of California, Berkeley and its
        !            16:  * contributors'' in the documentation or other materials provided with the
        !            17:  * distribution and in all advertising materials mentioning features or use
        !            18:  * of this software.  Neither the name of the University nor the names of
        !            19:  * its contributors may be used to endorse or promote products derived from
        !            20:  * this software without specific prior written permission.
        !            21:  * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            22:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            23:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            24:  *
        !            25:  * from: Utah $Hdr: cons.h 1.4 88/12/03$
        !            26:  *
        !            27:  *     @(#)cons.h      7.2 (Berkeley) 5/25/90
        !            28:  */
        !            29: 
        !            30: struct consdev {
        !            31:        int     (*cn_probe)();  /* probe hardware and fill in consdev info */
        !            32:        int     (*cn_init)();   /* turn on as console */
        !            33:        int     (*cn_getc)();   /* kernel getchar interface */
        !            34:        int     (*cn_putc)();   /* kernel putchar interface */
        !            35:        struct  tty *cn_tp;     /* tty structure for console device */
        !            36:        dev_t   cn_dev;         /* major/minor of device */
        !            37:        short   cn_pri;         /* pecking order; the higher the better */
        !            38: };
        !            39: 
        !            40: /* values for cn_pri - reflect our policy for console selection */
        !            41: #define        CN_DEAD         0       /* device doesn't exist */
        !            42: #define CN_NORMAL      1       /* device exists but is nothing special */
        !            43: #define CN_INTERNAL    2       /* "internal" bit-mapped display */
        !            44: #define CN_REMOTE      3       /* serial interface with remote bit set */
        !            45: 
        !            46: /* XXX */
        !            47: #define        CONSMAJOR       0
        !            48: 
        !            49: #ifdef KERNEL
        !            50: extern struct consdev constab[];
        !            51: extern struct consdev *cn_tab;
        !            52: extern struct tty *cn_tty;
        !            53: #endif

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