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Annotation of kernel/bsd/dev/ppc/cons.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
                      7:  * Reserved.  This file contains Original Code and/or Modifications of
                      8:  * Original Code as defined in and that are subject to the Apple Public
                      9:  * Source License Version 1.1 (the "License").  You may not use this file
                     10:  * except in compliance with the License.  Please obtain a copy of the
                     11:  * License at http://www.apple.com/publicsource and read it before using
                     12:  * this file.
                     13:  * 
                     14:  * The Original Code and all software distributed under the License are
                     15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
                     16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
                     17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
                     18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
                     19:  * License for the specific language governing rights and limitations
                     20:  * under the License.
                     21:  * 
                     22:  * @APPLE_LICENSE_HEADER_END@
                     23:  */
                     24: 
                     25: /* 
                     26:  * Copyright (c) 1987 NeXT, Inc.
                     27:  */
                     28:  
                     29: struct consdev {
                     30:        char    *cn_name;       /* name of device in dev_name_list */
                     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: 
                     51: #include <sys/types.h>
                     52: 
                     53: extern struct consdev constab[];
                     54: extern struct consdev *cn_tab;
                     55: extern struct tty *cn_tty;
                     56: 
                     57: extern struct tty      cons;
                     58: extern struct tty      *constty;               /* current console device */
                     59: #endif
                     60: 

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