sys/arch/vax/vax/gencons.h

   1 /*      $NetBSD: gencons.h,v 1.9 2000/01/20 00:07:49 matt Exp $ */
   2
   3 /*
   4  * Copyright (c) 1994 Ludd, University of Lule}, Sweden.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. All advertising materials mentioning features or use of this software
  16  *    must display the following acknowledgement:
  17  *     This product includes software developed at Ludd, University of Lule}.
  18  * 4. The name of the author may not be used to endorse or promote products
  19  *    derived from this software without specific prior written permission
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  *
  32  */
  33
  34  /* All bugs are subject to removal without further notice */
  35
  36 /*
  37  * Some definitions for generic console interface (PR 32-35)
  38  */
  39
  40 /* PR_TXCS */
  41 #define GC_RDY  0x80    /* Console ready to xmit chr */
  42 #define GC_TIE  0x40    /* xmit interrupt enable */
  43 #define GC_LT   0x80000 /* VAX8600: Enable logical terminal */
  44 #define GC_WRT  0x8000  /* VAX8600: Allow mtpr's to console */
  45
  46 /* PR_RXCS */
  47 #define GC_DON  0x80    /* character received */
  48 #define GC_RIE  0x40    /* recv interrupt enable */
  49
  50 /* PR_RXDB */
  51 #define GC_ERR  0x8000  /* received character error */
  52 #define GC_CON  0xf00   /* mfpr($PR_RXDB)&GC_CON==0 then console chr */
  53
  54 /* PR_TXDB */
  55 #define GC_CONS 0xf00   /* Console software !8600 */
  56 #define GC_BTFL 0x2     /* boot machine */
  57 #define GC_CWFL 0x3     /* clear warm start flag */
  58 #define GC_CCFL 0x4     /* clear cold start flag */
  59
  60 /* Interrupt vectors used */
  61 #define SCB_G0R 0xf8
  62 #define SCB_G0T 0xfc
  63 #define SCB_G1R 0xc8
  64 #define SCB_G1T 0xcc
  65 #define SCB_G2R 0xd0
  66 #define SCB_G2T 0xd4
  67 #define SCB_G3R 0xd8
  68 #define SCB_G3T 0xdc
  69
  70 /* Prototypes */
  71 void    gencnputc(dev_t, int);
  72 void    gencnstarttx(void);