xref: /netbsd/sys/arch/vax/vax/gencons.h (revision bf9ec67e)
1 /*	$NetBSD: gencons.h,v 1.10 2001/06/03 15:07:20 ragge 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);
73