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Definitions for console & console media.

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This commit is contained in:
ragge 1994-11-25 15:25:49 +00:00
parent cba32aa25f
commit 3257d0f399
1 changed files with 51 additions and 0 deletions
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sys/arch/vax/vax/gencons.h Normal file
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/*
* Copyright (c) 1994 Ludd, University of Lule}, Sweden.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed at Ludd, University of Lule}.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: gencons.h,v 1.1 1994/11/25 15:25:49 ragge Exp $
*/
/* All bugs are subject to removal without further notice */
/*
* Some definitions for generic console interface (PR 32-35)
*/
/* PR_TXCS */
#define GC_RDY 0x80 /* Console ready to xmit chr */
#define GC_TIE 0x40 /* xmit interrupt enable */
/* PR_RXCS */
#define GC_DON 0x80 /* character received */
#define GC_RIE 0x40 /* recv interrupt enable */
/* PR_RXDB */
#define GC_ERR 0x8000 /* received character error */
#define GC_CON 0xf00 /* mfpr($PR_RXDB)&GC_CON==0 then console chr */