147 lines
4.9 KiB
C
147 lines
4.9 KiB
C
/* $NetBSD: cons.c,v 1.3 2015/02/14 05:58:02 tsutsui Exp $ */
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/*
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* Copyright (c) 1992 OMRON Corporation.
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*
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* This code is derived from software contributed to Berkeley by
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* OMRON Corporation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)cons.c 8.1 (Berkeley) 6/10/93
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*/
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/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* OMRON Corporation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)cons.c 8.1 (Berkeley) 6/10/93
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*/
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#include <sys/param.h>
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#include <dev/cons.h>
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#include <luna68k/stand/boot/samachdep.h>
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#define NBMC 1
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#define NSIO 1
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#define NROM 0 /* XXX doesn't work with framebuffer/keyboard? */
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/* XXX - all this could be autoconfig()ed */
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struct consdev constab[] = {
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#if NBMC > 0
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{ bmccnprobe, bmccninit, bmccngetc, bmccnputc },
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#endif
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#if NSIO > 0
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{ siocnprobe, siocninit, siocngetc, siocnputc },
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#endif
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#if NROM > 0
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{ romcnprobe, romcninit, romcngetc, romcnputc },
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#endif
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{ 0 },
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};
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/* end XXX */
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struct tty *constty = 0; /* virtual console output device */
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struct consdev *cn_tab; /* physical console device info */
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void
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cninit(void)
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{
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struct consdev *cp;
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/*
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* Collect information about all possible consoles
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* and find the one with highest priority
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*/
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for (cp = constab; cp->cn_probe; cp++) {
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(*cp->cn_probe)(cp);
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if (cp->cn_pri > CN_DEAD &&
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(cn_tab == NULL || cp->cn_pri > cn_tab->cn_pri))
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cn_tab = cp;
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}
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/*
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* No console, we can handle it
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*/
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if ((cp = cn_tab) == NULL)
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return;
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/*
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* Turn on console
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*/
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(*cp->cn_init)(cp);
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}
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int
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cngetc(void)
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{
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if (cn_tab == NULL)
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return 0;
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return (*cn_tab->cn_getc)(cn_tab->cn_dev);
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}
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void
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cnputc(int c)
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{
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if (cn_tab == NULL)
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return;
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if (c != 0) {
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(*cn_tab->cn_putc)(cn_tab->cn_dev, c);
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if (c == '\n')
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(*cn_tab->cn_putc)(cn_tab->cn_dev, '\r');
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}
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}
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