/* * Copyright (c) 1992 OMRON Corporation. * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * OMRON Corporation. * * 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 by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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. * * @(#)cons.c 8.1 (Berkeley) 6/10/93 */ #include <sys/param.h> #include <sys/systm.h> #include <sys/buf.h> #include <sys/ioctl.h> #include <sys/tty.h> #include <sys/file.h> #include <sys/conf.h> #include <luna68k/luna68k/cons.h> #define NBMC 1 #define NSIO 1 #define NROM 1 /* XXX - all this could be autoconfig()ed */ #include "romvec.h" #if NBMC > 0 int bmccnprobe(), bmccninit(), bmccngetc(), bmccnputc(); #endif #if NSIO > 0 int siocnprobe(), siocninit(), siocngetc(), siocnputc(); #endif #if NROM > 0 int romcnprobe(), romcninit(), romcngetc(), romcnputc(); #endif struct consdev constab[] = { #if NBMC > 0 { bmccnprobe, bmccninit, bmccngetc, bmccnputc }, #endif #if NSIO > 0 { siocnprobe, siocninit, siocngetc, siocnputc }, #endif #if NROM > 0 { romcnprobe, romcninit, romcngetc, romcnputc }, #endif { 0 }, }; /* end XXX */ struct tty *constty = 0; /* virtual console output device */ struct consdev *cn_tab; /* physical console device info */ struct tty *cn_tty; /* XXX: console tty struct for tprintf */ cninit() { register struct consdev *cp; /* * Collect information about all possible consoles * and find the one with highest priority */ for (cp = constab; cp->cn_probe; cp++) { (*cp->cn_probe)(cp); if (cp->cn_pri > CN_DEAD && (cn_tab == NULL || cp->cn_pri > cn_tab->cn_pri)) cn_tab = cp; } /* * No console, we can handle it */ if ((cp = cn_tab) == NULL) return; /* * Turn on console */ cn_tty = cp->cn_tp; (*cp->cn_init)(cp); } cngetc() { if (cn_tab == NULL) return(0); return((*cn_tab->cn_getc)(cn_tab->cn_dev)); } cnputc(c) register int c; { if (cn_tab == NULL) return; if (c) { (*cn_tab->cn_putc)(cn_tab->cn_dev, c); if (c == '\n') (*cn_tab->cn_putc)(cn_tab->cn_dev, '\r'); } }