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- /*
- * Copyright (c) 1988 University of Utah.
- * Copyright (c) 1990 The Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * the Systems Programming Group of the University of Utah Computer
- * Science Department.
- *
- * 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.
- *
- * from: Utah $Hdr: cons.c 1.5 89/08/22$
- *
- * @(#)cons.c 7.4 (Berkeley) 5/5/91
- */
-
- #include "sys/param.h"
- #include "samachdep.h"
- #include "../hp300/cons.h"
-
- #ifdef ITECONSOLE
- int iteprobe(), iteinit(), itegetchar(), iteputchar();
- #endif
- #ifdef DCACONSOLE
- int dcaprobe(), dcainit(), dcagetchar(), dcaputchar();
- #endif
- #ifdef DCMCONSOLE
- int dcmprobe(), dcminit(), dcmgetchar(), dcmputchar();
- #endif
-
- struct consdev constab[] = {
- #ifdef ITECONSOLE
- { iteprobe, iteinit, itegetchar, iteputchar },
- #endif
- #ifdef DCACONSOLE
- { dcaprobe, dcainit, dcagetchar, dcaputchar },
- #endif
- #ifdef DCMCONSOLE
- { dcmprobe, dcminit, dcmgetchar, dcmputchar },
- #endif
- { 0 },
- };
-
- struct consdev *cn_tab;
- int noconsole;
-
- cninit()
- {
- register struct consdev *cp;
-
- cn_tab = NULL;
- noconsole = 1;
- 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;
- }
- if (cn_tab) {
- (*cn_tab->cn_init)(cn_tab);
- noconsole = 0;
- }
- }
-
- cngetc()
- {
- if (cn_tab)
- return((*cn_tab->cn_getc)());
- return(0);
- }
-
- cnputc(c)
- int c;
- {
- if (cn_tab)
- (*cn_tab->cn_putc)(c);
- }
-