Annotation of sys/arch/hp300/stand/common/cons.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: cons.c,v 1.4 2006/08/17 06:31:10 miod Exp $ */
! 2: /* $NetBSD: cons.c,v 1.2 1997/05/12 07:44:53 thorpej Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1988 University of Utah.
! 6: * Copyright (c) 1990, 1993
! 7: * The Regents of the University of California. All rights reserved.
! 8: *
! 9: * This code is derived from software contributed to Berkeley by
! 10: * the Systems Programming Group of the University of Utah Computer
! 11: * Science Department.
! 12: *
! 13: * Redistribution and use in source and binary forms, with or without
! 14: * modification, are permitted provided that the following conditions
! 15: * are met:
! 16: * 1. Redistributions of source code must retain the above copyright
! 17: * notice, this list of conditions and the following disclaimer.
! 18: * 2. Redistributions in binary form must reproduce the above copyright
! 19: * notice, this list of conditions and the following disclaimer in the
! 20: * documentation and/or other materials provided with the distribution.
! 21: * 3. Neither the name of the University nor the names of its contributors
! 22: * may be used to endorse or promote products derived from this software
! 23: * without specific prior written permission.
! 24: *
! 25: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 26: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 27: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 28: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 29: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 30: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 31: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 32: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 33: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 34: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 35: * SUCH DAMAGE.
! 36: *
! 37: * from: Utah Hdr: cons.c 1.7 92/02/28
! 38: *
! 39: * @(#)cons.c 8.1 (Berkeley) 6/10/93
! 40: */
! 41:
! 42: #include <sys/param.h>
! 43:
! 44: #include "samachdep.h"
! 45: #include "consdefs.h"
! 46:
! 47: struct consdev constab[] = {
! 48: #ifdef ITECONSOLE
! 49: { iteprobe, iteinit, itegetchar, iteputchar },
! 50: #endif
! 51: #ifdef DCACONSOLE
! 52: { dcaprobe, dcainit, dcagetchar, dcaputchar },
! 53: #endif
! 54: #ifdef APCICONSOLE
! 55: { apciprobe, apciinit, apcigetchar, apciputchar },
! 56: #endif
! 57: #ifdef DCMCONSOLE
! 58: { dcmprobe, dcminit, dcmgetchar, dcmputchar },
! 59: #endif
! 60: { 0 },
! 61: };
! 62:
! 63: struct consdev *cn_tab;
! 64: int noconsole;
! 65:
! 66: void
! 67: cninit()
! 68: {
! 69: struct consdev *cp;
! 70:
! 71: cn_tab = NULL;
! 72: noconsole = 1;
! 73: for (cp = constab; cp->cn_probe; cp++) {
! 74: (*cp->cn_probe)(cp);
! 75: if (cp->cn_pri > CN_DEAD &&
! 76: (cn_tab == NULL || cp->cn_pri > cn_tab->cn_pri))
! 77: cn_tab = cp;
! 78: }
! 79: if (cn_tab) {
! 80: (*cn_tab->cn_init)(cn_tab);
! 81: noconsole = 0;
! 82: }
! 83: }
! 84:
! 85: int
! 86: cngetc()
! 87: {
! 88:
! 89: /* Note: the dev_t arguments are not used! */
! 90: if (cn_tab)
! 91: return((*cn_tab->cn_getc)(0));
! 92: return(0);
! 93: }
! 94:
! 95: void
! 96: cnputc(c)
! 97: int c;
! 98: {
! 99: /* Note: the dev_t arguments are not used! */
! 100: if (userom)
! 101: romputchar(c);
! 102: else if (cn_tab)
! 103: (*cn_tab->cn_putc)(0, c);
! 104: }
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