cons.c revision 1.1.6.3
1 1.1.6.2 tls /* $NetBSD: cons.c,v 1.1.6.3 2014/08/20 00:03:10 tls Exp $ */ 2 1.1.6.2 tls 3 1.1.6.2 tls /* 4 1.1.6.2 tls * Copyright (c) 1992 OMRON Corporation. 5 1.1.6.2 tls * 6 1.1.6.2 tls * This code is derived from software contributed to Berkeley by 7 1.1.6.2 tls * OMRON Corporation. 8 1.1.6.2 tls * 9 1.1.6.2 tls * Redistribution and use in source and binary forms, with or without 10 1.1.6.2 tls * modification, are permitted provided that the following conditions 11 1.1.6.2 tls * are met: 12 1.1.6.2 tls * 1. Redistributions of source code must retain the above copyright 13 1.1.6.2 tls * notice, this list of conditions and the following disclaimer. 14 1.1.6.2 tls * 2. Redistributions in binary form must reproduce the above copyright 15 1.1.6.2 tls * notice, this list of conditions and the following disclaimer in the 16 1.1.6.2 tls * documentation and/or other materials provided with the distribution. 17 1.1.6.2 tls * 3. All advertising materials mentioning features or use of this software 18 1.1.6.2 tls * must display the following acknowledgement: 19 1.1.6.2 tls * This product includes software developed by the University of 20 1.1.6.2 tls * California, Berkeley and its contributors. 21 1.1.6.2 tls * 4. Neither the name of the University nor the names of its contributors 22 1.1.6.2 tls * may be used to endorse or promote products derived from this software 23 1.1.6.2 tls * without specific prior written permission. 24 1.1.6.2 tls * 25 1.1.6.2 tls * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 1.1.6.2 tls * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 1.1.6.2 tls * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 1.1.6.2 tls * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 1.1.6.2 tls * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 1.1.6.2 tls * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 1.1.6.2 tls * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 1.1.6.2 tls * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 1.1.6.2 tls * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 1.1.6.2 tls * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 1.1.6.2 tls * SUCH DAMAGE. 36 1.1.6.2 tls * 37 1.1.6.2 tls * @(#)cons.c 8.1 (Berkeley) 6/10/93 38 1.1.6.2 tls */ 39 1.1.6.2 tls /* 40 1.1.6.2 tls * Copyright (c) 1992, 1993 41 1.1.6.2 tls * The Regents of the University of California. All rights reserved. 42 1.1.6.2 tls * 43 1.1.6.2 tls * This code is derived from software contributed to Berkeley by 44 1.1.6.2 tls * OMRON Corporation. 45 1.1.6.2 tls * 46 1.1.6.2 tls * Redistribution and use in source and binary forms, with or without 47 1.1.6.2 tls * modification, are permitted provided that the following conditions 48 1.1.6.2 tls * are met: 49 1.1.6.2 tls * 1. Redistributions of source code must retain the above copyright 50 1.1.6.2 tls * notice, this list of conditions and the following disclaimer. 51 1.1.6.2 tls * 2. Redistributions in binary form must reproduce the above copyright 52 1.1.6.2 tls * notice, this list of conditions and the following disclaimer in the 53 1.1.6.2 tls * documentation and/or other materials provided with the distribution. 54 1.1.6.2 tls * 3. Neither the name of the University nor the names of its contributors 55 1.1.6.2 tls * may be used to endorse or promote products derived from this software 56 1.1.6.2 tls * without specific prior written permission. 57 1.1.6.2 tls * 58 1.1.6.2 tls * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 59 1.1.6.2 tls * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 60 1.1.6.2 tls * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 61 1.1.6.2 tls * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 62 1.1.6.2 tls * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 63 1.1.6.2 tls * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 64 1.1.6.2 tls * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 65 1.1.6.2 tls * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 66 1.1.6.2 tls * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 67 1.1.6.2 tls * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 68 1.1.6.2 tls * SUCH DAMAGE. 69 1.1.6.2 tls * 70 1.1.6.2 tls * @(#)cons.c 8.1 (Berkeley) 6/10/93 71 1.1.6.2 tls */ 72 1.1.6.2 tls 73 1.1.6.2 tls #include <sys/param.h> 74 1.1.6.2 tls #include <dev/cons.h> 75 1.1.6.2 tls #include <luna68k/stand/boot/samachdep.h> 76 1.1.6.2 tls 77 1.1.6.2 tls #define NBMC 1 78 1.1.6.2 tls #define NSIO 1 79 1.1.6.2 tls #define NROM 0 /* XXX doesn't work with framebuffer/keyboard? */ 80 1.1.6.2 tls 81 1.1.6.2 tls /* XXX - all this could be autoconfig()ed */ 82 1.1.6.2 tls 83 1.1.6.2 tls struct consdev constab[] = { 84 1.1.6.2 tls #if NBMC > 0 85 1.1.6.2 tls { bmccnprobe, bmccninit, bmccngetc, bmccnputc }, 86 1.1.6.2 tls #endif 87 1.1.6.2 tls #if NSIO > 0 88 1.1.6.2 tls { siocnprobe, siocninit, siocngetc, siocnputc }, 89 1.1.6.2 tls #endif 90 1.1.6.2 tls #if NROM > 0 91 1.1.6.2 tls { romcnprobe, romcninit, romcngetc, romcnputc }, 92 1.1.6.2 tls #endif 93 1.1.6.2 tls { 0 }, 94 1.1.6.2 tls }; 95 1.1.6.2 tls /* end XXX */ 96 1.1.6.2 tls 97 1.1.6.2 tls struct tty *constty = 0; /* virtual console output device */ 98 1.1.6.2 tls struct consdev *cn_tab; /* physical console device info */ 99 1.1.6.2 tls 100 1.1.6.2 tls void 101 1.1.6.2 tls cninit(void) 102 1.1.6.2 tls { 103 1.1.6.2 tls struct consdev *cp; 104 1.1.6.2 tls 105 1.1.6.2 tls /* 106 1.1.6.2 tls * Collect information about all possible consoles 107 1.1.6.2 tls * and find the one with highest priority 108 1.1.6.2 tls */ 109 1.1.6.2 tls for (cp = constab; cp->cn_probe; cp++) { 110 1.1.6.2 tls (*cp->cn_probe)(cp); 111 1.1.6.2 tls if (cp->cn_pri > CN_DEAD && 112 1.1.6.2 tls (cn_tab == NULL || cp->cn_pri > cn_tab->cn_pri)) 113 1.1.6.2 tls cn_tab = cp; 114 1.1.6.2 tls } 115 1.1.6.2 tls /* 116 1.1.6.2 tls * No console, we can handle it 117 1.1.6.2 tls */ 118 1.1.6.2 tls if ((cp = cn_tab) == NULL) 119 1.1.6.2 tls return; 120 1.1.6.2 tls /* 121 1.1.6.2 tls * Turn on console 122 1.1.6.2 tls */ 123 1.1.6.2 tls (*cp->cn_init)(cp); 124 1.1.6.2 tls } 125 1.1.6.2 tls 126 1.1.6.2 tls int 127 1.1.6.2 tls cngetc(void) 128 1.1.6.2 tls { 129 1.1.6.2 tls if (cn_tab == NULL) 130 1.1.6.3 tls return 0; 131 1.1.6.3 tls return (*cn_tab->cn_getc)(cn_tab->cn_dev); 132 1.1.6.2 tls } 133 1.1.6.2 tls 134 1.1.6.2 tls void 135 1.1.6.2 tls cnputc(int c) 136 1.1.6.2 tls { 137 1.1.6.2 tls if (cn_tab == NULL) 138 1.1.6.2 tls return; 139 1.1.6.2 tls if (c) { 140 1.1.6.2 tls (*cn_tab->cn_putc)(cn_tab->cn_dev, c); 141 1.1.6.2 tls if (c == '\n') 142 1.1.6.2 tls (*cn_tab->cn_putc)(cn_tab->cn_dev, '\r'); 143 1.1.6.2 tls } 144 1.1.6.2 tls } 145
Indexes created Sun Oct 19 16:10:00 GMT 2025