unixcons.c revision 1.1.2.2
1 1.1.2.2 skrll /* $NetBSD: unixcons.c,v 1.1.2.2 2009/03/03 18:29:50 skrll Exp $ */ 2 1.1.2.2 skrll 3 1.1.2.2 skrll /* 4 1.1.2.2 skrll * Copyright (c) 2009 NONAKA Kimihiro <nonaka (at) netbsd.org> 5 1.1.2.2 skrll * All rights reserved. 6 1.1.2.2 skrll * 7 1.1.2.2 skrll * Redistribution and use in source and binary forms, with or without 8 1.1.2.2 skrll * modification, are permitted provided that the following conditions 9 1.1.2.2 skrll * are met: 10 1.1.2.2 skrll * 1. Redistributions of source code must retain the above copyright 11 1.1.2.2 skrll * notice, this list of conditions and the following disclaimer. 12 1.1.2.2 skrll * 2. Redistributions in binary form must reproduce the above copyright 13 1.1.2.2 skrll * notice, this list of conditions and the following disclaimer in the 14 1.1.2.2 skrll * documentation and/or other materials provided with the distribution. 15 1.1.2.2 skrll * 16 1.1.2.2 skrll * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 1.1.2.2 skrll * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 1.1.2.2 skrll * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 1.1.2.2 skrll * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 1.1.2.2 skrll * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 1.1.2.2 skrll * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 1.1.2.2 skrll * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 1.1.2.2 skrll * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 1.1.2.2 skrll * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 1.1.2.2 skrll * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 1.1.2.2 skrll */ 27 1.1.2.2 skrll 28 1.1.2.2 skrll #include "boot.h" 29 1.1.2.2 skrll #include "bootinfo.h" 30 1.1.2.2 skrll #include "unixdev.h" 31 1.1.2.2 skrll 32 1.1.2.2 skrll #include "compat_linux.h" 33 1.1.2.2 skrll #include "termios.h" 34 1.1.2.2 skrll 35 1.1.2.2 skrll struct btinfo_console bi_cons; 36 1.1.2.2 skrll 37 1.1.2.2 skrll static int iodev = CONSDEV_GLASS; 38 1.1.2.2 skrll static int infd = 0; 39 1.1.2.2 skrll static int outfd = 1; 40 1.1.2.2 skrll 41 1.1.2.2 skrll static const char *comdevname[] = { 42 1.1.2.2 skrll "/dev/ttyS0", 43 1.1.2.2 skrll }; 44 1.1.2.2 skrll 45 1.1.2.2 skrll static void common_putc(int fd, int c); 46 1.1.2.2 skrll static int common_getc(int fd, int timo); 47 1.1.2.2 skrll 48 1.1.2.2 skrll void 49 1.1.2.2 skrll consinit(int dev, int speed) 50 1.1.2.2 skrll { 51 1.1.2.2 skrll struct linux_termios termios; 52 1.1.2.2 skrll int fd; 53 1.1.2.2 skrll 54 1.1.2.2 skrll switch (dev) { 55 1.1.2.2 skrll case CONSDEV_COM0: 56 1.1.2.2 skrll iodev = dev; 57 1.1.2.2 skrll break; 58 1.1.2.2 skrll 59 1.1.2.2 skrll case CONSDEV_GLASS: 60 1.1.2.2 skrll default: 61 1.1.2.2 skrll glass_console: 62 1.1.2.2 skrll iodev = CONSDEV_GLASS; 63 1.1.2.2 skrll break; 64 1.1.2.2 skrll } 65 1.1.2.2 skrll 66 1.1.2.2 skrll if (infd >= 0 && infd == outfd) { 67 1.1.2.2 skrll uclose(infd); 68 1.1.2.2 skrll infd = 0; 69 1.1.2.2 skrll outfd = 1; 70 1.1.2.2 skrll } 71 1.1.2.2 skrll 72 1.1.2.2 skrll if (iodev == CONSDEV_GLASS) { 73 1.1.2.2 skrll infd = 0; 74 1.1.2.2 skrll outfd = 1; 75 1.1.2.2 skrll 76 1.1.2.2 skrll strlcpy(bi_cons.devname, "glass", sizeof(bi_cons.devname)); 77 1.1.2.2 skrll bi_cons.addr = -1; 78 1.1.2.2 skrll bi_cons.speed = -1; 79 1.1.2.2 skrll } else { 80 1.1.2.2 skrll fd = uopen(comdevname[iodev - CONSDEV_COM0], LINUX_O_RDWR); 81 1.1.2.2 skrll if (fd < 0) 82 1.1.2.2 skrll goto glass_console; 83 1.1.2.2 skrll infd = outfd = fd; 84 1.1.2.2 skrll 85 1.1.2.2 skrll /* set speed */ 86 1.1.2.2 skrll linux_tcgetattr(fd, &termios); 87 1.1.2.2 skrll if (linux_cfsetspeed(&termios, speed) < 0) { 88 1.1.2.2 skrll speed = 9600; 89 1.1.2.2 skrll if (linux_cfsetspeed(&termios, speed) < 0) 90 1.1.2.2 skrll goto glass_console; 91 1.1.2.2 skrll } 92 1.1.2.2 skrll if (linux_tcsetattr(fd, LINUX_TCSETS, &termios) < 0) 93 1.1.2.2 skrll goto glass_console; 94 1.1.2.2 skrll 95 1.1.2.2 skrll snprintf(bi_cons.devname, sizeof(bi_cons.devname), "com%d", 96 1.1.2.2 skrll iodev - CONSDEV_COM0); 97 1.1.2.2 skrll bi_cons.addr = -1; 98 1.1.2.2 skrll bi_cons.speed = speed; 99 1.1.2.2 skrll } 100 1.1.2.2 skrll BI_ADD(&bi_cons, BTINFO_CONSDEV, sizeof(bi_cons)); 101 1.1.2.2 skrll } 102 1.1.2.2 skrll 103 1.1.2.2 skrll void 104 1.1.2.2 skrll putchar(int c) 105 1.1.2.2 skrll { 106 1.1.2.2 skrll 107 1.1.2.2 skrll common_putc(outfd, c); 108 1.1.2.2 skrll } 109 1.1.2.2 skrll 110 1.1.2.2 skrll int 111 1.1.2.2 skrll getchar(void) 112 1.1.2.2 skrll { 113 1.1.2.2 skrll 114 1.1.2.2 skrll return common_getc(infd, 1); 115 1.1.2.2 skrll } 116 1.1.2.2 skrll 117 1.1.2.2 skrll static void 118 1.1.2.2 skrll common_putc(int fd, int c) 119 1.1.2.2 skrll { 120 1.1.2.2 skrll 121 1.1.2.2 skrll (void)uwrite(fd, &c, 1); 122 1.1.2.2 skrll } 123 1.1.2.2 skrll 124 1.1.2.2 skrll static int 125 1.1.2.2 skrll common_getc(int fd, int timo) 126 1.1.2.2 skrll { 127 1.1.2.2 skrll struct linux_timeval tv; 128 1.1.2.2 skrll fd_set fdset; 129 1.1.2.2 skrll int nfds, n; 130 1.1.2.2 skrll char c; 131 1.1.2.2 skrll 132 1.1.2.2 skrll for (; timo < 0 || timo > 0; --timo) { 133 1.1.2.2 skrll tv.tv_sec = 1; 134 1.1.2.2 skrll tv.tv_usec = 0; 135 1.1.2.2 skrll FD_ZERO(&fdset); 136 1.1.2.2 skrll 137 1.1.2.2 skrll nfds = 1; 138 1.1.2.2 skrll FD_SET(fd, &fdset); 139 1.1.2.2 skrll 140 1.1.2.2 skrll n = uselect(nfds, &fdset, NULL, NULL, &tv); 141 1.1.2.2 skrll if (n > 0) 142 1.1.2.2 skrll break; 143 1.1.2.2 skrll } 144 1.1.2.2 skrll 145 1.1.2.2 skrll if (timo > 0) { 146 1.1.2.2 skrll for (fd = 0; fd < nfds; fd++) { 147 1.1.2.2 skrll if (FD_ISSET(fd, &fdset)) { 148 1.1.2.2 skrll return (uread(fd, &c, 1) < 1 ? -1 : c); 149 1.1.2.2 skrll } 150 1.1.2.2 skrll } 151 1.1.2.2 skrll } 152 1.1.2.2 skrll return -1; 153 1.1.2.2 skrll } 154 1.1.2.2 skrll 155 1.1.2.2 skrll int 156 1.1.2.2 skrll awaitkey(int timeout, int tell) 157 1.1.2.2 skrll { 158 1.1.2.2 skrll struct linux_termios orig_termios, raw_termios; 159 1.1.2.2 skrll int c = 0; 160 1.1.2.2 skrll int i; 161 1.1.2.2 skrll 162 1.1.2.2 skrll /* set raw mode */ 163 1.1.2.2 skrll linux_tcgetattr(infd, &orig_termios); 164 1.1.2.2 skrll raw_termios = orig_termios; 165 1.1.2.2 skrll linux_cfmakeraw(&raw_termios); 166 1.1.2.2 skrll linux_tcsetattr(infd, LINUX_TCSETS, &raw_termios); 167 1.1.2.2 skrll 168 1.1.2.2 skrll for (i = timeout; i > 0; i--) { 169 1.1.2.2 skrll if (tell) { 170 1.1.2.2 skrll char numbuf[20]; 171 1.1.2.2 skrll int len, j; 172 1.1.2.2 skrll 173 1.1.2.2 skrll sprintf(numbuf, "%d ", i); 174 1.1.2.2 skrll len = strlen(numbuf); 175 1.1.2.2 skrll for (j = 0; j < len; j++) 176 1.1.2.2 skrll numbuf[len + j] = '\b'; 177 1.1.2.2 skrll numbuf[len + j] = '\0'; 178 1.1.2.2 skrll printf(numbuf); 179 1.1.2.2 skrll } 180 1.1.2.2 skrll c = common_getc(infd, 1); 181 1.1.2.2 skrll if (c == 0) 182 1.1.2.2 skrll c = -1; 183 1.1.2.2 skrll if (c >= 0) 184 1.1.2.2 skrll break; 185 1.1.2.2 skrll } 186 1.1.2.2 skrll if (i == 0) 187 1.1.2.2 skrll c = '\0'; 188 1.1.2.2 skrll 189 1.1.2.2 skrll /* set original mode */ 190 1.1.2.2 skrll linux_tcsetattr(infd, LINUX_TCSETS, &orig_termios); 191 1.1.2.2 skrll 192 1.1.2.2 skrll if (tell) 193 1.1.2.2 skrll printf("0 \n"); 194 1.1.2.2 skrll 195 1.1.2.2 skrll return c; 196 1.1.2.2 skrll } 197 1.1.2.2 skrll 198 1.1.2.2 skrll void dummycall2(void); 199 1.1.2.2 skrll void 200 1.1.2.2 skrll dummycall2(void) 201 1.1.2.2 skrll { 202 1.1.2.2 skrll 203 1.1.2.2 skrll (void)linux_termio_to_bsd_termios; 204 1.1.2.2 skrll (void)bsd_termios_to_linux_termio; 205 1.1.2.2 skrll (void)linux_termios_to_bsd_termios; 206 1.1.2.2 skrll (void)bsd_termios_to_linux_termios; 207 1.1.2.2 skrll } 208
Indexes created Thu Oct 02 14:10:14 GMT 2025