consinit.c revision 1.11
1 /* $NetBSD: consinit.c,v 1.11 2008/10/21 15:46:32 cegger Exp $ */ 2 /* NetBSD: consinit.c,v 1.4 2004/03/13 17:31:34 bjh21 Exp */ 3 4 /* 5 * Copyright (c) 1998 6 * Matthias Drochner. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 */ 29 30 #include <sys/cdefs.h> 31 __KERNEL_RCSID(0, "$NetBSD: consinit.c,v 1.11 2008/10/21 15:46:32 cegger Exp $"); 32 33 #include "opt_kgdb.h" 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/device.h> 38 #include <machine/bus.h> 39 #include <machine/bootinfo.h> 40 41 #include "xencons.h" 42 #include "vga.h" 43 #include "ega.h" 44 #include "pcdisplay.h" 45 #if (NVGA > 0) || (NEGA > 0) || (NPCDISPLAY > 0) 46 #include <dev/ic/mc6845reg.h> 47 #include <dev/ic/pcdisplayvar.h> 48 #if (NVGA > 0) 49 #include <dev/ic/vgareg.h> 50 #include <dev/ic/vgavar.h> 51 #endif 52 #if (NEGA > 0) 53 #include <dev/isa/egavar.h> 54 #endif 55 #if (NPCDISPLAY > 0) 56 #include <dev/isa/pcdisplayvar.h> 57 #endif 58 #endif 59 60 #include "pckbc.h" 61 #if (NPCKBC > 0) 62 #include <dev/isa/isareg.h> 63 #include <dev/ic/i8042reg.h> 64 #include <dev/ic/pckbcvar.h> 65 #endif 66 #include "pckbd.h" /* for pckbc_machdep_cnattach */ 67 68 #include "ukbd.h" 69 #if (NUKBD > 0) 70 #include <dev/usb/ukbdvar.h> 71 #endif 72 73 #include "opt_xen.h" 74 #if (XEN > 0) 75 #include <xen/xen.h> 76 #include <dev/pckbport/pckbportvar.h> 77 #include <xen/hypervisor.h> 78 #endif 79 80 #include "com.h" 81 #if (NCOM > 0) 82 #include <sys/termios.h> 83 #include <dev/ic/comreg.h> 84 #include <dev/ic/comvar.h> 85 #endif 86 87 #ifndef CONSDEVNAME 88 #define CONSDEVNAME "pc" 89 #endif 90 91 #if (NCOM > 0) 92 #ifndef CONADDR 93 #define CONADDR 0x3f8 94 #endif 95 #ifndef CONSPEED 96 #define CONSPEED TTYDEF_SPEED 97 #endif 98 #ifndef CONMODE 99 #define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */ 100 #endif 101 int comcnmode = CONMODE; 102 #endif /* NCOM */ 103 104 const struct btinfo_console default_consinfo = { 105 {0, 0}, 106 CONSDEVNAME, 107 #if (NCOM > 0) 108 CONADDR, CONSPEED 109 #else 110 0, 0 111 #endif 112 }; 113 114 #ifdef KGDB 115 #ifndef KGDB_DEVNAME 116 #define KGDB_DEVNAME "com" 117 #endif 118 const char kgdb_devname[] = KGDB_DEVNAME; 119 120 #if (NCOM > 0) 121 #ifndef KGDB_DEVADDR 122 #define KGDB_DEVADDR 0x3f8 123 #endif 124 int comkgdbaddr = KGDB_DEVADDR; 125 #ifndef KGDB_DEVRATE 126 #define KGDB_DEVRATE TTYDEF_SPEED 127 #endif 128 int comkgdbrate = KGDB_DEVRATE; 129 #ifndef KGDB_DEVMODE 130 #define KGDB_DEVMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */ 131 #endif 132 int comkgdbmode = KGDB_DEVMODE; 133 #endif /* NCOM */ 134 135 #endif /* KGDB */ 136 137 /* 138 * consinit: 139 * initialize the system console. 140 * XXX - shouldn't deal with this initted thing, but then, 141 * it shouldn't be called from init386 either. 142 */ 143 void 144 consinit() 145 { 146 static int initted = 0; 147 union xen_cmdline_parseinfo xcp; 148 149 if (initted) { 150 return; 151 } 152 initted = 1; 153 xen_parse_cmdline(XEN_PARSE_CONSOLE, &xcp); 154 155 #if (NVGA > 0) 156 if (xendomain_is_privileged()) { 157 #ifdef CONS_OVERRIDE 158 if (strcmp(default_consinfo.devname, "tty0") == 0 || 159 strcmp(default_consinfo.devname, "pc") == 0) { 160 #else 161 if (strcmp(xcp.xcp_console, "tty0") == 0 || /* linux name */ 162 strcmp(xcp.xcp_console, "pc") == 0) { /* NetBSD name */ 163 #endif /* CONS_OVERRIDE */ 164 int error; 165 vga_cnattach(X86_BUS_SPACE_IO, X86_BUS_SPACE_MEM, 166 -1, 1); 167 error = ENODEV; 168 #if (NPCKBC > 0) 169 error = pckbc_cnattach(X86_BUS_SPACE_IO, IO_KBD, KBCMDP, 170 PCKBC_KBD_SLOT); 171 #endif 172 #if (NUKBD > 0) 173 if (error) 174 error = ukbd_cnattach(); 175 #endif 176 if (error) 177 printf("WARNING: no console keyboard, " 178 "error=%d\n", error); 179 return; 180 } 181 } 182 #endif /* NVGA */ 183 #if NXENCONS > 0 184 xenconscn_attach(); 185 return; 186 #endif /* NXENCONS */ 187 panic("consinit: no console"); 188 } 189 190 #ifdef KGDB 191 void 192 kgdb_port_init() 193 { 194 #if (NCOM > 0) 195 if(!strcmp(kgdb_devname, "com")) { 196 bus_space_tag_t tag = X86_BUS_SPACE_IO; 197 198 com_kgdb_attach(tag, comkgdbaddr, comkgdbrate, COM_FREQ, 199 COM_TYPE_NORMAL, comkgdbmode); 200 } 201 #endif 202 } 203 #endif 204
Indexes created Mon Sep 22 21:09:42 GMT 2025