1 /*-
2 * Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27 #include <stand.h>
28 #include <sys/param.h>
29 #include <sys/reboot.h>
30 #include <sys/boot.h>
31 #include <sys/linker.h>
32 #include <gfx_fb.h>
33 #include "bootstrap.h"
34 #include "libi386.h"
35 #include "vbe.h"
36 #include "btxv86.h"
37
38 int
bi_getboothowto(char * kargs)39 bi_getboothowto(char *kargs)
40 {
41 char *curpos, *next, *string;
42 int howto;
43 int vidconsole;
44
45 howto = boot_parse_cmdline(kargs);
46 howto |= boot_env_to_howto();
47
48 /* Enable selected consoles */
49 string = next = strdup(getenv("console"));
50 vidconsole = 0;
51 while (next != NULL) {
52 curpos = strsep(&next, " ,");
53 if (*curpos == '\0')
54 continue;
55 if (!strcmp(curpos, "vidconsole"))
56 vidconsole = 1;
57 else if (!strcmp(curpos, "comconsole"))
58 howto |= RB_SERIAL;
59 else if (!strcmp(curpos, "nullconsole"))
60 howto |= RB_MUTE;
61 }
62
63 if (vidconsole && (howto & RB_SERIAL))
64 howto |= RB_MULTIPLE;
65
66 /*
67 * XXX: Note that until the kernel is ready to respect multiple consoles
68 * for the boot messages, the first named console is the primary console
69 */
70 if (!strcmp(string, "vidconsole"))
71 howto &= ~RB_SERIAL;
72
73 free(string);
74
75 return(howto);
76 }
77
78 void
bi_setboothowto(int howto)79 bi_setboothowto(int howto)
80 {
81
82 boot_howto_to_env(howto);
83 }
84