2 * Copyright (c) 2011 Nathan Whitehorn
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
29 #include <sys/types.h>
30 #include <sys/sysctl.h>
35 static char platform[255] = "";
38 default_scheme(void) {
39 size_t platlen = sizeof(platform);
40 if (strlen(platform) == 0)
41 sysctlbyname("hw.platform", platform, &platlen, NULL, -1);
43 if (strcmp(platform, "powermac") == 0)
45 if (strcmp(platform, "chrp") == 0)
48 /* Pick GPT (bootable on PS3) as a generic default */
53 is_scheme_bootable(const char *part_type) {
54 size_t platlen = sizeof(platform);
55 if (strlen(platform) == 0)
56 sysctlbyname("hw.platform", platform, &platlen, NULL, -1);
58 if (strcmp(platform, "powermac") == 0 && strcmp(part_type, "APM") == 0)
60 if (strcmp(platform, "ps3") == 0 && strcmp(part_type, "GPT") == 0)
62 if (strcmp(platform, "chrp") == 0 &&
63 (strcmp(part_type, "MBR") == 0 || strcmp(part_type, "BSD") == 0 ||
64 strcmp(part_type, "GPT") == 0))
71 is_fs_bootable(const char *part_type, const char *fs)
73 if (strcmp(fs, "freebsd-ufs") == 0)
80 bootpart_size(const char *part_type) {
81 size_t platlen = sizeof(platform);
82 if (strlen(platform) == 0)
83 sysctlbyname("hw.platform", platform, &platlen, NULL, -1);
85 if (strcmp(part_type, "APM") == 0 || strcmp(part_type, "MBR") == 0)
87 if (strcmp(platform, "chrp") == 0 && strcmp(part_type, "GPT") == 0)
93 bootpart_type(const char *scheme) {
94 size_t platlen = sizeof(platform);
95 if (strlen(platform) == 0)
96 sysctlbyname("hw.platform", platform, &platlen, NULL, -1);
98 if (strcmp(platform, "chrp") == 0)
100 if (strcmp(platform, "powermac") == 0)
101 return ("apple-boot");
103 return ("freebsd-boot");
107 bootcode_path(const char *part_type) {
112 partcode_path(const char *part_type, const char *fs_type) {
113 size_t platlen = sizeof(platform);
114 if (strlen(platform) == 0)
115 sysctlbyname("hw.platform", platform, &platlen, NULL, -1);
117 if (strcmp(part_type, "APM") == 0)
118 return ("/boot/boot1.hfs");
119 if (strcmp(part_type, "MBR") == 0 ||
120 (strcmp(platform, "chrp") == 0 && strcmp(part_type, "GPT") == 0))
121 return ("/boot/boot1.elf");