1 /*-
2 * Copyright (c) 2011 Nathan Whitehorn
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 * $FreeBSD$
27 */
28
29 #include <sys/types.h>
30 #include <sys/sysctl.h>
31 #include <string.h>
32
33 #include "partedit.h"
34
35 static char platform[255] = "";
36
37 const char *
default_scheme(void)38 default_scheme(void) {
39 size_t platlen = sizeof(platform);
40 if (strlen(platform) == 0)
41 sysctlbyname("hw.platform", platform, &platlen, NULL, -1);
42
43 if (strcmp(platform, "powermac") == 0)
44 return ("APM");
45 if (strcmp(platform, "chrp") == 0)
46 return ("MBR");
47
48 /* Pick GPT (bootable on PS3) as a generic default */
49 return ("GPT");
50 }
51
52 int
is_scheme_bootable(const char * part_type)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);
57
58 if (strcmp(platform, "powermac") == 0 && strcmp(part_type, "APM") == 0)
59 return (1);
60 if (strcmp(platform, "ps3") == 0 && strcmp(part_type, "GPT") == 0)
61 return (1);
62 if (strcmp(platform, "chrp") == 0 &&
63 (strcmp(part_type, "MBR") == 0 || strcmp(part_type, "BSD") == 0 ||
64 strcmp(part_type, "GPT") == 0))
65 return (1);
66
67 return (0);
68 }
69
70 int
is_fs_bootable(const char * part_type,const char * fs)71 is_fs_bootable(const char *part_type, const char *fs)
72 {
73 if (strcmp(fs, "freebsd-ufs") == 0)
74 return (1);
75
76 return (0);
77 }
78
79 size_t
bootpart_size(const char * part_type)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);
84
85 if (strcmp(part_type, "APM") == 0 || strcmp(part_type, "MBR") == 0)
86 return (800*1024);
87 if (strcmp(platform, "chrp") == 0 && strcmp(part_type, "GPT") == 0)
88 return (800*1024);
89 return (0);
90 }
91
92 const char *
bootpart_type(const char * scheme)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);
97
98 if (strcmp(platform, "chrp") == 0)
99 return ("prep-boot");
100 if (strcmp(platform, "powermac") == 0)
101 return ("apple-boot");
102
103 return ("freebsd-boot");
104 }
105
106 const char *
bootcode_path(const char * part_type)107 bootcode_path(const char *part_type) {
108 return (NULL);
109 }
110
111 const char *
partcode_path(const char * part_type,const char * fs_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);
116
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");
122 return (NULL);
123 }
124
125