1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2011 Nathan Whitehorn
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
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 || strcmp(platform, "ps3") == 0 ||
46 strcmp(platform, "mpc85xx") == 0)
47 return ("MBR");
48
49 /* Pick GPT as a generic default */
50 return ("GPT");
51 }
52
53 int
is_scheme_bootable(const char * part_type)54 is_scheme_bootable(const char *part_type) {
55 size_t platlen = sizeof(platform);
56 if (strlen(platform) == 0)
57 sysctlbyname("hw.platform", platform, &platlen, NULL, -1);
58
59 if (strcmp(platform, "powermac") == 0 && strcmp(part_type, "APM") == 0)
60 return (1);
61 if (strcmp(platform, "powernv") == 0 && strcmp(part_type, "GPT") == 0)
62 return (1);
63 if ((strcmp(platform, "chrp") == 0 || strcmp(platform, "ps3") == 0) &&
64 (strcmp(part_type, "MBR") == 0 || strcmp(part_type, "BSD") == 0 ||
65 strcmp(part_type, "GPT") == 0))
66 return (1);
67 if (strcmp(platform, "mpc85xx") == 0 && strcmp(part_type, "MBR") == 0)
68 return (1);
69
70 return (0);
71 }
72
73 int
is_fs_bootable(const char * part_type,const char * fs)74 is_fs_bootable(const char *part_type, const char *fs)
75 {
76 if (strcmp(fs, "freebsd-ufs") == 0)
77 return (1);
78
79 return (0);
80 }
81
82 size_t
bootpart_size(const char * part_type)83 bootpart_size(const char *part_type)
84 {
85 size_t platlen = sizeof(platform);
86 if (strlen(platform) == 0)
87 sysctlbyname("hw.platform", platform, &platlen, NULL, -1);
88
89 if (strcmp(part_type, "APM") == 0)
90 return (800*1024);
91 if (strcmp(part_type, "BSD") == 0) /* Nothing for nested */
92 return (0);
93 if (strcmp(platform, "chrp") == 0)
94 return (800*1024);
95 if (strcmp(platform, "ps3") == 0 || strcmp(platform, "powernv") == 0)
96 return (512*1024*1024);
97 if (strcmp(platform, "mpc85xx") == 0)
98 return (16*1024*1024);
99 return (0);
100 }
101
102 const char *
bootpart_type(const char * scheme,const char ** mountpoint)103 bootpart_type(const char *scheme, const char **mountpoint)
104 {
105 size_t platlen = sizeof(platform);
106 if (strlen(platform) == 0)
107 sysctlbyname("hw.platform", platform, &platlen, NULL, -1);
108
109 if (strcmp(platform, "chrp") == 0)
110 return ("prep-boot");
111 if (strcmp(platform, "powermac") == 0)
112 return ("apple-boot");
113 if (strcmp(platform, "powernv") == 0 || strcmp(platform, "ps3") == 0) {
114 *mountpoint = "/boot";
115 if (strcmp(scheme, "GPT") == 0)
116 return ("ms-basic-data");
117 else if (strcmp(scheme, "MBR") == 0)
118 return ("fat32");
119 }
120 if (strcmp(platform, "mpc85xx") == 0) {
121 *mountpoint = "/boot/uboot";
122 return ("fat16");
123 }
124
125 return ("freebsd-boot");
126 }
127
128 const char *
bootcode_path(const char * part_type)129 bootcode_path(const char *part_type) {
130 return (NULL);
131 }
132
133 const char *
partcode_path(const char * part_type,const char * fs_type)134 partcode_path(const char *part_type, const char *fs_type) {
135 size_t platlen = sizeof(platform);
136 if (strlen(platform) == 0)
137 sysctlbyname("hw.platform", platform, &platlen, NULL, -1);
138
139 if (strcmp(part_type, "APM") == 0)
140 return ("/boot/boot1.hfs");
141 if (strcmp(platform, "chrp") == 0)
142 return ("/boot/boot1.elf");
143 return (NULL);
144 }
145
146