xref: /freebsd/usr.sbin/bsdinstall/partedit/partedit_powerpc.c (revision e6bfd18d21b225af6a0ed67ceeaf1293b7b9eba5)
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  * $FreeBSD$
29  */
30 
31 #include <sys/types.h>
32 #include <sys/sysctl.h>
33 #include <string.h>
34 
35 #include "partedit.h"
36 
37 static char platform[255] = "";
38 
39 const char *
40 default_scheme(void) {
41 	size_t platlen = sizeof(platform);
42 	if (strlen(platform) == 0)
43 		sysctlbyname("hw.platform", platform, &platlen, NULL, -1);
44 
45 	if (strcmp(platform, "powermac") == 0)
46 		return ("APM");
47 	if (strcmp(platform, "chrp") == 0 || strcmp(platform, "ps3") == 0 ||
48 	    strcmp(platform, "mpc85xx") == 0)
49 		return ("MBR");
50 
51 	/* Pick GPT as a generic default */
52 	return ("GPT");
53 }
54 
55 int
56 is_scheme_bootable(const char *part_type) {
57 	size_t platlen = sizeof(platform);
58 	if (strlen(platform) == 0)
59 		sysctlbyname("hw.platform", platform, &platlen, NULL, -1);
60 
61 	if (strcmp(platform, "powermac") == 0 && strcmp(part_type, "APM") == 0)
62 		return (1);
63 	if (strcmp(platform, "powernv") == 0 && strcmp(part_type, "GPT") == 0)
64 		return (1);
65 	if ((strcmp(platform, "chrp") == 0 || strcmp(platform, "ps3") == 0) &&
66 	    (strcmp(part_type, "MBR") == 0 || strcmp(part_type, "BSD") == 0 ||
67 	     strcmp(part_type, "GPT") == 0))
68 		return (1);
69 	if (strcmp(platform, "mpc85xx") == 0 && strcmp(part_type, "MBR") == 0)
70 		return (1);
71 
72 	return (0);
73 }
74 
75 int
76 is_fs_bootable(const char *part_type, const char *fs)
77 {
78 	if (strcmp(fs, "freebsd-ufs") == 0)
79 		return (1);
80 
81 	return (0);
82 }
83 
84 size_t
85 bootpart_size(const char *part_type)
86 {
87 	size_t platlen = sizeof(platform);
88 	if (strlen(platform) == 0)
89 		sysctlbyname("hw.platform", platform, &platlen, NULL, -1);
90 
91 	if (strcmp(part_type, "APM") == 0)
92 		return (800*1024);
93 	if (strcmp(part_type, "BSD") == 0) /* Nothing for nested */
94 		return (0);
95 	if (strcmp(platform, "chrp") == 0)
96 		return (800*1024);
97 	if (strcmp(platform, "ps3") == 0 || strcmp(platform, "powernv") == 0)
98 		return (512*1024*1024);
99 	if (strcmp(platform, "mpc85xx") == 0)
100 		return (16*1024*1024);
101 	return (0);
102 }
103 
104 const char *
105 bootpart_type(const char *scheme, const char **mountpoint)
106 {
107 	size_t platlen = sizeof(platform);
108 	if (strlen(platform) == 0)
109 		sysctlbyname("hw.platform", platform, &platlen, NULL, -1);
110 
111 	if (strcmp(platform, "chrp") == 0)
112 		return ("prep-boot");
113 	if (strcmp(platform, "powermac") == 0)
114 		return ("apple-boot");
115 	if (strcmp(platform, "powernv") == 0 || strcmp(platform, "ps3") == 0) {
116 		*mountpoint = "/boot";
117 		if (strcmp(scheme, "GPT") == 0)
118 			return ("ms-basic-data");
119 		else if (strcmp(scheme, "MBR") == 0)
120 			return ("fat32");
121 	}
122 	if (strcmp(platform, "mpc85xx") == 0) {
123 		*mountpoint = "/boot/uboot";
124 		return ("fat16");
125 	}
126 
127 	return ("freebsd-boot");
128 }
129 
130 const char *
131 bootcode_path(const char *part_type) {
132 	return (NULL);
133 }
134 
135 const char *
136 partcode_path(const char *part_type, const char *fs_type) {
137 	size_t platlen = sizeof(platform);
138 	if (strlen(platform) == 0)
139 		sysctlbyname("hw.platform", platform, &platlen, NULL, -1);
140 
141 	if (strcmp(part_type, "APM") == 0)
142 		return ("/boot/boot1.hfs");
143 	if (strcmp(platform, "chrp") == 0)
144 		return ("/boot/boot1.elf");
145 	return (NULL);
146 }
147 
148