1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 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 return ("MBR"); 49 50 /* Pick GPT as a generic default */ 51 return ("GPT"); 52 } 53 54 int 55 is_scheme_bootable(const char *part_type) { 56 size_t platlen = sizeof(platform); 57 if (strlen(platform) == 0) 58 sysctlbyname("hw.platform", platform, &platlen, NULL, -1); 59 60 if (strcmp(platform, "powermac") == 0 && strcmp(part_type, "APM") == 0) 61 return (1); 62 if (strcmp(platform, "powernv") == 0 && strcmp(part_type, "GPT") == 0) 63 return (1); 64 if ((strcmp(platform, "chrp") == 0 || strcmp(platform, "ps3") == 0) && 65 (strcmp(part_type, "MBR") == 0 || strcmp(part_type, "BSD") == 0 || 66 strcmp(part_type, "GPT") == 0)) 67 return (1); 68 69 return (0); 70 } 71 72 int 73 is_fs_bootable(const char *part_type, const char *fs) 74 { 75 if (strcmp(fs, "freebsd-ufs") == 0) 76 return (1); 77 78 return (0); 79 } 80 81 size_t 82 bootpart_size(const char *part_type) 83 { 84 size_t platlen = sizeof(platform); 85 if (strlen(platform) == 0) 86 sysctlbyname("hw.platform", platform, &platlen, NULL, -1); 87 88 if (strcmp(part_type, "APM") == 0) 89 return (800*1024); 90 if (strcmp(part_type, "BSD") == 0) /* Nothing for nested */ 91 return (0); 92 if (strcmp(platform, "chrp") == 0) 93 return (800*1024); 94 if (strcmp(platform, "ps3") == 0 || strcmp(platform, "powernv") == 0) 95 return (512*1024*1024); 96 return (0); 97 } 98 99 const char * 100 bootpart_type(const char *scheme, const char **mountpoint) 101 { 102 size_t platlen = sizeof(platform); 103 if (strlen(platform) == 0) 104 sysctlbyname("hw.platform", platform, &platlen, NULL, -1); 105 106 if (strcmp(platform, "chrp") == 0) 107 return ("prep-boot"); 108 if (strcmp(platform, "powermac") == 0) 109 return ("apple-boot"); 110 if (strcmp(platform, "powernv") == 0 || strcmp(platform, "ps3") == 0) { 111 *mountpoint = "/boot"; 112 if (strcmp(scheme, "GPT") == 0) 113 return ("ms-basic-data"); 114 else if (strcmp(scheme, "MBR") == 0) 115 return ("fat32"); 116 } 117 118 return ("freebsd-boot"); 119 } 120 121 const char * 122 bootcode_path(const char *part_type) { 123 return (NULL); 124 } 125 126 const char * 127 partcode_path(const char *part_type, const char *fs_type) { 128 size_t platlen = sizeof(platform); 129 if (strlen(platform) == 0) 130 sysctlbyname("hw.platform", platform, &platlen, NULL, -1); 131 132 if (strcmp(part_type, "APM") == 0) 133 return ("/boot/boot1.hfs"); 134 if (strcmp(platform, "chrp") == 0) 135 return ("/boot/boot1.elf"); 136 return (NULL); 137 } 138 139