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 * 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 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 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 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 * 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 * 107 bootcode_path(const char *part_type) { 108 return (NULL); 109 } 110 111 const char * 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