1 /* 2 * Copyright (C) 2016 Cavium Inc. 3 * All rights reserved. 4 * 5 * Developed by Semihalf. 6 * Based on work by Nathan Whitehorn. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #include <sys/types.h> 31 #include <string.h> 32 33 #include "partedit.h" 34 35 /* 36 * partedit implementation for platforms on which the installer only offers 37 * UEFI-based boot. Currently, this includes arm64 and RISC-V. 38 */ 39 40 /* EFI partition size in bytes */ 41 #define EFI_BOOTPART_SIZE (260 * 1024 * 1024) 42 43 const char * 44 default_scheme(void) 45 { 46 47 return ("GPT"); 48 } 49 50 int 51 is_scheme_bootable(const char *part_type) 52 { 53 54 if (strcmp(part_type, "GPT") == 0) 55 return (1); 56 57 return (0); 58 } 59 60 int 61 is_fs_bootable(const char *part_type, const char *fs) 62 { 63 64 if (strcmp(fs, "freebsd-ufs") == 0) 65 return (1); 66 67 return (0); 68 } 69 70 size_t 71 bootpart_size(const char *scheme) 72 { 73 74 /* We only support GPT with EFI */ 75 if (strcmp(scheme, "GPT") != 0) 76 return (0); 77 78 return (EFI_BOOTPART_SIZE); 79 } 80 81 const char * 82 bootpart_type(const char *scheme, const char **mountpoint) 83 { 84 85 /* Only EFI is supported as boot partition */ 86 *mountpoint = "/boot/efi"; 87 return ("efi"); 88 } 89 90 const char * 91 bootcode_path(const char *part_type) 92 { 93 94 return (NULL); 95 } 96 97 const char * 98 partcode_path(const char *part_type, const char *fs_type) 99 { 100 101 /* No boot partition data. */ 102 return (NULL); 103 } 104 105