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 * $FreeBSD$ 30 */ 31 32 #include <sys/types.h> 33 #include <string.h> 34 35 #include "partedit.h" 36 37 /* 38 * partedit implementation for platforms on which the installer only offers 39 * UEFI-based boot. Currently, this includes arm64 and RISC-V. 40 */ 41 42 /* EFI partition size in bytes */ 43 #define EFI_BOOTPART_SIZE (260 * 1024 * 1024) 44 45 const char * 46 default_scheme(void) 47 { 48 49 return ("GPT"); 50 } 51 52 int 53 is_scheme_bootable(const char *part_type) 54 { 55 56 if (strcmp(part_type, "GPT") == 0) 57 return (1); 58 59 return (0); 60 } 61 62 int 63 is_fs_bootable(const char *part_type, const char *fs) 64 { 65 66 if (strcmp(fs, "freebsd-ufs") == 0) 67 return (1); 68 69 return (0); 70 } 71 72 size_t 73 bootpart_size(const char *scheme) 74 { 75 76 /* We only support GPT with EFI */ 77 if (strcmp(scheme, "GPT") != 0) 78 return (0); 79 80 return (EFI_BOOTPART_SIZE); 81 } 82 83 const char * 84 bootpart_type(const char *scheme, const char **mountpoint) 85 { 86 87 /* Only EFI is supported as boot partition */ 88 *mountpoint = "/boot/efi"; 89 return ("efi"); 90 } 91 92 const char * 93 bootcode_path(const char *part_type) 94 { 95 96 return (NULL); 97 } 98 99 const char * 100 partcode_path(const char *part_type, const char *fs_type) 101 { 102 103 /* No boot partition data. */ 104 return (NULL); 105 } 106 107