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