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