1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2011 Nathan Whitehorn
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD: stable/11/usr.sbin/bsdinstall/partedit/partedit_powerpc.c 330449 2018-03-05 07:26:05Z eadler $
29 */
30
31#include <sys/types.h>
32#include <sys/sysctl.h>
33#include <string.h>
34
35#include "partedit.h"
36
37static char platform[255] = "";
38
39const char *
40default_scheme(void) {
41	size_t platlen = sizeof(platform);
42	if (strlen(platform) == 0)
43		sysctlbyname("hw.platform", platform, &platlen, NULL, -1);
44
45	if (strcmp(platform, "powermac") == 0)
46		return ("APM");
47	if (strcmp(platform, "chrp") == 0)
48		return ("MBR");
49
50	/* Pick GPT (bootable on PS3) as a generic default */
51	return ("GPT");
52}
53
54int
55is_scheme_bootable(const char *part_type) {
56	size_t platlen = sizeof(platform);
57	if (strlen(platform) == 0)
58		sysctlbyname("hw.platform", platform, &platlen, NULL, -1);
59
60	if (strcmp(platform, "powermac") == 0 && strcmp(part_type, "APM") == 0)
61		return (1);
62	if (strcmp(platform, "ps3") == 0 && strcmp(part_type, "GPT") == 0)
63		return (1);
64	if (strcmp(platform, "chrp") == 0 &&
65	    (strcmp(part_type, "MBR") == 0 || strcmp(part_type, "BSD") == 0 ||
66	     strcmp(part_type, "GPT") == 0))
67		return (1);
68
69	return (0);
70}
71
72int
73is_fs_bootable(const char *part_type, const char *fs)
74{
75	if (strcmp(fs, "freebsd-ufs") == 0)
76		return (1);
77
78	return (0);
79}
80
81size_t
82bootpart_size(const char *part_type) {
83	size_t platlen = sizeof(platform);
84	if (strlen(platform) == 0)
85		sysctlbyname("hw.platform", platform, &platlen, NULL, -1);
86
87	if (strcmp(part_type, "APM") == 0 || strcmp(part_type, "MBR") == 0)
88		return (800*1024);
89	if (strcmp(platform, "chrp") == 0 && strcmp(part_type, "GPT") == 0)
90		return (800*1024);
91	return (0);
92}
93
94const char *
95bootpart_type(const char *scheme) {
96	size_t platlen = sizeof(platform);
97	if (strlen(platform) == 0)
98		sysctlbyname("hw.platform", platform, &platlen, NULL, -1);
99
100	if (strcmp(platform, "chrp") == 0)
101		return ("prep-boot");
102	if (strcmp(platform, "powermac") == 0)
103		return ("apple-boot");
104
105	return ("freebsd-boot");
106}
107
108const char *
109bootcode_path(const char *part_type) {
110	return (NULL);
111}
112
113const char *
114partcode_path(const char *part_type, const char *fs_type) {
115	size_t platlen = sizeof(platform);
116	if (strlen(platform) == 0)
117		sysctlbyname("hw.platform", platform, &platlen, NULL, -1);
118
119	if (strcmp(part_type, "APM") == 0)
120		return ("/boot/boot1.hfs");
121	if (strcmp(part_type, "MBR") == 0 ||
122	    (strcmp(platform, "chrp") == 0 && strcmp(part_type, "GPT") == 0))
123		return ("/boot/boot1.elf");
124	return (NULL);
125}
126
127