summaryrefslogtreecommitdiffstats
path: root/commands/bootm.c
blob: 75849a1bac1f37ca2f330fc81581645f87db2a8c (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
/*
 * (C) Copyright 2000-2006
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 */

/*
 * Boot support
 */
#include <common.h>
#include <driver.h>
#include <command.h>
#include <image.h>
#include <malloc.h>
#include <environment.h>
#include <asm/byteorder.h>
#include <xfuncs.h>
#include <getopt.h>
#include <fcntl.h>
#include <fs.h>
#include <errno.h>
#include <boot.h>
#include <of.h>
#include <rtc.h>
#include <init.h>
#include <of.h>
#include <magicvar.h>
#include <uncompress.h>
#include <memory.h>
#include <filetype.h>
#include <binfmt.h>
#include <globalvar.h>
#include <magicvar.h>
#include <asm-generic/memory_layout.h>

#define BOOTM_OPTS_COMMON "ca:e:vo:fd"

#ifdef CONFIG_CMD_BOOTM_INITRD
#define BOOTM_OPTS BOOTM_OPTS_COMMON "L:r:"
#else
#define BOOTM_OPTS BOOTM_OPTS_COMMON
#endif

static int do_bootm(int argc, char *argv[])
{
	int opt;
	struct bootm_data data = {};
	int ret = 1;
	const char *oftree = NULL, *initrd_file = NULL, *os_file = NULL;

	data.initrd_address = UIMAGE_INVALID_ADDRESS;
	data.os_address = UIMAGE_SOME_ADDRESS;
	data.verify = 0;
	data.verbose = 0;

	oftree = getenv("global.bootm.oftree");
	os_file = getenv("global.bootm.image");
	getenv_ul("global.bootm.image.loadaddr", &data.os_address);
	getenv_ul("global.bootm.initrd.loadaddr", &data.initrd_address);
	if (IS_ENABLED(CONFIG_CMD_BOOTM_INITRD))
		initrd_file = getenv("global.bootm.initrd");

	while ((opt = getopt(argc, argv, BOOTM_OPTS)) > 0) {
		switch(opt) {
		case 'c':
			data.verify = 1;
			break;
#ifdef CONFIG_CMD_BOOTM_INITRD
		case 'L':
			data.initrd_address = simple_strtoul(optarg, NULL, 0);
			break;
		case 'r':
			initrd_file = optarg;
			break;
#endif
		case 'a':
			data.os_address = simple_strtoul(optarg, NULL, 0);
			break;
		case 'e':
			data.os_entry = simple_strtoul(optarg, NULL, 0);
			break;
		case 'v':
			data.verbose++;
			break;
		case 'o':
			oftree = optarg;
			break;
		case 'f':
			data.force = 1;
			break;
		case 'd':
			data.dryrun = 1;
			break;
		default:
			break;
		}
	}

	if (optind != argc)
		os_file = argv[optind];

	if (!os_file || !*os_file) {
		printf("no boot image given\n");
		goto err_out;
	}

	if (initrd_file && !*initrd_file)
		initrd_file = NULL;

	if (oftree && !*oftree)
		oftree = NULL;

	data.os_file = os_file;
	data.oftree_file = oftree;
	data.initrd_file = initrd_file;

	ret = bootm_boot(&data);
	if (ret) {
		printf("handler failed with: %s\n", strerror(-ret));
		goto err_out;
	}

	if (data.dryrun)
		printf("Dryrun. Aborted\n");

err_out:
	return ret ? 1 : 0;
}

BAREBOX_CMD_HELP_START(bootm)
BAREBOX_CMD_HELP_TEXT("Options:")
BAREBOX_CMD_HELP_OPT ("-c\t",  "crc check uImage data")
BAREBOX_CMD_HELP_OPT ("-d\t",  "dry run: check data, but do not run")
BAREBOX_CMD_HELP_OPT ("-f\t",  "load images even if type is undetectable")
#ifdef CONFIG_CMD_BOOTM_INITRD
BAREBOX_CMD_HELP_OPT ("-r INITRD","specify an initrd image")
BAREBOX_CMD_HELP_OPT ("-L ADDR\t","specify initrd load address")
#endif
BAREBOX_CMD_HELP_OPT ("-a ADDR\t","specify os load address")
BAREBOX_CMD_HELP_OPT ("-e OFFS\t","entry point to the image relative to start (0)")
#ifdef CONFIG_OFTREE
BAREBOX_CMD_HELP_OPT ("-o DTB\t","specify open firmware device tree")
#endif
#ifdef CONFIG_CMD_BOOTM_VERBOSE
BAREBOX_CMD_HELP_OPT ("-v\t","verbose")
#endif
BAREBOX_CMD_HELP_END

BAREBOX_CMD_START(bootm)
	.cmd		= do_bootm,
	BAREBOX_CMD_DESC("boot an application image")
	BAREBOX_CMD_OPTS("[-cdf"
#ifdef CONFIG_CMD_BOOTM_INITRD
					  "rL"
#endif
					  "ae"
#ifdef CONFIG_OFTREE
					  "o"
#endif
#ifdef CONFIG_CMD_BOOTM_VERBOSE
					  "v"
#endif
					  "] IMAGE")
	BAREBOX_CMD_GROUP(CMD_GRP_BOOT)
	BAREBOX_CMD_HELP(cmd_bootm_help)
BAREBOX_CMD_END

BAREBOX_MAGICVAR(bootargs, "Linux kernel parameters");
BAREBOX_MAGICVAR_NAMED(global_bootm_image, global.bootm.image, "bootm default boot image");
BAREBOX_MAGICVAR_NAMED(global_bootm_image_loadaddr, global.bootm.image.loadaddr, "bootm default boot image loadaddr");
BAREBOX_MAGICVAR_NAMED(global_bootm_initrd, global.bootm.initrd, "bootm default initrd");
BAREBOX_MAGICVAR_NAMED(global_bootm_initrd_loadaddr, global.bootm.initrd.loadaddr, "bootm default initrd loadaddr");
BAREBOX_MAGICVAR_NAMED(global_bootm_oftree, global.bootm.oftree, "bootm default oftree");

static struct binfmt_hook binfmt_uimage_hook = {
	.type = filetype_uimage,
	.exec = "bootm",
};

static int binfmt_uimage_init(void)
{
	return binfmt_register(&binfmt_uimage_hook);
}
fs_initcall(binfmt_uimage_init);