2 * (C) Copyright 2008 Semihalf
4 * (C) Copyright 2000-2004
5 * DENX Software Engineering
6 * Wolfgang Denk, wd@denx.de
8 * Updated-by: Prafulla Wadaskar <prafulla@marvell.com>
9 * FIT image specific code abstracted from mkimage.c
10 * some functions added to address abstraction
12 * All rights reserved.
14 * This program is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU General Public License as
16 * published by the Free Software Foundation; either version 2 of
17 * the License, or (at your option) any later version.
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
32 #include <u-boot/crc.h>
34 static image_header_t header
;
36 static int fit_verify_header (unsigned char *ptr
, int image_size
,
37 struct mkimage_params
*params
)
39 return fdt_check_header ((void *)ptr
);
42 static int fit_check_image_types (uint8_t type
)
44 if (type
== IH_TYPE_FLATDT
)
51 * fit_handle_file - main FIT file processing function
53 * fit_handle_file() runs dtc to convert .its to .itb, includes
54 * binary data, updates timestamp property and calculates hashes.
56 * datafile - .its file
57 * imagefile - .itb file
60 * only on success, otherwise calls exit (EXIT_FAILURE);
62 static int fit_handle_file (struct mkimage_params
*params
)
64 char tmpfile
[MKIMAGE_MAX_TMPFILE_LEN
];
65 char cmd
[MKIMAGE_MAX_DTC_CMDLINE_LEN
];
70 /* Flattened Image Tree (FIT) format handling */
71 debug ("FIT format handling\n");
73 /* call dtc to include binary properties into the tmp file */
74 if (strlen (params
->imagefile
) +
75 strlen (MKIMAGE_TMPFILE_SUFFIX
) + 1 > sizeof (tmpfile
)) {
76 fprintf (stderr
, "%s: Image file name (%s) too long, "
77 "can't create tmpfile",
78 params
->imagefile
, params
->cmdname
);
79 return (EXIT_FAILURE
);
81 sprintf (tmpfile
, "%s%s", params
->imagefile
, MKIMAGE_TMPFILE_SUFFIX
);
83 /* dtc -I dts -O -p 200 datafile > tmpfile */
84 sprintf (cmd
, "%s %s %s > %s",
85 MKIMAGE_DTC
, params
->dtc
, params
->datafile
, tmpfile
);
86 debug ("Trying to execute \"%s\"\n", cmd
);
87 if (system (cmd
) == -1) {
88 fprintf (stderr
, "%s: system(%s) failed: %s\n",
89 params
->cmdname
, cmd
, strerror(errno
));
91 return (EXIT_FAILURE
);
94 /* load FIT blob into memory */
95 tfd
= open (tmpfile
, O_RDWR
|O_BINARY
);
98 fprintf (stderr
, "%s: Can't open %s: %s\n",
99 params
->cmdname
, tmpfile
, strerror(errno
));
101 return (EXIT_FAILURE
);
104 if (fstat (tfd
, &sbuf
) < 0) {
105 fprintf (stderr
, "%s: Can't stat %s: %s\n",
106 params
->cmdname
, tmpfile
, strerror(errno
));
108 return (EXIT_FAILURE
);
111 ptr
= mmap (0, sbuf
.st_size
, PROT_READ
|PROT_WRITE
, MAP_SHARED
,
113 if (ptr
== MAP_FAILED
) {
114 fprintf (stderr
, "%s: Can't read %s: %s\n",
115 params
->cmdname
, tmpfile
, strerror(errno
));
117 return (EXIT_FAILURE
);
120 /* check if ptr has a valid blob */
121 if (fdt_check_header (ptr
)) {
122 fprintf (stderr
, "%s: Invalid FIT blob\n", params
->cmdname
);
124 return (EXIT_FAILURE
);
127 /* set hashes for images in the blob */
128 if (fit_set_hashes (ptr
)) {
129 fprintf (stderr
, "%s Can't add hashes to FIT blob",
132 return (EXIT_FAILURE
);
135 /* add a timestamp at offset 0 i.e., root */
136 if (fit_set_timestamp (ptr
, 0, sbuf
.st_mtime
)) {
137 fprintf (stderr
, "%s: Can't add image timestamp\n",
140 return (EXIT_FAILURE
);
142 debug ("Added timestamp successfully\n");
144 munmap ((void *)ptr
, sbuf
.st_size
);
147 if (rename (tmpfile
, params
->imagefile
) == -1) {
148 fprintf (stderr
, "%s: Can't rename %s to %s: %s\n",
149 params
->cmdname
, tmpfile
, params
->imagefile
,
152 unlink (params
->imagefile
);
153 return (EXIT_FAILURE
);
155 return (EXIT_SUCCESS
);
158 static int fit_check_params (struct mkimage_params
*params
)
160 return ((params
->dflag
&& (params
->fflag
|| params
->lflag
)) ||
161 (params
->fflag
&& (params
->dflag
|| params
->lflag
)) ||
162 (params
->lflag
&& (params
->dflag
|| params
->fflag
)));
165 static struct image_type_params fitimage_params
= {
166 .name
= "FIT Image support",
167 .header_size
= sizeof(image_header_t
),
168 .hdr
= (void*)&header
,
169 .verify_header
= fit_verify_header
,
170 .print_header
= fit_print_contents
,
171 .check_image_type
= fit_check_image_types
,
172 .fflag_handle
= fit_handle_file
,
173 .set_header
= NULL
, /* FIT images use DTB header */
174 .check_params
= fit_check_params
,
177 void init_fit_image_type (void)
179 mkimage_register (&fitimage_params
);