1 // SPDX-License-Identifier: GPL-2.0+
4 * DENX Software Engineering
5 * Heiko Schocher <hs@denx.de>
7 * (C) Copyright 2008 Semihalf
9 * (C) Copyright 2000-2004
10 * DENX Software Engineering
11 * Wolfgang Denk, wd@denx.de
13 * Updated-by: Prafulla Wadaskar <prafulla@marvell.com>
14 * FIT image specific code abstracted from mkimage.c
15 * some functions added to address abstraction
17 * All rights reserved.
20 #include "imagetool.h"
22 #include "fit_common.h"
24 #include <u-boot/crc.h>
26 int fit_verify_header(unsigned char *ptr
, int image_size
,
27 struct image_tool_params
*params
)
29 return fdt_check_header(ptr
);
32 int fit_check_image_types(uint8_t type
)
34 if (type
== IH_TYPE_FLATDT
)
40 int mmap_fdt(const char *cmdname
, const char *fname
, size_t size_inc
,
41 void **blobp
, struct stat
*sbuf
, bool delete_on_error
)
46 /* Load FIT blob into memory (we need to write hashes/signatures) */
47 fd
= open(fname
, O_RDWR
| O_BINARY
);
50 fprintf(stderr
, "%s: Can't open %s: %s\n",
51 cmdname
, fname
, strerror(errno
));
55 if (fstat(fd
, sbuf
) < 0) {
56 fprintf(stderr
, "%s: Can't stat %s: %s\n",
57 cmdname
, fname
, strerror(errno
));
62 sbuf
->st_size
+= size_inc
;
63 if (ftruncate(fd
, sbuf
->st_size
)) {
64 fprintf(stderr
, "%s: Can't expand %s: %s\n",
65 cmdname
, fname
, strerror(errno
));
71 ptr
= mmap(0, sbuf
->st_size
, PROT_READ
|PROT_WRITE
, MAP_SHARED
, fd
, 0);
72 if ((ptr
== MAP_FAILED
) || (errno
!= 0)) {
73 fprintf(stderr
, "%s: Can't read %s: %s\n",
74 cmdname
, fname
, strerror(errno
));
78 /* check if ptr has a valid blob */
79 if (fdt_check_header(ptr
)) {
80 fprintf(stderr
, "%s: Invalid FIT blob\n", cmdname
);
84 /* expand if needed */
88 ret
= fdt_open_into(ptr
, ptr
, sbuf
->st_size
);
90 fprintf(stderr
, "%s: Cannot expand FDT: %s\n",
91 cmdname
, fdt_strerror(ret
));