3 * DENX Software Engineering
4 * Heiko Schocher <hs@denx.de>
6 * (C) Copyright 2008 Semihalf
8 * (C) Copyright 2000-2004
9 * DENX Software Engineering
10 * Wolfgang Denk, wd@denx.de
12 * Updated-by: Prafulla Wadaskar <prafulla@marvell.com>
13 * FIT image specific code abstracted from mkimage.c
14 * some functions added to address abstraction
16 * All rights reserved.
18 * SPDX-License-Identifier: GPL-2.0+
21 #include "imagetool.h"
23 #include "fit_common.h"
25 #include <u-boot/crc.h>
27 int fit_verify_header(unsigned char *ptr, int image_size,
28 struct image_tool_params *params)
30 return fdt_check_header(ptr);
33 int fit_check_image_types(uint8_t type)
35 if (type == IH_TYPE_FLATDT)
41 int mmap_fdt(char *cmdname, const char *fname, void **blobp,
42 struct stat *sbuf, int useunlink)
47 /* Load FIT blob into memory (we need to write hashes/signatures) */
48 fd = open(fname, O_RDWR | O_BINARY);
51 fprintf(stderr, "%s: Can't open %s: %s\n",
52 cmdname, fname, strerror(errno));
58 if (fstat(fd, sbuf) < 0) {
59 fprintf(stderr, "%s: Can't stat %s: %s\n",
60 cmdname, fname, strerror(errno));
67 ptr = mmap(0, sbuf->st_size, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
68 if ((ptr == MAP_FAILED) || (errno != 0)) {
69 fprintf(stderr, "%s: Can't read %s: %s\n",
70 cmdname, fname, strerror(errno));
76 /* check if ptr has a valid blob */
77 if (fdt_check_header(ptr)) {
78 fprintf(stderr, "%s: Invalid FIT blob\n", cmdname);