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(const char *cmdname, const char *fname, size_t size_inc,
42 void **blobp, struct stat *sbuf, bool delete_on_error)
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));
56 if (fstat(fd, sbuf) < 0) {
57 fprintf(stderr, "%s: Can't stat %s: %s\n",
58 cmdname, fname, strerror(errno));
63 sbuf->st_size += size_inc;
64 if (ftruncate(fd, sbuf->st_size)) {
65 fprintf(stderr, "%s: Can't expand %s: %s\n",
66 cmdname, fname, strerror(errno));
72 ptr = mmap(0, sbuf->st_size, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
73 if ((ptr == MAP_FAILED) || (errno != 0)) {
74 fprintf(stderr, "%s: Can't read %s: %s\n",
75 cmdname, fname, strerror(errno));
79 /* check if ptr has a valid blob */
80 if (fdt_check_header(ptr)) {
81 fprintf(stderr, "%s: Invalid FIT blob\n", cmdname);
85 /* expand if needed */
89 ret = fdt_open_into(ptr, ptr, sbuf->st_size);
91 fprintf(stderr, "%s: Cannot expand FDT: %s\n",
92 cmdname, fdt_strerror(ret));