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));