mirror of
https://github.com/u-boot/u-boot.git
synced 2024-12-12 22:33:27 +08:00
6bf4ca076f
add fit_info command to the host tools. This command prints the name, offset and the len from a property from a node in a fit file. This info can be used to extract a properties data with linux tools, for example "dd". Signed-off-by: Heiko Schocher <hs@denx.de> Acked-by: Simon Glass <sjg@chromium.org>
87 lines
1.8 KiB
C
87 lines
1.8 KiB
C
/*
|
|
* (C) Copyright 2014
|
|
* DENX Software Engineering
|
|
* Heiko Schocher <hs@denx.de>
|
|
*
|
|
* (C) Copyright 2008 Semihalf
|
|
*
|
|
* (C) Copyright 2000-2004
|
|
* DENX Software Engineering
|
|
* Wolfgang Denk, wd@denx.de
|
|
*
|
|
* Updated-by: Prafulla Wadaskar <prafulla@marvell.com>
|
|
* FIT image specific code abstracted from mkimage.c
|
|
* some functions added to address abstraction
|
|
*
|
|
* All rights reserved.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include "imagetool.h"
|
|
#include "mkimage.h"
|
|
#include "fit_common.h"
|
|
#include <image.h>
|
|
#include <u-boot/crc.h>
|
|
|
|
int fit_verify_header(unsigned char *ptr, int image_size,
|
|
struct image_tool_params *params)
|
|
{
|
|
return fdt_check_header(ptr);
|
|
}
|
|
|
|
int fit_check_image_types(uint8_t type)
|
|
{
|
|
if (type == IH_TYPE_FLATDT)
|
|
return EXIT_SUCCESS;
|
|
else
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
int mmap_fdt(char *cmdname, const char *fname, void **blobp,
|
|
struct stat *sbuf, int useunlink)
|
|
{
|
|
void *ptr;
|
|
int fd;
|
|
|
|
/* Load FIT blob into memory (we need to write hashes/signatures) */
|
|
fd = open(fname, O_RDWR | O_BINARY);
|
|
|
|
if (fd < 0) {
|
|
fprintf(stderr, "%s: Can't open %s: %s\n",
|
|
cmdname, fname, strerror(errno));
|
|
if (useunlink)
|
|
unlink(fname);
|
|
return -1;
|
|
}
|
|
|
|
if (fstat(fd, sbuf) < 0) {
|
|
fprintf(stderr, "%s: Can't stat %s: %s\n",
|
|
cmdname, fname, strerror(errno));
|
|
if (useunlink)
|
|
unlink(fname);
|
|
return -1;
|
|
}
|
|
|
|
errno = 0;
|
|
ptr = mmap(0, sbuf->st_size, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
|
|
if ((ptr == MAP_FAILED) || (errno != 0)) {
|
|
fprintf(stderr, "%s: Can't read %s: %s\n",
|
|
cmdname, fname, strerror(errno));
|
|
if (useunlink)
|
|
unlink(fname);
|
|
return -1;
|
|
}
|
|
|
|
/* check if ptr has a valid blob */
|
|
if (fdt_check_header(ptr)) {
|
|
fprintf(stderr, "%s: Invalid FIT blob\n", cmdname);
|
|
if (useunlink)
|
|
unlink(fname);
|
|
return -1;
|
|
}
|
|
|
|
*blobp = ptr;
|
|
return fd;
|
|
}
|