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/*
* (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;
}
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