u-boot/tools/default_image.c
Tom Rini 83d290c56f SPDX: Convert all of our single license tags to Linux Kernel style
When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from.  So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry.  Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.

In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.

This commit changes all instances where we have a single declared
license in the tag as both the before and after are identical in tag
contents.  There's also a few places where I found we did not have a tag
and have introduced one.

Signed-off-by: Tom Rini <trini@konsulko.com>
2018-05-07 09:34:12 -04:00

184 lines
4.6 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2008 Semihalf
*
* (C) Copyright 2000-2004
* DENX Software Engineering
* Wolfgang Denk, wd@denx.de
*
* Updated-by: Prafulla Wadaskar <prafulla@marvell.com>
* default_image specific code abstracted from mkimage.c
* some functions added to address abstraction
*
* All rights reserved.
*/
#include "imagetool.h"
#include "mkimage.h"
#include <image.h>
#include <tee/optee.h>
#include <u-boot/crc.h>
static image_header_t header;
static int image_check_image_types(uint8_t type)
{
if (((type > IH_TYPE_INVALID) && (type < IH_TYPE_FLATDT)) ||
(type == IH_TYPE_KERNEL_NOLOAD) || (type == IH_TYPE_FIRMWARE_IVT))
return EXIT_SUCCESS;
else
return EXIT_FAILURE;
}
static int image_check_params(struct image_tool_params *params)
{
return ((params->dflag && (params->fflag || params->lflag)) ||
(params->fflag && (params->dflag || params->lflag)) ||
(params->lflag && (params->dflag || params->fflag)));
}
static int image_verify_header(unsigned char *ptr, int image_size,
struct image_tool_params *params)
{
uint32_t len;
const unsigned char *data;
uint32_t checksum;
image_header_t header;
image_header_t *hdr = &header;
/*
* create copy of header so that we can blank out the
* checksum field for checking - this can't be done
* on the PROT_READ mapped data.
*/
memcpy(hdr, ptr, sizeof(image_header_t));
if (be32_to_cpu(hdr->ih_magic) != IH_MAGIC) {
debug("%s: Bad Magic Number: \"%s\" is no valid image\n",
params->cmdname, params->imagefile);
return -FDT_ERR_BADMAGIC;
}
data = (const unsigned char *)hdr;
len = sizeof(image_header_t);
checksum = be32_to_cpu(hdr->ih_hcrc);
hdr->ih_hcrc = cpu_to_be32(0); /* clear for re-calculation */
if (crc32(0, data, len) != checksum) {
debug("%s: ERROR: \"%s\" has bad header checksum!\n",
params->cmdname, params->imagefile);
return -FDT_ERR_BADSTATE;
}
data = (const unsigned char *)ptr + sizeof(image_header_t);
len = image_size - sizeof(image_header_t) ;
checksum = be32_to_cpu(hdr->ih_dcrc);
if (crc32(0, data, len) != checksum) {
debug("%s: ERROR: \"%s\" has corrupted data!\n",
params->cmdname, params->imagefile);
return -FDT_ERR_BADSTRUCTURE;
}
return 0;
}
static void image_set_header(void *ptr, struct stat *sbuf, int ifd,
struct image_tool_params *params)
{
uint32_t checksum;
time_t time;
uint32_t imagesize;
uint32_t ep;
uint32_t addr;
image_header_t * hdr = (image_header_t *)ptr;
checksum = crc32(0,
(const unsigned char *)(ptr +
sizeof(image_header_t)),
sbuf->st_size - sizeof(image_header_t));
time = imagetool_get_source_date(params, sbuf->st_mtime);
ep = params->ep;
addr = params->addr;
if (params->type == IH_TYPE_FIRMWARE_IVT)
/* Add size of CSF minus IVT */
imagesize = sbuf->st_size - sizeof(image_header_t) + 0x1FE0;
else
imagesize = sbuf->st_size - sizeof(image_header_t);
if (params->os == IH_OS_TEE) {
addr = optee_image_get_load_addr(hdr);
ep = optee_image_get_entry_point(hdr);
}
/* Build new header */
image_set_magic(hdr, IH_MAGIC);
image_set_time(hdr, time);
image_set_size(hdr, imagesize);
image_set_load(hdr, addr);
image_set_ep(hdr, ep);
image_set_dcrc(hdr, checksum);
image_set_os(hdr, params->os);
image_set_arch(hdr, params->arch);
image_set_type(hdr, params->type);
image_set_comp(hdr, params->comp);
image_set_name(hdr, params->imagename);
checksum = crc32(0, (const unsigned char *)hdr,
sizeof(image_header_t));
image_set_hcrc(hdr, checksum);
}
static int image_extract_subimage(void *ptr, struct image_tool_params *params)
{
const image_header_t *hdr = (const image_header_t *)ptr;
ulong file_data;
ulong file_len;
if (image_check_type(hdr, IH_TYPE_MULTI)) {
ulong idx = params->pflag;
ulong count;
/* get the number of data files present in the image */
count = image_multi_count(hdr);
/* retrieve the "data file" at the idx position */
image_multi_getimg(hdr, idx, &file_data, &file_len);
if ((file_len == 0) || (idx >= count)) {
fprintf(stderr, "%s: No such data file %ld in \"%s\"\n",
params->cmdname, idx, params->imagefile);
return -1;
}
} else {
file_data = image_get_data(hdr);
file_len = image_get_size(hdr);
}
/* save the "data file" into the file system */
return imagetool_save_subimage(params->outfile, file_data, file_len);
}
/*
* Default image type parameters definition
*/
U_BOOT_IMAGE_TYPE(
defimage,
"Default Image support",
sizeof(image_header_t),
(void *)&header,
image_check_params,
image_verify_header,
image_print_contents,
image_set_header,
image_extract_subimage,
image_check_image_types,
NULL,
NULL
);