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);
}
/**
* image_multi_getimg - get component data address and size
* @hdr: pointer to the header of the multi component image
* @idx: index of the requested component
* @data: pointer to a ulong variable, will hold component data address
* @len: pointer to a ulong variable, will hold component size
*
* image_multi_getimg() returns size and data address for the requested
* component in a multi component image.
*
* Note: no checking of the image type is done, caller must pass
* a valid multi component image.
*
* returns:
* data address and size of the component, if idx is valid
* 0 in data and len, if idx is out of range
*/
void image_multi_getimg(const image_header_t *hdr, ulong idx,
ulong *data, ulong *len)
{
int i;
uint32_t *size;
ulong offset, count, img_data;
/* get number of component */
count = image_multi_count(hdr);
/* get start of the image payload, which in case of multi
* component images that points to a table of component sizes */
size = (uint32_t *)image_get_data(hdr);
/* get address of the proper component data start, which means
* skipping sizes table (add 1 for last, null entry) */
img_data = image_get_data(hdr) + (count + 1) * sizeof (uint32_t);
if (idx < count) {
*len = uimage_to_cpu(size[idx]);
offset = 0;
/* go over all indices preceding requested component idx */
for (i = 0; i < idx; i++) {
/* add up i-th component size, rounding up to 4 bytes */
offset += (uimage_to_cpu(size[i]) + 3) & ~3 ;
}
/* calculate idx-th component data address */
*data = img_data + offset;
} else {
*len = 0;
*data = 0;
}
}
void image_print_contents(const void *ptr)
{
const image_header_t *hdr = (const image_header_t *)ptr;
const char *p;
#ifdef __BAREBOX__
p = " ";
#else
p = "";
#endif
printf("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name(hdr));
#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || !defined(__BAREBOX__)
printf("%sCreated: ", p);
image_print_time((time_t)image_get_time(hdr));
#endif
printf ("%sImage Type: ", p);
image_print_type(hdr);
printf ("%sData Size: ", p);
image_print_size(image_get_data_size(hdr));
printf ("%sLoad Address: %08x\n", p, image_get_load(hdr));
printf ("%sEntry Point: %08x\n", p, image_get_ep(hdr));
if (image_check_type(hdr, IH_TYPE_MULTI) ||
image_check_type(hdr, IH_TYPE_SCRIPT)) {
int i;
ulong data, len;
ulong count = image_multi_count(hdr);
printf ("%sContents:\n", p);
for (i = 0; i < count; i++) {
image_multi_getimg(hdr, i, &data, &len);
printf("%s Image %d: ", p, i);
image_print_size(len);
if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) {
/*
* the user may need to know offsets
* if planning to do something with
* multiple files
*/
printf("%s Offset = 0x%08lx\n", p, data);
}
}
}
}
/**
* image_print_contents - prints out the contents of the legacy format image
* @ptr: pointer to the legacy format image header
* @p: pointer to prefix string
*
* image_print_contents() formats a multi line legacy image contents description.
* The routine prints out all header fields followed by the size/offset data
* for MULTI/SCRIPT images.
*
* returns:
* no returned results
*/
void image_print_contents(const void *ptr)
{
const image_header_t *hdr = (const image_header_t *)ptr;
const char __maybe_unused *p;
p = IMAGE_INDENT_STRING;
printf("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name(hdr));
if (IMAGE_ENABLE_TIMESTAMP) {
printf("%sCreated: ", p);
genimg_print_time((time_t)image_get_time(hdr));
}
printf("%sImage Type: ", p);
image_print_type(hdr);
printf("%sData Size: ", p);
genimg_print_size(image_get_data_size(hdr));
printf("%sLoad Address: %08x\n", p, image_get_load(hdr));
printf("%sEntry Point: %08x\n", p, image_get_ep(hdr));
if (image_check_type(hdr, IH_TYPE_MULTI) ||
image_check_type(hdr, IH_TYPE_SCRIPT)) {
int i;
ulong data, len;
ulong count = image_multi_count(hdr);
printf("%sContents:\n", p);
for (i = 0; i < count; i++) {
image_multi_getimg(hdr, i, &data, &len);
printf("%s Image %d: ", p, i);
genimg_print_size(len);
if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) {
/*
* the user may need to know offsets
* if planning to do something with
* multiple files
*/
printf("%s Offset = 0x%08lx\n", p, data);
}
}
} else if (image_check_type(hdr, IH_TYPE_FIRMWARE_IVT)) {
printf("HAB Blocks: 0x%08x 0x0000 0x%08x\n",
image_get_load(hdr) - image_get_header_size(),
image_get_size(hdr) + image_get_header_size()
- 0x1FE0);
}
}
static int
do_imgextract(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
{
ulong addr = load_addr;
ulong dest = 0;
ulong data, len;
int verify;
int part = 0;
#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
ulong count;
image_header_t *hdr = NULL;
#endif
#if defined(CONFIG_FIT)
const char *uname = NULL;
const void* fit_hdr;
int noffset;
const void *fit_data;
size_t fit_len;
#endif
#ifdef CONFIG_GZIP
uint unc_len = CONFIG_SYS_XIMG_LEN;
#endif
uint8_t comp;
verify = env_get_yesno("verify");
if (argc > 1) {
addr = simple_strtoul(argv[1], NULL, 16);
}
if (argc > 2) {
part = simple_strtoul(argv[2], NULL, 16);
#if defined(CONFIG_FIT)
uname = argv[2];
#endif
}
if (argc > 3) {
dest = simple_strtoul(argv[3], NULL, 16);
}
switch (genimg_get_format((void *)addr)) {
#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
case IMAGE_FORMAT_LEGACY:
printf("## Copying part %d from legacy image "
"at %08lx ...\n", part, addr);
hdr = (image_header_t *)addr;
if (!image_check_magic(hdr)) {
printf("Bad Magic Number\n");
return 1;
}
if (!image_check_hcrc(hdr)) {
printf("Bad Header Checksum\n");
return 1;
}
#ifdef DEBUG
image_print_contents(hdr);
#endif
if (!image_check_type(hdr, IH_TYPE_MULTI) &&
!image_check_type(hdr, IH_TYPE_SCRIPT)) {
printf("Wrong Image Type for %s command\n",
cmdtp->name);
return 1;
}
comp = image_get_comp(hdr);
if ((comp != IH_COMP_NONE) && (argc < 4)) {
printf("Must specify load address for %s command "
"with compressed image\n",
cmdtp->name);
return 1;
}
if (verify) {
printf(" Verifying Checksum ... ");
if (!image_check_dcrc(hdr)) {
printf("Bad Data CRC\n");
return 1;
}
printf("OK\n");
}
count = image_multi_count(hdr);
if (part >= count) {
printf("Bad Image Part\n");
return 1;
}
image_multi_getimg(hdr, part, &data, &len);
break;
#endif
#if defined(CONFIG_FIT)
case IMAGE_FORMAT_FIT:
if (uname == NULL) {
puts("No FIT subimage unit name\n");
return 1;
}
printf("## Copying '%s' subimage from FIT image "
"at %08lx ...\n", uname, addr);
fit_hdr = (const void *)addr;
if (!fit_check_format(fit_hdr)) {
puts("Bad FIT image format\n");
return 1;
}
/* get subimage node offset */
noffset = fit_image_get_node(fit_hdr, uname);
if (noffset < 0) {
printf("Can't find '%s' FIT subimage\n", uname);
return 1;
}
if (!fit_image_check_comp(fit_hdr, noffset, IH_COMP_NONE)
&& (argc < 4)) {
printf("Must specify load address for %s command "
"with compressed image\n",
cmdtp->name);
return 1;
}
/* verify integrity */
if (verify) {
if (!fit_image_verify(fit_hdr, noffset)) {
puts("Bad Data Hash\n");
return 1;
}
}
/* get subimage/external data address and length */
if (fit_image_get_data_and_size(fit_hdr, noffset,
&fit_data, &fit_len)) {
puts("Could not find script subimage data\n");
return 1;
}
if (fit_image_get_comp(fit_hdr, noffset, &comp)) {
puts("Could not find script subimage "
"compression type\n");
return 1;
}
data = (ulong)fit_data;
len = (ulong)fit_len;
break;
#endif
default:
puts("Invalid image type for imxtract\n");
return 1;
}
if (argc > 3) {
switch (comp) {
case IH_COMP_NONE:
#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
{
size_t l = len;
size_t tail;
void *to = (void *) dest;
void *from = (void *)data;
printf(" Loading part %d ... ", part);
while (l > 0) {
tail = (l > CHUNKSZ) ? CHUNKSZ : l;
WATCHDOG_RESET();
memmove(to, from, tail);
to += tail;
from += tail;
l -= tail;
}
}
#else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
printf(" Loading part %d ... ", part);
memmove((char *) dest, (char *)data, len);
#endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
break;
#ifdef CONFIG_GZIP
case IH_COMP_GZIP:
printf(" Uncompressing part %d ... ", part);
if (gunzip((void *) dest, unc_len,
(uchar *) data, &len) != 0) {
puts("GUNZIP ERROR - image not loaded\n");
return 1;
}
break;
#endif
#if defined(CONFIG_BZIP2) && defined(CONFIG_IMAGE_FORMAT_LEGACY)
case IH_COMP_BZIP2:
{
int i;
printf(" Uncompressing part %d ... ", part);
/*
* If we've got less than 4 MB of malloc()
* space, use slower decompression algorithm
* which requires at most 2300 KB of memory.
*/
i = BZ2_bzBuffToBuffDecompress(
map_sysmem(ntohl(hdr->ih_load), 0),
&unc_len, (char *)data, len,
CONFIG_SYS_MALLOC_LEN < (4096 * 1024),
0);
if (i != BZ_OK) {
printf("BUNZIP2 ERROR %d - "
"image not loaded\n", i);
return 1;
}
}
break;
#endif /* CONFIG_BZIP2 */
default:
printf("Unimplemented compression type %d\n", comp);
return 1;
}
puts("OK\n");
}
flush_cache(dest, ALIGN(len, ARCH_DMA_MINALIGN));
env_set_hex("fileaddr", data);
env_set_hex("filesize", len);
return 0;
}