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add FIT data-position & data-offset property support

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Add FIT data-position & data-offset property support for bootm,
which were already supported in SPL.

Signed-off-by: Kelvin Cheung <keguang.zhang@gmail.com>
This commit is contained in:
Kelvin Cheung 2018-05-19 18:21:37 +08:00 committed by Tom Rini
parent ee038c58d5
commit c3c8638804
2 changed files with 53 additions and 3 deletions
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54
common/image-fit.c
View file

@ -474,7 +474,7 @@ void fit_image_print(const void *fit, int image_noffset, const char *p)
fit_image_get_comp(fit, image_noffset, &comp);
printf("%s Compression: %s\n", p, genimg_get_comp_name(comp));
ret = fit_image_get_data(fit, image_noffset, &data, &size);
ret = fit_image_get_data_and_size(fit, image_noffset, &data, &size);
#ifndef USE_HOSTCC
printf("%s Data Start: ", p);
@ -940,6 +940,54 @@ int fit_image_get_data_size(const void *fit, int noffset, int *data_size)
return 0;
}
/**
* fit_image_get_data_and_size - get data and its size including
* both embedded and external data
* @fit: pointer to the FIT format image header
* @noffset: component image node offset
* @data: double pointer to void, will hold data property's data address
* @size: pointer to size_t, will hold data property's data size
*
* fit_image_get_data_and_size() finds data and its size including
* both embedded and external data. If the property is found
* its data start address and size are returned to the caller.
*
* returns:
* 0, on success
* otherwise, on failure
*/
int fit_image_get_data_and_size(const void *fit, int noffset,
const void **data, size_t *size)
{
bool external_data = false;
int offset;
int len;
int ret;
if (!fit_image_get_data_position(fit, noffset, &offset)) {
external_data = true;
} else if (!fit_image_get_data_offset(fit, noffset, &offset)) {
external_data = true;
/*
* For FIT with external data, figure out where
* the external images start. This is the base
* for the data-offset properties in each image.
*/
offset += ((fdt_totalsize(fit) + 3) & ~3);
}
if (external_data) {
debug("External Data\n");
ret = fit_image_get_data_size(fit, noffset, &len);
*data = fit + offset;
*size = len;
} else {
ret = fit_image_get_data(fit, noffset, data, size);
}
return ret;
}
/**
* fit_image_hash_get_algo - get hash algorithm name
* @fit: pointer to the FIT format image header
@ -1238,7 +1286,7 @@ int fit_image_verify(const void *fit, int image_noffset)
char *err_msg = "";
/* Get image data and data length */
if (fit_image_get_data(fit, image_noffset, &data, &size)) {
if (fit_image_get_data_and_size(fit, image_noffset, &data, &size)) {
err_msg = "Can't get image data/size";
printf("error!\n%s for '%s' hash node in '%s' image node\n",
err_msg, fit_get_name(fit, noffset, NULL),
@ -1876,7 +1924,7 @@ int fit_image_load(bootm_headers_t *images, ulong addr,
bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL_OK);
/* get image data address and length */
if (fit_image_get_data(fit, noffset, &buf, &size)) {
if (fit_image_get_data_and_size(fit, noffset, &buf, &size)) {
printf("Could not find %s subimage data!\n", prop_name);
bootstage_error(bootstage_id + BOOTSTAGE_SUB_GET_DATA);
return -ENOENT;

2
include/image.h
View file

@ -988,6 +988,8 @@ int fit_image_get_data_offset(const void *fit, int noffset, int *data_offset);
int fit_image_get_data_position(const void *fit, int noffset,
int *data_position);
int fit_image_get_data_size(const void *fit, int noffset, int *data_size);
int fit_image_get_data_and_size(const void *fit, int noffset,
const void **data, size_t *size);
int fit_image_hash_get_algo(const void *fit, int noffset, char **algo);
int fit_image_hash_get_value(const void *fit, int noffset, uint8_t **value,