/**
* fit_conf_get_node - get node offset for configuration of a given unit name
* @fit: pointer to the FIT format image header
* @conf_uname: configuration node unit name
*
* fit_conf_get_node() finds a configuration (withing the '/configurations'
* parant node) of a provided unit name. If configuration is found its node
* offset is returned to the caller.
*
* When NULL is provided in second argument fit_conf_get_node() will search
* for a default configuration node instead. Default configuration node unit
* name is retrived from FIT_DEFAULT_PROP property of the '/configurations'
* node.
*
* returns:
* configuration node offset when found (>=0)
* negative number on failure (FDT_ERR_* code)
*/
int fit_conf_get_node(const void *fit, const char *conf_uname)
{
int noffset, confs_noffset;
int len;
confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH);
if (confs_noffset < 0) {
debug("Can't find configurations parent node '%s' (%s)\n",
FIT_CONFS_PATH, fdt_strerror(confs_noffset));
return confs_noffset;
}
if (conf_uname == NULL) {
/* get configuration unit name from the default property */
debug("No configuration specified, trying default...\n");
conf_uname = (char *)fdt_getprop(fit, confs_noffset,
FIT_DEFAULT_PROP, &len);
if (conf_uname == NULL) {
fit_get_debug(fit, confs_noffset, FIT_DEFAULT_PROP,
len);
return len;
}
debug("Found default configuration: '%s'\n", conf_uname);
}
noffset = fdt_subnode_offset(fit, confs_noffset, conf_uname);
if (noffset < 0) {
debug("Can't get node offset for configuration unit name: '%s' (%s)\n",
conf_uname, fdt_strerror(noffset));
}
return noffset;
}
static int fit_image_get_address(const void *fit, int noffset, char *name,
ulong *load)
{
int len, cell_len;
const fdt32_t *cell;
uint64_t load64 = 0;
cell = fdt_getprop(fit, noffset, name, &len);
if (cell == NULL) {
fit_get_debug(fit, noffset, name, len);
return -1;
}
if (len > sizeof(ulong)) {
printf("Unsupported %s address size\n", name);
return -1;
}
cell_len = len >> 2;
/* Use load64 to avoid compiling warning for 32-bit target */
while (cell_len--) {
load64 = (load64 << 32) | uimage_to_cpu(*cell);
cell++;
}
*load = (ulong)load64;
return 0;
}
/**
* fit_image_hash_get_algo - get hash algorithm name
* @fit: pointer to the FIT format image header
* @noffset: hash node offset
* @algo: double pointer to char, will hold pointer to the algorithm name
*
* fit_image_hash_get_algo() finds hash algorithm property in a given hash node.
* If the property is found its data start address is returned to the caller.
*
* returns:
* 0, on success
* -1, on failure
*/
int fit_image_hash_get_algo(const void *fit, int noffset, char **algo)
{
int len;
*algo = (char *)fdt_getprop(fit, noffset, FIT_ALGO_PROP, &len);
if (*algo == NULL) {
fit_get_debug(fit, noffset, FIT_ALGO_PROP, len);
return -1;
}
return 0;
}
/**
* fit_get_desc - get node description property
* @fit: pointer to the FIT format image header
* @noffset: node offset
* @desc: double pointer to the char, will hold pointer to the descrption
*
* fit_get_desc() reads description property from a given node, if
* description is found pointer to it is returened in third call argument.
*
* returns:
* 0, on success
* -1, on failure
*/
int fit_get_desc(const void *fit, int noffset, char **desc)
{
int len;
*desc = (char *)fdt_getprop(fit, noffset, FIT_DESC_PROP, &len);
if (*desc == NULL) {
fit_get_debug(fit, noffset, FIT_DESC_PROP, len);
return -1;
}
return 0;
}
/**
* fit_image_get_entry() - get entry point address property
* @fit: pointer to the FIT format image header
* @noffset: component image node offset
* @entry: pointer to the uint32_t, will hold entry point address
*
* This gets the entry point address property for a given component image
* node.
*
* fit_image_get_entry() finds entry point address property in a given
* component image node. If the property is found, its value is returned
* to the caller.
*
* returns:
* 0, on success
* -1, on failure
*/
int fit_image_get_entry(const void *fit, int noffset, ulong *entry)
{
int len;
const uint32_t *data;
data = fdt_getprop(fit, noffset, FIT_ENTRY_PROP, &len);
if (data == NULL) {
fit_get_debug(fit, noffset, FIT_ENTRY_PROP, len);
return -1;
}
*entry = uimage_to_cpu(*data);
return 0;
}
/**
* fit_image_get_load() - get load addr property for given component image node
* @fit: pointer to the FIT format image header
* @noffset: component image node offset
* @load: pointer to the uint32_t, will hold load address
*
* fit_image_get_load() finds load address property in a given component
* image node. If the property is found, its value is returned to the caller.
*
* returns:
* 0, on success
* -1, on failure
*/
int fit_image_get_load(const void *fit, int noffset, ulong *load)
{
int len;
const uint32_t *data;
data = fdt_getprop(fit, noffset, FIT_LOAD_PROP, &len);
if (data == NULL) {
fit_get_debug(fit, noffset, FIT_LOAD_PROP, len);
return -1;
}
*load = uimage_to_cpu(*data);
return 0;
}
/**
* fit_image_hash_get_value - get hash value and length
* @fit: pointer to the FIT format image header
* @noffset: hash node offset
* @value: double pointer to uint8_t, will hold address of a hash value data
* @value_len: pointer to an int, will hold hash data length
*
* fit_image_hash_get_value() finds hash value property in a given hash node.
* If the property is found its data start address and size are returned to
* the caller.
*
* returns:
* 0, on success
* -1, on failure
*/
int fit_image_hash_get_value(const void *fit, int noffset, uint8_t **value,
int *value_len)
{
int len;
*value = (uint8_t *)fdt_getprop(fit, noffset, FIT_VALUE_PROP, &len);
if (*value == NULL) {
fit_get_debug(fit, noffset, FIT_VALUE_PROP, len);
*value_len = 0;
return -1;
}
*value_len = len;
return 0;
}
/**
* fit_image_get_data - get data property and its size for a given component image node
* @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() finds data property in a given component image node.
* If the property is found its data start address and size are returned to
* the caller.
*
* returns:
* 0, on success
* -1, on failure
*/
int fit_image_get_data(const void *fit, int noffset,
const void **data, size_t *size)
{
int len;
*data = fdt_getprop(fit, noffset, FIT_DATA_PROP, &len);
if (*data == NULL) {
fit_get_debug(fit, noffset, FIT_DATA_PROP, len);
*size = 0;
return -1;
}
*size = len;
return 0;
}
/**
* fit_image_get_comp - get comp id for a given component image node
* @fit: pointer to the FIT format image header
* @noffset: component image node offset
* @comp: pointer to the uint8_t, will hold comp numeric id
*
* fit_image_get_comp() finds comp property in a given component image node.
* If the property is found, its (string) value is translated to the numeric
* id which is returned to the caller.
*
* returns:
* 0, on success
* -1, on failure
*/
int fit_image_get_comp(const void *fit, int noffset, uint8_t *comp)
{
int len;
const void *data;
/* Get compression name from property data */
data = fdt_getprop(fit, noffset, FIT_COMP_PROP, &len);
if (data == NULL) {
fit_get_debug(fit, noffset, FIT_COMP_PROP, len);
*comp = -1;
return -1;
}
/* Translate compression name to id */
*comp = genimg_get_comp_id(data);
return 0;
}
/**
* fit_image_get_type - get type id for a given component image node
* @fit: pointer to the FIT format image header
* @noffset: component image node offset
* @type: pointer to the uint8_t, will hold type numeric id
*
* fit_image_get_type() finds type property in a given component image node.
* If the property is found, its (string) value is translated to the numeric
* id which is returned to the caller.
*
* returns:
* 0, on success
* -1, on failure
*/
int fit_image_get_type(const void *fit, int noffset, uint8_t *type)
{
int len;
const void *data;
/* Get image type name from property data */
data = fdt_getprop(fit, noffset, FIT_TYPE_PROP, &len);
if (data == NULL) {
fit_get_debug(fit, noffset, FIT_TYPE_PROP, len);
*type = -1;
return -1;
}
/* Translate image type name to id */
*type = genimg_get_type_id(data);
return 0;
}
/**
* fit_image_get_arch - get arch id for a given component image node
* @fit: pointer to the FIT format image header
* @noffset: component image node offset
* @arch: pointer to the uint8_t, will hold arch numeric id
*
* fit_image_get_arch() finds arch property in a given component image node.
* If the property is found, its (string) value is translated to the numeric
* id which is returned to the caller.
*
* returns:
* 0, on success
* -1, on failure
*/
int fit_image_get_arch(const void *fit, int noffset, uint8_t *arch)
{
int len;
const void *data;
/* Get architecture name from property data */
data = fdt_getprop(fit, noffset, FIT_ARCH_PROP, &len);
if (data == NULL) {
fit_get_debug(fit, noffset, FIT_ARCH_PROP, len);
*arch = -1;
return -1;
}
/* Translate architecture name to id */
*arch = genimg_get_arch_id(data);
return 0;
}
/**
* fit_image_get_os - get os id for a given component image node
* @fit: pointer to the FIT format image header
* @noffset: component image node offset
* @os: pointer to the uint8_t, will hold os numeric id
*
* fit_image_get_os() finds os property in a given component image node.
* If the property is found, its (string) value is translated to the numeric
* id which is returned to the caller.
*
* returns:
* 0, on success
* -1, on failure
*/
int fit_image_get_os(const void *fit, int noffset, uint8_t *os)
{
int len;
const void *data;
/* Get OS name from property data */
data = fdt_getprop(fit, noffset, FIT_OS_PROP, &len);
if (data == NULL) {
fit_get_debug(fit, noffset, FIT_OS_PROP, len);
*os = -1;
return -1;
}
/* Translate OS name to id */
*os = genimg_get_os_id(data);
return 0;
}
/**
* fit_get_timestamp - get node timestamp property
* @fit: pointer to the FIT format image header
* @noffset: node offset
* @timestamp: pointer to the time_t, will hold read timestamp
*
* fit_get_timestamp() reads timestamp poperty from given node, if timestamp
* is found and has a correct size its value is retured in third call
* argument.
*
* returns:
* 0, on success
* -1, on property read failure
* -2, on wrong timestamp size
*/
int fit_get_timestamp(const void *fit, int noffset, time_t *timestamp)
{
int len;
const void *data;
data = fdt_getprop(fit, noffset, FIT_TIMESTAMP_PROP, &len);
if (data == NULL) {
fit_get_debug(fit, noffset, FIT_TIMESTAMP_PROP, len);
return -1;
}
if (len != sizeof(uint32_t)) {
debug("FIT timestamp with incorrect size of (%u)\n", len);
return -2;
}
*timestamp = uimage_to_cpu(*((uint32_t *)data));
return 0;
}