--- /dev/null
+/*
+ * Copyright (c) 2013, Google Inc.
+ *
+ * (C) Copyright 2008 Semihalf
+ *
+ * (C) Copyright 2000-2006
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifdef USE_HOSTCC
+#include "mkimage.h"
+#include <image.h>
+#include <time.h>
+#else
+#include <common.h>
+#include <errno.h>
+#include <asm/io.h>
+DECLARE_GLOBAL_DATA_PTR;
+#endif /* !USE_HOSTCC*/
+
+#include <bootstage.h>
+#include <sha1.h>
+#include <u-boot/crc.h>
+#include <u-boot/md5.h>
+
+/*****************************************************************************/
+/* New uImage format routines */
+/*****************************************************************************/
+#ifndef USE_HOSTCC
+static int fit_parse_spec(const char *spec, char sepc, ulong addr_curr,
+ ulong *addr, const char **name)
+{
+ const char *sep;
+
+ *addr = addr_curr;
+ *name = NULL;
+
+ sep = strchr(spec, sepc);
+ if (sep) {
+ if (sep - spec > 0)
+ *addr = simple_strtoul(spec, NULL, 16);
+
+ *name = sep + 1;
+ return 1;
+ }
+
+ return 0;
+}
+
+/**
+ * fit_parse_conf - parse FIT configuration spec
+ * @spec: input string, containing configuration spec
+ * @add_curr: current image address (to be used as a possible default)
+ * @addr: pointer to a ulong variable, will hold FIT image address of a given
+ * configuration
+ * @conf_name double pointer to a char, will hold pointer to a configuration
+ * unit name
+ *
+ * fit_parse_conf() expects configuration spec in the for of [<addr>]#<conf>,
+ * where <addr> is a FIT image address that contains configuration
+ * with a <conf> unit name.
+ *
+ * Address part is optional, and if omitted default add_curr will
+ * be used instead.
+ *
+ * returns:
+ * 1 if spec is a valid configuration string,
+ * addr and conf_name are set accordingly
+ * 0 otherwise
+ */
+int fit_parse_conf(const char *spec, ulong addr_curr,
+ ulong *addr, const char **conf_name)
+{
+ return fit_parse_spec(spec, '#', addr_curr, addr, conf_name);
+}
+
+/**
+ * fit_parse_subimage - parse FIT subimage spec
+ * @spec: input string, containing subimage spec
+ * @add_curr: current image address (to be used as a possible default)
+ * @addr: pointer to a ulong variable, will hold FIT image address of a given
+ * subimage
+ * @image_name: double pointer to a char, will hold pointer to a subimage name
+ *
+ * fit_parse_subimage() expects subimage spec in the for of
+ * [<addr>]:<subimage>, where <addr> is a FIT image address that contains
+ * subimage with a <subimg> unit name.
+ *
+ * Address part is optional, and if omitted default add_curr will
+ * be used instead.
+ *
+ * returns:
+ * 1 if spec is a valid subimage string,
+ * addr and image_name are set accordingly
+ * 0 otherwise
+ */
+int fit_parse_subimage(const char *spec, ulong addr_curr,
+ ulong *addr, const char **image_name)
+{
+ return fit_parse_spec(spec, ':', addr_curr, addr, image_name);
+}
+#endif /* !USE_HOSTCC */
+
+static void fit_get_debug(const void *fit, int noffset,
+ char *prop_name, int err)
+{
+ debug("Can't get '%s' property from FIT 0x%08lx, node: offset %d, name %s (%s)\n",
+ prop_name, (ulong)fit, noffset, fit_get_name(fit, noffset, NULL),
+ fdt_strerror(err));
+}
+
+#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_FIT_SPL_PRINT)
+/**
+ * fit_print_contents - prints out the contents of the FIT format image
+ * @fit: pointer to the FIT format image header
+ * @p: pointer to prefix string
+ *
+ * fit_print_contents() formats a multi line FIT image contents description.
+ * The routine prints out FIT image properties (root node level) follwed by
+ * the details of each component image.
+ *
+ * returns:
+ * no returned results
+ */
+void fit_print_contents(const void *fit)
+{
+ char *desc;
+ char *uname;
+ int images_noffset;
+ int confs_noffset;
+ int noffset;
+ int ndepth;
+ int count = 0;
+ int ret;
+ const char *p;
+ time_t timestamp;
+
+ /* Indent string is defined in header image.h */
+ p = IMAGE_INDENT_STRING;
+
+ /* Root node properties */
+ ret = fit_get_desc(fit, 0, &desc);
+ printf("%sFIT description: ", p);
+ if (ret)
+ printf("unavailable\n");
+ else
+ printf("%s\n", desc);
+
+ if (IMAGE_ENABLE_TIMESTAMP) {
+ ret = fit_get_timestamp(fit, 0, ×tamp);
+ printf("%sCreated: ", p);
+ if (ret)
+ printf("unavailable\n");
+ else
+ genimg_print_time(timestamp);
+ }
+
+ /* Find images parent node offset */
+ images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
+ if (images_noffset < 0) {
+ printf("Can't find images parent node '%s' (%s)\n",
+ FIT_IMAGES_PATH, fdt_strerror(images_noffset));
+ return;
+ }
+
+ /* Process its subnodes, print out component images details */
+ for (ndepth = 0, count = 0,
+ noffset = fdt_next_node(fit, images_noffset, &ndepth);
+ (noffset >= 0) && (ndepth > 0);
+ noffset = fdt_next_node(fit, noffset, &ndepth)) {
+ if (ndepth == 1) {
+ /*
+ * Direct child node of the images parent node,
+ * i.e. component image node.
+ */
+ printf("%s Image %u (%s)\n", p, count++,
+ fit_get_name(fit, noffset, NULL));
+
+ fit_image_print(fit, noffset, p);
+ }
+ }
+
+ /* Find configurations parent node offset */
+ confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH);
+ if (confs_noffset < 0) {
+ debug("Can't get configurations parent node '%s' (%s)\n",
+ FIT_CONFS_PATH, fdt_strerror(confs_noffset));
+ return;
+ }
+
+ /* get default configuration unit name from default property */
+ uname = (char *)fdt_getprop(fit, noffset, FIT_DEFAULT_PROP, NULL);
+ if (uname)
+ printf("%s Default Configuration: '%s'\n", p, uname);
+
+ /* Process its subnodes, print out configurations details */
+ for (ndepth = 0, count = 0,
+ noffset = fdt_next_node(fit, confs_noffset, &ndepth);
+ (noffset >= 0) && (ndepth > 0);
+ noffset = fdt_next_node(fit, noffset, &ndepth)) {
+ if (ndepth == 1) {
+ /*
+ * Direct child node of the configurations parent node,
+ * i.e. configuration node.
+ */
+ printf("%s Configuration %u (%s)\n", p, count++,
+ fit_get_name(fit, noffset, NULL));
+
+ fit_conf_print(fit, noffset, p);
+ }
+ }
+}
+
+/**
+ * fit_image_print_data() - prints out the hash node details
+ * @fit: pointer to the FIT format image header
+ * @noffset: offset of the hash node
+ * @p: pointer to prefix string
+ * @type: Type of information to print ("hash" or "sign")
+ *
+ * fit_image_print_data() lists properies for the processed hash node
+ *
+ * This function avoid using puts() since it prints a newline on the host
+ * but does not in U-Boot.
+ *
+ * returns:
+ * no returned results
+ */
+static void fit_image_print_data(const void *fit, int noffset, const char *p,
+ const char *type)
+{
+ const char *keyname;
+ uint8_t *value;
+ int value_len;
+ char *algo;
+ int required;
+ int ret, i;
+
+ debug("%s %s node: '%s'\n", p, type,
+ fit_get_name(fit, noffset, NULL));
+ printf("%s %s algo: ", p, type);
+ if (fit_image_hash_get_algo(fit, noffset, &algo)) {
+ printf("invalid/unsupported\n");
+ return;
+ }
+ printf("%s", algo);
+ keyname = fdt_getprop(fit, noffset, "key-name-hint", NULL);
+ required = fdt_getprop(fit, noffset, "required", NULL) != NULL;
+ if (keyname)
+ printf(":%s", keyname);
+ if (required)
+ printf(" (required)");
+ printf("\n");
+
+ ret = fit_image_hash_get_value(fit, noffset, &value,
+ &value_len);
+ printf("%s %s value: ", p, type);
+ if (ret) {
+ printf("unavailable\n");
+ } else {
+ for (i = 0; i < value_len; i++)
+ printf("%02x", value[i]);
+ printf("\n");
+ }
+
+ debug("%s %s len: %d\n", p, type, value_len);
+
+ /* Signatures have a time stamp */
+ if (IMAGE_ENABLE_TIMESTAMP && keyname) {
+ time_t timestamp;
+
+ printf("%s Timestamp: ", p);
+ if (fit_get_timestamp(fit, noffset, ×tamp))
+ printf("unavailable\n");
+ else
+ genimg_print_time(timestamp);
+ }
+}
+
+/**
+ * fit_image_print_verification_data() - prints out the hash/signature details
+ * @fit: pointer to the FIT format image header
+ * @noffset: offset of the hash or signature node
+ * @p: pointer to prefix string
+ *
+ * This lists properies for the processed hash node
+ *
+ * returns:
+ * no returned results
+ */
+static void fit_image_print_verification_data(const void *fit, int noffset,
+ const char *p)
+{
+ const char *name;
+
+ /*
+ * Check subnode name, must be equal to "hash" or "signature".
+ * Multiple hash/signature nodes require unique unit node
+ * names, e.g. hash@1, hash@2, signature@1, signature@2, etc.
+ */
+ name = fit_get_name(fit, noffset, NULL);
+ if (!strncmp(name, FIT_HASH_NODENAME, strlen(FIT_HASH_NODENAME))) {
+ fit_image_print_data(fit, noffset, p, "Hash");
+ } else if (!strncmp(name, FIT_SIG_NODENAME,
+ strlen(FIT_SIG_NODENAME))) {
+ fit_image_print_data(fit, noffset, p, "Sign");
+ }
+}
+
+/**
+ * fit_image_print - prints out the FIT component image details
+ * @fit: pointer to the FIT format image header
+ * @image_noffset: offset of the component image node
+ * @p: pointer to prefix string
+ *
+ * fit_image_print() lists all mandatory properies for the processed component
+ * image. If present, hash nodes are printed out as well. Load
+ * address for images of type firmware is also printed out. Since the load
+ * address is not mandatory for firmware images, it will be output as
+ * "unavailable" when not present.
+ *
+ * returns:
+ * no returned results
+ */
+void fit_image_print(const void *fit, int image_noffset, const char *p)
+{
+ char *desc;
+ uint8_t type, arch, os, comp;
+ size_t size;
+ ulong load, entry;
+ const void *data;
+ int noffset;
+ int ndepth;
+ int ret;
+
+ /* Mandatory properties */
+ ret = fit_get_desc(fit, image_noffset, &desc);
+ printf("%s Description: ", p);
+ if (ret)
+ printf("unavailable\n");
+ else
+ printf("%s\n", desc);
+
+ fit_image_get_type(fit, image_noffset, &type);
+ printf("%s Type: %s\n", p, genimg_get_type_name(type));
+
+ 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);
+
+#ifndef USE_HOSTCC
+ printf("%s Data Start: ", p);
+ if (ret) {
+ printf("unavailable\n");
+ } else {
+ void *vdata = (void *)data;
+
+ printf("0x%08lx\n", (ulong)map_to_sysmem(vdata));
+ }
+#endif
+
+ printf("%s Data Size: ", p);
+ if (ret)
+ printf("unavailable\n");
+ else
+ genimg_print_size(size);
+
+ /* Remaining, type dependent properties */
+ if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) ||
+ (type == IH_TYPE_RAMDISK) || (type == IH_TYPE_FIRMWARE) ||
+ (type == IH_TYPE_FLATDT)) {
+ fit_image_get_arch(fit, image_noffset, &arch);
+ printf("%s Architecture: %s\n", p, genimg_get_arch_name(arch));
+ }
+
+ if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_RAMDISK)) {
+ fit_image_get_os(fit, image_noffset, &os);
+ printf("%s OS: %s\n", p, genimg_get_os_name(os));
+ }
+
+ if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) ||
+ (type == IH_TYPE_FIRMWARE) || (type == IH_TYPE_RAMDISK)) {
+ ret = fit_image_get_load(fit, image_noffset, &load);
+ printf("%s Load Address: ", p);
+ if (ret)
+ printf("unavailable\n");
+ else
+ printf("0x%08lx\n", load);
+ }
+
+ if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) ||
+ (type == IH_TYPE_RAMDISK)) {
+ fit_image_get_entry(fit, image_noffset, &entry);
+ printf("%s Entry Point: ", p);
+ if (ret)
+ printf("unavailable\n");
+ else
+ printf("0x%08lx\n", entry);
+ }
+
+ /* Process all hash subnodes of the component image node */
+ for (ndepth = 0, noffset = fdt_next_node(fit, image_noffset, &ndepth);
+ (noffset >= 0) && (ndepth > 0);
+ noffset = fdt_next_node(fit, noffset, &ndepth)) {
+ if (ndepth == 1) {
+ /* Direct child node of the component image node */
+ fit_image_print_verification_data(fit, noffset, p);
+ }
+ }
+}
+#endif
+
+/**
+ * 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_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;
+}
+
+/**
+ * fit_image_get_node - get node offset for component image of a given unit name
+ * @fit: pointer to the FIT format image header
+ * @image_uname: component image node unit name
+ *
+ * fit_image_get_node() finds a component image (withing the '/images'
+ * node) of a provided unit name. If image is found its node offset is
+ * returned to the caller.
+ *
+ * returns:
+ * image node offset when found (>=0)
+ * negative number on failure (FDT_ERR_* code)
+ */
+int fit_image_get_node(const void *fit, const char *image_uname)
+{
+ int noffset, images_noffset;
+
+ images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
+ if (images_noffset < 0) {
+ debug("Can't find images parent node '%s' (%s)\n",
+ FIT_IMAGES_PATH, fdt_strerror(images_noffset));
+ return images_noffset;
+ }
+
+ noffset = fdt_subnode_offset(fit, images_noffset, image_uname);
+ if (noffset < 0) {
+ debug("Can't get node offset for image unit name: '%s' (%s)\n",
+ image_uname, fdt_strerror(noffset));
+ }
+
+ return noffset;
+}
+
+/**
+ * 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_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_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_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_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_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_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_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_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_hash_get_ignore - get hash ignore flag
+ * @fit: pointer to the FIT format image header
+ * @noffset: hash node offset
+ * @ignore: pointer to an int, will hold hash ignore flag
+ *
+ * fit_image_hash_get_ignore() finds hash ignore property in a given hash node.
+ * If the property is found and non-zero, the hash algorithm is not verified by
+ * u-boot automatically.
+ *
+ * returns:
+ * 0, on ignore not found
+ * value, on ignore found
+ */
+static int fit_image_hash_get_ignore(const void *fit, int noffset, int *ignore)
+{
+ int len;
+ int *value;
+
+ value = (int *)fdt_getprop(fit, noffset, FIT_IGNORE_PROP, &len);
+ if (value == NULL || len != sizeof(int))
+ *ignore = 0;
+ else
+ *ignore = *value;
+
+ return 0;
+}
+
+/**
+ * fit_set_timestamp - set node timestamp property
+ * @fit: pointer to the FIT format image header
+ * @noffset: node offset
+ * @timestamp: timestamp value to be set
+ *
+ * fit_set_timestamp() attempts to set timestamp property in the requested
+ * node and returns operation status to the caller.
+ *
+ * returns:
+ * 0, on success
+ * -1, on property read failure
+ */
+int fit_set_timestamp(void *fit, int noffset, time_t timestamp)
+{
+ uint32_t t;
+ int ret;
+
+ t = cpu_to_uimage(timestamp);
+ ret = fdt_setprop(fit, noffset, FIT_TIMESTAMP_PROP, &t,
+ sizeof(uint32_t));
+ if (ret) {
+ printf("Can't set '%s' property for '%s' node (%s)\n",
+ FIT_TIMESTAMP_PROP, fit_get_name(fit, noffset, NULL),
+ fdt_strerror(ret));
+ return -1;
+ }
+
+ return 0;
+}
+
+/**
+ * calculate_hash - calculate and return hash for provided input data
+ * @data: pointer to the input data
+ * @data_len: data length
+ * @algo: requested hash algorithm
+ * @value: pointer to the char, will hold hash value data (caller must
+ * allocate enough free space)
+ * value_len: length of the calculated hash
+ *
+ * calculate_hash() computes input data hash according to the requested
+ * algorithm.
+ * Resulting hash value is placed in caller provided 'value' buffer, length
+ * of the calculated hash is returned via value_len pointer argument.
+ *
+ * returns:
+ * 0, on success
+ * -1, when algo is unsupported
+ */
+int calculate_hash(const void *data, int data_len, const char *algo,
+ uint8_t *value, int *value_len)
+{
+ if (IMAGE_ENABLE_CRC32 && strcmp(algo, "crc32") == 0) {
+ *((uint32_t *)value) = crc32_wd(0, data, data_len,
+ CHUNKSZ_CRC32);
+ *((uint32_t *)value) = cpu_to_uimage(*((uint32_t *)value));
+ *value_len = 4;
+ } else if (IMAGE_ENABLE_SHA1 && strcmp(algo, "sha1") == 0) {
+ sha1_csum_wd((unsigned char *)data, data_len,
+ (unsigned char *)value, CHUNKSZ_SHA1);
+ *value_len = 20;
+ } else if (IMAGE_ENABLE_MD5 && strcmp(algo, "md5") == 0) {
+ md5_wd((unsigned char *)data, data_len, value, CHUNKSZ_MD5);
+ *value_len = 16;
+ } else {
+ debug("Unsupported hash alogrithm\n");
+ return -1;
+ }
+ return 0;
+}
+
+static int fit_image_check_hash(const void *fit, int noffset, const void *data,
+ size_t size, char **err_msgp)
+{
+ uint8_t value[FIT_MAX_HASH_LEN];
+ int value_len;
+ char *algo;
+ uint8_t *fit_value;
+ int fit_value_len;
+ int ignore;
+
+ *err_msgp = NULL;
+
+ if (fit_image_hash_get_algo(fit, noffset, &algo)) {
+ *err_msgp = "Can't get hash algo property";
+ return -1;
+ }
+ printf("%s", algo);
+
+ if (IMAGE_ENABLE_IGNORE) {
+ fit_image_hash_get_ignore(fit, noffset, &ignore);
+ if (ignore) {
+ printf("-skipped ");
+ return 0;
+ }
+ }
+
+ if (fit_image_hash_get_value(fit, noffset, &fit_value,
+ &fit_value_len)) {
+ *err_msgp = "Can't get hash value property";
+ return -1;
+ }
+
+ if (calculate_hash(data, size, algo, value, &value_len)) {
+ *err_msgp = "Unsupported hash algorithm";
+ return -1;
+ }
+
+ if (value_len != fit_value_len) {
+ *err_msgp = "Bad hash value len";
+ return -1;
+ } else if (memcmp(value, fit_value, value_len) != 0) {
+ *err_msgp = "Bad hash value";
+ return -1;
+ }
+
+ return 0;
+}
+
+/**
+ * fit_image_verify - verify data intergity
+ * @fit: pointer to the FIT format image header
+ * @image_noffset: component image node offset
+ *
+ * fit_image_verify() goes over component image hash nodes,
+ * re-calculates each data hash and compares with the value stored in hash
+ * node.
+ *
+ * returns:
+ * 1, if all hashes are valid
+ * 0, otherwise (or on error)
+ */
+int fit_image_verify(const void *fit, int image_noffset)
+{
+ const void *data;
+ size_t size;
+ int noffset = 0;
+ char *err_msg = "";
+ int verify_all = 1;
+ int ret;
+
+ /* Get image data and data length */
+ if (fit_image_get_data(fit, image_noffset, &data, &size)) {
+ err_msg = "Can't get image data/size";
+ goto error;
+ }
+
+ /* Verify all required signatures */
+ if (IMAGE_ENABLE_VERIFY &&
+ fit_image_verify_required_sigs(fit, image_noffset, data, size,
+ gd_fdt_blob(), &verify_all)) {
+ err_msg = "Unable to verify required signature";
+ goto error;
+ }
+
+ /* Process all hash subnodes of the component image node */
+ for (noffset = fdt_first_subnode(fit, image_noffset);
+ noffset >= 0;
+ noffset = fdt_next_subnode(fit, noffset)) {
+ const char *name = fit_get_name(fit, noffset, NULL);
+
+ /*
+ * Check subnode name, must be equal to "hash".
+ * Multiple hash nodes require unique unit node
+ * names, e.g. hash@1, hash@2, etc.
+ */
+ if (!strncmp(name, FIT_HASH_NODENAME,
+ strlen(FIT_HASH_NODENAME))) {
+ if (fit_image_check_hash(fit, noffset, data, size,
+ &err_msg))
+ goto error;
+ puts("+ ");
+ } else if (IMAGE_ENABLE_VERIFY && verify_all &&
+ !strncmp(name, FIT_SIG_NODENAME,
+ strlen(FIT_SIG_NODENAME))) {
+ ret = fit_image_check_sig(fit, noffset, data,
+ size, -1, &err_msg);
+ if (ret)
+ puts("- ");
+ else
+ puts("+ ");
+ }
+ }
+
+ if (noffset == -FDT_ERR_TRUNCATED || noffset == -FDT_ERR_BADSTRUCTURE) {
+ err_msg = "Corrupted or truncated tree";
+ goto error;
+ }
+
+ return 1;
+
+error:
+ printf(" error!\n%s for '%s' hash node in '%s' image node\n",
+ err_msg, fit_get_name(fit, noffset, NULL),
+ fit_get_name(fit, image_noffset, NULL));
+ return 0;
+}
+
+/**
+ * fit_all_image_verify - verify data intergity for all images
+ * @fit: pointer to the FIT format image header
+ *
+ * fit_all_image_verify() goes over all images in the FIT and
+ * for every images checks if all it's hashes are valid.
+ *
+ * returns:
+ * 1, if all hashes of all images are valid
+ * 0, otherwise (or on error)
+ */
+int fit_all_image_verify(const void *fit)
+{
+ int images_noffset;
+ int noffset;
+ int ndepth;
+ int count;
+
+ /* Find images parent node offset */
+ images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
+ if (images_noffset < 0) {
+ printf("Can't find images parent node '%s' (%s)\n",
+ FIT_IMAGES_PATH, fdt_strerror(images_noffset));
+ return 0;
+ }
+
+ /* Process all image subnodes, check hashes for each */
+ printf("## Checking hash(es) for FIT Image at %08lx ...\n",
+ (ulong)fit);
+ for (ndepth = 0, count = 0,
+ noffset = fdt_next_node(fit, images_noffset, &ndepth);
+ (noffset >= 0) && (ndepth > 0);
+ noffset = fdt_next_node(fit, noffset, &ndepth)) {
+ if (ndepth == 1) {
+ /*
+ * Direct child node of the images parent node,
+ * i.e. component image node.
+ */
+ printf(" Hash(es) for Image %u (%s): ", count++,
+ fit_get_name(fit, noffset, NULL));
+
+ if (!fit_image_verify(fit, noffset))
+ return 0;
+ printf("\n");
+ }
+ }
+ return 1;
+}
+
+/**
+ * fit_image_check_os - check whether image node is of a given os type
+ * @fit: pointer to the FIT format image header
+ * @noffset: component image node offset
+ * @os: requested image os
+ *
+ * fit_image_check_os() reads image os property and compares its numeric
+ * id with the requested os. Comparison result is returned to the caller.
+ *
+ * returns:
+ * 1 if image is of given os type
+ * 0 otherwise (or on error)
+ */
+int fit_image_check_os(const void *fit, int noffset, uint8_t os)
+{
+ uint8_t image_os;
+
+ if (fit_image_get_os(fit, noffset, &image_os))
+ return 0;
+ return (os == image_os);
+}
+
+/**
+ * fit_image_check_arch - check whether image node is of a given arch
+ * @fit: pointer to the FIT format image header
+ * @noffset: component image node offset
+ * @arch: requested imagearch
+ *
+ * fit_image_check_arch() reads image arch property and compares its numeric
+ * id with the requested arch. Comparison result is returned to the caller.
+ *
+ * returns:
+ * 1 if image is of given arch
+ * 0 otherwise (or on error)
+ */
+int fit_image_check_arch(const void *fit, int noffset, uint8_t arch)
+{
+ uint8_t image_arch;
+
+ if (fit_image_get_arch(fit, noffset, &image_arch))
+ return 0;
+ return (arch == image_arch);
+}
+
+/**
+ * fit_image_check_type - check whether image node is of a given type
+ * @fit: pointer to the FIT format image header
+ * @noffset: component image node offset
+ * @type: requested image type
+ *
+ * fit_image_check_type() reads image type property and compares its numeric
+ * id with the requested type. Comparison result is returned to the caller.
+ *
+ * returns:
+ * 1 if image is of given type
+ * 0 otherwise (or on error)
+ */
+int fit_image_check_type(const void *fit, int noffset, uint8_t type)
+{
+ uint8_t image_type;
+
+ if (fit_image_get_type(fit, noffset, &image_type))
+ return 0;
+ return (type == image_type);
+}
+
+/**
+ * fit_image_check_comp - check whether image node uses given compression
+ * @fit: pointer to the FIT format image header
+ * @noffset: component image node offset
+ * @comp: requested image compression type
+ *
+ * fit_image_check_comp() reads image compression property and compares its
+ * numeric id with the requested compression type. Comparison result is
+ * returned to the caller.
+ *
+ * returns:
+ * 1 if image uses requested compression
+ * 0 otherwise (or on error)
+ */
+int fit_image_check_comp(const void *fit, int noffset, uint8_t comp)
+{
+ uint8_t image_comp;
+
+ if (fit_image_get_comp(fit, noffset, &image_comp))
+ return 0;
+ return (comp == image_comp);
+}
+
+/**
+ * fit_check_format - sanity check FIT image format
+ * @fit: pointer to the FIT format image header
+ *
+ * fit_check_format() runs a basic sanity FIT image verification.
+ * Routine checks for mandatory properties, nodes, etc.
+ *
+ * returns:
+ * 1, on success
+ * 0, on failure
+ */
+int fit_check_format(const void *fit)
+{
+ /* mandatory / node 'description' property */
+ if (fdt_getprop(fit, 0, FIT_DESC_PROP, NULL) == NULL) {
+ debug("Wrong FIT format: no description\n");
+ return 0;
+ }
+
+ if (IMAGE_ENABLE_TIMESTAMP) {
+ /* mandatory / node 'timestamp' property */
+ if (fdt_getprop(fit, 0, FIT_TIMESTAMP_PROP, NULL) == NULL) {
+ debug("Wrong FIT format: no timestamp\n");
+ return 0;
+ }
+ }
+
+ /* mandatory subimages parent '/images' node */
+ if (fdt_path_offset(fit, FIT_IMAGES_PATH) < 0) {
+ debug("Wrong FIT format: no images parent node\n");
+ return 0;
+ }
+
+ return 1;
+}
+
+
+/**
+ * fit_conf_find_compat
+ * @fit: pointer to the FIT format image header
+ * @fdt: pointer to the device tree to compare against
+ *
+ * fit_conf_find_compat() attempts to find the configuration whose fdt is the
+ * most compatible with the passed in device tree.
+ *
+ * Example:
+ *
+ * / o image-tree
+ * |-o images
+ * | |-o fdt@1
+ * | |-o fdt@2
+ * |
+ * |-o configurations
+ * |-o config@1
+ * | |-fdt = fdt@1
+ * |
+ * |-o config@2
+ * |-fdt = fdt@2
+ *
+ * / o U-Boot fdt
+ * |-compatible = "foo,bar", "bim,bam"
+ *
+ * / o kernel fdt1
+ * |-compatible = "foo,bar",
+ *
+ * / o kernel fdt2
+ * |-compatible = "bim,bam", "baz,biz"
+ *
+ * Configuration 1 would be picked because the first string in U-Boot's
+ * compatible list, "foo,bar", matches a compatible string in the root of fdt1.
+ * "bim,bam" in fdt2 matches the second string which isn't as good as fdt1.
+ *
+ * returns:
+ * offset to the configuration to use if one was found
+ * -1 otherwise
+ */
+int fit_conf_find_compat(const void *fit, const void *fdt)
+{
+ int ndepth = 0;
+ int noffset, confs_noffset, images_noffset;
+ const void *fdt_compat;
+ int fdt_compat_len;
+ int best_match_offset = 0;
+ int best_match_pos = 0;
+
+ confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH);
+ images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
+ if (confs_noffset < 0 || images_noffset < 0) {
+ debug("Can't find configurations or images nodes.\n");
+ return -1;
+ }
+
+ fdt_compat = fdt_getprop(fdt, 0, "compatible", &fdt_compat_len);
+ if (!fdt_compat) {
+ debug("Fdt for comparison has no \"compatible\" property.\n");
+ return -1;
+ }
+
+ /*
+ * Loop over the configurations in the FIT image.
+ */
+ for (noffset = fdt_next_node(fit, confs_noffset, &ndepth);
+ (noffset >= 0) && (ndepth > 0);
+ noffset = fdt_next_node(fit, noffset, &ndepth)) {
+ const void *kfdt;
+ const char *kfdt_name;
+ int kfdt_noffset;
+ const char *cur_fdt_compat;
+ int len;
+ size_t size;
+ int i;
+
+ if (ndepth > 1)
+ continue;
+
+ kfdt_name = fdt_getprop(fit, noffset, "fdt", &len);
+ if (!kfdt_name) {
+ debug("No fdt property found.\n");
+ continue;
+ }
+ kfdt_noffset = fdt_subnode_offset(fit, images_noffset,
+ kfdt_name);
+ if (kfdt_noffset < 0) {
+ debug("No image node named \"%s\" found.\n",
+ kfdt_name);
+ continue;
+ }
+ /*
+ * Get a pointer to this configuration's fdt.
+ */
+ if (fit_image_get_data(fit, kfdt_noffset, &kfdt, &size)) {
+ debug("Failed to get fdt \"%s\".\n", kfdt_name);
+ continue;
+ }
+
+ len = fdt_compat_len;
+ cur_fdt_compat = fdt_compat;
+ /*
+ * Look for a match for each U-Boot compatibility string in
+ * turn in this configuration's fdt.
+ */
+ for (i = 0; len > 0 &&
+ (!best_match_offset || best_match_pos > i); i++) {
+ int cur_len = strlen(cur_fdt_compat) + 1;
+
+ if (!fdt_node_check_compatible(kfdt, 0,
+ cur_fdt_compat)) {
+ best_match_offset = noffset;
+ best_match_pos = i;
+ break;
+ }
+ len -= cur_len;
+ cur_fdt_compat += cur_len;
+ }
+ }
+ if (!best_match_offset) {
+ debug("No match found.\n");
+ return -1;
+ }
+
+ return best_match_offset;
+}
+
+/**
+ * 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;
+}
+
+int fit_conf_get_prop_node(const void *fit, int noffset,
+ const char *prop_name)
+{
+ char *uname;
+ int len;
+
+ /* get kernel image unit name from configuration kernel property */
+ uname = (char *)fdt_getprop(fit, noffset, prop_name, &len);
+ if (uname == NULL)
+ return len;
+
+ return fit_image_get_node(fit, uname);
+}
+
+/**
+ * fit_conf_print - prints out the FIT configuration details
+ * @fit: pointer to the FIT format image header
+ * @noffset: offset of the configuration node
+ * @p: pointer to prefix string
+ *
+ * fit_conf_print() lists all mandatory properies for the processed
+ * configuration node.
+ *
+ * returns:
+ * no returned results
+ */
+void fit_conf_print(const void *fit, int noffset, const char *p)
+{
+ char *desc;
+ char *uname;
+ int ret;
+
+ /* Mandatory properties */
+ ret = fit_get_desc(fit, noffset, &desc);
+ printf("%s Description: ", p);
+ if (ret)
+ printf("unavailable\n");
+ else
+ printf("%s\n", desc);
+
+ uname = (char *)fdt_getprop(fit, noffset, FIT_KERNEL_PROP, NULL);
+ printf("%s Kernel: ", p);
+ if (uname == NULL)
+ printf("unavailable\n");
+ else
+ printf("%s\n", uname);
+
+ /* Optional properties */
+ uname = (char *)fdt_getprop(fit, noffset, FIT_RAMDISK_PROP, NULL);
+ if (uname)
+ printf("%s Init Ramdisk: %s\n", p, uname);
+
+ uname = (char *)fdt_getprop(fit, noffset, FIT_FDT_PROP, NULL);
+ if (uname)
+ printf("%s FDT: %s\n", p, uname);
+}
+
+int fit_image_select(const void *fit, int rd_noffset, int verify)
+{
+ fit_image_print(fit, rd_noffset, " ");
+
+ if (verify) {
+ puts(" Verifying Hash Integrity ... ");
+ if (!fit_image_verify(fit, rd_noffset)) {
+ puts("Bad Data Hash\n");
+ return -EACCES;
+ }
+ puts("OK\n");
+ }
+
+ return 0;
+}
+
+int fit_get_node_from_config(bootm_headers_t *images, const char *prop_name,
+ ulong addr)
+{
+ int cfg_noffset;
+ void *fit_hdr;
+ int noffset;
+
+ debug("* %s: using config '%s' from image at 0x%08lx\n",
+ prop_name, images->fit_uname_cfg, addr);
+
+ /* Check whether configuration has this property defined */
+ fit_hdr = map_sysmem(addr, 0);
+ cfg_noffset = fit_conf_get_node(fit_hdr, images->fit_uname_cfg);
+ if (cfg_noffset < 0) {
+ debug("* %s: no such config\n", prop_name);
+ return -ENOENT;
+ }
+
+ noffset = fit_conf_get_prop_node(fit_hdr, cfg_noffset, prop_name);
+ if (noffset < 0) {
+ debug("* %s: no '%s' in config\n", prop_name, prop_name);
+ return -ENOLINK;
+ }
+
+ return noffset;
+}
+
+int fit_image_load(bootm_headers_t *images, const char *prop_name, ulong addr,
+ const char **fit_unamep, const char **fit_uname_configp,
+ int arch, int image_type, int bootstage_id,
+ enum fit_load_op load_op, ulong *datap, ulong *lenp)
+{
+ int cfg_noffset, noffset;
+ const char *fit_uname;
+ const char *fit_uname_config;
+ const void *fit;
+ const void *buf;
+ size_t size;
+ int type_ok, os_ok;
+ ulong load, data, len;
+ int ret;
+
+ fit = map_sysmem(addr, 0);
+ fit_uname = fit_unamep ? *fit_unamep : NULL;
+ fit_uname_config = fit_uname_configp ? *fit_uname_configp : NULL;
+ printf("## Loading %s from FIT Image at %08lx ...\n", prop_name, addr);
+
+ bootstage_mark(bootstage_id + BOOTSTAGE_SUB_FORMAT);
+ if (!fit_check_format(fit)) {
+ printf("Bad FIT %s image format!\n", prop_name);
+ bootstage_error(bootstage_id + BOOTSTAGE_SUB_FORMAT);
+ return -ENOEXEC;
+ }
+ bootstage_mark(bootstage_id + BOOTSTAGE_SUB_FORMAT_OK);
+ if (fit_uname) {
+ /* get ramdisk component image node offset */
+ bootstage_mark(bootstage_id + BOOTSTAGE_SUB_UNIT_NAME);
+ noffset = fit_image_get_node(fit, fit_uname);
+ } else {
+ /*
+ * no image node unit name, try to get config
+ * node first. If config unit node name is NULL
+ * fit_conf_get_node() will try to find default config node
+ */
+ bootstage_mark(bootstage_id + BOOTSTAGE_SUB_NO_UNIT_NAME);
+ if (IMAGE_ENABLE_BEST_MATCH && !fit_uname_config) {
+ cfg_noffset = fit_conf_find_compat(fit, gd_fdt_blob());
+ } else {
+ cfg_noffset = fit_conf_get_node(fit,
+ fit_uname_config);
+ }
+ if (cfg_noffset < 0) {
+ puts("Could not find configuration node\n");
+ bootstage_error(bootstage_id +
+ BOOTSTAGE_SUB_NO_UNIT_NAME);
+ return -ENOENT;
+ }
+ fit_uname_config = fdt_get_name(fit, cfg_noffset, NULL);
+ printf(" Using '%s' configuration\n", fit_uname_config);
+ if (image_type == IH_TYPE_KERNEL) {
+ /* Remember (and possibly verify) this config */
+ images->fit_uname_cfg = fit_uname_config;
+ if (IMAGE_ENABLE_VERIFY && images->verify) {
+ puts(" Verifying Hash Integrity ... ");
+ if (!fit_config_verify(fit, cfg_noffset)) {
+ puts("Bad Data Hash\n");
+ bootstage_error(bootstage_id +
+ BOOTSTAGE_SUB_HASH);
+ return -EACCES;
+ }
+ puts("OK\n");
+ }
+ bootstage_mark(BOOTSTAGE_ID_FIT_CONFIG);
+ }
+
+ noffset = fit_conf_get_prop_node(fit, cfg_noffset,
+ prop_name);
+ fit_uname = fit_get_name(fit, noffset, NULL);
+ }
+ if (noffset < 0) {
+ puts("Could not find subimage node\n");
+ bootstage_error(bootstage_id + BOOTSTAGE_SUB_SUBNODE);
+ return -ENOENT;
+ }
+
+ printf(" Trying '%s' %s subimage\n", fit_uname, prop_name);
+
+ ret = fit_image_select(fit, noffset, images->verify);
+ if (ret) {
+ bootstage_error(bootstage_id + BOOTSTAGE_SUB_HASH);
+ return ret;
+ }
+
+ bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ARCH);
+ if (!fit_image_check_target_arch(fit, noffset)) {
+ puts("Unsupported Architecture\n");
+ bootstage_error(bootstage_id + BOOTSTAGE_SUB_CHECK_ARCH);
+ return -ENOEXEC;
+ }
+
+ if (image_type == IH_TYPE_FLATDT &&
+ !fit_image_check_comp(fit, noffset, IH_COMP_NONE)) {
+ puts("FDT image is compressed");
+ return -EPROTONOSUPPORT;
+ }
+
+ bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL);
+ type_ok = fit_image_check_type(fit, noffset, image_type) ||
+ (image_type == IH_TYPE_KERNEL &&
+ fit_image_check_type(fit, noffset,
+ IH_TYPE_KERNEL_NOLOAD));
+ os_ok = image_type == IH_TYPE_FLATDT ||
+ fit_image_check_os(fit, noffset, IH_OS_LINUX);
+ if (!type_ok || !os_ok) {
+ printf("No Linux %s %s Image\n", genimg_get_arch_name(arch),
+ genimg_get_type_name(image_type));
+ bootstage_error(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL);
+ return -EIO;
+ }
+
+ bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL_OK);
+
+ /* get image data address and length */
+ if (fit_image_get_data(fit, noffset, &buf, &size)) {
+ printf("Could not find %s subimage data!\n", prop_name);
+ bootstage_error(bootstage_id + BOOTSTAGE_SUB_GET_DATA);
+ return -ENOENT;
+ }
+ len = (ulong)size;
+
+ /* verify that image data is a proper FDT blob */
+ if (image_type == IH_TYPE_FLATDT && fdt_check_header((char *)buf)) {
+ puts("Subimage data is not a FDT");
+ return -ENOEXEC;
+ }
+
+ bootstage_mark(bootstage_id + BOOTSTAGE_SUB_GET_DATA_OK);
+
+ /*
+ * Work-around for eldk-4.2 which gives this warning if we try to
+ * case in the unmap_sysmem() call:
+ * warning: initialization discards qualifiers from pointer target type
+ */
+ {
+ void *vbuf = (void *)buf;
+
+ data = map_to_sysmem(vbuf);
+ }
+
+ if (load_op == FIT_LOAD_IGNORED) {
+ /* Don't load */
+ } else if (fit_image_get_load(fit, noffset, &load)) {
+ if (load_op == FIT_LOAD_REQUIRED) {
+ printf("Can't get %s subimage load address!\n",
+ prop_name);
+ bootstage_error(bootstage_id + BOOTSTAGE_SUB_LOAD);
+ return -EBADF;
+ }
+ } else {
+ ulong image_start, image_end;
+ ulong load_end;
+ void *dst;
+
+ /*
+ * move image data to the load address,
+ * make sure we don't overwrite initial image
+ */
+ image_start = addr;
+ image_end = addr + fit_get_size(fit);
+
+ load_end = load + len;
+ if (image_type != IH_TYPE_KERNEL &&
+ load < image_end && load_end > image_start) {
+ printf("Error: %s overwritten\n", prop_name);
+ return -EXDEV;
+ }
+
+ printf(" Loading %s from 0x%08lx to 0x%08lx\n",
+ prop_name, data, load);
+
+ dst = map_sysmem(load, len);
+ memmove(dst, buf, len);
+ data = load;
+ }
+ bootstage_mark(bootstage_id + BOOTSTAGE_SUB_LOAD);
+
+ *datap = data;
+ *lenp = len;
+ if (fit_unamep)
+ *fit_unamep = (char *)fit_uname;
+ if (fit_uname_configp)
+ *fit_uname_configp = (char *)fit_uname_config;
+
+ return noffset;
+}
projects / karo-tx-uboot.git / blobdiff