diff options
Diffstat (limited to 'common/image-fit.c')
| -rw-r--r-- | common/image-fit.c | 2448 |
1 files changed, 0 insertions, 2448 deletions
diff --git a/common/image-fit.c b/common/image-fit.c deleted file mode 100644 index 33b4a46028..0000000000 --- a/common/image-fit.c +++ /dev/null @@ -1,2448 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Copyright (c) 2013, Google Inc. - * - * (C) Copyright 2008 Semihalf - * - * (C) Copyright 2000-2006 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - */ - -#define LOG_CATEGORY LOGC_BOOT - -#ifdef USE_HOSTCC -#include "mkimage.h" -#include <time.h> -#include <linux/libfdt.h> -#include <u-boot/crc.h> -#else -#include <linux/compiler.h> -#include <linux/sizes.h> -#include <common.h> -#include <errno.h> -#include <log.h> -#include <mapmem.h> -#include <asm/io.h> -#include <malloc.h> -#include <asm/global_data.h> -#ifdef CONFIG_DM_HASH -#include <dm.h> -#include <u-boot/hash.h> -#endif -DECLARE_GLOBAL_DATA_PTR; -#endif /* !USE_HOSTCC*/ - -#include <bootm.h> -#include <image.h> -#include <bootstage.h> -#include <linux/kconfig.h> -#include <u-boot/crc.h> -#include <u-boot/md5.h> -#include <u-boot/sha1.h> -#include <u-boot/sha256.h> -#include <u-boot/sha512.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 = hextoul(spec, NULL); - - *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 form 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 form 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 */ - -#ifdef USE_HOSTCC -/* Host tools use these implementations for Cipher and Signature support */ -static void *host_blob; - -void image_set_host_blob(void *blob) -{ - host_blob = blob; -} - -void *image_get_host_blob(void) -{ - return host_blob; -} -#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)); -} - -/** - * fit_get_subimage_count - get component (sub-image) count - * @fit: pointer to the FIT format image header - * @images_noffset: offset of images node - * - * returns: - * number of image components - */ -int fit_get_subimage_count(const void *fit, int images_noffset) -{ - int noffset; - int ndepth; - int count = 0; - - /* 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) { - count++; - } - } - - return count; -} - -/** - * 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 properties 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; - const char *padding; - bool 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, FIT_KEY_HINT, NULL); - required = fdt_getprop(fit, noffset, FIT_KEY_REQUIRED, NULL) != NULL; - if (keyname) - printf(":%s", keyname); - if (required) - printf(" (required)"); - printf("\n"); - - padding = fdt_getprop(fit, noffset, "padding", NULL); - if (padding) - printf("%s %s padding: %s\n", p, type, padding); - - 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 properties 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_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 properties for the processed - * configuration node. - * - * returns: - * no returned results - */ -static void fit_conf_print(const void *fit, int noffset, const char *p) -{ - char *desc; - const char *uname; - int ret; - int fdt_index, loadables_index; - int ndepth; - - /* Mandatory properties */ - ret = fit_get_desc(fit, noffset, &desc); - printf("%s Description: ", p); - if (ret) - printf("unavailable\n"); - else - printf("%s\n", desc); - - uname = fdt_getprop(fit, noffset, FIT_KERNEL_PROP, NULL); - printf("%s Kernel: ", p); - if (!uname) - printf("unavailable\n"); - else - printf("%s\n", uname); - - /* Optional properties */ - uname = fdt_getprop(fit, noffset, FIT_RAMDISK_PROP, NULL); - if (uname) - printf("%s Init Ramdisk: %s\n", p, uname); - - uname = fdt_getprop(fit, noffset, FIT_FIRMWARE_PROP, NULL); - if (uname) - printf("%s Firmware: %s\n", p, uname); - - for (fdt_index = 0; - uname = fdt_stringlist_get(fit, noffset, FIT_FDT_PROP, - fdt_index, NULL), uname; - fdt_index++) { - if (fdt_index == 0) - printf("%s FDT: ", p); - else - printf("%s ", p); - printf("%s\n", uname); - } - - uname = fdt_getprop(fit, noffset, FIT_FPGA_PROP, NULL); - if (uname) - printf("%s FPGA: %s\n", p, uname); - - /* Print out all of the specified loadables */ - for (loadables_index = 0; - uname = fdt_stringlist_get(fit, noffset, FIT_LOADABLE_PROP, - loadables_index, NULL), uname; - loadables_index++) { - if (loadables_index == 0) { - printf("%s Loadables: ", p); - } else { - printf("%s ", p); - } - printf("%s\n", uname); - } - - /* Process all hash subnodes of the component configuration node */ - for (ndepth = 0, noffset = fdt_next_node(fit, noffset, &ndepth); - (noffset >= 0) && (ndepth > 0); - noffset = fdt_next_node(fit, noffset, &ndepth)) { - if (ndepth == 1) { - /* Direct child node of the component configuration node */ - fit_image_print_verification_data(fit, noffset, p); - } - } -} - -/** - * 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) followed 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; - - if (!CONFIG_IS_ENABLED(FIT_PRINT)) - return; - - /* 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 - 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 properties 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; - - if (!CONFIG_IS_ENABLED(FIT_PRINT)) - return; - - /* Mandatory properties */ - ret = fit_get_desc(fit, image_noffset, &desc); - printf("%s Description: ", p); - if (ret) - printf("unavailable\n"); - else - printf("%s\n", desc); - - if (IMAGE_ENABLE_TIMESTAMP) { - time_t timestamp; - - ret = fit_get_timestamp(fit, 0, ×tamp); - printf("%s Created: ", p); - if (ret) - printf("unavailable\n"); - else - genimg_print_time(timestamp); - } - - 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_and_size(fit, image_noffset, &data, &size); - - if (!tools_build()) { - printf("%s Data Start: ", p); - if (ret) { - printf("unavailable\n"); - } else { - void *vdata = (void *)data; - - printf("0x%08lx\n", (ulong)map_to_sysmem(vdata)); - } - } - - 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) || - (type == IH_TYPE_FIRMWARE)) { - 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) || - (type == IH_TYPE_FPGA)) { - 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); - } - - /* optional load address for FDT */ - if (type == IH_TYPE_FLATDT && !fit_image_get_load(fit, image_noffset, &load)) - printf("%s Load Address: 0x%08lx\n", p, load); - - if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || - (type == IH_TYPE_RAMDISK)) { - ret = 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); - } - } -} - -/** - * 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 description - * - * fit_get_desc() reads description property from a given node, if - * description is found pointer to it is returned 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 property from given node, if timestamp - * is found and has a correct size its value is returned 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 (within 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; -} - -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; - } - - 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++; - } - - if (len > sizeof(ulong) && (uint32_t)(load64 >> 32)) { - printf("Unsupported %s address size\n", name); - return -1; - } - - *load = (ulong)load64; - - 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) -{ - return fit_image_get_address(fit, noffset, FIT_LOAD_PROP, load); -} - -/** - * 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) -{ - return fit_image_get_address(fit, noffset, FIT_ENTRY_PROP, entry); -} - -/** - * 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; -} - -/** - * Get 'data-offset' property from a given image node. - * - * @fit: pointer to the FIT image header - * @noffset: component image node offset - * @data_offset: holds the data-offset property - * - * returns: - * 0, on success - * -ENOENT if the property could not be found - */ -int fit_image_get_data_offset(const void *fit, int noffset, int *data_offset) -{ - const fdt32_t *val; - - val = fdt_getprop(fit, noffset, FIT_DATA_OFFSET_PROP, NULL); - if (!val) - return -ENOENT; - - *data_offset = fdt32_to_cpu(*val); - - return 0; -} - -/** - * Get 'data-position' property from a given image node. - * - * @fit: pointer to the FIT image header - * @noffset: component image node offset - * @data_position: holds the data-position property - * - * returns: - * 0, on success - * -ENOENT if the property could not be found - */ -int fit_image_get_data_position(const void *fit, int noffset, - int *data_position) -{ - const fdt32_t *val; - - val = fdt_getprop(fit, noffset, FIT_DATA_POSITION_PROP, NULL); - if (!val) - return -ENOENT; - - *data_position = fdt32_to_cpu(*val); - - return 0; -} - -/** - * Get 'data-size' property from a given image node. - * - * @fit: pointer to the FIT image header - * @noffset: component image node offset - * @data_size: holds the data-size property - * - * returns: - * 0, on success - * -ENOENT if the property could not be found - */ -int fit_image_get_data_size(const void *fit, int noffset, int *data_size) -{ - const fdt32_t *val; - - val = fdt_getprop(fit, noffset, FIT_DATA_SIZE_PROP, NULL); - if (!val) - return -ENOENT; - - *data_size = fdt32_to_cpu(*val); - - return 0; -} - -/** - * Get 'data-size-unciphered' property from a given image node. - * - * @fit: pointer to the FIT image header - * @noffset: component image node offset - * @data_size: holds the data-size property - * - * returns: - * 0, on success - * -ENOENT if the property could not be found - */ -int fit_image_get_data_size_unciphered(const void *fit, int noffset, - size_t *data_size) -{ - const fdt32_t *val; - - val = fdt_getprop(fit, noffset, "data-size-unciphered", NULL); - if (!val) - return -ENOENT; - - *data_size = (size_t)fdt32_to_cpu(*val); - - 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); - if (!ret) { - *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 - * @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_image_cipher_get_algo - get cipher algorithm name - * @fit: pointer to the FIT format image header - * @noffset: cipher node offset - * @algo: double pointer to char, will hold pointer to the algorithm name - * - * fit_image_cipher_get_algo() finds cipher algorithm property in a given - * cipher 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_cipher_get_algo(const void *fit, int noffset, char **algo) -{ - int len; - - *algo = (char *)fdt_getprop(fit, noffset, FIT_ALGO_PROP, &len); - if (!*algo) { - fit_get_debug(fit, noffset, FIT_ALGO_PROP, len); - return -1; - } - - return 0; -} - -ulong fit_get_end(const void *fit) -{ - return map_to_sysmem((void *)(fit + fdt_totalsize(fit))); -} - -/** - * 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 - * -ENOSPC if no space in device tree, -1 for other error - */ -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) { - debug("Can't set '%s' property for '%s' node (%s)\n", - FIT_TIMESTAMP_PROP, fit_get_name(fit, noffset, NULL), - fdt_strerror(ret)); - return ret == -FDT_ERR_NOSPACE ? -ENOSPC : -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 *name, - uint8_t *value, int *value_len) -{ -#if !defined(USE_HOSTCC) && defined(CONFIG_DM_HASH) - int rc; - enum HASH_ALGO hash_algo; - struct udevice *dev; - - rc = uclass_get_device(UCLASS_HASH, 0, &dev); - if (rc) { - debug("failed to get hash device, rc=%d\n", rc); - return -1; - } - - hash_algo = hash_algo_lookup_by_name(algo); - if (hash_algo == HASH_ALGO_INVALID) { - debug("Unsupported hash algorithm\n"); - return -1; - }; - - rc = hash_digest_wd(dev, hash_algo, data, data_len, value, CHUNKSZ); - if (rc) { - debug("failed to get hash value, rc=%d\n", rc); - return -1; - } - - *value_len = hash_algo_digest_size(hash_algo); -#else - struct hash_algo *algo; - int ret; - - ret = hash_lookup_algo(name, &algo); - if (ret < 0) { - debug("Unsupported hash alogrithm\n"); - return -1; - } - - algo->hash_func_ws(data, data_len, value, algo->chunk_size); - *value_len = algo->digest_size; -#endif - - 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 (!tools_build()) { - 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; -} - -int fit_image_verify_with_data(const void *fit, int image_noffset, - const void *data, size_t size) -{ - int noffset = 0; - char *err_msg = ""; - int verify_all = 1; - int ret; - - /* Verify all required signatures */ - if (FIT_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 */ - fdt_for_each_subnode(noffset, fit, image_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 (FIT_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); - - /* - * Show an indication on failure, but do not return - * an error. Only keys marked 'required' can cause - * an image validation failure. See the call to - * fit_image_verify_required_sigs() above. - */ - 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_image_verify - verify data integrity - * @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 char *name = fit_get_name(fit, image_noffset, NULL); - const void *data; - size_t size; - char *err_msg = ""; - - if (IS_ENABLED(CONFIG_FIT_SIGNATURE) && strchr(name, '@')) { - /* - * We don't support this since libfdt considers names with the - * name root but different @ suffix to be equal - */ - err_msg = "Node name contains @"; - goto err; - } - /* Get image data and data length */ - if (fit_image_get_data_and_size(fit, image_noffset, &data, &size)) { - err_msg = "Can't get image data/size"; - goto err; - } - - return fit_image_verify_with_data(fit, image_noffset, data, size); - -err: - printf("error!\n%s in '%s' image node\n", err_msg, - fit_get_name(fit, image_noffset, NULL)); - return 0; -} - -/** - * fit_all_image_verify - verify data integrity 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)); - count++; - - if (!fit_image_verify(fit, noffset)) - return 0; - printf("\n"); - } - } - return 1; -} - -static int fit_image_uncipher(const void *fit, int image_noffset, - void **data, size_t *size) -{ - int cipher_noffset, ret; - void *dst; - size_t size_dst; - - cipher_noffset = fdt_subnode_offset(fit, image_noffset, - FIT_CIPHER_NODENAME); - if (cipher_noffset < 0) - return 0; - - ret = fit_image_decrypt_data(fit, image_noffset, cipher_noffset, - *data, *size, &dst, &size_dst); - if (ret) - goto out; - - *data = dst; - *size = size_dst; - - out: - return ret; -} - -/** - * 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; - int aarch32_support = 0; - - /* Let's assume that sandbox can load any architecture */ - if (IS_ENABLED(CONFIG_SANDBOX)) - return true; - - if (IS_ENABLED(CONFIG_ARM64_SUPPORT_AARCH32)) - aarch32_support = 1; - - if (fit_image_get_arch(fit, noffset, &image_arch)) - return 0; - return (arch == image_arch) || - (arch == IH_ARCH_I386 && image_arch == IH_ARCH_X86_64) || - (arch == IH_ARCH_ARM64 && image_arch == IH_ARCH_ARM && - aarch32_support); -} - -/** - * 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); -} - -/** - * fdt_check_no_at() - Check for nodes whose names contain '@' - * - * This checks the parent node and all subnodes recursively - * - * @fit: FIT to check - * @parent: Parent node to check - * @return 0 if OK, -EADDRNOTAVAIL is a node has a name containing '@' - */ -static int fdt_check_no_at(const void *fit, int parent) -{ - const char *name; - int node; - int ret; - - name = fdt_get_name(fit, parent, NULL); - if (!name || strchr(name, '@')) - return -EADDRNOTAVAIL; - - fdt_for_each_subnode(node, fit, parent) { - ret = fdt_check_no_at(fit, node); - if (ret) - return ret; - } - - return 0; -} - -int fit_check_format(const void *fit, ulong size) -{ - int ret; - - /* A FIT image must be a valid FDT */ - ret = fdt_check_header(fit); - if (ret) { - log_debug("Wrong FIT format: not a flattened device tree (err=%d)\n", - ret); - return -ENOEXEC; - } - - if (CONFIG_IS_ENABLED(FIT_FULL_CHECK)) { - /* - * If we are not given the size, make do wtih calculating it. - * This is not as secure, so we should consider a flag to - * control this. - */ - if (size == IMAGE_SIZE_INVAL) - size = fdt_totalsize(fit); - ret = fdt_check_full(fit, size); - if (ret) - ret = -EINVAL; - - /* - * U-Boot stopped using unit addressed in 2017. Since libfdt - * can match nodes ignoring any unit address, signature - * verification can see the wrong node if one is inserted with - * the same name as a valid node but with a unit address - * attached. Protect against this by disallowing unit addresses. - */ - if (!ret && CONFIG_IS_ENABLED(FIT_SIGNATURE)) { - ret = fdt_check_no_at(fit, 0); - - if (ret) { - log_debug("FIT check error %d\n", ret); - return ret; - } - } - if (ret) { - log_debug("FIT check error %d\n", ret); - return ret; - } - } - - /* mandatory / node 'description' property */ - if (!fdt_getprop(fit, 0, FIT_DESC_PROP, NULL)) { - log_debug("Wrong FIT format: no description\n"); - return -ENOMSG; - } - - if (IMAGE_ENABLE_TIMESTAMP) { - /* mandatory / node 'timestamp' property */ - if (!fdt_getprop(fit, 0, FIT_TIMESTAMP_PROP, NULL)) { - log_debug("Wrong FIT format: no timestamp\n"); - return -EBADMSG; - } - } - - /* mandatory subimages parent '/images' node */ - if (fdt_path_offset(fit, FIT_IMAGES_PATH) < 0) { - log_debug("Wrong FIT format: no images parent node\n"); - return -ENOENT; - } - - return 0; -} - -/** - * 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. - * - * As an optimization, the compatible property from the FDT's root node can be - * copied into the configuration node in the FIT image. This is required to - * match configurations with compressed FDTs. - * - * 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 *fdt; - const char *kfdt_name; - int kfdt_noffset, compat_noffset; - const char *cur_fdt_compat; - int len; - size_t sz; - int i; - - if (ndepth > 1) - continue; - - /* If there's a compat property in the config node, use that. */ - if (fdt_getprop(fit, noffset, "compatible", NULL)) { - fdt = fit; /* search in FIT image */ - compat_noffset = noffset; /* search under config node */ - } else { /* Otherwise extract it from the kernel FDT. */ - 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; - } - - if (!fit_image_check_comp(fit, kfdt_noffset, - IH_COMP_NONE)) { - debug("Can't extract compat from \"%s\" " - "(compressed)\n", kfdt_name); - continue; - } - - /* search in this config's kernel FDT */ - if (fit_image_get_data_and_size(fit, kfdt_noffset, - &fdt, &sz)) { - debug("Failed to get fdt \"%s\".\n", kfdt_name); - continue; - } - - compat_noffset = 0; /* search kFDT under root node */ - } - - len = fdt_compat_len; - cur_fdt_compat = fdt_compat; - /* - * Look for a match for each U-Boot compatibility string in - * turn in the compat string property. - */ - 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(fdt, compat_noffset, - 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; -} - -int fit_conf_get_node(const void *fit, const char *conf_uname) -{ - int noffset, confs_noffset; - int len; - const char *s; - char *conf_uname_copy = NULL; - - 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"); - if (!tools_build() && IS_ENABLED(CONFIG_MULTI_DTB_FIT)) { - noffset = fit_find_config_node(fit); - if (noffset < 0) - return noffset; - conf_uname = fdt_get_name(fit, noffset, NULL); - } else { - 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); - } - - s = strchr(conf_uname, '#'); - if (s) { - len = s - conf_uname; - conf_uname_copy = malloc(len + 1); - if (!conf_uname_copy) { - debug("Can't allocate uname copy: '%s'\n", - conf_uname); - return -ENOMEM; - } - memcpy(conf_uname_copy, conf_uname, len); - conf_uname_copy[len] = '\0'; - conf_uname = conf_uname_copy; - } - - 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)); - } - - if (conf_uname_copy) - free(conf_uname_copy); - - return noffset; -} - -int fit_conf_get_prop_node_count(const void *fit, int noffset, - const char *prop_name) -{ - return fdt_stringlist_count(fit, noffset, prop_name); -} - -int fit_conf_get_prop_node_index(const void *fit, int noffset, - const char *prop_name, int index) -{ - const char *uname; - int len; - - /* get kernel image unit name from configuration kernel property */ - uname = fdt_stringlist_get(fit, noffset, prop_name, index, &len); - if (uname == NULL) - return len; - - return fit_image_get_node(fit, uname); -} - -int fit_conf_get_prop_node(const void *fit, int noffset, - const char *prop_name) -{ - return fit_conf_get_prop_node_index(fit, noffset, prop_name, 0); -} - -static 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 -EINVAL; - } - - 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 -ENOENT; - } - - return noffset; -} - -/** - * fit_get_image_type_property() - get property name for IH_TYPE_... - * - * @return the properly name where we expect to find the image in the - * config node - */ -static const char *fit_get_image_type_property(int type) -{ - /* - * This is sort-of available in the uimage_type[] table in image.c - * but we don't have access to the short name, and "fdt" is different - * anyway. So let's just keep it here. - */ - switch (type) { - case IH_TYPE_FLATDT: - return FIT_FDT_PROP; - case IH_TYPE_KERNEL: - return FIT_KERNEL_PROP; - case IH_TYPE_FIRMWARE: - return FIT_FIRMWARE_PROP; - case IH_TYPE_RAMDISK: - return FIT_RAMDISK_PROP; - case IH_TYPE_X86_SETUP: - return FIT_SETUP_PROP; - case IH_TYPE_LOADABLE: - return FIT_LOADABLE_PROP; - case IH_TYPE_FPGA: - return FIT_FPGA_PROP; - case IH_TYPE_STANDALONE: - return FIT_STANDALONE_PROP; - } - - return "unknown"; -} - -int fit_image_load(bootm_headers_t *images, 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 char *fit_base_uname_config; - const void *fit; - void *buf; - void *loadbuf; - size_t size; - int type_ok, os_ok; - ulong load, load_end, data, len; - uint8_t os, comp; - const char *prop_name; - int ret; - - fit = map_sysmem(addr, 0); - fit_uname = fit_unamep ? *fit_unamep : NULL; - fit_uname_config = fit_uname_configp ? *fit_uname_configp : NULL; - fit_base_uname_config = NULL; - prop_name = fit_get_image_type_property(image_type); - printf("## Loading %s from FIT Image at %08lx ...\n", prop_name, addr); - - bootstage_mark(bootstage_id + BOOTSTAGE_SUB_FORMAT); - ret = fit_check_format(fit, IMAGE_SIZE_INVAL); - if (ret) { - printf("Bad FIT %s image format! (err=%d)\n", prop_name, ret); - if (CONFIG_IS_ENABLED(FIT_SIGNATURE) && ret == -EADDRNOTAVAIL) - printf("Signature checking prevents use of unit addresses (@) in nodes\n"); - bootstage_error(bootstage_id + BOOTSTAGE_SUB_FORMAT); - return ret; - } - bootstage_mark(bootstage_id + BOOTSTAGE_SUB_FORMAT_OK); - if (fit_uname) { - /* get FIT 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 (IS_ENABLED(CONFIG_FIT_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_base_uname_config = fdt_get_name(fit, cfg_noffset, NULL); - printf(" Using '%s' configuration\n", fit_base_uname_config); - /* Remember this config */ - if (image_type == IH_TYPE_KERNEL) - images->fit_uname_cfg = fit_base_uname_config; - - if (FIT_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) { - printf("Could not find subimage node type '%s'\n", prop_name); - 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 (!tools_build() && IS_ENABLED(CONFIG_SANDBOX)) { - if (!fit_image_check_target_arch(fit, noffset)) { - puts("Unsupported Architecture\n"); - bootstage_error(bootstage_id + BOOTSTAGE_SUB_CHECK_ARCH); - return -ENOEXEC; - } - } - -#ifndef USE_HOSTCC - { - uint8_t os_arch; - - fit_image_get_arch(fit, noffset, &os_arch); - images->os.arch = os_arch; - } -#endif - - bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL); - type_ok = fit_image_check_type(fit, noffset, image_type) || - fit_image_check_type(fit, noffset, IH_TYPE_FIRMWARE) || - fit_image_check_type(fit, noffset, IH_TYPE_TEE) || - (image_type == IH_TYPE_KERNEL && - fit_image_check_type(fit, noffset, IH_TYPE_KERNEL_NOLOAD)); - - os_ok = image_type == IH_TYPE_FLATDT || - image_type == IH_TYPE_FPGA || - fit_image_check_os(fit, noffset, IH_OS_LINUX) || - fit_image_check_os(fit, noffset, IH_OS_U_BOOT) || - fit_image_check_os(fit, noffset, IH_OS_TEE) || - fit_image_check_os(fit, noffset, IH_OS_OPENRTOS) || - fit_image_check_os(fit, noffset, IH_OS_EFI) || - fit_image_check_os(fit, noffset, IH_OS_VXWORKS); - - /* - * If either of the checks fail, we should report an error, but - * if the image type is coming from the "loadables" field, we - * don't care what it is - */ - if ((!type_ok || !os_ok) && image_type != IH_TYPE_LOADABLE) { - fit_image_get_os(fit, noffset, &os); - printf("No %s %s %s Image\n", - genimg_get_os_name(os), - 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_and_size(fit, noffset, - (const void **)&buf, &size)) { - printf("Could not find %s subimage data!\n", prop_name); - bootstage_error(bootstage_id + BOOTSTAGE_SUB_GET_DATA); - return -ENOENT; - } - - /* Decrypt data before uncompress/move */ - if (IS_ENABLED(CONFIG_FIT_CIPHER) && IMAGE_ENABLE_DECRYPT) { - puts(" Decrypting Data ... "); - if (fit_image_uncipher(fit, noffset, &buf, &size)) { - puts("Error\n"); - return -EACCES; - } - puts("OK\n"); - } - - /* perform any post-processing on the image data */ - if (!tools_build() && IS_ENABLED(CONFIG_FIT_IMAGE_POST_PROCESS)) - board_fit_image_post_process(fit, noffset, &buf, &size); - - len = (ulong)size; - - bootstage_mark(bootstage_id + BOOTSTAGE_SUB_GET_DATA_OK); - - data = map_to_sysmem(buf); - load = data; - 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 if (load_op != FIT_LOAD_OPTIONAL_NON_ZERO || load) { - ulong image_start, image_end; - - /* - * 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); - } else { - load = data; /* No load address specified */ - } - - comp = IH_COMP_NONE; - loadbuf = buf; - /* Kernel images get decompressed later in bootm_load_os(). */ - if (!fit_image_get_comp(fit, noffset, &comp) && - comp != IH_COMP_NONE && - !(image_type == IH_TYPE_KERNEL || - image_type == IH_TYPE_KERNEL_NOLOAD || - image_type == IH_TYPE_RAMDISK)) { - ulong max_decomp_len = len * 20; - if (load == data) { - loadbuf = malloc(max_decomp_len); - load = map_to_sysmem(loadbuf); - } else { - loadbuf = map_sysmem(load, max_decomp_len); - } - if (image_decomp(comp, load, data, image_type, - loadbuf, buf, len, max_decomp_len, &load_end)) { - printf("Error decompressing %s\n", prop_name); - - return -ENOEXEC; - } - len = load_end - load; - } else if (load != data) { - loadbuf = map_sysmem(load, len); - memcpy(loadbuf, buf, len); - } - - if (image_type == IH_TYPE_RAMDISK && comp != IH_COMP_NONE) - puts("WARNING: 'compression' nodes for ramdisks are deprecated," - " please fix your .its file!\n"); - - /* verify that image data is a proper FDT blob */ - if (image_type == IH_TYPE_FLATDT && fdt_check_header(loadbuf)) { - puts("Subimage data is not a FDT"); - return -ENOEXEC; - } - - bootstage_mark(bootstage_id + BOOTSTAGE_SUB_LOAD); - - *datap = load; - *lenp = len; - if (fit_unamep) - *fit_unamep = (char *)fit_uname; - if (fit_uname_configp) - *fit_uname_configp = (char *)(fit_uname_config ? : - fit_base_uname_config); - - return noffset; -} - -int boot_get_setup_fit(bootm_headers_t *images, uint8_t arch, - ulong *setup_start, ulong *setup_len) -{ - int noffset; - ulong addr; - ulong len; - int ret; - - addr = map_to_sysmem(images->fit_hdr_os); - noffset = fit_get_node_from_config(images, FIT_SETUP_PROP, addr); - if (noffset < 0) - return noffset; - - ret = fit_image_load(images, addr, NULL, NULL, arch, - IH_TYPE_X86_SETUP, BOOTSTAGE_ID_FIT_SETUP_START, - FIT_LOAD_REQUIRED, setup_start, &len); - - return ret; -} - -#ifndef USE_HOSTCC -int boot_get_fdt_fit(bootm_headers_t *images, ulong addr, - const char **fit_unamep, const char **fit_uname_configp, - int arch, ulong *datap, ulong *lenp) -{ - int fdt_noffset, cfg_noffset, count; - const void *fit; - const char *fit_uname = NULL; - const char *fit_uname_config = NULL; - char *fit_uname_config_copy = NULL; - char *next_config = NULL; - ulong load, len; -#ifdef CONFIG_OF_LIBFDT_OVERLAY - ulong image_start, image_end; - ulong ovload, ovlen, ovcopylen; - const char *uconfig; - const char *uname; - void *base, *ov, *ovcopy = NULL; - int i, err, noffset, ov_noffset; -#endif - - fit_uname = fit_unamep ? *fit_unamep : NULL; - - if (fit_uname_configp && *fit_uname_configp) { - fit_uname_config_copy = strdup(*fit_uname_configp); - if (!fit_uname_config_copy) - return -ENOMEM; - - next_config = strchr(fit_uname_config_copy, '#'); - if (next_config) - *next_config++ = '\0'; - if (next_config - 1 > fit_uname_config_copy) - fit_uname_config = fit_uname_config_copy; - } - - fdt_noffset = fit_image_load(images, - addr, &fit_uname, &fit_uname_config, - arch, IH_TYPE_FLATDT, - BOOTSTAGE_ID_FIT_FDT_START, - FIT_LOAD_OPTIONAL, &load, &len); - - if (fdt_noffset < 0) - goto out; - - debug("fit_uname=%s, fit_uname_config=%s\n", - fit_uname ? fit_uname : "<NULL>", - fit_uname_config ? fit_uname_config : "<NULL>"); - - fit = map_sysmem(addr, 0); - - cfg_noffset = fit_conf_get_node(fit, fit_uname_config); - - /* single blob, or error just return as well */ - count = fit_conf_get_prop_node_count(fit, cfg_noffset, FIT_FDT_PROP); - if (count <= 1 && !next_config) - goto out; - - /* we need to apply overlays */ - -#ifdef CONFIG_OF_LIBFDT_OVERLAY - image_start = addr; - image_end = addr + fit_get_size(fit); - /* verify that relocation took place by load address not being in fit */ - if (load >= image_start && load < image_end) { - /* check is simplified; fit load checks for overlaps */ - printf("Overlayed FDT requires relocation\n"); - fdt_noffset = -EBADF; - goto out; - } - - base = map_sysmem(load, len); - - /* apply extra configs in FIT first, followed by args */ - for (i = 1; ; i++) { - if (i < count) { - noffset = fit_conf_get_prop_node_index(fit, cfg_noffset, - FIT_FDT_PROP, i); - uname = fit_get_name(fit, noffset, NULL); - uconfig = NULL; - } else { - if (!next_config) - break; - uconfig = next_config; - next_config = strchr(next_config, '#'); - if (next_config) - *next_config++ = '\0'; - uname = NULL; - - /* - * fit_image_load() would load the first FDT from the - * extra config only when uconfig is specified. - * Check if the extra config contains multiple FDTs and - * if so, load them. - */ - cfg_noffset = fit_conf_get_node(fit, uconfig); - - i = 0; - count = fit_conf_get_prop_node_count(fit, cfg_noffset, - FIT_FDT_PROP); - } - - debug("%d: using uname=%s uconfig=%s\n", i, uname, uconfig); - - ov_noffset = fit_image_load(images, - addr, &uname, &uconfig, - arch, IH_TYPE_FLATDT, - BOOTSTAGE_ID_FIT_FDT_START, - FIT_LOAD_IGNORED, &ovload, &ovlen); - if (ov_noffset < 0) { - printf("load of %s failed\n", uname); - continue; - } - debug("%s loaded at 0x%08lx len=0x%08lx\n", - uname, ovload, ovlen); - ov = map_sysmem(ovload, ovlen); - - ovcopylen = ALIGN(fdt_totalsize(ov), SZ_4K); - ovcopy = malloc(ovcopylen); - if (!ovcopy) { - printf("failed to duplicate DTO before application\n"); - fdt_noffset = -ENOMEM; - goto out; - } - - err = fdt_open_into(ov, ovcopy, ovcopylen); - if (err < 0) { - printf("failed on fdt_open_into for DTO\n"); - fdt_noffset = err; - goto out; - } - - base = map_sysmem(load, len + ovlen); - err = fdt_open_into(base, base, len + ovlen); - if (err < 0) { - printf("failed on fdt_open_into\n"); - fdt_noffset = err; - goto out; - } - - /* the verbose method prints out messages on error */ - err = fdt_overlay_apply_verbose(base, ovcopy); - if (err < 0) { - fdt_noffset = err; - goto out; - } - fdt_pack(base); - len = fdt_totalsize(base); - - free(ovcopy); - ovcopy = NULL; - } -#else - printf("config with overlays but CONFIG_OF_LIBFDT_OVERLAY not set\n"); - fdt_noffset = -EBADF; -#endif - -out: - if (datap) - *datap = load; - if (lenp) - *lenp = len; - if (fit_unamep) - *fit_unamep = fit_uname; - if (fit_uname_configp) - *fit_uname_configp = fit_uname_config; - -#ifdef CONFIG_OF_LIBFDT_OVERLAY - if (ovcopy) - free(ovcopy); -#endif - if (fit_uname_config_copy) - free(fit_uname_config_copy); - return fdt_noffset; -} -#endif |