* (C) Copyright 2000-2006
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#ifdef USE_HOSTCC
#include <time.h>
#else
#include <common.h>
+#include <errno.h>
+#include <asm/io.h>
+DECLARE_GLOBAL_DATA_PTR;
#endif /* !USE_HOSTCC*/
#include <bootstage.h>
* @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)
+static void fit_image_print_data(const void *fit, int noffset, const char *p,
+ const char *type)
{
- char *algo;
+ const char *keyname;
uint8_t *value;
int value_len;
- int i, ret;
-
- /*
- * 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(fit_get_name(fit, noffset, NULL),
- FIT_HASH_NODENAME,
- strlen(FIT_HASH_NODENAME)) != 0)
- return;
+ char *algo;
+ int required;
+ int ret, i;
- debug("%s Hash node: '%s'\n", p,
+ debug("%s %s node: '%s'\n", p, type,
fit_get_name(fit, noffset, NULL));
-
- printf("%s Hash algo: ", p);
+ printf("%s %s algo: ", p, type);
if (fit_image_hash_get_algo(fit, noffset, &algo)) {
printf("invalid/unsupported\n");
return;
}
- printf("%s\n", algo);
+ 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 Hash value: ", p);
+ printf("%s %s value: ", p, type);
if (ret) {
printf("unavailable\n");
} else {
printf("\n");
}
- debug("%s Hash len: %d\n", p, value_len);
+ 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);
+ }
}
/**
* 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);
+ 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");
+ }
}
/**
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));
#ifndef USE_HOSTCC
printf("%s Data Start: ", p);
- if (ret)
+ if (ret) {
printf("unavailable\n");
- else
- printf("0x%08lx\n", (ulong)data);
+ } else {
+ void *vdata = (void *)data;
+
+ printf("0x%08lx\n", (ulong)map_to_sysmem(vdata));
+ }
#endif
printf("%s Data Size: ", p);
{
const void *data;
size_t size;
- int noffset;
+ 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";
- return 0;
+ 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 */
&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("+ ");
}
}
return fit_image_get_node(fit, uname);
}
-/**
- * fit_conf_get_kernel_node - get kernel image node offset that corresponds to
- * a given configuration
- * @fit: pointer to the FIT format image header
- * @noffset: configuration node offset
- *
- * fit_conf_get_kernel_node() retrives kernel image node unit name from
- * configuration FIT_KERNEL_PROP property and translates it to the node
- * offset.
- *
- * returns:
- * image node offset when found (>=0)
- * negative number on failure (FDT_ERR_* code)
- */
-int fit_conf_get_kernel_node(const void *fit, int noffset)
-{
- return fit_conf_get_prop_node(fit, noffset, FIT_KERNEL_PROP);
-}
-
-/**
- * fit_conf_get_ramdisk_node - get ramdisk image node offset that corresponds to
- * a given configuration
- * @fit: pointer to the FIT format image header
- * @noffset: configuration node offset
- *
- * fit_conf_get_ramdisk_node() retrives ramdisk image node unit name from
- * configuration FIT_KERNEL_PROP property and translates it to the node
- * offset.
- *
- * returns:
- * image node offset when found (>=0)
- * negative number on failure (FDT_ERR_* code)
- */
-int fit_conf_get_ramdisk_node(const void *fit, int noffset)
-{
- return fit_conf_get_prop_node(fit, noffset, FIT_RAMDISK_PROP);
-}
-
-/**
- * fit_conf_get_fdt_node - get fdt image node offset that corresponds to
- * a given configuration
- * @fit: pointer to the FIT format image header
- * @noffset: configuration node offset
- *
- * fit_conf_get_fdt_node() retrives fdt image node unit name from
- * configuration FIT_KERNEL_PROP property and translates it to the node
- * offset.
- *
- * returns:
- * image node offset when found (>=0)
- * negative number on failure (FDT_ERR_* code)
- */
-int fit_conf_get_fdt_node(const void *fit, int noffset)
-{
- return fit_conf_get_prop_node(fit, noffset, FIT_FDT_PROP);
-}
-
/**
* fit_conf_print - prints out the FIT configuration details
* @fit: pointer to the FIT format image header
printf("%s FDT: %s\n", p, uname);
}
-/**
- * fit_check_ramdisk - verify FIT format ramdisk subimage
- * @fit_hdr: pointer to the FIT ramdisk header
- * @rd_noffset: ramdisk subimage node offset within FIT image
- * @arch: requested ramdisk image architecture type
- * @verify: data CRC verification flag
- *
- * fit_check_ramdisk() verifies integrity of the ramdisk subimage and from
- * specified FIT image.
- *
- * returns:
- * 1, on success
- * 0, on failure
- */
-int fit_check_ramdisk(const void *fit, int rd_noffset, uint8_t arch,
- int verify)
+int fit_image_select(const void *fit, int rd_noffset, int verify)
{
fit_image_print(fit, rd_noffset, " ");
puts(" Verifying Hash Integrity ... ");
if (!fit_image_verify(fit, rd_noffset)) {
puts("Bad Data Hash\n");
- bootstage_error(BOOTSTAGE_ID_FIT_RD_HASH);
- return 0;
+ return -EACCES;
}
puts("OK\n");
}
- bootstage_mark(BOOTSTAGE_ID_FIT_RD_CHECK_ALL);
- if (!fit_image_check_os(fit, rd_noffset, IH_OS_LINUX) ||
- !fit_image_check_arch(fit, rd_noffset, arch) ||
- !fit_image_check_type(fit, rd_noffset, IH_TYPE_RAMDISK)) {
- printf("No Linux %s Ramdisk Image\n",
- genimg_get_arch_name(arch));
- bootstage_error(BOOTSTAGE_ID_FIT_RD_CHECK_ALL);
- return 0;
+ 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;
}
- bootstage_mark(BOOTSTAGE_ID_FIT_RD_CHECK_ALL_OK);
- return 1;
+ 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;
}