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@@ -0,0 +1,1636 @@
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+/*
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+ * Copyright (c) 2013, Google Inc.
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+ *
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+ * (C) Copyright 2008 Semihalf
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+ *
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+ * (C) Copyright 2000-2006
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+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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+ *
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+ * See file CREDITS for list of people who contributed to this
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+ * project.
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+ *
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+ * This program is free software; you can redistribute it and/or
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+ * modify it under the terms of the GNU General Public License as
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+ * published by the Free Software Foundation; either version 2 of
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+ * the License, or (at your option) any later version.
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+ *
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+ * This program is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ * GNU General Public License for more details.
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+ *
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+ * You should have received a copy of the GNU General Public License
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+ * along with this program; if not, write to the Free Software
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+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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+ * MA 02111-1307 USA
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+ */
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+
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+#ifdef USE_HOSTCC
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+#include "mkimage.h"
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+#include <image.h>
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+#include <time.h>
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+#else
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+#include <common.h>
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+#endif /* !USE_HOSTCC*/
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+
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+#include <bootstage.h>
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+#include <sha1.h>
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+#include <u-boot/crc.h>
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+#include <u-boot/md5.h>
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+
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+/*****************************************************************************/
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+/* New uImage format routines */
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+/*****************************************************************************/
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+#ifndef USE_HOSTCC
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+static int fit_parse_spec(const char *spec, char sepc, ulong addr_curr,
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+ ulong *addr, const char **name)
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+{
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+ const char *sep;
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+
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+ *addr = addr_curr;
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+ *name = NULL;
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+
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+ sep = strchr(spec, sepc);
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+ if (sep) {
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+ if (sep - spec > 0)
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+ *addr = simple_strtoul(spec, NULL, 16);
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+
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+ *name = sep + 1;
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+ return 1;
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+ }
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+
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+ return 0;
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+}
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+
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+/**
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+ * fit_parse_conf - parse FIT configuration spec
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+ * @spec: input string, containing configuration spec
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+ * @add_curr: current image address (to be used as a possible default)
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+ * @addr: pointer to a ulong variable, will hold FIT image address of a given
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+ * configuration
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+ * @conf_name double pointer to a char, will hold pointer to a configuration
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+ * unit name
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+ *
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+ * fit_parse_conf() expects configuration spec in the for of [<addr>]#<conf>,
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+ * where <addr> is a FIT image address that contains configuration
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+ * with a <conf> unit name.
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+ *
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+ * Address part is optional, and if omitted default add_curr will
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+ * be used instead.
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+ *
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+ * returns:
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+ * 1 if spec is a valid configuration string,
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+ * addr and conf_name are set accordingly
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+ * 0 otherwise
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+ */
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+int fit_parse_conf(const char *spec, ulong addr_curr,
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+ ulong *addr, const char **conf_name)
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+{
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+ return fit_parse_spec(spec, '#', addr_curr, addr, conf_name);
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+}
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+
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+/**
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+ * fit_parse_subimage - parse FIT subimage spec
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+ * @spec: input string, containing subimage spec
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+ * @add_curr: current image address (to be used as a possible default)
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+ * @addr: pointer to a ulong variable, will hold FIT image address of a given
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+ * subimage
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+ * @image_name: double pointer to a char, will hold pointer to a subimage name
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+ *
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+ * fit_parse_subimage() expects subimage spec in the for of
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+ * [<addr>]:<subimage>, where <addr> is a FIT image address that contains
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+ * subimage with a <subimg> unit name.
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+ *
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+ * Address part is optional, and if omitted default add_curr will
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+ * be used instead.
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+ *
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+ * returns:
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+ * 1 if spec is a valid subimage string,
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+ * addr and image_name are set accordingly
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+ * 0 otherwise
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+ */
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+int fit_parse_subimage(const char *spec, ulong addr_curr,
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+ ulong *addr, const char **image_name)
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+{
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+ return fit_parse_spec(spec, ':', addr_curr, addr, image_name);
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+}
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+#endif /* !USE_HOSTCC */
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+
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+static void fit_get_debug(const void *fit, int noffset,
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+ char *prop_name, int err)
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+{
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+ debug("Can't get '%s' property from FIT 0x%08lx, node: offset %d, name %s (%s)\n",
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+ prop_name, (ulong)fit, noffset, fit_get_name(fit, noffset, NULL),
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+ fdt_strerror(err));
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+}
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+
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+/**
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+ * fit_print_contents - prints out the contents of the FIT format image
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+ * @fit: pointer to the FIT format image header
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+ * @p: pointer to prefix string
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+ *
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+ * fit_print_contents() formats a multi line FIT image contents description.
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+ * The routine prints out FIT image properties (root node level) follwed by
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+ * the details of each component image.
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+ *
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+ * returns:
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+ * no returned results
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+ */
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+void fit_print_contents(const void *fit)
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+{
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+ char *desc;
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+ char *uname;
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+ int images_noffset;
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+ int confs_noffset;
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+ int noffset;
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+ int ndepth;
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+ int count = 0;
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+ int ret;
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+ const char *p;
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+ time_t timestamp;
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+
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+#ifdef USE_HOSTCC
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+ p = "";
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+#else
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+ p = " ";
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+#endif
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+
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+ /* Root node properties */
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+ ret = fit_get_desc(fit, 0, &desc);
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+ printf("%sFIT description: ", p);
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+ if (ret)
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+ printf("unavailable\n");
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+ else
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+ printf("%s\n", desc);
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+
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+ if (IMAGE_ENABLE_TIMESTAMP) {
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+ ret = fit_get_timestamp(fit, 0, ×tamp);
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+ printf("%sCreated: ", p);
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+ if (ret)
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+ printf("unavailable\n");
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+ else
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+ genimg_print_time(timestamp);
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+ }
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+
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+ /* Find images parent node offset */
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+ images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
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+ if (images_noffset < 0) {
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+ printf("Can't find images parent node '%s' (%s)\n",
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+ FIT_IMAGES_PATH, fdt_strerror(images_noffset));
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+ return;
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+ }
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+
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+ /* Process its subnodes, print out component images details */
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+ for (ndepth = 0, count = 0,
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+ noffset = fdt_next_node(fit, images_noffset, &ndepth);
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+ (noffset >= 0) && (ndepth > 0);
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+ noffset = fdt_next_node(fit, noffset, &ndepth)) {
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+ if (ndepth == 1) {
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+ /*
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+ * Direct child node of the images parent node,
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+ * i.e. component image node.
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+ */
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+ printf("%s Image %u (%s)\n", p, count++,
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+ fit_get_name(fit, noffset, NULL));
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+
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+ fit_image_print(fit, noffset, p);
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+ }
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+ }
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+
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+ /* Find configurations parent node offset */
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+ confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH);
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+ if (confs_noffset < 0) {
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+ debug("Can't get configurations parent node '%s' (%s)\n",
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+ FIT_CONFS_PATH, fdt_strerror(confs_noffset));
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+ return;
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+ }
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+
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+ /* get default configuration unit name from default property */
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+ uname = (char *)fdt_getprop(fit, noffset, FIT_DEFAULT_PROP, NULL);
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+ if (uname)
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+ printf("%s Default Configuration: '%s'\n", p, uname);
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+
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+ /* Process its subnodes, print out configurations details */
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+ for (ndepth = 0, count = 0,
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+ noffset = fdt_next_node(fit, confs_noffset, &ndepth);
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+ (noffset >= 0) && (ndepth > 0);
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+ noffset = fdt_next_node(fit, noffset, &ndepth)) {
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+ if (ndepth == 1) {
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+ /*
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+ * Direct child node of the configurations parent node,
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+ * i.e. configuration node.
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+ */
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+ printf("%s Configuration %u (%s)\n", p, count++,
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+ fit_get_name(fit, noffset, NULL));
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+
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+ fit_conf_print(fit, noffset, p);
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+ }
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+ }
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+}
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+
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+/**
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+ * fit_image_print - prints out the FIT component image details
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+ * @fit: pointer to the FIT format image header
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+ * @image_noffset: offset of the component image node
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+ * @p: pointer to prefix string
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+ *
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+ * fit_image_print() lists all mandatory properies for the processed component
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+ * image. If present, hash nodes are printed out as well. Load
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+ * address for images of type firmware is also printed out. Since the load
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+ * address is not mandatory for firmware images, it will be output as
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+ * "unavailable" when not present.
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+ *
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+ * returns:
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+ * no returned results
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+ */
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+void fit_image_print(const void *fit, int image_noffset, const char *p)
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+{
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+ char *desc;
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+ uint8_t type, arch, os, comp;
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+ size_t size;
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+ ulong load, entry;
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+ const void *data;
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+ int noffset;
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+ int ndepth;
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+ int ret;
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+
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+ /* Mandatory properties */
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+ ret = fit_get_desc(fit, image_noffset, &desc);
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+ printf("%s Description: ", p);
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+ if (ret)
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+ printf("unavailable\n");
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+ else
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+ printf("%s\n", desc);
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+
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+ fit_image_get_type(fit, image_noffset, &type);
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+ printf("%s Type: %s\n", p, genimg_get_type_name(type));
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+
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+ fit_image_get_comp(fit, image_noffset, &comp);
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+ printf("%s Compression: %s\n", p, genimg_get_comp_name(comp));
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+
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+ ret = fit_image_get_data(fit, image_noffset, &data, &size);
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+
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+#ifndef USE_HOSTCC
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+ printf("%s Data Start: ", p);
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+ if (ret)
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+ printf("unavailable\n");
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+ else
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+ printf("0x%08lx\n", (ulong)data);
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+#endif
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+
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+ printf("%s Data Size: ", p);
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+ if (ret)
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+ printf("unavailable\n");
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+ else
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+ genimg_print_size(size);
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+
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+ /* Remaining, type dependent properties */
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+ if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) ||
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+ (type == IH_TYPE_RAMDISK) || (type == IH_TYPE_FIRMWARE) ||
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+ (type == IH_TYPE_FLATDT)) {
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+ fit_image_get_arch(fit, image_noffset, &arch);
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+ printf("%s Architecture: %s\n", p, genimg_get_arch_name(arch));
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+ }
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+
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+ if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_RAMDISK)) {
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+ fit_image_get_os(fit, image_noffset, &os);
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+ printf("%s OS: %s\n", p, genimg_get_os_name(os));
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+ }
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+
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+ if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) ||
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+ (type == IH_TYPE_FIRMWARE) || (type == IH_TYPE_RAMDISK)) {
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+ ret = fit_image_get_load(fit, image_noffset, &load);
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+ printf("%s Load Address: ", p);
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+ if (ret)
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+ printf("unavailable\n");
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+ else
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+ printf("0x%08lx\n", load);
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+ }
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+
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+ if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) ||
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+ (type == IH_TYPE_RAMDISK)) {
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+ fit_image_get_entry(fit, image_noffset, &entry);
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+ printf("%s Entry Point: ", p);
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+ if (ret)
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+ printf("unavailable\n");
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+ else
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+ printf("0x%08lx\n", entry);
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+ }
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+
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+ /* Process all hash subnodes of the component image node */
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+ for (ndepth = 0, noffset = fdt_next_node(fit, image_noffset, &ndepth);
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+ (noffset >= 0) && (ndepth > 0);
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+ noffset = fdt_next_node(fit, noffset, &ndepth)) {
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+ if (ndepth == 1) {
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+ /* Direct child node of the component image node */
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+ fit_image_print_hash(fit, noffset, p);
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+ }
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+ }
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+}
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+
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+/**
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+ * fit_image_print_hash - prints out the hash node details
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+ * @fit: pointer to the FIT format image header
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+ * @noffset: offset of the hash node
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+ * @p: pointer to prefix string
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+ *
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+ * fit_image_print_hash() lists properies for the processed hash node
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+ *
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+ * returns:
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+ * no returned results
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+ */
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+void fit_image_print_hash(const void *fit, int noffset, const char *p)
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+{
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+ char *algo;
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+ uint8_t *value;
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+ int value_len;
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+ int i, ret;
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+
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+ /*
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+ * Check subnode name, must be equal to "hash".
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+ * Multiple hash nodes require unique unit node
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+ * names, e.g. hash@1, hash@2, etc.
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+ */
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+ if (strncmp(fit_get_name(fit, noffset, NULL),
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+ FIT_HASH_NODENAME, strlen(FIT_HASH_NODENAME)) != 0)
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+ return;
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+
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+ debug("%s Hash node: '%s'\n", p,
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+ fit_get_name(fit, noffset, NULL));
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+
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+ printf("%s Hash algo: ", p);
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+ if (fit_image_hash_get_algo(fit, noffset, &algo)) {
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+ printf("invalid/unsupported\n");
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+ return;
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+ }
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+ printf("%s\n", algo);
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+
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+ ret = fit_image_hash_get_value(fit, noffset, &value,
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+ &value_len);
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+ printf("%s Hash value: ", p);
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+ if (ret) {
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+ printf("unavailable\n");
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+ } else {
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+ for (i = 0; i < value_len; i++)
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+ printf("%02x", value[i]);
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+ printf("\n");
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+ }
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+
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+ debug("%s Hash len: %d\n", p, value_len);
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+}
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+
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+/**
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+ * fit_get_desc - get node description property
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+ * @fit: pointer to the FIT format image header
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+ * @noffset: node offset
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+ * @desc: double pointer to the char, will hold pointer to the descrption
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+ *
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+ * fit_get_desc() reads description property from a given node, if
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+ * description is found pointer to it is returened in third call argument.
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+ *
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+ * returns:
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+ * 0, on success
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+ * -1, on failure
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+ */
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+int fit_get_desc(const void *fit, int noffset, char **desc)
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+{
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+ int len;
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+
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+ *desc = (char *)fdt_getprop(fit, noffset, FIT_DESC_PROP, &len);
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+ if (*desc == NULL) {
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+ fit_get_debug(fit, noffset, FIT_DESC_PROP, len);
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+ return -1;
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+ }
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+
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+ return 0;
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|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * 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;
|
|
|
+}
|
|
|
+
|
|
|
+#ifndef USE_HOSTCC
|
|
|
+/**
|
|
|
+ * 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
|
|
|
+ */
|
|
|
+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;
|
|
|
+}
|
|
|
+#endif
|
|
|
+
|
|
|
+/**
|
|
|
+ * 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
|
|
|
+ */
|
|
|
+static int calculate_hash(const void *data, int data_len, const char *algo,
|
|
|
+ uint8_t *value, int *value_len)
|
|
|
+{
|
|
|
+ if (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 (strcmp(algo, "sha1") == 0) {
|
|
|
+ sha1_csum_wd((unsigned char *)data, data_len,
|
|
|
+ (unsigned char *)value, CHUNKSZ_SHA1);
|
|
|
+ *value_len = 20;
|
|
|
+ } else if (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;
|
|
|
+}
|
|
|
+
|
|
|
+#ifdef USE_HOSTCC
|
|
|
+/**
|
|
|
+ * fit_set_hashes - process FIT component image nodes and calculate hashes
|
|
|
+ * @fit: pointer to the FIT format image header
|
|
|
+ *
|
|
|
+ * fit_set_hashes() adds hash values for all component images in the FIT blob.
|
|
|
+ * Hashes are calculated for all component images which have hash subnodes
|
|
|
+ * with algorithm property set to one of the supported hash algorithms.
|
|
|
+ *
|
|
|
+ * returns
|
|
|
+ * 0, on success
|
|
|
+ * libfdt error code, on failure
|
|
|
+ */
|
|
|
+int fit_set_hashes(void *fit)
|
|
|
+{
|
|
|
+ int images_noffset;
|
|
|
+ int noffset;
|
|
|
+ int ndepth;
|
|
|
+ int ret;
|
|
|
+
|
|
|
+ /* 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 images_noffset;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Process its subnodes, print out component images details */
|
|
|
+ for (ndepth = 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.
|
|
|
+ */
|
|
|
+ ret = fit_image_set_hashes(fit, noffset);
|
|
|
+ if (ret)
|
|
|
+ return ret;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * fit_image_set_hashes - calculate/set hashes for given component image node
|
|
|
+ * @fit: pointer to the FIT format image header
|
|
|
+ * @image_noffset: requested component image node
|
|
|
+ *
|
|
|
+ * fit_image_set_hashes() adds hash values for an component image node. All
|
|
|
+ * existing hash subnodes are checked, if algorithm property is set to one of
|
|
|
+ * the supported hash algorithms, hash value is computed and corresponding
|
|
|
+ * hash node property is set, for example:
|
|
|
+ *
|
|
|
+ * Input component image node structure:
|
|
|
+ *
|
|
|
+ * o image@1 (at image_noffset)
|
|
|
+ * | - data = [binary data]
|
|
|
+ * o hash@1
|
|
|
+ * |- algo = "sha1"
|
|
|
+ *
|
|
|
+ * Output component image node structure:
|
|
|
+ *
|
|
|
+ * o image@1 (at image_noffset)
|
|
|
+ * | - data = [binary data]
|
|
|
+ * o hash@1
|
|
|
+ * |- algo = "sha1"
|
|
|
+ * |- value = sha1(data)
|
|
|
+ *
|
|
|
+ * returns:
|
|
|
+ * 0 on sucess
|
|
|
+ * <0 on failure
|
|
|
+ */
|
|
|
+int fit_image_set_hashes(void *fit, int image_noffset)
|
|
|
+{
|
|
|
+ const void *data;
|
|
|
+ size_t size;
|
|
|
+ char *algo;
|
|
|
+ uint8_t value[FIT_MAX_HASH_LEN];
|
|
|
+ int value_len;
|
|
|
+ int noffset;
|
|
|
+ int ndepth;
|
|
|
+
|
|
|
+ /* Get image data and data length */
|
|
|
+ if (fit_image_get_data(fit, image_noffset, &data, &size)) {
|
|
|
+ printf("Can't get image data/size\n");
|
|
|
+ return -1;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* 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 */
|
|
|
+
|
|
|
+ /*
|
|
|
+ * 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) {
|
|
|
+ /* Not a hash subnode, skip it */
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (fit_image_hash_get_algo(fit, noffset, &algo)) {
|
|
|
+ printf("Can't get hash algo property for '%s' hash node in '%s' image node\n",
|
|
|
+ fit_get_name(fit, noffset, NULL),
|
|
|
+ fit_get_name(fit, image_noffset, NULL));
|
|
|
+ return -1;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (calculate_hash(data, size, algo, value,
|
|
|
+ &value_len)) {
|
|
|
+ printf("Unsupported hash algorithm (%s) for '%s' hash node in '%s' image node\n",
|
|
|
+ algo, fit_get_name(fit, noffset, NULL),
|
|
|
+ fit_get_name(fit, image_noffset, NULL));
|
|
|
+ return -1;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (fit_image_hash_set_value(fit, noffset, value,
|
|
|
+ value_len)) {
|
|
|
+ printf("Can't set hash value for '%s' hash node in '%s' image node\n",
|
|
|
+ fit_get_name(fit, noffset, NULL),
|
|
|
+ fit_get_name(fit, image_noffset, NULL));
|
|
|
+ return -1;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * fit_image_hash_set_value - set hash value in requested has node
|
|
|
+ * @fit: pointer to the FIT format image header
|
|
|
+ * @noffset: hash node offset
|
|
|
+ * @value: hash value to be set
|
|
|
+ * @value_len: hash value length
|
|
|
+ *
|
|
|
+ * fit_image_hash_set_value() attempts to set hash value in a node at offset
|
|
|
+ * given and returns operation status to the caller.
|
|
|
+ *
|
|
|
+ * returns
|
|
|
+ * 0, on success
|
|
|
+ * -1, on failure
|
|
|
+ */
|
|
|
+int fit_image_hash_set_value(void *fit, int noffset, uint8_t *value,
|
|
|
+ int value_len)
|
|
|
+{
|
|
|
+ int ret;
|
|
|
+
|
|
|
+ ret = fdt_setprop(fit, noffset, FIT_VALUE_PROP, value, value_len);
|
|
|
+ if (ret) {
|
|
|
+ printf("Can't set hash '%s' property for '%s' node(%s)\n",
|
|
|
+ FIT_VALUE_PROP, fit_get_name(fit, noffset, NULL),
|
|
|
+ fdt_strerror(ret));
|
|
|
+ return -1;
|
|
|
+ }
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+#endif /* USE_HOSTCC */
|
|
|
+
|
|
|
+/**
|
|
|
+ * fit_image_check_hashes - verify data intergity
|
|
|
+ * @fit: pointer to the FIT format image header
|
|
|
+ * @image_noffset: component image node offset
|
|
|
+ *
|
|
|
+ * fit_image_check_hashes() 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_check_hashes(const void *fit, int image_noffset)
|
|
|
+{
|
|
|
+ const void *data;
|
|
|
+ size_t size;
|
|
|
+ char *algo;
|
|
|
+ uint8_t *fit_value;
|
|
|
+ int fit_value_len;
|
|
|
+#ifndef USE_HOSTCC
|
|
|
+ int ignore;
|
|
|
+#endif
|
|
|
+ uint8_t value[FIT_MAX_HASH_LEN];
|
|
|
+ int value_len;
|
|
|
+ int noffset;
|
|
|
+ int ndepth;
|
|
|
+ char *err_msg = "";
|
|
|
+
|
|
|
+ /* Get image data and data length */
|
|
|
+ if (fit_image_get_data(fit, image_noffset, &data, &size)) {
|
|
|
+ printf("Can't get image data/size\n");
|
|
|
+ return 0;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* 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 */
|
|
|
+
|
|
|
+ /*
|
|
|
+ * 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)
|
|
|
+ continue;
|
|
|
+
|
|
|
+ if (fit_image_hash_get_algo(fit, noffset, &algo)) {
|
|
|
+ err_msg = " error!\nCan't get hash algo property";
|
|
|
+ goto error;
|
|
|
+ }
|
|
|
+ printf("%s", algo);
|
|
|
+
|
|
|
+#ifndef USE_HOSTCC
|
|
|
+ fit_image_hash_get_ignore(fit, noffset, &ignore);
|
|
|
+ if (ignore) {
|
|
|
+ printf("-skipped ");
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+#endif
|
|
|
+
|
|
|
+ if (fit_image_hash_get_value(fit, noffset, &fit_value,
|
|
|
+ &fit_value_len)) {
|
|
|
+ err_msg = " error!\nCan't get hash value "
|
|
|
+ "property";
|
|
|
+ goto error;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (calculate_hash(data, size, algo, value,
|
|
|
+ &value_len)) {
|
|
|
+ err_msg = " error!\n"
|
|
|
+ "Unsupported hash algorithm";
|
|
|
+ goto error;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (value_len != fit_value_len) {
|
|
|
+ err_msg = " error !\nBad hash value len";
|
|
|
+ goto error;
|
|
|
+ } else if (memcmp(value, fit_value, value_len) != 0) {
|
|
|
+ err_msg = " error!\nBad hash value";
|
|
|
+ goto error;
|
|
|
+ }
|
|
|
+ printf("+ ");
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (noffset == -FDT_ERR_TRUNCATED || noffset == -FDT_ERR_BADSTRUCTURE) {
|
|
|
+ err_msg = " error!\nCorrupted or truncated tree";
|
|
|
+ goto error;
|
|
|
+ }
|
|
|
+
|
|
|
+ return 1;
|
|
|
+
|
|
|
+error:
|
|
|
+ printf("%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_check_hashes - verify data intergity for all images
|
|
|
+ * @fit: pointer to the FIT format image header
|
|
|
+ *
|
|
|
+ * fit_all_image_check_hashes() 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_check_hashes(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_check_hashes(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;
|
|
|
+}
|
|
|
+
|
|
|
+static 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_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
|
|
|
+ * @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);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * 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
|
|
|
+ */
|
|
|
+#ifndef USE_HOSTCC
|
|
|
+int fit_check_ramdisk(const void *fit, int rd_noffset, uint8_t arch,
|
|
|
+ int verify)
|
|
|
+{
|
|
|
+ fit_image_print(fit, rd_noffset, " ");
|
|
|
+
|
|
|
+ if (verify) {
|
|
|
+ puts(" Verifying Hash Integrity ... ");
|
|
|
+ if (!fit_image_check_hashes(fit, rd_noffset)) {
|
|
|
+ puts("Bad Data Hash\n");
|
|
|
+ bootstage_error(BOOTSTAGE_ID_FIT_RD_HASH);
|
|
|
+ return 0;
|
|
|
+ }
|
|
|
+ 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;
|
|
|
+ }
|
|
|
+
|
|
|
+ bootstage_mark(BOOTSTAGE_ID_FIT_RD_CHECK_ALL_OK);
|
|
|
+ return 1;
|
|
|
+}
|
|
|
+#endif /* USE_HOSTCC */
|
Simon Glass