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-rw-r--r--tools/fit_image.c212
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diff --git a/tools/fit_image.c b/tools/fit_image.c
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+/*
+ * (C) Copyright 2008 Semihalf
+ *
+ * (C) Copyright 2000-2004
+ * DENX Software Engineering
+ * Wolfgang Denk, wd@denx.de
+ *
+ * Updated-by: Prafulla Wadaskar <prafulla@marvell.com>
+ * FIT image specific code abstracted from mkimage.c
+ * some functions added to address abstraction
+ *
+ * All rights reserved.
+ *
+ * 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
+ */
+
+#include "mkimage.h"
+#include <image.h>
+#include <u-boot/crc.h>
+
+static image_header_t header;
+
+static int fit_verify_header (unsigned char *ptr, int image_size,
+ struct mkimage_params *params)
+{
+ return fdt_check_header ((void *)ptr);
+}
+
+static int fit_check_image_types (uint8_t type)
+{
+ if (type == IH_TYPE_FLATDT)
+ return EXIT_SUCCESS;
+ else
+ return EXIT_FAILURE;
+}
+
+/**
+ * fit_handle_file - main FIT file processing function
+ *
+ * fit_handle_file() runs dtc to convert .its to .itb, includes
+ * binary data, updates timestamp property and calculates hashes.
+ *
+ * datafile - .its file
+ * imagefile - .itb file
+ *
+ * returns:
+ * only on success, otherwise calls exit (EXIT_FAILURE);
+ */
+static int fit_handle_file (struct mkimage_params *params)
+{
+ char tmpfile[MKIMAGE_MAX_TMPFILE_LEN];
+ char cmd[MKIMAGE_MAX_DTC_CMDLINE_LEN];
+ int tfd;
+ struct stat sbuf;
+ unsigned char *ptr;
+
+ /* Flattened Image Tree (FIT) format handling */
+ debug ("FIT format handling\n");
+
+ /* call dtc to include binary properties into the tmp file */
+ if (strlen (params->imagefile) +
+ strlen (MKIMAGE_TMPFILE_SUFFIX) + 1 > sizeof (tmpfile)) {
+ fprintf (stderr, "%s: Image file name (%s) too long, "
+ "can't create tmpfile",
+ params->imagefile, params->cmdname);
+ return (EXIT_FAILURE);
+ }
+ sprintf (tmpfile, "%s%s", params->imagefile, MKIMAGE_TMPFILE_SUFFIX);
+
+ /* dtc -I dts -O -p 200 datafile > tmpfile */
+ sprintf (cmd, "%s %s %s > %s",
+ MKIMAGE_DTC, params->dtc, params->datafile, tmpfile);
+ debug ("Trying to execute \"%s\"\n", cmd);
+ if (system (cmd) == -1) {
+ fprintf (stderr, "%s: system(%s) failed: %s\n",
+ params->cmdname, cmd, strerror(errno));
+ unlink (tmpfile);
+ return (EXIT_FAILURE);
+ }
+
+ /* load FIT blob into memory */
+ tfd = open (tmpfile, O_RDWR|O_BINARY);
+
+ if (tfd < 0) {
+ fprintf (stderr, "%s: Can't open %s: %s\n",
+ params->cmdname, tmpfile, strerror(errno));
+ unlink (tmpfile);
+ return (EXIT_FAILURE);
+ }
+
+ if (fstat (tfd, &sbuf) < 0) {
+ fprintf (stderr, "%s: Can't stat %s: %s\n",
+ params->cmdname, tmpfile, strerror(errno));
+ unlink (tmpfile);
+ return (EXIT_FAILURE);
+ }
+
+ ptr = mmap (0, sbuf.st_size, PROT_READ|PROT_WRITE, MAP_SHARED,
+ tfd, 0);
+ if (ptr == MAP_FAILED) {
+ fprintf (stderr, "%s: Can't read %s: %s\n",
+ params->cmdname, tmpfile, strerror(errno));
+ unlink (tmpfile);
+ return (EXIT_FAILURE);
+ }
+
+ /* check if ptr has a valid blob */
+ if (fdt_check_header (ptr)) {
+ fprintf (stderr, "%s: Invalid FIT blob\n", params->cmdname);
+ unlink (tmpfile);
+ return (EXIT_FAILURE);
+ }
+
+ /* set hashes for images in the blob */
+ if (fit_set_hashes (ptr)) {
+ fprintf (stderr, "%s Can't add hashes to FIT blob",
+ params->cmdname);
+ unlink (tmpfile);
+ return (EXIT_FAILURE);
+ }
+
+ /* add a timestamp at offset 0 i.e., root */
+ if (fit_set_timestamp (ptr, 0, sbuf.st_mtime)) {
+ fprintf (stderr, "%s: Can't add image timestamp\n",
+ params->cmdname);
+ unlink (tmpfile);
+ return (EXIT_FAILURE);
+ }
+ debug ("Added timestamp successfully\n");
+
+ munmap ((void *)ptr, sbuf.st_size);
+ close (tfd);
+
+ if (rename (tmpfile, params->imagefile) == -1) {
+ fprintf (stderr, "%s: Can't rename %s to %s: %s\n",
+ params->cmdname, tmpfile, params->imagefile,
+ strerror (errno));
+ unlink (tmpfile);
+ unlink (params->imagefile);
+ return (EXIT_FAILURE);
+ }
+ return (EXIT_SUCCESS);
+}
+
+static void fit_set_header (void *ptr, struct stat *sbuf, int ifd,
+ struct mkimage_params *params)
+{
+ uint32_t checksum;
+
+ image_header_t * hdr = (image_header_t *)ptr;
+
+ checksum = crc32 (0,
+ (const unsigned char *)(ptr +
+ sizeof(image_header_t)),
+ sbuf->st_size - sizeof(image_header_t));
+
+ /* Build new header */
+ image_set_magic (hdr, IH_MAGIC);
+ image_set_time (hdr, sbuf->st_mtime);
+ image_set_size (hdr, sbuf->st_size - sizeof(image_header_t));
+ image_set_load (hdr, params->addr);
+ image_set_ep (hdr, params->ep);
+ image_set_dcrc (hdr, checksum);
+ image_set_os (hdr, params->os);
+ image_set_arch (hdr, params->arch);
+ image_set_type (hdr, params->type);
+ image_set_comp (hdr, params->comp);
+
+ image_set_name (hdr, params->imagename);
+
+ checksum = crc32 (0, (const unsigned char *)hdr,
+ sizeof(image_header_t));
+
+ image_set_hcrc (hdr, checksum);
+}
+
+static int fit_check_params (struct mkimage_params *params)
+{
+ return ((params->dflag && (params->fflag || params->lflag)) ||
+ (params->fflag && (params->dflag || params->lflag)) ||
+ (params->lflag && (params->dflag || params->fflag)));
+}
+
+static struct image_type_params fitimage_params = {
+ .name = "FIT Image support",
+ .header_size = sizeof(image_header_t),
+ .hdr = (void*)&header,
+ .verify_header = fit_verify_header,
+ .print_header = fit_print_contents,
+ .check_image_type = fit_check_image_types,
+ .fflag_handle = fit_handle_file,
+ .set_header = fit_set_header,
+ .check_params = fit_check_params,
+};
+
+void init_fit_image_type (void)
+{
+ mkimage_register (&fitimage_params);
+}
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