Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / tools / fit_image.c

diff --git a/qemu/roms/u-boot/tools/fit_image.c b/qemu/roms/u-boot/tools/fit_image.c
new file mode 100644 (file)
index 0000000..eeee484
--- /dev/null
+++ b/qemu/roms/u-boot/tools/fit_image.c
@@ -0,0 +1,156 @@
+/*
+ * (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.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include "imagetool.h"
+#include "fit_common.h"
+#include "mkimage.h"
+#include <image.h>
+#include <u-boot/crc.h>
+
+static image_header_t header;
+
+/**
+ * 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 image_tool_params *params)
+{
+       char tmpfile[MKIMAGE_MAX_TMPFILE_LEN];
+       char cmd[MKIMAGE_MAX_DTC_CMDLINE_LEN];
+       int tfd, destfd = 0;
+       void *dest_blob = NULL;
+       struct stat sbuf;
+       void *ptr;
+       off_t destfd_size = 0;
+
+       /* 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);
+
+       /* We either compile the source file, or use the existing FIT image */
+       if (params->datafile) {
+               /* dtc -I dts -O dtb -p 500 datafile > tmpfile */
+               snprintf(cmd, sizeof(cmd), "%s %s %s > %s",
+                        MKIMAGE_DTC, params->dtc, params->datafile, tmpfile);
+               debug("Trying to execute \"%s\"\n", cmd);
+       } else {
+               snprintf(cmd, sizeof(cmd), "cp %s %s",
+                        params->imagefile, tmpfile);
+       }
+       if (system (cmd) == -1) {
+               fprintf (stderr, "%s: system(%s) failed: %s\n",
+                               params->cmdname, cmd, strerror(errno));
+               goto err_system;
+       }
+
+       if (params->keydest) {
+               destfd = mmap_fdt(params->cmdname, params->keydest,
+                                 &dest_blob, &sbuf, 1);
+               if (destfd < 0)
+                       goto err_keydest;
+               destfd_size = sbuf.st_size;
+       }
+
+       tfd = mmap_fdt(params->cmdname, tmpfile, &ptr, &sbuf, 1);
+       if (tfd < 0)
+               goto err_mmap;
+
+       /* set hashes for images in the blob */
+       if (fit_add_verification_data(params->keydir,
+                                     dest_blob, ptr, params->comment,
+                                     params->require_keys)) {
+               fprintf(stderr, "%s Can't add hashes to FIT blob\n",
+                       params->cmdname);
+               goto err_add_hashes;
+       }
+
+       /* for first image creation, add a timestamp at offset 0 i.e., root  */
+       if (params->datafile && fit_set_timestamp(ptr, 0, sbuf.st_mtime)) {
+               fprintf (stderr, "%s: Can't add image timestamp\n",
+                               params->cmdname);
+               goto err_add_timestamp;
+       }
+       debug ("Added timestamp successfully\n");
+
+       munmap ((void *)ptr, sbuf.st_size);
+       close (tfd);
+       if (dest_blob) {
+               munmap(dest_blob, destfd_size);
+               close(destfd);
+       }
+
+       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);
+
+err_add_timestamp:
+err_add_hashes:
+       munmap(ptr, sbuf.st_size);
+err_mmap:
+       if (dest_blob)
+               munmap(dest_blob, destfd_size);
+err_keydest:
+err_system:
+       unlink(tmpfile);
+       return -1;
+}
+
+static int fit_check_params(struct image_tool_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 = NULL,     /* FIT images use DTB header */
+       .check_params = fit_check_params,
+};
+
+void init_fit_image_type (void)
+{
+       register_image_type(&fitimage_params);
+}