From 6bf4ca076f8c7a3c1c5abd1cbb059516f7af15df Mon Sep 17 00:00:00 2001
From: Heiko Schocher <hs@denx.de>
Date: Mon, 3 Mar 2014 12:19:29 +0100
Subject: tools, fit: add fit_info host command
add fit_info command to the host tools. This command prints
the name, offset and the len from a property from a node in
a fit file. This info can be used to extract a properties
data with linux tools, for example "dd".
Signed-off-by: Heiko Schocher <hs@denx.de>
Acked-by: Simon Glass <sjg@chromium.org>
---
tools/fit_common.c | 86 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 86 insertions(+)
create mode 100644 tools/fit_common.c
(limited to 'tools/fit_common.c')
diff --git a/tools/fit_common.c b/tools/fit_common.c
new file mode 100644
index 0000000000..ee1767bd01
--- /dev/null
+++ b/tools/fit_common.c
@@ -0,0 +1,86 @@
+/*
+ * (C) Copyright 2014
+ * DENX Software Engineering
+ * Heiko Schocher <hs@denx.de>
+ *
+ * (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 "mkimage.h"
+#include "fit_common.h"
+#include <image.h>
+#include <u-boot/crc.h>
+
+int fit_verify_header(unsigned char *ptr, int image_size,
+ struct image_tool_params *params)
+{
+ return fdt_check_header(ptr);
+}
+
+int fit_check_image_types(uint8_t type)
+{
+ if (type == IH_TYPE_FLATDT)
+ return EXIT_SUCCESS;
+ else
+ return EXIT_FAILURE;
+}
+
+int mmap_fdt(char *cmdname, const char *fname, void **blobp,
+ struct stat *sbuf, int useunlink)
+{
+ void *ptr;
+ int fd;
+
+ /* Load FIT blob into memory (we need to write hashes/signatures) */
+ fd = open(fname, O_RDWR | O_BINARY);
+
+ if (fd < 0) {
+ fprintf(stderr, "%s: Can't open %s: %s\n",
+ cmdname, fname, strerror(errno));
+ if (useunlink)
+ unlink(fname);
+ return -1;
+ }
+
+ if (fstat(fd, sbuf) < 0) {
+ fprintf(stderr, "%s: Can't stat %s: %s\n",
+ cmdname, fname, strerror(errno));
+ if (useunlink)
+ unlink(fname);
+ return -1;
+ }
+
+ errno = 0;
+ ptr = mmap(0, sbuf->st_size, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
+ if ((ptr == MAP_FAILED) || (errno != 0)) {
+ fprintf(stderr, "%s: Can't read %s: %s\n",
+ cmdname, fname, strerror(errno));
+ if (useunlink)
+ unlink(fname);
+ return -1;
+ }
+
+ /* check if ptr has a valid blob */
+ if (fdt_check_header(ptr)) {
+ fprintf(stderr, "%s: Invalid FIT blob\n", cmdname);
+ if (useunlink)
+ unlink(fname);
+ return -1;
+ }
+
+ *blobp = ptr;
+ return fd;
+}
--
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