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authorGabor Juhos <juhosg@openwrt.org>2012-10-18 07:22:57 +0000
committerGabor Juhos <juhosg@openwrt.org>2012-10-18 07:22:57 +0000
commit25250a22ef4e5e02475f63c20aa9f73ce7c996bd (patch)
treeaaf908a846393f7b79a990b6690715b82f41e456 /tools/firmware-utils/src/seama.h
parent0045449b1bfcb64ed4eb3e7ea25e62aa0491b404 (diff)
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tools/firmware-utils: add seama tool
Signed-off-by: Gabor Juhos <juhosg@openwrt.org> SVN-Revision: 33840
Diffstat (limited to 'tools/firmware-utils/src/seama.h')
-rw-r--r--tools/firmware-utils/src/seama.h108
1 files changed, 108 insertions, 0 deletions
diff --git a/tools/firmware-utils/src/seama.h b/tools/firmware-utils/src/seama.h
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+++ b/tools/firmware-utils/src/seama.h
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+/* vi: set sw=4 ts=4: */
+/*
+ * (SEA)ttle i(MA)ge is the image which used in project seattle.
+ *
+ * Created by David Hsieh <david_hsieh@alphanetworks.com>
+ * Copyright (C) 2008-2009 Alpha Networks, Inc.
+ *
+ * This file is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either'
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * The GNU C Library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with the GNU C Library; if not, write to the Free
+ * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ * 02111-1307 USA.
+ */
+
+#ifndef __SEAMA_HEADER_FILE__
+#define __SEAMA_HEADER_FILE__
+
+#include <stdint.h>
+
+#define SEAMA_MAGIC 0x5EA3A417
+
+/*
+ * SEAMA looks like the following map.
+ * All the data of the header should be in network byte order.
+ *
+ * +-------------+-------------+------------
+ * | SEAMA magic | ^
+ * +-------------+-------------+ |
+ * | reserved | meta size | |
+ * +-------------+-------------+ header
+ * | image size (0 bytes) | |
+ * +-------------+-------------+ |
+ * ~ Meta data ~ v
+ * +-------------+-------------+------------
+ * | SEAMA magic | ^ ^
+ * +-------------+-------------+ | |
+ * | reserved | meta size | | |
+ * +-------------+-------------+ | |
+ * | image size | | |
+ * +-------------+-------------+ header |
+ * | | | |
+ * | 16 bytes of MD5 digest | | |
+ * | | | |
+ * | | | |
+ * +-------------+-------------+ | |
+ * ~ Meta data ~ v |
+ * +-------------+-------------+------- |
+ * | | |
+ * | Image of the 1st entity | |
+ * ~ ~ 1st entity
+ * | | |
+ * | | v
+ * +-------------+-------------+-------------
+ * | SEAMA magic | ^ ^
+ * +-------------+-------------+ | |
+ * | reserved | meta size | | |
+ * +-------------+-------------+ | |
+ * | image size | | |
+ * +-------------+-------------+ header |
+ * | | | |
+ * | 16 bytes of MD5 digest | | |
+ * | | | |
+ * | | | |
+ * +-------------+-------------+ | |
+ * ~ Meta data ~ v |
+ * +-------------+-------------+------- |
+ * | | |
+ * | Image of the 2nd entity | |
+ * ~ ~ 2nd entity
+ * | | |
+ * | | v
+ * +-------------+-------------+-------------
+ */
+
+
+/*
+ * SEAMA header
+ *
+ * |<-------- 32 bits -------->|
+ * +-------------+-------------+
+ * | SEAMA magic |
+ * +-------------+-------------+
+ * | reserved | meta size |
+ * +-------------+-------------+
+ * | image size |
+ * +-------------+-------------+
+ */
+/* seama header */
+typedef struct seama_hdr seamahdr_t;
+struct seama_hdr
+{
+ uint32_t magic; /* should always be SEAMA_MAGIC. */
+ uint16_t reserved; /* reserved for */
+ uint16_t metasize; /* size of the META data */
+ uint32_t size; /* size of the image */
+} __attribute__ ((packed));
+
+
+#endif