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authorAmaury Pouly <pamaury@rockbox.org>2011-04-17 01:43:44 +0000
committerAmaury Pouly <pamaury@rockbox.org>2011-04-17 01:43:44 +0000
commitf6208bde4630571ae75a43ea39a25a746f08bcfb (patch)
treecd585e94b9a91c832668569798dd07e0b0fca66b /utils/sbtools/sb.h
parent02118edb997112234798c4f3d3e978659e7a8836 (diff)
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Rename sbinfo to sbtools and sbinfo.c to sbtoelf.c; preparing for future elftosb
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29733 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'utils/sbtools/sb.h')
-rw-r--r--utils/sbtools/sb.h118
1 files changed, 118 insertions, 0 deletions
diff --git a/utils/sbtools/sb.h b/utils/sbtools/sb.h
new file mode 100644
index 0000000000..29b7d7d894
--- /dev/null
+++ b/utils/sbtools/sb.h
@@ -0,0 +1,118 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Copyright (C) 2011 Amaury Pouly
+ *
+ * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#define _ISOC99_SOURCE /* snprintf() */
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#define BLOCK_SIZE 16
+
+struct sb_version_t
+{
+ uint16_t major;
+ uint16_t pad0;
+ uint16_t minor;
+ uint16_t pad1;
+ uint16_t revision;
+ uint16_t pad2;
+};
+
+struct sb_header_t
+{
+ uint8_t sha1_header[20]; /* SHA-1 of the rest of the header */
+ uint8_t signature[4]; /* Signature "STMP" */
+ uint8_t major_ver; /* Should be 1 */
+ uint8_t minor_ver; /* Should be 1 */
+ uint16_t flags;
+ uint32_t image_size; /* In blocks (=16bytes) */
+ uint32_t first_boot_tag_off; /* Offset in blocks */
+ uint32_t first_boot_sec_id; /* First bootable section ID */
+ uint16_t nr_keys; /* Number of encryption keys */
+ uint16_t key_dict_off; /* Offset to key dictionary (in blocks) */
+ uint16_t header_size; /* In blocks */
+ uint16_t nr_sections; /* Number of sections */
+ uint16_t sec_hdr_size; /* Section header size (in blocks) */
+ uint8_t rand_pad0[6]; /* Random padding */
+ uint64_t timestamp; /* In microseconds since 2000/1/1 00:00:00 */
+ struct sb_version_t product_ver;
+ struct sb_version_t component_ver;
+ uint16_t drive_tag; /* Unknown meaning */
+ uint8_t rand_pad1[6]; /* Random padding */
+} __attribute__((packed));
+
+struct sb_section_header_t
+{
+ uint32_t identifier;
+ uint32_t offset; /* In blocks */
+ uint32_t size; /* In blocks */
+ uint32_t flags;
+} __attribute__((packed));
+
+struct sb_key_dictionary_entry_t
+{
+ uint8_t hdr_cbc_mac[16]; /* CBC-MAC of the header */
+ uint8_t key[16]; /* Actual AES Key (encrypted by the global key) */
+} __attribute__((packed));
+
+#define IMAGE_MAJOR_VERSION 1
+#define IMAGE_MINOR_VERSION 1
+
+#define SECTION_BOOTABLE (1 << 0)
+#define SECTION_CLEARTEXT (1 << 1)
+
+#define SB_INST_NOP 0x0
+#define SB_INST_TAG 0x1
+#define SB_INST_LOAD 0x2
+#define SB_INST_FILL 0x3
+#define SB_INST_JUMP 0x4
+#define SB_INST_CALL 0x5
+#define SB_INST_MODE 0x6
+
+struct sb_instruction_header_t
+{
+ uint8_t checksum;
+ uint8_t opcode;
+ uint16_t zero_except_for_tag;
+} __attribute__((packed));
+
+struct sb_instruction_load_t
+{
+ struct sb_instruction_header_t hdr;
+ uint32_t addr;
+ uint32_t len;
+ uint32_t crc;
+} __attribute__((packed));
+
+struct sb_instruction_fill_t
+{
+ struct sb_instruction_header_t hdr;
+ uint32_t addr;
+ uint32_t len;
+ uint32_t pattern;
+} __attribute__((packed));
+
+struct sb_instruction_call_t
+{
+ struct sb_instruction_header_t hdr;
+ uint32_t addr;
+ uint32_t zero;
+ uint32_t arg;
+} __attribute__((packed));