diff options
Diffstat (limited to 'utils/sbtools/sb.h')
-rw-r--r-- | utils/sbtools/sb.h | 118 |
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 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2011 Amaury Pouly | ||
11 | * | ||
12 | * This program is free software; you can redistribute it and/or | ||
13 | * modify it under the terms of the GNU General Public License | ||
14 | * as published by the Free Software Foundation; either version 2 | ||
15 | * of the License, or (at your option) any later version. | ||
16 | * | ||
17 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
18 | * KIND, either express or implied. | ||
19 | * | ||
20 | ****************************************************************************/ | ||
21 | |||
22 | #define _ISOC99_SOURCE /* snprintf() */ | ||
23 | #include <sys/types.h> | ||
24 | #include <sys/stat.h> | ||
25 | |||
26 | #define BLOCK_SIZE 16 | ||
27 | |||
28 | struct sb_version_t | ||
29 | { | ||
30 | uint16_t major; | ||
31 | uint16_t pad0; | ||
32 | uint16_t minor; | ||
33 | uint16_t pad1; | ||
34 | uint16_t revision; | ||
35 | uint16_t pad2; | ||
36 | }; | ||
37 | |||
38 | struct sb_header_t | ||
39 | { | ||
40 | uint8_t sha1_header[20]; /* SHA-1 of the rest of the header */ | ||
41 | uint8_t signature[4]; /* Signature "STMP" */ | ||
42 | uint8_t major_ver; /* Should be 1 */ | ||
43 | uint8_t minor_ver; /* Should be 1 */ | ||
44 | uint16_t flags; | ||
45 | uint32_t image_size; /* In blocks (=16bytes) */ | ||
46 | uint32_t first_boot_tag_off; /* Offset in blocks */ | ||
47 | uint32_t first_boot_sec_id; /* First bootable section ID */ | ||
48 | uint16_t nr_keys; /* Number of encryption keys */ | ||
49 | uint16_t key_dict_off; /* Offset to key dictionary (in blocks) */ | ||
50 | uint16_t header_size; /* In blocks */ | ||
51 | uint16_t nr_sections; /* Number of sections */ | ||
52 | uint16_t sec_hdr_size; /* Section header size (in blocks) */ | ||
53 | uint8_t rand_pad0[6]; /* Random padding */ | ||
54 | uint64_t timestamp; /* In microseconds since 2000/1/1 00:00:00 */ | ||
55 | struct sb_version_t product_ver; | ||
56 | struct sb_version_t component_ver; | ||
57 | uint16_t drive_tag; /* Unknown meaning */ | ||
58 | uint8_t rand_pad1[6]; /* Random padding */ | ||
59 | } __attribute__((packed)); | ||
60 | |||
61 | struct sb_section_header_t | ||
62 | { | ||
63 | uint32_t identifier; | ||
64 | uint32_t offset; /* In blocks */ | ||
65 | uint32_t size; /* In blocks */ | ||
66 | uint32_t flags; | ||
67 | } __attribute__((packed)); | ||
68 | |||
69 | struct sb_key_dictionary_entry_t | ||
70 | { | ||
71 | uint8_t hdr_cbc_mac[16]; /* CBC-MAC of the header */ | ||
72 | uint8_t key[16]; /* Actual AES Key (encrypted by the global key) */ | ||
73 | } __attribute__((packed)); | ||
74 | |||
75 | #define IMAGE_MAJOR_VERSION 1 | ||
76 | #define IMAGE_MINOR_VERSION 1 | ||
77 | |||
78 | #define SECTION_BOOTABLE (1 << 0) | ||
79 | #define SECTION_CLEARTEXT (1 << 1) | ||
80 | |||
81 | #define SB_INST_NOP 0x0 | ||
82 | #define SB_INST_TAG 0x1 | ||
83 | #define SB_INST_LOAD 0x2 | ||
84 | #define SB_INST_FILL 0x3 | ||
85 | #define SB_INST_JUMP 0x4 | ||
86 | #define SB_INST_CALL 0x5 | ||
87 | #define SB_INST_MODE 0x6 | ||
88 | |||
89 | struct sb_instruction_header_t | ||
90 | { | ||
91 | uint8_t checksum; | ||
92 | uint8_t opcode; | ||
93 | uint16_t zero_except_for_tag; | ||
94 | } __attribute__((packed)); | ||
95 | |||
96 | struct sb_instruction_load_t | ||
97 | { | ||
98 | struct sb_instruction_header_t hdr; | ||
99 | uint32_t addr; | ||
100 | uint32_t len; | ||
101 | uint32_t crc; | ||
102 | } __attribute__((packed)); | ||
103 | |||
104 | struct sb_instruction_fill_t | ||
105 | { | ||
106 | struct sb_instruction_header_t hdr; | ||
107 | uint32_t addr; | ||
108 | uint32_t len; | ||
109 | uint32_t pattern; | ||
110 | } __attribute__((packed)); | ||
111 | |||
112 | struct sb_instruction_call_t | ||
113 | { | ||
114 | struct sb_instruction_header_t hdr; | ||
115 | uint32_t addr; | ||
116 | uint32_t zero; | ||
117 | uint32_t arg; | ||
118 | } __attribute__((packed)); | ||