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Diffstat (limited to 'tools/mr500.h')
| -rw-r--r-- | tools/mr500.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/tools/mr500.h b/tools/mr500.h new file mode 100644 index 0000000000..f9a651f923 --- /dev/null +++ b/tools/mr500.h | |||
| @@ -0,0 +1,56 @@ | |||
| 1 | /*************************************************************************** | ||
| 2 | * __________ __ ___. | ||
| 3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
| 4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
| 5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
| 6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
| 7 | * \/ \/ \/ \/ \/ | ||
| 8 | * | ||
| 9 | * Copyright (C) 2009 by Karl Kurbjun | ||
| 10 | * $Id$ | ||
| 11 | * | ||
| 12 | * All files in this archive are subject to the GNU General Public License. | ||
| 13 | * See the file COPYING in the source tree root for full license agreement. | ||
| 14 | * | ||
| 15 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
| 16 | * KIND, either express or implied. | ||
| 17 | * | ||
| 18 | ****************************************************************************/ | ||
| 19 | |||
| 20 | #include <stdlib.h> | ||
| 21 | extern int decrypt_array[]; | ||
| 22 | extern int encrypt_array[]; | ||
| 23 | |||
| 24 | /* Notes about the header: | ||
| 25 | * The magic_name should always be "OIMCFWUP" | ||
| 26 | * Header length is always 18 bytes | ||
| 27 | * The flags have the following mask: | ||
| 28 | * CHECK_CRC 0x01 : Tells the firmware whether or not to check CRC | ||
| 29 | * ENDIAN_MODE 0x02 : Tells the OF whether to re-order the bytes | ||
| 30 | * The rest are unknown | ||
| 31 | * The image length is in bytes and is always 0x007F0000 | ||
| 32 | */ | ||
| 33 | struct olympus_header { | ||
| 34 | int8_t magic_name[8]; | ||
| 35 | uint32_t unknown; | ||
| 36 | uint16_t header_length; | ||
| 37 | uint16_t flags; | ||
| 38 | uint32_t unknown_zeros; | ||
| 39 | uint32_t image_length; | ||
| 40 | } __attribute__((__packed__)); | ||
| 41 | |||
| 42 | /* Patch entries should be saved in little endian format */ | ||
| 43 | struct patch_single { | ||
| 44 | off_t offset; | ||
| 45 | uint32_t value; | ||
| 46 | }; | ||
| 47 | |||
| 48 | int mr500_patch_file(char *, struct patch_single *, int); | ||
| 49 | int mr500_save_header(char *, struct olympus_header *); | ||
| 50 | int mr500_read_header(char *, struct olympus_header *); | ||
| 51 | int mr500_save_crc(char *, off_t, uint32_t *); | ||
| 52 | int mr500_read_crc(char *, off_t, uint32_t *); | ||
| 53 | int mr500_calculate_crc(char *, off_t, unsigned int, uint32_t *); | ||
| 54 | int mr500_save_data(char *, char *, off_t, unsigned int, int*); | ||
| 55 | int mr500_init(void); | ||
| 56 | |||