47 lines
2.2 KiB
C
47 lines
2.2 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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*
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* Copyright (C) 2012 Marcin Bukat
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 1
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <stdint.h>
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#define RKLD_MAGIC 0x4c44524b
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#define RKW_HEADER_CRC 0x40000000
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#define RKW_IMAGE_CRC 0x20000000
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struct rkw_header_t {
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uint32_t magic_number; /* Magic number. 0x4C44524B */
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uint32_t header_size; /* Size of the header */
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uint32_t image_base; /* Base address of the firmware image */
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uint32_t load_address; /* Load address */
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uint32_t load_limit; /* End of the firmware image */
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uint32_t bss_start; /* This is the start of .bss section of the firmware I suppose */
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uint32_t reserved0; /* reserved - I've seen only zeros in this field so far */
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uint32_t reserved1; /* reserved - I've seen only zeros in this field so far */
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uint32_t entry_point; /* Entry point address */
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uint32_t load_options; /* 0x80000000 - setup flag (I don't know what it means
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* but is present in every RKW I saw),
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* 0x40000000 - check header crc,
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* 0x20000000 - check firmware crc
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*/
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uint32_t crc; /* crc32 of the header (excluding crc32 field itself) */
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};
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const char *rkw_strerror(int8_t errno);
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int load_rkw(unsigned char* buf, const char* filename, int buffer_size);
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