rockbox/firmware/export/mi4-loader.h

71 lines
2.5 KiB
C
Raw Normal View History

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
*
* Copyright (C) 2006 by Barry Wardell
*
* Based on Rockbox iriver bootloader by Linus Nielsen Feltzing
* and the ipodlinux bootloader by Daniel Palffy and Bernard Leach
*
* 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.
*
****************************************************************************/
#include <stdint.h>
#define MI4_HEADER_SIZE 0x200
/* mi4 header structure */
struct mi4header_t {
unsigned char magic[4];
uint32_t version;
uint32_t length;
uint32_t crc32;
uint32_t enctype;
uint32_t mi4size;
uint32_t plaintext;
uint32_t dsa_key[10];
uint32_t pad[109];
unsigned char type[4];
unsigned char model[4];
};
struct tea_key {
const char * name;
uint32_t key[4];
};
#define NUM_KEYS (sizeof(tea_keytable)/sizeof(tea_keytable[0]))
int load_mi4(unsigned char* buf, const char* firmware, unsigned int buffer_size);
const char *mi4_strerror(int8_t errno);
#ifdef HAVE_MULTIBOOT /* defined by config.h */
/* Check in root of this <volume> for rockbox_main.<playername>
* if this file empty or there is a single slash '/'
* buf = '<volume#>/<rootdir>/<firmware(name)>\0'
* If instead '/<*DIRECTORY*>' is supplied
* addpath will be set to this DIRECTORY buf =
* '/<volume#>/addpath/<rootdir>/<firmware(name)>\0'
* On error returns Negative number or 0
* On success returns bytes from snprintf
* and generated path will be placed in buf
* note: if supplied buffer is too small return will be
* the number of bytes that would have been written
*/
/* TODO needs mapped back to debug_menu if root redirect ever becomes a reality */
int get_redirect_dir(char* buf, int buffer_size, int volume,
const char* rootdir, const char* firmware);
#endif