ef7ad19d37
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21650 a1c6a512-1295-4272-9138-f99709370657
142 lines
4.6 KiB
C
142 lines
4.6 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id$
|
|
*
|
|
* mkamsboot.h - a tool for merging bootloader code into an Sansa V2
|
|
* (AMS) firmware file
|
|
*
|
|
* Copyright (C) 2008 Dave Chapman
|
|
*
|
|
* 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.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifndef MKAMSBOOT_H
|
|
#define MKAMSBOOT_H
|
|
|
|
#include <stdint.h>
|
|
#include <sys/types.h>
|
|
|
|
/* Supported models */
|
|
enum {
|
|
MODEL_UNKNOWN = -1,
|
|
MODEL_FUZE = 0,
|
|
MODEL_CLIP,
|
|
MODEL_CLIPV2,
|
|
MODEL_E200V2,
|
|
MODEL_M200V4,
|
|
MODEL_C200V2,
|
|
};
|
|
|
|
|
|
/* Holds info about the OF */
|
|
struct md5sums {
|
|
int model;
|
|
char *version;
|
|
char *md5;
|
|
};
|
|
|
|
/* load_rockbox_file()
|
|
*
|
|
* Loads a rockbox bootloader file into memory
|
|
*
|
|
* ARGUMENTS
|
|
*
|
|
* filename : bootloader file to load
|
|
* model : a 4 characters string representing the Sansa model
|
|
* ("fuze", "clip", "e2v2", "m2v4", or "c2v2")
|
|
* bootloader_size : set to the uncompressed bootloader size
|
|
* rb_packed_size : set to the size of compressed bootloader
|
|
* errstr : provided buffer to store an eventual error
|
|
* errstrsize : size of provided error buffer
|
|
*
|
|
* RETURN VALUE
|
|
* pointer to allocated memory containing the content of compressed bootloader
|
|
* or NULL in case of error (errstr will hold a description of the error)
|
|
*/
|
|
|
|
unsigned char* load_rockbox_file(
|
|
char* filename, int model, int* bootloader_size, int* rb_packedsize,
|
|
char* errstr, int errstrsize);
|
|
|
|
|
|
/* load_of_file()
|
|
*
|
|
* Loads a Sansa AMS Original Firmware file into memory
|
|
*
|
|
* ARGUMENTS
|
|
*
|
|
* filename : firmware file to load
|
|
* bufsize : set to firmware file size
|
|
* md5sum : set to file md5sum, must be at least 33 bytes long
|
|
* model : set to firmware model (MODEL_XXX)
|
|
* fw_version : set to firmware format version (1 or 2)
|
|
* firmware_size : set to firmware block's size
|
|
* of_packed : pointer to allocated memory containing the compressed
|
|
* original firmware block
|
|
* of_packedsize : size of compressed original firmware block
|
|
* errstr : provided buffer to store an eventual error
|
|
* errstrsize : size of provided error buffer
|
|
*
|
|
* RETURN VALUE
|
|
* pointer to allocated memory containing the content of Original Firmware
|
|
* or NULL in case of error (errstr will hold a description of the error)
|
|
*/
|
|
|
|
unsigned char* load_of_file(
|
|
char* filename, off_t* bufsize, struct md5sums *sum,
|
|
int* firmware_size, unsigned char** of_packed,
|
|
int* of_packedsize, char* errstr, int errstrsize);
|
|
|
|
|
|
/* patch_firmware()
|
|
*
|
|
* Patches a Sansa AMS Original Firmware file
|
|
*
|
|
* ARGUMENTS
|
|
*
|
|
* model : firmware model (MODEL_XXX)
|
|
* fw_version : firmware format version (1 or 2)
|
|
* firmware_size : size of uncompressed original firmware block
|
|
* buf : pointer to original firmware file
|
|
* len : size of original firmware file
|
|
* of_packed : pointer to compressed original firmware block
|
|
* of_packedsize : size of compressed original firmware block
|
|
* rb_packed : pointer to compressed rockbox bootloader
|
|
* rb_packed_size : size of compressed rockbox bootloader
|
|
*/
|
|
|
|
void patch_firmware(
|
|
int model, int fw_version, int firmware_size, unsigned char* buf,
|
|
int len, unsigned char* of_packed, int of_packedsize,
|
|
unsigned char* rb_packed, int rb_packedsize);
|
|
|
|
|
|
/* total_size()
|
|
*
|
|
* Calculates the size of the new firmware block
|
|
*
|
|
* ARGUMENTS
|
|
*
|
|
* model : firmware model (MODEL_XXX)
|
|
* rb_packed_size : size of compressed rockbox bootloader
|
|
* of_packedsize : size of compressed original firmware block
|
|
*
|
|
* RETURN VALUE
|
|
* Size of new firmware block
|
|
*/
|
|
|
|
int total_size(int model, int rb_packedsize, int of_packedsize);
|
|
|
|
#endif
|