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Firmware tools for Samsung YP-R0/YP-R1 (and possibly others)

Browse source 
They have been rewritten for being completely free and
as fast as possible.
Successfully extracted, patched, repacked and flashed
original firmware (tested on device and it worked)

Change-Id: I74d47d13f2dc3a2832a0d6821d3c2182dfd4b33b
Reviewed-on: http://gerrit.rockbox.org/506
Reviewed-by: Thomas Martitz <kugel@rockbox.org>
Tested-by: Thomas Martitz <kugel@rockbox.org>
This commit is contained in:
Lorenzo Miori 2013-07-09 18:20:08 +02:00 • committed by Thomas Martitz
parent cb27d4066a
commit da8a6a90c3
11 changed files with 621 additions and 318 deletions
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94
utils/ypr0tools/common.c Normal file
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
*
* Copyright (C) 2013 Lorenzo Miori
*
* 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 <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
#include <getopt.h>
#include <stdint.h>
#include "common.h"
#include "../../tools/fwpatcher/md5.h"
uint8_t g_yp_key[] =
{
0xa3, 0x04, 0xb9, 0xcd, 0x34, 0x13, 0x4a, 0x19, 0x19, 0x31, 0xdf, 0xbb,
0x8f, 0x3d, 0x7f, 0x09, 0x42, 0x3c, 0x96, 0x33, 0x41, 0xa9, 0x95, 0xf1,
0xd0, 0xac, 0x16, 0x37, 0x57, 0x35, 0x28, 0xe7, 0x0b, 0xc2, 0x12, 0x09,
0x39, 0x42, 0xd2, 0x96, 0xf5, 0x00, 0xd2, 0x23, 0x37, 0x24, 0xe2, 0x8e,
0x50, 0x3c, 0x6e, 0x23, 0xeb, 0x68, 0xed, 0x31, 0xb7, 0xee, 0xc0, 0xc7,
0x09, 0xf8, 0x39, 0x9d, 0x51, 0xed, 0x17, 0x95, 0x64, 0x09, 0xe0, 0xf9,
0xf0, 0xef, 0x86, 0xc0, 0x04, 0x46, 0x89, 0x8a, 0x6e, 0x27, 0x69, 0xde,
0xc7, 0x31, 0x1e, 0xee, 0x3c, 0x3f, 0x17, 0x05, 0x44, 0xbb, 0xbb, 0x1d,
0x3d, 0x5d, 0x6e, 0xf2, 0x78, 0x15, 0xd6, 0x3c, 0xcc, 0x7d, 0x67, 0x1a,
0xb8, 0xd2, 0x79, 0x54, 0x97, 0xa2, 0x58, 0x58, 0xf7, 0x4e, 0x5e, 0x50,
0x42, 0x69, 0xdc, 0xe7, 0x3a, 0x87, 0x2e, 0x22
};
char* firmware_components[] = {"MBoot", "Linux", "RootFS", "Sysdata"};
char* firmware_filenames[] = {"MBoot.bin", "zImage", "cramfs-fsl.rom", "SYSDATA.bin"};
void cyclic_xor(void *data, int datasize, void *xor, int xorsize)
{
for(int i = 0; i < datasize; i++)
*(uint8_t *)(data + i) ^= *(uint8_t *)(xor + (i % xorsize));
}
size_t get_filesize(FILE* handle)
{
long size = 0;
long old_pos = ftell(handle);
fseek(handle, 0, SEEK_END);
size = ftell(handle);
fseek(handle, old_pos, SEEK_SET);
return size;
}
/* A very rough implementation... */
void join_path(char* destination, char* first, char* second)
{
memset(destination, 0, MAX_PATH);
if (first != NULL && strlen(first) > 0)
{
strcpy(destination, first);
if (destination[strlen(destination) - 1] != DIR_SEPARATOR)
{
int l = strlen(destination);
destination[l] = DIR_SEPARATOR;
destination[l + 1] = '\0';
}
}
strcat(destination, second);
}
void md5sum(char* md5sum_string, char* data, unsigned long size)
{
uint8_t md5_checksum[16];
md5_context c;
md5_starts(&c);
md5_update(&c, (unsigned char*)data, size);
md5_finish(&c, md5_checksum);
memset(md5sum_string, 0, MD5_DIGEST_LENGTH*2+1);
for (int i = 0; i < MD5_DIGEST_LENGTH; i++)
{
sprintf(md5sum_string, "%02x", md5_checksum[i]);
md5sum_string+=2;
}
}