2011-11-06 19:44:03 +00:00
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/***************************************************************************
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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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* $Id$
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*
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* Copyright (C) 2011 by Amaury Pouly
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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 2
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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 <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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2013-01-29 11:50:46 +00:00
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#include <string.h>
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#include <ctype.h>
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2011-11-06 19:44:03 +00:00
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#include "mkimxboot.h"
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#include "sb.h"
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#include "dualboot.h"
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#include "md5.h"
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2013-06-15 23:33:16 +00:00
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#include "elf.h"
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2011-11-06 19:44:03 +00:00
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2013-06-15 20:13:08 +00:00
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/* abstract structure to represent a Rockbox firmware. It can be a scrambled file
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* or an ELF file or whatever. */
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struct rb_fw_t
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{
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2013-06-15 23:33:16 +00:00
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int nr_insts;
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struct sb_inst_t *insts;
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int entry_idx;
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2013-06-15 20:13:08 +00:00
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};
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2012-05-19 11:55:33 +00:00
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struct imx_fw_variant_desc_t
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2011-11-06 19:44:03 +00:00
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{
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2012-05-19 11:55:33 +00:00
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/* Offset within file */
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size_t offset;
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/* Total size of the firmware */
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size_t size;
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2011-11-06 19:44:03 +00:00
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};
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struct imx_md5sum_t
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{
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2012-05-19 11:55:33 +00:00
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/* Device model */
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enum imx_model_t model;
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/* md5sum of the file */
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2011-11-06 19:44:03 +00:00
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char *md5sum;
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2013-01-15 19:10:01 +00:00
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/* Version string */
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const char *version;
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2012-05-19 11:55:33 +00:00
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/* Variant descriptions */
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struct imx_fw_variant_desc_t fw_variants[VARIANT_COUNT];
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2011-11-06 19:44:03 +00:00
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};
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struct imx_model_desc_t
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{
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/* Descriptive name of this model */
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const char *model_name;
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/* Dualboot code for this model */
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const unsigned char *dualboot;
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/* Size of dualboot functions for this model */
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int dualboot_size;
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/* Model name used in the Rockbox header in ".sansa" files - these match the
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-add parameter to the "scramble" tool */
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const char *rb_model_name;
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/* Model number used to initialise the checksum in the Rockbox header in
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".sansa" files - these are the same as MODEL_NUMBER in config-target.h */
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const int rb_model_num;
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/* Number of keys needed to decrypt/encrypt */
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int nr_keys;
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/* Array of keys */
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struct crypto_key_t *keys;
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/* Dualboot load address */
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uint32_t dualboot_addr;
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/* Bootloader load address */
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uint32_t bootloader_addr;
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};
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2012-05-19 11:55:33 +00:00
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static const char *imx_fw_variant[] =
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{
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[VARIANT_DEFAULT] = "default",
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[VARIANT_ZENXFI2_RECOVERY] = "ZEN X-Fi2 Recovery",
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[VARIANT_ZENXFI2_NAND] = "ZEN X-Fi2 NAND",
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[VARIANT_ZENXFI2_SD] = "ZEN X-Fi2 eMMC/SD",
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2013-01-26 18:37:12 +00:00
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[VARIANT_ZENXFISTYLE_RECOVERY] = "ZEN X-Fi Style Recovery",
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2013-06-18 13:02:01 +00:00
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[VARIANT_ZENSTYLE_RECOVERY] = "ZEN Style 100/300 Recovery",
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2012-05-19 11:55:33 +00:00
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};
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2011-11-06 19:44:03 +00:00
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static const struct imx_md5sum_t imx_sums[] =
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{
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2012-05-19 11:55:33 +00:00
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{
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/* Version 2.38.6 */
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2013-01-15 19:10:01 +00:00
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MODEL_FUZEPLUS, "c3e27620a877dc6b200b97dcb3e0ecc7", "2.38.6",
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2012-05-19 11:55:33 +00:00
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{ [VARIANT_DEFAULT] = { 0, 34652624 } }
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},
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{
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2013-01-28 21:02:19 +00:00
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/* Version 1.23.01 */
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MODEL_ZENXFI2, "e37e2c24abdff8e624d0a29f79157850", "1.23.01",
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{
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[VARIANT_ZENXFI2_RECOVERY] = { 602128, 684192},
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[VARIANT_ZENXFI2_NAND] = { 1286320, 42406608 },
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[VARIANT_ZENXFI2_SD] = { 43692928, 42304208 }
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}
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2012-05-19 11:55:33 +00:00
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},
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{
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/* Version 1.23.01e */
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2013-01-15 19:10:01 +00:00
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MODEL_ZENXFI2, "2beff2168212d332f13cfc36ca46989d", "1.23.01e",
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2013-01-26 18:37:05 +00:00
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{
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[VARIANT_ZENXFI2_RECOVERY] = { 0x93010, 684192},
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[VARIANT_ZENXFI2_NAND] = { 0x13a0b0, 42410704 },
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[VARIANT_ZENXFI2_SD] = { 0x29ac380, 42304208 }
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2012-05-19 11:55:33 +00:00
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}
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},
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2013-01-15 19:10:01 +00:00
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{
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/* Version 1.00.15e */
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MODEL_ZENXFI3, "658a24eeef5f7186ca731085d8822a87", "1.00.15e",
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{ [VARIANT_DEFAULT] = {0, 18110576} }
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},
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2012-05-19 11:55:33 +00:00
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{
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/* Version 1.00.22e */
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2013-01-15 19:10:01 +00:00
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MODEL_ZENXFI3, "a5114cd45ea4554ec221f51a71083862", "1.00.22e",
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2012-05-19 11:55:33 +00:00
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{ [VARIANT_DEFAULT] = {0, 18110576} }
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},
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2013-01-26 18:37:12 +00:00
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{
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/* Version 1.03.04e */
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MODEL_ZENXFISTYLE, "32a731b7f714e9f99a95991003759c98", "1.03.04",
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{
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[VARIANT_DEFAULT] = {842960, 29876944},
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[VARIANT_ZENXFISTYLE_RECOVERY] = {610272, 232688},
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}
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},
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{
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/* Version 1.03.04e */
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MODEL_ZENXFISTYLE, "2c7ee52d9984d85dd39aa49b3331e66c", "1.03.04e",
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{
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[VARIANT_DEFAULT] = {842960, 29876944},
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[VARIANT_ZENXFISTYLE_RECOVERY] = {610272, 232688},
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}
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},
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2013-06-18 13:02:01 +00:00
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{
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/* Version 1.03.04e */
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MODEL_ZENSTYLE, "dbebec8fe666412061d9740ff68605dd", "1.03.04e",
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{
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[VARIANT_DEFAULT] = {758848, 6641344},
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[VARIANT_ZENSTYLE_RECOVERY] = {610272, 148576},
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}
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},
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2011-11-06 19:44:03 +00:00
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};
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static struct crypto_key_t zero_key =
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{
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.method = CRYPTO_KEY,
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.u.key = {0}
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};
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static const struct imx_model_desc_t imx_models[] =
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{
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2012-05-19 11:55:33 +00:00
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[MODEL_FUZEPLUS] = { "Fuze+", dualboot_fuzeplus, sizeof(dualboot_fuzeplus), "fuz+", 72,
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2011-11-06 20:40:54 +00:00
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1, &zero_key, 0, 0x40000000 },
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2012-05-19 11:55:33 +00:00
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[MODEL_ZENXFI2] = {"Zen X-Fi2", dualboot_zenxfi2, sizeof(dualboot_zenxfi2), "zxf2", 82,
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1, &zero_key, 0, 0x40000000 },
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[MODEL_ZENXFI3] = {"Zen X-Fi3", dualboot_zenxfi3, sizeof(dualboot_zenxfi3), "zxf3", 83,
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1, &zero_key, 0, 0x40000000 },
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2013-01-26 18:37:12 +00:00
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[MODEL_ZENXFISTYLE] = {"Zen X-Fi Style", NULL, 0, "", -1,
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1, &zero_key, 0, 0x40000000 },
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2013-06-18 13:02:01 +00:00
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[MODEL_ZENSTYLE] = {"Zen Style 100/300", NULL, 0, "", -1,
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1, &zero_key, 0, 0x40000000 },
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2011-11-06 19:44:03 +00:00
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};
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#define NR_IMX_SUMS (sizeof(imx_sums) / sizeof(imx_sums[0]))
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#define NR_IMX_MODELS (sizeof(imx_models) / sizeof(imx_models[0]))
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#define MAGIC_ROCK 0x726f636b /* 'rock' */
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#define MAGIC_RECOVERY 0xfee1dead
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#define MAGIC_NORMAL 0xcafebabe
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2013-06-15 23:33:16 +00:00
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static int rb_fw_get_sb_inst_count(struct rb_fw_t *fw)
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{
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return fw->nr_insts;
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}
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/* fill sb instruction for the firmware, fill fill rb_fw_get_sb_inst_count() instructions */
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static void rb_fw_fill_sb(struct rb_fw_t *fw, struct sb_inst_t *inst,
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uint32_t entry_arg)
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{
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memcpy(inst, fw->insts, fw->nr_insts * sizeof(struct sb_inst_t));
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/* copy data if needed */
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for(int i = 0; i < fw->nr_insts; i++)
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if(fw->insts[i].inst == SB_INST_LOAD)
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fw->insts[i].data = memdup(fw->insts[i].data, fw->insts[i].size);
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/* replace call argument of the entry point */
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inst[fw->entry_idx].argument = entry_arg;
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}
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2011-11-06 19:44:03 +00:00
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static enum imx_error_t patch_std_zero_host_play(int jump_before, int model,
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2013-06-15 20:13:08 +00:00
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enum imx_output_type_t type, struct sb_file_t *sb_file, struct rb_fw_t boot_fw)
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2011-11-06 19:44:03 +00:00
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{
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/* We assume the file has three boot sections: ____, host, play and one
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* resource section rsrc.
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*
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* Dual Boot:
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* ----------
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* We patch the file by inserting the dualboot code before the <jump_before>th
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* call in the ____ section. We give it as argument the section name 'rock'
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* and add a section called 'rock' after rsrc which contains the bootloader.
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*
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* Single Boot & Recovery:
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* -----------------------
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* We patch the file by inserting the bootloader code after the <jump_before>th
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* call in the ____ section and get rid of everything else. In recovery mode,
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* we give 0xfee1dead as argument */
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/* Do not override real key and IV */
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sb_file->override_crypto_iv = false;
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sb_file->override_real_key = false;
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2013-06-15 23:33:16 +00:00
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/* used to manipulate entries */
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int nr_boot_inst = rb_fw_get_sb_inst_count(&boot_fw);
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2011-11-06 19:44:03 +00:00
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/* first locate the good instruction */
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struct sb_section_t *sec = &sb_file->sections[0];
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int jump_idx = 0;
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while(jump_idx < sec->nr_insts && jump_before > 0)
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if(sec->insts[jump_idx++].inst == SB_INST_CALL)
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jump_before--;
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if(jump_idx == sec->nr_insts)
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{
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printf("[ERR] Cannot locate call in section ____\n");
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return IMX_DONT_KNOW_HOW_TO_PATCH;
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}
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if(type == IMX_DUALBOOT)
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{
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/* create a new instruction array with a hole for two instructions */
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struct sb_inst_t *new_insts = xmalloc(sizeof(struct sb_inst_t) * (sec->nr_insts + 2));
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memcpy(new_insts, sec->insts, sizeof(struct sb_inst_t) * jump_idx);
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memcpy(new_insts + jump_idx + 2, sec->insts + jump_idx,
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sizeof(struct sb_inst_t) * (sec->nr_insts - jump_idx));
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/* first instruction is be a load */
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struct sb_inst_t *load = &new_insts[jump_idx];
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memset(load, 0, sizeof(struct sb_inst_t));
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load->inst = SB_INST_LOAD;
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load->size = imx_models[model].dualboot_size;
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load->addr = imx_models[model].dualboot_addr;
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/* duplicate memory because it will be free'd */
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load->data = memdup(imx_models[model].dualboot, imx_models[model].dualboot_size);
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/* second instruction is a call */
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struct sb_inst_t *call = &new_insts[jump_idx + 1];
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memset(call, 0, sizeof(struct sb_inst_t));
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call->inst = SB_INST_CALL;
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call->addr = imx_models[model].dualboot_addr;
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call->argument = MAGIC_ROCK;
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/* free old instruction array */
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free(sec->insts);
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sec->insts = new_insts;
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sec->nr_insts += 2;
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/* create a new section */
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struct sb_section_t rock_sec;
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memset(&rock_sec, 0, sizeof(rock_sec));
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2013-06-15 23:33:16 +00:00
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/* section can have any number of instructions */
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2011-11-06 19:44:03 +00:00
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rock_sec.identifier = MAGIC_ROCK;
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rock_sec.alignment = BLOCK_SIZE;
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2013-06-15 23:33:16 +00:00
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rock_sec.nr_insts = nr_boot_inst;
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rock_sec.insts = xmalloc(nr_boot_inst * sizeof(struct sb_inst_t));
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rb_fw_fill_sb(&boot_fw, rock_sec.insts, MAGIC_NORMAL);
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2011-11-06 19:44:03 +00:00
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sb_file->sections = augment_array(sb_file->sections,
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sizeof(struct sb_section_t), sb_file->nr_sections,
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&rock_sec, 1);
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sb_file->nr_sections++;
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return IMX_SUCCESS;
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}
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else if(type == IMX_SINGLEBOOT || type == IMX_RECOVERY)
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{
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bool recovery = type == IMX_RECOVERY;
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2013-06-15 23:33:16 +00:00
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/* remove everything after the call and add instructions for firmware */
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struct sb_inst_t *new_insts = xmalloc(sizeof(struct sb_inst_t) * (jump_idx + nr_boot_inst));
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2011-11-06 19:44:03 +00:00
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memcpy(new_insts, sec->insts, sizeof(struct sb_inst_t) * jump_idx);
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for(int i = jump_idx; i < sec->nr_insts; i++)
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sb_free_instruction(sec->insts[i]);
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2013-06-15 23:33:16 +00:00
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rb_fw_fill_sb(&boot_fw, &new_insts[jump_idx], recovery ? MAGIC_RECOVERY : MAGIC_NORMAL);
|
2013-06-15 20:13:08 +00:00
|
|
|
|
2011-11-06 19:44:03 +00:00
|
|
|
free(sec->insts);
|
|
|
|
sec->insts = new_insts;
|
2013-06-15 23:33:16 +00:00
|
|
|
sec->nr_insts = jump_idx + nr_boot_inst;
|
2011-11-06 19:44:03 +00:00
|
|
|
/* remove all other sections */
|
|
|
|
for(int i = 1; i < sb_file->nr_sections; i++)
|
|
|
|
sb_free_section(sb_file->sections[i]);
|
|
|
|
struct sb_section_t *new_sec = xmalloc(sizeof(struct sb_section_t));
|
|
|
|
memcpy(new_sec, &sb_file->sections[0], sizeof(struct sb_section_t));
|
|
|
|
free(sb_file->sections);
|
|
|
|
sb_file->sections = new_sec;
|
|
|
|
sb_file->nr_sections = 1;
|
|
|
|
|
|
|
|
return IMX_SUCCESS;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
printf("[ERR] Bad output type !\n");
|
|
|
|
return IMX_DONT_KNOW_HOW_TO_PATCH;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2013-01-29 11:50:46 +00:00
|
|
|
static enum imx_error_t parse_subversion(const char *s, const char *end, uint16_t *ver)
|
|
|
|
{
|
|
|
|
int len = (end == NULL) ? strlen(s) : end - s;
|
|
|
|
if(len > 4)
|
|
|
|
{
|
|
|
|
printf("[ERR] Bad subversion override '%s' (too long)\n", s);
|
|
|
|
return IMX_ERROR;
|
|
|
|
}
|
|
|
|
*ver = 0;
|
|
|
|
for(int i = 0; i < len; i++)
|
|
|
|
{
|
|
|
|
if(!isdigit(s[i]))
|
|
|
|
{
|
|
|
|
printf("[ERR] Bad subversion override '%s' (not a digit)\n", s);
|
|
|
|
return IMX_ERROR;
|
|
|
|
}
|
|
|
|
*ver = *ver << 4 | (s[i] - '0');
|
|
|
|
}
|
|
|
|
return IMX_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
static enum imx_error_t parse_version(const char *s, struct sb_version_t *ver)
|
|
|
|
{
|
|
|
|
const char *dot1 = strchr(s, '.');
|
|
|
|
if(dot1 == NULL)
|
|
|
|
{
|
|
|
|
printf("[ERR] Bad version override '%s' (missing dot)\n", s);
|
|
|
|
return IMX_ERROR;
|
|
|
|
}
|
|
|
|
const char *dot2 = strchr(dot1 + 1, '.');
|
|
|
|
if(dot2 == NULL)
|
|
|
|
{
|
|
|
|
printf("[ERR] Bad version override '%s' (missing second dot)\n", s);
|
|
|
|
return IMX_ERROR;
|
|
|
|
}
|
|
|
|
enum imx_error_t ret = parse_subversion(s, dot1, &ver->major);
|
|
|
|
if(ret != IMX_SUCCESS) return ret;
|
|
|
|
ret = parse_subversion(dot1 + 1, dot2, &ver->minor);
|
|
|
|
if(ret != IMX_SUCCESS) return ret;
|
|
|
|
ret = parse_subversion(dot2 + 1, NULL, &ver->revision);
|
|
|
|
if(ret != IMX_SUCCESS) return ret;
|
|
|
|
return IMX_SUCCESS;
|
|
|
|
}
|
|
|
|
|
2012-05-19 11:55:33 +00:00
|
|
|
static enum imx_error_t patch_firmware(enum imx_model_t model,
|
|
|
|
enum imx_firmware_variant_t variant, enum imx_output_type_t type,
|
2013-06-15 20:13:08 +00:00
|
|
|
struct sb_file_t *sb_file, struct rb_fw_t boot_fw,
|
2013-01-29 11:50:46 +00:00
|
|
|
const char *force_version)
|
2011-11-06 19:44:03 +00:00
|
|
|
{
|
2013-01-29 11:50:46 +00:00
|
|
|
if(force_version)
|
|
|
|
{
|
|
|
|
enum imx_error_t err = parse_version(force_version, &sb_file->product_ver);
|
|
|
|
if(err != IMX_SUCCESS) return err;
|
|
|
|
err = parse_version(force_version, &sb_file->component_ver);
|
|
|
|
if(err != IMX_SUCCESS) return err;
|
|
|
|
}
|
2011-11-06 19:44:03 +00:00
|
|
|
switch(model)
|
|
|
|
{
|
|
|
|
case MODEL_FUZEPLUS:
|
|
|
|
/* The Fuze+ uses the standard ____, host, play sections, patch after third
|
|
|
|
* call in ____ section */
|
2013-06-15 20:13:08 +00:00
|
|
|
return patch_std_zero_host_play(3, model, type, sb_file, boot_fw);
|
2012-05-19 11:55:33 +00:00
|
|
|
case MODEL_ZENXFI3:
|
|
|
|
/* The ZEN X-Fi3 uses the standard ____, hSst, pSay sections, patch after third
|
|
|
|
* call in ____ section. Although sections names use the S variant, they are standard. */
|
2013-06-15 20:13:08 +00:00
|
|
|
return patch_std_zero_host_play(3, model, type, sb_file, boot_fw);
|
2012-05-19 11:55:33 +00:00
|
|
|
case MODEL_ZENXFI2:
|
|
|
|
/* The ZEN X-Fi2 has two types of firmware: recovery and normal.
|
|
|
|
* Normal uses the standard ___, host, play sections and recovery only ____ */
|
|
|
|
switch(variant)
|
|
|
|
{
|
|
|
|
case VARIANT_ZENXFI2_RECOVERY:
|
|
|
|
case VARIANT_ZENXFI2_NAND:
|
|
|
|
case VARIANT_ZENXFI2_SD:
|
2013-06-15 20:13:08 +00:00
|
|
|
return patch_std_zero_host_play(1, model, type, sb_file, boot_fw);
|
2012-05-19 11:55:33 +00:00
|
|
|
default:
|
|
|
|
return IMX_DONT_KNOW_HOW_TO_PATCH;
|
|
|
|
}
|
|
|
|
break;
|
2011-11-06 19:44:03 +00:00
|
|
|
default:
|
|
|
|
return IMX_DONT_KNOW_HOW_TO_PATCH;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void imx_printf(void *user, bool error, color_t c, const char *fmt, ...)
|
|
|
|
{
|
|
|
|
(void) user;
|
|
|
|
(void) c;
|
|
|
|
va_list args;
|
|
|
|
va_start(args, fmt);
|
|
|
|
/*
|
|
|
|
if(error)
|
|
|
|
printf("[ERR] ");
|
|
|
|
else
|
|
|
|
printf("[INFO] ");
|
|
|
|
*/
|
|
|
|
vprintf(fmt, args);
|
|
|
|
va_end(args);
|
|
|
|
}
|
|
|
|
|
|
|
|
static uint32_t get_uint32be(unsigned char *p)
|
|
|
|
{
|
|
|
|
return (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
|
|
|
|
}
|
|
|
|
|
2012-05-19 11:55:33 +00:00
|
|
|
void dump_imx_dev_info(const char *prefix)
|
|
|
|
{
|
|
|
|
printf("%smkimxboot models:\n", prefix);
|
|
|
|
for(int i = 0; i < NR_IMX_MODELS; i++)
|
|
|
|
{
|
|
|
|
printf("%s %s: idx=%d rb_model=%s rb_num=%d\n", prefix,
|
|
|
|
imx_models[i].model_name, i, imx_models[i].rb_model_name,
|
|
|
|
imx_models[i].rb_model_num);
|
|
|
|
}
|
|
|
|
printf("%smkimxboot variants:\n", prefix);
|
|
|
|
for(int i = 0; i < VARIANT_COUNT; i++)
|
|
|
|
{
|
|
|
|
printf("%s %d: %s\n", prefix, i, imx_fw_variant[i]);
|
|
|
|
}
|
|
|
|
printf("%smkimxboot mapping:\n", prefix);
|
|
|
|
for(int i = 0; i < NR_IMX_SUMS; i++)
|
|
|
|
{
|
2013-01-15 19:10:01 +00:00
|
|
|
printf("%s md5sum=%s -> idx=%d, ver=%s\n", prefix, imx_sums[i].md5sum,
|
|
|
|
imx_sums[i].model, imx_sums[i].version);
|
2012-05-19 11:55:33 +00:00
|
|
|
for(int j = 0; j < VARIANT_COUNT; j++)
|
|
|
|
if(imx_sums[i].fw_variants[j].size)
|
|
|
|
printf("%s variant=%d -> offset=%#x size=%#x\n", prefix,
|
|
|
|
j, (unsigned)imx_sums[i].fw_variants[j].offset,
|
|
|
|
(unsigned)imx_sums[i].fw_variants[j].size);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2013-06-15 20:13:08 +00:00
|
|
|
/* find an entry into imx_sums which matches the MD5 sum of a file */
|
|
|
|
static enum imx_error_t find_model_by_md5sum(uint8_t file_md5sum[16], int *md5_idx)
|
2011-11-06 19:44:03 +00:00
|
|
|
{
|
2013-06-15 20:13:08 +00:00
|
|
|
int i = 0;
|
|
|
|
while(i < NR_IMX_SUMS)
|
2011-11-06 19:44:03 +00:00
|
|
|
{
|
2013-06-15 20:13:08 +00:00
|
|
|
uint8_t md5[20];
|
|
|
|
if(strlen(imx_sums[i].md5sum) != 32)
|
2011-11-06 19:44:03 +00:00
|
|
|
{
|
2013-06-15 20:13:08 +00:00
|
|
|
printf("[INFO] Invalid MD5 sum in imx_sums\n");
|
|
|
|
return IMX_ERROR;
|
2011-11-06 19:44:03 +00:00
|
|
|
}
|
2013-06-15 20:13:08 +00:00
|
|
|
for(int j = 0; j < 16; j++)
|
2011-11-06 19:44:03 +00:00
|
|
|
{
|
2013-06-15 20:13:08 +00:00
|
|
|
byte a, b;
|
|
|
|
if(convxdigit(imx_sums[i].md5sum[2 * j], &a) || convxdigit(imx_sums[i].md5sum[2 * j + 1], &b))
|
|
|
|
{
|
|
|
|
printf("[ERR][INTERNAL] Bad checksum format: %s\n", imx_sums[i].md5sum);
|
|
|
|
return IMX_ERROR;
|
|
|
|
}
|
|
|
|
md5[j] = (a << 4) | b;
|
2011-11-06 19:44:03 +00:00
|
|
|
}
|
2013-06-15 20:13:08 +00:00
|
|
|
if(memcmp(file_md5sum, md5, 16) == 0)
|
|
|
|
break;
|
|
|
|
i++;
|
|
|
|
}
|
|
|
|
if(i == NR_IMX_SUMS)
|
|
|
|
{
|
|
|
|
printf("[ERR] MD5 sum doesn't match any known file\n");
|
|
|
|
return IMX_NO_MATCH;
|
|
|
|
}
|
|
|
|
*md5_idx = i;
|
|
|
|
return IMX_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* read a file to a buffer */
|
|
|
|
static enum imx_error_t read_file(const char *file, void **buffer, size_t *size)
|
|
|
|
{
|
|
|
|
FILE *f = fopen(file, "rb");
|
|
|
|
if(f == NULL)
|
|
|
|
{
|
|
|
|
printf("[ERR] Cannot open file '%s' for reading: %m\n", file);
|
|
|
|
return IMX_OPEN_ERROR;
|
|
|
|
}
|
|
|
|
fseek(f, 0, SEEK_END);
|
|
|
|
*size = ftell(f);
|
|
|
|
fseek(f, 0, SEEK_SET);
|
|
|
|
*buffer = xmalloc(*size);
|
|
|
|
if(fread(*buffer, *size, 1, f) != 1)
|
|
|
|
{
|
|
|
|
free(*buffer);
|
|
|
|
fclose(f);
|
|
|
|
printf("[ERR] Cannot read file '%s': %m\n", file);
|
|
|
|
return IMX_READ_ERROR;
|
|
|
|
}
|
|
|
|
fclose(f);
|
|
|
|
return IMX_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* write a file from a buffer */
|
|
|
|
static enum imx_error_t write_file(const char *file, void *buffer, size_t size)
|
|
|
|
{
|
|
|
|
FILE *f = fopen(file, "wb");
|
|
|
|
if(f == NULL)
|
|
|
|
{
|
|
|
|
printf("[ERR] Cannot open file '%s' for writing: %m\n", file);
|
|
|
|
return IMX_OPEN_ERROR;
|
|
|
|
}
|
|
|
|
if(fwrite(buffer, size, 1, f) != 1)
|
|
|
|
{
|
|
|
|
fclose(f);
|
|
|
|
printf("[ERR] Cannot write file '%s': %m\n", file);
|
|
|
|
return IMX_WRITE_ERROR;
|
|
|
|
}
|
|
|
|
fclose(f);
|
|
|
|
return IMX_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* compute MD5 sum of a buffer */
|
|
|
|
static enum imx_error_t compute_md5sum_buf(void *buf, size_t sz, uint8_t file_md5sum[16])
|
|
|
|
{
|
|
|
|
md5_context ctx;
|
|
|
|
md5_starts(&ctx);
|
|
|
|
md5_update(&ctx, buf, sz);
|
|
|
|
md5_finish(&ctx, file_md5sum);
|
|
|
|
return IMX_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* compute MD5 of a file */
|
|
|
|
static enum imx_error_t compute_md5sum(const char *file, uint8_t file_md5sum[16])
|
|
|
|
{
|
|
|
|
FILE *f = fopen(file, "rb");
|
|
|
|
if(f == NULL)
|
|
|
|
{
|
|
|
|
printf("[ERR] Cannot open input file\n");
|
|
|
|
return IMX_OPEN_ERROR;
|
|
|
|
}
|
|
|
|
fseek(f, 0, SEEK_END);
|
|
|
|
size_t sz = ftell(f);
|
|
|
|
fseek(f, 0, SEEK_SET);
|
|
|
|
void *buf = xmalloc(sz);
|
|
|
|
if(fread(buf, sz, 1, f) != 1)
|
|
|
|
{
|
2011-11-06 19:44:03 +00:00
|
|
|
fclose(f);
|
|
|
|
free(buf);
|
2013-06-15 20:13:08 +00:00
|
|
|
printf("[ERR] Cannot read file\n");
|
|
|
|
return IMX_READ_ERROR;
|
|
|
|
}
|
|
|
|
fclose(f);
|
|
|
|
compute_md5sum_buf(buf, sz, file_md5sum);
|
|
|
|
free(buf);
|
|
|
|
return IMX_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
static enum imx_error_t load_sb_file(const char *file, int md5_idx,
|
|
|
|
struct imx_option_t opt, struct sb_file_t **sb_file)
|
|
|
|
{
|
|
|
|
if(imx_sums[md5_idx].fw_variants[opt.fw_variant].size == 0)
|
|
|
|
{
|
|
|
|
printf("[ERR] Input file does not contain variant '%s'\n", imx_fw_variant[opt.fw_variant]);
|
|
|
|
return IMX_VARIANT_MISMATCH;
|
|
|
|
}
|
|
|
|
enum imx_model_t model = imx_sums[md5_idx].model;
|
|
|
|
enum sb_error_t err;
|
|
|
|
g_debug = opt.debug;
|
|
|
|
clear_keys();
|
|
|
|
add_keys(imx_models[model].keys, imx_models[model].nr_keys);
|
|
|
|
*sb_file = sb_read_file_ex(file, imx_sums[md5_idx].fw_variants[opt.fw_variant].offset,
|
|
|
|
imx_sums[md5_idx].fw_variants[opt.fw_variant].size, false, NULL, &imx_printf, &err);
|
|
|
|
if(*sb_file == NULL)
|
|
|
|
{
|
|
|
|
clear_keys();
|
|
|
|
return IMX_FIRST_SB_ERROR + err;
|
|
|
|
}
|
|
|
|
return IMX_SUCCESS;
|
|
|
|
}
|
|
|
|
|
2013-06-15 23:33:16 +00:00
|
|
|
/* Load a rockbox firwmare from a buffer. Data is copied. Assume firmware is
|
|
|
|
* using our scramble format. */
|
|
|
|
static enum imx_error_t rb_fw_load_buf_scramble(struct rb_fw_t *fw, uint8_t *buf,
|
|
|
|
size_t sz, enum imx_model_t model)
|
2013-06-15 20:13:08 +00:00
|
|
|
{
|
|
|
|
if(sz < 8)
|
|
|
|
{
|
|
|
|
printf("[ERR] Bootloader file is too small to be valid\n");
|
|
|
|
return IMX_BOOT_INVALID;
|
|
|
|
}
|
|
|
|
/* check model name */
|
|
|
|
uint8_t *name = buf + 4;
|
|
|
|
if(memcmp(name, imx_models[model].rb_model_name, 4) != 0)
|
|
|
|
{
|
|
|
|
printf("[ERR] Bootloader model doesn't match found model for input file\n");
|
|
|
|
return IMX_BOOT_MISMATCH;
|
|
|
|
}
|
|
|
|
/* check checksum */
|
|
|
|
uint32_t sum = imx_models[model].rb_model_num;
|
|
|
|
for(int i = 8; i < sz; i++)
|
|
|
|
sum += buf[i];
|
|
|
|
if(sum != get_uint32be(buf))
|
|
|
|
{
|
|
|
|
printf("[ERR] Bootloader checksum mismatch\n");
|
|
|
|
return IMX_BOOT_CHECKSUM_ERROR;
|
|
|
|
}
|
2013-06-15 23:33:16 +00:00
|
|
|
/* two instructions: load and jump */
|
|
|
|
fw->nr_insts = 2;
|
|
|
|
fw->entry_idx = 1;
|
|
|
|
fw->insts = xmalloc(fw->nr_insts * sizeof(struct sb_inst_t));
|
|
|
|
memset(fw->insts, 0, fw->nr_insts * sizeof(struct sb_inst_t));
|
|
|
|
fw->insts[0].inst = SB_INST_LOAD;
|
|
|
|
fw->insts[0].addr = imx_models[model].bootloader_addr;
|
|
|
|
fw->insts[0].size = sz - 8;
|
|
|
|
fw->insts[0].data = memdup(buf + 8, sz - 8);
|
|
|
|
fw->insts[1].inst = SB_INST_JUMP;
|
|
|
|
fw->insts[1].addr = imx_models[model].bootloader_addr;
|
|
|
|
return IMX_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
struct elf_user_t
|
|
|
|
{
|
|
|
|
void *buf;
|
|
|
|
size_t sz;
|
|
|
|
};
|
|
|
|
|
|
|
|
static bool elf_read(void *user, uint32_t addr, void *buf, size_t count)
|
|
|
|
{
|
|
|
|
struct elf_user_t *u = user;
|
|
|
|
if(addr + count <= u->sz)
|
|
|
|
{
|
|
|
|
memcpy(buf, u->buf + addr, count);
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void elf_printf(void *user, bool error, const char *fmt, ...)
|
|
|
|
{
|
|
|
|
if(!g_debug && !error)
|
|
|
|
return;
|
|
|
|
(void) user;
|
|
|
|
va_list args;
|
|
|
|
va_start(args, fmt);
|
|
|
|
vprintf(fmt, args);
|
|
|
|
va_end(args);
|
|
|
|
}
|
|
|
|
/* Load a rockbox firwmare from a buffer. Data is copied. Assume firmware is
|
|
|
|
* using ELF format. */
|
|
|
|
static enum imx_error_t rb_fw_load_buf_elf(struct rb_fw_t *fw, uint8_t *buf,
|
|
|
|
size_t sz, enum imx_model_t model)
|
|
|
|
{
|
|
|
|
struct elf_params_t elf;
|
|
|
|
struct elf_user_t user;
|
|
|
|
user.buf = buf;
|
|
|
|
user.sz = sz;
|
|
|
|
elf_init(&elf);
|
|
|
|
if(!elf_read_file(&elf, &elf_read, &elf_printf, &user))
|
|
|
|
{
|
|
|
|
elf_release(&elf);
|
|
|
|
printf("[ERR] Error parsing ELF file\n");
|
|
|
|
return IMX_BOOT_INVALID;
|
|
|
|
}
|
|
|
|
elf_translate_addresses(&elf);
|
|
|
|
fw->nr_insts = elf_get_nr_sections(&elf) + 1;
|
|
|
|
fw->insts = xmalloc(fw->nr_insts * sizeof(struct sb_inst_t));
|
|
|
|
fw->entry_idx = fw->nr_insts - 1;
|
|
|
|
memset(fw->insts, 0, fw->nr_insts * sizeof(struct sb_inst_t));
|
|
|
|
struct elf_section_t *sec = elf.first_section;
|
|
|
|
for(int i = 0; sec; i++, sec = sec->next)
|
|
|
|
{
|
|
|
|
fw->insts[i].addr = sec->addr;
|
|
|
|
fw->insts[i].size = sec->size;
|
|
|
|
if(sec->type == EST_LOAD)
|
|
|
|
{
|
|
|
|
fw->insts[i].inst = SB_INST_LOAD;
|
|
|
|
fw->insts[i].data = memdup(sec->section, sec->size);
|
|
|
|
}
|
|
|
|
else if(sec->type == EST_FILL)
|
|
|
|
{
|
|
|
|
fw->insts[i].inst = SB_INST_FILL;
|
|
|
|
fw->insts[i].pattern = sec->pattern;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
printf("[WARN] Warning parsing ELF file: unsupported section type mapped to NOP!\n");
|
|
|
|
fw->insts[i].inst = SB_INST_NOP;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
fw->insts[fw->nr_insts - 1].inst = SB_INST_JUMP;
|
|
|
|
if(!elf_get_start_addr(&elf, &fw->insts[fw->nr_insts - 1].addr))
|
|
|
|
{
|
|
|
|
elf_release(&elf);
|
|
|
|
printf("[ERROR] Error parsing ELF file: it has no entry point!\n");
|
|
|
|
return IMX_BOOT_INVALID;
|
|
|
|
}
|
|
|
|
elf_release(&elf);
|
2013-06-15 20:13:08 +00:00
|
|
|
return IMX_SUCCESS;
|
|
|
|
}
|
|
|
|
|
2013-06-15 23:33:16 +00:00
|
|
|
/* Load a rockbox firwmare from a buffer. Data is copied. */
|
|
|
|
static enum imx_error_t rb_fw_load_buf(struct rb_fw_t *fw, uint8_t *buf,
|
|
|
|
size_t sz, enum imx_model_t model)
|
|
|
|
{
|
|
|
|
/* detect file format */
|
|
|
|
if(sz >= 4 && buf[0] == 0x7f && memcmp(buf + 1, "ELF", 3) == 0)
|
|
|
|
return rb_fw_load_buf_elf(fw, buf, sz, model);
|
|
|
|
else
|
|
|
|
return rb_fw_load_buf_scramble(fw, buf, sz, model);
|
|
|
|
}
|
|
|
|
|
2013-06-15 20:13:08 +00:00
|
|
|
/* load a rockbox firmware from a file. */
|
|
|
|
static enum imx_error_t rb_fw_load(struct rb_fw_t *fw, const char *file,
|
|
|
|
enum imx_model_t model)
|
|
|
|
{
|
|
|
|
void *buf;
|
|
|
|
size_t sz;
|
|
|
|
int ret = read_file(file, &buf, &sz);
|
|
|
|
if(ret == IMX_SUCCESS)
|
|
|
|
{
|
|
|
|
ret = rb_fw_load_buf(fw, buf, sz, model);
|
|
|
|
free(buf);
|
|
|
|
}
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* free rockbox firmware */
|
|
|
|
static void rb_fw_free(struct rb_fw_t *fw)
|
|
|
|
{
|
2013-06-15 23:33:16 +00:00
|
|
|
for(int i = 0; i < fw->nr_insts; i++)
|
|
|
|
sb_free_instruction(fw->insts[i]);
|
|
|
|
free(fw->insts);
|
|
|
|
memset(fw, 0, sizeof(struct rb_fw_t));
|
2013-06-15 20:13:08 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
enum imx_error_t mkimxboot(const char *infile, const char *bootfile,
|
|
|
|
const char *outfile, struct imx_option_t opt)
|
|
|
|
{
|
|
|
|
/* sanity check */
|
|
|
|
if(opt.fw_variant > VARIANT_COUNT)
|
|
|
|
return IMX_ERROR;
|
|
|
|
/* Dump tables */
|
|
|
|
dump_imx_dev_info("[INFO] ");
|
|
|
|
/* compute MD5 sum of the file */
|
|
|
|
uint8_t file_md5sum[16];
|
|
|
|
enum imx_error_t ret = compute_md5sum(infile, file_md5sum);
|
|
|
|
if(ret != IMX_SUCCESS)
|
|
|
|
return ret;
|
2011-11-06 19:44:03 +00:00
|
|
|
printf("[INFO] MD5 sum of the file: ");
|
|
|
|
print_hex(file_md5sum, 16, true);
|
|
|
|
/* find model */
|
2012-05-19 11:55:33 +00:00
|
|
|
int md5_idx;
|
2013-06-15 20:13:08 +00:00
|
|
|
ret = find_model_by_md5sum(file_md5sum, &md5_idx);
|
|
|
|
if(ret != IMX_SUCCESS)
|
|
|
|
return ret;
|
|
|
|
enum imx_model_t model = imx_sums[md5_idx].model;
|
2013-01-15 19:10:01 +00:00
|
|
|
printf("[INFO] File is for model %d (%s, version %s)\n", model,
|
|
|
|
imx_models[model].model_name, imx_sums[md5_idx].version);
|
2011-11-06 19:44:03 +00:00
|
|
|
/* load rockbox file */
|
2013-06-15 20:13:08 +00:00
|
|
|
struct rb_fw_t boot_fw;
|
|
|
|
ret = rb_fw_load(&boot_fw, bootfile, model);
|
|
|
|
if(ret != IMX_SUCCESS)
|
|
|
|
return ret;
|
2011-11-06 19:44:03 +00:00
|
|
|
/* load OF file */
|
|
|
|
struct sb_file_t *sb_file;
|
2013-06-15 20:13:08 +00:00
|
|
|
ret = load_sb_file(infile, md5_idx, opt, &sb_file);
|
|
|
|
if(ret != IMX_SUCCESS)
|
2011-11-06 19:44:03 +00:00
|
|
|
{
|
2013-06-15 20:13:08 +00:00
|
|
|
rb_fw_free(&boot_fw);
|
|
|
|
return ret;
|
|
|
|
}
|
2011-11-06 19:44:03 +00:00
|
|
|
/* produce file */
|
2013-06-15 20:13:08 +00:00
|
|
|
ret = patch_firmware(model, opt.fw_variant, opt.output,
|
|
|
|
sb_file, boot_fw, opt.force_version);
|
2011-11-06 19:44:03 +00:00
|
|
|
if(ret == IMX_SUCCESS)
|
|
|
|
ret = sb_write_file(sb_file, outfile);
|
|
|
|
|
|
|
|
clear_keys();
|
2013-06-15 20:13:08 +00:00
|
|
|
rb_fw_free(&boot_fw);
|
2011-11-06 19:44:03 +00:00
|
|
|
sb_free(sb_file);
|
|
|
|
return ret;
|
|
|
|
}
|
2013-01-26 18:24:06 +00:00
|
|
|
|
|
|
|
enum imx_error_t extract_firmware(const char *infile,
|
|
|
|
enum imx_firmware_variant_t fw_variant, const char *outfile)
|
|
|
|
{
|
2013-06-15 20:13:08 +00:00
|
|
|
/* sanity check */
|
|
|
|
if(fw_variant > VARIANT_COUNT)
|
2013-01-26 18:24:06 +00:00
|
|
|
return IMX_ERROR;
|
2013-06-15 20:13:08 +00:00
|
|
|
/* dump tables */
|
2013-01-26 18:24:06 +00:00
|
|
|
dump_imx_dev_info("[INFO] ");
|
|
|
|
/* compute MD5 sum of the file */
|
2013-06-15 20:13:08 +00:00
|
|
|
void *buf;
|
|
|
|
size_t sz;
|
2013-01-26 18:24:06 +00:00
|
|
|
uint8_t file_md5sum[16];
|
2013-06-15 20:13:08 +00:00
|
|
|
int ret = read_file(infile, &buf, &sz);
|
|
|
|
if(ret != IMX_SUCCESS)
|
|
|
|
return ret;
|
|
|
|
ret = compute_md5sum_buf(buf, sz, file_md5sum);
|
|
|
|
if(ret != IMX_SUCCESS)
|
2013-01-26 18:24:06 +00:00
|
|
|
{
|
|
|
|
free(buf);
|
2013-06-15 20:13:08 +00:00
|
|
|
return ret;
|
2013-01-26 18:24:06 +00:00
|
|
|
}
|
|
|
|
printf("[INFO] MD5 sum of the file: ");
|
|
|
|
print_hex(file_md5sum, 16, true);
|
|
|
|
/* find model */
|
|
|
|
int md5_idx;
|
2013-06-15 20:13:08 +00:00
|
|
|
ret = find_model_by_md5sum(file_md5sum, &md5_idx);
|
|
|
|
if(ret != IMX_SUCCESS)
|
2013-01-26 18:24:06 +00:00
|
|
|
{
|
2013-06-15 20:13:08 +00:00
|
|
|
free(buf);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
enum imx_model_t model = imx_sums[md5_idx].model;
|
2013-01-26 18:24:06 +00:00
|
|
|
printf("[INFO] File is for model %d (%s, version %s)\n", model,
|
|
|
|
imx_models[model].model_name, imx_sums[md5_idx].version);
|
2013-06-15 20:13:08 +00:00
|
|
|
/* extract firmware */
|
2013-01-26 18:24:06 +00:00
|
|
|
if(imx_sums[md5_idx].fw_variants[fw_variant].size == 0)
|
|
|
|
{
|
|
|
|
printf("[ERR] Input file does not contain variant '%s'\n", imx_fw_variant[fw_variant]);
|
|
|
|
free(buf);
|
|
|
|
return IMX_VARIANT_MISMATCH;
|
|
|
|
}
|
|
|
|
|
2013-06-15 20:13:08 +00:00
|
|
|
ret = write_file(outfile,
|
|
|
|
buf + imx_sums[md5_idx].fw_variants[fw_variant].offset,
|
|
|
|
imx_sums[md5_idx].fw_variants[fw_variant].size);
|
2013-01-26 18:24:06 +00:00
|
|
|
free(buf);
|
|
|
|
return ret;
|
|
|
|
}
|