rbutil/rbutilqt/base/bootloaderinstalltcc.cpp

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  *
   9  *   Copyright (C) 2009 by Tomer Shalev
  10  *   $Id$
  11  *
  12  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  * This file is a modified version of the AMS installer by Dominik Wenger
  19  *
  20  ****************************************************************************/
  21
  22 #include <QtCore>
  23 #include "bootloaderinstallbase.h"
  24 #include "bootloaderinstalltcc.h"
  25 #include "../mktccboot/mktccboot.h"
  26
  27 BootloaderInstallTcc::BootloaderInstallTcc(QObject *parent)
  28         : BootloaderInstallBase(parent)
  29 {
  30 }
  31
  32 QString BootloaderInstallTcc::ofHint()
  33 {
  34     return tr("Bootloader installation requires you to provide "
  35               "a firmware file of the original firmware (bin file). "
  36               "You need to download this file yourself due to legal "
  37               "reasons. Please refer to the "
  38               "<a href='http://www.rockbox.org/manual.shtml'>manual</a> and the "
  39               "<a href='http://www.rockbox.org/wiki/CowonD2Info'>CowonD2Info</a> "
  40               "wiki page on how to obtain the file.<br/>"
  41               "Press Ok to continue and browse your computer for the firmware "
  42               "file.");
  43 }
  44
  45 bool BootloaderInstallTcc::install(void)
  46 {
  47     if(m_offile.isEmpty())
  48         return false;
  49
  50     // Download firmware from server
  51     emit logItem(tr("Downloading bootloader file"), LOGINFO);
  52
  53     connect(this, SIGNAL(downloadDone()), this, SLOT(installStage2()));
  54     downloadBlStart(m_blurl);
  55
  56     return true;
  57 }
  58
  59 void BootloaderInstallTcc::installStage2(void)
  60 {
  61     unsigned char *of_buf, *boot_buf = NULL, *patched_buf = NULL;
  62     int n, of_size, boot_size, patched_size;
  63     char errstr[200];
  64     bool ret = false;
  65
  66     m_tempfile.open();
  67     QString bootfile = m_tempfile.fileName();
  68     m_tempfile.close();
  69
  70     /* Construct path for write out.
  71      * Combine path of m_blfile with filename from OF */
  72     QString outfilename = QFileInfo(m_blfile).absolutePath() + "/" +
  73         QFileInfo(m_offile).fileName();
  74
  75     /* Write out file */
  76     QFile out(outfilename);
  77
  78     /* Load original firmware file */
  79     of_buf = file_read(m_offile.toLocal8Bit().data(), &of_size);
  80     if (of_buf == NULL)
  81     {
  82         emit logItem(errstr, LOGERROR);
  83         emit logItem(tr("Could not load %1").arg(m_offile), LOGERROR);
  84         goto exit;
  85     }
  86
  87     /* A CRC test in order to reject non OF file */
  88     if (test_firmware_tcc(of_buf, of_size))
  89     {
  90         emit logItem(errstr, LOGERROR);
  91         emit logItem(tr("Unknown OF file used: %1").arg(m_offile), LOGERROR);
  92         goto exit;
  93     }
  94
  95     /* Load bootloader file */
  96     boot_buf = file_read(bootfile.toLocal8Bit().data(), &boot_size);
  97     if (boot_buf == NULL)
  98     {
  99         emit logItem(errstr, LOGERROR);
 100         emit logItem(tr("Could not load %1").arg(bootfile), LOGERROR);
 101         goto exit;
 102     }
 103
 104     /* Patch the firmware */
 105     emit logItem(tr("Patching Firmware..."), LOGINFO);
 106
 107     patched_buf = patch_firmware_tcc(of_buf, of_size, boot_buf, boot_size,
 108             &patched_size);
 109     if (patched_buf == NULL)
 110     {
 111         emit logItem(errstr, LOGERROR);
 112         emit logItem(tr("Could not patch firmware"), LOGERROR);
 113         goto exit;
 114     }
 115
 116     if(!out.open(QIODevice::WriteOnly | QIODevice::Truncate))
 117     {
 118         emit logItem(tr("Could not open %1 for writing").arg(m_blfile),
 119                 LOGERROR);
 120         goto exit;
 121     }
 122
 123     n = out.write((char*)patched_buf, patched_size);
 124     out.close();
 125     if (n != patched_size)
 126     {
 127         emit logItem(tr("Could not write firmware file"), LOGERROR);
 128         goto exit;
 129     }
 130
 131     /* End of install */
 132     emit logItem(tr("Success: modified firmware file created"), LOGINFO);
 133     logInstall(LogAdd);
 134
 135     ret = true;
 136
 137 exit:
 138     if (of_buf)
 139         free(of_buf);
 140
 141     if (boot_buf)
 142         free(boot_buf);
 143
 144     if (patched_buf)
 145         free(patched_buf);
 146
 147     emit done(ret);
 148 }
 149
 150 bool BootloaderInstallTcc::uninstall(void)
 151 {
 152     emit logItem("To uninstall, perform a normal upgrade with an unmodified original firmware", LOGINFO);
 153     logInstall(LogRemove);
 154     return false;
 155 }
 156
 157 BootloaderInstallBase::BootloaderType BootloaderInstallTcc::installed(void)
 158 {
 159     return BootloaderUnknown;
 160 }
 161
 162 BootloaderInstallBase::Capabilities BootloaderInstallTcc::capabilities(void)
 163 {
 164     return (Install | NeedsOf);
 165 }