rockbox/rbutil/rbutilqt/base/bootloaderinstallmi4.cpp

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
*
* Copyright (C) 2008 by Dominik Riebeling
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include <QtCore>
#include <QtDebug>
#include <QtDebug>
#include "bootloaderinstallmi4.h"
#include "utils.h"
#include "Logger.h"
BootloaderInstallMi4::BootloaderInstallMi4(QObject *parent)
: BootloaderInstallBase(parent)
{
}
bool BootloaderInstallMi4::install(void)
{
emit logItem(tr("Downloading bootloader"), LOGINFO);
LOG_INFO() << "installing bootloader";
downloadBlStart(m_blurl);
connect(this, &BootloaderInstallBase::downloadDone, this, &BootloaderInstallMi4::installStage2);
return true;
}
void BootloaderInstallMi4::installStage2(void)
{
emit logItem(tr("Installing Rockbox bootloader"), LOGINFO);
QCoreApplication::processEvents();
// move old bootloader out of the way
QString fwfile(Utils::resolvePathCase(m_blfile));
QFile oldbl(fwfile);
QString moved = QFileInfo(Utils::resolvePathCase(m_blfile)).absolutePath()
+ "/OF.mi4";
if(!QFileInfo::exists(moved)) {
LOG_INFO() << "renaming" << fwfile << "to" << moved;
oldbl.rename(moved);
}
else {
LOG_INFO() << "OF.mi4 already present, not renaming again.";
oldbl.remove();
}
// place new bootloader
m_tempfile.open();
LOG_INFO() << "renaming" << m_tempfile.fileName()
<< "to" << fwfile;
m_tempfile.close();
if(!Utils::resolvePathCase(fwfile).isEmpty()) {
emit logItem(tr("A firmware file is already present on player"), LOGERROR);
emit done(true);
return;
}
if(m_tempfile.copy(fwfile)) {
emit logItem(tr("Bootloader successful installed"), LOGOK);
}
else {
emit logItem(tr("Copying modified firmware file failed"), LOGERROR);
emit done(true);
return;
}
emit logItem(tr("Bootloader successful installed"), LOGOK);
logInstall(LogAdd);
emit done(false);
}
bool BootloaderInstallMi4::uninstall(void)
{
LOG_INFO() << "Uninstalling bootloader";
// check if it's actually a Rockbox bootloader
emit logItem(tr("Checking for Rockbox bootloader"), LOGINFO);
if(installed() != BootloaderRockbox) {
emit logItem(tr("No Rockbox bootloader found"), LOGERROR);
emit done(true);
return false;
}
// check if OF file present
emit logItem(tr("Checking for original firmware file"), LOGINFO);
QString original = QFileInfo(Utils::resolvePathCase(m_blfile)).absolutePath()
+ "/OF.mi4";
if(Utils::resolvePathCase(original).isEmpty()) {
emit logItem(tr("Error finding original firmware file"), LOGERROR);
emit done(true);
return false;
}
// finally remove RB bootloader
QString resolved = Utils::resolvePathCase(m_blfile);
QFile blfile(resolved);
blfile.remove();
QFile::rename(Utils::resolvePathCase(original), resolved);
emit logItem(tr("Rockbox bootloader successful removed"), LOGINFO);
logInstall(LogRemove);
emit logProgress(1, 1);
emit done(false);
return true;
}
//! check if a bootloader is installed and return its state.
BootloaderInstallBase::BootloaderType BootloaderInstallMi4::installed(void)
{
// for MI4 files we can check if we actually have a RB bootloader
// installed.
// RB bootloader has "RBBL" at 0x1f8 in the mi4 file.
// make sure to resolve case to prevent case issues
QString resolved;
resolved = Utils::resolvePathCase(m_blfile);
if(resolved.isEmpty()) {
LOG_INFO() << "installed: BootloaderNone";
return BootloaderNone;
}
QFile f(resolved);
f.open(QIODevice::ReadOnly);
f.seek(0x1f8);
char magic[4];
f.read(magic, 4);
f.close();
if(!memcmp(magic, "RBBL", 4)) {
LOG_INFO() << "installed: BootloaderRockbox";
return BootloaderRockbox;
}
else {
LOG_INFO() << "installed: BootloaderOther";
return BootloaderOther;
}
}
BootloaderInstallBase::Capabilities BootloaderInstallMi4::capabilities(void)
{
LOG_INFO() << "getting capabilities";
return Install | Uninstall | Backup | IsFile | CanCheckInstalled | CanCheckVersion;
}