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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* vim:expandtab:autoindent:tabstop=4:shiftwidth=4:filetype=c:cindent:textwidth=0:
*
* Copyright (C) 2005 Dell Inc.
* by Michael Brown <Michael_E_Brown@dell.com>
* Licensed under the Open Software License version 2.1
*
* Alternatively, 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 program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*/
// compat header should always be first header if including system headers
#include "smbios/compat.h"
#include <string>
#include <iostream>
#include <memory>
#include <stdlib.h>
#include "smbios/IMemory.h"
#include "smbios/ISmbios.h"
#include "smbios/IToken.h"
#include "smbios/ICmosRW.h"
#include "smbios/SystemInfo.h"
#include "smbios/IObserver.h"
using namespace std;
// The purpose of this binary was as a temporary workaround to a BIOS bug
// in the development BIOSen. It is no longer used, but is here as an
// example of manipulating tokens.
// retval = 0; was 8G system, redir on, turned off
// retval = 1; was 8G system, redir off
// retval = 2; not 8G system
// retval = 3; checksum precheck failed
// retval = 4; error doing any of the above
class already_off : public exception {};
class not_8G : public exception {} ;
class checksum_fail : public exception {} ;
class error_getting_id : public exception {} ;
int
main (int argc, char **argv)
{
string fileName( "" );
if( argc > 1 )
fileName = argv[1];
string cmosFileName("");
if( argc > 2 )
cmosFileName = argv[2];
int retval = 0;
try
{
if( fileName != "" )
{
memory::MemoryFactory *memoryFactory = memory::MemoryFactory::getFactory();
memoryFactory->setParameter("memFile", fileName);
memoryFactory->setMode( memory::MemoryFactory::UnitTestMode );
}
cmos::CmosRWFactory *cmosFactory = cmos::CmosRWFactory::getFactory();
if( cmosFileName != "" )
{
cmosFactory->setParameter("cmosMapFile", cmosFileName);
cmosFactory->setMode( cmos::CmosRWFactory::UnitTestMode );
}
// First check that we are on a PE1850/2850/2800.
int id = SMBIOSGetDellSystemId();
if ( 0 == id )
throw error_getting_id();
if ( 0x16c == id )
goto good;
if ( 0x16d == id )
goto good;
if ( 0x16e == id )
goto good;
if ( 0x183 == id )
goto good;
throw not_8G();
good:
// We need to ensure that cmos checksums are correct before we go
// messing with things, or we could mess up the system.
cmos::ICmosRW *cmos =
cmos::CmosRWFactory::getFactory()->getSingleton();
observer::IObservable *o = dynamic_cast<observer::IObservable*>(cmos);
bool doUpdate = false;
// will throw an exception (InvalidChecksum) on failure.
if( o )
o->notify(&doUpdate);
smbios::TokenTableFactory *ttFactory = smbios::TokenTableFactory::getFactory() ;
smbios::ITokenTable *tokenTable = ttFactory->getSingleton();
// this is the token that de-activates redirection.
int console_redirection_disable_token = 0x401d;
if( (*tokenTable)[ console_redirection_disable_token ]->isActive() )
throw already_off();
(*tokenTable)[ console_redirection_disable_token ]->activate();
}
catch( const smbios::InvalidChecksum &e )
{
cerr << "Pre-check of CMOS checksum failed. System is in an unknown state"
<< endl
<< "The exact exception was: "
<< e.what();
throw checksum_fail();
}
catch( const already_off &e )
{
retval = 1;
}
catch( const not_8G &e )
{
retval = 2;
}
catch( const checksum_fail &e )
{
retval = 3;
}
catch ( ... )
{
retval = 4;
}
return retval;
}
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