1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185
|
/* -*- 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.
*/
#define LIBSMBIOS_SOURCE
#include "smbios/compat.h"
#include <string.h>
#include "SmbiosWorkaroundImpl.h"
#include "smbios/SmbiosDefs.h"
#include "SmbiosImpl.h"
#include "StdWorkarounds.h"
// message.h should be included last.
#include "smbios/message.h"
using namespace std;
// convenience function.
#define _X( expr ) do{ try { expr } catch( const std::exception & ){} }while(0)
namespace smbios
{
SmbiosWorkaroundTable *SmbiosWorkaroundFactory::_tableInstance = 0;
factory::TFactory<smbios::SmbiosWorkaroundFactory> *SmbiosWorkaroundFactory::getFactory()
{
// reinterpret_cast<...>(0) to ensure template parameter is correct
// this is a workaround for VC6 which cannot use explicit member template
// function initialization.
return factory::TFactory<SmbiosWorkaroundFactory>::getFactory(reinterpret_cast<factory::TFactory<SmbiosWorkaroundFactory> *>(0));
}
SmbiosWorkaroundFactory::~SmbiosWorkaroundFactory() throw()
{
if( _tableInstance )
{
delete _tableInstance;
_tableInstance = 0;
}
}
SmbiosWorkaroundTable *SmbiosWorkaroundFactory::makeNew( const ISmbiosTable *table )
{
int systemId = 0;
_X( systemId = getU8_FromItem( *(*table)[ Dell_Revisions_and_IDs ], 0x06 ); );
if( 0xFE == systemId )
_X(systemId = getU16_FromItem(*(*table)[ Dell_Revisions_and_IDs ], 0x08 ););
const char * chBiosVersion = 0;
std::string biosVersion = "";
_X( chBiosVersion = getString_FromItem(*(*table)[ BIOS_Information ], 0x05 ); );
if ( 0 != chBiosVersion )
biosVersion = chBiosVersion;
const Workaround **thisSystemWA = 0;
for( int i=0; i < numSystemWorkarounds; ++i )
{
if( workaroundMasterList[i].system->systemId == systemId )
{
thisSystemWA = workaroundMasterList[i].workarounds;
break;
}
}
return new SmbiosWorkaroundTable( table, thisSystemWA );
}
SmbiosWorkaroundTable::SmbiosWorkaroundTable( const ISmbiosTable *, const Workaround **initWorkarounds )
: systemId(0), biosVersion(""), workaroundsForThisSystem(initWorkarounds)
{}
SmbiosWorkaroundTable::~SmbiosWorkaroundTable()
{}
static bool compare( int size, const ISmbiosItem *item, int offset, datatron data )
{
bool retval = false;
u8 *cmpPtr = new u8[size];
try
{
item->getData(offset, cmpPtr, size);
if(0 == memcmp(cmpPtr, data.data, size))
retval = true;
}
catch(...)
{
delete [] cmpPtr;
cmpPtr = 0;
throw;
}
delete [] cmpPtr;
cmpPtr = 0;
return retval;
}
static void fixupData( u8 *buf, size_t size, unsigned int offset, unsigned int len, datatron data )
{
InternalErrorImpl internalError;
if( offset > size )
{
internalError.setMessageString(_("Data overflow. Offset requested is larger than data size. offset: %(offset)i, data size: %(size)i"));
internalError.setParameter("offset",offset);
internalError.setParameter("size",static_cast<int>(size));
throw internalError;
}
memcpy(&(buf[offset]), data.data, len);
//for(unsigned int i=0; i<len; i++)
//buf[offset + i] = data.data[i];
}
static void doFixupItem( const Workaround *wa, const ISmbiosItem *item, u8 *buf, size_t bufSize )
{
int i = 0; //loop counter. workaround MSVC++ braindamage.
// check all of the symptoms. If any symptom does not match, bail.
for( i=0; 0!=wa->symptoms[i].type; ++i )
{
bool ret = compare( wa->symptoms[i].fieldDataType, item, wa->symptoms[i].fieldOffset, wa->symptoms[i].data );
if( ! ret )
goto out;
}
// All symptoms present if we got here.
//cout << "GOT HERE!" << flush;
// apply all of the fixups.
for( i=0; 0!=wa->fixups[i].type; ++i )
{
fixupData(buf, bufSize, wa->fixups[i].fieldOffset, wa->fixups[i].fieldDataType, wa->fixups[i].data );
}
out:
return;
}
void SmbiosWorkaroundTable::fixupItem( const ISmbiosItem *item, u8 *buffer, size_t bufSize ) const
{
int i = 0; //declare i up here to work around braindamaged MSVC++ for()
// scoping violation.
if( 0 == workaroundsForThisSystem )
goto out;
// workaroundsForThisSystem is a NULL-terminated array
// of Workaround pointers.
for( i=0; 0 != workaroundsForThisSystem[i]; ++i )
{
if( workaroundsForThisSystem[i]->symptoms->type == item->getType() )
{
//cout << "-F-" << flush;
doFixupItem( workaroundsForThisSystem[i], item, buffer, bufSize );
}
}
out:
return;
}
}
|