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/*
* Copyright (c) 2008 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Gabe Black
*/
/*
* Copyright (c) 2008 The Hewlett-Packard Development Company
* All rights reserved.
*
* Redistribution and use of this software in source and binary forms,
* with or without modification, are permitted provided that the
* following conditions are met:
*
* The software must be used only for Non-Commercial Use which means any
* use which is NOT directed to receiving any direct monetary
* compensation for, or commercial advantage from such use. Illustrative
* examples of non-commercial use are academic research, personal study,
* teaching, education and corporate research & development.
* Illustrative examples of commercial use are distributing products for
* commercial advantage and providing services using the software for
* commercial advantage.
*
* If you wish to use this software or functionality therein that may be
* covered by patents for commercial use, please contact:
* Director of Intellectual Property Licensing
* Office of Strategy and Technology
* Hewlett-Packard Company
* 1501 Page Mill Road
* Palo Alto, California 94304
*
* Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer. Redistributions
* in binary form must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution. Neither the name of
* the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission. No right of
* sublicense is granted herewith. Derivatives of the software and
* output created using the software may be prepared, but only for
* Non-Commercial Uses. Derivatives of the software may be shared with
* others provided: (i) the others agree to abide by the list of
* conditions herein which includes the Non-Commercial Use restrictions;
* and (ii) such Derivatives of the software include the above copyright
* notice to acknowledge the contribution from this software where
* applicable, this list of conditions and the disclaimer below.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Gabe Black
*/
#include "arch/x86/smbios.hh"
#include "arch/x86/isa_traits.hh"
#include "mem/port.hh"
#include "sim/byteswap.hh"
#include "sim/host.hh"
const char X86ISA::SMBios::SMBiosTable::SMBiosHeader::anchorString[] = "_SM_";
const uint8_t X86ISA::SMBios::SMBiosTable::
SMBiosHeader::formattedArea[] = {0,0,0,0,0};
const uint8_t X86ISA::SMBios::SMBiosTable::
SMBiosHeader::entryPointLength = 0x1F;
const uint8_t X86ISA::SMBios::SMBiosTable::
SMBiosHeader::entryPointRevision = 0;
const char X86ISA::SMBios::SMBiosTable::
SMBiosHeader::IntermediateHeader::anchorString[] = "_DMI_";
uint16_t
X86ISA::SMBios::BiosInformation::writeOut(FunctionalPort * port, Addr addr)
{
uint8_t size = SMBiosStructure::writeOut(port, addr);
port->writeBlob(addr + 0x4, (uint8_t *)(&vendor), 1);
port->writeBlob(addr + 0x5, (uint8_t *)(&version), 1);
uint16_t startingAddrSegmentGuest = X86ISA::htog(startingAddrSegment);
port->writeBlob(addr + 0x6, (uint8_t *)(&startingAddrSegmentGuest), 2);
port->writeBlob(addr + 0x8, (uint8_t *)(&releaseDate), 1);
port->writeBlob(addr + 0x9, (uint8_t *)(&romSize), 1);
uint64_t characteristicsGuest = X86ISA::htog(characteristics);
port->writeBlob(addr + 0xA, (uint8_t *)(&characteristicsGuest), 8);
uint16_t characteristicExtBytesGuest =
X86ISA::htog(characteristicExtBytes);
port->writeBlob(addr + 0x12, (uint8_t *)(&characteristicExtBytesGuest), 2);
port->writeBlob(addr + 0x14, (uint8_t *)(&major), 1);
port->writeBlob(addr + 0x15, (uint8_t *)(&minor), 1);
port->writeBlob(addr + 0x16, (uint8_t *)(&embContFirmwareMajor), 1);
port->writeBlob(addr + 0x17, (uint8_t *)(&embContFirmwareMinor), 1);
writeOutStrings(port, addr + getLength());
return size;
}
void
X86ISA::SMBios::SMBiosTable::writeOut(FunctionalPort * port, Addr addr)
{
/*
* The main header
*/
uint8_t mainChecksum = 0;
port->writeBlob(addr, (uint8_t *)smbiosHeader.anchorString, 4);
for (int i = 0; i < 4; i++)
mainChecksum += smbiosHeader.anchorString[i];
// The checksum goes here, but we're figuring it out as we go.
port->writeBlob(addr + 0x5,
(uint8_t *)(&smbiosHeader.entryPointLength), 1);
mainChecksum += smbiosHeader.entryPointLength;
port->writeBlob(addr + 0x6,
(uint8_t *)(&smbiosHeader.majorVersion), 1);
mainChecksum += smbiosHeader.majorVersion;
port->writeBlob(addr + 0x7,
(uint8_t *)(&smbiosHeader.minorVersion), 1);
mainChecksum += smbiosHeader.minorVersion;
// Maximum structure size goes here, but we'll figure it out later.
port->writeBlob(addr + 0xA,
(uint8_t *)(&smbiosHeader.entryPointRevision), 1);
mainChecksum += smbiosHeader.entryPointRevision;
port->writeBlob(addr + 0xB,
(uint8_t *)(&smbiosHeader.formattedArea), 5);
for (int i = 0; i < 5; i++)
mainChecksum += smbiosHeader.formattedArea[i];
/*
* The intermediate header
*/
uint8_t intChecksum = 0;
port->writeBlob(addr + 0x10,
(uint8_t *)smbiosHeader.intermediateHeader.anchorString, 5);
for (int i = 0; i < 5; i++)
intChecksum += smbiosHeader.intermediateHeader.anchorString[i];
// The checksum goes here, but we're figuring it out as we go.
// Then the length of the structure table which we'll find later
uint32_t tableAddrGuest =
X86ISA::htog(smbiosHeader.intermediateHeader.tableAddr);
port->writeBlob(addr + 0x18, (uint8_t *)(&tableAddrGuest), 4);
for (int i = 0; i < 4; i++) {
intChecksum += tableAddrGuest;
tableAddrGuest >>= 8;
}
uint16_t numStructs = X86ISA::gtoh(structures.size());
port->writeBlob(addr + 0x1C, (uint8_t *)(&numStructs), 2);
for (int i = 0; i < 2; i++) {
intChecksum += numStructs;
numStructs >>= 8;
}
port->writeBlob(addr + 0x1E,
(uint8_t *)(&smbiosHeader.intermediateHeader.smbiosBCDRevision),
1);
intChecksum += smbiosHeader.intermediateHeader.smbiosBCDRevision;
/*
* Structure table
*/
Addr base = smbiosHeader.intermediateHeader.tableAddr;
Addr offset = 0;
uint16_t maxSize = 0;
std::vector<SMBiosStructure>::iterator it;
for (it = structures.begin(); it != structures.end(); it++) {
uint16_t size = it->writeOut(port, base + offset);
if (size > maxSize)
maxSize = size;
offset += size;
}
/*
* Header
*/
maxSize = X86ISA::htog(maxSize);
port->writeBlob(addr + 0x8, (uint8_t *)(&maxSize), 2);
for (int i = 0; i < 2; i++) {
mainChecksum += maxSize;
maxSize >>= 8;
}
// Set the checksum
mainChecksum = -mainChecksum;
port->writeBlob(addr + 0x4, (uint8_t *)(&mainChecksum), 1);
/*
* Intermediate header
*/
uint16_t tableSize = offset;
tableSize = X86ISA::htog(tableSize);
port->writeBlob(addr + 0x16, (uint8_t *)(&tableSize), 2);
for (int i = 0; i < 2; i++) {
intChecksum += tableSize;
tableSize >>= 8;
}
intChecksum = -intChecksum;
port->writeBlob(addr + 0x15, (uint8_t *)(&intChecksum), 1);
}
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