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/*
* Copyright (c) 2008 The Hewlett-Packard Development Company
* All rights reserved.
*
* The license below extends only to copyright in the software and shall
* not be construed as granting a license to any other intellectual
* property including but not limited to intellectual property relating
* to a hardware implementation of the functionality of the software
* licensed hereunder. You may use the software subject to the license
* terms below provided that you ensure that this notice is replicated
* unmodified and in its entirety in all distributions of the software,
* modified or unmodified, in source code or in binary form.
*
* 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
*/
#ifndef __ARCH_X86_BIOS_SMBIOS_HH__
#define __ARCH_X86_BIOS_SMBIOS_HH__
#include <string>
#include <vector>
#include "base/types.hh"
#include "enums/Characteristic.hh"
#include "enums/ExtCharacteristic.hh"
#include "sim/sim_object.hh"
class PortProxy;
struct X86SMBiosBiosInformationParams;
struct X86SMBiosSMBiosStructureParams;
struct X86SMBiosSMBiosTableParams;
namespace X86ISA
{
namespace SMBios
{
class SMBiosStructure : public SimObject
{
protected:
typedef X86SMBiosSMBiosStructureParams Params;
public:
virtual
~SMBiosStructure()
{}
// Offset 00h, 1 byte
uint8_t type;
// Offset 01h, 1 byte
//Length: computed when written to memory.
// Offset 02h, 2 bytes
uint16_t handle;
virtual uint8_t
getLength()
{
// This is the size of a structure with nothing but the header
return 4;
}
virtual uint16_t writeOut(PortProxy& proxy, Addr addr);
protected:
bool stringFields;
SMBiosStructure(Params * p, uint8_t _type);
std::vector<std::string> strings;
void writeOutStrings(PortProxy& proxy, Addr addr);
int getStringLength();
public:
int addString(std::string & newString);
std::string readString(int n);
void setString(int n, std::string & newString);
};
class BiosInformation : public SMBiosStructure
{
protected:
const static uint8_t Type = 0;
typedef X86SMBiosBiosInformationParams Params;
public:
// Offset 04h, 1 byte
uint8_t vendor;
// Offset 05h, 1 byte
uint8_t version;
// Offset 06h, 2 bytes
uint16_t startingAddrSegment;
// Offset 08h, 1 byte
uint8_t releaseDate;
// Offset 09h, 1 byte
uint8_t romSize;
// Offset 0Ah, 8 bytes
//See tables in 3.3.1 in the SMBios 2.5 spec from the DMTF for
//bit definitions.
uint64_t characteristics;
// Offset 12h, 2 bytes
uint16_t characteristicExtBytes;
// Offset 14h, 1 byte
uint8_t majorVer;
// Offset 15h, 1 byte
uint8_t minorVer;
// Offset 16h, 1 byte
uint8_t embContFirmwareMajor;
// Offset 17h, 1 byte
uint8_t embContFirmwareMinor;
BiosInformation(Params * p);
uint8_t getLength() { return 0x18; }
uint16_t writeOut(PortProxy& proxy, Addr addr);
};
class SMBiosTable : public SimObject
{
protected:
typedef X86SMBiosSMBiosTableParams Params;
struct SMBiosHeader
{
SMBiosHeader()
{}
// Offset 00h, 4 bytes
static const char anchorString[];
// Offset 04h, 1 byte
//Checksum: computed when written to memory.
// Offset 05h, 1 byte
static const uint8_t entryPointLength;
// Offset 06h, 1 byte
uint8_t majorVersion;
// Offset 07h, 1 byte
uint8_t minorVersion;
// Offset 08h, 2 bytes
//Maximum structure size: computed when written to memory.
// Offset 0Ah, 1 byte
static const uint8_t entryPointRevision;
// Offset 0Bh, 5 bytes
static const uint8_t formattedArea[5];
// Offset 10h, 15 bytes
struct IntermediateHeader
{
IntermediateHeader() : tableAddr(0)
{}
// Offset 10h, 5 bytes
static const char anchorString[];
// Offset 15h, 1 byte
//Checksum: computed when written to memory.
// Offset 16h, 2 bytes
//Length of the structure table in bytes: computed when
//written to memory.
// Offset 18h, 4 bytes
uint32_t tableAddr;
// Offset 1Ch, 2 bytes
//Number of structures: computed when written to memory
// Offset 1Eh, 1 byte
uint8_t smbiosBCDRevision;
} intermediateHeader;
} smbiosHeader;
std::vector<SMBiosStructure *> structures;
public:
SMBiosTable(Params * p);
Addr getTableAddr()
{
return smbiosHeader.intermediateHeader.tableAddr;
}
void setTableAddr(Addr addr)
{
smbiosHeader.intermediateHeader.tableAddr = addr;
}
void writeOut(PortProxy& proxy, Addr addr,
Addr &headerSize, Addr &structSize);
};
} //SMBios
} //X86ISA
#endif
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