--- /dev/null
+/*
+ * 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);
+}
--- /dev/null
+/*
+ * 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
+ */
+
+#ifndef __ARCH_X86_SMBIOS_HH__
+#define __ARCH_X86_SMBIOS_HH__
+
+#include <string>
+#include <vector>
+
+#include "arch/x86/isa_traits.hh"
+#include "mem/port.hh"
+#include "sim/byteswap.hh"
+#include "sim/host.hh"
+
+namespace X86ISA
+{
+
+namespace SMBios
+{
+
+class SMBiosStructure
+{
+ 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(FunctionalPort * port, Addr addr)
+ {
+ port->writeBlob(addr, (uint8_t *)(&type), 1);
+
+ uint8_t length = getLength();
+ port->writeBlob(addr + 1, (uint8_t *)(&length), 1);
+
+ uint16_t handleGuest = X86ISA::htog(handle);
+ port->writeBlob(addr + 2, (uint8_t *)(&handleGuest), 2);
+
+ return length + getStringLength();
+ }
+
+ protected:
+ std::vector<std::string> strings;
+
+ void writeOutStrings(FunctionalPort * port, Addr addr)
+ {
+ std::vector<std::string>::iterator it;
+ Addr offset = 0;
+
+ for (it = strings.begin(); it != strings.end(); it++) {
+ port->writeBlob(addr + offset,
+ (uint8_t *)it->c_str(), it->length() + 1);
+ offset += it->length() + 1;
+ }
+
+ const uint8_t nullTerminator = 0;
+ port->writeBlob(addr + offset, (uint8_t *)(&nullTerminator), 1);
+ }
+
+ int getStringLength()
+ {
+ int size = 0;
+ std::vector<std::string>::iterator it;
+
+ for (it = strings.begin(); it != strings.end(); it++) {
+ size += it->length() + 1;
+ }
+
+ return size + 1;
+ }
+
+ public:
+
+ int addString(std::string & newString)
+ {
+ strings.push_back(newString);
+ return strings.size();
+ }
+
+ std::string readString(int n)
+ {
+ assert(n > 0 && n <= strings.size());
+ return strings[n - 1];
+ }
+
+ void setString(int n, std::string & newString)
+ {
+ assert(n > 0 && n <= strings.size());
+ strings[n - 1] = newString;
+ }
+};
+
+class BiosInformation : public SMBiosStructure
+{
+ 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 major;
+ // Offset 15h, 1 byte
+ uint8_t minor;
+ // Offset 16h, 1 byte
+ uint8_t embContFirmwareMajor;
+ // Offset 17h, 1 byte
+ uint8_t embContFirmwareMinor;
+
+ uint8_t getLength() { return 0x18; }
+ uint16_t writeOut(FunctionalPort * port, Addr addr);
+};
+
+class SMBiosTable
+{
+ public:
+ 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;
+
+ void writeOut(FunctionalPort * port, Addr addr);
+
+ std::vector<SMBiosStructure> structures;
+};
+
+} //SMBios
+} //X86ISA
+
+#endif
projects / gem5.git / commitdiff