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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
+ */
+
+#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