1/*
2 * Copyright (c) 2008 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

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86 */
87
88#ifndef __ARCH_X86_BIOS_SMBIOS_HH__
89#define __ARCH_X86_BIOS_SMBIOS_HH__
90
91#include <string>
92#include <vector>
93
94#include "enums/Characteristic.hh"
95#include "enums/ExtCharacteristic.hh"
96#include "sim/host.hh"
97#include "sim/sim_object.hh"
98
99class FunctionalPort;
100class X86SMBiosBiosInformationParams;
101class X86SMBiosSMBiosStructureParams;
102class X86SMBiosSMBiosTableParams;
103
104namespace X86ISA
105{
106
107namespace SMBios
108{
109
110class SMBiosStructure : public SimObject
111{
112 protected:
113 typedef X86SMBiosSMBiosStructureParams Params;
114
115 public:
116
117 virtual
118 ~SMBiosStructure()
119 {}
120
121 // Offset 00h, 1 byte
122 uint8_t type;

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129
130 virtual uint8_t
131 getLength()
132 {
133 // This is the size of a structure with nothing but the header
134 return 4;
135 }
136
137 virtual uint16_t writeOut(FunctionalPort * port, Addr addr);
138
139 protected:
140 bool stringFields;
141
142 SMBiosStructure(Params * p, uint8_t _type);
143
144 std::vector<std::string> strings;
145
146 void writeOutStrings(FunctionalPort * port, Addr addr);
147
148 int getStringLength();
149
150 public:
151
152 int addString(std::string & newString);
153 std::string readString(int n);
154 void setString(int n, std::string & newString);
155};
156
157class BiosInformation : public SMBiosStructure
158{
159 protected:
160 const static uint8_t Type = 0;
161
162 typedef X86SMBiosBiosInformationParams Params;
163
164 public:
165 // Offset 04h, 1 byte
166 uint8_t vendor;
167 // Offset 05h, 1 byte
168 uint8_t version;
169 // Offset 06h, 2 bytes
170 uint16_t startingAddrSegment;
171 // Offset 08h, 1 byte
172 uint8_t releaseDate;
173 // Offset 09h, 1 byte
174 uint8_t romSize;
175 // Offset 0Ah, 8 bytes
176 //See tables in 3.3.1 in the SMBios 2.5 spec from the DMTF for
177 //bit definitions.
178 uint64_t characteristics;
179 // Offset 12h, 2 bytes
180 uint16_t characteristicExtBytes;
181 // Offset 14h, 1 byte
182 uint8_t majorVer;
183 // Offset 15h, 1 byte
184 uint8_t minorVer;
185 // Offset 16h, 1 byte
186 uint8_t embContFirmwareMajor;
187 // Offset 17h, 1 byte
188 uint8_t embContFirmwareMinor;
189
190 BiosInformation(Params * p);
191
192 uint8_t getLength() { return 0x18; }
193 uint16_t writeOut(FunctionalPort * port, Addr addr);
194};
195
196class SMBiosTable : public SimObject
197{
198 protected:
199 typedef X86SMBiosSMBiosTableParams Params;
200
201 struct SMBiosHeader
202 {
203 SMBiosHeader()
204 {}
205
206 // Offset 00h, 4 bytes
207 static const char anchorString[];
208

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248 // Offset 1Ch, 2 bytes
249 //Number of structures: computed when written to memory
250
251 // Offset 1Eh, 1 byte
252 uint8_t smbiosBCDRevision;
253 } intermediateHeader;
254 } smbiosHeader;
255
256 std::vector<SMBiosStructure *> structures;
257
258 public:
259 SMBiosTable(Params * p);
260
261 Addr getTableAddr()
262 {
263 return smbiosHeader.intermediateHeader.tableAddr;
264 }
265
266 void setTableAddr(Addr addr)
267 {
268 smbiosHeader.intermediateHeader.tableAddr = addr;
269 }
270
271 void writeOut(FunctionalPort * port, Addr addr,
272 Addr &headerSize, Addr &structSize);
273};
274
275} //SMBios
276} //X86ISA
277
278#endif