1 | /*␊ |
2 | * A very simple SMBIOS Table decoder, part of the Chameleon Boot Loader Project␊ |
3 | *␊ |
4 | * Copyright 2010 by Islam M. Ahmed Zaid. All rights reserved.␊ |
5 | *␊ |
6 | */␊ |
7 | ␊ |
8 | #include "libsaio.h"␊ |
9 | #include "smbios.h"␊ |
10 | ␊ |
11 | #ifndef DEBUG_SMBIOS␊ |
12 | #define DEBUG_SMBIOS 0␊ |
13 | #endif␊ |
14 | ␊ |
15 | #if DEBUG_SMBIOS␊ |
16 | #define DBG(x...)␉printf(x)␊ |
17 | #else␊ |
18 | #define DBG(x...)␉msglog(x)␊ |
19 | #endif␊ |
20 | ␊ |
21 | static SMBWord minorVersion;␊ |
22 | ␊ |
23 | extern char *getSMBStringForField(SMBStructHeader *structHeader, uint8_t field);␊ |
24 | ␊ |
25 | static const char *␊ |
26 | SMBMemoryDeviceTypes[] =␊ |
27 | {␊ |
28 | "RAM", /* 00h Undefined */␊ |
29 | "RAM", /* 01h Other */␊ |
30 | "RAM", /* 02h Unknown */␊ |
31 | "DRAM", /* 03h DRAM */␊ |
32 | "EDRAM", /* 04h EDRAM */␊ |
33 | "VRAM", /* 05h VRAM */␊ |
34 | "SRAM", /* 06h SRAM */␊ |
35 | "RAM", /* 07h RAM */␊ |
36 | "ROM", /* 08h ROM */␊ |
37 | "FLASH", /* 09h FLASH */␊ |
38 | "EEPROM", /* 0Ah EEPROM */␊ |
39 | "FEPROM", /* 0Bh FEPROM */␊ |
40 | "EPROM", /* 0Ch EPROM */␊ |
41 | "CDRAM", /* 0Dh CDRAM */␊ |
42 | "3DRAM", /* 0Eh 3DRAM */␊ |
43 | "SDRAM", /* 0Fh SDRAM */␊ |
44 | "SGRAM", /* 10h SGRAM */␊ |
45 | "RDRAM", /* 11h RDRAM */␊ |
46 | "DDR SDRAM", /* 12h DDR */␊ |
47 | "DDR2 SDRAM", /* 13h DDR2 */␊ |
48 | "DDR2 FB-DIMM", /* 14h DDR2 FB-DIMM */␊ |
49 | "RAM",␉␉␉/* 15h unused */␊ |
50 | "RAM",␉␉␉/* 16h unused */␊ |
51 | "RAM",␉␉␉/* 17h unused */␊ |
52 | "DDR3",␉␉␉/* 18h DDR3, chosen in [5776134] */␊ |
53 | };␊ |
54 | ␊ |
55 | static const int␊ |
56 | kSMBMemoryDeviceTypeCount = sizeof(SMBMemoryDeviceTypes) /␊ |
57 | sizeof(SMBMemoryDeviceTypes[0]);␊ |
58 | ␊ |
59 | //-------------------------------------------------------------------------------------------------------------------------␊ |
60 | // BIOSInformation␊ |
61 | //-------------------------------------------------------------------------------------------------------------------------␊ |
62 | void decodeBIOSInformation(SMBBIOSInformation *structHeader)␊ |
63 | {␊ |
64 | ␉DBG("BIOSInformation:\n");␊ |
65 | ␉DBG("\tvendor: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->vendor));␊ |
66 | ␉DBG("\tversion: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->version));␊ |
67 | ␉DBG("\treleaseDate: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->releaseDate));␊ |
68 | ␉DBG("\n");␊ |
69 | }␊ |
70 | ␊ |
71 | //-------------------------------------------------------------------------------------------------------------------------␊ |
72 | // SystemInformation␊ |
73 | //-------------------------------------------------------------------------------------------------------------------------␊ |
74 | void decodeSystemInformation(SMBSystemInformation *structHeader)␊ |
75 | {␊ |
76 | ␉DBG("SystemInformation:\n");␊ |
77 | ␉DBG("\tmanufacturer: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->manufacturer));␊ |
78 | ␉DBG("\tproductName: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->productName));␊ |
79 | ␉DBG("\tversion: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->version));␊ |
80 | ␉DBG("\tserialNumber: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->serialNumber));␊ |
81 | ␊ |
82 | ␉if (minorVersion < 1 || structHeader->header.length < 25)␊ |
83 | ␉␉return;␊ |
84 | ␉uint8_t *uuid = structHeader->uuid;␊ |
85 | ␉DBG("\tuuid: %02X%02X%02X%02X-%02X%02X-%02X%02X-%02x%02X-%02X%02X%02X%02X%02X%02X\n",␊ |
86 | ␉␉uuid[0], uuid[1], uuid[2], uuid[3], ␊ |
87 | ␉␉uuid[4], uuid[5], ␊ |
88 | ␉␉uuid[6], uuid[7], ␊ |
89 | ␉␉uuid[8], uuid[9], ␊ |
90 | ␉␉uuid[10], uuid[11], uuid[12], uuid[13], uuid[14], uuid[15]);␊ |
91 | ␉DBG("\twakeupReason: 0x%x\n", structHeader->wakeupReason);␊ |
92 | ␊ |
93 | ␉if (minorVersion < 4 || structHeader->header.length < 27)␊ |
94 | ␉␉return;␊ |
95 | ␉DBG("\tskuNumber: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->skuNumber));␊ |
96 | ␉DBG("\tfamily: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->family));␊ |
97 | ␉DBG("\n");␊ |
98 | }␊ |
99 | ␊ |
100 | //-------------------------------------------------------------------------------------------------------------------------␊ |
101 | // BaseBoard␊ |
102 | //-------------------------------------------------------------------------------------------------------------------------␊ |
103 | void decodeBaseBoard(SMBBaseBoard *structHeader)␊ |
104 | {␊ |
105 | ␉DBG("BaseBoard:\n");␊ |
106 | ␉DBG("\tmanufacturer: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->manufacturer));␊ |
107 | ␉DBG("\tproduct: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->product));␊ |
108 | ␉DBG("\tversion: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->version));␊ |
109 | ␉DBG("\tserialNumber: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->serialNumber));␊ |
110 | ␉DBG("\tassetTagNumber: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->assetTagNumber));␊ |
111 | ␉DBG("\tlocationInChassis: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->locationInChassis));␊ |
112 | ␉DBG("\tboardType: 0x%X\n", structHeader->boardType);␊ |
113 | ␉DBG("\n");␊ |
114 | }␊ |
115 | ␊ |
116 | //-------------------------------------------------------------------------------------------------------------------------␊ |
117 | // SystemEnclosure␊ |
118 | //-------------------------------------------------------------------------------------------------------------------------␊ |
119 | void decodeSystemEnclosure(SMBSystemEnclosure *structHeader)␊ |
120 | {␊ |
121 | ␉DBG("SystemEnclosure:\n");␊ |
122 | ␉DBG("\tmanufacturer: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->manufacturer));␊ |
123 | ␉DBG("\ttype: %d\n", structHeader->type);␊ |
124 | ␉DBG("\tversion: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->version));␊ |
125 | ␉DBG("\tserialNumber: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->serialNumber));␊ |
126 | ␉DBG("\tassetTagNumber: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->assetTagNumber));␊ |
127 | ␉DBG("\n");␊ |
128 | }␊ |
129 | ␊ |
130 | //-------------------------------------------------------------------------------------------------------------------------␊ |
131 | // ProcessorInformation␊ |
132 | //-------------------------------------------------------------------------------------------------------------------------␊ |
133 | void decodeProcessorInformation(SMBProcessorInformation *structHeader)␊ |
134 | {␊ |
135 | ␉DBG("ProcessorInformation:\n");␊ |
136 | ␉DBG("\tsocketDesignation: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->socketDesignation));␊ |
137 | ␉DBG("\tprocessorType: %d\n", structHeader->processorType);␊ |
138 | ␉DBG("\tprocessorFamily: 0x%X\n", structHeader->processorFamily);␊ |
139 | ␉DBG("\tmanufacturer: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->manufacturer));␊ |
140 | ␉DBG("\tprocessorID: 0x%llX\n", structHeader->processorID);␊ |
141 | ␉DBG("\tprocessorVersion: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->processorVersion));␊ |
142 | ␉DBG("\texternalClock: %dMHz\n", structHeader->externalClock);␊ |
143 | ␉DBG("\tmaximumClock: %dMHz\n", structHeader->maximumClock);␊ |
144 | ␉DBG("\tcurrentClock: %dMHz\n", structHeader->currentClock);␊ |
145 | ␊ |
146 | ␉if (minorVersion < 3 || structHeader->header.length < 35)␊ |
147 | ␉␉return;␊ |
148 | ␉DBG("\tserialNumber: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->serialNumber));␊ |
149 | ␉DBG("\tassetTag: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->assetTag));␊ |
150 | ␉DBG("\tpartNumber: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->partNumber));␊ |
151 | ␉DBG("\n");␊ |
152 | }␊ |
153 | ␊ |
154 | //-------------------------------------------------------------------------------------------------------------------------␊ |
155 | // MemoryDevice␊ |
156 | //-------------------------------------------------------------------------------------------------------------------------␊ |
157 | void decodeMemoryDevice(SMBMemoryDevice *structHeader)␊ |
158 | {␊ |
159 | ␉DBG("MemoryDevice:\n");␊ |
160 | ␉DBG("\tdeviceLocator: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->deviceLocator));␊ |
161 | ␉DBG("\tbankLocator: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->bankLocator));␊ |
162 | ␉DBG("\tmemoryType: %s\n", SMBMemoryDeviceTypes[structHeader->memoryType]);␊ |
163 | ␊ |
164 | ␉if (minorVersion < 3 || structHeader->header.length < 27)␊ |
165 | ␉␉return;␊ |
166 | ␉DBG("\tmemorySpeed: %dMHz\n", structHeader->memorySpeed);␊ |
167 | ␉DBG("\tmanufacturer: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->manufacturer));␊ |
168 | ␉DBG("\tserialNumber: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->serialNumber));␊ |
169 | ␉DBG("\tassetTag: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->assetTag));␊ |
170 | ␉DBG("\tpartNumber: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->partNumber));␊ |
171 | ␉DBG("\n");␊ |
172 | }␊ |
173 | ␊ |
174 | //-------------------------------------------------------------------------------------------------------------------------␊ |
175 | // Apple Specific␊ |
176 | //-------------------------------------------------------------------------------------------------------------------------␊ |
177 | void decodeOemProcessorType(SMBOemProcessorType *structHeader)␊ |
178 | {␊ |
179 | ␉DBG("AppleProcessorType:\n");␊ |
180 | ␉DBG("\tProcessorType: 0x%x\n", ((SMBOemProcessorType *)structHeader)->ProcessorType);␊ |
181 | ␉DBG("\n");␊ |
182 | }␊ |
183 | ␊ |
184 | void decodeOemProcessorBusSpeed(SMBOemProcessorBusSpeed *structHeader)␊ |
185 | {␊ |
186 | ␉DBG("AppleProcessorBusSpeed:\n");␊ |
187 | ␉DBG("\tProcessorBusSpeed (QPI): %d.%dGT/s\n", ␊ |
188 | ␉␉␉((SMBOemProcessorBusSpeed *)structHeader)->ProcessorBusSpeed / 1000, ␊ |
189 | ␉␉␉(((SMBOemProcessorBusSpeed *)structHeader)->ProcessorBusSpeed / 100) % 10);␊ |
190 | ␉DBG("\n");␊ |
191 | }␊ |
192 | //-------------------------------------------------------------------------------------------------------------------------␊ |
193 | ␊ |
194 | ␊ |
195 | void decodeSMBIOSTable(SMBEntryPoint *eps)␊ |
196 | {␊ |
197 | ␉uint8_t *ptr = (uint8_t *)eps->dmi.tableAddress;␊ |
198 | ␉SMBStructHeader *structHeader = (SMBStructHeader *)ptr;␊ |
199 | ␊ |
200 | ␉minorVersion = eps->minorVersion;␊ |
201 | ␊ |
202 | ␉DBG("\n");␊ |
203 | ␉for (;((eps->dmi.tableAddress + eps->dmi.tableLength) > ((uint32_t)(uint8_t *)structHeader + sizeof(SMBStructHeader)));)␊ |
204 | ␉{␊ |
205 | ␉␉DBG("Type: %d, Length: %d, Handle: 0x%x\n", ␊ |
206 | ␉␉␉␉structHeader->type, structHeader->length, structHeader->handle);␊ |
207 | ␊ |
208 | ␉␉switch (structHeader->type)␊ |
209 | ␉␉{␊ |
210 | ␉␉␉case kSMBTypeBIOSInformation:␊ |
211 | ␉␉␉␉decodeBIOSInformation((SMBBIOSInformation *)structHeader);␊ |
212 | ␉␉␉␉break;␊ |
213 | ␊ |
214 | ␉␉␉case kSMBTypeSystemInformation:␊ |
215 | ␉␉␉␉decodeSystemInformation((SMBSystemInformation *)structHeader);␊ |
216 | ␉␉␉␉break;␊ |
217 | ␊ |
218 | ␉␉␉case kSMBTypeBaseBoard:␊ |
219 | ␉␉␉␉decodeBaseBoard((SMBBaseBoard *)structHeader);␊ |
220 | ␉␉␉␉break;␊ |
221 | ␊ |
222 | ␉␉␉case kSMBTypeSystemEnclosure:␊ |
223 | ␉␉␉␉decodeSystemEnclosure((SMBSystemEnclosure *)structHeader);␊ |
224 | ␉␉␉␉break;␊ |
225 | ␊ |
226 | ␉␉␉case kSMBTypeProcessorInformation:␊ |
227 | ␉␉␉␉decodeProcessorInformation((SMBProcessorInformation *)structHeader);␊ |
228 | ␉␉␉␉break;␊ |
229 | ␊ |
230 | ␉␉␉case kSMBTypeMemoryDevice:␊ |
231 | ␉␉␉␉decodeMemoryDevice((SMBMemoryDevice *)structHeader);␊ |
232 | ␉␉␉␉break;␊ |
233 | ␊ |
234 | ␉␉␉/* Skip all Apple Specific Structures */␊ |
235 | ␉␉␉case kSMBTypeFirmwareVolume:␊ |
236 | ␉␉␉case kSMBTypeMemorySPD:␊ |
237 | ␉␉␉␉break;␊ |
238 | ␊ |
239 | ␉␉␉case kSMBTypeOemProcessorType:␊ |
240 | ␉␉␉␉decodeOemProcessorType((SMBOemProcessorType *)structHeader);␊ |
241 | ␉␉␉␉break;␊ |
242 | ␊ |
243 | ␉␉␉case kSMBTypeOemProcessorBusSpeed:␊ |
244 | ␉␉␉␉decodeOemProcessorBusSpeed((SMBOemProcessorBusSpeed *)structHeader);␊ |
245 | ␉␉␉␉break;␊ |
246 | ␊ |
247 | ␉␉␉case kSMBTypeEndOfTable:␊ |
248 | ␉␉␉␉/* Skip, to be added at the end */␊ |
249 | ␉␉␉␉break;␊ |
250 | ␊ |
251 | ␉␉␉default:␊ |
252 | ␉␉␉␉break;␊ |
253 | ␉␉}␊ |
254 | ␊ |
255 | ␉␉ptr = (uint8_t *)((uint32_t)structHeader + structHeader->length);␊ |
256 | ␉␉for (; ((uint16_t *)ptr)[0] != 0; ptr++);␊ |
257 | ␊ |
258 | ␉␉if (((uint16_t *)ptr)[0] == 0)␊ |
259 | ␉␉␉ptr += 2;␊ |
260 | ␊ |
261 | ␉␉structHeader = (SMBStructHeader *)ptr;␊ |
262 | ␉}␊ |
263 | ␉DBG("\n");␊ |
264 | }␊ |
265 | ␊ |
266 | |