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 "mysmbios.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 | ␊ |
22 | static SMBWord minorVersion;␊ |
23 | ␊ |
24 | static void decodeBIOSInformation(SMBBIOSInformation *structHeader);␊ |
25 | static void decodeSystemInformation(SMBSystemInformation *structHeader);␊ |
26 | static void decodeBaseBoard(SMBBaseBoard *structHeader);␊ |
27 | static void decodeSystemEnclosure(SMBSystemEnclosure *structHeader);␊ |
28 | static void decodeProcessorInformation(SMBProcessorInformation *structHeader);␊ |
29 | static void decodeMemoryDevice(SMBMemoryDevice *structHeader);␊ |
30 | static void decodeOemProcessorType(SMBOemProcessorType *structHeader);␊ |
31 | static void decodeOemProcessorBusSpeed(SMBOemProcessorBusSpeed *structHeader);␊ |
32 | ␊ |
33 | //-------------------------------------------------------------------------------------------------------------------------␊ |
34 | // BIOSInformation␊ |
35 | //-------------------------------------------------------------------------------------------------------------------------␊ |
36 | static void decodeBIOSInformation(SMBBIOSInformation *structHeader)␊ |
37 | {␊ |
38 | ␉DBG("BIOSInformation:\n");␊ |
39 | ␉DBG("\tvendor: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->vendor));␊ |
40 | ␉DBG("\tversion: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->version));␊ |
41 | ␉DBG("\treleaseDate: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->releaseDate));␊ |
42 | ␉DBG("\n");␊ |
43 | }␊ |
44 | ␊ |
45 | //-------------------------------------------------------------------------------------------------------------------------␊ |
46 | // SystemInformation␊ |
47 | //-------------------------------------------------------------------------------------------------------------------------␊ |
48 | static void decodeSystemInformation(SMBSystemInformation *structHeader)␊ |
49 | {␊ |
50 | ␉DBG("SystemInformation:\n");␊ |
51 | ␉DBG("\tmanufacturer: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->manufacturer));␊ |
52 | ␉DBG("\tproductName: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->productName));␊ |
53 | ␉DBG("\tversion: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->version));␊ |
54 | ␉DBG("\tserialNumber: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->serialNumber));␊ |
55 | ␊ |
56 | ␉if (minorVersion < 1 || structHeader->header.length < 25)␊ |
57 | ␉␉return;␊ |
58 | ␉uint8_t *uuid = structHeader->uuid;␊ |
59 | ␉DBG("\tuuid: %02X%02X%02X%02X-%02X%02X-%02X%02X-%02x%02X-%02X%02X%02X%02X%02X%02X\n",␊ |
60 | ␉␉uuid[0], uuid[1], uuid[2], uuid[3], ␊ |
61 | ␉␉uuid[4], uuid[5], ␊ |
62 | ␉␉uuid[6], uuid[7], ␊ |
63 | ␉␉uuid[8], uuid[9], ␊ |
64 | ␉␉uuid[10], uuid[11], uuid[12], uuid[13], uuid[14], uuid[15]);␊ |
65 | ␉DBG("\twakeupReason: 0x%x\n", structHeader->wakeupReason);␊ |
66 | ␊ |
67 | ␉if (minorVersion < 4 || structHeader->header.length < 27)␊ |
68 | ␉␉return;␊ |
69 | ␉DBG("\tskuNumber: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->skuNumber));␊ |
70 | ␉DBG("\tfamily: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->family));␊ |
71 | ␉DBG("\n");␊ |
72 | }␊ |
73 | ␊ |
74 | //-------------------------------------------------------------------------------------------------------------------------␊ |
75 | // BaseBoard␊ |
76 | //-------------------------------------------------------------------------------------------------------------------------␊ |
77 | static void decodeBaseBoard(SMBBaseBoard *structHeader)␊ |
78 | {␊ |
79 | ␉DBG("BaseBoard:\n");␊ |
80 | ␉DBG("\tmanufacturer: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->manufacturer));␊ |
81 | ␉DBG("\tproduct: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->product));␊ |
82 | ␉DBG("\tversion: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->version));␊ |
83 | ␉DBG("\tserialNumber: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->serialNumber));␊ |
84 | ␉DBG("\tassetTagNumber: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->assetTagNumber));␊ |
85 | ␉DBG("\tlocationInChassis: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->locationInChassis));␊ |
86 | ␉DBG("\tboardType: 0x%X\n", structHeader->boardType);␊ |
87 | ␉DBG("\n");␊ |
88 | }␊ |
89 | ␊ |
90 | //-------------------------------------------------------------------------------------------------------------------------␊ |
91 | // SystemEnclosure␊ |
92 | //-------------------------------------------------------------------------------------------------------------------------␊ |
93 | static void decodeSystemEnclosure(SMBSystemEnclosure *structHeader)␊ |
94 | {␊ |
95 | ␉DBG("SystemEnclosure:\n");␊ |
96 | ␉DBG("\tmanufacturer: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->manufacturer));␊ |
97 | ␉DBG("\ttype: %d\n", structHeader->type);␊ |
98 | ␉DBG("\tversion: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->version));␊ |
99 | ␉DBG("\tserialNumber: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->serialNumber));␊ |
100 | ␉DBG("\tassetTagNumber: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->assetTagNumber));␊ |
101 | ␉DBG("\n");␊ |
102 | }␊ |
103 | ␊ |
104 | //-------------------------------------------------------------------------------------------------------------------------␊ |
105 | // ProcessorInformation␊ |
106 | //-------------------------------------------------------------------------------------------------------------------------␊ |
107 | static void decodeProcessorInformation(SMBProcessorInformation *structHeader)␊ |
108 | {␊ |
109 | ␉DBG("ProcessorInformation:\n");␊ |
110 | ␉DBG("\tsocketDesignation: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->socketDesignation));␊ |
111 | ␉DBG("\tprocessorType: %d\n", structHeader->processorType);␊ |
112 | ␉DBG("\tprocessorFamily: 0x%X\n", structHeader->processorFamily);␊ |
113 | ␉DBG("\tmanufacturer: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->manufacturer));␊ |
114 | ␉DBG("\tprocessorID: 0x%llX\n", structHeader->processorID);␊ |
115 | ␉DBG("\tprocessorVersion: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->processorVersion));␊ |
116 | ␉DBG("\texternalClock: %dMHz\n", structHeader->externalClock);␊ |
117 | ␉DBG("\tmaximumClock: %dMHz\n", structHeader->maximumClock);␊ |
118 | ␉DBG("\tcurrentClock: %dMHz\n", structHeader->currentClock);␊ |
119 | ␊ |
120 | ␉if (minorVersion < 3 || structHeader->header.length < 35)␊ |
121 | ␉␉return;␊ |
122 | ␉DBG("\tserialNumber: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->serialNumber));␊ |
123 | ␉DBG("\tassetTag: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->assetTag));␊ |
124 | ␉DBG("\tpartNumber: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->partNumber));␊ |
125 | ␉DBG("\n");␊ |
126 | }␊ |
127 | ␊ |
128 | //-------------------------------------------------------------------------------------------------------------------------␊ |
129 | // MemoryDevice␊ |
130 | //-------------------------------------------------------------------------------------------------------------------------␊ |
131 | static void decodeMemoryDevice(SMBMemoryDevice *structHeader)␊ |
132 | {␊ |
133 | ␉DBG("MemoryDevice:\n");␊ |
134 | ␉DBG("\tdeviceLocator: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->deviceLocator));␊ |
135 | ␉DBG("\tbankLocator: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->bankLocator));␊ |
136 | ␉DBG("\tmemoryType: %s\n", SMBMemoryDeviceTypes[structHeader->memoryType]);␊ |
137 | ␊ |
138 | ␉if (minorVersion < 3 || structHeader->header.length < 27)␊ |
139 | ␉␉return;␊ |
140 | ␉DBG("\tmemorySpeed: %dMHz\n", structHeader->memorySpeed);␊ |
141 | ␉DBG("\tmanufacturer: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->manufacturer));␊ |
142 | ␉DBG("\tserialNumber: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->serialNumber));␊ |
143 | ␉DBG("\tassetTag: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->assetTag));␊ |
144 | ␉DBG("\tpartNumber: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->partNumber));␊ |
145 | ␉DBG("\n");␊ |
146 | }␊ |
147 | ␊ |
148 | //-------------------------------------------------------------------------------------------------------------------------␊ |
149 | // Apple Specific␊ |
150 | //-------------------------------------------------------------------------------------------------------------------------␊ |
151 | static void decodeOemProcessorType(SMBOemProcessorType *structHeader)␊ |
152 | {␊ |
153 | ␉DBG("AppleProcessorType:\n");␊ |
154 | ␉DBG("\tProcessorType: 0x%x\n", ((SMBOemProcessorType *)structHeader)->ProcessorType);␊ |
155 | ␉DBG("\n");␊ |
156 | }␊ |
157 | ␊ |
158 | static void decodeOemProcessorBusSpeed(SMBOemProcessorBusSpeed *structHeader)␊ |
159 | {␊ |
160 | ␉DBG("AppleProcessorBusSpeed:\n");␊ |
161 | ␉DBG("\tProcessorBusSpeed (QPI): %d.%dGT/s\n", ␊ |
162 | ␉␉␉((SMBOemProcessorBusSpeed *)structHeader)->ProcessorBusSpeed / 1000, ␊ |
163 | ␉␉␉(((SMBOemProcessorBusSpeed *)structHeader)->ProcessorBusSpeed / 100) % 10);␊ |
164 | ␉DBG("\n");␊ |
165 | }␊ |
166 | //-------------------------------------------------------------------------------------------------------------------------␊ |
167 | ␊ |
168 | ␊ |
169 | void decodeSMBIOSTable(SMBEntryPoint *eps)␊ |
170 | {␊ |
171 | ␉uint8_t *ptr = (uint8_t *)eps->dmi.tableAddress;␊ |
172 | ␉SMBStructHeader *structHeader = (SMBStructHeader *)ptr;␊ |
173 | ␊ |
174 | ␉minorVersion = eps->minorVersion;␊ |
175 | ␊ |
176 | ␉DBG("\n");␊ |
177 | ␉for (;((eps->dmi.tableAddress + eps->dmi.tableLength) > ((uint32_t)(uint8_t *)structHeader + sizeof(SMBStructHeader)));)␊ |
178 | ␉{␊ |
179 | #if DEBUG_SMBIOS␊ |
180 | ␉␉DBG("Type: %d, Length: %d, Handle: 0x%x\n", ␊ |
181 | ␉␉␉␉structHeader->type, structHeader->length, structHeader->handle);␊ |
182 | #endif␊ |
183 | ␉␉switch (structHeader->type)␊ |
184 | ␉␉{␊ |
185 | ␉␉␉case kSMBTypeBIOSInformation:␊ |
186 | {␊ |
187 | #if !DEBUG_SMBIOS␊ |
188 | DBG("Type: %d, Length: %d, Handle: 0x%x\n", ␊ |
189 | structHeader->type, structHeader->length, structHeader->handle);␊ |
190 | #endif␊ |
191 | ␉␉␉␉decodeBIOSInformation((SMBBIOSInformation *)structHeader);␊ |
192 | ␉␉␉␉break;␊ |
193 | }␊ |
194 | ␉␉␉case kSMBTypeSystemInformation:␊ |
195 | {␊ |
196 | #if !DEBUG_SMBIOS␊ |
197 | DBG("Type: %d, Length: %d, Handle: 0x%x\n", ␊ |
198 | structHeader->type, structHeader->length, structHeader->handle);␊ |
199 | #endif␊ |
200 | ␉␉␉␉decodeSystemInformation((SMBSystemInformation *)structHeader);␊ |
201 | ␉␉␉␉break;␊ |
202 | }␊ |
203 | ␉␉␉case kSMBTypeBaseBoard:␊ |
204 | {␊ |
205 | #if !DEBUG_SMBIOS␊ |
206 | DBG("Type: %d, Length: %d, Handle: 0x%x\n", ␊ |
207 | structHeader->type, structHeader->length, structHeader->handle);␊ |
208 | #endif␊ |
209 | ␉␉␉␉decodeBaseBoard((SMBBaseBoard *)structHeader);␊ |
210 | ␉␉␉␉break;␊ |
211 | }␊ |
212 | ␉␉␉case kSMBTypeSystemEnclosure:␊ |
213 | {␊ |
214 | #if !DEBUG_SMBIOS␊ |
215 | DBG("Type: %d, Length: %d, Handle: 0x%x\n", ␊ |
216 | structHeader->type, structHeader->length, structHeader->handle);␊ |
217 | #endif␊ |
218 | ␉␉␉␉decodeSystemEnclosure((SMBSystemEnclosure *)structHeader);␊ |
219 | ␉␉␉␉break;␊ |
220 | }␊ |
221 | ␉␉␉case kSMBTypeProcessorInformation:␊ |
222 | {␊ |
223 | #if !DEBUG_SMBIOS␊ |
224 | DBG("Type: %d, Length: %d, Handle: 0x%x\n", ␊ |
225 | structHeader->type, structHeader->length, structHeader->handle);␊ |
226 | #endif␊ |
227 | ␉␉␉␉decodeProcessorInformation((SMBProcessorInformation *)structHeader);␊ |
228 | ␉␉␉␉break;␊ |
229 | }␊ |
230 | ␉␉␉case kSMBTypeMemoryDevice:␊ |
231 | {␊ |
232 | #if !DEBUG_SMBIOS␊ |
233 | DBG("Type: %d, Length: %d, Handle: 0x%x\n", ␊ |
234 | structHeader->type, structHeader->length, structHeader->handle);␊ |
235 | #endif␊ |
236 | ␉␉␉␉decodeMemoryDevice((SMBMemoryDevice *)structHeader);␊ |
237 | ␉␉␉␉break;␊ |
238 | ␊ |
239 | ␉␉␉/* Skip all Apple Specific Structures */␊ |
240 | ␉␉␉case kSMBTypeFirmwareVolume:␊ |
241 | ␉␉␉case kSMBTypeMemorySPD:␊ |
242 | ␉␉␉␉break;␊ |
243 | }␊ |
244 | ␉␉␉case kSMBTypeOemProcessorType:␊ |
245 | {␊ |
246 | #if !DEBUG_SMBIOS␊ |
247 | DBG("Type: %d, Length: %d, Handle: 0x%x\n", ␊ |
248 | structHeader->type, structHeader->length, structHeader->handle);␊ |
249 | #endif␊ |
250 | ␉␉␉␉decodeOemProcessorType((SMBOemProcessorType *)structHeader);␊ |
251 | ␉␉␉␉break;␊ |
252 | }␊ |
253 | ␉␉␉case kSMBTypeOemProcessorBusSpeed:␊ |
254 | {␊ |
255 | #if !DEBUG_SMBIOS ␊ |
256 | DBG("Type: %d, Length: %d, Handle: 0x%x\n", ␊ |
257 | structHeader->type, structHeader->length, structHeader->handle);␊ |
258 | #endif␊ |
259 | ␉␉␉␉if (((SMBOemProcessorBusSpeed *)structHeader)->ProcessorBusSpeed)␊ |
260 | ␉␉␉␉decodeOemProcessorBusSpeed((SMBOemProcessorBusSpeed *)structHeader);␊ |
261 | ␉␉␉␉break;␊ |
262 | }␊ |
263 | ␉␉␉case kSMBTypeEndOfTable:␊ |
264 | ␉␉␉␉/* Skip, to be added at the end */␊ |
265 | ␉␉␉␉break;␊ |
266 | ␊ |
267 | ␉␉␉default:␊ |
268 | ␉␉␉␉break;␊ |
269 | ␉␉}␊ |
270 | ␊ |
271 | ␉␉ptr = (uint8_t *)((uint32_t)structHeader + structHeader->length);␊ |
272 | ␉␉for (; ((uint16_t *)ptr)[0] != 0; ptr++);␊ |
273 | ␊ |
274 | ␉␉if (((uint16_t *)ptr)[0] == 0)␊ |
275 | ␉␉␉ptr += 2;␊ |
276 | ␊ |
277 | ␉␉structHeader = (SMBStructHeader *)ptr;␊ |
278 | ␉}␊ |
279 | ␉DBG("\n");␊ |
280 | }␊ |
281 | ␊ |
282 | |