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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␊
22static SMBWord minorVersion;␊
23␊
24static void decodeBIOSInformation(SMBBIOSInformation *structHeader);␊
25static void decodeSystemInformation(SMBSystemInformation *structHeader);␊
26static void decodeBaseBoard(SMBBaseBoard *structHeader);␊
27static void decodeSystemEnclosure(SMBSystemEnclosure *structHeader);␊
28static void decodeProcessorInformation(SMBProcessorInformation *structHeader);␊
29static void decodeMemoryDevice(SMBMemoryDevice *structHeader);␊
30static void decodeOemProcessorType(SMBOemProcessorType *structHeader);␊
31static void decodeOemProcessorBusSpeed(SMBOemProcessorBusSpeed *structHeader);␊
32␊
33//-------------------------------------------------------------------------------------------------------------------------␊
34// BIOSInformation␊
35//-------------------------------------------------------------------------------------------------------------------------␊
36static 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//-------------------------------------------------------------------------------------------------------------------------␊
48static 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//-------------------------------------------------------------------------------------------------------------------------␊
77static 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//-------------------------------------------------------------------------------------------------------------------------␊
93static 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//-------------------------------------------------------------------------------------------------------------------------␊
107static 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//-------------------------------------------------------------------------------------------------------------------------␊
131static 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//-------------------------------------------------------------------------------------------------------------------------␊
151static void decodeOemProcessorType(SMBOemProcessorType *structHeader)␊
152{␊
153␉DBG("AppleProcessorType:\n");␊
154␉DBG("\tProcessorType: 0x%x\n", ((SMBOemProcessorType *)structHeader)->ProcessorType);␊
155␉DBG("\n");␊
156}␊
157␊
158static 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␊
169void 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

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