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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␊
24//extern char *getSMBStringForField(SMBStructHeader *structHeader, uint8_t field);␊
25static void decodeBIOSInformation(SMBBIOSInformation *structHeader);␊
26static void decodeSystemInformation(SMBSystemInformation *structHeader);␊
27static void decodeBaseBoard(SMBBaseBoard *structHeader);␊
28static void decodeSystemEnclosure(SMBSystemEnclosure *structHeader);␊
29static void decodeProcessorInformation(SMBProcessorInformation *structHeader);␊
30static void decodeMemoryDevice(SMBMemoryDevice *structHeader);␊
31static void decodeOemProcessorType(SMBOemProcessorType *structHeader);␊
32static void decodeOemProcessorBusSpeed(SMBOemProcessorBusSpeed *structHeader);␊
33␊
34//-------------------------------------------------------------------------------------------------------------------------␊
35// BIOSInformation␊
36//-------------------------------------------------------------------------------------------------------------------------␊
37static void decodeBIOSInformation(SMBBIOSInformation *structHeader)␊
38{␊
39␉DBG("BIOSInformation:\n");␊
40␉DBG("\tvendor: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->vendor));␊
41␉DBG("\tversion: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->version));␊
42␉DBG("\treleaseDate: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->releaseDate));␊
43␉DBG("\n");␊
44}␊
45␊
46//-------------------------------------------------------------------------------------------------------------------------␊
47// SystemInformation␊
48//-------------------------------------------------------------------------------------------------------------------------␊
49static void decodeSystemInformation(SMBSystemInformation *structHeader)␊
50{␊
51␉DBG("SystemInformation:\n");␊
52␉DBG("\tmanufacturer: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->manufacturer));␊
53␉DBG("\tproductName: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->productName));␊
54␉DBG("\tversion: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->version));␊
55␉DBG("\tserialNumber: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->serialNumber));␊
56␊
57␉if (minorVersion < 1 || structHeader->header.length < 25)␊
58␉␉return;␊
59␉uint8_t *uuid = structHeader->uuid;␊
60␉DBG("\tuuid: %02X%02X%02X%02X-%02X%02X-%02X%02X-%02x%02X-%02X%02X%02X%02X%02X%02X\n",␊
61␉␉uuid[0], uuid[1], uuid[2], uuid[3], ␊
62␉␉uuid[4], uuid[5], ␊
63␉␉uuid[6], uuid[7], ␊
64␉␉uuid[8], uuid[9], ␊
65␉␉uuid[10], uuid[11], uuid[12], uuid[13], uuid[14], uuid[15]);␊
66␉DBG("\twakeupReason: 0x%x\n", structHeader->wakeupReason);␊
67␊
68␉if (minorVersion < 4 || structHeader->header.length < 27)␊
69␉␉return;␊
70␉DBG("\tskuNumber: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->skuNumber));␊
71␉DBG("\tfamily: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->family));␊
72␉DBG("\n");␊
73}␊
74␊
75//-------------------------------------------------------------------------------------------------------------------------␊
76// BaseBoard␊
77//-------------------------------------------------------------------------------------------------------------------------␊
78static void decodeBaseBoard(SMBBaseBoard *structHeader)␊
79{␊
80␉DBG("BaseBoard:\n");␊
81␉DBG("\tmanufacturer: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->manufacturer));␊
82␉DBG("\tproduct: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->product));␊
83␉DBG("\tversion: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->version));␊
84␉DBG("\tserialNumber: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->serialNumber));␊
85␉DBG("\tassetTagNumber: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->assetTagNumber));␊
86␉DBG("\tlocationInChassis: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->locationInChassis));␊
87␉DBG("\tboardType: 0x%X\n", structHeader->boardType);␊
88␉DBG("\n");␊
89}␊
90␊
91//-------------------------------------------------------------------------------------------------------------------------␊
92// SystemEnclosure␊
93//-------------------------------------------------------------------------------------------------------------------------␊
94static void decodeSystemEnclosure(SMBSystemEnclosure *structHeader)␊
95{␊
96␉DBG("SystemEnclosure:\n");␊
97␉DBG("\tmanufacturer: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->manufacturer));␊
98␉DBG("\ttype: %d\n", structHeader->type);␊
99␉DBG("\tversion: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->version));␊
100␉DBG("\tserialNumber: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->serialNumber));␊
101␉DBG("\tassetTagNumber: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->assetTagNumber));␊
102␉DBG("\n");␊
103}␊
104␊
105//-------------------------------------------------------------------------------------------------------------------------␊
106// ProcessorInformation␊
107//-------------------------------------------------------------------------------------------------------------------------␊
108static void decodeProcessorInformation(SMBProcessorInformation *structHeader)␊
109{␊
110␉DBG("ProcessorInformation:\n");␊
111␉DBG("\tsocketDesignation: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->socketDesignation));␊
112␉DBG("\tprocessorType: %d\n", structHeader->processorType);␊
113␉DBG("\tprocessorFamily: 0x%X\n", structHeader->processorFamily);␊
114␉DBG("\tmanufacturer: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->manufacturer));␊
115␉DBG("\tprocessorID: 0x%llX\n", structHeader->processorID);␊
116␉DBG("\tprocessorVersion: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->processorVersion));␊
117␉DBG("\texternalClock: %dMHz\n", structHeader->externalClock);␊
118␉DBG("\tmaximumClock: %dMHz\n", structHeader->maximumClock);␊
119␉DBG("\tcurrentClock: %dMHz\n", structHeader->currentClock);␊
120␊
121␉if (minorVersion < 3 || structHeader->header.length < 35)␊
122␉␉return;␊
123␉DBG("\tserialNumber: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->serialNumber));␊
124␉DBG("\tassetTag: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->assetTag));␊
125␉DBG("\tpartNumber: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->partNumber));␊
126␉DBG("\n");␊
127}␊
128␊
129//-------------------------------------------------------------------------------------------------------------------------␊
130// MemoryDevice␊
131//-------------------------------------------------------------------------------------------------------------------------␊
132static void decodeMemoryDevice(SMBMemoryDevice *structHeader)␊
133{␊
134␉DBG("MemoryDevice:\n");␊
135␉DBG("\tdeviceLocator: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->deviceLocator));␊
136␉DBG("\tbankLocator: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->bankLocator));␊
137␉DBG("\tmemoryType: %s\n", SMBMemoryDeviceTypes[structHeader->memoryType]);␊
138␊
139␉if (minorVersion < 3 || structHeader->header.length < 27)␊
140␉␉return;␊
141␉DBG("\tmemorySpeed: %dMHz\n", structHeader->memorySpeed);␊
142␉DBG("\tmanufacturer: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->manufacturer));␊
143␉DBG("\tserialNumber: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->serialNumber));␊
144␉DBG("\tassetTag: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->assetTag));␊
145␉DBG("\tpartNumber: %s\n", getSMBStringForField((SMBStructHeader *)structHeader, structHeader->partNumber));␊
146␉DBG("\n");␊
147}␊
148␊
149//-------------------------------------------------------------------------------------------------------------------------␊
150// Apple Specific␊
151//-------------------------------------------------------------------------------------------------------------------------␊
152static void decodeOemProcessorType(SMBOemProcessorType *structHeader)␊
153{␊
154␉DBG("AppleProcessorType:\n");␊
155␉DBG("\tProcessorType: 0x%x\n", ((SMBOemProcessorType *)structHeader)->ProcessorType);␊
156␉DBG("\n");␊
157}␊
158␊
159static void decodeOemProcessorBusSpeed(SMBOemProcessorBusSpeed *structHeader)␊
160{␊
161␉DBG("AppleProcessorBusSpeed:\n");␊
162␉DBG("\tProcessorBusSpeed (QPI): %d.%dGT/s\n", ␊
163␉␉␉((SMBOemProcessorBusSpeed *)structHeader)->ProcessorBusSpeed / 1000, ␊
164␉␉␉(((SMBOemProcessorBusSpeed *)structHeader)->ProcessorBusSpeed / 100) % 10);␊
165␉DBG("\n");␊
166}␊
167//-------------------------------------------------------------------------------------------------------------------------␊
168␊
169␊
170void decodeSMBIOSTable(SMBEntryPoint *eps)␊
171{␊
172␉uint8_t *ptr = (uint8_t *)eps->dmi.tableAddress;␊
173␉SMBStructHeader *structHeader = (SMBStructHeader *)ptr;␊
174␊
175␉minorVersion = eps->minorVersion;␊
176␊
177␉DBG("\n");␊
178␉for (;((eps->dmi.tableAddress + eps->dmi.tableLength) > ((uint32_t)(uint8_t *)structHeader + sizeof(SMBStructHeader)));)␊
179␉{␊
180#if DEBUG_SMBIOS␊
181␉␉DBG("Type: %d, Length: %d, Handle: 0x%x\n", ␊
182␉␉␉␉structHeader->type, structHeader->length, structHeader->handle);␊
183#endif␊
184␉␉switch (structHeader->type)␊
185␉␉{␊
186␉␉␉case kSMBTypeBIOSInformation:␊
187 {␊
188#if !DEBUG_SMBIOS␊
189 DBG("Type: %d, Length: %d, Handle: 0x%x\n", ␊
190 structHeader->type, structHeader->length, structHeader->handle);␊
191#endif␊
192␉␉␉␉decodeBIOSInformation((SMBBIOSInformation *)structHeader);␊
193␉␉␉␉break;␊
194 }␊
195␉␉␉case kSMBTypeSystemInformation:␊
196 {␊
197#if !DEBUG_SMBIOS␊
198 DBG("Type: %d, Length: %d, Handle: 0x%x\n", ␊
199 structHeader->type, structHeader->length, structHeader->handle);␊
200#endif␊
201␉␉␉␉decodeSystemInformation((SMBSystemInformation *)structHeader);␊
202␉␉␉␉break;␊
203 }␊
204␉␉␉case kSMBTypeBaseBoard:␊
205 {␊
206#if !DEBUG_SMBIOS␊
207 DBG("Type: %d, Length: %d, Handle: 0x%x\n", ␊
208 structHeader->type, structHeader->length, structHeader->handle);␊
209#endif␊
210␉␉␉␉decodeBaseBoard((SMBBaseBoard *)structHeader);␊
211␉␉␉␉break;␊
212 }␊
213␉␉␉case kSMBTypeSystemEnclosure:␊
214 {␊
215#if !DEBUG_SMBIOS␊
216 DBG("Type: %d, Length: %d, Handle: 0x%x\n", ␊
217 structHeader->type, structHeader->length, structHeader->handle);␊
218#endif␊
219␉␉␉␉decodeSystemEnclosure((SMBSystemEnclosure *)structHeader);␊
220␉␉␉␉break;␊
221 }␊
222␉␉␉case kSMBTypeProcessorInformation:␊
223 {␊
224#if !DEBUG_SMBIOS␊
225 DBG("Type: %d, Length: %d, Handle: 0x%x\n", ␊
226 structHeader->type, structHeader->length, structHeader->handle);␊
227#endif␊
228␉␉␉␉decodeProcessorInformation((SMBProcessorInformation *)structHeader);␊
229␉␉␉␉break;␊
230 }␊
231␉␉␉case kSMBTypeMemoryDevice:␊
232 {␊
233#if !DEBUG_SMBIOS␊
234 DBG("Type: %d, Length: %d, Handle: 0x%x\n", ␊
235 structHeader->type, structHeader->length, structHeader->handle);␊
236#endif␊
237␉␉␉␉decodeMemoryDevice((SMBMemoryDevice *)structHeader);␊
238␉␉␉␉break;␊
239␊
240␉␉␉/* Skip all Apple Specific Structures */␊
241␉␉␉case kSMBTypeFirmwareVolume:␊
242␉␉␉case kSMBTypeMemorySPD:␊
243␉␉␉␉break;␊
244 }␊
245␉␉␉case kSMBTypeOemProcessorType:␊
246 {␊
247#if !DEBUG_SMBIOS␊
248 DBG("Type: %d, Length: %d, Handle: 0x%x\n", ␊
249 structHeader->type, structHeader->length, structHeader->handle);␊
250#endif␊
251␉␉␉␉decodeOemProcessorType((SMBOemProcessorType *)structHeader);␊
252␉␉␉␉break;␊
253 }␊
254␉␉␉case kSMBTypeOemProcessorBusSpeed:␊
255 {␊
256#if !DEBUG_SMBIOS ␊
257 DBG("Type: %d, Length: %d, Handle: 0x%x\n", ␊
258 structHeader->type, structHeader->length, structHeader->handle);␊
259#endif␊
260␉␉␉␉if (((SMBOemProcessorBusSpeed *)structHeader)->ProcessorBusSpeed)␊
261␉␉␉␉decodeOemProcessorBusSpeed((SMBOemProcessorBusSpeed *)structHeader);␊
262␉␉␉␉break;␊
263 }␊
264␉␉␉case kSMBTypeEndOfTable:␊
265␉␉␉␉/* Skip, to be added at the end */␊
266␉␉␉␉break;␊
267␊
268␉␉␉default:␊
269␉␉␉␉break;␊
270␉␉}␊
271␊
272␉␉ptr = (uint8_t *)((uint32_t)structHeader + structHeader->length);␊
273␉␉for (; ((uint16_t *)ptr)[0] != 0; ptr++);␊
274␊
275␉␉if (((uint16_t *)ptr)[0] == 0)␊
276␉␉␉ptr += 2;␊
277␊
278␉␉structHeader = (SMBStructHeader *)ptr;␊
279␉}␊
280␉DBG("\n");␊
281}␊
282␊
283

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