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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 "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␊
21static const char *␊
22SMBMemoryDeviceTypes[] =␊
23{␊
24 "RAM", /* 00h Undefined */␊
25 "RAM", /* 01h Other */␊
26 "RAM", /* 02h Unknown */␊
27 "DRAM", /* 03h DRAM */␊
28 "EDRAM", /* 04h EDRAM */␊
29 "VRAM", /* 05h VRAM */␊
30 "SRAM", /* 06h SRAM */␊
31 "RAM", /* 07h RAM */␊
32 "ROM", /* 08h ROM */␊
33 "FLASH", /* 09h FLASH */␊
34 "EEPROM", /* 0Ah EEPROM */␊
35 "FEPROM", /* 0Bh FEPROM */␊
36 "EPROM", /* 0Ch EPROM */␊
37 "CDRAM", /* 0Dh CDRAM */␊
38 "3DRAM", /* 0Eh 3DRAM */␊
39 "SDRAM", /* 0Fh SDRAM */␊
40 "SGRAM", /* 10h SGRAM */␊
41 "RDRAM", /* 11h RDRAM */␊
42 "DDR SDRAM", /* 12h DDR */␊
43 "DDR2 SDRAM", /* 13h DDR2 */␊
44 "DDR2 FB-DIMM", /* 14h DDR2 FB-DIMM */␊
45 "RAM",␉␉␉/* 15h unused */␊
46 "RAM",␉␉␉/* 16h unused */␊
47 "RAM",␉␉␉/* 17h unused */␊
48 "DDR3",␉␉␉/* 18h DDR3, chosen in [5776134] */␊
49};␊
50␊
51static const int␊
52kSMBMemoryDeviceTypeCount = sizeof(SMBMemoryDeviceTypes) /␊
53sizeof(SMBMemoryDeviceTypes[0]);␊
54␊
55static SMBWord minorVersion;␊
56␊
57extern char *getSMBStringForField(SMBStructHeader *structHeader, uint8_t field);␊
58␊
59//-------------------------------------------------------------------------------------------------------------------------␊
60// BIOSInformation␊
61//-------------------------------------------------------------------------------------------------------------------------␊
62void 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//-------------------------------------------------------------------------------------------------------------------------␊
74void 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//-------------------------------------------------------------------------------------------------------------------------␊
103void 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//-------------------------------------------------------------------------------------------------------------------------␊
119void 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//-------------------------------------------------------------------------------------------------------------------------␊
133void 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//-------------------------------------------------------------------------------------------------------------------------␊
157void 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//-------------------------------------------------------------------------------------------------------------------------␊
177void decodeOemProcessorType(SMBOemProcessorType *structHeader)␊
178{␊
179␉DBG("AppleProcessorType:\n");␊
180␉DBG("\tProcessorType: 0x%x\n", ((SMBOemProcessorType *)structHeader)->ProcessorType);␊
181␉DBG("\n");␊
182}␊
183␊
184void 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␊
195void 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

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