1 /** @file 2 3 Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR> 4 This program and the accompanying materials 5 are licensed and made available under the terms and conditions of the BSD License 6 which accompanies this distribution. The full text of the license may be found at 7 http://opensource.org/licenses/bsd-license.php 8 9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 11 12 Module Name: 13 14 SmbiosGen.c 15 16 Abstract: 17 18 **/ 19 20 #include "SmbiosGen.h" 21 extern UINT8 SmbiosGenDxeStrings[]; 22 EFI_SMBIOS_PROTOCOL *gSmbios; 23 EFI_HII_HANDLE gStringHandle; 24 25 VOID * 26 GetSmbiosTablesFromHob ( 27 VOID 28 ) 29 { 30 EFI_PHYSICAL_ADDRESS *Table; 31 EFI_PEI_HOB_POINTERS GuidHob; 32 33 GuidHob.Raw = GetFirstGuidHob (&gEfiSmbiosTableGuid); 34 if (GuidHob.Raw != NULL) { 35 Table = GET_GUID_HOB_DATA (GuidHob.Guid); 36 if (Table != NULL) { 37 return (VOID *)(UINTN)*Table; 38 } 39 } 40 41 return NULL; 42 } 43 44 45 VOID 46 InstallProcessorSmbios ( 47 IN VOID *Smbios 48 ) 49 { 50 SMBIOS_STRUCTURE_POINTER SmbiosTable; 51 CHAR8 *AString; 52 CHAR16 *UString; 53 STRING_REF Token; 54 55 // 56 // Processor info (TYPE 4) 57 // 58 SmbiosTable = GetSmbiosTableFromType ((SMBIOS_TABLE_ENTRY_POINT *)Smbios, 4, 0); 59 if (SmbiosTable.Raw == NULL) { 60 DEBUG ((EFI_D_ERROR, "SmbiosTable: Type 4 (Processor Info) not found!\n")); 61 return ; 62 } 63 64 // 65 // Log Smbios Record Type4 66 // 67 LogSmbiosData(gSmbios,(UINT8*)SmbiosTable.Type4); 68 69 // 70 // Set ProcessorVersion string 71 // 72 AString = GetSmbiosString (SmbiosTable, SmbiosTable.Type4->ProcessorVersion); 73 UString = AllocateZeroPool ((AsciiStrLen(AString) + 1) * sizeof(CHAR16)); 74 ASSERT (UString != NULL); 75 AsciiStrToUnicodeStr (AString, UString); 76 77 Token = HiiSetString (gStringHandle, 0, UString, NULL); 78 if (Token == 0) { 79 gBS->FreePool (UString); 80 return ; 81 } 82 gBS->FreePool (UString); 83 return ; 84 } 85 86 VOID 87 InstallCacheSmbios ( 88 IN VOID *Smbios 89 ) 90 { 91 return ; 92 } 93 94 VOID 95 InstallMemorySmbios ( 96 IN VOID *Smbios 97 ) 98 { 99 SMBIOS_STRUCTURE_POINTER SmbiosTable; 100 101 // 102 // Generate Memory Array Mapped Address info (TYPE 19) 103 // 104 SmbiosTable = GetSmbiosTableFromType ((SMBIOS_TABLE_ENTRY_POINT *)Smbios, 19, 0); 105 if (SmbiosTable.Raw == NULL) { 106 DEBUG ((EFI_D_ERROR, "SmbiosTable: Type 19 (Memory Array Mapped Address Info) not found!\n")); 107 return ; 108 } 109 110 // 111 // Record Smbios Type 19 112 // 113 LogSmbiosData(gSmbios, (UINT8*)SmbiosTable.Type19); 114 return ; 115 } 116 117 VOID 118 InstallMiscSmbios ( 119 IN VOID *Smbios 120 ) 121 { 122 SMBIOS_STRUCTURE_POINTER SmbiosTable; 123 CHAR8 *AString; 124 CHAR16 *UString; 125 STRING_REF Token; 126 127 // 128 // BIOS information (TYPE 0) 129 // 130 SmbiosTable = GetSmbiosTableFromType ((SMBIOS_TABLE_ENTRY_POINT *)Smbios, 0, 0); 131 if (SmbiosTable.Raw == NULL) { 132 DEBUG ((EFI_D_ERROR, "SmbiosTable: Type 0 (BIOS Information) not found!\n")); 133 return ; 134 } 135 136 // 137 // Record Type 2 138 // 139 AString = GetSmbiosString (SmbiosTable, SmbiosTable.Type0->BiosVersion); 140 UString = AllocateZeroPool ((AsciiStrLen(AString) + 1) * sizeof(CHAR16) + sizeof(FIRMWARE_BIOS_VERSIONE)); 141 ASSERT (UString != NULL); 142 CopyMem (UString, FIRMWARE_BIOS_VERSIONE, sizeof(FIRMWARE_BIOS_VERSIONE)); 143 AsciiStrToUnicodeStr (AString, UString + sizeof(FIRMWARE_BIOS_VERSIONE) / sizeof(CHAR16) - 1); 144 145 Token = HiiSetString (gStringHandle, 0, UString, NULL); 146 if (Token == 0) { 147 gBS->FreePool (UString); 148 return ; 149 } 150 gBS->FreePool (UString); 151 152 // 153 // Log Smios Type 0 154 // 155 LogSmbiosData(gSmbios, (UINT8*)SmbiosTable.Type0); 156 157 // 158 // System information (TYPE 1) 159 // 160 SmbiosTable = GetSmbiosTableFromType ((SMBIOS_TABLE_ENTRY_POINT *)Smbios, 1, 0); 161 if (SmbiosTable.Raw == NULL) { 162 DEBUG ((EFI_D_ERROR, "SmbiosTable: Type 1 (System Information) not found!\n")); 163 return ; 164 } 165 166 // 167 // Record Type 3 168 // 169 AString = GetSmbiosString (SmbiosTable, SmbiosTable.Type1->ProductName); 170 UString = AllocateZeroPool ((AsciiStrLen(AString) + 1) * sizeof(CHAR16) + sizeof(FIRMWARE_PRODUCT_NAME)); 171 ASSERT (UString != NULL); 172 CopyMem (UString, FIRMWARE_PRODUCT_NAME, sizeof(FIRMWARE_PRODUCT_NAME)); 173 AsciiStrToUnicodeStr (AString, UString + sizeof(FIRMWARE_PRODUCT_NAME) / sizeof(CHAR16) - 1); 174 175 Token = HiiSetString (gStringHandle, 0, UString, NULL); 176 if (Token == 0) { 177 gBS->FreePool (UString); 178 return ; 179 } 180 gBS->FreePool (UString); 181 182 // 183 // Log Smbios Type 1 184 // 185 LogSmbiosData(gSmbios, (UINT8*)SmbiosTable.Type1); 186 187 return ; 188 } 189 190 EFI_STATUS 191 EFIAPI 192 SmbiosGenEntrypoint ( 193 IN EFI_HANDLE ImageHandle, 194 IN EFI_SYSTEM_TABLE *SystemTable 195 ) 196 { 197 EFI_STATUS Status; 198 VOID *Smbios; 199 200 Smbios = GetSmbiosTablesFromHob (); 201 if (Smbios == NULL) { 202 return EFI_NOT_FOUND; 203 } 204 205 Status = gBS->LocateProtocol ( 206 &gEfiSmbiosProtocolGuid, 207 NULL, 208 (VOID**)&gSmbios 209 ); 210 if (EFI_ERROR (Status)) { 211 return Status; 212 } 213 214 gStringHandle = HiiAddPackages ( 215 &gEfiCallerIdGuid, 216 NULL, 217 SmbiosGenDxeStrings, 218 NULL 219 ); 220 ASSERT (gStringHandle != NULL); 221 222 InstallProcessorSmbios (Smbios); 223 InstallCacheSmbios (Smbios); 224 InstallMemorySmbios (Smbios); 225 InstallMiscSmbios (Smbios); 226 227 return EFI_SUCCESS; 228 } 229 230 // 231 // Internal function 232 // 233 234 UINTN 235 SmbiosTableLength ( 236 IN SMBIOS_STRUCTURE_POINTER SmbiosTable 237 ) 238 { 239 CHAR8 *AChar; 240 UINTN Length; 241 242 AChar = (CHAR8 *)(SmbiosTable.Raw + SmbiosTable.Hdr->Length); 243 while ((*AChar != 0) || (*(AChar + 1) != 0)) { 244 AChar ++; 245 } 246 Length = ((UINTN)AChar - (UINTN)SmbiosTable.Raw + 2); 247 248 return Length; 249 } 250 251 SMBIOS_STRUCTURE_POINTER 252 GetSmbiosTableFromType ( 253 IN SMBIOS_TABLE_ENTRY_POINT *Smbios, 254 IN UINT8 Type, 255 IN UINTN Index 256 ) 257 { 258 SMBIOS_STRUCTURE_POINTER SmbiosTable; 259 UINTN SmbiosTypeIndex; 260 261 SmbiosTypeIndex = 0; 262 SmbiosTable.Raw = (UINT8 *)(UINTN)Smbios->TableAddress; 263 if (SmbiosTable.Raw == NULL) { 264 return SmbiosTable; 265 } 266 while ((SmbiosTypeIndex != Index) || (SmbiosTable.Hdr->Type != Type)) { 267 if (SmbiosTable.Hdr->Type == 127) { 268 SmbiosTable.Raw = NULL; 269 return SmbiosTable; 270 } 271 if (SmbiosTable.Hdr->Type == Type) { 272 SmbiosTypeIndex ++; 273 } 274 SmbiosTable.Raw = (UINT8 *)(SmbiosTable.Raw + SmbiosTableLength (SmbiosTable)); 275 } 276 277 return SmbiosTable; 278 } 279 280 CHAR8 * 281 GetSmbiosString ( 282 IN SMBIOS_STRUCTURE_POINTER SmbiosTable, 283 IN SMBIOS_TABLE_STRING String 284 ) 285 { 286 CHAR8 *AString; 287 UINT8 Index; 288 289 Index = 1; 290 AString = (CHAR8 *)(SmbiosTable.Raw + SmbiosTable.Hdr->Length); 291 while (Index != String) { 292 while (*AString != 0) { 293 AString ++; 294 } 295 AString ++; 296 if (*AString == 0) { 297 return AString; 298 } 299 Index ++; 300 } 301 302 return AString; 303 } 304 305 306 /** 307 Logs SMBIOS record. 308 309 @param Smbios Pointer to SMBIOS protocol instance. 310 @param Buffer Pointer to the data buffer. 311 312 **/ 313 VOID 314 LogSmbiosData ( 315 IN EFI_SMBIOS_PROTOCOL *Smbios, 316 IN UINT8 *Buffer 317 ) 318 { 319 EFI_STATUS Status; 320 EFI_SMBIOS_HANDLE SmbiosHandle; 321 322 SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED; 323 Status = Smbios->Add ( 324 Smbios, 325 NULL, 326 &SmbiosHandle, 327 (EFI_SMBIOS_TABLE_HEADER*)Buffer 328 ); 329 ASSERT_EFI_ERROR (Status); 330 } 331
