/** @file\r
\r
-Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>\r
\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions\r
\r
extern BBS_TABLE *mBbsTable;\r
\r
+extern VOID *mRuntimeSmbiosEntryPoint;\r
+extern EFI_PHYSICAL_ADDRESS mReserveSmbiosEntryPoint;\r
+extern EFI_PHYSICAL_ADDRESS mStructureTableAddress;\r
+\r
/**\r
Print the BBS Table.\r
\r
return EFI_SUCCESS;\r
}\r
\r
+/**\r
+ Copy SMBIOS table to EfiReservedMemoryType of memory for legacy boot.\r
+\r
+**/\r
+VOID\r
+CreateSmbiosTableInReservedMemory (\r
+ VOID\r
+ )\r
+{\r
+ SMBIOS_TABLE_ENTRY_POINT *EntryPointStructure;\r
+ \r
+ if ((mRuntimeSmbiosEntryPoint == NULL) || \r
+ (mReserveSmbiosEntryPoint == 0) || \r
+ (mStructureTableAddress == 0)) {\r
+ return;\r
+ }\r
+ \r
+ EntryPointStructure = (SMBIOS_TABLE_ENTRY_POINT *) mRuntimeSmbiosEntryPoint;\r
+ \r
+ //\r
+ // Copy SMBIOS Entry Point Structure\r
+ //\r
+ CopyMem (\r
+ (VOID *)(UINTN) mReserveSmbiosEntryPoint,\r
+ EntryPointStructure,\r
+ EntryPointStructure->EntryPointLength\r
+ );\r
+ \r
+ //\r
+ // Copy SMBIOS Structure Table into EfiReservedMemoryType memory\r
+ //\r
+ CopyMem (\r
+ (VOID *)(UINTN) mStructureTableAddress,\r
+ (VOID *)(UINTN) EntryPointStructure->TableAddress,\r
+ EntryPointStructure->TableLength\r
+ );\r
+ \r
+ //\r
+ // Update TableAddress in Entry Point Structure\r
+ //\r
+ EntryPointStructure = (SMBIOS_TABLE_ENTRY_POINT *)(UINTN) mReserveSmbiosEntryPoint;\r
+ EntryPointStructure->TableAddress = (UINT32)(UINTN) mStructureTableAddress;\r
+ \r
+ //\r
+ // Fixup checksums in the Entry Point Structure\r
+ //\r
+ EntryPointStructure->IntermediateChecksum = 0;\r
+ EntryPointStructure->EntryPointStructureChecksum = 0;\r
+\r
+ EntryPointStructure->IntermediateChecksum = \r
+ CalculateCheckSum8 (\r
+ (UINT8 *) EntryPointStructure + OFFSET_OF (SMBIOS_TABLE_ENTRY_POINT, IntermediateAnchorString), \r
+ EntryPointStructure->EntryPointLength - OFFSET_OF (SMBIOS_TABLE_ENTRY_POINT, IntermediateAnchorString)\r
+ );\r
+ EntryPointStructure->EntryPointStructureChecksum =\r
+ CalculateCheckSum8 ((UINT8 *) EntryPointStructure, EntryPointStructure->EntryPointLength);\r
+}\r
\r
/**\r
Assign drive number to legacy HDD drives prior to booting an EFI\r
EFI_HANDLE IdeController;\r
UINTN HandleCount;\r
EFI_HANDLE *HandleBuffer;\r
- VOID *SmbiosTable;\r
VOID *AcpiTable;\r
UINTN ShadowAddress;\r
UINT32 Granularity;\r
);\r
Private->Legacy16Table->E820Length = (UINT32) CopySize;\r
}\r
- //\r
- // Get SMBIOS and ACPI table pointers\r
- //\r
- SmbiosTable = NULL;\r
- EfiGetSystemConfigurationTable (\r
- &gEfiSmbiosTableGuid,\r
- &SmbiosTable\r
- );\r
+\r
//\r
// We do not ASSERT if SmbiosTable not found. It is possbile that a platform does not produce SmbiosTable.\r
//\r
- if (SmbiosTable == NULL) {\r
+ if (mReserveSmbiosEntryPoint == 0) {\r
DEBUG ((EFI_D_INFO, "Smbios table is not found!\n"));\r
}\r
- EfiToLegacy16BootTable->SmbiosTable = (UINT32)(UINTN)SmbiosTable;\r
+ CreateSmbiosTableInReservedMemory ();\r
+ EfiToLegacy16BootTable->SmbiosTable = (UINT32)(UINTN)mReserveSmbiosEntryPoint;\r
\r
AcpiTable = NULL;\r
Status = EfiGetSystemConfigurationTable (\r