diff options
Diffstat (limited to 'Vlv2TbltDevicePkg/SmBiosMiscDxe/MiscProcessorCacheFunction.c')
| -rw-r--r-- | Vlv2TbltDevicePkg/SmBiosMiscDxe/MiscProcessorCacheFunction.c | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/Vlv2TbltDevicePkg/SmBiosMiscDxe/MiscProcessorCacheFunction.c b/Vlv2TbltDevicePkg/SmBiosMiscDxe/MiscProcessorCacheFunction.c new file mode 100644 index 0000000000..cbed988b13 --- /dev/null +++ b/Vlv2TbltDevicePkg/SmBiosMiscDxe/MiscProcessorCacheFunction.c @@ -0,0 +1,202 @@ +/*++
+
+Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
+
+ This program and the accompanying materials are licensed and made available under
+ the terms and conditions of the BSD License that accompanies this distribution.
+ The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php.
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+
+
+Module Name:
+
+ MiscProcessorCacheFunction.c
+
+Abstract:
+
+ BIOS processor cache details.
+ Misc. subclass type 7.
+ SMBIOS type 7.
+
+--*/
+#include "CommonHeader.h"
+#include "MiscSubclassDriver.h"
+#include <Protocol/DataHub.h>
+#include <Guid/DataHubRecords.h>
+
+
+extern SMBIOS_TABLE_TYPE7 *SmbiosRecordL1;
+extern SMBIOS_TABLE_TYPE7 *SmbiosRecordL2;
+extern SMBIOS_TABLE_TYPE7 *SmbiosRecordL3;
+
+
+UINT32
+ConvertBase2ToRaw (
+ IN EFI_EXP_BASE2_DATA *Data)
+{
+ UINTN Index;
+ UINT32 RawData;
+
+ RawData = Data->Value;
+ for (Index = 0; Index < (UINTN) Data->Exponent; Index++) {
+ RawData <<= 1;
+ }
+
+ return RawData;
+}
+
+
+MISC_SMBIOS_TABLE_FUNCTION(MiscProcessorCache)
+{
+ EFI_SMBIOS_HANDLE SmbiosHandle;
+ SMBIOS_TABLE_TYPE7 *SmbiosRecordL1;
+ SMBIOS_TABLE_TYPE7 *SmbiosRecordL2;
+
+ EFI_CACHE_SRAM_TYPE_DATA CacheSramType;
+ CHAR16 *SocketDesignation;
+ CHAR8 *OptionalStrStart;
+ UINTN SocketStrLen;
+ STRING_REF TokenToGet;
+ EFI_DATA_HUB_PROTOCOL *DataHub;
+ UINT64 MonotonicCount;
+ EFI_DATA_RECORD_HEADER *Record;
+ EFI_SUBCLASS_TYPE1_HEADER *DataHeader;
+ UINT8 *SrcData;
+ UINT32 SrcDataSize;
+ EFI_STATUS Status;
+
+ //
+ // Memory Device LOcator
+ //
+ DEBUG ((EFI_D_ERROR, "type 7\n"));
+
+ TokenToGet = STRING_TOKEN (STR_SOCKET_DESIGNATION);
+ SocketDesignation = SmbiosMiscGetString (TokenToGet);
+ SocketStrLen = StrLen(SocketDesignation);
+ if (SocketStrLen > SMBIOS_STRING_MAX_LENGTH) {
+ return EFI_UNSUPPORTED;
+ }
+
+ SmbiosRecordL1 = AllocatePool(sizeof (SMBIOS_TABLE_TYPE7) + 7 + 1 + 1);
+ ASSERT (SmbiosRecordL1 != NULL);
+ ZeroMem(SmbiosRecordL1, sizeof (SMBIOS_TABLE_TYPE7) + 7 + 1 + 1);
+
+ SmbiosRecordL2 = AllocatePool(sizeof (SMBIOS_TABLE_TYPE7) + 7 + 1 + 1);
+ ASSERT (SmbiosRecordL2 != NULL);
+ ZeroMem(SmbiosRecordL2, sizeof (SMBIOS_TABLE_TYPE7) + 7 + 1 + 1);
+
+ //
+ // Get the Data Hub Protocol. Assume only one instance
+ //
+ Status = gBS->LocateProtocol (
+ &gEfiDataHubProtocolGuid,
+ NULL,
+ (VOID **)&DataHub
+ );
+ ASSERT_EFI_ERROR(Status);
+
+ MonotonicCount = 0;
+ Record = NULL;
+
+ do {
+ Status = DataHub->GetNextRecord (
+ DataHub,
+ &MonotonicCount,
+ NULL,
+ &Record
+ );
+ if (!EFI_ERROR(Status)) {
+ if (Record->DataRecordClass == EFI_DATA_RECORD_CLASS_DATA) {
+ DataHeader = (EFI_SUBCLASS_TYPE1_HEADER *)(Record + 1);
+ SrcData = (UINT8 *)(DataHeader + 1);
+ SrcDataSize = Record->RecordSize - Record->HeaderSize - sizeof (EFI_SUBCLASS_TYPE1_HEADER);
+ if (CompareGuid(&Record->DataRecordGuid, &gEfiCacheSubClassGuid) && (DataHeader->RecordType == CacheSizeRecordType)) {
+ if (DataHeader->SubInstance == EFI_CACHE_L1) {
+ SmbiosRecordL1->InstalledSize += (UINT16) (ConvertBase2ToRaw((EFI_EXP_BASE2_DATA *)SrcData) >> 10);
+ SmbiosRecordL1->MaximumCacheSize = SmbiosRecordL1->InstalledSize;
+ }
+ else if (DataHeader->SubInstance == EFI_CACHE_L2) {
+ SmbiosRecordL2->InstalledSize += (UINT16) (ConvertBase2ToRaw((EFI_EXP_BASE2_DATA *)SrcData) >> 10);
+ SmbiosRecordL2->MaximumCacheSize = SmbiosRecordL2->InstalledSize;
+ } else {
+ continue;
+ }
+ }
+ }
+ }
+ } while (!EFI_ERROR(Status) && (MonotonicCount != 0));
+
+ //
+ //Filling SMBIOS type 7 information for different cache levels.
+ //
+
+ SmbiosRecordL1->Hdr.Type = EFI_SMBIOS_TYPE_CACHE_INFORMATION;
+ SmbiosRecordL1->Hdr.Length = (UINT8) sizeof (SMBIOS_TABLE_TYPE7);
+ SmbiosRecordL1->Hdr.Handle = 0;
+
+ SmbiosRecordL1->Associativity = CacheAssociativity8Way;
+ SmbiosRecordL1->SystemCacheType = CacheTypeUnknown;
+ SmbiosRecordL1->SocketDesignation = 0x01;
+ SmbiosRecordL1->CacheSpeed = 0;
+ SmbiosRecordL1->CacheConfiguration = 0x0180;
+ ZeroMem (&CacheSramType, sizeof (EFI_CACHE_SRAM_TYPE_DATA));
+ CacheSramType.Synchronous = 1;
+ CopyMem(&SmbiosRecordL1->SupportedSRAMType, &CacheSramType, 2);
+ CopyMem(&SmbiosRecordL1->CurrentSRAMType, &CacheSramType, 2);
+ SmbiosRecordL1->ErrorCorrectionType = EfiCacheErrorSingleBit;
+
+
+ SmbiosRecordL2->Hdr.Type = EFI_SMBIOS_TYPE_CACHE_INFORMATION;
+ SmbiosRecordL2->Hdr.Length = (UINT8) sizeof (SMBIOS_TABLE_TYPE7);
+ SmbiosRecordL2->Hdr.Handle = 0;
+
+ SmbiosRecordL2->Associativity = CacheAssociativity16Way;
+ SmbiosRecordL2->SystemCacheType = CacheTypeInstruction;
+ SmbiosRecordL2->SocketDesignation = 0x01;
+ SmbiosRecordL2->CacheSpeed = 0;
+ SmbiosRecordL2->CacheConfiguration = 0x0281;
+ ZeroMem (&CacheSramType, sizeof (EFI_CACHE_SRAM_TYPE_DATA));
+ CacheSramType.Synchronous = 1;
+ CopyMem(&SmbiosRecordL2->SupportedSRAMType, &CacheSramType, 2);
+ CopyMem(&SmbiosRecordL2->CurrentSRAMType, &CacheSramType, 2);
+ SmbiosRecordL2->ErrorCorrectionType = EfiCacheErrorSingleBit;
+
+
+
+ //
+ //Adding SMBIOS type 7 records to SMBIOS table.
+ //
+ SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;
+ OptionalStrStart = (CHAR8 *)(SmbiosRecordL1 + 1);
+ UnicodeStrToAsciiStr(SocketDesignation, OptionalStrStart);
+
+ Smbios-> Add(
+ Smbios,
+ NULL,
+ &SmbiosHandle,
+ (EFI_SMBIOS_TABLE_HEADER *) SmbiosRecordL1
+ );
+
+ //
+ //VLV2 incorporates two SLM modules (quad cores) in the SoC. 2 cores share BIU/L2 cache
+ //
+ SmbiosRecordL2->InstalledSize = (SmbiosRecordL2->InstalledSize)/2;
+ SmbiosRecordL2->MaximumCacheSize = SmbiosRecordL2->InstalledSize;
+ SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;
+
+ OptionalStrStart = (CHAR8 *)(SmbiosRecordL2 + 1);
+ UnicodeStrToAsciiStr(SocketDesignation, OptionalStrStart);
+
+ Smbios-> Add(
+ Smbios,
+ NULL,
+ &SmbiosHandle,
+ (EFI_SMBIOS_TABLE_HEADER *) SmbiosRecordL2
+ );
+
+ return EFI_SUCCESS;
+}
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