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/*++
Copyright (c) 2006 - 2009, 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
which 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:
MiscSubclassDriverEntryPoint.c
Abstract:
This driver parses the mMiscSubclassDataTable structure and reports
any generated data to the DataHub.
**/
#include "MiscSubClassDriver.h"
EFI_HII_HANDLE mHiiHandle;
/**
This is the standard EFI driver point that detects whether there is a
MemoryConfigurationData Variable and, if so, reports memory configuration info
to the DataHub.
@param ImageHandle Handle for the image of this driver
@param SystemTable Pointer to the EFI System Table
@return EFI_SUCCESS if the data is successfully reported
@return EFI_NOT_FOUND if the HOB list could not be located.
**/
EFI_STATUS
LogMemorySmbiosRecord (
VOID
)
{
EFI_STATUS Status;
UINT64 TotalMemorySize;
UINT8 NumSlots;
SMBIOS_TABLE_TYPE19 *Type19Record;
EFI_SMBIOS_HANDLE MemArrayMappedAddrSmbiosHandle;
EFI_SMBIOS_PROTOCOL *Smbios;
CHAR16 *MemString;
Status = gBS->LocateProtocol (&gEfiSmbiosProtocolGuid, NULL, (VOID**)&Smbios);
ASSERT_EFI_ERROR (Status);
NumSlots = 1;
//
// Process Memory String in form size!size ...
// So 64!64 is 128 MB
//
MemString = (CHAR16 *)PcdGetPtr (PcdEmuMemorySize);
for (TotalMemorySize = 0; *MemString != '\0';) {
TotalMemorySize += StrDecimalToUint64 (MemString);
while (*MemString != '\0') {
if (*MemString == '!') {
MemString++;
break;
}
MemString++;
}
}
//
// Convert Total Memory Size to based on KiloByte
//
TotalMemorySize = LShiftU64 (TotalMemorySize, 20);
//
// Generate Memory Array Mapped Address info
//
Type19Record = AllocatePool(sizeof (SMBIOS_TABLE_TYPE19));
ZeroMem(Type19Record, sizeof(SMBIOS_TABLE_TYPE19));
Type19Record->Hdr.Type = EFI_SMBIOS_TYPE_MEMORY_ARRAY_MAPPED_ADDRESS;
Type19Record->Hdr.Length = sizeof(SMBIOS_TABLE_TYPE19);
Type19Record->Hdr.Handle = 0;
Type19Record->StartingAddress = 0;
Type19Record->EndingAddress = (UINT32)RShiftU64(TotalMemorySize, 10) - 1;
Type19Record->MemoryArrayHandle = 0;
Type19Record->PartitionWidth = (UINT8)(NumSlots);
//
// Generate Memory Array Mapped Address info (TYPE 19)
//
MemArrayMappedAddrSmbiosHandle = 0;
Status = Smbios->Add (Smbios, NULL, &MemArrayMappedAddrSmbiosHandle, (EFI_SMBIOS_TABLE_HEADER*) Type19Record);
FreePool(Type19Record);
ASSERT_EFI_ERROR (Status);
return Status;
}
EFI_STATUS
EFIAPI
MiscSubclassDriverEntryPoint (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
/*++
Description:
Standard EFI driver point. This driver parses the mMiscSubclassDataTable
structure and reports any generated data to the DataHub.
Arguments:
ImageHandle
Handle for the image of this driver
SystemTable
Pointer to the EFI System Table
Returns:
EFI_SUCCESS
The data was successfully reported to the Data Hub.
**/
{
UINTN Index;
EFI_STATUS EfiStatus;
EFI_SMBIOS_PROTOCOL *Smbios;
EfiStatus = gBS->LocateProtocol(&gEfiSmbiosProtocolGuid, NULL, (VOID**)&Smbios);
if (EFI_ERROR(EfiStatus)) {
DEBUG((EFI_D_ERROR, "Could not locate SMBIOS protocol. %r\n", EfiStatus));
return EfiStatus;
}
mHiiHandle = HiiAddPackages (
&gEfiCallerIdGuid,
NULL,
MiscSubclassStrings,
NULL
);
ASSERT (mHiiHandle != NULL);
for (Index = 0; Index < mMiscSubclassDataTableEntries; ++Index) {
//
// If the entry have a function pointer, just log the data.
//
if (mMiscSubclassDataTable[Index].Function != NULL) {
EfiStatus = (*mMiscSubclassDataTable[Index].Function)(
mMiscSubclassDataTable[Index].RecordData,
Smbios
);
if (EFI_ERROR(EfiStatus)) {
DEBUG((EFI_D_ERROR, "Misc smbios store error. Index=%d, ReturnStatus=%r\n", Index, EfiStatus));
return EfiStatus;
}
}
}
//
// Log Memory SMBIOS Record
//
EfiStatus = LogMemorySmbiosRecord();
return EfiStatus;
}
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