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/*++
Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
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 = AllocateZeroPool(sizeof (SMBIOS_TABLE_TYPE19) + 2);
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)
//
Status = AddSmbiosRecord (Smbios, &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;
}
/**
Add an SMBIOS record.
@param Smbios The EFI_SMBIOS_PROTOCOL instance.
@param SmbiosHandle A unique handle will be assigned to the SMBIOS record.
@param Record The data for the fixed portion of the SMBIOS record. The format of the record is
determined by EFI_SMBIOS_TABLE_HEADER.Type. The size of the formatted area is defined
by EFI_SMBIOS_TABLE_HEADER.Length and either followed by a double-null (0x0000) or
a set of null terminated strings and a null.
@retval EFI_SUCCESS Record was added.
@retval EFI_OUT_OF_RESOURCES Record was not added due to lack of system resources.
**/
EFI_STATUS
AddSmbiosRecord (
IN EFI_SMBIOS_PROTOCOL *Smbios,
OUT EFI_SMBIOS_HANDLE *SmbiosHandle,
IN EFI_SMBIOS_TABLE_HEADER *Record
)
{
*SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;
return Smbios->Add (
Smbios,
NULL,
SmbiosHandle,
Record
);
}
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