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/** @file
Static SMBIOS Table for platform
Copyright (c) 2012, Apple Inc. 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.
**/
#include <PiDxe.h>
#include <IndustryStandard/SmBios.h>
#include <Protocol/Smbios.h>
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DebugLib.h>
#include <Library/SmbiosLib.h>
#include <Library/HobLib.h>
extern SMBIOS_TEMPLATE_ENTRY gSmbiosTemplate[];
SMBIOS_TABLE_TYPE19 gSmbiosType19Template = {
{ EFI_SMBIOS_TYPE_MEMORY_ARRAY_MAPPED_ADDRESS, sizeof (SMBIOS_TABLE_TYPE19), 0 },
0xffffffff, // StartingAddress;
0xffffffff, // EndingAddress;
0, // MemoryArrayHandle;
1, // PartitionWidth;
0, // ExtendedStartingAddress;
0, // ExtendedEndingAddress;
};
VOID
CreatePlatformSmbiosMemoryRecords (
VOID
)
{
EFI_PEI_HOB_POINTERS HobPtr;
SMBIOS_STRUCTURE_POINTER Smbios16;
SMBIOS_STRUCTURE_POINTER Smbios17;
EFI_SMBIOS_HANDLE PhyscialMemoryArrayHandle;
EFI_SMBIOS_HANDLE SmbiosHandle;
Smbios16.Hdr = SmbiosLibGetRecord (EFI_SMBIOS_TYPE_PHYSICAL_MEMORY_ARRAY, 0, &PhyscialMemoryArrayHandle);
if (Smbios16.Hdr == NULL) {
// Only make a Type19 entry if a Type16 entry exists.
return;
}
Smbios17.Hdr = SmbiosLibGetRecord (EFI_SMBIOS_TYPE_MEMORY_DEVICE, 0, &SmbiosHandle);
if (Smbios17.Hdr == NULL) {
// if type17 exits update with type16 Smbios handle
Smbios17.Type17->MemoryArrayHandle = PhyscialMemoryArrayHandle;
}
// Generate Type16 records
gSmbiosType19Template.MemoryArrayHandle = PhyscialMemoryArrayHandle;
HobPtr.Raw = GetHobList ();
while ((HobPtr.Raw = GetNextHob (EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, HobPtr.Raw)) != NULL) {
if (HobPtr.ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) {
gSmbiosType19Template.ExtendedStartingAddress = HobPtr.ResourceDescriptor->PhysicalStart;
gSmbiosType19Template.ExtendedEndingAddress =
HobPtr.ResourceDescriptor->PhysicalStart +
HobPtr.ResourceDescriptor->ResourceLength - 1;
SmbiosLibCreateEntry ((SMBIOS_STRUCTURE *)&gSmbiosType19Template, NULL);
}
HobPtr.Raw = GET_NEXT_HOB (HobPtr);
}
}
/**
Main entry for this driver.
@param ImageHandle Image handle this driver.
@param SystemTable Pointer to SystemTable.
@retval EFI_SUCESS This function always complete successfully.
**/
EFI_STATUS
EFIAPI
PlatfomrSmbiosDriverEntryPoint (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
EFI_SMBIOS_HANDLE SmbiosHandle;
SMBIOS_STRUCTURE_POINTER Smbios;
// Phase 0 - Patch table to make SMBIOS 2.7 structures smaller to conform
// to an early version of the specification.
// Phase 1 - Initialize SMBIOS tables from template
Status = SmbiosLibInitializeFromTemplate (gSmbiosTemplate);
ASSERT_EFI_ERROR (Status);
// Phase 2 - Patch SMBIOS table entries
Smbios.Hdr = SmbiosLibGetRecord (EFI_SMBIOS_TYPE_BIOS_INFORMATION, 0, &SmbiosHandle);
if (Smbios.Type0 != NULL) {
// 64K * (n+1) bytes
Smbios.Type0->BiosSize = (UINT8)DivU64x32 (FixedPcdGet64 (PcdEmuFirmwareFdSize), 64*1024) - 1;
SmbiosLibUpdateUnicodeString (
SmbiosHandle,
Smbios.Type0->BiosVersion,
(CHAR16 *) PcdGetPtr (PcdFirmwareVersionString)
);
SmbiosLibUpdateUnicodeString (
SmbiosHandle,
Smbios.Type0->BiosReleaseDate,
(CHAR16 *) PcdGetPtr (PcdFirmwareReleaseDateString)
);
}
// Phase 3 - Create tables from scratch
// Create Type 13 record from EFI Variables
// Do we need this record for EFI as the info is availible from EFI varaibles
// Also language types don't always match between EFI and SMBIOS
// CreateSmbiosLanguageInformation (1, gSmbiosLangToEfiLang);
CreatePlatformSmbiosMemoryRecords ();
return EFI_SUCCESS;
}
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