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