mirror of https://github.com/acidanthera/audk.git
60 lines
2.0 KiB
C
60 lines
2.0 KiB
C
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/** @file
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Platform Hob access interface for multiplatform.
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Copyright (c) 2010 - 2014, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials are licensed and made available under
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the terms and conditions of the BSD License that accompanies this distribution.
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The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php.
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include <MultiPlatformLib.h>
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/**
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Returns the Platform Info of the platform from the HOB.
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@param PeiServices General purpose services available to every PEIM.
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@param PlatformInfoHob Pointer to the PLATFORM_INFO_HOB Pointer
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@retval EFI_SUCCESS The function completed successfully.
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@retval EFI_NOT_FOUND PlatformInfoHob data doesn't exist, use default instead.
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**/
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EFI_STATUS
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GetPlatformInfoHob (
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IN CONST EFI_PEI_SERVICES **PeiServices,
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OUT EFI_PLATFORM_INFO_HOB **PlatformInfoHob
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)
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{
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EFI_PEI_HOB_POINTERS GuidHob;
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//
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// Find the PlatformInfo HOB
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//
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GuidHob.Raw = GetHobList ();
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if (GuidHob.Raw == NULL) {
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return EFI_NOT_FOUND;
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}
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if ((GuidHob.Raw = GetNextGuidHob (&gEfiPlatformInfoGuid, GuidHob.Raw)) != NULL) {
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*PlatformInfoHob = GET_GUID_HOB_DATA (GuidHob.Guid);
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}
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//
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// PlatformInfo PEIM should provide this HOB data, if not ASSERT and return error.
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//
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ASSERT_EFI_ERROR (*PlatformInfoHob != NULL);
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if (!(*PlatformInfoHob)) {
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return EFI_NOT_FOUND;
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}
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return EFI_SUCCESS;
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}
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