Create an Library instance of ReportCpuHobLib from PlatformInitPei driver. PA bits reported can be overriden using Library instance in Platform.
Initial Patch to create ReportCpuHobLib. REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2674 Signed-off-by: Chandana Kumar <chandana.c.ku...@intel.com> Cc: Sai Chaganty <rangasai.v.chaga...@intel.com> Cc: Chasel Chiu <chasel.c...@intel.com> Cc: Nate DeSimone <nathaniel.l.desim...@intel.com> --- Platform/Intel/MinPlatformPkg/Include/Library/ReportCpuHobLib.h | 23 +++++++++++++++++++++++ Platform/Intel/MinPlatformPkg/MinPlatformPkg.dec | 6 ++++-- Platform/Intel/MinPlatformPkg/PlatformInit/Library/ReportCpuHobLib/ReportCpuHobLib.c | 32 ++++++++++++++++++++++++++++++++ Platform/Intel/MinPlatformPkg/PlatformInit/Library/ReportCpuHobLib/ReportCpuHobLib.inf | 27 +++++++++++++++++++++++++++ 4 files changed, 86 insertions(+), 2 deletions(-) diff --git a/Platform/Intel/MinPlatformPkg/Include/Library/ReportCpuHobLib.h b/Platform/Intel/MinPlatformPkg/Include/Library/ReportCpuHobLib.h new file mode 100644 index 0000000000..337e17f154 --- /dev/null +++ b/Platform/Intel/MinPlatformPkg/Include/Library/ReportCpuHobLib.h @@ -0,0 +1,23 @@ +/** @file + + Report CPU HOB library + + This library report the CPU HOB with Physical Address bits. + +Copyright (c) 2020, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef _REPORT_CPU_HOB_LIB_H_ +#define _REPORT_CPU_HOB_LIB_H_ + +#include <PiPei.h> +#include <Uefi.h> + +VOID +ReportCpuHob ( + VOID + ); + +#endif diff --git a/Platform/Intel/MinPlatformPkg/MinPlatformPkg.dec b/Platform/Intel/MinPlatformPkg/MinPlatformPkg.dec index 5bec4eee3a..7ef189dac8 100644 --- a/Platform/Intel/MinPlatformPkg/MinPlatformPkg.dec +++ b/Platform/Intel/MinPlatformPkg/MinPlatformPkg.dec @@ -6,7 +6,7 @@ # INF files to generate AutoGen.c and AutoGen.h files # for the build infrastructure. # -# Copyright (c) 2017 - 2019, Intel Corporation. All rights reserved.<BR> +# Copyright (c) 2017 - 2020, Intel Corporation. All rights reserved.<BR> # # SPDX-License-Identifier: BSD-2-Clause-Patent # @@ -73,7 +73,9 @@ TestPointLib|Include/Library/TestPointLib.h TestPointCheckLib|Include/Library/TestPointCheckLib.h -SetCacheMtrrLib|Include/Library/SetCacheMtrrLib.h + SetCacheMtrrLib|Include/Library/SetCacheMtrrLib.h + + ReportCpuHobLib|Include/Library/ReportCpuHobLib.h [PcdsFixedAtBuild, PcdsPatchableInModule] diff --git a/Platform/Intel/MinPlatformPkg/PlatformInit/Library/ReportCpuHobLib/ReportCpuHobLib.c b/Platform/Intel/MinPlatformPkg/PlatformInit/Library/ReportCpuHobLib/ReportCpuHobLib.c new file mode 100644 index 0000000000..aa2565343c --- /dev/null +++ b/Platform/Intel/MinPlatformPkg/PlatformInit/Library/ReportCpuHobLib/ReportCpuHobLib.c @@ -0,0 +1,32 @@ +/** @file + Source code file for Report CPU HOB library. + +Copyright (c) 2020, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include <Base.h> +#include <Library/HobLib.h> + +VOID +ReportCpuHob ( + VOID + ) +{ + UINT8 PhysicalAddressBits; + UINT32 RegEax; + + AsmCpuid (0x80000000, &RegEax, NULL, NULL, NULL); + if (RegEax >= 0x80000008) { + AsmCpuid (0x80000008, &RegEax, NULL, NULL, NULL); + PhysicalAddressBits = (UINT8) RegEax; + } else { + PhysicalAddressBits = 36; + } + + /// + /// Create a CPU hand-off information + /// + BuildCpuHob (PhysicalAddressBits, 16); +} diff --git a/Platform/Intel/MinPlatformPkg/PlatformInit/Library/ReportCpuHobLib/ReportCpuHobLib.inf b/Platform/Intel/MinPlatformPkg/PlatformInit/Library/ReportCpuHobLib/ReportCpuHobLib.inf new file mode 100644 index 0000000000..ae6ec901a1 --- /dev/null +++ b/Platform/Intel/MinPlatformPkg/PlatformInit/Library/ReportCpuHobLib/ReportCpuHobLib.inf @@ -0,0 +1,27 @@ +### @file +# Component information file for the Report CPU HOB library. +# +# Copyright (c) 2020, Intel Corporation. All rights reserved.<BR> +# +# SPDX-License-Identifier: BSD-2-Clause-Patent +# +### + +[Defines] + INF_VERSION = 0x00010005 + BASE_NAME = ReportCpuHobLib + FILE_GUID = F19AA754-CE24-448D-B755-1F939B00C25D + VERSION_STRING = 1.0 + MODULE_TYPE = BASE + LIBRARY_CLASS = ReportCpuHobLib + +[LibraryClasses] + BaseLib + HobLib + +[Packages] + MdePkg/MdePkg.dec + MinPlatformPkg/MinPlatformPkg.dec + +[Sources] + PeiReportFvLib.c -- 2.16.2.windows.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#58016): https://edk2.groups.io/g/devel/message/58016 Mute This Topic: https://groups.io/mt/73235446/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
