What does different PCD Database with a different GUID mean?
Has the problem statement and design for multiple PCD databases
from multiple binaries been reviewed in the TianoCore design meeting?
This sounds like a topic that needs more discussion before making
changes like this.
Thanks,
Mike
> -----Original Message-----
> From: Liu, Zhiguang <zhiguang....@intel.com>
> Sent: Monday, May 24, 2021 6:10 PM
> To: Kinney, Michael D <michael.d.kin...@intel.com>; devel@edk2.groups.io
> Cc: Liming Gao <gaolim...@byosoft.com.cn>; Ni, Ray <ray...@intel.com>
> Subject: RE: [edk2-devel] [PATCH 1/2] MdePkg: Standalone PCD driver
>
> Hi Miki,
>
> I want to fix the case where two binaries are built separately, and both want
> to use PCD feature.
> For example, bootloader and payload want to have separate PCD data base.
> Or two payloads both run at DXE phase, and they both need PCD but don't want
> to other payload to change PCD data.
> This way, both PCD protocol instance is installed, and different payload will
> find its own PCD protocol by different GUID.
>
> Thanks
> Zhiguang
>
> > -----Original Message-----
> > From: Kinney, Michael D <michael.d.kin...@intel.com>
> > Sent: Tuesday, May 25, 2021 4:30 AM
> > To: devel@edk2.groups.io; Liu, Zhiguang <zhiguang....@intel.com>; Kinney,
> > Michael D <michael.d.kin...@intel.com>
> > Cc: Liming Gao <gaolim...@byosoft.com.cn>
> > Subject: RE: [edk2-devel] [PATCH 1/2] MdePkg: Standalone PCD driver
> >
> > Why do we need a new PCD?
> >
> > Can't we make this the default behavior to only install one instance?
> >
> > Thanks,
> >
> > Mike
> >
> > > -----Original Message-----
> > > From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of
> > > Zhiguang Liu
> > > Sent: Monday, May 24, 2021 2:25 AM
> > > To: devel@edk2.groups.io
> > > Cc: Kinney, Michael D <michael.d.kin...@intel.com>; Liming Gao
> > > <gaolim...@byosoft.com.cn>
> > > Subject: [edk2-devel] [PATCH 1/2] MdePkg: Standalone PCD driver
> > >
> > > Add a feature PCD to control if the PCD driver is build as standalone
> > > mode.
> > > This way, two mode PCD driver won't share the data base.
> > >
> > > Cc: Michael D Kinney <michael.d.kin...@intel.com>
> > > Cc: Liming Gao <gaolim...@byosoft.com.cn>
> > > Signed-off-by: Zhiguang Liu <zhiguang....@intel.com>
> > > ---
> > > MdeModulePkg/Universal/PCD/Dxe/Pcd.c | 75
> > +++++++++++++++++++++++++++++++++++++++++++++++++++------------
> > ----------
> > > --
> > > MdeModulePkg/Universal/PCD/Dxe/Pcd.inf | 16 ++++++++++++----
> > > MdeModulePkg/Universal/PCD/Dxe/Service.c | 7 ++++++-
> > > MdePkg/Include/Protocol/Pcd.h | 5 -----
> > > MdePkg/Include/Protocol/PcdInfo.h | 5 -----
> > > MdePkg/Library/DxePcdLib/DxePcdLib.c | 24
> > ++++++++++++++++++++----
> > > MdePkg/Library/DxePcdLib/DxePcdLib.inf | 16 ++++++++++++----
> > > MdePkg/Library/DxePcdLib/PayloadPcdLib.inf | 71
> > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> > +++++++++++++
> > > MdePkg/MdePkg.dec | 12 ++++++++++++
> > > 9 files changed, 184 insertions(+), 47 deletions(-)
> > >
> > > diff --git a/MdeModulePkg/Universal/PCD/Dxe/Pcd.c
> > > b/MdeModulePkg/Universal/PCD/Dxe/Pcd.c
> > > index cdb9b4fac1..dc9c4be022 100644
> > > --- a/MdeModulePkg/Universal/PCD/Dxe/Pcd.c
> > > +++ b/MdeModulePkg/Universal/PCD/Dxe/Pcd.c
> > > @@ -129,34 +129,61 @@ PcdDxeInit (
> > > //
> > >
> > > // Make sure the Pcd Protocol is not already installed in the
> > > system
> > >
> > > //
> > >
> > > + if (FeaturePcdGet (PcdStandalonePcdDatabaseEnable)) {
> > >
> > > + ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL,
> > > + &gEdkiiPayloadStandalonePcdProtocolGuid);
> > >
> > > + BuildPcdDxeDataBase ();
> > >
> > >
> > >
> > > - ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gPcdProtocolGuid);
> > >
> > > + //
> > >
> > > + // Install PCD_PROTOCOL to handle dynamic type PCD
> > >
> > > + // Install EFI_PCD_PROTOCOL to handle dynamicEx type PCD
> > >
> > > + //
> > >
> > > + Status = gBS->InstallMultipleProtocolInterfaces (
> > >
> > > + &mPcdHandle,
> > >
> > > + &gEdkiiPayloadStandalonePcdProtocolGuid,
> > > &mPcdInstance,
> > >
> > > + &gEdkiiEfiPayloadStandalonePcdProtocolGuid,
> > > + &mEfiPcdInstance,
> > >
> > > + NULL
> > >
> > > + );
> > >
> > > + ASSERT_EFI_ERROR (Status);
> > >
> > >
> > >
> > > - BuildPcdDxeDataBase ();
> > >
> > > + //
> > >
> > > + // Install GET_PCD_INFO_PROTOCOL to handle dynamic type PCD
> > >
> > > + // Install EFI_GET_PCD_INFO_PROTOCOL to handle dynamicEx type PCD
> > >
> > > + //
> > >
> > > + Status = gBS->InstallMultipleProtocolInterfaces (
> > >
> > > + &mPcdHandle,
> > >
> > > + &gEdkiiPayloadGetStandalonePcdInfoProtocolGuid,
> > &mGetPcdInfoInstance,
> > >
> > > +
> > > + &gEdkiiEfiPayloadGetStandalonePcdInfoProtocolGuid,
> > > + &mEfiGetPcdInfoInstance,
> > >
> > > + NULL
> > >
> > > + );
> > >
> > > + ASSERT_EFI_ERROR (Status);
> > >
> > > + } else {
> > >
> > > + ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gPcdProtocolGuid);
> > >
> > > + BuildPcdDxeDataBase ();
> > >
> > >
> > >
> > > - //
> > >
> > > - // Install PCD_PROTOCOL to handle dynamic type PCD
> > >
> > > - // Install EFI_PCD_PROTOCOL to handle dynamicEx type PCD
> > >
> > > - //
> > >
> > > - Status = gBS->InstallMultipleProtocolInterfaces (
> > >
> > > - &mPcdHandle,
> > >
> > > - &gPcdProtocolGuid, &mPcdInstance,
> > >
> > > - &gEfiPcdProtocolGuid, &mEfiPcdInstance,
> > >
> > > - NULL
> > >
> > > - );
> > >
> > > - ASSERT_EFI_ERROR (Status);
> > >
> > > + //
> > >
> > > + // Install PCD_PROTOCOL to handle dynamic type PCD
> > >
> > > + // Install EFI_PCD_PROTOCOL to handle dynamicEx type PCD
> > >
> > > + //
> > >
> > > + Status = gBS->InstallMultipleProtocolInterfaces (
> > >
> > > + &mPcdHandle,
> > >
> > > + &gPcdProtocolGuid, &mPcdInstance,
> > >
> > > + &gEfiPcdProtocolGuid, &mEfiPcdInstance,
> > >
> > > + NULL
> > >
> > > + );
> > >
> > > + ASSERT_EFI_ERROR (Status);
> > >
> > >
> > >
> > > - //
> > >
> > > - // Install GET_PCD_INFO_PROTOCOL to handle dynamic type PCD
> > >
> > > - // Install EFI_GET_PCD_INFO_PROTOCOL to handle dynamicEx type PCD
> > >
> > > - //
> > >
> > > - Status = gBS->InstallMultipleProtocolInterfaces (
> > >
> > > - &mPcdHandle,
> > >
> > > - &gGetPcdInfoProtocolGuid, &mGetPcdInfoInstance,
> > >
> > > - &gEfiGetPcdInfoProtocolGuid, &mEfiGetPcdInfoInstance,
> > >
> > > - NULL
> > >
> > > - );
> > >
> > > - ASSERT_EFI_ERROR (Status);
> > >
> > > + //
> > >
> > > + // Install GET_PCD_INFO_PROTOCOL to handle dynamic type PCD
> > >
> > > + // Install EFI_GET_PCD_INFO_PROTOCOL to handle dynamicEx type PCD
> > >
> > > + //
> > >
> > > + Status = gBS->InstallMultipleProtocolInterfaces (
> > >
> > > + &mPcdHandle,
> > >
> > > + &gGetPcdInfoProtocolGuid, &mGetPcdInfoInstance,
> > >
> > > + &gEfiGetPcdInfoProtocolGuid,
> > > + &mEfiGetPcdInfoInstance,
> > >
> > > + NULL
> > >
> > > + );
> > >
> > > + ASSERT_EFI_ERROR (Status);
> > >
> > > + }
> > >
> > >
> > >
> > > //
> > >
> > > // Register callback function upon VariableLockProtocol
> > >
> > > diff --git a/MdeModulePkg/Universal/PCD/Dxe/Pcd.inf
> > > b/MdeModulePkg/Universal/PCD/Dxe/Pcd.inf
> > > index eb9f757f14..f3e704f083 100644
> > > --- a/MdeModulePkg/Universal/PCD/Dxe/Pcd.inf
> > > +++ b/MdeModulePkg/Universal/PCD/Dxe/Pcd.inf
> > > @@ -329,10 +329,15 @@
> > > gEfiMdeModulePkgTokenSpaceGuid ## SOMETIMES_CONSUMES
> > ## GUID
> > >
> > >
> > >
> > > [Protocols]
> > >
> > > - gPcdProtocolGuid ## PRODUCES
> > >
> > > - gEfiPcdProtocolGuid ## PRODUCES
> > >
> > > - gGetPcdInfoProtocolGuid ## SOMETIMES_PRODUCES
> > >
> > > - gEfiGetPcdInfoProtocolGuid ## SOMETIMES_PRODUCES
> > >
> > > + gPcdProtocolGuid ## PRODUCES
> > >
> > > + gEfiPcdProtocolGuid ## PRODUCES
> > >
> > > + gGetPcdInfoProtocolGuid ## SOMETIMES_PRODUCES
> > >
> > > + gEfiGetPcdInfoProtocolGuid ## SOMETIMES_PRODUCES
> > >
> > > +
> > >
> > > + gEdkiiPayloadStandalonePcdProtocolGuid ## PRODUCES
> > >
> > > + gEdkiiEfiPayloadStandalonePcdProtocolGuid ## PRODUCES
> > >
> > > + gEdkiiPayloadGetStandalonePcdInfoProtocolGuid ##
> > SOMETIMES_PRODUCES
> > >
> > > + gEdkiiEfiPayloadGetStandalonePcdInfoProtocolGuid ##
> > > + SOMETIMES_PRODUCES
> > >
> > > ## NOTIFY
> > >
> > > ## SOMETIMES_CONSUMES
> > >
> > > gEdkiiVariableLockProtocolGuid
> > >
> > > @@ -342,6 +347,9 @@
> > > gEfiMdeModulePkgTokenSpaceGuid.PcdVpdBaseAddress64 ##
> > SOMETIMES_CONSUMES
> > >
> > > gEfiMdeModulePkgTokenSpaceGuid.PcdSetNvStoreDefaultId ##
> > > SOMETIMES_CONSUMES
> > >
> > >
> > >
> > > +[FeaturePcd]
> > >
> > > + gEfiMdePkgTokenSpaceGuid.PcdStandalonePcdDatabaseEnable ##
> > CONSUMES
> > >
> > > +
> > >
> > > [Depex]
> > >
> > > TRUE
> > >
> > >
> > >
> > > diff --git a/MdeModulePkg/Universal/PCD/Dxe/Service.c
> > > b/MdeModulePkg/Universal/PCD/Dxe/Service.c
> > > index ea7edc3cbb..fe16ba713b 100644
> > > --- a/MdeModulePkg/Universal/PCD/Dxe/Service.c
> > > +++ b/MdeModulePkg/Universal/PCD/Dxe/Service.c
> > > @@ -861,7 +861,12 @@ BuildPcdDxeDataBase (
> > > CopyMem (PcdDxeDb, mPcdDatabase.DxeDb, mPcdDatabase.DxeDb-
> > >Length);
> > >
> > > mPcdDatabase.DxeDb = PcdDxeDb;
> > >
> > >
> > >
> > > - GuidHob = GetFirstGuidHob (&gPcdDataBaseHobGuid);
> > >
> > > + if (FeaturePcdGet (PcdStandalonePcdDatabaseEnable)) {
> > >
> > > + GuidHob = NULL;
> > >
> > > + } else {
> > >
> > > + GuidHob = GetFirstGuidHob (&gPcdDataBaseHobGuid);
> > >
> > > + }
> > >
> > > +
> > >
> > > if (GuidHob != NULL) {
> > >
> > >
> > >
> > > //
> > >
> > > diff --git a/MdePkg/Include/Protocol/Pcd.h
> > > b/MdePkg/Include/Protocol/Pcd.h index 9cd1a998f8..cfa6ac2360 100644
> > > --- a/MdePkg/Include/Protocol/Pcd.h
> > > +++ b/MdePkg/Include/Protocol/Pcd.h
> > > @@ -17,11 +17,6 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
> > > #ifndef __PCD_H__
> > >
> > > #define __PCD_H__
> > >
> > >
> > >
> > > -extern EFI_GUID gPcdProtocolGuid;
> > >
> > > -
> > >
> > > -#define PCD_PROTOCOL_GUID \
> > >
> > > - { 0x11b34006, 0xd85b, 0x4d0a, { 0xa2, 0x90, 0xd5, 0xa5, 0x71, 0x31,
> > > 0xe, 0xf7 } }
> > >
> > > -
> > >
> > > #define PCD_INVALID_TOKEN_NUMBER ((UINTN) 0)
> > >
> > >
> > >
> > >
> > >
> > > diff --git a/MdePkg/Include/Protocol/PcdInfo.h
> > > b/MdePkg/Include/Protocol/PcdInfo.h
> > > index b0ec7f6770..5691215c42 100644
> > > --- a/MdePkg/Include/Protocol/PcdInfo.h
> > > +++ b/MdePkg/Include/Protocol/PcdInfo.h
> > > @@ -19,11 +19,6 @@
> > > #ifndef __PCD_INFO_H__
> > >
> > > #define __PCD_INFO_H__
> > >
> > >
> > >
> > > -extern EFI_GUID gGetPcdInfoProtocolGuid;
> > >
> > > -
> > >
> > > -#define GET_PCD_INFO_PROTOCOL_GUID \
> > >
> > > - { 0x5be40f57, 0xfa68, 0x4610, { 0xbb, 0xbf, 0xe9, 0xc5, 0xfc, 0xda,
> > > 0xd3, 0x65 } }
> > >
> > > -
> > >
> > > ///
> > >
> > > /// The forward declaration for GET_PCD_INFO_PROTOCOL.
> > >
> > > ///
> > >
> > > diff --git a/MdePkg/Library/DxePcdLib/DxePcdLib.c
> > > b/MdePkg/Library/DxePcdLib/DxePcdLib.c
> > > index 2accaeda2c..8a61486832 100644
> > > --- a/MdePkg/Library/DxePcdLib/DxePcdLib.c
> > > +++ b/MdePkg/Library/DxePcdLib/DxePcdLib.c
> > > @@ -43,7 +43,11 @@ GetPiPcdProtocol (
> > > // PI Pcd protocol defined in PI 1.2 vol3 should be installed
> > > before the module
> > >
> > > // access DynamicEx type PCD.
> > >
> > > //
> > >
> > > - Status = gBS->LocateProtocol (&gEfiPcdProtocolGuid, NULL, (VOID **)
> > &mPiPcd);
> > >
> > > + if (FeaturePcdGet (PcdStandalonePcdDatabaseEnable)) {
> > >
> > > + Status = gBS->LocateProtocol
> > > + (&gEdkiiEfiPayloadStandalonePcdProtocolGuid, NULL, (VOID **)
> > > + &mPiPcd);
> > >
> > > + } else {
> > >
> > > + Status = gBS->LocateProtocol (&gEfiPcdProtocolGuid, NULL, (VOID
> > > + **) &mPiPcd);
> > >
> > > + }
> > >
> > > ASSERT_EFI_ERROR (Status);
> > >
> > > ASSERT (mPiPcd != NULL);
> > >
> > > }
> > >
> > > @@ -68,7 +72,11 @@ GetPcdProtocol (
> > > // PCD protocol need to be installed before the module access Dynamic
> > type PCD.
> > >
> > > // But dynamic type PCD is not required in PI 1.2 specification.
> > >
> > > //
> > >
> > > - Status = gBS->LocateProtocol (&gPcdProtocolGuid, NULL, (VOID
> > **)&mPcd);
> > >
> > > + if (FeaturePcdGet (PcdStandalonePcdDatabaseEnable)) {
> > >
> > > + Status = gBS->LocateProtocol
> > > + (&gEdkiiPayloadStandalonePcdProtocolGuid, NULL, (VOID **)&mPcd);
> > >
> > > + } else {
> > >
> > > + Status = gBS->LocateProtocol (&gPcdProtocolGuid, NULL, (VOID
> > > + **)&mPcd);
> > >
> > > + }
> > >
> > > ASSERT_EFI_ERROR (Status);
> > >
> > > ASSERT (mPcd != NULL);
> > >
> > > }
> > >
> > > @@ -88,7 +96,11 @@ GetPiPcdInfoProtocolPointer (
> > > EFI_STATUS Status;
> > >
> > >
> > >
> > > if (mPiPcdInfo == NULL) {
> > >
> > > - Status = gBS->LocateProtocol (&gEfiGetPcdInfoProtocolGuid, NULL,
> > (VOID **)&mPiPcdInfo);
> > >
> > > + if (FeaturePcdGet (PcdStandalonePcdDatabaseEnable)) {
> > >
> > > + Status = gBS->LocateProtocol
> > > + (&gEdkiiEfiPayloadGetStandalonePcdInfoProtocolGuid, NULL, (VOID
> > > + **)&mPiPcdInfo);
> > >
> > > + } else{
> > >
> > > + Status = gBS->LocateProtocol (&gEfiGetPcdInfoProtocolGuid,
> > > + NULL, (VOID **)&mPiPcdInfo);
> > >
> > > + }
> > >
> > > ASSERT_EFI_ERROR (Status);
> > >
> > > ASSERT (mPiPcdInfo != NULL);
> > >
> > > }
> > >
> > > @@ -108,7 +120,11 @@ GetPcdInfoProtocolPointer (
> > > EFI_STATUS Status;
> > >
> > >
> > >
> > > if (mPcdInfo == NULL) {
> > >
> > > - Status = gBS->LocateProtocol (&gGetPcdInfoProtocolGuid, NULL, (VOID
> > **)&mPcdInfo);
> > >
> > > + if (FeaturePcdGet (PcdStandalonePcdDatabaseEnable)) {
> > >
> > > + Status = gBS->LocateProtocol
> > > + (&gEdkiiPayloadGetStandalonePcdInfoProtocolGuid, NULL, (VOID
> > > + **)&mPcdInfo);
> > >
> > > + } else {
> > >
> > > + Status = gBS->LocateProtocol (&gGetPcdInfoProtocolGuid, NULL,
> > > + (VOID **)&mPcdInfo);
> > >
> > > + }
> > >
> > > ASSERT_EFI_ERROR (Status);
> > >
> > > ASSERT (mPcdInfo != NULL);
> > >
> > > }
> > >
> > > diff --git a/MdePkg/Library/DxePcdLib/DxePcdLib.inf
> > > b/MdePkg/Library/DxePcdLib/DxePcdLib.inf
> > > index 3d4d21b442..59d9fe4f11 100644
> > > --- a/MdePkg/Library/DxePcdLib/DxePcdLib.inf
> > > +++ b/MdePkg/Library/DxePcdLib/DxePcdLib.inf
> > > @@ -53,10 +53,18 @@
> > >
> > >
> > >
> > >
> > > [Protocols]
> > >
> > > - gPcdProtocolGuid ## SOMETIMES_CONSUMES
> > >
> > > - gEfiPcdProtocolGuid ## CONSUMES
> > >
> > > - gGetPcdInfoProtocolGuid ## SOMETIMES_CONSUMES
> > >
> > > - gEfiGetPcdInfoProtocolGuid ## SOMETIMES_CONSUMES
> > >
> > > + gPcdProtocolGuid ## SOMETIMES_CONSUMES
> > >
> > > + gEfiPcdProtocolGuid ## SOMETIMES_CONSUMES
> > >
> > > + gGetPcdInfoProtocolGuid ## SOMETIMES_CONSUMES
> > >
> > > + gEfiGetPcdInfoProtocolGuid ## SOMETIMES_CONSUMES
> > >
> > > +
> > >
> > > + gEdkiiPayloadStandalonePcdProtocolGuid ##
> > SOMETIMES_CONSUMES
> > >
> > > + gEdkiiEfiPayloadStandalonePcdProtocolGuid ##
> > SOMETIMES_CONSUMES
> > >
> > > + gEdkiiPayloadGetStandalonePcdInfoProtocolGuid ##
> > SOMETIMES_CONSUMES
> > >
> > > + gEdkiiEfiPayloadGetStandalonePcdInfoProtocolGuid ##
> > > + SOMETIMES_CONSUMES
> > >
> > > +
> > >
> > > +[FeaturePcd]
> > >
> > > + gEfiMdePkgTokenSpaceGuid.PcdStandalonePcdDatabaseEnable ##
> > CONSUMES
> > >
> > >
> > >
> > > [Depex.common.DXE_DRIVER, Depex.common.DXE_RUNTIME_DRIVER,
> > > Depex.common.DXE_SAL_DRIVER, Depex.common.DXE_SMM_DRIVER]
> > >
> > > gEfiPcdProtocolGuid
> > >
> > > diff --git a/MdePkg/Library/DxePcdLib/PayloadPcdLib.inf
> > > b/MdePkg/Library/DxePcdLib/PayloadPcdLib.inf
> > > new file mode 100644
> > > index 0000000000..e61296e11a
> > > --- /dev/null
> > > +++ b/MdePkg/Library/DxePcdLib/PayloadPcdLib.inf
> > > @@ -0,0 +1,71 @@
> > > +## @file
> > >
> > > +# Instance of PCD Library using PCD Protocol.
> > >
> > > +#
> > >
> > > +# There are two PCD protocols as follows:
> > >
> > > +# 1) PCD_PROTOCOL
> > >
> > > +# It is EDKII implementation which support Dynamic/DynamicEx Pcds.
> > >
> > > +# 2) EFI_PCD_PROTOCOL
> > >
> > > +# It is defined by PI specification 1.2, Vol 3 which only support
> > dynamicEx
> > >
> > > +# type Pcd.
> > >
> > > +#
> > >
> > > +# For dynamicEx type PCD, it is compatible between PCD_PROTOCOL and
> > EFI_PCD_PROTOCOL.
> > >
> > > +#
> > >
> > > +# This library instance uses the PCD_PROTOCOL to handle dynamic PCD
> > > +request and use
> > >
> > > +# EFI_PCD_PROTOCOL to handle dynamicEx type PCD.
> > >
> > > +#
> > >
> > > +# Note: A driver of type DXE_RUNTIME_DRIVER and DXE_SMM_DRIVER
> > can
> > > +only use this DxePcdLib
> > >
> > > +# in their initialization without any issues to access Dynamic and
> > > +DynamicEx PCD. They can't
> > >
> > > +# access Dynamic and DynamicEx PCD in the implementation of runtime
> > services and SMI handlers.
> > >
> > > +# Because EFI_PCD_PROTOCOL is DXE protocol that is not available in OS
> > runtime phase.
> > >
> > > +#
> > >
> > > +# Copyright (c) 2007 - 2018, Intel Corporation. All rights
> > > +reserved.<BR>
> > >
> > > +#
> > >
> > > +# SPDX-License-Identifier: BSD-2-Clause-Patent
> > >
> > > +#
> > >
> > > +#
> > >
> > > +##
> > >
> > > +
> > >
> > > +[Defines]
> > >
> > > + INF_VERSION = 0x00010005
> > >
> > > + BASE_NAME = DxePcdLib
> > >
> > > + MODULE_UNI_FILE = DxePcdLib.uni
> > >
> > > + FILE_GUID = f9af2f38-09e2-4ff1-b661-5d1c19d9f75c
> > >
> > > + MODULE_TYPE = DXE_DRIVER
> > >
> > > + VERSION_STRING = 1.0
> > >
> > > + LIBRARY_CLASS = PcdLib|DXE_CORE DXE_DRIVER
> > DXE_RUNTIME_DRIVER DXE_SMM_DRIVER SMM_CORE UEFI_APPLICATION
> > > UEFI_DRIVER
> > >
> > > +
> > >
> > > +#
> > >
> > > +# VALID_ARCHITECTURES = IA32 X64 EBC
> > >
> > > +#
> > >
> > > +
> > >
> > > +[Sources]
> > >
> > > + DxePcdLib.c
> > >
> > > +
> > >
> > > +
> > >
> > > +[Packages]
> > >
> > > + MdePkg/MdePkg.dec
> > >
> > > +
> > >
> > > +
> > >
> > > +[LibraryClasses]
> > >
> > > + BaseMemoryLib
> > >
> > > + UefiBootServicesTableLib
> > >
> > > + DebugLib
> > >
> > > +
> > >
> > > +
> > >
> > > +[Protocols]
> > >
> > > + gPcdProtocolGuid ## SOMETIMES_CONSUMES
> > >
> > > + gEfiPcdProtocolGuid ## SOMETIMES_CONSUMES
> > >
> > > + gGetPcdInfoProtocolGuid ## SOMETIMES_CONSUMES
> > >
> > > + gEfiGetPcdInfoProtocolGuid ## SOMETIMES_CONSUMES
> > >
> > > +
> > >
> > > + gEdkiiPayloadStandalonePcdProtocolGuid ##
> > SOMETIMES_CONSUMES
> > >
> > > + gEdkiiEfiPayloadStandalonePcdProtocolGuid ##
> > SOMETIMES_CONSUMES
> > >
> > > + gEdkiiPayloadGetStandalonePcdInfoProtocolGuid ##
> > SOMETIMES_CONSUMES
> > >
> > > + gEdkiiEfiPayloadGetStandalonePcdInfoProtocolGuid ##
> > > + SOMETIMES_CONSUMES
> > >
> > > +
> > >
> > > +[FeaturePcd]
> > >
> > > + gEfiMdePkgTokenSpaceGuid.PcdStandalonePcdDatabaseEnable ##
> > CONSUMES
> > >
> > > +
> > >
> > > +[Depex.common.DXE_DRIVER, Depex.common.DXE_RUNTIME_DRIVER,
> > > +Depex.common.DXE_SAL_DRIVER, Depex.common.DXE_SMM_DRIVER]
> > >
> > > + gEdkiiEfiPayloadStandalonePcdProtocolGuid
> > >
> > > +
> > >
> > > diff --git a/MdePkg/MdePkg.dec b/MdePkg/MdePkg.dec index
> > > b49f88d8e1..44f60e2086 100644
> > > --- a/MdePkg/MdePkg.dec
> > > +++ b/MdePkg/MdePkg.dec
> > > @@ -1000,6 +1000,12 @@
> > > ## Include/Protocol/PcdInfo.h
> > >
> > > gGetPcdInfoProtocolGuid = { 0x5be40f57, 0xfa68, 0x4610, { 0xbb,
> > > 0xbf,
> > 0xe9, 0xc5, 0xfc, 0xda, 0xd3, 0x65 } }
> > >
> > >
> > >
> > > + ## Payload Standalone Pcd Protocol
> > >
> > > + gEdkiiPayloadStandalonePcdProtocolGuid = {0x8ef6ff48,
> > > 0x2260,
> > 0x5407, {0x0d, 0x18, 0x2e, 0x2c, 0xaa, 0x7d,
> > > 0xc9, 0x1f}}
> > >
> > > + gEdkiiEfiPayloadStandalonePcdProtocolGuid = {0x7e50c422,
> > > 0xae76,
> > 0xbdc9, {0x16, 0x66, 0xca, 0x67, 0x95, 0x04,
> > > 0x4d, 0xea}}
> > >
> > > + gEdkiiPayloadGetStandalonePcdInfoProtocolGuid = {0xd7214c03,
> > 0x27e0, 0x5b35, {0xd5, 0xb1, 0xeb, 0x1a, 0x50, 0x14,
> > > 0x5e, 0x15}}
> > >
> > > + gEdkiiEfiPayloadGetStandalonePcdInfoProtocolGuid = {0x1039ecdf,
> > > + 0x5908, 0xf76c, {0x51, 0xf9, 0xae, 0x09, 0xc5, 0xa9,
> > > 0x68, 0x9e}}
> > >
> > > +
> > >
> > > #
> > >
> > > # Protocols defined in PI1.0.
> > >
> > > #
> > >
> > > @@ -1945,6 +1951,12 @@
> > > # @Prompt Validate ORDERED_COLLECTION structure
> > >
> > >
> > >
> > gEfiMdePkgTokenSpaceGuid.PcdValidateOrderedCollection|FALSE|BOOLEA
> > N|0x
> > > 0000002a
> > >
> > >
> > >
> > > + ## Indicates if the standalone PCD database is enabled for
> > > + Payload.<BR><BR>
> > >
> > > + # TRUE - Enable tandalone PCD database is enabled for Payload.<BR>
> > >
> > > + # FALSE - Disable tandalone PCD database is enabled for Payload.<BR>
> > >
> > > + # @Prompt Enable tandalone PCD database is enabled for Payload.
> > >
> > > +
> > > +
> > gEfiMdePkgTokenSpaceGuid.PcdStandalonePcdDatabaseEnable|FALSE|BOO
> > LEA
> > > + N|0x0000002e
> > >
> > > +
> > >
> > > [PcdsFixedAtBuild]
> > >
> > > ## Status code value for indicating a watchdog timer has expired.
> > >
> > > # EFI_COMPUTING_UNIT_HOST_PROCESSOR |
> > EFI_CU_HP_EC_TIMER_EXPIRED
> > >
> > > --
> > > 2.30.0.windows.2
> > >
> > >
> > >
> > > -=-=-=-=-=-=
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> > > [michael.d.kin...@intel.com] -=-=-=-=-=-=
> > >
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