Yanbo: Previous change has been reviewed and merged. Please see the detail https://edk2.groups.io/g/devel/message/91799
Thanks Liming > -----邮件原件----- > 发件人: [email protected] <[email protected]> 代表 Huang, Yanbo > 发送时间: 2022年8月5日 10:42 > 收件人: [email protected] > 抄送: Yanbo Huang <[email protected]>; Michael D Kinney > <[email protected]>; Liming Gao <[email protected]>; > Zhiguang Liu <[email protected]> > 主题: [edk2-devel] [PATCH] MdePkg/UefiDevicePathLib: reback the > DevicePathUtilitiesStandaloneMm > > From: Yanbo Huang <[email protected]> > > reback the DevicePathUtilitiesStandaloneMm to unblock the downstream > sync > > Signed-off-by: Yanbo Huang <[email protected]> > CC: Michael D Kinney <[email protected]> > CC: Liming Gao <[email protected]> > CC: Zhiguang Liu <[email protected]> > > --- > .../DevicePathUtilitiesStandaloneMm.c | 39 ++++++++++ > .../UefiDevicePathLibStandaloneMm.inf | 75 > +++++++++++++++++++ > 2 files changed, 114 insertions(+) > create mode 100644 > MdePkg/Library/UefiDevicePathLib/DevicePathUtilitiesStandaloneMm.c > create mode 100644 > MdePkg/Library/UefiDevicePathLib/UefiDevicePathLibStandaloneMm.inf > > diff --git > a/MdePkg/Library/UefiDevicePathLib/DevicePathUtilitiesStandaloneMm.c > b/MdePkg/Library/UefiDevicePathLib/DevicePathUtilitiesStandaloneMm.c > new file mode 100644 > index 0000000000..096f835b90 > --- /dev/null > +++ > b/MdePkg/Library/UefiDevicePathLib/DevicePathUtilitiesStandaloneMm.c > @@ -0,0 +1,39 @@ > +/** @file > + Device Path services. The thing to remember is device paths are built out > of > + nodes. The device path is terminated by an end node that is length > + sizeof(EFI_DEVICE_PATH_PROTOCOL). That would be why there is > sizeof(EFI_DEVICE_PATH_PROTOCOL) > + all over this file. > + > + The only place where multi-instance device paths are supported is in > + environment varibles. Multi-instance device paths should never be placed > + on a Handle. > + > + Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> > + Copyright (c) Microsoft Corporation. > + SPDX-License-Identifier: BSD-2-Clause-Patent > + > +**/ > + > +#include "UefiDevicePathLib.h" > + > +/** > + Retrieves the device path protocol from a handle. > + > + This function returns the device path protocol from the handle specified by > Handle. > + If Handle is NULL or Handle does not contain a device path protocol, then > NULL > + is returned. > + > + @param Handle The handle from which to > retrieve the device > + path protocol. > + > + @return The device path protocol from the handle specified by Handle. > + > +**/ > +EFI_DEVICE_PATH_PROTOCOL * > +EFIAPI > +DevicePathFromHandle ( > + IN EFI_HANDLE Handle > + ) > +{ > + return NULL; > +} > diff --git > a/MdePkg/Library/UefiDevicePathLib/UefiDevicePathLibStandaloneMm.inf > b/MdePkg/Library/UefiDevicePathLib/UefiDevicePathLibStandaloneMm.inf > new file mode 100644 > index 0000000000..23fedf38b7 > --- /dev/null > +++ > b/MdePkg/Library/UefiDevicePathLib/UefiDevicePathLibStandaloneMm.inf > @@ -0,0 +1,75 @@ > +## @file > +# Instance of Device Path Library based on Memory Allocation Library. > +# > +# Device Path Library that layers on top of the Memory Allocation Library. > +# > +# Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR> > +# Copyright (c) Microsoft Corporation. > +# > +# SPDX-License-Identifier: BSD-2-Clause-Patent > +# > +# > +## > + > +[Defines] > + INF_VERSION = 0x00010005 > + BASE_NAME = UefiDevicePathLib > + MODULE_UNI_FILE = UefiDevicePathLib.uni > + FILE_GUID = > D8E58437-44D3-4154-B7A7-EB794923EF12 > + MODULE_TYPE = MM_STANDALONE > + PI_SPECIFICATION_VERSION = 0x00010032 > + VERSION_STRING = 1.0 > + LIBRARY_CLASS = DevicePathLib | > MM_STANDALONE MM_CORE_STANDALONE > + > + > +# > +# VALID_ARCHITECTURES = IA32 X64 EBC > +# > + > +[Sources] > + DevicePathUtilities.c > + DevicePathUtilitiesStandaloneMm.c > + DevicePathToText.c > + DevicePathFromText.c > + UefiDevicePathLib.c > + UefiDevicePathLib.h > + > +[Packages] > + MdePkg/MdePkg.dec > + > +[LibraryClasses] > + BaseLib > + MemoryAllocationLib > + DebugLib > + BaseMemoryLib > + PcdLib > + PrintLib > + > +[Guids] > + ## SOMETIMES_CONSUMES ## GUID > + gEfiVTUTF8Guid > + ## SOMETIMES_CONSUMES ## GUID > + gEfiVT100Guid > + ## SOMETIMES_CONSUMES ## GUID > + gEfiVT100PlusGuid > + ## SOMETIMES_CONSUMES ## GUID > + gEfiPcAnsiGuid > + ## SOMETIMES_CONSUMES ## GUID > + gEfiUartDevicePathGuid > + ## SOMETIMES_CONSUMES ## GUID > + gEfiSasDevicePathGuid > + ## SOMETIMES_CONSUMES ## GUID > + gEfiVirtualDiskGuid > + ## SOMETIMES_CONSUMES ## GUID > + gEfiVirtualCdGuid > + ## SOMETIMES_CONSUMES ## GUID > + gEfiPersistentVirtualDiskGuid > + ## SOMETIMES_CONSUMES ## GUID > + gEfiPersistentVirtualCdGuid > + > +[Protocols] > + gEfiDevicePathProtocolGuid ## > SOMETIMES_CONSUMES > + gEfiDebugPortProtocolGuid ## UNDEFINED > + > +[Pcd] > + gEfiMdePkgTokenSpaceGuid.PcdMaximumDevicePathNodeCount ## > SOMETIMES_CONSUMES > -- > 2.31.1.windows.1 > > > > > -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. 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