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: devel@edk2.groups.io <devel@edk2.groups.io> 代表 Huang, Yanbo
> 发送时间: 2022年8月5日 10:42
> 收件人: devel@edk2.groups.io
> 抄送: Yanbo Huang <yanbo.hu...@intel.com>; Michael D Kinney
> <michael.d.kin...@intel.com>; Liming Gao <gaolim...@byosoft.com.cn>;
> Zhiguang Liu <zhiguang....@intel.com>
> 主题: [edk2-devel] [PATCH] MdePkg/UefiDevicePathLib: reback the
> DevicePathUtilitiesStandaloneMm
>
> From: Yanbo Huang <yanbo.hu...@intel.com>
>
> reback the DevicePathUtilitiesStandaloneMm to unblock the downstream
> sync
>
> Signed-off-by: Yanbo Huang <yanbo.hu...@intel.com>
> CC: Michael D Kinney <michael.d.kin...@intel.com>
> CC: Liming Gao <gaolim...@byosoft.com.cn>
> CC: Zhiguang Liu <zhiguang....@intel.com>
>
> ---
> .../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
>
>
>
>
>
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