Hi Ard,
This patch set has been dropped. Another patch set "Create and consume a new
gMpInformationHobGuid2 in UefiCpuPkg." is adopted.
When the Maximum length 64KB is not enough, there might be more than 1 HOB
instance of this gMpInformationHobGuid2.
There is no change in ARM related code in the new patch set.
Thanks,
Dun
-----Original Message-----
From: Ard Biesheuvel <a...@kernel.org>
Sent: Wednesday, January 3, 2024 11:12 PM
To: devel@edk2.groups.io; Tan, Dun <dun....@intel.com>
Cc: Ard Biesheuvel <ardb+tianoc...@kernel.org>; Sami Mujawar
<sami.muja...@arm.com>; Ni, Ray <ray...@intel.com>
Subject: Re: [edk2-devel] [PATCH 3/3] StandaloneMmPkg:Remove MpInformation.h
On Thu, 9 Nov 2023 at 03:51, duntan <dun....@intel.com> wrote:
>
> Remove MpInformation.h in StandaloneMmPkg since it has been moved to
> UefiCpuPkg
>
> Signed-off-by: Dun Tan <dun....@intel.com>
> Cc: Ard Biesheuvel <ardb+tianoc...@kernel.org>
> Cc: Sami Mujawar <sami.muja...@arm.com>
> Cc: Ray Ni <ray...@intel.com>
Doesn't this break the ARM build?
> ---
> StandaloneMmPkg/Drivers/StandaloneMmCpu/StandaloneMmCpu.inf
> | 1 +
> StandaloneMmPkg/Include/Guid/MpInformation.h
> | 35 -----------------------------------
>
> StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/StandaloneMmCoreEntryPoint.inf
> | 1 +
> StandaloneMmPkg/StandaloneMmPkg.dec
> | 1 -
> 4 files changed, 2 insertions(+), 36 deletions(-)
>
> diff --git
> a/StandaloneMmPkg/Drivers/StandaloneMmCpu/StandaloneMmCpu.inf
> b/StandaloneMmPkg/Drivers/StandaloneMmCpu/StandaloneMmCpu.inf
> index 1fcb17d89d..4ed0e395c8 100644
> --- a/StandaloneMmPkg/Drivers/StandaloneMmCpu/StandaloneMmCpu.inf
> +++ b/StandaloneMmPkg/Drivers/StandaloneMmCpu/StandaloneMmCpu.inf
> @@ -27,6 +27,7 @@
> MdePkg/MdePkg.dec
> MdeModulePkg/MdeModulePkg.dec
> StandaloneMmPkg/StandaloneMmPkg.dec
> + UefiCpuPkg/UefiCpuPkg.dec
>
> [LibraryClasses]
> ArmLib
> diff --git a/StandaloneMmPkg/Include/Guid/MpInformation.h
> b/StandaloneMmPkg/Include/Guid/MpInformation.h
> deleted file mode 100644
> index dbf88d12de..0000000000
> --- a/StandaloneMmPkg/Include/Guid/MpInformation.h
> +++ /dev/null
> @@ -1,35 +0,0 @@
> -/** @file
> - EFI MP information protocol provides a lightweight MP_SERVICES_PROTOCOL.
> -
> - MP information protocol only provides static information of MP processor.
> -
> - Copyright (c) 2009, Intel Corporation. All rights reserved.<BR>
> - Copyright (c) 2016 - 2018, ARM Limited. All rights reserved.<BR>
> -
> - SPDX-License-Identifier: BSD-2-Clause-Patent
> -
> -**/
> -
> -#ifndef _MP_INFORMATION_H_
> -#define _MP_INFORMATION_H_
> -
> -#include <Protocol/MpService.h>
> -#include <PiPei.h>
> -#include <Ppi/SecPlatformInformation.h>
> -
> -#define MP_INFORMATION_GUID \
> - { \
> - 0xba33f15d, 0x4000, 0x45c1, {0x8e, 0x88, 0xf9, 0x16, 0x92, 0xd4, 0x57,
> 0xe3} \
> - }
> -
> -#pragma pack(1)
> -typedef struct {
> - UINT64 NumberOfProcessors;
> - UINT64 NumberOfEnabledProcessors;
> - EFI_PROCESSOR_INFORMATION ProcessorInfoBuffer[];
> -} MP_INFORMATION_HOB_DATA;
> -#pragma pack()
> -
> -extern EFI_GUID gMpInformationHobGuid;
> -
> -#endif
> diff --git
> a/StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/StandaloneMmCoreE
> ntryPoint.inf
> b/StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/StandaloneMmCoreE
> ntryPoint.inf
> index 75cfb98c0e..1fc31360ce 100644
> ---
> a/StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/StandaloneMmCoreE
> ntryPoint.inf
> +++ b/StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/StandaloneMmC
> +++ oreEntryPoint.inf
> @@ -33,6 +33,7 @@
> MdePkg/MdePkg.dec
> MdeModulePkg/MdeModulePkg.dec
> StandaloneMmPkg/StandaloneMmPkg.dec
> + UefiCpuPkg/UefiCpuPkg.dec
>
> [Packages.ARM, Packages.AARCH64]
> ArmPkg/ArmPkg.dec
> diff --git a/StandaloneMmPkg/StandaloneMmPkg.dec
> b/StandaloneMmPkg/StandaloneMmPkg.dec
> index 46784d94e4..01f37deebb 100644
> --- a/StandaloneMmPkg/StandaloneMmPkg.dec
> +++ b/StandaloneMmPkg/StandaloneMmPkg.dec
> @@ -36,7 +36,6 @@
>
> [Guids]
> gStandaloneMmPkgTokenSpaceGuid = { 0x18fe7632, 0xf5c8, 0x4e63, {
> 0x8d, 0xe8, 0x17, 0xa5, 0x5c, 0x59, 0x13, 0xbd }}
> - gMpInformationHobGuid = { 0xba33f15d, 0x4000, 0x45c1, {
> 0x8e, 0x88, 0xf9, 0x16, 0x92, 0xd4, 0x57, 0xe3 }}
> gMmFvDispatchGuid = { 0xb65694cc, 0x09e3, 0x4c3b, {
> 0xb5, 0xcd, 0x05, 0xf4, 0x4d, 0x3c, 0xdb, 0xff }}
>
> ## Include/Guid/MmCoreData.h
> --
> 2.31.1.windows.1
>
>
>
>
>
>
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