Hi Bibo,


Thanks,
Chao
On 2024/1/10 09:24, maobibo wrote:
>
>
> On 2024/1/5 下午5:45, Chao Li wrote:
>> This Library is used to collect APs resources, but is currently NULL
>> for OvmfPkg, because it is not used by the LoongArch virtual machine.
>>
>> BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4584
>>
>> Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
>> Cc: Jiewen Yao <jiewen.yao@intel.com>
>> Cc: Jordan Justen <jordan.l.justen@intel.com>
>> Cc: Gerd Hoffmann <kraxel@redhat.com>
>> Cc: Bibo Mao <maobibo@loongson.cn>
>> Cc: Dongyan Qian <qiandongyan@loongson.cn>
>> Signed-off-by: Chao Li <lichao@loongson.cn>
>> ---
>>   .../CollectApResourceLibNull.c                | 38 +++++++++++++++++++
>>   .../CollectApResourceLibNull.inf              | 31 +++++++++++++++
>>   .../CollectApResourceLibNull.uni              |  9 +++++
>>   3 files changed, 78 insertions(+)
>>   create mode 100644 
>> OvmfPkg/LoongArchVirt/Library/CollectApResouceLibNull/CollectApResourceLibNull.c
>>   create mode 100644 
>> OvmfPkg/LoongArchVirt/Library/CollectApResouceLibNull/CollectApResourceLibNull.inf
>>   create mode 100644 
>> OvmfPkg/LoongArchVirt/Library/CollectApResouceLibNull/CollectApResourceLibNull.uni
>>
>> diff --git 
>> a/OvmfPkg/LoongArchVirt/Library/CollectApResouceLibNull/CollectApResourceLibNull.c 
>> b/OvmfPkg/LoongArchVirt/Library/CollectApResouceLibNull/CollectApResourceLibNull.c 
>>
>> new file mode 100644
>> index 0000000000..19995c1193
>> --- /dev/null
>> +++ 
>> b/OvmfPkg/LoongArchVirt/Library/CollectApResouceLibNull/CollectApResourceLibNull.c
>> @@ -0,0 +1,38 @@
>> +/** @file
>> +  LoongArch64 CPU Collect AP resource NULL Library functions.
>> +
>> +  Copyright (c) 2024, Loongson Technology Corporation Limited. All 
>> rights reserved.<BR>
>> +
>> +  SPDX-License-Identifier: BSD-2-Clause-Patent
>> +
>> +**/
>> +
>> +#include <PiPei.h>
>> +#include <Library/BaseLib.h>
>> +#include <Library/HobLib.h>
>> +#include <Library/MemoryAllocationLib.h>
>> +#include <Register/LoongArch64/Csr.h>
>> +#include "../../../UefiCpuPkg/Library/LoongArch64MpInitLib/MpLib.h"
> The included path is a little strange, should we put 
> CollectApResouceLibNull library in ovmf package or 
> UefiCpuPkg/Library/LoongArch64MpInitLib package?
This library is a private because virtual-matchines collect AP resouces 
differently from physical machines, so I thought would be fine if it was 
located in OvmfPkg/LoongArchVirt/Library.
>
> Regards
> Bibo Mao
>
>> +
>> +VOID
>> +SaveProcessorResourceData (
>> +  IN PROCESSOR_RESOURCE_DATA *
>> +  );
>> +
>> +VOID
>> +EFIAPI
>> +SaveProcessorResource (
>> +  PROCESSOR_RESOURCE_DATA  *mProcessorResource
>> +  )
>> +{
>> +  SaveProcessorResourceData (mProcessorResource);
>> +}
>> +
>> +VOID
>> +EFIAPI
>> +CollectAllProcessorResource (
>> +  VOID
>> +  )
>> +{
>> +  return;
>> +}
>> diff --git 
>> a/OvmfPkg/LoongArchVirt/Library/CollectApResouceLibNull/CollectApResourceLibNull.inf 
>> b/OvmfPkg/LoongArchVirt/Library/CollectApResouceLibNull/CollectApResourceLibNull.inf 
>>
>> new file mode 100644
>> index 0000000000..c166df6bbd
>> --- /dev/null
>> +++ 
>> b/OvmfPkg/LoongArchVirt/Library/CollectApResouceLibNull/CollectApResourceLibNull.inf
>> @@ -0,0 +1,31 @@
>> +## @file
>> +#  LoongArch64 CPU Collect AP resource NULL Library.
>> +#
>> +#  Copyright (c) 2024, Loongson Technology Corporation Limited. All 
>> rights reserved.<BR>
>> +#  SPDX-License-Identifier: BSD-2-Clause-Patent
>> +#
>> +##
>> +
>> +[Defines]
>> +  INF_VERSION                    = 1.29
>> +  BASE_NAME                      = CollectApResourceLibNull
>> +  MODULE_UNI_FILE                = CollectApResourceLibNull.uni
>> +  FILE_GUID                      = 8C3B54BF-6A9F-E8B4-4D57-67B3AB578DD6
>> +  MODULE_TYPE                    = PEIM
>> +  VERSION_STRING                 = 1.1
>> +  LIBRARY_CLASS                  = PEIM
>> +
>> +[Sources.common]
>> +  CollectApResourceLibNull.c
>> +
>> +[Packages]
>> +  MdePkg/MdePkg.dec
>> +  UefiCpuPkg/UefiCpuPkg.dec
>> +
>> +[LibraryClasses]
>> +  BaseLib
>> +  HobLib
>> +  MemoryAllocationLib
>> +
>> +[Pcd]
>> +  gUefiCpuPkgTokenSpaceGuid.PcdCpuMaxLogicalProcessorNumber
>> diff --git 
>> a/OvmfPkg/LoongArchVirt/Library/CollectApResouceLibNull/CollectApResourceLibNull.uni 
>> b/OvmfPkg/LoongArchVirt/Library/CollectApResouceLibNull/CollectApResourceLibNull.uni 
>>
>> new file mode 100644
>> index 0000000000..d1638ab11e
>> --- /dev/null
>> +++ 
>> b/OvmfPkg/LoongArchVirt/Library/CollectApResouceLibNull/CollectApResourceLibNull.uni
>> @@ -0,0 +1,9 @@
>> +// @file
>> +//  LoongArch64 CPU Collect AP resource NULL Library.
>> +//
>> +//  Copyright (c) 2024, Loongson Technology Corporation Limited. All 
>> rights reserved.<BR>
>> +//  SPDX-License-Identifier: BSD-2-Clause-Patent
>> +
>> +#string STR_MODULE_ABSTRACT             #language en-US "CPU Collect 
>> AP resource NULL Library."
>> +
>> +#string STR_MODULE_DESCRIPTION          #language en-US "CPU Collect 
>> AP resource NULL Library."
>>
>
>
>
> 
>


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