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UefiCpuPkg/CpuMpPei: Add LoongArch64 support

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Added LoongArch64 CPU multiple processor PPI support.

Cc: Ray Ni <ray.ni@intel.com>
Cc: Jiaxin Wu <jiaxin.wu@intel.com>
Cc: Zhiguang Liu <zhiguang.liu@intel.com>
Cc: Dun Tan <dun.tan@intel.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Chao Li <lichao@loongson.cn>
This commit is contained in:
Chao Li
2025-01-21 14:59:47 +08:00
committed by mergify[bot]
parent 7bc51fc68e
commit 336e7e06eb
2 changed files with 90 additions and 3 deletions
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13
UefiCpuPkg/CpuMpPei/CpuMpPei.inf
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@ -19,17 +19,22 @@
#
# The following information is for reference only and not required by the build tools.
#
# VALID_ARCHITECTURES = IA32 X64
# VALID_ARCHITECTURES = IA32 X64 LOONGARCH64
#
[Sources]
CpuMpPei.h
CpuMp.c
CpuMp2.c
[Sources.Ia32, Sources.X64]
CpuBist.c
CpuPaging.c
CpuMpPei.c
[Sources.LoongArch64]
LoongArch64/CpuMpPei.c
[Packages]
MdePkg/MdePkg.dec
MdeModulePkg/MdeModulePkg.dec
@ -39,16 +44,18 @@
BaseLib
DebugLib
HobLib
LocalApicLib
PeimEntryPoint
PeiServicesLib
ReportStatusCodeLib
CpuExceptionHandlerLib
MpInitLib
BaseMemoryLib
CpuLib
MemoryAllocationLib
[LibraryClasses.Ia32, LibraryClasses.X64]
CpuExceptionHandlerLib
CpuPageTableLib
LocalApicLib
[Guids]
gEdkiiMigratedFvInfoGuid ## SOMETIMES_CONSUMES ## HOB

80
UefiCpuPkg/CpuMpPei/LoongArch64/CpuMpPei.c Normal file
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@ -0,0 +1,80 @@
/** @file
CPU PEI Module installs CPU Multiple Processor PPI.
Copyright (c) 2015 - 2022, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2025, Loongson Technology Corporation Limited. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "CpuMpPei.h"
EFI_PEI_PPI_DESCRIPTOR mPeiCpuMpPpiList[] = {
{
EFI_PEI_PPI_DESCRIPTOR_PPI,
&gEdkiiPeiMpServices2PpiGuid,
&mMpServices2Ppi
},
{
(EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
&gEfiPeiMpServicesPpiGuid,
&mMpServicesPpi
}
};
/**
Initializes MP and exceptions handlers.
@param PeiServices The pointer to the PEI Services Table.
@retval EFI_SUCCESS MP was successfully initialized.
@retval others Error occurred in MP initialization.
**/
EFI_STATUS
InitializeCpuMpWorker (
IN CONST EFI_PEI_SERVICES **PeiServices
)
{
EFI_STATUS Status;
Status = MpInitLibInitialize ();
if (EFI_ERROR (Status)) {
return Status;
}
//
// Install CPU MP PPI
//
Status = PeiServicesInstallPpi (mPeiCpuMpPpiList);
ASSERT_EFI_ERROR (Status);
return Status;
}
/**
The Entry point of the MP CPU PEIM.
This function will wakeup APs and collect CPU AP count and install the
Mp Service Ppi.
@param FileHandle Handle of the file being invoked.
@param PeiServices Describes the list of possible PEI Services.
@retval EFI_SUCCESS MpServicePpi is installed successfully.
**/
EFI_STATUS
EFIAPI
CpuMpPeimInit (
IN EFI_PEI_FILE_HANDLE FileHandle,
IN CONST EFI_PEI_SERVICES **PeiServices
)
{
EFI_STATUS Status;
Status = InitializeCpuMpWorker ((CONST EFI_PEI_SERVICES **)PeiServices);
ASSERT_EFI_ERROR (Status);
return Status;
}