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UefiCpuPkg/PiSmmCpuDxeSmm: Add PiCpuStandaloneMmEntry for MM

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This patch adds the PiCpuStandaloneMmEntry for MM, which is
the module Entry Point of the CPU StandaloneMm driver.

In the Entry Point:
1. Init the mIsStandaloneMm flag
2. Call PiSmmCpuEntryCommon
3. Init SmiCommandPort
4. Install the SMM Configuration Protocol.

Signed-off-by: Jiaxin Wu <jiaxin.wu@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Star Zeng <star.zeng@intel.com>
Cc: Dun Tan <dun.tan@intel.com>
Cc: Hongbin1 Zhang <hongbin1.zhang@intel.com>
Cc: Wei6 Xu <wei6.xu@intel.com>
Cc: Yuanhao Xie <yuanhao.xie@intel.com>
This commit is contained in:
Jiaxin Wu 2024-06-26 13:46:20 +08:00 committed by mergify[bot]
parent 7b9b4ed57f
commit 14cb36685b
1 changed files with 46 additions and 0 deletions
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46
UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuStandaloneMm.c
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@ -135,3 +135,49 @@ GetMpInformationFromMpServices (
return NULL; return NULL;
} }
/**
The module Entry Point of the CPU StandaloneMm driver.
@param ImageHandle The firmware allocated handle for the EFI image.
@param SystemTable A pointer to the MM System Table.
@retval EFI_SUCCESS The entry point is executed successfully.
@retval Other Some error occurs when executing this entry point.
**/
EFI_STATUS
EFIAPI
PiCpuStandaloneMmEntry (
IN EFI_HANDLE ImageHandle,
IN EFI_MM_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
Status = PiSmmCpuEntryCommon ();
ASSERT_EFI_ERROR (Status);
if (FeaturePcdGet (PcdCpuSmmProfileEnable)) {
//
// Get Software SMI
//
GetSmiCommandPort ();
}
//
// Install the SMM Configuration Protocol onto a new handle on the handle database.
// The entire SMM Configuration Protocol is allocated from SMRAM, so only a pointer
// to an SMRAM address will be present in the handle database
//
Status = gMmst->MmInstallProtocolInterface (
&gSmmCpuPrivate->SmmCpuHandle,
&gEfiSmmConfigurationProtocolGuid,
EFI_NATIVE_INTERFACE,
&gSmmCpuPrivate->SmmConfiguration
);
ASSERT_EFI_ERROR (Status);
return Status;
}