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StandaloneMmPkg/MmIpl: Install end of PEI notify PPI

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Install end of PEI notify PPI for issue gEfiMmEndOfPeiProtocol
Handler in MM

Signed-off-by: Hongbin1 Zhang <hongbin1.zhang@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Cc: Jiaxin Wu <jiaxin.wu@intel.com>
Cc: Wei6 Xu <wei6.xu@intel.com>
Cc: Sami Mujawar <sami.mujawar@arm.com>
Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
Cc: Supreeth Venkatesh <supreeth.venkatesh@arm.com>
This commit is contained in:
Hongbin1 Zhang 2024-05-09 16:52:52 +08:00 committed by mergify[bot]
parent e98eca076a
commit 3ac296def1
3 changed files with 76 additions and 0 deletions
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53
StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.c
View File

@ -16,6 +16,12 @@ EFI_PEI_PPI_DESCRIPTOR mPpiList = {
&mMmCommunicationPpi
};
EFI_PEI_NOTIFY_DESCRIPTOR mNotifyList = {
EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST,
&gEfiEndOfPeiSignalPpiGuid,
EndOfPeiCallback
};
/**
Communicates with a registered handler.
@ -451,6 +457,47 @@ ExecuteMmCoreFromMmram (
return Status;
}
/**
This is the callback function on end of PEI.
This callback is used for call MmEndOfPeiHandler in standalone MM core.
@param PeiServices General purpose services available to every PEIM.
@param NotifyDescriptor The notification structure this PEIM registered on install.
@param Ppi Pointer to the PPI data associated with this function.
@retval EFI_SUCCESS Exit boot services successfully.
@retval Other Exit boot services failed.
**/
EFI_STATUS
EFIAPI
EndOfPeiCallback (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,
IN VOID *Ppi
)
{
EFI_MM_COMMUNICATE_HEADER CommunicateHeader;
UINTN Size;
EFI_STATUS Status;
//
// Use Guid to initialize EFI_MM_COMMUNICATE_HEADER structure
//
CopyGuid (&CommunicateHeader.HeaderGuid, &gEfiMmEndOfPeiProtocol);
CommunicateHeader.MessageLength = 1;
CommunicateHeader.Data[0] = 0;
//
// Generate the Software SMI and return the result
//
Size = sizeof (CommunicateHeader);
Status = Communicate (NULL, &CommunicateHeader, &Size);
ASSERT_EFI_ERROR (Status);
return Status;
}
/**
Build communication buffer HOB.
@ -550,5 +597,11 @@ StandaloneMmIplPeiEntry (
Status = PeiServicesInstallPpi (&mPpiList);
ASSERT_EFI_ERROR (Status);
//
// Create end of pei callback to call MmEndOfPeiHandler
//
Status = PeiServicesNotifyPpi (&mNotifyList);
ASSERT_EFI_ERROR (Status);
return EFI_SUCCESS;
}

19
StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.h
View File

@ -47,4 +47,23 @@ Communicate (
IN OUT UINTN *CommSize
);
/**
This is the callback function on end of PEI.
This callback is used for call MmEndOfPeiHandler in standalone MM core.
@param PeiServices General purpose services available to every PEIM.
@param NotifyDescriptor The notification structure this PEIM registered on install.
@param Ppi Pointer to the PPI data associated with this function.
@retval EFI_SUCCESS Exit boot services successfully.
@retval Other Exit boot services failed.
**/
EFI_STATUS
EFIAPI
EndOfPeiCallback (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,
IN VOID *Ppi
);
#endif

4
StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.inf
View File

@ -49,6 +49,10 @@
[Ppis]
gEfiPeiMmControlPpiGuid
gEfiPeiMmCommunicationPpiGuid
gEfiEndOfPeiSignalPpiGuid
[Protocols]
gEfiMmEndOfPeiProtocol
[Pcd]
gEfiMdeModulePkgTokenSpaceGuid.PcdMmCommBufferPages