diff options
| author | Hongbin1 Zhang <hongbin1.zhang@intel.com> | 2024-05-09 16:52:52 +0800 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2024-08-28 15:25:27 +0000 |
| commit | 3ac296def15a0bd34b095d7009843e76fcdbf418 (patch) | |
| tree | 9e6dd0077aa2dbafcab364b39bc1349938113378 /StandaloneMmPkg/Drivers | |
| parent | e98eca076af1793baf55bea26ca3bc6e20c52061 (diff) | |
| download | edk2-3ac296def15a0bd34b095d7009843e76fcdbf418.tar.gz | |
StandaloneMmPkg/MmIpl: Install end of PEI notify PPI
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>
Diffstat (limited to 'StandaloneMmPkg/Drivers')
3 files changed, 76 insertions, 0 deletions
diff --git a/StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.c b/StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.c index d92c2659ad..90f3e46781 100644 --- a/StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.c +++ b/StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.c @@ -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.
@@ -452,6 +458,47 @@ ExecuteMmCoreFromMmram ( }
/**
+ 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.
@return MM_COMM_BUFFER Pointer of MM communication buffer
@@ -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;
}
diff --git a/StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.h b/StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.h index c385d98ce4..e9be3f5568 100644 --- a/StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.h +++ b/StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.h @@ -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
diff --git a/StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.inf b/StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.inf index f462a10e35..9c748539c6 100644 --- a/StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.inf +++ b/StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.inf @@ -49,6 +49,10 @@ [Ppis]
gEfiPeiMmControlPpiGuid
gEfiPeiMmCommunicationPpiGuid
+ gEfiEndOfPeiSignalPpiGuid
+
+[Protocols]
+ gEfiMmEndOfPeiProtocol
[Pcd]
gEfiMdeModulePkgTokenSpaceGuid.PcdMmCommBufferPages
|