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StandaloneMmPkg/Core: drop support for dispatching FVs into MM

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Remove the support that permits calls into the MM context to dispatch
firmware volumes that are not part of the initial standalone MM firmware
volume.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: "Yao, Jiewen" <jiewen.yao@intel.com>
Reviewed-by: Achin Gupta <achin.gupta@arm.com>
This commit is contained in:
Ard Biesheuvel
2019-03-04 18:19:31 +01:00
parent 84249babd7
commit 094c0bc7d7
3 changed files with 0 additions and 69 deletions
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46
StandaloneMmPkg/Core/Dispatcher.c
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@@ -883,52 +883,6 @@ MmAddToDriverList (
return EFI_SUCCESS;
}
/**
This function is the main entry point for an MM handler dispatch
or communicate-based callback.
@param DispatchHandle The unique handle assigned to this handler by SmiHandlerRegister().
@param Context Points to an optional handler context which was specified when the handler was registered.
@param CommBuffer A pointer to a collection of data in memory that will
be conveyed from a non-MM environment into an MM environment.
@param CommBufferSize The size of the CommBuffer.
@return Status Code
**/
EFI_STATUS
EFIAPI
MmFvDispatchHandler (
IN EFI_HANDLE DispatchHandle,
IN CONST VOID *Context, OPTIONAL
IN OUT VOID *CommBuffer, OPTIONAL
IN OUT UINTN *CommBufferSize OPTIONAL
)
{
EFI_STATUS Status;
EFI_MM_COMMUNICATE_FV_DISPATCH_DATA *CommunicationFvDispatchData;
EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader;
DEBUG ((DEBUG_INFO, "MmFvDispatchHandler\n"));
CommunicationFvDispatchData = CommBuffer;
DEBUG ((DEBUG_INFO, " Dispatch - 0x%016lx - 0x%016lx\n", CommunicationFvDispatchData->Address,
CommunicationFvDispatchData->Size));
FwVolHeader = (EFI_FIRMWARE_VOLUME_HEADER *)(UINTN)CommunicationFvDispatchData->Address;
MmCoreFfsFindMmDriver (FwVolHeader);
//
// Execute the MM Dispatcher on any newly discovered FVs and previously
// discovered MM drivers that have been discovered but not dispatched.
//
Status = MmDispatcher ();
return Status;
}
/**
Traverse the discovered list for any drivers that were discovered but not loaded
because the dependency experessions evaluated to false.