diff options
Diffstat (limited to 'MdeModulePkg/Core/PiSmmCore/PiSmmCore.c')
| -rw-r--r-- | MdeModulePkg/Core/PiSmmCore/PiSmmCore.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/MdeModulePkg/Core/PiSmmCore/PiSmmCore.c b/MdeModulePkg/Core/PiSmmCore/PiSmmCore.c index c1b3563d0..a7220e423 100644 --- a/MdeModulePkg/Core/PiSmmCore/PiSmmCore.c +++ b/MdeModulePkg/Core/PiSmmCore/PiSmmCore.c @@ -78,6 +78,7 @@ SMM_CORE_SMI_HANDLERS mSmmCoreSmiHandlers[] = { { SmmDriverDispatchHandler, &gEfiEventDxeDispatchGuid, NULL, TRUE },
{ SmmReadyToLockHandler, &gEfiDxeSmmReadyToLockProtocolGuid, NULL, TRUE },
{ SmmLegacyBootHandler, &gEfiEventLegacyBootGuid, NULL, FALSE },
+ { SmmEndOfDxeHandler, &gEfiEndOfDxeEventGroupGuid, NULL, FALSE },
{ NULL, NULL, NULL, FALSE }
};
@@ -229,6 +230,46 @@ SmmReadyToLockHandler ( }
/**
+ Software SMI handler that is called when the EndOfDxe event is signalled.
+ This function installs the SMM EndOfDxe Protocol so SMM Drivers are informed that
+ platform code will invoke 3rd part code.
+
+ @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-SMM environment into an SMM environment.
+ @param CommBufferSize The size of the CommBuffer.
+
+ @return Status Code
+
+**/
+EFI_STATUS
+EFIAPI
+SmmEndOfDxeHandler (
+ IN EFI_HANDLE DispatchHandle,
+ IN CONST VOID *Context, OPTIONAL
+ IN OUT VOID *CommBuffer, OPTIONAL
+ IN OUT UINTN *CommBufferSize OPTIONAL
+ )
+{
+ EFI_STATUS Status;
+ EFI_HANDLE SmmHandle;
+
+ DEBUG ((EFI_D_INFO, "SmmEndOfDxeHandler\n"));
+ //
+ // Install SMM EndOfDxe protocol
+ //
+ SmmHandle = NULL;
+ Status = SmmInstallProtocolInterface (
+ &SmmHandle,
+ &gEfiSmmEndOfDxeProtocolGuid,
+ EFI_NATIVE_INTERFACE,
+ NULL
+ );
+ return EFI_SUCCESS;
+}
+
+/**
The main entry point to SMM Foundation.
Note: This function is only used by SMRAM invocation. It is never used by DXE invocation.
|