diff options
Diffstat (limited to 'MdePkg/Library/DynamicStackCookieEntryPointLib/StandaloneMmDriver')
2 files changed, 152 insertions, 0 deletions
diff --git a/MdePkg/Library/DynamicStackCookieEntryPointLib/StandaloneMmDriver/StandaloneMmDriverEntryPoint.c b/MdePkg/Library/DynamicStackCookieEntryPointLib/StandaloneMmDriver/StandaloneMmDriverEntryPoint.c new file mode 100644 index 0000000000..4241ef3058 --- /dev/null +++ b/MdePkg/Library/DynamicStackCookieEntryPointLib/StandaloneMmDriver/StandaloneMmDriverEntryPoint.c @@ -0,0 +1,135 @@ +/** @file
+ Entry point to a Standalone MM driver.
+
+Copyright (c) 2015 - 2021, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2016 - 2018, ARM Ltd. All rights reserved.<BR>
+Copyright (c) 2018, Linaro, Limited. All rights reserved.<BR>
+
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <PiMm.h>
+
+#include <Protocol/LoadedImage.h>
+#include <Library/BaseLib.h>
+#include <Library/DebugLib.h>
+#include <Library/MmServicesTableLib.h>
+#include <Library/StandaloneMmDriverEntryPoint.h>
+
+/**
+ Unloads an image from memory.
+
+ This function is a callback that a driver registers to do cleanup
+ when the UnloadImage boot service function is called.
+
+ @param ImageHandle The handle to the image to unload.
+
+ @return Status returned by all unload().
+
+**/
+EFI_STATUS
+EFIAPI
+_DriverUnloadHandler (
+ EFI_HANDLE ImageHandle
+ )
+{
+ EFI_STATUS Status;
+
+ //
+ // If an UnloadImage() handler is specified, then call it
+ //
+ Status = ProcessModuleUnloadList (ImageHandle);
+
+ //
+ // If the driver specific unload handler does not return an error, then call all of the
+ // library destructors. If the unload handler returned an error, then the driver can not be
+ // unloaded, and the library destructors should not be called
+ //
+ if (!EFI_ERROR (Status)) {
+ ProcessLibraryDestructorList (ImageHandle, gMmst);
+ }
+
+ //
+ // Return the status from the driver specific unload handler
+ //
+ return Status;
+}
+
+/**
+ The entry point of PE/COFF Image for a Standalone MM Driver.
+
+ This function is the entry point for a Standalone MM Driver.
+ This function must call ProcessLibraryConstructorList() and
+ ProcessModuleEntryPointList().
+ If the return status from ProcessModuleEntryPointList()
+ is an error status, then ProcessLibraryDestructorList() must be called.
+ The return value from ProcessModuleEntryPointList() is returned.
+ If _gMmRevision is not zero and SystemTable->Hdr.Revision is
+ less than _gMmRevision, then return EFI_INCOMPATIBLE_VERSION.
+
+ @param ImageHandle The image handle of the Standalone MM Driver.
+ @param MmSystemTable A pointer to the MM System Table.
+
+ @retval EFI_SUCCESS The Standalone MM Driver exited normally.
+ @retval EFI_INCOMPATIBLE_VERSION _gMmRevision is greater than
+ MmSystemTable->Hdr.Revision.
+ @retval Other Return value from
+ ProcessModuleEntryPointList().
+
+**/
+EFI_STATUS
+EFIAPI
+_CModuleEntryPoint (
+ IN EFI_HANDLE ImageHandle,
+ IN IN EFI_MM_SYSTEM_TABLE *MmSystemTable
+ )
+{
+ EFI_STATUS Status;
+ EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;
+
+ if (_gMmRevision != 0) {
+ //
+ // Make sure that the MM spec revision of the platform
+ // is >= MM spec revision of the driver
+ //
+ if (MmSystemTable->Hdr.Revision < _gMmRevision) {
+ return EFI_INCOMPATIBLE_VERSION;
+ }
+ }
+
+ //
+ // Call constructor for all libraries
+ //
+ ProcessLibraryConstructorList (ImageHandle, MmSystemTable);
+
+ //
+ // Install unload handler...
+ //
+ if (_gDriverUnloadImageCount != 0) {
+ Status = gMmst->MmHandleProtocol (
+ ImageHandle,
+ &gEfiLoadedImageProtocolGuid,
+ (VOID **)&LoadedImage
+ );
+ ASSERT_EFI_ERROR (Status);
+ LoadedImage->Unload = _DriverUnloadHandler;
+ }
+
+ //
+ // Call the driver entry point
+ //
+ Status = ProcessModuleEntryPointList (ImageHandle, MmSystemTable);
+
+ //
+ // If all of the drivers returned errors, then invoke all of the library destructors
+ //
+ if (EFI_ERROR (Status)) {
+ ProcessLibraryDestructorList (ImageHandle, MmSystemTable);
+ }
+
+ //
+ // Return the cumulative return status code from all of the driver entry points
+ //
+ return Status;
+}
diff --git a/MdePkg/Library/DynamicStackCookieEntryPointLib/StandaloneMmDriver/StandaloneMmDriverEntryPoint.uni b/MdePkg/Library/DynamicStackCookieEntryPointLib/StandaloneMmDriver/StandaloneMmDriverEntryPoint.uni new file mode 100644 index 0000000000..917ae95144 --- /dev/null +++ b/MdePkg/Library/DynamicStackCookieEntryPointLib/StandaloneMmDriver/StandaloneMmDriverEntryPoint.uni @@ -0,0 +1,17 @@ +// /** @file
+//
+// Module entry point library for standalone MM driver
+//
+// Copyright (c) 2007 - 2014, Intel Corporation. All rights reserved.<BR>
+// Copyright (c) 2016 - 2018, ARM Limited. All rights reserved.<BR>
+// Copyright (c) 2018, Linaro, Limited. All rights reserved.<BR>
+//
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+//
+// **/
+
+
+#string STR_MODULE_ABSTRACT #language en-US "Module entry point library for standalone MM driver"
+
+#string STR_MODULE_DESCRIPTION #language en-US "Module entry point library for standalone MM driver."
+
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