* [PATCH 06/10] StandaloneMmPkg: MM driver entry point library.
@ 2018-07-03 9:42 Supreeth Venkatesh
0 siblings, 0 replies; only message in thread
From: Supreeth Venkatesh @ 2018-07-03 9:42 UTC (permalink / raw)
To: edk2-devel; +Cc: Supreeth Venkatesh, Jiewen Yao, Achin Gupta
This patch implements module entry point library for Standalone
management mode (MM) Drivers.
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Supreeth Venkatesh <supreeth.venkatesh@arm.com>
Reviewed-by: Achin Gupta <achin.gupta@arm.com>
Reviewed-by: Jiewen Yao <Jiewen.yao@intel.com>
Cc: Jiewen Yao <Jiewen.yao@intel.com>
Cc: Achin Gupta <achin.gupta@arm.com>
---
.../Include/Library/StandaloneMmDriverEntryPoint.h | 148 +++++++++++++++++++++
.../StandaloneMmDriverEntryPoint.c | 99 ++++++++++++++
.../StandaloneMmDriverEntryPoint.inf | 41 ++++++
3 files changed, 288 insertions(+)
create mode 100644 StandaloneMmPkg/Include/Library/StandaloneMmDriverEntryPoint.h
create mode 100644 StandaloneMmPkg/Library/StandaloneMmDriverEntryPoint/StandaloneMmDriverEntryPoint.c
create mode 100644 StandaloneMmPkg/Library/StandaloneMmDriverEntryPoint/StandaloneMmDriverEntryPoint.inf
diff --git a/StandaloneMmPkg/Include/Library/StandaloneMmDriverEntryPoint.h b/StandaloneMmPkg/Include/Library/StandaloneMmDriverEntryPoint.h
new file mode 100644
index 0000000..4c93c16
--- /dev/null
+++ b/StandaloneMmPkg/Include/Library/StandaloneMmDriverEntryPoint.h
@@ -0,0 +1,148 @@
+/** @file
+ Module entry point library for Standalone MM Drivers.
+
+Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2016 - 2018, ARM Limited. All rights reserved.<BR>
+
+This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef __MODULE_ENTRY_POINT_H__
+#define __MODULE_ENTRY_POINT_H__
+
+///
+///Declare the PI Specification Revision that this driver requires to execute correctly.
+///
+extern CONST UINT32 _gMmRevision;
+
+/**
+ 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 _gDriverUnloadImageCount is greater
+ than zero, then an unload handler must be registered for this image and
+ the unload handler must invoke ProcessModuleUnloadList().
+ If _gUefiDriverRevision is not zero and SystemTable->Hdr.Revision is
+ less than _gUefiDriverRevison, then return EFI_INCOMPATIBLE_VERSION.
+
+ @param ImageHandle The image handle of the Standalone MM Driver.
+ @param SystemTable A pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS The Standalone MM Driver exited normally.
+ @retval EFI_INCOMPATIBLE_VERSION _gUefiDriverRevision is greater than
+ SystemTable->Hdr.Revision.
+ @retval Other Return value from
+ ProcessModuleEntryPointList().
+
+**/
+EFI_STATUS
+EFIAPI
+_ModuleEntryPoint (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_MM_SYSTEM_TABLE *MmSystemTable
+ );
+
+
+/**
+ Required by the EBC compiler and identical in functionality to _ModuleEntryPoint().
+
+ This function is required to call _ModuleEntryPoint() passing in ImageHandle, and SystemTable.
+
+ @param ImageHandle The image handle of the Standalone MM Driver.
+ @param SystemTable A pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS The Standalone MM Driver exited normally.
+ @retval EFI_INCOMPATIBLE_VERSION _gUefiDriverRevision is greater than
+ SystemTable->Hdr.Revision.
+ @retval Other Return value from ProcessModuleEntryPointList().
+**/
+EFI_STATUS
+EFIAPI
+EfiMain (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_MM_SYSTEM_TABLE *MmSystemTable
+ );
+
+/**
+ Auto generated function that calls the library constructors for all of the module's
+ dependent libraries.
+
+ This function must be called by _ModuleEntryPoint().
+ This function calls the set of library constructors for the set of library instances
+ that a module depends on. This includes library instances that a module depends on
+ directly and library instances that a module depends on indirectly through other libraries.
+ This function is auto generated by build tools and those build tools are responsible
+ for collecting the set of library instances, determine which ones have constructors,
+ and calling the library constructors in the proper order based upon each of the library
+ instances own dependencies.
+
+ @param ImageHandle The image handle of the Standalone MM Driver.
+ @param SystemTable A pointer to the EFI System Table.
+
+**/
+VOID
+EFIAPI
+ProcessLibraryConstructorList (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_MM_SYSTEM_TABLE *MmSystemTable
+ );
+
+
+/**
+ Auto generated function that calls the library descructors for all of the module's
+ dependent libraries.
+
+ This function may be called by _ModuleEntryPoint() or ExitDriver().
+ This function calls the set of library destructors for the set of library instances
+ that a module depends on. This includes library instances that a module depends on
+ directly and library instances that a module depends on indirectly through other libraries.
+ This function is auto generated by build tools and those build tools are responsible for
+ collecting the set of library instances, determine which ones have destructors, and calling
+ the library destructors in the proper order based upon each of the library instances own dependencies.
+
+ @param ImageHandle The image handle of the Standalone MM Driver.
+ @param SystemTable A pointer to the EFI System Table.
+
+**/
+VOID
+EFIAPI
+ProcessLibraryDestructorList (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_MM_SYSTEM_TABLE *MmSystemTable
+ );
+
+
+/**
+ Auto generated function that calls a set of module entry points.
+
+ This function must be called by _ModuleEntryPoint().
+ This function calls the set of module entry points.
+ This function is auto generated by build tools and those build tools are responsible
+ for collecting the module entry points and calling them in a specified order.
+
+ @param ImageHandle The image handle of the Standalone MM Driver.
+ @param SystemTable A pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS The Standalone MMDriver executed normally.
+ @retval !EFI_SUCCESS The Standalone MM Driver failed to execute normally.
+**/
+EFI_STATUS
+EFIAPI
+ProcessModuleEntryPointList (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_MM_SYSTEM_TABLE *MmSystemTable
+ );
+
+#endif
diff --git a/StandaloneMmPkg/Library/StandaloneMmDriverEntryPoint/StandaloneMmDriverEntryPoint.c b/StandaloneMmPkg/Library/StandaloneMmDriverEntryPoint/StandaloneMmDriverEntryPoint.c
new file mode 100644
index 0000000..64bffcf
--- /dev/null
+++ b/StandaloneMmPkg/Library/StandaloneMmDriverEntryPoint/StandaloneMmDriverEntryPoint.c
@@ -0,0 +1,99 @@
+/** @file
+ Entry point to a Standalone MM driver.
+
+Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2016 - 2018, ARM Ltd. All rights reserved.<BR>
+
+This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <PiMm.h>
+
+#include <Library/BaseLib.h>
+#include <Library/DebugLib.h>
+
+VOID
+EFIAPI
+ProcessLibraryConstructorList (
+ IN EFI_HANDLE ImageHandle,
+ IN IN EFI_MM_SYSTEM_TABLE *MmSystemTable
+ );
+
+EFI_STATUS
+EFIAPI
+ProcessModuleEntryPointList (
+ IN EFI_HANDLE ImageHandle,
+ IN IN EFI_MM_SYSTEM_TABLE *MmSystemTable
+ );
+
+VOID
+EFIAPI
+ProcessLibraryDestructorList (
+ IN EFI_HANDLE ImageHandle,
+ IN IN EFI_MM_SYSTEM_TABLE *MmSystemTable
+ );
+
+/**
+ 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 _gDriverUnloadImageCount is greater than zero, then an unload
+ handler must be registered for this image
+ and the unload handler must invoke ProcessModuleUnloadList().
+ If _gUefiDriverRevision is not zero and SystemTable->Hdr.Revision is less
+ than _gUefiDriverRevison, then return EFI_INCOMPATIBLE_VERSION.
+
+
+ @param ImageHandle The image handle of the Standalone MM Driver.
+ @param SystemTable A pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS The Standalone MM Driver exited normally.
+ @retval EFI_INCOMPATIBLE_VERSION _gUefiDriverRevision is greater than
+ SystemTable->Hdr.Revision.
+ @retval Other Return value from ProcessModuleEntryPointList().
+
+**/
+EFI_STATUS
+EFIAPI
+_ModuleEntryPoint (
+ IN EFI_HANDLE ImageHandle,
+ IN IN EFI_MM_SYSTEM_TABLE *MmSystemTable
+ )
+{
+ EFI_STATUS Status;
+
+ //
+ // Call constructor for all libraries
+ //
+ ProcessLibraryConstructorList (ImageHandle, MmSystemTable);
+
+ //
+ // 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/StandaloneMmPkg/Library/StandaloneMmDriverEntryPoint/StandaloneMmDriverEntryPoint.inf b/StandaloneMmPkg/Library/StandaloneMmDriverEntryPoint/StandaloneMmDriverEntryPoint.inf
new file mode 100644
index 0000000..4d1896d
--- /dev/null
+++ b/StandaloneMmPkg/Library/StandaloneMmDriverEntryPoint/StandaloneMmDriverEntryPoint.inf
@@ -0,0 +1,41 @@
+## @file
+# Module entry point library for Standalone MM driver.
+#
+# Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2016-2018, ARM Ltd. All rights reserved.<BR>
+#
+# This program and the accompanying materials
+# are licensed and made available under the terms and conditions of the BSD License
+# which accompanies this distribution. The full text of the license may be found at
+# http://opensource.org/licenses/bsd-license.php.
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#
+#
+##
+
+[Defines]
+ INF_VERSION = 0x0001001A
+ BASE_NAME = StandaloneMmDriverEntryPoint
+ FILE_GUID = BBC33478-98F8-4B78-B29D-574D681B7E43
+ MODULE_TYPE = MM_STANDALONE
+ VERSION_STRING = 1.0
+ PI_SPECIFICATION_VERSION = 0x00010032
+ LIBRARY_CLASS = StandaloneMmDriverEntryPoint|MM_STANDALONE
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64 IPF EBC
+#
+
+[Sources]
+ StandaloneMmDriverEntryPoint.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+
+[LibraryClasses]
+ BaseLib
+ DebugLib
+
--
2.7.4
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