diff options
Diffstat (limited to 'MdePkg/Library/UefiDriverEntryPoint')
4 files changed, 348 insertions, 0 deletions
diff --git a/MdePkg/Library/UefiDriverEntryPoint/CommonHeader.h b/MdePkg/Library/UefiDriverEntryPoint/CommonHeader.h new file mode 100644 index 0000000000..7749e632c4 --- /dev/null +++ b/MdePkg/Library/UefiDriverEntryPoint/CommonHeader.h @@ -0,0 +1,34 @@ +/**@file
+ Common header file shared by all source files.
+
+ This file includes package header files, library classes and protocol, PPI & GUID definitions.
+
+ Copyright (c) 2007 - 2007, Intel Corporation.
+ All rights reserved. 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 __COMMON_HEADER_H_
+#define __COMMON_HEADER_H_
+
+
+//
+// The package level header files this module uses
+//
+#include <Uefi.h>
+//
+// The protocols, PPI and GUID defintions for this module
+//
+#include <Protocol/LoadedImage.h>
+//
+// The Library classes this module consumes
+//
+#include <Library/UefiDriverEntryPoint.h>
+#include <Library/DebugLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+
+#endif
diff --git a/MdePkg/Library/UefiDriverEntryPoint/DriverEntryPoint.c b/MdePkg/Library/UefiDriverEntryPoint/DriverEntryPoint.c new file mode 100644 index 0000000000..8e3b30ac1e --- /dev/null +++ b/MdePkg/Library/UefiDriverEntryPoint/DriverEntryPoint.c @@ -0,0 +1,172 @@ +/** @file
+ Entry point to a EFI/DXE driver.
+
+Copyright (c) 2006 - 2007, Intel Corporation<BR>
+All rights reserved. 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 common header file for this module.
+//
+#include "CommonHeader.h"
+
+
+/**
+ Unload function that is registered in the LoadImage protocol. It un-installs
+ protocols produced and deallocates pool used by the driver. Called by the core
+ when unloading the driver.
+
+ @param ImageHandle
+
+ @retval EFI_SUCCESS
+
+**/
+STATIC
+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, gST);
+ }
+
+ //
+ // Return the status from the driver specific unload handler
+ //
+ return Status;
+}
+
+
+/**
+ Notification Entry of ExitBootService event. In the entry, all notifications in _gDriverExitBootServicesEvent[]
+ would be invoked.
+
+ @param Event The Event that is being processed.
+ @param Context Event Context.
+
+**/
+STATIC
+VOID
+EFIAPI
+_DriverExitBootServices (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+{
+ EFI_EVENT_NOTIFY ChildNotifyEventHandler;
+ UINTN Index;
+
+ for (Index = 0; _gDriverExitBootServicesEvent[Index] != NULL; Index++) {
+ ChildNotifyEventHandler = _gDriverExitBootServicesEvent[Index];
+ ChildNotifyEventHandler (Event, NULL);
+ }
+}
+
+/**
+ Enrty point to DXE Driver.
+
+ @param ImageHandle ImageHandle of the loaded driver.
+ @param SystemTable Pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS One or more of the drivers returned a success code.
+ @retval !EFI_SUCESS The return status from the last driver entry point in the list.
+
+**/
+EFI_STATUS
+EFIAPI
+_ModuleEntryPoint (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+ EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;
+
+ if (_gUefiDriverRevision != 0) {
+ //
+ // Make sure that the EFI/UEFI spec revision of the platform is >= EFI/UEFI spec revision of the driver
+ //
+ if (SystemTable->Hdr.Revision < _gUefiDriverRevision) {
+ return EFI_INCOMPATIBLE_VERSION;
+ }
+ }
+
+ //
+ // Install unload handler...
+ //
+ if (_gDriverUnloadImageCount != 0) {
+ Status = gBS->HandleProtocol (
+ ImageHandle,
+ &gEfiLoadedImageProtocolGuid,
+ (VOID **)&LoadedImage
+ );
+ ASSERT_EFI_ERROR (Status);
+ LoadedImage->Unload = _DriverUnloadHandler;
+ }
+
+ //
+ // Call constructor for all libraries
+ //
+ ProcessLibraryConstructorList (ImageHandle, SystemTable);
+
+ //
+ // Call the driver entry point
+ //
+ Status = ProcessModuleEntryPointList (ImageHandle, SystemTable);
+
+ //
+ // If all of the drivers returned errors, then invoke all of the library destructors
+ //
+ if (EFI_ERROR (Status)) {
+ ProcessLibraryDestructorList (ImageHandle, SystemTable);
+ }
+
+ //
+ // Return the cummalative return status code from all of the driver entry points
+ //
+ return Status;
+}
+
+
+/**
+ Enrty point wrapper of DXE Driver.
+
+ @param ImageHandle ImageHandle of the loaded driver.
+ @param SystemTable Pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS One or more of the drivers returned a success code.
+ @retval !EFI_SUCESS The return status from the last driver entry point in the list.
+
+**/
+EFI_STATUS
+EFIAPI
+EfiMain (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ return _ModuleEntryPoint (ImageHandle, SystemTable);
+}
diff --git a/MdePkg/Library/UefiDriverEntryPoint/UefiDriverEntryPoint.inf b/MdePkg/Library/UefiDriverEntryPoint/UefiDriverEntryPoint.inf new file mode 100644 index 0000000000..b28ed5d66e --- /dev/null +++ b/MdePkg/Library/UefiDriverEntryPoint/UefiDriverEntryPoint.inf @@ -0,0 +1,92 @@ +#/** @file
+# Component description file for the entry point to a EFIDXE Drivers
+#
+# Entry point library to a EFI/DXE driver
+# Copyright (c) 2007 - 2007, Intel Corporation.
+#
+# All rights reserved. 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 Section - statements that will be processed to create a Makefile.
+#
+################################################################################
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = UefiDriverEntryPoint
+ FILE_GUID = 331deb15-454b-48d8-9b74-70d01f3f3556
+ MODULE_TYPE = UEFI_DRIVER
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = UefiDriverEntryPoint|DXE_DRIVER DXE_RUNTIME_DRIVER DXE_SAL_DRIVER UEFI_DRIVER
+ EDK_RELEASE_VERSION = 0x00020000
+ EFI_SPECIFICATION_VERSION = 0x00020000
+
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64 IPF EBC
+#
+
+################################################################################
+#
+# Sources Section - list of files that are required for the build to succeed.
+#
+################################################################################
+
+[Sources.common]
+ DriverEntryPoint.c
+ CommonHeader.h
+
+
+################################################################################
+#
+# Includes Section - list of Include locations that are required for
+# this module.
+#
+################################################################################
+
+[Includes]
+ $(WORKSPACE)/MdePkg\Include/Library
+
+################################################################################
+#
+# Package Dependency Section - list of Package files that are required for
+# this module.
+#
+################################################################################
+
+[Packages]
+ MdePkg/MdePkg.dec
+
+
+################################################################################
+#
+# Library Class Section - list of Library Classes that are required for
+# this module.
+#
+################################################################################
+
+[LibraryClasses]
+ UefiBootServicesTableLib
+ DebugLib
+
+
+################################################################################
+#
+# Protocol C Name Section - list of Protocol and Protocol Notify C Names
+# that this module uses or produces.
+#
+################################################################################
+
+[Protocols]
+ gEfiLoadedImageProtocolGuid # PROTOCOL ALWAYS_CONSUMED
+
diff --git a/MdePkg/Library/UefiDriverEntryPoint/UefiDriverEntryPoint.msa b/MdePkg/Library/UefiDriverEntryPoint/UefiDriverEntryPoint.msa new file mode 100644 index 0000000000..ce63976837 --- /dev/null +++ b/MdePkg/Library/UefiDriverEntryPoint/UefiDriverEntryPoint.msa @@ -0,0 +1,50 @@ +<?xml version="1.0" encoding="UTF-8"?>
+<ModuleSurfaceArea xmlns="http://www.TianoCore.org/2006/Edk2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+ <MsaHeader>
+ <ModuleName>UefiDriverEntryPoint</ModuleName>
+ <ModuleType>UEFI_DRIVER</ModuleType>
+ <GuidValue>331deb15-454b-48d8-9b74-70d01f3f3556</GuidValue>
+ <Version>1.0</Version>
+ <Abstract>Component description file for the entry point to a EFIDXE Drivers</Abstract>
+ <Description>Entry point library to a EFI/DXE driver</Description>
+ <Copyright>Copyright (c) 2006 - 2007, Intel Corporation.</Copyright>
+ <License>All rights reserved. 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.</License>
+ <Specification>FRAMEWORK_BUILD_PACKAGING_SPECIFICATION 0x00000052</Specification>
+ </MsaHeader>
+ <ModuleDefinitions>
+ <SupportedArchitectures>IA32 X64 IPF EBC</SupportedArchitectures>
+ <BinaryModule>false</BinaryModule>
+ <OutputFileBasename>UefiDriverEntryPoint</OutputFileBasename>
+ </ModuleDefinitions>
+ <LibraryClassDefinitions>
+ <LibraryClass Usage="ALWAYS_PRODUCED" SupModuleList="DXE_DRIVER DXE_RUNTIME_DRIVER DXE_SAL_DRIVER UEFI_DRIVER">
+ <Keyword>UefiDriverEntryPoint</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>DebugLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>UefiBootServicesTableLib</Keyword>
+ </LibraryClass>
+ </LibraryClassDefinitions>
+ <SourceFiles>
+ <Filename>DriverEntryPoint.c</Filename>
+ </SourceFiles>
+ <PackageDependencies>
+ <Package PackageGuid="5e0e9358-46b6-4ae2-8218-4ab8b9bbdcec"/>
+ </PackageDependencies>
+ <Protocols>
+ <Protocol Usage="ALWAYS_CONSUMED">
+ <ProtocolCName>gEfiLoadedImageProtocolGuid</ProtocolCName>
+ </Protocol>
+ </Protocols>
+ <Externs>
+ <Specification>EFI_SPECIFICATION_VERSION 0x00020000</Specification>
+ <Specification>EDK_RELEASE_VERSION 0x00020000</Specification>
+ </Externs>
+</ModuleSurfaceArea>
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