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Initial directory structure of IntelFrameworkPkg.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2657 6f19259b-4bc3-4df7-8a09-765794883524
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bxing
2007-06-15 10:02:42 +00:00
parent 5879b8754a
commit 79964ac84e
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282
IntelFrameworkPkg/Library/DxeSmmDriverEntryPoint/DriverEntryPoint.c Normal file
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/** @file
Entry point to a EFI/DXE driver.
Copyright (c) 2006, 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 <FrameworkDxe.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/DebugLib.h>
#include <Library/DxeSmmDriverEntryPoint.h>
#include <Protocol/LoadedImage.h>
#include <Protocol/SmmBase.h>
EFI_BOOT_SERVICES *mBS;
/**
This function returns the size, in bytes,
of the device path data structure specified by DevicePath.
If DevicePath is NULL, then 0 is returned.
@param DevicePath A pointer to a device path data structure.
@return The size of a device path in bytes.
**/
STATIC
UINTN
EFIAPI
SmmGetDevicePathSize (
IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath
)
{
CONST EFI_DEVICE_PATH_PROTOCOL *Start;
if (DevicePath == NULL) {
return 0;
}
//
// Search for the end of the device path structure
//
Start = DevicePath;
while (!EfiIsDevicePathEnd (DevicePath)) {
DevicePath = EfiNextDevicePathNode (DevicePath);
}
//
// Compute the size and add back in the size of the end device path structure
//
return ((UINTN) DevicePath - (UINTN) Start) + sizeof (EFI_DEVICE_PATH_PROTOCOL);
}
/**
This function appends the device path SecondDevicePath
to every device path instance in FirstDevicePath.
@param FirstDevicePath A pointer to a device path data structure.
@param SecondDevicePath A pointer to a device path data structure.
@return A pointer to the new device path is returned.
NULL is returned if space for the new device path could not be allocated from pool.
It is up to the caller to free the memory used by FirstDevicePath and SecondDevicePath
if they are no longer needed.
**/
EFI_DEVICE_PATH_PROTOCOL *
EFIAPI
SmmAppendDevicePath (
IN CONST EFI_DEVICE_PATH_PROTOCOL *FirstDevicePath,
IN CONST EFI_DEVICE_PATH_PROTOCOL *SecondDevicePath
)
{
EFI_STATUS Status;
UINTN Size;
UINTN Size1;
UINTN Size2;
EFI_DEVICE_PATH_PROTOCOL *NewDevicePath;
EFI_DEVICE_PATH_PROTOCOL *DevicePath2;
ASSERT (FirstDevicePath != NULL && SecondDevicePath != NULL);
//
// Allocate space for the combined device path. It only has one end node of
// length EFI_DEVICE_PATH_PROTOCOL
//
Size1 = SmmGetDevicePathSize (FirstDevicePath);
Size2 = SmmGetDevicePathSize (SecondDevicePath);
Size = Size1 + Size2 - sizeof (EFI_DEVICE_PATH_PROTOCOL);
Status = mBS->AllocatePool (EfiBootServicesData, Size, (VOID **) &NewDevicePath);
if (EFI_SUCCESS == Status) {
mBS->CopyMem ((VOID *) NewDevicePath, (VOID *) FirstDevicePath, Size1);
//
// Over write Src1 EndNode and do the copy
//
DevicePath2 = (EFI_DEVICE_PATH_PROTOCOL *) ((CHAR8 *) NewDevicePath + (Size1 - sizeof (EFI_DEVICE_PATH_PROTOCOL)));
mBS->CopyMem ((VOID *) DevicePath2, (VOID *) SecondDevicePath, Size2);
}
return NewDevicePath;
}
/**
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 ImageHandle of the unloaded driver
@return Status of the ProcessModuleUnloadList.
**/
EFI_STATUS
EFIAPI
_DriverUnloadHandler (
EFI_HANDLE ImageHandle
)
{
EFI_STATUS Status;
//
// Call the unload handlers for all the modules
//
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;
}
/**
Enrty point to DXE SMM 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;
EFI_SMM_BASE_PROTOCOL *SmmBase;
BOOLEAN InSmm;
EFI_DEVICE_PATH_PROTOCOL *CompleteFilePath;
EFI_DEVICE_PATH_PROTOCOL *ImageDevicePath;
EFI_HANDLE Handle;
//
// Cache a pointer to the Boot Services Table
//
mBS = SystemTable->BootServices;
//
// Retrieve the Loaded Image Protocol
//
Status = mBS->HandleProtocol (
ImageHandle,
&gEfiLoadedImageProtocolGuid,
(VOID*)&LoadedImage
);
ASSERT_EFI_ERROR (Status);
//
// Retrieve SMM Base Protocol
//
Status = mBS->LocateProtocol (
&gEfiSmmBaseProtocolGuid,
NULL,
(VOID **) &SmmBase
);
ASSERT_EFI_ERROR (Status);
//
// Check to see if we are already in SMM
//
SmmBase->InSmm (SmmBase, &InSmm);
//
//
//
if (!InSmm) {
//
// Retrieve the Device Path Protocol from the DeviceHandle tha this driver was loaded from
//
Status = mBS->HandleProtocol (
LoadedImage->DeviceHandle,
&gEfiDevicePathProtocolGuid,
(VOID*)&ImageDevicePath
);
ASSERT_EFI_ERROR (Status);
//
// Build the full device path to the currently execuing image
//
CompleteFilePath = SmmAppendDevicePath (ImageDevicePath, LoadedImage->FilePath);
//
// Load the image in memory to SMRAM; it will automatically generate the
// SMI.
//
Status = SmmBase->Register (SmmBase, CompleteFilePath, NULL, 0, &Handle, FALSE);
ASSERT_EFI_ERROR (Status);
return Status;
}
//
// Call constructor for all libraries
//
ProcessLibraryConstructorList (ImageHandle, SystemTable);
//
// Optionally install the unload handler
//
if (_gDriverUnloadImageCount > 0) {
Status = mBS->HandleProtocol (
ImageHandle,
&gEfiLoadedImageProtocolGuid,
(VOID **)&LoadedImage
);
ASSERT_EFI_ERROR (Status);
LoadedImage->Unload = _DriverUnloadHandler;
}
//
// Call the list of driver entry points
//
Status = ProcessModuleEntryPointList (ImageHandle, SystemTable);
if (EFI_ERROR (Status)) {
ProcessLibraryDestructorList (ImageHandle, SystemTable);
}
return Status;
}
/**
Enrty point wrapper of DXE SMM 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);
}

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IntelFrameworkPkg/Library/DxeSmmDriverEntryPoint/DxeSmmDriverEntryPoint.msa Normal file
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<?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>DxeSmmDriverEntryPoint</ModuleName>
<ModuleType>DXE_SMM_DRIVER</ModuleType>
<GuidValue>79C5C7B7-1083-42a6-AD15-2A4E7C4274D7</GuidValue>
<Version>1.0</Version>
<Abstract>SMM driver entry point library</Abstract>
<Description>Register driver in SMRAM and wrapper driver library constructors and entry point</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</SupportedArchitectures>
<BinaryModule>false</BinaryModule>
<OutputFileBasename>DxeSmmDriverEntryPoint</OutputFileBasename>
</ModuleDefinitions>
<LibraryClassDefinitions>
<LibraryClass Usage="ALWAYS_PRODUCED" SupModuleList="DXE_SMM_DRIVER">
<Keyword>DxeSmmDriverEntryPoint</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>UefiBootServicesTableLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>DebugLib</Keyword>
</LibraryClass>
</LibraryClassDefinitions>
<SourceFiles>
<Filename>DriverEntryPoint.c</Filename>
</SourceFiles>
<PackageDependencies>
<Package PackageGuid="5e0e9358-46b6-4ae2-8218-4ab8b9bbdcec"/>
</PackageDependencies>
<Protocols>
<Protocol Usage="ALWAYS_CONSUMED">
<ProtocolCName>gEfiDevicePathProtocolGuid</ProtocolCName>
</Protocol>
<Protocol Usage="ALWAYS_CONSUMED">
<ProtocolCName>gEfiSmmBaseProtocolGuid</ProtocolCName>
</Protocol>
<Protocol Usage="ALWAYS_CONSUMED">
<ProtocolCName>gEfiLoadedImageProtocolGuid</ProtocolCName>
</Protocol>
</Protocols>
<Externs>
<Specification>EFI_SPECIFICATION_VERSION 0x00020000</Specification>
<Specification>EDK_RELEASE_VERSION 0x00020000</Specification>
</Externs>
</ModuleSurfaceArea>