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author | lgao4 <lgao4@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-02-24 08:29:15 +0000 |
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committer | lgao4 <lgao4@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-02-24 08:29:15 +0000 |
commit | de4647f5ae97b5c05abb49d74427e5f4090c23af (patch) | |
tree | 6878e790db79eeeb4e4aa34c99c0453156fa22ee /MdeModulePkg/Universal/PlatformDriverOverride/PlatformDriOverrideDxe/PlatformDriOverride.c | |
parent | e4b99ad97997066491cbd7c00c2237160016079a (diff) | |
download | edk2-de4647f5ae97b5c05abb49d74427e5f4090c23af.zip edk2-de4647f5ae97b5c05abb49d74427e5f4090c23af.tar.gz edk2-de4647f5ae97b5c05abb49d74427e5f4090c23af.tar.bz2 |
Reduce directory deep
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7642 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Universal/PlatformDriverOverride/PlatformDriOverrideDxe/PlatformDriOverride.c')
-rw-r--r-- | MdeModulePkg/Universal/PlatformDriverOverride/PlatformDriOverrideDxe/PlatformDriOverride.c | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/MdeModulePkg/Universal/PlatformDriverOverride/PlatformDriOverrideDxe/PlatformDriOverride.c b/MdeModulePkg/Universal/PlatformDriverOverride/PlatformDriOverrideDxe/PlatformDriOverride.c deleted file mode 100644 index 64e9a4d..0000000 --- a/MdeModulePkg/Universal/PlatformDriverOverride/PlatformDriOverrideDxe/PlatformDriOverride.c +++ /dev/null @@ -1,212 +0,0 @@ -/** @file
-
-Copyright (c) 2007 - 2009, 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.
-
-**/
-
-#include <Uefi.h>
-
-#include <Library/BaseLib.h>
-#include <Library/DebugLib.h>
-#include <Library/UefiDriverEntryPoint.h>
-#include <Library/UefiBootServicesTableLib.h>
-#include <Library/PlatformDriverOverrideLib.h>
-#include <Protocol/PlatformDriverOverride.h>
-
-LIST_ENTRY mMappingDataBase = INITIALIZE_LIST_HEAD_VARIABLE (mMappingDataBase);
-BOOLEAN mEnvironmentVariableRead = FALSE;
-EFI_HANDLE mCallerImageHandle = NULL;
-
-/**
- Retrieves the image handle of the platform override driver for a controller in the system.
-
- @param This A pointer to the
- EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL instance.
- @param ControllerHandle The device handle of the controller to check if a
- driver override exists.
- @param DriverImageHandle On input, a pointer to the previous driver image
- handle returned by GetDriver(). On output, a
- pointer to the next driver image handle. Passing
- in a NULL, will return the first driver image
- handle for ControllerHandle.
-
- @retval EFI_SUCCESS The driver override for ControllerHandle was
- returned in DriverImageHandle.
- @retval EFI_NOT_FOUND A driver override for ControllerHandle was not
- found.
- @retval EFI_INVALID_PARAMETER The handle specified by ControllerHandle is not a
- valid handle. DriverImageHandle is not a handle
- that was returned on a previous call to
- GetDriver().
-
-**/
-EFI_STATUS
-EFIAPI
-GetDriver (
- IN EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL *This,
- IN EFI_HANDLE ControllerHandle,
- IN OUT EFI_HANDLE *DriverImageHandle
- )
-{
- EFI_STATUS Status;
-
- //
- // Check that ControllerHandle is a valid handle
- //
- if (ControllerHandle == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- //
- // Read the environment variable(s) that contain the override mappings from Controller Device Path to
- // a set of Driver Device Paths, and initialize in memory database of the overrides that map Controller
- // Device Paths to an ordered set of Driver Device Paths and Driver Handles. This action is only performed
- // once and finished in first call.
- //
- if (!mEnvironmentVariableRead) {
- mEnvironmentVariableRead = TRUE;
-
- Status = InitOverridesMapping (&mMappingDataBase);
- if (EFI_ERROR (Status)){
- DEBUG ((DEBUG_ERROR, "The status to Get Platform Driver Override Variable is %r\n", Status));
- InitializeListHead (&mMappingDataBase);
- return EFI_NOT_FOUND;
- }
- }
-
- //
- // if the environment variable does not exist, just return not found
- //
- if (IsListEmpty (&mMappingDataBase)) {
- return EFI_NOT_FOUND;
- }
-
- return GetDriverFromMapping (
- ControllerHandle,
- DriverImageHandle,
- &mMappingDataBase,
- mCallerImageHandle
- );
-}
-
-/**
- Retrieves the device path of the platform override driver for a controller in the system.
- This driver doesn't support this API.
-
- @param This A pointer to the EFI_PLATFORM_DRIVER_OVERRIDE_
- PROTOCOL instance.
- @param ControllerHandle The device handle of the controller to check if a driver override
- exists.
- @param DriverImagePath On input, a pointer to the previous driver device path returned by
- GetDriverPath(). On output, a pointer to the next driver
- device path. Passing in a pointer to NULL, will return the first
- driver device path for ControllerHandle.
-
- @retval EFI_UNSUPPORTED
-**/
-EFI_STATUS
-EFIAPI
-GetDriverPath (
- IN EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL *This,
- IN EFI_HANDLE ControllerHandle,
- IN OUT EFI_DEVICE_PATH_PROTOCOL **DriverImagePath
- )
-{
- return EFI_UNSUPPORTED;
-}
-
-
-/**
- Used to associate a driver image handle with a device path that was returned on a prior call to the
- GetDriverPath() service. This driver image handle will then be available through the
- GetDriver() service. This driver doesn't support this API.
-
- @param This A pointer to the EFI_PLATFORM_DRIVER_OVERRIDE_
- PROTOCOL instance.
- @param ControllerHandle The device handle of the controller.
- @param DriverImagePath A pointer to the driver device path that was returned in a prior
- call to GetDriverPath().
- @param DriverImageHandle The driver image handle that was returned by LoadImage()
- when the driver specified by DriverImagePath was loaded
- into memory.
-
- @retval EFI_UNSUPPORTED
-**/
-EFI_STATUS
-EFIAPI
-DriverLoaded (
- IN EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL *This,
- IN EFI_HANDLE ControllerHandle,
- IN EFI_DEVICE_PATH_PROTOCOL *DriverImagePath,
- IN EFI_HANDLE DriverImageHandle
- )
-{
- return EFI_UNSUPPORTED;
-}
-
-EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL mPlatformDriverOverride = {
- GetDriver,
- GetDriverPath,
- DriverLoaded
-};
-
-/**
- Platform Driver Override driver entry point, install the Platform Driver Override Protocol
-
- @param ImageHandle ImageHandle of the loaded driver.
- @param SystemTable Pointer to the EFI System Table.
-
- @retval EFI_SUCCESS The DXE Driver, DXE Runtime Driver, DXE SMM Driver,
- or UEFI Driver exited normally.
- @retval EFI_ALREADY_STARTED A protocol instance has been installed. Not need install again.
-**/
-EFI_STATUS
-EFIAPI
-PlatformDriverOverrideEntry (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
- EFI_HANDLE Handle;
- EFI_STATUS Status;
- VOID *Instance;
-
- mCallerImageHandle = ImageHandle;
-
- //
- // According to UEFI spec, there can be at most a single instance
- // in the system of the EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL.
- // So here we check the existence.
- //
- Status = gBS->LocateProtocol (
- &gEfiPlatformDriverOverrideProtocolGuid,
- NULL,
- &Instance
- );
- //
- // If there was no error, assume there is an installation and return error
- //
- if (!EFI_ERROR (Status)) {
- return EFI_ALREADY_STARTED;
- }
-
- //
- // Install platform driver override protocol
- //
- Handle = NULL;
- Status = gBS->InstallProtocolInterface (
- &Handle,
- &gEfiPlatformDriverOverrideProtocolGuid,
- EFI_NATIVE_INTERFACE,
- &mPlatformDriverOverride
- );
- ASSERT_EFI_ERROR (Status);
- return EFI_SUCCESS;
-}
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