mirror of https://github.com/acidanthera/audk.git
422 lines
20 KiB
C
422 lines
20 KiB
C
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/** @file
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EFI Driver Model Library.
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Copyright (c) 2006, Intel Corporation<BR>
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name: UefiDriverModelLib.c
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**/
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/**
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The constructor function installs the standard EFI Driver Model Protocols.
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@param[in] ImageHandle The firmware allocated handle for the EFI image.
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@param[in] SystemTable A pointer to the EFI System Table.
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@retval EFI_SUCCESS The constructor always return EFI_SUCCESS.
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**/
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EFI_STATUS
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EFIAPI
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UefiDriverModelLibConstructor (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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EFI_STATUS Status;
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UINTN Index;
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EFI_HANDLE DriverBindingHandle;
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EFI_DRIVER_BINDING_PROTOCOL *DriverBinding;
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//
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// If no Driver Binding Protocols are advertised by the driver then simply return
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//
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if (_gDriverModelProtocolListEntries == 0) {
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return EFI_SUCCESS;
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}
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//
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// Install the first Driver Bindng Protocol onto ImageHandle
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//
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DriverBindingHandle = ImageHandle;
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//
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// See if onle one Driver Binding Protocol is advertised by the driver
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//
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if (_gDriverModelProtocolListEntries == 1) {
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//
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// The Driver Binding Protocol must never be NULL
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//
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ASSERT(_gDriverModelProtocolList[0].DriverBinding != NULL);
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//
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// Check for all 8 possible combinations of the ComponentName, DriverConfiguration, and DriverDiagnostics Protocol
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// These are all checks against const pointers, so the optimizing compiler will only select one of the
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// calls to InstallMultipleProtocolInterfaces()
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//
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if (_gDriverModelProtocolList[0].DriverDiagnostics == NULL) {
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if (_gDriverModelProtocolList[0].DriverConfiguration == NULL) {
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if (_gDriverModelProtocolList[0].ComponentName == NULL) {
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Status = gBS->InstallMultipleProtocolInterfaces (
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&DriverBindingHandle,
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&gEfiDriverBindingProtocolGuid, (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[0].DriverBinding,
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NULL
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);
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} else {
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Status = gBS->InstallMultipleProtocolInterfaces (
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&DriverBindingHandle,
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&gEfiDriverBindingProtocolGuid, (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[0].DriverBinding,
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&gEfiComponentNameProtocolGuid, (EFI_COMPONENT_NAME_PROTOCOL *)_gDriverModelProtocolList[0].ComponentName,
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NULL
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);
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}
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} else {
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if (_gDriverModelProtocolList[0].ComponentName == NULL) {
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Status = gBS->InstallMultipleProtocolInterfaces (
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&DriverBindingHandle,
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&gEfiDriverBindingProtocolGuid, (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[0].DriverBinding,
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&gEfiDriverConfigurationProtocolGuid, (EFI_DRIVER_CONFIGURATION_PROTOCOL *)_gDriverModelProtocolList[0].DriverConfiguration,
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NULL
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);
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} else {
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Status = gBS->InstallMultipleProtocolInterfaces (
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&DriverBindingHandle,
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&gEfiDriverBindingProtocolGuid, (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[0].DriverBinding,
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&gEfiComponentNameProtocolGuid, (EFI_COMPONENT_NAME_PROTOCOL *)_gDriverModelProtocolList[0].ComponentName,
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&gEfiDriverConfigurationProtocolGuid, (EFI_DRIVER_CONFIGURATION_PROTOCOL *)_gDriverModelProtocolList[0].DriverConfiguration,
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NULL
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);
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}
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}
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} else {
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if (_gDriverModelProtocolList[0].DriverConfiguration == NULL) {
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if (_gDriverModelProtocolList[0].ComponentName == NULL) {
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Status = gBS->InstallMultipleProtocolInterfaces (
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&DriverBindingHandle,
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&gEfiDriverBindingProtocolGuid, (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[0].DriverBinding,
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&gEfiDriverDiagnosticsProtocolGuid, (EFI_DRIVER_DIAGNOSTICS_PROTOCOL *)_gDriverModelProtocolList[0].DriverDiagnostics,
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NULL
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);
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} else {
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Status = gBS->InstallMultipleProtocolInterfaces (
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&DriverBindingHandle,
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&gEfiDriverBindingProtocolGuid, (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[0].DriverBinding,
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&gEfiComponentNameProtocolGuid, (EFI_COMPONENT_NAME_PROTOCOL *)_gDriverModelProtocolList[0].ComponentName,
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&gEfiDriverDiagnosticsProtocolGuid, (EFI_DRIVER_DIAGNOSTICS_PROTOCOL *)_gDriverModelProtocolList[0].DriverDiagnostics,
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NULL
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);
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}
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} else {
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if (_gDriverModelProtocolList[0].ComponentName == NULL) {
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Status = gBS->InstallMultipleProtocolInterfaces (
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&DriverBindingHandle,
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&gEfiDriverBindingProtocolGuid, (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[0].DriverBinding,
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&gEfiDriverConfigurationProtocolGuid, (EFI_DRIVER_CONFIGURATION_PROTOCOL *)_gDriverModelProtocolList[0].DriverConfiguration,
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&gEfiDriverDiagnosticsProtocolGuid, (EFI_DRIVER_DIAGNOSTICS_PROTOCOL *)_gDriverModelProtocolList[0].DriverDiagnostics,
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NULL
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);
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} else {
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Status = gBS->InstallMultipleProtocolInterfaces (
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&DriverBindingHandle,
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&gEfiDriverBindingProtocolGuid, (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[0].DriverBinding,
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&gEfiComponentNameProtocolGuid, (EFI_COMPONENT_NAME_PROTOCOL *)_gDriverModelProtocolList[0].ComponentName,
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&gEfiDriverConfigurationProtocolGuid, (EFI_DRIVER_CONFIGURATION_PROTOCOL *)_gDriverModelProtocolList[0].DriverConfiguration,
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&gEfiDriverDiagnosticsProtocolGuid, (EFI_DRIVER_DIAGNOSTICS_PROTOCOL *)_gDriverModelProtocolList[0].DriverDiagnostics,
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NULL
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);
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}
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}
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}
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//
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// ASSERT if the call to InstallMultipleProtocolInterfaces() failed
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//
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ASSERT_EFI_ERROR (Status);
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//
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// Update the ImageHandle and DriverBindingHandle fields of the Driver Binding Protocol
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//
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DriverBinding = (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[0].DriverBinding;
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DriverBinding->ImageHandle = ImageHandle;
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DriverBinding->DriverBindingHandle = DriverBindingHandle;
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} else {
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for (Index = 0; Index < _gDriverModelProtocolListEntries; Index++) {
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//
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// The Driver Binding Protocol must never be NULL
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//
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ASSERT(_gDriverModelProtocolList[Index].DriverBinding != NULL);
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//
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// Install the Driver Binding Protocol and ASSERT() if the installation fails
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//
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Status = gBS->InstallProtocolInterface (
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&DriverBindingHandle,
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&gEfiDriverBindingProtocolGuid,
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EFI_NATIVE_INTERFACE,
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(EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[Index].DriverBinding
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);
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ASSERT_EFI_ERROR (Status);
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//
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// Update the ImageHandle and DriverBindingHandle fields of the Driver Binding Protocol
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//
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DriverBinding = (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[Index].DriverBinding;
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DriverBinding->ImageHandle = ImageHandle;
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DriverBinding->DriverBindingHandle = DriverBindingHandle;
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//
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// If Component Name Protocol is specified then install it and ASSERT() if the installation fails
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//
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if ((_gDriverModelProtocolBitmask & UEFI_DRIVER_MODEL_LIBRARY_COMPONENT_NAME_PROTOCOL_ENABLED) != 0) {
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if (_gDriverModelProtocolList[Index].ComponentName != NULL) {
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Status = gBS->InstallProtocolInterface (
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&DriverBindingHandle,
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&gEfiComponentNameProtocolGuid,
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EFI_NATIVE_INTERFACE,
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(EFI_COMPONENT_NAME_PROTOCOL *)_gDriverModelProtocolList[Index].ComponentName
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);
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ASSERT_EFI_ERROR (Status);
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}
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}
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//
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// If Driver Configuration Protocol is specified then install it and ASSERT() if the installation fails
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//
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if ((_gDriverModelProtocolBitmask & UEFI_DRIVER_MODEL_LIBRARY_DRIVER_CONFIGURATION_PROTOCOL_ENABLED) != 0) {
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if (_gDriverModelProtocolList[Index].DriverConfiguration != NULL) {
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Status = gBS->InstallProtocolInterface (
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&DriverBindingHandle,
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&gEfiDriverConfigurationProtocolGuid,
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EFI_NATIVE_INTERFACE,
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(EFI_DRIVER_CONFIGURATION_PROTOCOL *)_gDriverModelProtocolList[Index].DriverConfiguration
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);
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ASSERT_EFI_ERROR (Status);
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}
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}
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//
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// If Driver Diagnostics Protocol is specified then install it and ASSERT() if the installation fails
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//
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if ((_gDriverModelProtocolBitmask & UEFI_DRIVER_MODEL_LIBRARY_DRIVER_DIAGNOSTICS_PROTOCOL_ENABLED) != 0) {
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if (_gDriverModelProtocolList[Index].DriverDiagnostics != NULL) {
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Status = gBS->InstallProtocolInterface (
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&DriverBindingHandle,
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&gEfiDriverDiagnosticsProtocolGuid,
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EFI_NATIVE_INTERFACE,
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(EFI_DRIVER_DIAGNOSTICS_PROTOCOL *)_gDriverModelProtocolList[Index].DriverDiagnostics
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);
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ASSERT_EFI_ERROR (Status);
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}
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}
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//
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// Install subsequent Driver Bindng Protocols onto new handles
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//
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DriverBindingHandle = NULL;
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}
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}
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return EFI_SUCCESS;
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}
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/**
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The destructor function uninstalls the standard EFI Driver Model Protocols.
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@param[in] ImageHandle The firmware allocated handle for the EFI image.
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@param[in] SystemTable A pointer to the EFI System Table.
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@retval EFI_SUCCESS The destructor always return EFI_SUCCESS.
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**/
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EFI_STATUS
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EFIAPI
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UefiDriverModelLibDestructor (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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EFI_STATUS Status;
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UINTN Index;
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EFI_HANDLE DriverBindingHandle;
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//
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// If no Driver Binding Protocols are advertised by the driver then simply return
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//
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if (_gDriverModelProtocolListEntries == 0) {
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return EFI_SUCCESS;
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}
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//
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// See if onle one Driver Binding Protocol is advertised by the driver
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//
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if (_gDriverModelProtocolListEntries == 1) {
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//
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// The Driver Binding Protocol must never be NULL
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//
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ASSERT(_gDriverModelProtocolList[0].DriverBinding != NULL);
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//
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// Retrieve the DriverBindingHandle from the Driver Binding Protocol
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//
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DriverBindingHandle = _gDriverModelProtocolList[0].DriverBinding->DriverBindingHandle;
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//
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// Check for all 8 possible combinations of the ComponentName, DriverConfiguration, and DriverDiagnostics Protocol
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// These are all checks against const pointers, so the optimizing compiler will only select one of the
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// calls to InstallMultipleProtocolInterfaces()
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//
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if (_gDriverModelProtocolList[0].DriverDiagnostics == NULL) {
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if (_gDriverModelProtocolList[0].DriverConfiguration == NULL) {
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if (_gDriverModelProtocolList[0].ComponentName == NULL) {
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Status = gBS->UninstallMultipleProtocolInterfaces (
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DriverBindingHandle,
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&gEfiDriverBindingProtocolGuid, (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[0].DriverBinding,
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NULL
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);
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} else {
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Status = gBS->UninstallMultipleProtocolInterfaces (
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&DriverBindingHandle,
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&gEfiDriverBindingProtocolGuid, (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[0].DriverBinding,
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&gEfiComponentNameProtocolGuid, (EFI_COMPONENT_NAME_PROTOCOL *)_gDriverModelProtocolList[0].ComponentName,
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NULL
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);
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}
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} else {
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if (_gDriverModelProtocolList[0].ComponentName == NULL) {
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Status = gBS->UninstallMultipleProtocolInterfaces (
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&DriverBindingHandle,
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&gEfiDriverBindingProtocolGuid, (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[0].DriverBinding,
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&gEfiDriverConfigurationProtocolGuid, (EFI_DRIVER_CONFIGURATION_PROTOCOL *)_gDriverModelProtocolList[0].DriverConfiguration,
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NULL
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);
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} else {
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Status = gBS->UninstallMultipleProtocolInterfaces (
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&DriverBindingHandle,
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&gEfiDriverBindingProtocolGuid, (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[0].DriverBinding,
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&gEfiComponentNameProtocolGuid, (EFI_COMPONENT_NAME_PROTOCOL *)_gDriverModelProtocolList[0].ComponentName,
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&gEfiDriverConfigurationProtocolGuid, (EFI_DRIVER_CONFIGURATION_PROTOCOL *)_gDriverModelProtocolList[0].DriverConfiguration,
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NULL
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);
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}
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}
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} else {
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if (_gDriverModelProtocolList[0].DriverConfiguration == NULL) {
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if (_gDriverModelProtocolList[0].ComponentName == NULL) {
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Status = gBS->UninstallMultipleProtocolInterfaces (
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&DriverBindingHandle,
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&gEfiDriverBindingProtocolGuid, (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[0].DriverBinding,
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&gEfiDriverDiagnosticsProtocolGuid, (EFI_DRIVER_DIAGNOSTICS_PROTOCOL *)_gDriverModelProtocolList[0].DriverDiagnostics,
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NULL
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);
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} else {
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Status = gBS->UninstallMultipleProtocolInterfaces (
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&DriverBindingHandle,
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&gEfiDriverBindingProtocolGuid, (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[0].DriverBinding,
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&gEfiComponentNameProtocolGuid, (EFI_COMPONENT_NAME_PROTOCOL *)_gDriverModelProtocolList[0].ComponentName,
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&gEfiDriverDiagnosticsProtocolGuid, (EFI_DRIVER_DIAGNOSTICS_PROTOCOL *)_gDriverModelProtocolList[0].DriverDiagnostics,
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NULL
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);
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}
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} else {
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if (_gDriverModelProtocolList[0].ComponentName == NULL) {
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Status = gBS->UninstallMultipleProtocolInterfaces (
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&DriverBindingHandle,
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&gEfiDriverBindingProtocolGuid, (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[0].DriverBinding,
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&gEfiDriverConfigurationProtocolGuid, (EFI_DRIVER_CONFIGURATION_PROTOCOL *)_gDriverModelProtocolList[0].DriverConfiguration,
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&gEfiDriverDiagnosticsProtocolGuid, (EFI_DRIVER_DIAGNOSTICS_PROTOCOL *)_gDriverModelProtocolList[0].DriverDiagnostics,
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NULL
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);
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} else {
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Status = gBS->UninstallMultipleProtocolInterfaces (
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&DriverBindingHandle,
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&gEfiDriverBindingProtocolGuid, (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[0].DriverBinding,
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|
|
&gEfiComponentNameProtocolGuid, (EFI_COMPONENT_NAME_PROTOCOL *)_gDriverModelProtocolList[0].ComponentName,
|
||
|
|
&gEfiDriverConfigurationProtocolGuid, (EFI_DRIVER_CONFIGURATION_PROTOCOL *)_gDriverModelProtocolList[0].DriverConfiguration,
|
||
|
|
&gEfiDriverDiagnosticsProtocolGuid, (EFI_DRIVER_DIAGNOSTICS_PROTOCOL *)_gDriverModelProtocolList[0].DriverDiagnostics,
|
||
|
|
NULL
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// ASSERT if the call to UninstallMultipleProtocolInterfaces() failed
|
||
|
|
//
|
||
|
|
ASSERT_EFI_ERROR (Status);
|
||
|
|
} else {
|
||
|
|
for (Index = 0; Index < _gDriverModelProtocolListEntries; Index++) {
|
||
|
|
//
|
||
|
|
// The Driver Binding Protocol must never be NULL
|
||
|
|
//
|
||
|
|
ASSERT(_gDriverModelProtocolList[Index].DriverBinding != NULL);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Retrieve the DriverBindingHandle from the Driver Binding Protocol
|
||
|
|
//
|
||
|
|
DriverBindingHandle = _gDriverModelProtocolList[0].DriverBinding->DriverBindingHandle;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Uninstall the Driver Binding Protocol and ASSERT() if the installation fails
|
||
|
|
//
|
||
|
|
Status = gBS->UninstallProtocolInterface (
|
||
|
|
DriverBindingHandle,
|
||
|
|
&gEfiDriverBindingProtocolGuid,
|
||
|
|
(EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[Index].DriverBinding
|
||
|
|
);
|
||
|
|
ASSERT_EFI_ERROR (Status);
|
||
|
|
|
||
|
|
//
|
||
|
|
// If Component Name Protocol is specified then uninstall it and ASSERT() if the uninstallation fails
|
||
|
|
//
|
||
|
|
if ((_gDriverModelProtocolBitmask & UEFI_DRIVER_MODEL_LIBRARY_COMPONENT_NAME_PROTOCOL_ENABLED) != 0) {
|
||
|
|
if (_gDriverModelProtocolList[Index].ComponentName != NULL) {
|
||
|
|
Status = gBS->UninstallProtocolInterface (
|
||
|
|
DriverBindingHandle,
|
||
|
|
&gEfiComponentNameProtocolGuid,
|
||
|
|
(EFI_COMPONENT_NAME_PROTOCOL *)_gDriverModelProtocolList[Index].ComponentName
|
||
|
|
);
|
||
|
|
ASSERT_EFI_ERROR (Status);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// If Driver Configuration Protocol is specified then uninstall it and ASSERT() if the uninstallation fails
|
||
|
|
//
|
||
|
|
if ((_gDriverModelProtocolBitmask & UEFI_DRIVER_MODEL_LIBRARY_DRIVER_CONFIGURATION_PROTOCOL_ENABLED) != 0) {
|
||
|
|
if (_gDriverModelProtocolList[Index].DriverConfiguration != NULL) {
|
||
|
|
Status = gBS->UninstallProtocolInterface (
|
||
|
|
DriverBindingHandle,
|
||
|
|
&gEfiDriverConfigurationProtocolGuid,
|
||
|
|
(EFI_DRIVER_CONFIGURATION_PROTOCOL *)_gDriverModelProtocolList[Index].DriverConfiguration
|
||
|
|
);
|
||
|
|
ASSERT_EFI_ERROR (Status);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// If Driver Diagnostics Protocol is specified then uninstall it and ASSERT() if the uninstallation fails
|
||
|
|
//
|
||
|
|
if ((_gDriverModelProtocolBitmask & UEFI_DRIVER_MODEL_LIBRARY_DRIVER_DIAGNOSTICS_PROTOCOL_ENABLED) != 0) {
|
||
|
|
if (_gDriverModelProtocolList[Index].DriverDiagnostics != NULL) {
|
||
|
|
Status = gBS->UninstallProtocolInterface (
|
||
|
|
DriverBindingHandle,
|
||
|
|
&gEfiDriverDiagnosticsProtocolGuid,
|
||
|
|
(EFI_DRIVER_DIAGNOSTICS_PROTOCOL *)_gDriverModelProtocolList[Index].DriverDiagnostics
|
||
|
|
);
|
||
|
|
ASSERT_EFI_ERROR (Status);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return EFI_SUCCESS;
|
||
|
|
}
|