]> git.proxmox.com Git - mirror_edk2.git/blobdiff - MdeModulePkg/Universal/DevicePathDxe/DevicePath.c
MdeModulePkg: Replace BSD License with BSD+Patent License
[mirror_edk2.git] / MdeModulePkg / Universal / DevicePathDxe / DevicePath.c
index 8aff74d64e6391796ab59954495106809ac401b1..cba21498761145af013a59b9cb6f562a8683d617 100644 (file)
@@ -1,81 +1,71 @@
-/*++\r
-\r
-Copyright (c) 2006, Intel Corporation                                                         \r
-All rights reserved. This program and the accompanying materials                          \r
-are licensed and made available under the terms and conditions of the BSD License         \r
-which accompanies this distribution.  The full text of the license may be found at        \r
-http://opensource.org/licenses/bsd-license.php                                            \r
-                                                                                          \r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     \r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             \r
-\r
-Module Name:\r
-\r
-  DevicePathDriver.c\r
-\r
-Abstract:\r
-\r
+/** @file\r
   Device Path Driver to produce DevPathUtilities Protocol, DevPathFromText Protocol\r
   and DevPathToText Protocol.\r
 \r
---*/\r
-\r
-#include "DevicePath.h"\r
-\r
-EFI_HANDLE  mDevicePathHandle = NULL;\r
-\r
-GLOBAL_REMOVE_IF_UNREFERENCED const EFI_DEVICE_PATH_UTILITIES_PROTOCOL mDevicePathUtilities = {\r
-  GetDevicePathSizeProtocolInterface,\r
-  DuplicateDevicePathProtocolInterface,\r
-  AppendDevicePathProtocolInterface,\r
-  AppendDeviceNodeProtocolInterface,\r
-  AppendDevicePathInstanceProtocolInterface,\r
-  GetNextDevicePathInstanceProtocolInterface,\r
-  IsDevicePathMultiInstanceProtocolInterface,\r
-  CreateDeviceNodeProtocolInterface\r
+Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>\r
+SPDX-License-Identifier: BSD-2-Clause-Patent\r
+\r
+**/\r
+\r
+#include <Uefi.h>\r
+#include <Protocol/DevicePathUtilities.h>\r
+#include <Protocol/DevicePathToText.h>\r
+#include <Protocol/DevicePathFromText.h>\r
+#include <Library/UefiDriverEntryPoint.h>\r
+#include <Library/UefiBootServicesTableLib.h>\r
+#include <Library/DevicePathLib.h>\r
+#include <Library/PcdLib.h>\r
+\r
+GLOBAL_REMOVE_IF_UNREFERENCED CONST EFI_DEVICE_PATH_UTILITIES_PROTOCOL mDevicePathUtilities = {\r
+  GetDevicePathSize,\r
+  DuplicateDevicePath,\r
+  AppendDevicePath,\r
+  AppendDevicePathNode,\r
+  AppendDevicePathInstance,\r
+  GetNextDevicePathInstance,\r
+  IsDevicePathMultiInstance,\r
+  CreateDeviceNode\r
 };\r
 \r
-GLOBAL_REMOVE_IF_UNREFERENCED const EFI_DEVICE_PATH_TO_TEXT_PROTOCOL   mDevicePathToText = {\r
+GLOBAL_REMOVE_IF_UNREFERENCED CONST EFI_DEVICE_PATH_TO_TEXT_PROTOCOL   mDevicePathToText = {\r
   ConvertDeviceNodeToText,\r
   ConvertDevicePathToText\r
 };\r
 \r
-GLOBAL_REMOVE_IF_UNREFERENCED const EFI_DEVICE_PATH_FROM_TEXT_PROTOCOL mDevicePathFromText = {\r
-  ConvertTextToDeviceNode,  \r
-  ConvertTextToDevicePath  \r
+GLOBAL_REMOVE_IF_UNREFERENCED CONST EFI_DEVICE_PATH_FROM_TEXT_PROTOCOL mDevicePathFromText = {\r
+  ConvertTextToDeviceNode,\r
+  ConvertTextToDevicePath\r
 };\r
 \r
-GLOBAL_REMOVE_IF_UNREFERENCED const EFI_GUID mEfiDevicePathMessagingUartFlowControlGuid = DEVICE_PATH_MESSAGING_UART_FLOW_CONTROL;\r
-GLOBAL_REMOVE_IF_UNREFERENCED const EFI_GUID mEfiDevicePathMessagingSASGuid             = DEVICE_PATH_MESSAGING_SAS;\r
+/**\r
+  The user Entry Point for DevicePath module.\r
 \r
+  This is the entry point for DevicePath module. It installs the UEFI Device Path Utility Protocol and\r
+  optionally the Device Path to Text and Device Path from Text protocols based on feature flags.\r
+\r
+  @param[in] ImageHandle    The firmware allocated handle for the EFI image.\r
+  @param[in] SystemTable    A pointer to the EFI System Table.\r
+\r
+  @retval EFI_SUCCESS       The entry point is executed successfully.\r
+  @retval Others            Some error occurs when executing this entry point.\r
+\r
+**/\r
 EFI_STATUS\r
 EFIAPI\r
 DevicePathEntryPoint (\r
   IN EFI_HANDLE           ImageHandle,\r
   IN EFI_SYSTEM_TABLE     *SystemTable\r
   )\r
-/*++\r
-\r
-  Routine Description:\r
-    Entry point for EFI drivers.\r
-\r
-  Arguments:\r
-   ImageHandle - EFI_HANDLE\r
-   SystemTable - EFI_SYSTEM_TABLE\r
-\r
-  Returns:\r
-    EFI_SUCCESS\r
-    others\r
-\r
---*/\r
 {\r
   EFI_STATUS  Status;\r
\r
+  EFI_HANDLE  Handle;\r
+\r
+  Handle = NULL;\r
   Status = EFI_UNSUPPORTED;\r
   if (FeaturePcdGet (PcdDevicePathSupportDevicePathToText)) {\r
     if (FeaturePcdGet (PcdDevicePathSupportDevicePathFromText)) {\r
       Status = gBS->InstallMultipleProtocolInterfaces (\r
-                      &mDevicePathHandle,\r
+                      &Handle,\r
                       &gEfiDevicePathUtilitiesProtocolGuid, &mDevicePathUtilities,\r
                       &gEfiDevicePathToTextProtocolGuid,    &mDevicePathToText,\r
                       &gEfiDevicePathFromTextProtocolGuid,  &mDevicePathFromText,\r
@@ -83,7 +73,7 @@ DevicePathEntryPoint (
                       );\r
     } else {\r
       Status = gBS->InstallMultipleProtocolInterfaces (\r
-                      &mDevicePathHandle,\r
+                      &Handle,\r
                       &gEfiDevicePathUtilitiesProtocolGuid, &mDevicePathUtilities,\r
                       &gEfiDevicePathToTextProtocolGuid,    &mDevicePathToText,\r
                       NULL\r
@@ -92,14 +82,14 @@ DevicePathEntryPoint (
   } else {\r
     if (FeaturePcdGet (PcdDevicePathSupportDevicePathFromText)) {\r
       Status = gBS->InstallMultipleProtocolInterfaces (\r
-                      &mDevicePathHandle,\r
+                      &Handle,\r
                       &gEfiDevicePathUtilitiesProtocolGuid, &mDevicePathUtilities,\r
                       &gEfiDevicePathFromTextProtocolGuid,  &mDevicePathFromText,\r
                       NULL\r
                       );\r
     } else {\r
       Status = gBS->InstallMultipleProtocolInterfaces (\r
-                      &mDevicePathHandle,\r
+                      &Handle,\r
                       &gEfiDevicePathUtilitiesProtocolGuid, &mDevicePathUtilities,\r
                       NULL\r
                       );\r