MdeModulePkg:Create Boot Maintenance Manager Library

Split the boot maintenance manager library from UiApp in MdeModulePkg/Application and put the library in MdeModulePkg/Library. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Dandan Bi <dandan.bi@intel.com> Reviewed-by: Eric Dong <eric.dong@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18923 6f19259b-4bc3-4df7-8a09-765794883524
2015-11-23 09:34:55 +00:00
parent 32465d9ae7
commit 4af04335ac
12 changed files with 8468 additions and 0 deletions
--- a/MdeModulePkg/Library/BootMaintenanceManagerLib/BmLib.c
+++ b/MdeModulePkg/Library/BootMaintenanceManagerLib/BmLib.c
@@ -0,0 +1,89 @@
+/** @file
+Utility routines used by boot maintenance modules.
+
+Copyright (c) 2004 - 2015, Intel Corporation. All rights reserved.<BR>
+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 "BootMaintenanceManager.h"
+
+/**
+  Function deletes the variable specified by VarName and VarGuid.
+
+  @param VarName           A Null-terminated Unicode string that is
+                           the name of the vendor's variable.
+
+  @param VarGuid           A unique identifier for the vendor.
+
+  @retval  EFI_SUCCESS           The variable was found and removed
+  @retval  EFI_UNSUPPORTED       The variable store was inaccessible
+  @retval  EFI_NOT_FOUND         The variable was not found
+
+**/
+EFI_STATUS
+EfiLibDeleteVariable (
+  IN CHAR16   *VarName,
+  IN EFI_GUID *VarGuid
+  )
+{
+  return gRT->SetVariable (
+                VarName,
+                VarGuid,
+                0,
+                0,
+                NULL
+                );
+}
+
+/**
+  Function is used to determine the number of device path instances
+  that exist in a device path.
+
+
+  @param DevicePath      A pointer to a device path data structure.
+
+  @return This function counts and returns the number of device path instances
+          in DevicePath.
+
+**/
+UINTN
+EfiDevicePathInstanceCount (
+  IN EFI_DEVICE_PATH_PROTOCOL      *DevicePath
+  )
+{
+  UINTN Count;
+  UINTN Size;
+
+  Count = 0;
+  while (GetNextDevicePathInstance (&DevicePath, &Size) != NULL) {
+    Count += 1;
+  }
+
+  return Count;
+}
+
+/**
+  Get a string from the Data Hub record based on 
+  a device path.
+
+  @param DevPath         The device Path.
+
+  @return A string located from the Data Hub records based on
+          the device path.
+  @retval NULL  If failed to get the String from Data Hub.
+
+**/
+UINT16 *
+EfiLibStrFromDatahub (
+  IN EFI_DEVICE_PATH_PROTOCOL                 *DevPath
+  )
+{
+  return NULL;
+}