diff options
| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/MdeModulePkg/Library/BootMaintenanceManagerUiLib/BmLib.c | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/MdeModulePkg/Library/BootMaintenanceManagerUiLib/BmLib.c')
| -rw-r--r-- | roms/edk2/MdeModulePkg/Library/BootMaintenanceManagerUiLib/BmLib.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/roms/edk2/MdeModulePkg/Library/BootMaintenanceManagerUiLib/BmLib.c b/roms/edk2/MdeModulePkg/Library/BootMaintenanceManagerUiLib/BmLib.c new file mode 100644 index 000000000..4a1905a1c --- /dev/null +++ b/roms/edk2/MdeModulePkg/Library/BootMaintenanceManagerUiLib/BmLib.c @@ -0,0 +1,83 @@ +/** @file
+Utility routines used by boot maintenance modules.
+
+Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#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;
+}
|