ArmPkg: Introduce GetGlobalEnvironmentVariable() function.

Rename GetEnvironmentVariable() function into GetGlobalEnvironmentVariable().
GetEnvironmentVariable() function sill exists but caller must now pass a Guid.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14176 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 24 insertions, 11 deletions

diff --git a/ArmPkg/Library/BdsLib/BdsHelper.c b/ArmPkg/Library/BdsLib/BdsHelper.c
index 5016bedcd4..fb2ac9b806 100644
--- a/ArmPkg/Library/BdsLib/BdsHelper.c
+++ b/ArmPkg/Library/BdsLib/BdsHelper.c
@@ -1,14 +1,14 @@
 /** @file

 *

-*  Copyright (c) 2011-2012, ARM Limited. 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                                            

+*  Copyright (c) 2011-2013, ARM Limited. All rights reserved.

 *

-*  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     

-*  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             

+*  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.

 *

 **/

 

@@ -294,8 +294,21 @@ PrintPerformance (
 }

 

 EFI_STATUS

+GetGlobalEnvironmentVariable (

+  IN     CONST CHAR16*   VariableName,

+  IN     VOID*           DefaultValue,

+  IN OUT UINTN*          Size,

+  OUT    VOID**          Value

+  )

+{

+  return GetEnvironmentVariable (VariableName, &gEfiGlobalVariableGuid,

+           DefaultValue, Size, Value);

+}

+

+EFI_STATUS

 GetEnvironmentVariable (

   IN     CONST CHAR16*   VariableName,

+  IN     EFI_GUID*       VendorGuid,

   IN     VOID*           DefaultValue,

   IN OUT UINTN*          Size,

   OUT    VOID**          Value

@@ -307,13 +320,13 @@ GetEnvironmentVariable (
   // Try to get the variable size.

   *Value = NULL;

   VariableSize = 0;

-  Status = gRT->GetVariable ((CHAR16 *) VariableName, &gEfiGlobalVariableGuid, NULL, &VariableSize, *Value);

+  Status = gRT->GetVariable ((CHAR16 *) VariableName, VendorGuid, NULL, &VariableSize, *Value);

   if (Status == EFI_NOT_FOUND) {

     if ((DefaultValue != NULL) && (Size != NULL) && (*Size != 0)) {

       // If the environment variable does not exist yet then set it with the default value

       Status = gRT->SetVariable (

                     (CHAR16*)VariableName,

-                    &gEfiGlobalVariableGuid,

+                    VendorGuid,

                     EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,

                     *Size,

                     DefaultValue

@@ -329,7 +342,7 @@ GetEnvironmentVariable (
       return EFI_OUT_OF_RESOURCES;

     }

 

-    Status = gRT->GetVariable ((CHAR16 *)VariableName, &gEfiGlobalVariableGuid, NULL, &VariableSize, *Value);

+    Status = gRT->GetVariable ((CHAR16 *)VariableName, VendorGuid, NULL, &VariableSize, *Value);

     if (EFI_ERROR (Status)) {

       FreePool(*Value);

       return EFI_INVALID_PARAMETER;