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
This commit is contained in:
oliviermartin
2013-03-12 00:42:59 +00:00
parent 7135d76d56
commit c0b2e4775d
10 changed files with 104 additions and 84 deletions

View File

@@ -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.
*
**/
@@ -204,7 +204,7 @@ LinuxLoaderConfig (
Choice = LINUX_LOADER_NEW;
// Scan the OptionalData of every entry for the correct signature
Status = GetEnvironmentVariable (L"BootOrder", NULL, &BootOrderSize, (VOID**)&BootOrder);
Status = GetGlobalEnvironmentVariable (L"BootOrder", NULL, &BootOrderSize, (VOID**)&BootOrder);
if (!EFI_ERROR(Status)) {
BootOrderCount = BootOrderSize / sizeof(UINT16);

View File

@@ -1,14 +1,14 @@
/** @file
*
* Copyright (c) 2011, 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) 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.
*
**/
@@ -66,9 +66,18 @@ BdsConnectAllDrivers (
VOID
);
EFI_STATUS
GetGlobalEnvironmentVariable (
IN CONST CHAR16* VariableName,
IN VOID* DefaultValue,
IN OUT UINTN* Size,
OUT VOID** Value
);
EFI_STATUS
GetEnvironmentVariable (
IN CONST CHAR16* VariableName,
IN EFI_GUID* VendorGuid,
IN VOID* DefaultValue,
IN OUT UINTN* Size,
OUT VOID** Value

View File

@@ -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.
*
**/
@@ -293,9 +293,22 @@ PrintPerformance (
SerialPortWrite ((UINT8 *) Buffer, CharCount);
}
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;

View File

@@ -49,6 +49,7 @@
[Guids]
gEfiFileInfoGuid
gArmMpCoreInfoGuid
gArmGlobalVariableGuid
[Protocols]
gEfiBdsArchProtocolGuid

View File

@@ -1,6 +1,6 @@
/** @file
*
* Copyright (c) 2011-2012, ARM Limited. All rights reserved.
* Copyright (c) 2011-2013, 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
@@ -76,7 +76,7 @@ BootOptionFromLoadOptionVariable (
EFI_LOAD_OPTION EfiLoadOption;
UINTN EfiLoadOptionSize;
Status = GetEnvironmentVariable (BootVariableName, NULL, &EfiLoadOptionSize, (VOID**)&EfiLoadOption);
Status = GetGlobalEnvironmentVariable (BootVariableName, NULL, &EfiLoadOptionSize, (VOID**)&EfiLoadOption);
if (!EFI_ERROR(Status)) {
*BdsLoadOption = NULL;
Status = BootOptionParseLoadOption (EfiLoadOption, EfiLoadOptionSize, BdsLoadOption);
@@ -203,7 +203,7 @@ BootOptionToLoadOptionVariable (
// When it is a new entry we must add the entry to the BootOrder
if (OldLoadOption == NULL) {
// Add the new Boot Index to the list
Status = GetEnvironmentVariable (L"BootOrder", NULL, &BootOrderSize, (VOID**)&BootOrder);
Status = GetGlobalEnvironmentVariable (L"BootOrder", NULL, &BootOrderSize, (VOID**)&BootOrder);
if (!EFI_ERROR(Status)) {
BootOrder = ReallocatePool (BootOrderSize, BootOrderSize + sizeof(UINT16), BootOrder);
// Add the new index at the end
@@ -225,7 +225,7 @@ BootOptionToLoadOptionVariable (
);
DEBUG((EFI_D_ERROR,"Create %s\n",BootVariableName));
// Free memory allocated by GetEnvironmentVariable
// Free memory allocated by GetGlobalEnvironmentVariable
if (!EFI_ERROR(Status)) {
FreePool (BootOrder);
}
@@ -249,7 +249,7 @@ BootOptionAllocateBootIndex (
BOOLEAN Found;
// Get the Boot Option Order from the environment variable
Status = GetEnvironmentVariable (L"BootOrder", NULL, &BootOrderSize, (VOID**)&BootOrder);
Status = GetGlobalEnvironmentVariable (L"BootOrder", NULL, &BootOrderSize, (VOID**)&BootOrder);
if (!EFI_ERROR(Status)) {
for (BootIndex = 0; BootIndex <= 0xFFFF; BootIndex++) {
Found = FALSE;