From 91213ad3dd948000e7764352533d60eb183aa234 Mon Sep 17 00:00:00 2001
From: oliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Thu, 9 Feb 2012 15:34:16 +0000
Subject: [PATCH] ArmPlatformPkg/Bds: Add support for 'BootCurrent'
The UEFI variable 'BootCurrent' defines the EFI application started by the Boot Manager.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13000 6f19259b-4bc3-4df7-8a09-765794883524
---
ArmPlatformPkg/Bds/BootOption.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/ArmPlatformPkg/Bds/BootOption.c b/ArmPlatformPkg/Bds/BootOption.c
index 3710178a43..289d36a50b 100644
--- a/ArmPlatformPkg/Bds/BootOption.c
+++ b/ArmPlatformPkg/Bds/BootOption.c
@@ -32,6 +32,7 @@ BootOptionStart (
UINTN CmdLineSize;
UINTN InitrdSize;
EFI_DEVICE_PATH* Initrd;
+ UINT16 LoadOptionIndexSize;
if (IS_ARM_BDS_BOOTENTRY (BootOption)) {
Status = EFI_UNSUPPORTED;
@@ -86,7 +87,19 @@ BootOptionStart (
FreePool (FdtDevicePath);
}
} else {
+ // Set BootCurrent variable
+ LoadOptionIndexSize = sizeof(UINT16);
+ gRT->SetVariable (L"BootCurrent", &gEfiGlobalVariableGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
+ LoadOptionIndexSize, &(BootOption->LoadOptionIndex));
+
Status = BdsStartEfiApplication (mImageHandle, BootOption->FilePathList, BootOption->OptionalDataSize, BootOption->OptionalData);
+
+ // Clear BootCurrent variable
+ LoadOptionIndexSize = sizeof(UINT16);
+ gRT->SetVariable (L"BootCurrent", &gEfiGlobalVariableGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
+ 0, NULL);
}
return Status;