ArmPlatformPkg/Bds: Signal when the variable 'Fdt' has been updated

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



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16589 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 19 insertions, 0 deletions

diff --git a/ArmPlatformPkg/Bds/BootMenu.c b/ArmPlatformPkg/Bds/BootMenu.c
index 04a2eee6f5..3676bf0245 100644
--- a/ArmPlatformPkg/Bds/BootMenu.c
+++ b/ArmPlatformPkg/Bds/BootMenu.c
@@ -15,6 +15,7 @@
 #include "BdsInternal.h"

 

 #include <Guid/ArmGlobalVariableHob.h>

+#include <Guid/ArmPlatformEvents.h>

 

 extern BDS_LOAD_OPTION_SUPPORT *BdsLoadOptionSupportList;

 

@@ -834,6 +835,7 @@ UpdateFdtPath (
   BDS_SUPPORTED_DEVICE      *SupportedBootDevice;

   EFI_DEVICE_PATH_PROTOCOL  *FdtDevicePathNodes;

   EFI_DEVICE_PATH_PROTOCOL  *FdtDevicePath;

+  EFI_EVENT                 UpdateFdtEvent;

 

   Status = SelectBootDevice (&SupportedBootDevice);

   if (EFI_ERROR(Status)) {

@@ -873,6 +875,23 @@ UpdateFdtPath (
     ASSERT_EFI_ERROR(Status);

   }

 

+  if (!EFI_ERROR (Status)) {

+    //

+    // Signal FDT has been updated

+    //

+    Status = gBS->CreateEventEx (

+        EVT_NOTIFY_SIGNAL,

+        TPL_NOTIFY,

+        EmptyCallbackFunction,

+        NULL,

+        &gArmPlatformUpdateFdtEventGuid,

+        &UpdateFdtEvent

+        );

+    if (!EFI_ERROR (Status)) {

+      gBS->SignalEvent (UpdateFdtEvent);

+    }

+  }

+

 EXIT:

   if (Status == EFI_ABORTED) {

     Print(L"\n");