ArmPlatformPkg/Bds: Add a signature in front of the Boot Argument propoer to this Bds

Each application loader has its own OptionalData format. To avoid to start a Boot Entry
that has not been created by ArmPlatform/Bds a signature has been added to the
OptionalData.


ArmPlatformPkg/Bds: Rename some internal structure from BDS_* to ARM_BDS_*



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12311 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 31 insertions, 0 deletions

diff --git a/ArmPlatformPkg/Bds/BdsHelper.c b/ArmPlatformPkg/Bds/BdsHelper.c
index 0a69611..91b4234 100644
--- a/ArmPlatformPkg/Bds/BdsHelper.c
+++ b/ArmPlatformPkg/Bds/BdsHelper.c
@@ -343,3 +343,34 @@ BdsStartBootOption (
   }
   return Status;
 }
+
+UINTN
+GetUnalignedDevicePathSize (
+  IN EFI_DEVICE_PATH* DevicePath
+  )
+{
+  UINTN Size;
+  EFI_DEVICE_PATH* AlignedDevicePath;
+
+  if ((UINTN)DevicePath & 0x1) {
+    AlignedDevicePath = DuplicateDevicePath (DevicePath);
+    Size = GetDevicePathSize (AlignedDevicePath);
+    FreePool (AlignedDevicePath);
+  } else {
+    Size = GetDevicePathSize (DevicePath);
+  }
+  return Size;
+}
+
+EFI_DEVICE_PATH*
+GetAlignedDevicePath (
+  IN EFI_DEVICE_PATH* DevicePath
+  )
+{
+  if ((UINTN)DevicePath & 0x1) {
+    return DuplicateDevicePath (DevicePath);
+  } else {
+    return DevicePath;
+  }
+}
+