OvmfPkg: QemuFlashFvbServicesRuntimeDxe: adhere to -D SMM_REQUIRE

When the user requires "security" by passing -D SMM_REQUIRE, and
consequently by setting PcdSmmSmramRequire, enforce flash-based variables.

Furthermore, add two ASSERT()s to catch if the wrong module were pulled
into the build.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19063 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Laszlo Ersek
2015-11-30 18:48:54 +00:00
committed by lersek
parent 79397dbd2e
commit b963ec494c
5 changed files with 11 additions and 0 deletions

View File

@@ -17,6 +17,7 @@
#include <Guid/EventGroup.h>
#include <Library/DebugLib.h>
#include <Library/DevicePathLib.h>
#include <Library/PcdLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiRuntimeLib.h>
#include <Protocol/DevicePath.h>
@@ -34,6 +35,8 @@ InstallProtocolInterfaces (
EFI_HANDLE FwbHandle;
EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *OldFwbInterface;
ASSERT (!FeaturePcdGet (PcdSmmSmramRequire));
//
// Find a handle with a matching device path that has supports FW Block
// protocol