1 files changed, 116 insertions, 0 deletions
diff --git a/OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FwBlockServiceStandaloneMm.c b/OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FwBlockServiceStandaloneMm.c
new file mode 100644
index 0000000..3ec3826
--- /dev/null
+++ b/OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FwBlockServiceStandaloneMm.c
@@ -0,0 +1,116 @@
+/**@file
+  Functions related to the Firmware Volume Block service whose
+  implementation is specific to the SMM driver build.
+
+  Copyright (C) 2015, Red Hat, Inc.
+  Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include <Library/DebugLib.h>
+#include <Library/PcdLib.h>
+#include <Library/MmServicesTableLib.h>
+#include <Protocol/DevicePath.h>
+#include <Protocol/SmmFirmwareVolumeBlock.h>
+
+#include "FwBlockService.h"
+
+VOID
+InstallProtocolInterfaces (
+  IN EFI_FW_VOL_BLOCK_DEVICE  *FvbDevice
+  )
+{
+  EFI_HANDLE  FvbHandle;
+  EFI_STATUS  Status;
+
+  ASSERT (FeaturePcdGet (PcdSmmSmramRequire));
+
+  //
+  // There is no SMM service that can install multiple protocols in the SMM
+  // protocol database in one go.
+  //
+  // The SMM Firmware Volume Block protocol structure is the same as the
+  // Firmware Volume Block protocol structure.
+  //
+  FvbHandle = NULL;
+  DEBUG ((DEBUG_INFO, "Installing QEMU flash SMM FVB\n"));
+  Status = gMmst->MmInstallProtocolInterface (
+                    &FvbHandle,
+                    &gEfiSmmFirmwareVolumeBlockProtocolGuid,
+                    EFI_NATIVE_INTERFACE,
+                    &FvbDevice->FwVolBlockInstance
+                    );
+  ASSERT_EFI_ERROR (Status);
+
+  Status = gMmst->MmInstallProtocolInterface (
+                    &FvbHandle,
+                    &gEfiDevicePathProtocolGuid,
+                    EFI_NATIVE_INTERFACE,
+                    FvbDevice->DevicePath
+                    );
+  ASSERT_EFI_ERROR (Status);
+}
+
+VOID
+InstallVirtualAddressChangeHandler (
+  VOID
+  )
+{
+  //
+  // Nothing.
+  //
+}
+
+EFI_STATUS
+MarkIoMemoryRangeForRuntimeAccess (
+  IN EFI_PHYSICAL_ADDRESS  BaseAddress,
+  IN UINTN                 Length
+  )
+{
+  //
+  // Nothing
+  //
+
+  return EFI_SUCCESS;
+}
+
+VOID
+SetPcdFlashNvStorageBaseAddresses (
+  VOID
+  )
+{
+  //
+  // Do nothing.
+  //
+}
+
+VOID
+UpdateQemuFlashVariablesEnable (
+  VOID
+  )
+{
+  //
+  // Do nothing for Standalone MM.
+  //
+}
+
+/**
+  Abstracted entry point for Standalone MM instance.
+  FVB Standalone MM driver entry point.
+
+  @param[in] ImageHandle    A handle for the image that is initializing this
+                            driver
+  @param[in] MmSystemTable  A pointer to the MM system table
+
+  @retval EFI_SUCCESS       Variable service successfully initialized.
+**/
+EFI_STATUS
+EFIAPI
+FvbInitializeStandaloneMm (
+  IN EFI_HANDLE           ImageHandle,
+  IN EFI_MM_SYSTEM_TABLE  *MmSystemTable
+  )
+{
+  return FvbInitialize (NULL, NULL);
+}