1 files changed, 150 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/SecurityPkg/Tcg/TcgConfigDxe/TcgConfigDriver.c b/src/VBox/Devices/EFI/Firmware/SecurityPkg/Tcg/TcgConfigDxe/TcgConfigDriver.c
new file mode 100644
index 00000000..3733cb01
--- /dev/null
+++ b/src/VBox/Devices/EFI/Firmware/SecurityPkg/Tcg/TcgConfigDxe/TcgConfigDriver.c
@@ -0,0 +1,150 @@
+/** @file
+  The module entry point for Tcg configuration module.
+
+Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "TcgConfigImpl.h"
+#include <Guid/TpmInstance.h>
+
+/**
+  The entry point for Tcg configuration driver.
+
+  @param[in]  ImageHandle        The image handle of the driver.
+  @param[in]  SystemTable        The system table.
+
+  @retval EFI_ALREADY_STARTED    The driver already exists in system.
+  @retval EFI_OUT_OF_RESOURCES   Fail to execute entry point due to lack of resources.
+  @retval EFI_SUCCESS            All the related protocols are installed on the driver.
+  @retval Others                 Fail to install protocols as indicated.
+
+**/
+EFI_STATUS
+EFIAPI
+TcgConfigDriverEntryPoint (
+  IN EFI_HANDLE          ImageHandle,
+  IN EFI_SYSTEM_TABLE    *SystemTable
+  )
+{
+  EFI_STATUS                Status;
+  TCG_CONFIG_PRIVATE_DATA   *PrivateData;
+  EFI_TCG_PROTOCOL          *TcgProtocol;
+
+  if (!CompareGuid (PcdGetPtr(PcdTpmInstanceGuid), &gEfiTpmDeviceInstanceTpm12Guid)){
+    DEBUG ((EFI_D_ERROR, "No TPM12 instance required!\n"));
+    return EFI_UNSUPPORTED;
+  }
+
+  Status = Tpm12RequestUseTpm ();
+  if (EFI_ERROR (Status)) {
+    DEBUG ((EFI_D_ERROR, "TPM not detected!\n"));
+    return Status;
+  }
+
+  Status = gBS->LocateProtocol (&gEfiTcgProtocolGuid, NULL, (VOID **) &TcgProtocol);
+  if (EFI_ERROR (Status)) {
+    TcgProtocol = NULL;
+  }
+
+  Status = gBS->OpenProtocol (
+                  ImageHandle,
+                  &gEfiCallerIdGuid,
+                  NULL,
+                  ImageHandle,
+                  ImageHandle,
+                  EFI_OPEN_PROTOCOL_TEST_PROTOCOL
+                  );
+  if (!EFI_ERROR (Status)) {
+    return EFI_ALREADY_STARTED;
+  }
+
+  //
+  // Create a private data structure.
+  //
+  PrivateData = AllocateCopyPool (sizeof (TCG_CONFIG_PRIVATE_DATA), &mTcgConfigPrivateDateTemplate);
+  if (PrivateData == NULL) {
+    return EFI_OUT_OF_RESOURCES;
+  }
+
+  PrivateData->Configuration = AllocatePool (sizeof (TCG_CONFIGURATION));
+  if (PrivateData->Configuration == NULL) {
+    Status = EFI_OUT_OF_RESOURCES;
+    goto ErrorExit;
+  }
+
+  PrivateData->TcgProtocol = TcgProtocol;
+
+  //
+  // Install TCG configuration form
+  //
+  Status = InstallTcgConfigForm (PrivateData);
+  if (EFI_ERROR (Status)) {
+    goto ErrorExit;
+  }
+
+  //
+  // Install private GUID.
+  //
+  Status = gBS->InstallMultipleProtocolInterfaces (
+                  &ImageHandle,
+                  &gEfiCallerIdGuid,
+                  PrivateData,
+                  NULL
+                  );
+
+  if (EFI_ERROR (Status)) {
+    goto ErrorExit;
+  }
+
+  return EFI_SUCCESS;
+
+ErrorExit:
+  if (PrivateData != NULL) {
+    UninstallTcgConfigForm (PrivateData);
+  }
+
+  return Status;
+}
+
+/**
+  Unload the Tcg configuration form.
+
+  @param[in]  ImageHandle         The driver's image handle.
+
+  @retval     EFI_SUCCESS         The Tcg configuration form is unloaded.
+  @retval     Others              Failed to unload the form.
+
+**/
+EFI_STATUS
+EFIAPI
+TcgConfigDriverUnload (
+  IN EFI_HANDLE  ImageHandle
+  )
+{
+  EFI_STATUS                  Status;
+  TCG_CONFIG_PRIVATE_DATA   *PrivateData;
+
+  Status = gBS->HandleProtocol (
+                  ImageHandle,
+                  &gEfiCallerIdGuid,
+                  (VOID **) &PrivateData
+                  );
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+
+  ASSERT (PrivateData->Signature == TCG_CONFIG_PRIVATE_DATA_SIGNATURE);
+
+  gBS->UninstallMultipleProtocolInterfaces (
+         ImageHandle,
+         &gEfiCallerIdGuid,
+         PrivateData,
+         NULL
+         );
+
+  UninstallTcgConfigForm (PrivateData);
+
+  return EFI_SUCCESS;
+}