1 files changed, 42 insertions, 0 deletions
diff --git a/IntelFsp2Pkg/Library/BaseFspCommonLib/ReturnStatus.c b/IntelFsp2Pkg/Library/BaseFspCommonLib/ReturnStatus.c
new file mode 100644
index 0000000000..1854e8c99c
--- /dev/null
+++ b/IntelFsp2Pkg/Library/BaseFspCommonLib/ReturnStatus.c
@@ -0,0 +1,42 @@
+/** @file
+  Copyright (c) 2014 - 2022, Intel Corporation. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include <PiPei.h>
+#include <Library/BaseLib.h>
+#include <Library/DebugLib.h>
+#include <Library/PcdLib.h>
+#include <Library/FspCommonLib.h>
+#include <FspEas.h>
+#include <Library/FspSwitchStackLib.h>
+
+/**
+  This function updates the return status of the FSP API with requested reset type and returns to Boot Loader.
+
+  @param[in] FspResetType     Reset type that needs to returned as API return status
+
+**/
+VOID
+EFIAPI
+FspApiReturnStatusReset (
+  IN EFI_STATUS  FspResetType
+  )
+{
+  volatile BOOLEAN  LoopUntilReset;
+
+  LoopUntilReset = TRUE;
+  DEBUG ((DEBUG_INFO, "FSP returning control to Bootloader with reset required return status %x\n", FspResetType));
+  if (GetFspGlobalDataPointer ()->FspMode == FSP_IN_API_MODE) {
+    ///
+    /// Below code is not an infinite loop.The control will go back to API calling function in BootLoader each time BootLoader
+    /// calls the FSP API without honoring the reset request by FSP
+    ///
+    do {
+      SetFspApiReturnStatus (FspResetType);
+      Pei2LoaderSwitchStack ();
+      DEBUG ((DEBUG_ERROR, "!!!ERROR: FSP has requested BootLoader for reset. But BootLoader has not honored the reset\n"));
+      DEBUG ((DEBUG_ERROR, "!!!ERROR: Please add support in BootLoader to honor the reset request from FSP\n"));
+    } while (LoopUntilReset);
+  }
+}