1 files changed, 91 insertions, 0 deletions
diff --git a/Silicon/BroxtonSoC/BroxtonSiPkg/Txe/Library/SmmHeciMsgLib/SmmHeciMsgLib.c b/Silicon/BroxtonSoC/BroxtonSiPkg/Txe/Library/SmmHeciMsgLib/SmmHeciMsgLib.c
new file mode 100644
index 0000000000..d2d3da37cb
--- /dev/null
+++ b/Silicon/BroxtonSoC/BroxtonSiPkg/Txe/Library/SmmHeciMsgLib/SmmHeciMsgLib.c
@@ -0,0 +1,91 @@
+/** @file
+  Implementation file for Heci Message functionality.
+
+  Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
+
+  This program and the accompanying materials
+  are licensed and made available under the terms and conditions of the BSD License
+  which accompanies this distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php.
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <Library/BaseLib.h>
+#include <Library/DebugLib.h>
+#include <Library/HeciMsgLib.h>
+#include <Library/SmmServicesTableLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+
+UINT8       *mNonSmmData = NULL;
+
+/**
+  Set Read Write Temp memory.
+
+  @param[in]  Address   Temp memory.
+
+**/
+VOID
+HeciSetReadWriteCache (
+  VOID*  Address
+  );
+
+/**
+  SmmEndOfDxeCallback
+
+  @param[in]  Protocol
+  @param[in]  Interface
+  @param[in]  Handle
+
+  @retval     EFI_STATUS
+
+**/
+EFI_STATUS
+EFIAPI
+HeciMsgLibSmmEndOfDxeNotification (
+  IN CONST EFI_GUID                       *Protocol,
+  IN VOID                                 *Interface,
+  IN EFI_HANDLE                           Handle
+  )
+{
+  return EFI_SUCCESS;
+}
+
+
+EFI_STATUS
+EFIAPI
+HeciMsgLibSmmConstructor (
+  IN EFI_HANDLE        ImageHandle,
+  IN EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+  EFI_STATUS  Status;
+  VOID        *SmmEndOfDxeRegistration;
+
+  Status = gBS->AllocatePages (
+                  AllocateAnyPages,
+                  EfiBootServicesData,
+                  EFI_SIZE_TO_PAGES (SIZE_64KB),
+                  (EFI_PHYSICAL_ADDRESS *) (UINTN) &mNonSmmData
+                  );
+  ASSERT_EFI_ERROR (Status);
+
+  if (mNonSmmData == NULL) {
+    ASSERT (mNonSmmData != NULL);
+    return EFI_OUT_OF_RESOURCES;
+  }
+
+  HeciSetReadWriteCache (mNonSmmData);
+
+  Status = gSmst->SmmRegisterProtocolNotify (
+                    &gEfiSmmEndOfDxeProtocolGuid,
+                    HeciMsgLibSmmEndOfDxeNotification,
+                    &SmmEndOfDxeRegistration
+                    );
+  ASSERT_EFI_ERROR (Status);
+
+  return Status;
+}
+