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diff --git a/Silicon/AMD/Styx/Common/Protocol/AmdMpBoot.h b/Silicon/AMD/Styx/Common/Protocol/AmdMpBoot.h
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+/** @file
+
+ Copyright (c) 2016, AMD Inc. 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.
+
+**/
+
+#ifndef _AMD_MP_BOOT_H_
+#define _AMD_MP_BOOT_H_
+
+extern EFI_GUID gAmdMpBootProtocolGuid;
+
+typedef
+VOID
+(EFIAPI *PARK_SECONDARY_CORE) (
+ IN ARM_CORE_INFO *ArmCoreInfo,
+ IN EFI_PHYSICAL_ADDRESS SecondaryEntry
+ );
+
+typedef struct _AMD_MP_BOOT_INFO {
+ EFI_PHYSICAL_ADDRESS MpParkingBase;
+ UINTN MpParkingSize;
+ ARM_CORE_INFO *ArmCoreInfoTable;
+ UINTN ArmCoreCount;
+} AMD_MP_BOOT_INFO;
+
+typedef struct _AMD_MP_BOOT_PROTOCOL {
+ PARK_SECONDARY_CORE ParkSecondaryCore;
+ AMD_MP_BOOT_INFO *MpBootInfo;
+} AMD_MP_BOOT_PROTOCOL;
+
+#endif // _AMD_MP_BOOT_H_