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/** @file
*
* Copyright (c) 2011, ARM Limited. All rights reserved.
*
* 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 __ARM_GLOBAL_VARIABLE_H__
#define __ARM_GLOBAL_VARIABLE_H__
#define ARM_GLOBAL_VARIABLE_PPI_GUID \
{ 0xab1c1816, 0xd542, 0x4e6f, {0x9b, 0x1e, 0x8e, 0xcd, 0x92, 0x53, 0xe2, 0xe7} }
/**
This service of the EFI_PEI_TEMPORARY_RAM_SUPPORT_PPI that migrates temporary RAM into
permanent memory.
@param PeiServices Pointer to the PEI Services Table.
@param TemporaryMemoryBase Source Address in temporary memory from which the SEC or PEIM will copy the
Temporary RAM contents.
@param PermanentMemoryBase Destination Address in permanent memory into which the SEC or PEIM will copy the
Temporary RAM contents.
@param CopySize Amount of memory to migrate from temporary to permanent memory.
@retval EFI_SUCCESS The data was successfully returned.
@retval EFI_INVALID_PARAMETER PermanentMemoryBase + CopySize > TemporaryMemoryBase when
TemporaryMemoryBase > PermanentMemoryBase.
**/
typedef
EFI_STATUS
(EFIAPI * ARM_GLOBAL_VARIABLE_GET_MEMORY) (
OUT EFI_PHYSICAL_ADDRESS *GlobalVariableBase
);
///
/// This service abstracts the ability to migrate contents of the platform early memory store.
/// Note: The name EFI_PEI_TEMPORARY_RAM_SUPPORT_PPI is different from the current PI 1.2 spec.
/// This PPI was optional.
///
typedef struct {
ARM_GLOBAL_VARIABLE_GET_MEMORY GetGlobalVariableMemory;
} ARM_GLOBAL_VARIABLE_PPI;
extern EFI_GUID gArmGlobalVariablePpiGuid;
#endif
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