8fc38a3f50
This library hides where the 'XIP' Global Variable are located in the memory. It is expected the Sec/PrePi modules define the Global Variable area through the GlobalVariable HOB. The ArmPlatformGlobalVariableLib library allows access to global variables by their offsets in this region. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12420 6f19259b-4bc3-4df7-8a09-765794883524
56 lines
2.1 KiB
C
56 lines
2.1 KiB
C
/** @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
|