mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-11-26 12:05:36 +01:00
47 lines
1.6 KiB
C
47 lines
1.6 KiB
C
|
/** @file
|
||
|
|
This file declares Temporary RAM Done PPI.
|
||
|
|
The PPI that provides a service to disable the use of Temporary RAM.
|
||
|
|
|
||
|
|
Copyright (c) 2013 - 2018, Intel Corporation. All rights reserved.<BR>
|
||
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
||
|
|
|
||
|
|
@par Revision Reference:
|
||
|
|
This PPI is introduced in PI Version 1.2.1.
|
||
|
|
|
||
|
|
**/
|
||
|
|
|
||
|
|
#ifndef __TEMPORARY_RAM_DONE_H__
|
||
|
|
#define __TEMPORARY_RAM_DONE_H__
|
||
|
|
|
||
|
|
#define EFI_PEI_TEMPORARY_RAM_DONE_PPI_GUID \
|
||
|
|
{ 0xceab683c, 0xec56, 0x4a2d, { 0xa9, 0x6, 0x40, 0x53, 0xfa, 0x4e, 0x9c, 0x16 } }
|
||
|
|
|
||
|
|
/**
|
||
|
|
TemporaryRamDone() disables the use of Temporary RAM. If present, this service is invoked
|
||
|
|
by the PEI Foundation after the EFI_PEI_PERMANANT_MEMORY_INSTALLED_PPI is installed.
|
||
|
|
|
||
|
|
@retval EFI_SUCCESS Use of Temporary RAM was disabled.
|
||
|
|
@retval EFI_INVALID_PARAMETER Temporary RAM could not be disabled.
|
||
|
|
|
||
|
|
**/
|
||
|
|
typedef
|
||
|
|
EFI_STATUS
|
||
|
|
(EFIAPI * EFI_PEI_TEMPORARY_RAM_DONE) (
|
||
|
|
VOID
|
||
|
|
);
|
||
|
|
|
||
|
|
///
|
||
|
|
/// This is an optional PPI that may be produced by SEC or a PEIM. If present, it provide a service to
|
||
|
|
/// disable the use of Temporary RAM. This service may only be called by the PEI Foundation after the
|
||
|
|
/// transition from Temporary RAM to Permanent RAM is complete. This PPI provides an alternative
|
||
|
|
/// to the Temporary RAM Migration PPI for system architectures that allow Temporary RAM and
|
||
|
|
/// Permanent RAM to be enabled and accessed at the same time with no side effects.
|
||
|
|
///
|
||
|
|
typedef struct _EFI_PEI_TEMPORARY_RAM_DONE_PPI {
|
||
|
|
EFI_PEI_TEMPORARY_RAM_DONE TemporaryRamDone;
|
||
|
|
} EFI_PEI_TEMPORARY_RAM_DONE_PPI;
|
||
|
|
|
||
|
|
extern EFI_GUID gEfiTemporaryRamDonePpiGuid;
|
||
|
|
|
||
|
|
#endif
|