diff options
| author | Liming Gao <liming.gao@intel.com> | 2013-11-15 02:04:57 +0000 |
|---|---|---|
| committer | lgao4 <lgao4@6f19259b-4bc3-4df7-8a09-765794883524> | 2013-11-15 02:04:57 +0000 |
| commit | fcfd5fb01b2c5af6efd2df5e2f54d688d9bcd8a3 (patch) | |
| tree | 610fa33eb0c93ec2f2f741dad66536b8c4a9e7b9 /MdePkg/Include/Ppi | |
| parent | d59fc24497fa50cf7dd2ee96bd7fca3fc18c0398 (diff) | |
| download | edk2-platforms-fcfd5fb01b2c5af6efd2df5e2f54d688d9bcd8a3.tar.xz | |
Add support for PI1.2.1 TempRam Done PPI.
Signed-off-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Jeff Fan <jeff.fan@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14846 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Include/Ppi')
| -rw-r--r-- | MdePkg/Include/Ppi/TemporaryRamDone.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/MdePkg/Include/Ppi/TemporaryRamDone.h b/MdePkg/Include/Ppi/TemporaryRamDone.h new file mode 100644 index 0000000000..ea7c2a1fbb --- /dev/null +++ b/MdePkg/Include/Ppi/TemporaryRamDone.h @@ -0,0 +1,52 @@ +/** @file
+ This file declares Temporary RAM Done PPI.
+ The PPI that provides a service to disable the use of Temporary RAM.
+
+ Copyright (c) 2013, 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.
+
+ @par Revision Reference:
+ This PPI is introduced in PI Version 1.2.
+
+**/
+
+#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
|