From 1f003fafade69043b4fd587dd30fc63997df0d3e Mon Sep 17 00:00:00 2001 From: Jiewen Yao Date: Sat, 20 May 2017 15:42:12 +0800 Subject: Add MinPlatform. reviewed-by: Jiewen Yao reviewed-by: Michael A Kubacki reviewed-by: Amy Chan reviewed-by: Rangasai V Chaganty reviewed-by: Chasel Chiu Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jiewen Yao --- .../Include/Guid/SmramMemoryReserve.h | 60 ++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 Platform/Intel/MinPlatformPkg/Include/Guid/SmramMemoryReserve.h (limited to 'Platform/Intel/MinPlatformPkg/Include/Guid/SmramMemoryReserve.h') diff --git a/Platform/Intel/MinPlatformPkg/Include/Guid/SmramMemoryReserve.h b/Platform/Intel/MinPlatformPkg/Include/Guid/SmramMemoryReserve.h new file mode 100644 index 0000000000..04589cf040 --- /dev/null +++ b/Platform/Intel/MinPlatformPkg/Include/Guid/SmramMemoryReserve.h @@ -0,0 +1,60 @@ +/** @file + Definition of GUIDed HOB for reserving SMRAM regions. + + This file defines: + * the GUID used to identify the GUID HOB for reserving SMRAM regions. + * the data structure of SMRAM descriptor to describe SMRAM candidate regions + * values of state of SMRAM candidate regions + * the GUID specific data structure of HOB for reserving SMRAM regions. + This GUIDed HOB can be used to convey the existence of the T-SEG reservation and H-SEG usage + +Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.
+This program and the accompanying materials are licensed and made available under +the terms and conditions of the BSD License that 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: + GUIDs defined in SmmCis spec version 0.9. + +**/ + +#ifndef _EFI_SMM_PEI_SMRAM_MEMORY_RESERVE_H_ +#define _EFI_SMM_PEI_SMRAM_MEMORY_RESERVE_H_ + +#define EFI_SMM_PEI_SMRAM_MEMORY_RESERVE \ + { \ + 0x6dadf1d1, 0xd4cc, 0x4910, {0xbb, 0x6e, 0x82, 0xb1, 0xfd, 0x80, 0xff, 0x3d } \ + } + +/** +* GUID specific data structure of HOB for reserving SMRAM regions. +* +* Inconsistent with specification here: +* EFI_HOB_SMRAM_DESCRIPTOR_BLOCK has been changed to EFI_SMRAM_HOB_DESCRIPTOR_BLOCK. +* This inconsistency is kept in code in order for backward compatibility. +**/ +typedef struct { + /// + /// Designates the number of possible regions in the system + /// that can be usable for SMRAM. + /// + /// Inconsistent with specification here: + /// In Framework SMM CIS 0.91 specification, it defines the field type as UINTN. + /// However, HOBs are supposed to be CPU neutral, so UINT32 should be used instead. + /// + UINT32 NumberOfSmmReservedRegions; + /// + /// Used throughout this protocol to describe the candidate + /// regions for SMRAM that are supported by this platform. + /// + EFI_SMRAM_DESCRIPTOR Descriptor[1]; +} EFI_SMRAM_HOB_DESCRIPTOR_BLOCK; + +extern EFI_GUID gEfiSmmPeiSmramMemoryReserveGuid; + +#endif + -- cgit v1.2.3