Re: [PATCH v2 1/3] MdePkg: Support EFI_PEI_CORE_FV_LOCATION_PPI

["Zeng, Star" <star.zeng@intel.com>]

Reviewed-by: Star Zeng <star.zeng@intel.com>

-----Original Message-----
From: edk2-devel [mailto:edk2-devel-bounces@lists.01.org] On Behalf Of Chasel, Chiu
Sent: Wednesday, February 13, 2019 5:47 PM
To: edk2-devel@lists.01.org
Cc: Kinney, Michael D <michael.d.kinney@intel.com>; Gao, Liming <liming.gao@intel.com>
Subject: [edk2] [PATCH v2 1/3] MdePkg: Support EFI_PEI_CORE_FV_LOCATION_PPI

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1524

Add EFI_PEI_CORE_FV_LOCATION_PPI definition basing on PI spec 1.7, Section 6.3.9.
This PPI can support the secnario that PEI Foundation not in BFV.

Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Chasel Chiu <chasel.chiu@intel.com>
---
 MdePkg/Include/Ppi/PeiCoreFvLocation.h | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 MdePkg/MdePkg.dec                      | 11 +++++++++--
 2 files changed, 62 insertions(+), 2 deletions(-)

diff --git a/MdePkg/Include/Ppi/PeiCoreFvLocation.h b/MdePkg/Include/Ppi/PeiCoreFvLocation.h
new file mode 100644
index 0000000000..c7bbbfb265
--- /dev/null
+++ b/MdePkg/Include/Ppi/PeiCoreFvLocation.h
@@ -0,0 +1,53 @@
+/** @file
+  Header file for Pei Core FV Location PPI.
+
+  This PPI contains a pointer to the firmware volume which contains the PEI Foundation.
+  If the PEI Foundation does not reside in the BFV, then SEC must pass 
+ this PPI as a part  of the PPI list provided to the PEI Foundation 
+ Entry Point, otherwise the PEI Foundation  shall assume that it resides within the BFV.
+
+  Copyright (c) 2019, 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 defined in UEFI Platform Initialization Specification 1.7 Volume 1:
+  Standards
+
+**/
+
+
+#ifndef _EFI_PEI_CORE_FV_LOCATION_H_
+#define _EFI_PEI_CORE_FV_LOCATION_H_
+
+///
+/// Global ID for EFI_PEI_CORE_FV_LOCATION_PPI /// #define 
+EFI_PEI_CORE_FV_LOCATION_GUID \
+  { \
+    0x52888eae, 0x5b10, 0x47d0, {0xa8, 0x7f, 0xb8, 0x22, 0xab, 0xa0, 
+0xca, 0xf4 } \
+  }
+
+///
+/// Forward declaration for EFI_PEI_CORE_FV_LOCATION_PPI /// typedef 
+struct _EFI_PEI_CORE_FV_LOCATION_PPI EFI_PEI_CORE_FV_LOCATION_PPI;
+
+///
+/// This PPI provides location of EFI PeiCoreFv.
+///
+struct _EFI_PEI_CORE_FV_LOCATION_PPI {
+  ///
+  /// Pointer to the first byte of the firmware volume which contains the PEI Foundation.
+  ///
+  VOID    *PeiCoreFvLocation;
+};
+
+extern EFI_GUID gEfiPeiCoreFvLocationPpiGuid;
+
+#endif // _EFI_PEI_CORE_FV_LOCATION_H_
diff --git a/MdePkg/MdePkg.dec b/MdePkg/MdePkg.dec index a485408310..c859b4a511 100644
--- a/MdePkg/MdePkg.dec
+++ b/MdePkg/MdePkg.dec
@@ -2,9 +2,9 @@
 # This Package provides all definitions, library classes and libraries instances.
 #
 # It also provides the definitions(including PPIs/PROTOCOLs/GUIDs) of -# EFI1.10/UEFI2.7/PI1.6 and some Industry Standards.
+# EFI1.10/UEFI2.7/PI1.7 and some Industry Standards.
 #
-# Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2007 - 2019, Intel Corporation. All rights 
+reserved.<BR>
 # Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>  # (C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>  # @@ -929,6 +929,13 @@
   ## Include/Ppi/SecHobData.h
   gEfiSecHobDataPpiGuid = { 0x3ebdaf20, 0x6667, 0x40d8, {0xb4, 0xee, 0xf5, 0x99, 0x9a, 0xc1, 0xb7, 0x1f } }
 
+  #
+  # PPIs defined in PI 1.7.
+  #
+
+  ## Include/Ppi/PeiCoreFvLocation.h
+  gEfiPeiCoreFvLocationPpiGuid   = { 0x52888eae, 0x5b10, 0x47d0, { 0xa8, 0x7f, 0xb8, 0x22, 0xab, 0xa0, 0xca, 0xf4 }}
+
 [Protocols]
   ## Include/Protocol/Pcd.h
   gPcdProtocolGuid               = { 0x11B34006, 0xD85B, 0x4D0A, { 0xA2, 0x90, 0xD5, 0xA5, 0x71, 0x31, 0x0E, 0xF7 }}
--
2.13.3.windows.1

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