[PATCH 45/79] Platform/RISC-V: Add NULL library instance of RiscVSpecialPlatformLib

["Abner Chang" <abner.chang@hpe.com>]

(This is migrated from edk2-platforms)
This is the library instance to provide platform_override for the
special RISC-V platform. This module incorporates with
OpensbiPlatformLib and RISC-V Opensbi library.

Cc: Sunil V L <sunilvl@ventanamicro.com>
Cc: Daniel Schaefer <daniel.schaefer@hpe.com>
Signed-off-by: Abner Chang <abner.chang@hpe.com>
Reviewed-by: Daniel Schaefer <daniel.schaefer@hpe.com>
Reviewed-by: Sunil V L <sunilvl@ventanamicro.com>
---
 .../RISC-V/ProcessorPkg/RiscVProcessorPkg.dec |  1 +
 .../RISC-V/PlatformPkg/RiscVPlatformPkg.dsc   |  2 ++
 .../RiscVSpecialPlatformLib.inf               | 36 +++++++++++++++++++
 .../Include/Library/RiscVSpecialPlatformLib.h | 20 +++++++++++
 .../RiscVSpecialPlatformLib.c                 | 19 ++++++++++
 5 files changed, 78 insertions(+)
 create mode 100644 Platform/RISC-V/PlatformPkg/Library/RiscVSpecialPlatformLib/RiscVSpecialPlatformLib.inf
 create mode 100644 Platform/RISC-V/PlatformPkg/Include/Library/RiscVSpecialPlatformLib.h
 create mode 100644 Platform/RISC-V/PlatformPkg/Library/RiscVSpecialPlatformLib/RiscVSpecialPlatformLib.c

diff --git a/Silicon/RISC-V/ProcessorPkg/RiscVProcessorPkg.dec b/Silicon/RISC-V/ProcessorPkg/RiscVProcessorPkg.dec
index 08279a97b1..9c8b57cce3 100644
--- a/Silicon/RISC-V/ProcessorPkg/RiscVProcessorPkg.dec
+++ b/Silicon/RISC-V/ProcessorPkg/RiscVProcessorPkg.dec
@@ -19,6 +19,7 @@
   Include/Library
   Library/RiscVOpensbiLib/opensbi         # OpenSBI header file reference ("include/sbi/...")
   Library/RiscVOpensbiLib/opensbi/include # Header file reference from opensbi files, ("sbi/...")
+  Library/RiscVOpensbiLib/opensbi/platform/generic/include # Header file reference from opensbi files, ("sbi/...")
 
 [LibraryClasses]
   RiscVPlatformDxeIplLib|Include/Library/RiscVPlatformDxeIpl.h
diff --git a/Platform/RISC-V/PlatformPkg/RiscVPlatformPkg.dsc b/Platform/RISC-V/PlatformPkg/RiscVPlatformPkg.dsc
index b96324e961..ec8875be14 100644
--- a/Platform/RISC-V/PlatformPkg/RiscVPlatformPkg.dsc
+++ b/Platform/RISC-V/PlatformPkg/RiscVPlatformPkg.dsc
@@ -71,6 +71,7 @@
 
 [LibraryClasses.common.SEC]
   ExtractGuidedSectionLib|MdePkg/Library/BaseExtractGuidedSectionLib/BaseExtractGuidedSectionLib.inf
+  RiscVSpecialPlatformLib|Platform/RISC-V/PlatformPkg/Library/RiscVSpecialPlatformLib/RiscVSpecialPlatformLib.inf
 
 [LibraryClasses.common.DXE_DRIVER]
   PlatformBootManagerLib|Platform/RISC-V/PlatformPkg/Library/PlatformBootManagerLib/PlatformBootManagerLib.inf
@@ -84,6 +85,7 @@
   Platform/RISC-V/PlatformPkg/Library/RiscVPlatformTempMemoryInitLibNull/RiscVPlatformTempMemoryInitLibNull.inf
   Platform/RISC-V/PlatformPkg/Library/PeiCoreEntryPoint/PeiCoreEntryPoint.inf
   Platform/RISC-V/PlatformPkg/Library/PlatformSecPpiLibNull/PlatformSecPpiLibNull.inf
+  Platform/RISC-V/PlatformPkg/Library/RiscVSpecialPlatformLib/RiscVSpecialPlatformLib.inf
 
 [Components.common.SEC]
   Platform/RISC-V/PlatformPkg/Universal/Sec/SecMain.inf
diff --git a/Platform/RISC-V/PlatformPkg/Library/RiscVSpecialPlatformLib/RiscVSpecialPlatformLib.inf b/Platform/RISC-V/PlatformPkg/Library/RiscVSpecialPlatformLib/RiscVSpecialPlatformLib.inf
new file mode 100644
index 0000000000..567eeee56d
--- /dev/null
+++ b/Platform/RISC-V/PlatformPkg/Library/RiscVSpecialPlatformLib/RiscVSpecialPlatformLib.inf
@@ -0,0 +1,36 @@
+## @file
+#  Null library instance to provide platform_override for the
+#  special RISC-V platform. This module incorporates with
+#  OpensbiPlatformLib and RISC-V Opensbi library.
+#
+#  Copyright (c) 2021, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>
+#
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x0001001b
+  BASE_NAME                      = RiscVSpecialPlatformLib
+  FILE_GUID                      = 79361802-18B6-458A-8C79-DA6256DEF776
+  MODULE_TYPE                    = BASE
+  VERSION_STRING                 = 1.0
+  LIBRARY_CLASS                  = RiscVSpecialPlatformLib|SEC
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+#  VALID_ARCHITECTURES           = RISCV64
+#
+
+[Sources]
+ RiscVSpecialPlatformLib.c
+
+[Packages]
+  MdePkg/MdePkg.dec
+  MdeModulePkg/MdeModulePkg.dec
+  Platform/RISC-V/PlatformPkg/RiscVPlatformPkg.dec
+  Silicon/RISC-V/ProcessorPkg/RiscVProcessorPkg.dec
+
+[LibraryClasses]
+  BaseLib
diff --git a/Platform/RISC-V/PlatformPkg/Include/Library/RiscVSpecialPlatformLib.h b/Platform/RISC-V/PlatformPkg/Include/Library/RiscVSpecialPlatformLib.h
new file mode 100644
index 0000000000..644bb08ebf
--- /dev/null
+++ b/Platform/RISC-V/PlatformPkg/Include/Library/RiscVSpecialPlatformLib.h
@@ -0,0 +1,20 @@
+/** @file
+  library definition to provide platform_override of special platforms.
+  This library incorporates with OpensbiPlatformLib and RISC-V Opensbi library
+
+  Copyright (c) 2021, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#ifndef RISCV_SPECIAL_PLATFORM_LIB_
+#define RISCV_SPECIAL_PLATFORM_LIB_
+
+#include <PiPei.h>
+
+//
+// This is declared under Silicon/RISC-V/ProcessorPkg/Library/RiscVOpensbiLib/opensbi/platform/generic/include/
+//
+#include <platform_override.h>
+
+#endif
diff --git a/Platform/RISC-V/PlatformPkg/Library/RiscVSpecialPlatformLib/RiscVSpecialPlatformLib.c b/Platform/RISC-V/PlatformPkg/Library/RiscVSpecialPlatformLib/RiscVSpecialPlatformLib.c
new file mode 100644
index 0000000000..3a77ff6b17
--- /dev/null
+++ b/Platform/RISC-V/PlatformPkg/Library/RiscVSpecialPlatformLib/RiscVSpecialPlatformLib.c
@@ -0,0 +1,19 @@
+/**@file
+  Library to provide platform_override for the special
+  RISC-V platform. This module incorporates with
+  OpensbiPlatformLib and RISC-V Opensbi library.
+
+  Copyright (c) 2021, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+//
+// The package level header files this module uses
+//
+#include <Library/RiscVSpecialPlatformLib.h>
+
+const struct platform_override  *SpecialPlatformArray = NULL;
+INTN NumberOfPlaformsInArray;
+
-- 
2.31.1