[PATCH 28/45] UefiCpuPkg/MicrocodeFlashAccessLib: Add NULL MicrocodeFlashAccessLib.


Yao, Jiewen
 

Add NULL instance to pass build.

Cc: Jeff Fan <jeff.fan@...>
Cc: Feng Tian <feng.tian@...>
Cc: Star Zeng <star.zeng@...>
Cc: Michael D Kinney <michael.d.kinney@...>
Cc: Liming Gao <liming.gao@...>
Cc: Chao Zhang <chao.b.zhang@...>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jiewen Yao <jiewen.yao@...>
---
UefiCpuPkg/Library/MicrocodeFlashAccessLibNull/MicrocodeFlashAccessLibNull.c | 42 ++++++++++++++++++++
UefiCpuPkg/Library/MicrocodeFlashAccessLibNull/MicrocodeFlashAccessLibNull.inf | 40 +++++++++++++++++++
UefiCpuPkg/Library/MicrocodeFlashAccessLibNull/MicrocodeFlashAccessLibNull.uni | 21 ++++++++++
3 files changed, 103 insertions(+)

diff --git a/UefiCpuPkg/Library/MicrocodeFlashAccessLibNull/MicrocodeFlashAccessLibNull.c b/UefiCpuPkg/Library/MicrocodeFlashAccessLibNull/MicrocodeFlashAccessLibNull.c
new file mode 100644
index 0000000..1d8312a
--- /dev/null
+++ b/UefiCpuPkg/Library/MicrocodeFlashAccessLibNull/MicrocodeFlashAccessLibNull.c
@@ -0,0 +1,42 @@
+/** @file
+ Microcode flash device access library NULL instance.
+
+ Copyright (c) 2016, 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.
+
+**/
+
+#include <PiDxe.h>
+
+#include <Library/BaseMemoryLib.h>
+#include <Library/MicrocodeFlashAccessLib.h>
+
+/**
+ Perform microcode write opreation.
+
+ @param FlashAddress The address of flash device to be accessed.
+ @param Buffer The pointer to the data buffer.
+ @param Length The length of data buffer in bytes.
+
+ @retval EFI_SUCCESS The operation returns successfully.
+ @retval EFI_WRITE_PROTECTED The flash device is read only.
+ @retval EFI_UNSUPPORTED The flash device access is unsupported.
+ @retval EFI_INVALID_PARAMETER The input parameter is not valid.
+**/
+EFI_STATUS
+EFIAPI
+MicrocodeFlashWrite(
+ IN EFI_PHYSICAL_ADDRESS FlashAddress,
+ IN VOID *Buffer,
+ IN UINTN Length
+ )
+{
+ CopyMem((VOID *)(UINTN)(FlashAddress), Buffer, Length);
+ return EFI_SUCCESS;
+}
diff --git a/UefiCpuPkg/Library/MicrocodeFlashAccessLibNull/MicrocodeFlashAccessLibNull.inf b/UefiCpuPkg/Library/MicrocodeFlashAccessLibNull/MicrocodeFlashAccessLibNull.inf
new file mode 100644
index 0000000..a4a47e0
--- /dev/null
+++ b/UefiCpuPkg/Library/MicrocodeFlashAccessLibNull/MicrocodeFlashAccessLibNull.inf
@@ -0,0 +1,40 @@
+## @file
+# Microcode flash device access library.
+#
+# Microcode flash device access library NULL instance.
+#
+# Copyright (c) 2016, 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.
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = MicrocodeFlashAccessLibNull
+ MODULE_UNI_FILE = MicrocodeFlashAccessLibNull.uni
+ FILE_GUID = 6F871ADD-9D86-4676-8BAD-68E2E451FC5B
+ MODULE_TYPE = BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = MicrocodeFlashAccessLib
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64 IPF EBC
+#
+
+[Sources]
+ MicrocodeFlashAccessLibNull.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ UefiCpuPkg/UefiCpuPkg.dec
+
+[LibraryClasses]
+ BaseMemoryLib
diff --git a/UefiCpuPkg/Library/MicrocodeFlashAccessLibNull/MicrocodeFlashAccessLibNull.uni b/UefiCpuPkg/Library/MicrocodeFlashAccessLibNull/MicrocodeFlashAccessLibNull.uni
new file mode 100644
index 0000000..cc4195c
--- /dev/null
+++ b/UefiCpuPkg/Library/MicrocodeFlashAccessLibNull/MicrocodeFlashAccessLibNull.uni
@@ -0,0 +1,21 @@
+// /** @file
+// Microcode flash device access library.
+//
+// Microcode flash device access library NULL instance.
+//
+// Copyright (c) 2016, 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.
+//
+// **/
+
+
+#string STR_MODULE_ABSTRACT #language en-US "Microcode flash device access library."
+
+#string STR_MODULE_DESCRIPTION #language en-US "Microcode flash device access library NULL instance."
+
--
2.7.4.windows.1

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