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-rw-r--r--IntelFrameworkModulePkg/Library/EdkSerialPortLibNull/SerialPortLibNull.c85
1 files changed, 85 insertions, 0 deletions
diff --git a/IntelFrameworkModulePkg/Library/EdkSerialPortLibNull/SerialPortLibNull.c b/IntelFrameworkModulePkg/Library/EdkSerialPortLibNull/SerialPortLibNull.c
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index 0000000000..4782a9c2f8
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+++ b/IntelFrameworkModulePkg/Library/EdkSerialPortLibNull/SerialPortLibNull.c
@@ -0,0 +1,85 @@
+/** @file
+ Serial I/O Port library functions with no library constructor/destructor
+
+ Copyright (c) 2006, 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
+ 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.
+
+ Module Name: SerialPortLibNull.c
+
+**/
+
+//
+// The package level header files this module uses
+//
+#include <FrameworkPei.h>
+//
+// The protocols, PPI and GUID defintions for this module
+//
+//
+// The Library classes this module consumes
+//
+#include <Library/SerialPortLib.h>
+
+/*
+
+ Programmed hardware of Serial port.
+
+ @return Always return EFI_UNSUPPORTED.
+
+**/
+EFI_STATUS
+EFIAPI
+SerialPortInitialize (
+ VOID
+ )
+{
+ return EFI_UNSUPPORTED;
+}
+
+/**
+ Write data to serial device.
+
+ @param Buffer Point of data buffer which need to be writed.
+ @param NumberOfBytes Number of output bytes which are cached in Buffer.
+
+ @retval 0 Write data failed.
+ @retval !0 Actual number of bytes writed to serial device.
+
+**/
+UINTN
+EFIAPI
+SerialPortWrite (
+ IN UINT8 *Buffer,
+ IN UINTN NumberOfBytes
+)
+{
+ return 0;
+}
+
+
+/**
+ Read data from serial device and save the datas in buffer.
+
+ @param Buffer Point of data buffer which need to be writed.
+ @param NumberOfBytes Number of output bytes which are cached in Buffer.
+
+ @retval 0 Read data failed.
+ @retval !0 Aactual number of bytes read from serial device.
+
+**/
+UINTN
+EFIAPI
+SerialPortRead (
+ OUT UINT8 *Buffer,
+ IN UINTN NumberOfBytes
+)
+{
+ return 0;
+}
+