X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=IntelFrameworkModulePkg%2FLibrary%2FEdkSerialPortLibNull%2FSerialPortLibNull.c;fp=IntelFrameworkModulePkg%2FLibrary%2FEdkSerialPortLibNull%2FSerialPortLibNull.c;h=4782a9c2f86f7dd0012f9c4300bcf39449ef9afe;hp=0000000000000000000000000000000000000000;hb=ad1a179818e9eba78cbdce2694ff87e9228c48fd;hpb=3a10d4719039d9c5d60842d1a2c26fe1d9a731d0 diff --git a/IntelFrameworkModulePkg/Library/EdkSerialPortLibNull/SerialPortLibNull.c b/IntelFrameworkModulePkg/Library/EdkSerialPortLibNull/SerialPortLibNull.c new file mode 100644 index 0000000000..4782a9c2f8 --- /dev/null +++ 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 +// +// The protocols, PPI and GUID defintions for this module +// +// +// The Library classes this module consumes +// +#include + +/* + + 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; +} +