diff options
author | andrewfish <andrewfish@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-06-08 02:34:12 +0000 |
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committer | andrewfish <andrewfish@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-06-08 02:34:12 +0000 |
commit | 7e284acb40a3d27009de3cfe48275fed3c5d004b (patch) | |
tree | 3fbfdf3fdf298705d4f2539dc36cca5e9d479d26 /InOsEmuPkg/Library/DxeEmuStdErrSerialPortLib | |
parent | 6f18b50d023159f6b19c04da5ab930cc58e2743b (diff) | |
download | edk2-platforms-7e284acb40a3d27009de3cfe48275fed3c5d004b.tar.xz |
Add support for SerialPortLib that maps into POSIX StdIn and StdOut. Add a device path text to lib as a holding point waiting on getting it reviewed for other packages. Some minor fixes. Also map the FV as writable, so the Variable store becomes writable.
I plan to try and make only the Variable store and logs writable, and make the executable/compressed FV read only in a future checkin.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11760 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'InOsEmuPkg/Library/DxeEmuStdErrSerialPortLib')
-rw-r--r-- | InOsEmuPkg/Library/DxeEmuStdErrSerialPortLib/DxeEmuStdErrSerialPortLib.c | 119 | ||||
-rw-r--r-- | InOsEmuPkg/Library/DxeEmuStdErrSerialPortLib/DxeEmuStdErrSerialPortLib.inf | 40 |
2 files changed, 159 insertions, 0 deletions
diff --git a/InOsEmuPkg/Library/DxeEmuStdErrSerialPortLib/DxeEmuStdErrSerialPortLib.c b/InOsEmuPkg/Library/DxeEmuStdErrSerialPortLib/DxeEmuStdErrSerialPortLib.c new file mode 100644 index 0000000000..b4ef86e128 --- /dev/null +++ b/InOsEmuPkg/Library/DxeEmuStdErrSerialPortLib/DxeEmuStdErrSerialPortLib.c @@ -0,0 +1,119 @@ +/** @file
+ Serial Port Lib that thunks back to Emulator services to write to StdErr.
+ All read functions are stubed out.
+
+ Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
+ Portions copyright (c) 2011, Apple Inc. 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/SerialPortLib.h>
+#include <Library/EmuThunkLib.h>
+
+
+
+
+/**
+ Initialize the serial device hardware.
+
+ If no initialization is required, then return RETURN_SUCCESS.
+ If the serial device was successfully initialized, then return RETURN_SUCCESS.
+ If the serial device could not be initialized, then return RETURN_DEVICE_ERROR.
+
+ @retval RETURN_SUCCESS The serial device was initialized.
+ @retval RETURN_DEVICE_ERROR The serial device could not be initialized.
+
+**/
+RETURN_STATUS
+EFIAPI
+SerialPortInitialize (
+ VOID
+ )
+{
+ return RETURN_SUCCESS;
+}
+
+/**
+ Write data from buffer to serial device.
+
+ Writes NumberOfBytes data bytes from Buffer to the serial device.
+ The number of bytes actually written to the serial device is returned.
+ If the return value is less than NumberOfBytes, then the write operation failed.
+ If Buffer is NULL, then ASSERT().
+ If NumberOfBytes is zero, then return 0.
+
+ @param Buffer The pointer to the data buffer to be written.
+ @param NumberOfBytes The number of bytes to written to the serial device.
+
+ @retval 0 NumberOfBytes is 0.
+ @retval >0 The number of bytes written to the serial device.
+ If this value is less than NumberOfBytes, then the read operation failed.
+
+**/
+UINTN
+EFIAPI
+SerialPortWrite (
+ IN UINT8 *Buffer,
+ IN UINTN NumberOfBytes
+ )
+{
+ return gEmuThunk->WriteStdErr (Buffer, NumberOfBytes);
+}
+
+
+/**
+ Read data from serial device and save the datas in buffer.
+
+ Reads NumberOfBytes data bytes from a serial device into the buffer
+ specified by Buffer. The number of bytes actually read is returned.
+ If the return value is less than NumberOfBytes, then the rest operation failed.
+ If Buffer is NULL, then ASSERT().
+ If NumberOfBytes is zero, then return 0.
+
+ @param Buffer The pointer to the data buffer to store the data read from the serial device.
+ @param NumberOfBytes The number of bytes which will be read.
+
+ @retval 0 Read data failed; No data is to be read.
+ @retval >0 The actual number of bytes read from serial device.
+
+**/
+UINTN
+EFIAPI
+SerialPortRead (
+ OUT UINT8 *Buffer,
+ IN UINTN NumberOfBytes
+ )
+{
+ return 0;
+}
+
+/**
+ Polls a serial device to see if there is any data waiting to be read.
+
+ Polls a serial device to see if there is any data waiting to be read.
+ If there is data waiting to be read from the serial device, then TRUE is returned.
+ If there is no data waiting to be read from the serial device, then FALSE is returned.
+
+ @retval TRUE Data is waiting to be read from the serial device.
+ @retval FALSE There is no data waiting to be read from the serial device.
+
+**/
+BOOLEAN
+EFIAPI
+SerialPortPoll (
+ VOID
+ )
+{
+ return FALSE;
+}
+
+
diff --git a/InOsEmuPkg/Library/DxeEmuStdErrSerialPortLib/DxeEmuStdErrSerialPortLib.inf b/InOsEmuPkg/Library/DxeEmuStdErrSerialPortLib/DxeEmuStdErrSerialPortLib.inf new file mode 100644 index 0000000000..e1b403475d --- /dev/null +++ b/InOsEmuPkg/Library/DxeEmuStdErrSerialPortLib/DxeEmuStdErrSerialPortLib.inf @@ -0,0 +1,40 @@ +## @file
+# Write only instance of Serial Port Library with empty functions.
+#
+# Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
+# Portions copyright (c) 2011, Apple Inc. 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.
+#
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = DxeEmuStdErrSerialPortLib
+ FILE_GUID = 4EED5138-C512-9E4F-AB13-149B87D40453
+ MODULE_TYPE = PEIM
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = SerialPortLib| DXE_CORE DXE_DRIVER DXE_RUNTIME_DRIVER DXE_SAL_DRIVER DXE_SMM_DRIVER SMM_CORE UEFI_APPLICATION UEFI_DRIVE
+
+
+[Sources]
+ DxeEmuStdErrSerialPortLib.c
+
+
+[Packages]
+ MdePkg/MdePkg.dec
+ InOsEmuPkg/InOsEmuPkg.dec
+
+[LibraryClasses]
+ EmuThunkLib
+
+
+
+
+
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