diff options
Diffstat (limited to 'EdkNt32Pkg/Dxe/WinNtThunk/Bus/SerialIo/WinNtSerialIo.c')
| -rw-r--r-- | EdkNt32Pkg/Dxe/WinNtThunk/Bus/SerialIo/WinNtSerialIo.c | 84 |
1 files changed, 40 insertions, 44 deletions
diff --git a/EdkNt32Pkg/Dxe/WinNtThunk/Bus/SerialIo/WinNtSerialIo.c b/EdkNt32Pkg/Dxe/WinNtThunk/Bus/SerialIo/WinNtSerialIo.c index a4a7a32..3de4a86 100644 --- a/EdkNt32Pkg/Dxe/WinNtThunk/Bus/SerialIo/WinNtSerialIo.c +++ b/EdkNt32Pkg/Dxe/WinNtThunk/Bus/SerialIo/WinNtSerialIo.c @@ -1,13 +1,13 @@ /*++
-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.
+Copyright (c) 2006 - 2007, 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:
@@ -20,7 +20,7 @@ Abstract: Handle(1) - WinNtIo - DevicePath(1)
- If a serial port is added to the system this driver creates a new handle.
+ If a serial port is added to the system this driver creates a new handle.
The new handle is required, since the serial device must add an UART device
pathnode.
@@ -32,15 +32,15 @@ Abstract: Handle(1) - WinNtIo - DevicePath(1) - WinNtSerialPort
- If the driver is unloaded Handle(2) is removed from the system and
+ If the driver is unloaded Handle(2) is removed from the system and
gEfiWinNtSerialPortGuid is removed from Handle(1).
Note: Handle(1) is any handle created by the Win NT Bus driver that is passed
into the DriverBinding member functions of this driver. This driver requires
- a Handle(1) to contain a WinNtIo protocol, a DevicePath protocol, and
- the TypeGuid in the WinNtIo must be gEfiWinNtSerialPortGuid.
-
- If Handle(1) contains a gEfiWinNtSerialPortGuid protocol then the driver is
+ a Handle(1) to contain a WinNtIo protocol, a DevicePath protocol, and
+ the TypeGuid in the WinNtIo must be gEfiWinNtSerialPortGuid.
+
+ If Handle(1) contains a gEfiWinNtSerialPortGuid protocol then the driver is
loaded on the device.
--*/
@@ -135,7 +135,7 @@ Returns: Status = EFI_UNSUPPORTED;
goto Error;
}
-
+
//
// Check the GUID to see if this is a handle type the driver supports
//
@@ -309,7 +309,7 @@ Returns: }
}
- gBS->FreePool (OpenInfoBuffer);
+ FreePool (OpenInfoBuffer);
return Status;
}
@@ -334,12 +334,8 @@ Returns: //
// Construct Private data
//
- Status = gBS->AllocatePool (
- EfiBootServicesData,
- sizeof (WIN_NT_SERIAL_IO_PRIVATE_DATA),
- &Private
- );
- if (EFI_ERROR (Status)) {
+ Private = AllocatePool (sizeof (WIN_NT_SERIAL_IO_PRIVATE_DATA));
+ if (Private == NULL) {
goto Error;
}
@@ -474,12 +470,12 @@ Error: }
if (Private->DevicePath != NULL) {
- gBS->FreePool (Private->DevicePath);
+ FreePool (Private->DevicePath);
}
FreeUnicodeStringTable (Private->ControllerNameTable);
- gBS->FreePool (Private);
+ FreePool (Private);
}
}
@@ -592,11 +588,11 @@ Returns: } else {
Private->WinNtThunk->CloseHandle (Private->NtHandle);
- gBS->FreePool (Private->DevicePath);
+ FreePool (Private->DevicePath);
FreeUnicodeStringTable (Private->ControllerNameTable);
- gBS->FreePool (Private);
+ FreePool (Private);
}
}
@@ -683,7 +679,7 @@ Routine Description: Arguments:
- This - A pointer to the EFI_SERIAL_IO_PROTOCOL structrue.
+ This - A pointer to the EFI_SERIAL_IO_PROTOCOL structrue.
BaudRate - The Baud rate of the serial device.
ReceiveFifoDepth - The request depth of fifo on receive side.
Timeout - the request timeout for a single charact.
@@ -869,7 +865,7 @@ Returns: }
if (Private->DevicePath != NULL) {
- gBS->FreePool (Private->DevicePath);
+ FreePool (Private->DevicePath);
}
Private->DevicePath = NewDevicePath;
@@ -1029,7 +1025,7 @@ Returns: if (ModemStatus & MS_RLSD_ON) {
Bits |= EFI_SERIAL_CARRIER_DETECT;
}
-
+
//
// Get ctrl status
//
@@ -1059,7 +1055,7 @@ Returns: if (Private->HardwareLoopbackEnable) {
Bits |= EFI_SERIAL_HARDWARE_LOOPBACK_ENABLE;
}
-
+
//
// Get input buffer status
//
@@ -1145,7 +1141,7 @@ Returns: Control |= EFI_SERIAL_REQUEST_TO_SEND;
WinNtSerialIoSetControl (&Private->SerialIo, Control);
}
-
+
//
// Do the write
//
@@ -1285,10 +1281,10 @@ IsaSerialFifoFull ( Routine Description:
Detect whether specific FIFO is full or not
-
+
Arguments:
Fifo SERIAL_DEV_FIFO *: A pointer to the Data Structure SERIAL_DEV_FIFO
-
+
Returns:
TRUE: the FIFO is full
FALSE: the FIFO is not full
@@ -1310,10 +1306,10 @@ IsaSerialFifoEmpty ( Routine Description:
Detect whether specific FIFO is empty or not
-
+
Arguments:
Fifo SERIAL_DEV_FIFO *: A pointer to the Data Structure SERIAL_DEV_FIFO
-
+
Returns:
TRUE: the FIFO is empty
FALSE: the FIFO is not empty
@@ -1336,14 +1332,14 @@ IsaSerialFifoAdd ( Routine Description:
Add data to specific FIFO
-
+
Arguments:
Fifo SERIAL_DEV_FIFO *: A pointer to the Data Structure SERIAL_DEV_FIFO
- Data UINT8: the data added to FIFO
-
+ Data UINT8: the data added to FIFO
+
Returns:
EFI_SUCCESS: Add data to specific FIFO successfully
- EFI_OUT_RESOURCE: Failed to add data because FIFO is already full
+ EFI_OUT_RESOURCE: Failed to add data because FIFO is already full
--*/
// TODO: EFI_OUT_OF_RESOURCES - add return value to function comment
@@ -1354,7 +1350,7 @@ IsaSerialFifoAdd ( if (IsaSerialFifoFull (Fifo)) {
return EFI_OUT_OF_RESOURCES;
}
-
+
//
// FIFO is not full can add data
//
@@ -1377,11 +1373,11 @@ IsaSerialFifoRemove ( Routine Description:
Remove data from specific FIFO
-
+
Arguments:
Fifo SERIAL_DEV_FIFO *: A pointer to the Data Structure SERIAL_DEV_FIFO
- Data UINT8*: the data removed from FIFO
-
+ Data UINT8*: the data removed from FIFO
+
Returns:
EFI_SUCCESS: Remove data from specific FIFO successfully
EFI_OUT_RESOURCE: Failed to remove data because FIFO is empty
@@ -1395,7 +1391,7 @@ IsaSerialFifoRemove ( if (IsaSerialFifoEmpty (Fifo)) {
return EFI_OUT_OF_RESOURCES;
}
-
+
//
// FIFO is not empty, can remove data
//
|