mirror of https://github.com/acidanthera/audk.git
108 lines
2.6 KiB
C
108 lines
2.6 KiB
C
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/** @file
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Basic serial IO abstaction for GDB
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Copyright (c) 2008-2009 Apple Inc. All rights reserved.<BR>
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef __GDB_SERIAL_LIB_H__
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#define __GDB_SERIAL_LIB_H__
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/**
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Sets the baud rate, receive FIFO depth, transmit/receice time out, parity,
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data buts, and stop bits on a serial device. This call is optional as the serial
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port will be set up with defaults base on PCD values.
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@param BaudRate The requested baud rate. A BaudRate value of 0 will use the the
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device's default interface speed.
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@param Parity The type of parity to use on this serial device. A Parity value of
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DefaultParity will use the device's default parity value.
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@param DataBits The number of data bits to use on the serial device. A DataBits
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vaule of 0 will use the device's default data bit setting.
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@param StopBits The number of stop bits to use on this serial device. A StopBits
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value of DefaultStopBits will use the device's default number of
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stop bits.
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@retval EFI_SUCCESS The device was configured.
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@retval EFI_DEVICE_ERROR The serial device could not be coonfigured.
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**/
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RETURN_STATUS
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EFIAPI
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GdbSerialInit (
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IN UINT64 BaudRate,
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IN UINT8 Parity,
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IN UINT8 DataBits,
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IN UINT8 StopBits
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);
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/**
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Check to see if a character is available from GDB. Do not read the character as that is
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done via GdbGetChar().
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@return TRUE - Character availible
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@return FALSE - Character not availible
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**/
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BOOLEAN
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EFIAPI
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GdbIsCharAvailable (
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VOID
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);
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/**
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Get a character from GDB. This function must be able to run in interrupt context.
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@return A character from GDB
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**/
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CHAR8
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EFIAPI
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GdbGetChar (
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VOID
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);
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/**
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Send a character to GDB. This function must be able to run in interrupt context.
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@param Char Send a character to GDB
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**/
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VOID
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EFIAPI
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GdbPutChar (
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IN CHAR8 Char
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);
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/**
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Send an ASCII string to GDB. This function must be able to run in interrupt context.
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@param String Send a string to GDB
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**/
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VOID
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GdbPutString (
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IN CHAR8 *String
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);
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#endif
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