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878b807a43
https://bugzilla.tianocore.org/show_bug.cgi?id=1373 Replace BSD 2-Clause License with BSD+Patent License. This change is based on the following emails: https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html RFCs with detailed process for the license change: V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
102 lines
2.3 KiB
C
102 lines
2.3 KiB
C
/** @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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SPDX-License-Identifier: BSD-2-Clause-Patent
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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 available
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@return FALSE - Character not available
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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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