41928dac80
Lots of times the params() helper has been defined but not used Change-Id: Id71829aca71341d46964d8f071099342b946b62f Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com> Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/41613 Tested-by: kokoro <noreply+kokoro@google.com>
70 lines
2.3 KiB
C++
70 lines
2.3 KiB
C++
/*
|
|
* Copyright (c) 2004-2005 The Regents of The University of Michigan
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are
|
|
* met: redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer;
|
|
* redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution;
|
|
* neither the name of the copyright holders nor the names of its
|
|
* contributors may be used to endorse or promote products derived from
|
|
* this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
/** @file
|
|
* Base class for UART
|
|
*/
|
|
|
|
#ifndef __UART_HH__
|
|
#define __UART_HH__
|
|
|
|
#include "base/callback.hh"
|
|
#include "dev/io_device.hh"
|
|
#include "dev/serial/serial.hh"
|
|
#include "params/Uart.hh"
|
|
|
|
class Platform;
|
|
|
|
const int RX_INT = 0x1;
|
|
const int TX_INT = 0x2;
|
|
|
|
class Uart : public BasicPioDevice
|
|
{
|
|
protected:
|
|
int status;
|
|
Platform *platform;
|
|
SerialDevice *device;
|
|
|
|
public:
|
|
using Params = UartParams;
|
|
Uart(const Params &p, Addr pio_size);
|
|
|
|
/**
|
|
* Inform the uart that there is data available.
|
|
*/
|
|
virtual void dataAvailable() = 0;
|
|
|
|
/**
|
|
* Return if we have an interrupt pending
|
|
* @return interrupt status
|
|
*/
|
|
bool intStatus() { return status ? true : false; }
|
|
};
|
|
|
|
#endif // __UART_HH__
|