68 lines
1.4 KiB
C++
68 lines
1.4 KiB
C++
/*
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* \brief Input-interrupt handler
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* \author Norman Feske
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* \date 2007-10-08
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*/
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/*
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* Copyright (C) 2007-2015 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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#ifndef _IRQ_HANDLER_H_
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#define _IRQ_HANDLER_H_
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/* Genode includes */
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#include <irq_session/connection.h>
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#include <os/server.h>
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/* local includes */
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#include "input_driver.h"
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#include "serial_interface.h"
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class Irq_handler
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{
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private:
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Genode::Irq_connection _irq;
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Genode::Signal_rpc_member<Irq_handler> _dispatcher;
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Serial_interface *_channel;
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Input_driver &_input_driver;
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void _handle(unsigned)
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{
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_irq.ack_irq();
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#ifdef __CODEZERO__
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/*
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* (Re-)enable device interrupt because Codezero tends to
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* disable it in its IRQ handler.
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*/
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_channel->enable_irq();
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#endif
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/* check for pending PS/2 input */
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while (_input_driver.event_pending())
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_input_driver.handle_event();
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}
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public:
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Irq_handler(Server::Entrypoint &ep,
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int irq_number, Serial_interface *channel,
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Input_driver &input_driver)
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:
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_irq(irq_number),
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_dispatcher(ep, *this, &Irq_handler::_handle),
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_channel(channel),
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_input_driver(input_driver)
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{
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_irq.sigh(_dispatcher);
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_irq.ack_irq();
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}
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};
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#endif /* _IRQ_HANDLER_H_ */
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