63 lines
1.6 KiB
C++
63 lines
1.6 KiB
C++
/*
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* \brief Fiasco.OC-specific core implementation of IRQ sessions
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* \author Christian Helmuth
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* \author Stefan Kalkowski
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* \author Sebastian Sumpf
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* \date 2007-09-13
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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 _CORE__INCLUDE__IRQ_OBJECT_H_
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#define _CORE__INCLUDE__IRQ_OBJECT_H_
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/* Genode includes */
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#include <base/printf.h>
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#include <irq_session/irq_session.h>
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#include <cap_index.h>
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namespace Genode { class Irq_object; }
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class Genode::Irq_object
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{
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private:
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Cap_index *_cap;
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Irq_session::Trigger _trigger; /* interrupt trigger */
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Irq_session::Polarity _polarity; /* interrupt polarity */
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unsigned _irq;
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Genode::addr_t _msi_addr;
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Genode::addr_t _msi_data;
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Signal_context_capability _sig_cap;
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Fiasco::l4_cap_idx_t _capability() const { return _cap->kcap(); }
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public:
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Irq_object();
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~Irq_object();
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Irq_session::Trigger trigger() const { return _trigger; }
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Irq_session::Polarity polarity() const { return _polarity; }
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Genode::addr_t msi_address() const { return _msi_addr; }
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Genode::addr_t msi_value() const { return _msi_data; }
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void sigh(Genode::Signal_context_capability cap) { _sig_cap = cap; }
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void notify() { Genode::Signal_transmitter(_sig_cap).submit(1); }
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bool associate(unsigned irq, bool msi, Irq_session::Trigger,
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Irq_session::Polarity);
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void ack_irq();
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};
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#endif /* _CORE__INCLUDE__IRQ_OBJECT_H_ */
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