e84284c0cd
Cleanup commit after all relevant drivers got adapted to use the x86 platform driver (pci_drv). Issue #1471
55 lines
1.3 KiB
C++
55 lines
1.3 KiB
C++
/*
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* \brief Nova-specific instance of the IRQ object
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* \author Alexander Boettcher
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*/
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/*
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* Copyright (C) 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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#pragma once
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#include <base/thread.h>
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namespace Genode { class Irq_object; }
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class Genode::Irq_object : public Thread<4096> {
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private:
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Signal_context_capability _sig_cap;
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Lock _sync_ack;
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Lock _sync_life;
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Genode::addr_t _kernel_caps;
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Genode::addr_t _msi_addr;
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Genode::addr_t _msi_data;
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enum { UNDEFINED, SHUTDOWN } volatile _state;
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void entry() override;
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enum { KERNEL_CAP_COUNT_LOG2 = 1 };
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Genode::addr_t const irq_sel() { return _kernel_caps; }
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Genode::addr_t const sc_sel() { return _kernel_caps + 1; }
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public:
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Irq_object();
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~Irq_object();
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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(Signal_context_capability cap) { _sig_cap = cap; }
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void notify() { Genode::Signal_transmitter(_sig_cap).submit(1); }
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void ack_irq() { _sync_ack.unlock(); }
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void start() override;
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void start(unsigned irq, Genode::addr_t);
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};
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