46 lines
817 B
C++
46 lines
817 B
C++
/*
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* \brief Programmable interrupt controller for core
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* \author Stefan Kalkowski
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* \date 2012-10-24
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*/
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/*
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* Copyright (C) 2012-2013 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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/* core includes */
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#include <pic.h>
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using namespace Genode;
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Pic::Pic() : Mmio(Board::TZIC_MMIO_BASE)
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{
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_common_init();
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for (unsigned i = 0; i < NR_OF_IRQ; i++) {
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write<Intsec::Nonsecure>(0, i);
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write<Priority>(0, i);
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}
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write<Priomask::Mask>(0xff);
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}
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void Pic::unsecure(unsigned const i)
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{
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if (i < NR_OF_IRQ) {
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write<Intsec::Nonsecure>(1, i);
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write<Priority>(0x80, i);
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}
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}
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void Pic::secure(unsigned const i)
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{
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if (i < NR_OF_IRQ) {
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write<Intsec::Nonsecure>(0, i);
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write<Priority>(0, i);
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}
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}
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