34 lines
816 B
C++
34 lines
816 B
C++
/*
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* \brief Utility to imprint a badge into a NOVA portal
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* \author Norman Feske
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* \date 2016-03-03
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*/
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/*
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* Copyright (C) 2016-2017 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 Affero General Public License version 3.
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*/
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#ifndef _CORE__INCLUDE__IMPRINT_BADGE_H_
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#define _CORE__INCLUDE__IMPRINT_BADGE_H_
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/* NOVA includes */
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#include <nova/syscalls.h>
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static inline bool imprint_badge(unsigned long pt_sel, unsigned long badge)
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{
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using namespace Nova;
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/* assign badge to portal */
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if (pt_ctrl(pt_sel, badge) != NOVA_OK)
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return false;
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/* disable PT_CTRL permission to prevent subsequent imprint attempts */
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revoke(Obj_crd(pt_sel, 0, Obj_crd::RIGHT_PT_CTRL));
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return true;
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}
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#endif /* _CORE__INCLUDE__IMPRINT_BADGE_H_ */
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