38 lines
839 B
C++
38 lines
839 B
C++
/*
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* \brief Export RAM dataspace as shared memory object (dummy)
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* \author Martin Stein
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* \date 2012-02-12
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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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/* Genode includes */
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#include <base/printf.h>
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#include <kernel/syscalls.h>
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/* core includes */
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#include <ram_session_component.h>
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using namespace Genode;
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void Ram_session_component::_export_ram_ds(Dataspace_component *ds) { }
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void Ram_session_component::_revoke_ram_ds(Dataspace_component *ds) { }
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void Ram_session_component::_clear_ds (Dataspace_component * ds)
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{
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memset((void *)ds->phys_addr(), 0, ds->size());
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/* make the new DS-content visible to other PDs */
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Kernel::update_region(ds->phys_addr(), ds->size());
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}
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