85 lines
1.8 KiB
C++
85 lines
1.8 KiB
C++
/*
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* \brief Instance of the component's local capability space
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* \author Norman Feske
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* \date 2015-05-08
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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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/* base includes */
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#include <base/native_types.h>
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#include <base/printf.h>
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/* base-internal includes */
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#include <internal/capability_data.h>
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#include <internal/capability_space_sel4.h>
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/**
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* Definition of capability meta data
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*/
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struct Genode::Native_capability::Data : Capability_data
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{
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Data(Rpc_obj_key key) : Capability_data(key) { }
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Data() { }
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};
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using namespace Genode;
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/**
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* Singleton instance of core-specific capability space
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*/
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namespace {
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struct Local_capability_space
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:
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Capability_space_sel4<8*1024, Native_capability::Data>
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{ };
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static Local_capability_space &local_capability_space()
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{
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static Local_capability_space capability_space;
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return capability_space;
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}
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}
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/******************************************************
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** Implementation of the Capability_space interface **
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******************************************************/
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Native_capability::Data &Capability_space::create_ep_cap(Thread_base &ep_thread)
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{
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unsigned const ep_sel = ep_thread.tid().ep_sel;
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return local_capability_space().create_capability(ep_sel,
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Rpc_obj_key());
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}
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void Capability_space::dec_ref(Native_capability::Data &data)
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{
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local_capability_space().dec_ref(data);
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}
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void Capability_space::inc_ref(Native_capability::Data &data)
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{
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local_capability_space().inc_ref(data);
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}
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Rpc_obj_key Capability_space::rpc_obj_key(Native_capability::Data const &data)
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{
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return local_capability_space().rpc_obj_key(data);
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}
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