92 lines
1.8 KiB
C++
92 lines
1.8 KiB
C++
/*
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* \brief Protection-domain facility
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* \author Norman Feske
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* \date 2009-10-02
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*/
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/*
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* Copyright (C) 2009-2013 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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#ifndef _CORE__INCLUDE__PLATFORM_PD_H_
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#define _CORE__INCLUDE__PLATFORM_PD_H_
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#include <base/allocator.h>
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#include <platform_thread.h>
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#include <address_space.h>
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namespace Genode {
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class Platform_thread;
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class Platform_pd : public Address_space
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{
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private:
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Native_capability _parent;
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int _thread_cnt;
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addr_t const _pd_sel;
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const char * _label;
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public:
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/**
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* Constructors
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*/
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Platform_pd(Allocator * md_alloc, char const *,
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signed pd_id = -1, bool create = true);
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/**
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* Destructor
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*/
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~Platform_pd();
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/**
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* Bind thread to protection domain
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*/
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bool bind_thread(Platform_thread *thread);
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/**
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* Unbind thread from protection domain
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*
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* Free the thread's slot and update thread object.
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*/
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void unbind_thread(Platform_thread *thread);
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/**
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* Assign parent interface to protection domain
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*/
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void assign_parent(Native_capability parent);
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/**
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* Return portal capability selector for parent interface
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*/
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addr_t parent_pt_sel() { return _parent.local_name(); }
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/**
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* Capability selector of this task.
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*
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* \return PD selector
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*/
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addr_t pd_sel() const { return _pd_sel; }
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/**
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* Label of this protection domain
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*
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* \return name of this protection domain
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*/
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const char * name() const { return _label; }
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/*****************************
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** Address-space interface **
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*****************************/
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void flush(addr_t, size_t);
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};
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}
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#endif /* _CORE__INCLUDE__PLATFORM_PD_H_ */
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