genode/repos/base-hw/src/core/kernel/pd.cc

39 lines
903 B
C++

/*
* \brief Kernel backend for protection domains
* \author Martin Stein
* \author Stefan Kalkowski
* \date 2012-11-30
*/
/*
* Copyright (C) 2012-2013 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
*/
/* core includes */
#include <kernel/pd.h>
/* Genode includes */
#include <unmanaged_singleton.h>
using namespace Kernel;
Mode_transition_control::Mode_transition_control()
: _slab(&_allocator), _master(&_table)
{
assert(Genode::aligned(this, ALIGN_LOG2));
assert(sizeof(_master) <= _master_context_size());
assert(_size() <= SIZE);
map(&_table, &_slab);
Genode::memcpy(&_mt_master_context_begin, &_master, sizeof(_master));
}
Mode_transition_control * Kernel::mtc()
{
typedef Mode_transition_control Control;
return unmanaged_singleton<Control, Control::ALIGN>();
}