genode/repos/base-hw/src/core/cpu_session_support.cc

41 lines
959 B
C++

/*
* \brief Platform specific parts of CPU session
* \author Martin Stein
* \date 2012-04-17
*/
/*
* 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.
*/
/* Genode includes */
#include <dataspace/capability.h>
/* core includes */
#include <cpu_session_component.h>
#include <kernel/configuration.h>
using namespace Genode;
Ram_dataspace_capability
Cpu_session_component::utcb(Thread_capability thread_cap)
{
/* look up requested UTCB dataspace */
Object_pool<Cpu_thread_component>::Guard
t(_thread_ep->lookup_and_lock(thread_cap));
if (!t) return Ram_dataspace_capability();
return t->platform_thread()->utcb();
}
Cpu_session::Quota Cpu_session_component::quota()
{
size_t const spu = Kernel::cpu_quota_ms * 1000;
size_t const u = quota_lim_downscale<sizet_arithm_t>(_quota, spu);
return { spu, u };
}