genode/repos/base-hw/src/core/spec/cortex_a9/kernel/cpu.cc

37 lines
725 B
C++

/*
* \brief Cpu class implementation specific to Cortex A9 SMP
* \author Stefan Kalkowski
* \date 2015-12-09
*/
/*
* Copyright (C) 2015-2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU Affero General Public License version 3.
*/
/* core includes */
#include <kernel/perf_counter.h>
#include <kernel/lock.h>
#include <kernel/pd.h>
#include <pic.h>
#include <platform_pd.h>
#include <platform.h>
void Kernel::Cpu::init(Kernel::Pic &pic)
{
_fpu.init();
{
Lock::Guard guard(data_lock());
/* enable performance counter */
perf_counter()->enable();
/* enable timer interrupt */
pic.unmask(_timer.interrupt_id(), id());
}
}