52 lines
1.1 KiB
C++
52 lines
1.1 KiB
C++
/*
|
|
* \brief Class for kernel data that is needed to manage a specific CPU
|
|
* \author Martin Stein
|
|
* \author Stefan Kalkowski
|
|
* \date 2014-01-14
|
|
*/
|
|
|
|
/*
|
|
* Copyright (C) 2014 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/cpu.h>
|
|
#include <kernel/pd.h>
|
|
#include <kernel/perf_counter.h>
|
|
#include <pic.h>
|
|
#include <trustzone.h>
|
|
|
|
void Kernel::Cpu::init(Kernel::Pic &pic, Kernel::Pd & core_pd)
|
|
{
|
|
/* locally initialize interrupt controller */
|
|
pic.init_cpu_local();
|
|
|
|
/* initialize CPU in physical mode */
|
|
Cpu::init_phys_kernel();
|
|
|
|
/* switch to core address space */
|
|
Cpu::init_virt_kernel(core_pd);
|
|
|
|
/*
|
|
* TrustZone initialization code
|
|
*
|
|
* FIXME This is a plattform specific feature
|
|
*/
|
|
init_trustzone(pic);
|
|
|
|
/*
|
|
* Enable performance counter
|
|
*
|
|
* FIXME This is an optional CPU specific feature
|
|
*/
|
|
perf_counter()->enable();
|
|
|
|
/* enable timer interrupt */
|
|
unsigned const cpu = Cpu::executing_id();
|
|
pic.unmask(Timer::interrupt_id(cpu), cpu);
|
|
}
|
|
|