67ba7b89a7
* Introduce Hw namespace and library files under src/lib/hw * Introduce Bootstrap namespace * Move all initialization logic into Bootstrap namespace Ref #2388
45 lines
984 B
C++
45 lines
984 B
C++
/*
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* \brief Cpu class implementation specific to Cortex A9 SMP
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* \author Stefan Kalkowski
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* \date 2015-12-09
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*/
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/*
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* Copyright (C) 2015-2017 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 Affero General Public License version 3.
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*/
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/* core includes */
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#include <kernel/perf_counter.h>
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#include <kernel/lock.h>
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#include <kernel/pd.h>
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#include <pic.h>
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#include <platform_pd.h>
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#include <platform.h>
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extern int _mt_begin;
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extern int _mt_master_context_begin;
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void Kernel::Cpu::init(Kernel::Pic &pic)
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{
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Cpu_context * c = (Cpu_context*)
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(Cpu::exception_entry + ((addr_t)&_mt_master_context_begin -
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(addr_t)&_mt_begin));
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c->cpu_exception = Genode::Cpu::Ttbr0::read();
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_fpu.init();
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{
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Lock::Guard guard(data_lock());
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/* enable performance counter */
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perf_counter()->enable();
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/* enable timer interrupt */
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pic.unmask(Timer::interrupt_id(id()), id());
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}
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}
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