69 lines
1.4 KiB
C++
69 lines
1.4 KiB
C++
/*
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* \brief Common kernel initialization
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* \author Martin Stein
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* \author Stefan Kalkowski
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* \date 2015-12-20
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*/
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/*
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* Copyright (C) 2015-2016 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 General Public License version 2.
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*/
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/* core includes */
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#include <kernel/pd.h>
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#include <kernel/kernel.h>
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#include <kernel/test.h>
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#include <platform_pd.h>
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#include <pic.h>
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#include <board.h>
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#include <platform_thread.h>
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/* base includes */
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#include <base/internal/unmanaged_singleton.h>
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using namespace Kernel;
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static_assert(sizeof(Genode::sizet_arithm_t) >= 2 * sizeof(size_t),
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"Bad result type for size_t arithmetics.");
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Pd * Kernel::core_pd() {
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return unmanaged_singleton<Genode::Core_platform_pd>()->kernel_pd(); }
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Pic * Kernel::pic() { return unmanaged_singleton<Pic>(); }
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Genode::Board & Kernel::board() {
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return *unmanaged_singleton<Genode::Board>(); }
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/**
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* Setup kernel environment
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*/
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extern "C" void init_kernel()
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{
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/*
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* As atomic operations are broken in physical mode on some platforms
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* we must avoid the use of 'cmpxchg' by now (includes not using any
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* local static objects.
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*/
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board().init();
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/* initialize cpu pool */
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cpu_pool();
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/* initialize current cpu */
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cpu_pool()->cpu(Cpu::executing_id())->init(*pic(), *core_pd(), board());
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Core_thread::singleton();
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Genode::printf("\nkernel initialized\n");
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test();
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kernel();
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}
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