54 lines
1.2 KiB
C++
54 lines
1.2 KiB
C++
/*
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* \brief Kernel back-end for execution contexts in userland
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* \author Martin Stein
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* \author Reto Buerki
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* \author Stefan Kalkowski
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* \date 2013-11-11
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*/
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/*
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* Copyright (C) 2013-2015 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/thread.h>
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#include <kernel/pd.h>
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void Kernel::Thread::_call_update_data_region() { }
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void Kernel::Thread::_call_update_instr_region() { }
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void Kernel::Thread_event::_signal_acknowledged() { _thread->_resume(); }
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void Kernel::Thread::_mmu_exception()
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{
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_become_inactive(AWAITS_RESUME);
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_fault_pd = (addr_t)_pd->platform_pd();
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_fault_signal = (addr_t)_fault.signal_context();
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_fault_addr = Cpu::Cr2::read();
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/*
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* Core should never raise a page-fault. If this happens, print out an
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* error message with debug information.
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*/
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if (_pd == Kernel::core_pd())
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Genode::error("page fault in core thread (", label(), "): "
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"ip=", Genode::Hex(ip), " fault=", Genode::Hex(_fault_addr));
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_fault.submit();
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return;
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}
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void Kernel::Thread::_init() { }
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void Kernel::Thread::_call_update_pd() { }
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