86 lines
2.0 KiB
C++
86 lines
2.0 KiB
C++
/*
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* \brief NOVA-specific implementation of the Thread API
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* \author Norman Feske
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* \date 2010-01-19
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*/
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/*
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* Copyright (C) 2010-2013 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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/* Genode includes */
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#include <base/thread.h>
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#include <base/printf.h>
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#include <base/sleep.h>
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#include <base/env.h>
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/* base-internal includes */
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#include <base/internal/stack.h>
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using namespace Genode;
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/**
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* Entry point entered by new threads
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*/
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void Thread_base::_thread_start()
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{
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Thread_base::myself()->_thread_bootstrap();
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Thread_base::myself()->entry();
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Thread_base::myself()->_join_lock.unlock();
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Genode::sleep_forever();
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}
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/*****************
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** Thread base **
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*****************/
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void Thread_base::_deinit_platform_thread()
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{
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if (!_cpu_session)
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_cpu_session = env()->cpu_session();
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_cpu_session->kill_thread(_thread_cap);
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}
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void Thread_base::start()
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{
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/* if no cpu session is given, use it from the environment */
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if (!_cpu_session)
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_cpu_session = env()->cpu_session();
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/* create thread at core */
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char buf[48];
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name(buf, sizeof(buf));
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enum { WEIGHT = Cpu_session::DEFAULT_WEIGHT };
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addr_t const utcb = (addr_t)&_stack->utcb();
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_thread_cap = _cpu_session->create_thread(WEIGHT, buf, utcb);
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if (!_thread_cap.valid())
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throw Cpu_session::Thread_creation_failed();
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/* assign thread to protection domain */
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if (env()->pd_session()->bind_thread(_thread_cap))
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throw Cpu_session::Thread_creation_failed();
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/* create new pager object and assign it to the new thread */
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Pager_capability pager_cap = env()->rm_session()->add_client(_thread_cap);
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if (!pager_cap.valid())
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throw Cpu_session::Thread_creation_failed();
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_cpu_session->set_pager(_thread_cap, pager_cap);
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/* register initial IP and SP at core */
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_cpu_session->start(_thread_cap, (addr_t)_thread_start, _stack->top());
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}
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void Thread_base::cancel_blocking()
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{
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_cpu_session->cancel_blocking(_thread_cap);
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}
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