80 lines
1.8 KiB
C++
80 lines
1.8 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) 2010-2012 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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/* Codezero includes */
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#include <codezero/syscalls.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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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::_init_platform_thread()
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{
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Codezero::l4_mutex_init(utcb()->running_lock());
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Codezero::l4_mutex_lock(utcb()->running_lock()); /* block on first mutex lock */
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}
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void Thread_base::_deinit_platform_thread()
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{
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env()->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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/* create thread at core */
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char buf[48];
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name(buf, sizeof(buf));
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_thread_cap = env()->cpu_session()->create_thread(buf);
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/* assign thread to protection domain */
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env()->pd_session()->bind_thread(_thread_cap);
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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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env()->cpu_session()->set_pager(_thread_cap, pager_cap);
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/* register initial IP and SP at core */
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addr_t thread_sp = (addr_t)&_context->stack[-4];
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thread_sp &= ~0xf; /* align initial stack to 16 byte boundary */
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env()->cpu_session()->start(_thread_cap, (addr_t)_thread_start, thread_sp);
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}
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void Thread_base::cancel_blocking()
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{
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Codezero::l4_mutex_unlock(utcb()->running_lock());
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env()->cpu_session()->cancel_blocking(_thread_cap);
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}
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