70 lines
1.7 KiB
C++
70 lines
1.7 KiB
C++
/*
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* \brief Implementation of Thread API interface for core
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* \author Stefan Kalkowski
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* \author Martin Stein
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* \date 2014-02-27
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*/
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/*
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* Copyright (C) 2014 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/sleep.h>
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#include <base/env.h>
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/* core includes */
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#include <map_local.h>
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#include <kernel/kernel.h>
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#include <platform.h>
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#include <platform_thread.h>
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using namespace Genode;
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namespace Genode { Rm_session * env_context_area_rm_session(); }
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extern Ram_dataspace_capability _main_thread_utcb_ds;
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extern Native_thread_id _main_thread_id;
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void Thread_base::start()
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{
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/* start thread with stack pointer at the top of stack */
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if (_tid.platform_thread->start((void *)&_thread_start, stack_top()))
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PERR("failed to start thread");
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}
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void Thread_base::cancel_blocking()
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{
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_tid.platform_thread->cancel_blocking();
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}
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void Thread_base::_deinit_platform_thread()
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{
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/* destruct platform thread */
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destroy(platform()->core_mem_alloc(), _tid.platform_thread);
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}
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void Thread_base::_init_platform_thread(size_t, Type type)
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{
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if (type == NORMAL) {
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_tid.platform_thread = new (platform()->core_mem_alloc())
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Platform_thread(_context->name, &_context->utcb);
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return;
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}
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/* remap initial main-thread UTCB according to context-area spec */
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Genode::map_local((addr_t)Kernel::core_main_thread_utcb_phys_addr(),
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(addr_t)&_context->utcb,
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max(sizeof(Native_utcb) / get_page_size(), (size_t)1));
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/* adjust initial object state in case of a main thread */
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tid().thread_id = _main_thread_id;
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}
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