genode/base-foc/src/base/thread/thread_start.cc

68 lines
1.7 KiB
C++

/*
* \brief Fiasco-specific implementation of the non-core startup Thread API
* \author Norman Feske
* \author Stefan Kalkowski
* \date 2010-01-19
*/
/*
* Copyright (C) 2010-2012 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
*/
/* Genode includes */
#include <base/thread.h>
#include <base/printf.h>
#include <base/sleep.h>
#include <base/env.h>
using namespace Genode;
void Thread_base::_deinit_platform_thread()
{
env()->cpu_session()->kill_thread(_thread_cap);
}
void Thread_base::start()
{
/* create thread at core */
char buf[48];
name(buf, sizeof(buf));
_thread_cap = env()->cpu_session()->create_thread(buf);
/* assign thread to protection domain */
env()->pd_session()->bind_thread(_thread_cap);
/* create new pager object and assign it to the new thread */
Pager_capability pager_cap = env()->rm_session()->add_client(_thread_cap);
env()->cpu_session()->set_pager(_thread_cap, pager_cap);
/* register initial IP and SP at core */
addr_t thread_sp = (addr_t)&_context->stack[-4];
thread_sp &= ~0xf; /* align initial stack to 16 byte boundary */
env()->cpu_session()->start(_thread_cap, (addr_t)_thread_start, thread_sp);
/* get gate-capability and badge of new thread */
Thread_state state;
env()->cpu_session()->state(_thread_cap, &state);
_tid = state.cap.dst();
/*
* send newly constructed thread, pointer to its Thread_base object,
* and its badge
*/
Msgbuf<128> snd_msg, rcv_msg;
Ipc_client cli(state.cap, &snd_msg, &rcv_msg);
cli << (addr_t)this << state.cap.local_name() << IPC_CALL;
}
void Thread_base::cancel_blocking()
{
env()->cpu_session()->cancel_blocking(_thread_cap);
}