genode/repos/base-sel4/src/core/thread_start.cc

87 lines
1.8 KiB
C++

/*
* \brief Implementation of Thread API interface for core
* \author Norman Feske
* \date 2015-05-01
*/
/*
* Copyright (C) 2015 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>
/* base-internal includes */
#include <base/internal/stack.h>
/* core includes */
#include <platform.h>
#include <platform_thread.h>
#include <thread_sel4.h>
using namespace Genode;
void Thread_base::_init_platform_thread(size_t, Type type)
{
addr_t const utcb_virt_addr = (addr_t)&_stack->utcb();
if (type == MAIN) {
_tid.tcb_sel = seL4_CapInitThreadTCB;
return;
}
Thread_info thread_info;
thread_info.init(utcb_virt_addr);
if (!map_local(thread_info.ipc_buffer_phys, utcb_virt_addr, 1)) {
PERR("could not map IPC buffer phys %lx at local %lx",
thread_info.ipc_buffer_phys, utcb_virt_addr);
}
_tid.tcb_sel = thread_info.tcb_sel.value();
_tid.ep_sel = thread_info.ep_sel.value();
Platform &platform = *platform_specific();
seL4_CapData_t no_cap_data = { { 0 } };
int const ret = seL4_TCB_SetSpace(_tid.tcb_sel, 0,
platform.top_cnode().sel().value(), no_cap_data,
seL4_CapInitThreadPD, no_cap_data);
ASSERT(ret == 0);
}
void Thread_base::_deinit_platform_thread()
{
PDBG("not implemented");
}
void Thread_base::_thread_start()
{
Thread_base::myself()->_thread_bootstrap();
Thread_base::myself()->entry();
sleep_forever();
}
void Thread_base::start()
{
start_sel4_thread(Cap_sel(_tid.tcb_sel), (addr_t)&_thread_start,
(addr_t)stack_top());
}
void Thread_base::cancel_blocking()
{
PWRN("not implemented");
}