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hw: get start-thread syscall multiprocessing aware

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ref #1076
This commit is contained in:
Martin Stein 2014-03-06 13:24:36 +01:00 committed by Norman Feske
parent 5f0843082a
commit ed9c4f4427
1 changed files with 17 additions and 18 deletions
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35
base-hw/src/core/kernel/thread.cc
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@ -352,32 +352,31 @@ void Thread::_call_start_thread()
{
/* check permissions */
if (!_core()) {
PERR("not entitled to start thread");
PERR("permission denied");
user_arg_0(0);
return;
}
/* dispatch arguments */
unsigned const thread_id = user_arg_1();
unsigned const cpu_id = user_arg_2();
unsigned const pd_id = user_arg_3();
Native_utcb * const utcb = (Native_utcb *)user_arg_4();
/* lookup targeted thread */
Thread * const t = Thread::pool()->object(thread_id);
if (!t) {
unsigned const thread_id = user_arg_1();
Thread * const thread = Thread::pool()->object(thread_id);
if (!thread) {
PERR("unknown thread");
user_arg_0(0);
return;
}
/*
* Start thread
*
* FIXME: The affinity of a thread is ignored by now.
* Instead we always assign the primary processor.
*/
if (cpu_id) { PERR("multiprocessing not supported"); }
t->init(processor_pool()->primary(), pd_id, utcb, 1);
user_arg_0((Call_ret)t->_pd->tlb());
/* lookup targeted processor */
unsigned const processor_id = user_arg_2();
Processor * const processor = processor_pool()->select(processor_id);
if (!processor) {
PERR("unknown processor");
user_arg_0(0);
return;
}
/* start thread */
unsigned const pd_id = user_arg_3();
Native_utcb * const utcb = (Native_utcb *)user_arg_4();
thread->init(processor, pd_id, utcb, 1);
user_arg_0((Call_ret)thread->_pd->tlb());
}