45 lines
981 B
C++
45 lines
981 B
C++
/*
|
|
* \brief Kernel backend for execution contexts in userland
|
|
* \author Martin Stein
|
|
* \author Stefan Kalkowski
|
|
* \date 2014-01-14
|
|
*/
|
|
|
|
/*
|
|
* Copyright (C) 2014 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.
|
|
*/
|
|
|
|
/* core includes */
|
|
#include <kernel/thread.h>
|
|
|
|
using namespace Kernel;
|
|
|
|
Thread::Thread(unsigned const priority, unsigned const quota,
|
|
char const * const label)
|
|
:
|
|
Thread_base(this), Cpu_job(priority, quota), _state(AWAITS_START), _pd(0),
|
|
_utcb_phys(0), _signal_receiver(0), _label(label) {}
|
|
|
|
|
|
void Thread::exception(unsigned const cpu)
|
|
{
|
|
if (trapno == PAGE_FAULT) {
|
|
_mmu_exception();
|
|
return;
|
|
}
|
|
if (trapno == SUPERVISOR_CALL) {
|
|
_call();
|
|
return;
|
|
} else if (trapno >= INTERRUPTS_START && trapno <= INTERRUPTS_END) {
|
|
_interrupt(cpu);
|
|
return;
|
|
} else {
|
|
PWRN("unknown exception 0x%lx", trapno);
|
|
_stop();
|
|
return;
|
|
}
|
|
}
|