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/*
* Copyright (c) 2014 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems.h>
#include <rtems/counter.h>
#include <rtems/test.h>
#include <rtems/score/smpbarrier.h>
#include <rtems/score/smpimpl.h>
#include <rtems/score/threaddispatch.h>
#include <assert.h>
#include <stdlib.h>
const char rtems_test_name[] = "SMPFATAL 3";
#define CPU_COUNT 2
static uint32_t main_cpu;
static SMP_barrier_Control giant_barrier = SMP_BARRIER_CONTROL_INITIALIZER;
static SMP_barrier_Control fatal_barrier = SMP_BARRIER_CONTROL_INITIALIZER;
static void acquire_giant_and_fatal_task(rtems_task_argument arg)
{
SMP_barrier_State state = SMP_BARRIER_STATE_INITIALIZER;
int i;
for (i = 0; i < 13; ++i) {
_Giant_Acquire();
}
_SMP_barrier_Wait(&giant_barrier, &state, CPU_COUNT);
/*
* Now we have to wait some time so that the other thread can actually start
* with the _Giant_Acquire() procedure.
*/
rtems_counter_delay_nanoseconds(1000000);
rtems_fatal(RTEMS_FATAL_SOURCE_APPLICATION, 0xdeadbeef);
}
static void wait_for_giant(void)
{
SMP_barrier_State state = SMP_BARRIER_STATE_INITIALIZER;
_SMP_barrier_Wait(&giant_barrier, &state, CPU_COUNT);
_Giant_Acquire();
}
static void Init(rtems_task_argument arg)
{
uint32_t self = rtems_smp_get_current_processor();
uint32_t cpu_count = rtems_get_processor_count();
rtems_test_begink();
main_cpu = self;
if (cpu_count >= CPU_COUNT) {
rtems_status_code sc;
rtems_id id;
sc = rtems_task_create(
rtems_build_name( 'W', 'A', 'I', 'T' ),
1,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&id
);
assert(sc == RTEMS_SUCCESSFUL);
sc = rtems_task_start(id, acquire_giant_and_fatal_task, 0);
assert(sc == RTEMS_SUCCESSFUL);
wait_for_giant();
} else {
rtems_test_endk();
exit(0);
}
}
static void fatal_extension(
rtems_fatal_source source,
bool is_internal,
rtems_fatal_code code
)
{
if (
source == RTEMS_FATAL_SOURCE_APPLICATION
|| source == RTEMS_FATAL_SOURCE_SMP
) {
uint32_t self = rtems_smp_get_current_processor();
SMP_barrier_State state = SMP_BARRIER_STATE_INITIALIZER;
assert(!is_internal);
if (self == main_cpu) {
assert(source == RTEMS_FATAL_SOURCE_SMP);
assert(code == SMP_FATAL_SHUTDOWN);
} else {
assert(source == RTEMS_FATAL_SOURCE_APPLICATION);
assert(code == 0xdeadbeef);
}
_SMP_barrier_Wait(&fatal_barrier, &state, CPU_COUNT);
if (self == 0) {
rtems_test_endk();
}
}
}
#define CONFIGURE_APPLICATION_DOES_NOT_NEED_CLOCK_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
#define CONFIGURE_INITIAL_EXTENSIONS \
{ .fatal = fatal_extension }, \
RTEMS_TEST_INITIAL_EXTENSION
#define CONFIGURE_SMP_APPLICATION
#define CONFIGURE_SMP_MAXIMUM_PROCESSORS CPU_COUNT
#define CONFIGURE_MAXIMUM_TASKS 2
#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
#define CONFIGURE_INIT
#include <rtems/confdefs.h>
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