/* SPDX-License-Identifier: BSD-2-Clause */
/*
* COPYRIGHT (c) 1989-2011.
* On-Line Applications Research Corporation (OAR).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#define CONFIGURE_INIT
#include "system.h"
#include <stdio.h>
#include <inttypes.h>
const char rtems_test_name[] = "SMP 3";
static void success(void)
{
TEST_END();
rtems_test_exit( 0 );
}
void Loop() {
volatile int i;
for (i=0; i<300000; i++);
}
void PrintTaskInfo(
const char *task_name
)
{
uint32_t cpu_num;
cpu_num = rtems_scheduler_get_processor();
locked_printf(" CPU %" PRIu32 " running task %s\n", cpu_num, task_name );
}
rtems_task Init(
rtems_task_argument argument
)
{
uint32_t i;
char ch = '0';
rtems_id id;
rtems_status_code status;
uint32_t cpu_max;
Loop();
TEST_BEGIN();
locked_print_initialize();
cpu_max = rtems_scheduler_get_processor_maximum();
if ( cpu_max == 1 ) {
success();
}
/* Initialize the TaskRan array */
TaskRan[0] = true;
for ( i=1; i<cpu_max ; i++ ) {
TaskRan[i] = false;
}
/* Show that the init task is running on this cpu */
PrintTaskInfo( "Init" );
/* for each remaining cpu create and start a task */
for ( i=1; i < cpu_max; i++ ){
ch = '0' + i;
status = rtems_task_create(
rtems_build_name( 'T', 'A', ch, ' ' ),
CONFIGURE_INIT_TASK_PRIORITY + (2*i),
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_PREEMPT,
RTEMS_FLOATING_POINT,
&id
);
directive_failed( status, "rtems_task_create" );
status = rtems_task_start( id, Test_task, i );
directive_failed( status, "rtems_task_start" );
/* Allow task to start before starting next task.
* This is necessary on some simulators.
*/
while (TaskRan[i] == false)
;
}
/* Create/Start an aditional task with the highest priority */
status = rtems_task_create(
rtems_build_name( 'T', 'A', ch + 1, ' ' ),
3,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_PREEMPT,
RTEMS_FLOATING_POINT,
&id
);
directive_failed( status, "rtems_task_create" );
status = rtems_task_start(id,Test_task,cpu_max);
directive_failed( status, "rtems_task_start" );
/* Wait on all tasks to run */
while (1) {
TestFinished = true;
for ( i=1; i < (cpu_max+1) ; i++ ) {
if (TaskRan[i] == false)
TestFinished = false;
}
if (TestFinished) {
success();
}
}
rtems_test_exit( 0 );
}