/*
* Copyright (C) 2012, 2020 embedded brains GmbH (http://www.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/test.h>
#include <rtems/test-info.h>
const char rtems_test_name[] = "SPINTRCRITICAL 18";
#define WAKE_UP RTEMS_EVENT_0
#define PRIORITY_LOW 3
#define PRIORITY_MIDDLE 2
#define PRIORITY_HIGH 1
typedef struct {
rtems_id middle_priority_task;
rtems_id high_priority_task;
bool high_priority_task_activated;
volatile bool early;
volatile bool switching;
volatile bool late;
long potential_hits;
} test_context;
static void wake_up( rtems_id task )
{
rtems_status_code sc;
sc = rtems_event_send( task, WAKE_UP );
T_quiet_rsc_success( sc );
}
static void wait_for_wake_up( void )
{
rtems_status_code sc;
rtems_event_set events;
sc = rtems_event_receive(
WAKE_UP,
RTEMS_EVENT_ALL | RTEMS_WAIT,
RTEMS_NO_TIMEOUT,
&events
);
T_quiet_rsc_success( sc );
T_quiet_eq_u32( events, WAKE_UP );
}
static T_interrupt_test_state active_high_priority_task( void *arg )
{
test_context *ctx = arg;
T_interrupt_test_state state;
state = T_interrupt_test_get_state();
if ( state != T_INTERRUPT_TEST_ACTION ) {
return T_INTERRUPT_TEST_CONTINUE;
}
T_quiet_false( ctx->high_priority_task_activated );
ctx->high_priority_task_activated = true;
wake_up( ctx->high_priority_task );
if ( ctx->early ) {
state = T_INTERRUPT_TEST_EARLY;
} else if ( ctx->late ) {
state = T_INTERRUPT_TEST_LATE;
} else {
++ctx->potential_hits;
if ( ctx->potential_hits > 13 ) {
state = T_INTERRUPT_TEST_DONE;
} else {
state = T_INTERRUPT_TEST_CONTINUE;
}
}
return state;
}
static void middle_priority_task( rtems_task_argument arg )
{
test_context *ctx = (test_context *) arg;
while ( true ) {
wait_for_wake_up();
ctx->late = true;
T_quiet_false( ctx->high_priority_task_activated );
}
}
static void high_priority_task( rtems_task_argument arg )
{
test_context *ctx = (test_context *) arg;
while ( true ) {
wait_for_wake_up();
T_quiet_true( ctx->high_priority_task_activated );
ctx->high_priority_task_activated = false;
}
}
static void prepare( void *arg )
{
test_context *ctx = arg;
ctx->early = true;
ctx->switching = false;
ctx->late = false;
}
static void action( void *arg )
{
test_context *ctx = arg;
ctx->early = false;
wake_up( ctx->middle_priority_task );
}
static void blocked( void *arg )
{
test_context *ctx = arg;
T_interrupt_test_state state;
state = T_interrupt_test_change_state(
T_INTERRUPT_TEST_ACTION,
T_INTERRUPT_TEST_LATE
);
if ( state == T_INTERRUPT_TEST_ACTION ) {
ctx->switching = true;
T_busy( 100 );
ctx->switching = false;
}
}
static const T_interrupt_test_config config = {
.prepare = prepare,
.action = action,
.interrupt = active_high_priority_task,
.blocked = blocked,
.max_iteration_count = 10000
};
T_TEST_CASE(InterruptDuringThreadDispatch)
{
T_interrupt_test_state state;
test_context ctx;
rtems_status_code sc;
memset( &ctx, 0, sizeof( ctx ) );
sc = rtems_task_create(
rtems_build_name( 'H', 'I', 'G', 'H' ),
PRIORITY_HIGH,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&ctx.high_priority_task
);
T_assert_rsc_success( sc );
sc = rtems_task_start(
ctx.high_priority_task,
high_priority_task,
(rtems_task_argument) &ctx
);
T_assert_rsc_success( sc );
sc = rtems_task_create(
rtems_build_name( 'M', 'I', 'D', 'L' ),
PRIORITY_MIDDLE,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&ctx.middle_priority_task
);
T_assert_rsc_success( sc );
sc = rtems_task_start(
ctx.middle_priority_task,
middle_priority_task,
(rtems_task_argument) &ctx
);
T_assert_rsc_success( sc );
state = T_interrupt_test( &config, &ctx );
T_eq_int( state, T_INTERRUPT_TEST_DONE );
sc = rtems_task_delete( ctx.high_priority_task );
T_rsc_success( sc );
sc = rtems_task_delete( ctx.middle_priority_task );
T_rsc_success( sc );
}
static rtems_task Init( rtems_task_argument argument )
{
rtems_test_run( argument, TEST_STATE );
}
#define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#define CONFIGURE_MICROSECONDS_PER_TICK 1000
#define CONFIGURE_MAXIMUM_TASKS 3
#define CONFIGURE_INIT_TASK_PRIORITY PRIORITY_LOW
#define CONFIGURE_INIT_TASK_ATTRIBUTES RTEMS_DEFAULT_ATTRIBUTES
#define CONFIGURE_INIT_TASK_INITIAL_MODES RTEMS_DEFAULT_MODES
#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
#define CONFIGURE_INIT
#include <rtems/confdefs.h>