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/*
* Classic API Signal to Task from ISR
*
* Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
*
* COPYRIGHT (c) 1989-2011.
* On-Line Applications Research Corporation (OAR).
*
* 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>
#include <rtems/score/threadimpl.h>
#include <rtems/rtems/eventimpl.h>
const char rtems_test_name[] = "SPINTRCRITICAL 21";
#define MAX_ITERATION_COUNT 10000
typedef struct {
rtems_id main_task;
Thread_Control *main_thread;
rtems_id other_task;
} test_context;
static void clear_pending_events( void )
{
rtems_event_set out;
(void) rtems_event_receive(
RTEMS_ALL_EVENTS,
RTEMS_NO_WAIT | RTEMS_EVENT_ANY,
0,
&out
);
}
static bool is_blocked( Thread_Wait_flags flags )
{
return flags == ( THREAD_WAIT_CLASS_EVENT | THREAD_WAIT_STATE_BLOCKED );
}
static bool interrupts_blocking_op( Thread_Wait_flags flags )
{
return flags
== ( THREAD_WAIT_CLASS_EVENT | THREAD_WAIT_STATE_INTEND_TO_BLOCK );
}
static T_interrupt_test_state event_from_isr_interrupt(
void *arg
)
{
test_context *ctx;
T_interrupt_test_state state;
Thread_Wait_flags flags;
rtems_status_code status;
ctx = arg;
flags = _Thread_Wait_flags_get( ctx->main_thread );
if ( interrupts_blocking_op( flags ) ) {
/*
* This event send hits the critical section but sends to
* another task so doesn't impact this critical section.
*/
status = rtems_event_send( ctx->other_task, 0x02 );
T_quiet_rsc_success( status );
/*
* This event send hits the main task but doesn't satisfy
* it's blocking condition so it will still block
*/
status = rtems_event_send( ctx->main_task, 0x02 );
T_quiet_rsc_success( status );
state = T_INTERRUPT_TEST_DONE;
} else if ( is_blocked( flags ) ) {
state = T_INTERRUPT_TEST_LATE;
} else {
state = T_INTERRUPT_TEST_EARLY;
}
status = rtems_event_send( ctx->main_task, 0x01 );
T_quiet_rsc_success( status );
return state;
}
static void event_from_isr_action( void *arg )
{
rtems_status_code status;
rtems_event_set out;
(void) arg;
status = rtems_event_receive( 0x01, RTEMS_DEFAULT_OPTIONS, 0, &out );
T_quiet_rsc_success( status );
}
static const T_interrupt_test_config event_from_isr_config = {
.action = event_from_isr_action,
.interrupt = event_from_isr_interrupt,
.max_iteration_count = MAX_ITERATION_COUNT
};
T_TEST_CASE(EventFromISR)
{
test_context ctx;
T_interrupt_test_state state;
rtems_status_code status;
ctx.main_task = rtems_task_self();
ctx.main_thread = _Thread_Get_executing();
status = rtems_task_create(
0xa5a5a5a5,
1,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&ctx.other_task
);
T_assert_rsc_success( status );
state = T_interrupt_test( &event_from_isr_config, &ctx );
T_eq_int( state, T_INTERRUPT_TEST_DONE );
status = rtems_task_delete( ctx.other_task );
T_rsc_success( status );
clear_pending_events();
}
static T_interrupt_test_state event_with_timeout_from_isr_interrupt(
void *arg
)
{
test_context *ctx;
T_interrupt_test_state state;
Thread_Wait_flags flags;
rtems_status_code status;
ctx = arg;
flags = _Thread_Wait_flags_get( ctx->main_thread );
if ( interrupts_blocking_op( flags ) ) {
/*
* We want to catch the task while it is blocking. Otherwise
* just send and make it happy.
*/
state = T_INTERRUPT_TEST_DONE;
} else if ( is_blocked( flags ) ) {
state = T_INTERRUPT_TEST_LATE;
} else {
state = T_INTERRUPT_TEST_EARLY;
}
status = rtems_event_send( ctx->main_task, 0x01 );
T_quiet_rsc_success( status );
return state;
}
static void event_with_timeout_from_isr_action( void *arg )
{
rtems_status_code status;
rtems_event_set out;
(void) arg;
status = rtems_event_receive( 0x01, RTEMS_DEFAULT_OPTIONS, 1, &out );
T_quiet_true( status == RTEMS_SUCCESSFUL || status == RTEMS_TIMEOUT );
}
static const T_interrupt_test_config event_with_timeout_from_isr_config = {
.action = event_with_timeout_from_isr_action,
.interrupt = event_with_timeout_from_isr_interrupt,
.max_iteration_count = MAX_ITERATION_COUNT
};
T_TEST_CASE( EventWithTimeoutFromISR )
{
test_context ctx;
T_interrupt_test_state state;
ctx.main_task = rtems_task_self();
ctx.main_thread = _Thread_Get_executing();
ctx.other_task = 0xdeadbeef;
state = T_interrupt_test( &event_with_timeout_from_isr_config, &ctx );
T_eq_int( state, T_INTERRUPT_TEST_DONE );
clear_pending_events();
}
static rtems_task Init( rtems_task_argument argument )
{
rtems_test_run( argument, TEST_STATE );
}
#define CONFIGURE_INIT
#define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
#define CONFIGURE_MICROSECONDS_PER_TICK 1000
#define CONFIGURE_MAXIMUM_TASKS 2
#include <rtems/confdefs.h>
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