/*
* Copyright (c) 2013 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 "tmacros.h"
const char rtems_test_name[] = "SMPSIGNAL 1";
#define TEST_SIGNAL RTEMS_SIGNAL_0
typedef enum {
SIG_0_READY,
SIG_0_SENT,
SIG_0_ENABLE,
SIG_0_PROCESSED,
SIG_1_READY,
SIG_1_SENT,
SIG_1_PROCESSED
} test_state;
typedef struct {
test_state state;
rtems_id consumer;
rtems_id producer;
uint32_t consumer_processor;
uint32_t producer_processor;
} test_context;
static void change_state(test_context *ctx, test_state new_state)
{
ctx->state = new_state;
_CPU_SMP_Processor_event_broadcast();
}
static void wait_for_state(const test_context *ctx, test_state desired_state)
{
while ( ctx->state != desired_state ) {
_CPU_SMP_Processor_event_receive();
}
}
static test_context ctx_instance = {
.state = SIG_0_READY
};
static void signal_handler(rtems_signal_set signal)
{
test_context *ctx = &ctx_instance;
switch (ctx->state) {
case SIG_0_ENABLE:
change_state(ctx, SIG_0_PROCESSED);
break;
case SIG_1_SENT:
change_state(ctx, SIG_1_PROCESSED);
break;
default:
rtems_test_assert(0);
}
}
static void signal_send(test_context *ctx, test_state new_state)
{
rtems_status_code sc;
sc = rtems_signal_send(ctx->consumer, TEST_SIGNAL);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
change_state(ctx, new_state);
}
static void check_consumer_processor(const test_context *ctx)
{
rtems_test_assert(
ctx->consumer_processor == rtems_smp_get_current_processor()
);
}
static void check_producer_processor(const test_context *ctx)
{
rtems_test_assert(
ctx->producer_processor == rtems_smp_get_current_processor()
);
}
static void producer(rtems_task_argument arg)
{
test_context *ctx = (test_context *) arg;
ctx->producer_processor = rtems_smp_get_current_processor();
rtems_test_assert(ctx->consumer_processor != ctx->producer_processor);
wait_for_state(ctx, SIG_0_READY);
signal_send(ctx, SIG_0_SENT);
check_producer_processor(ctx);
wait_for_state(ctx, SIG_1_READY);
signal_send(ctx, SIG_1_SENT);
check_producer_processor(ctx);
rtems_task_suspend(RTEMS_SELF);
rtems_test_assert(0);
}
static void test(void)
{
test_context *ctx = &ctx_instance;
rtems_status_code sc;
rtems_mode mode;
ctx->consumer = rtems_task_self();
ctx->consumer_processor = rtems_smp_get_current_processor();
sc = rtems_signal_catch(signal_handler, RTEMS_DEFAULT_MODES);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
sc = rtems_task_create(
rtems_build_name('P', 'R', 'O', 'D'),
RTEMS_MINIMUM_PRIORITY,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&ctx->producer
);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
sc = rtems_task_start(ctx->producer, producer, (rtems_task_argument) ctx);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
check_consumer_processor(ctx);
wait_for_state(ctx, SIG_0_SENT);
change_state(ctx, SIG_0_ENABLE);
sc = rtems_task_mode(RTEMS_ASR, RTEMS_ASR_MASK, &mode);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
wait_for_state(ctx, SIG_0_PROCESSED);
check_consumer_processor(ctx);
change_state(ctx, SIG_1_READY);
wait_for_state(ctx, SIG_1_PROCESSED);
check_consumer_processor(ctx);
}
static void Init(rtems_task_argument arg)
{
TEST_BEGIN();
if (rtems_smp_get_processor_count() >= 2) {
test();
}
TEST_END();
rtems_test_exit(0);
}
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
#define CONFIGURE_SMP_APPLICATION
#define CONFIGURE_SMP_MAXIMUM_PROCESSORS 2
#define CONFIGURE_MAXIMUM_TASKS 2
#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
#define CONFIGURE_INIT_TASK_INITIAL_MODES RTEMS_NO_ASR
#define CONFIGURE_INIT
#include <rtems/confdefs.h>