/*
* Copyright (c) 2016 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
#define TEST_INIT
#include "tmacros.h"
#include <rtems.h>
#include <rtems/libcsupport.h>
#include <rtems/score/percpu.h>
#include <rtems/score/smpbarrier.h>
#include <test_support.h>
#define CPU_COUNT 2
#define SCHEDULER_A rtems_build_name(' ', ' ', ' ', 'A')
#define SCHEDULER_B rtems_build_name(' ', ' ', ' ', 'B')
const char rtems_test_name[] = "SMPCLOCK 1";
typedef struct {
SMP_barrier_Control barrier;
SMP_barrier_State delay_barrier_state;
SMP_barrier_State timer_barrier_state;
} test_context;
static test_context test_instance = {
.barrier = SMP_BARRIER_CONTROL_INITIALIZER,
.delay_barrier_state = SMP_BARRIER_STATE_INITIALIZER,
.timer_barrier_state = SMP_BARRIER_STATE_INITIALIZER
};
static void wait(test_context *ctx, SMP_barrier_State *bs)
{
_SMP_barrier_Wait(&ctx->barrier, bs, CPU_COUNT);
}
static void timer_isr(rtems_id id, void *arg)
{
test_context *ctx = arg;
/* (B) */
wait(ctx, &ctx->timer_barrier_state);
}
static void timer_task(rtems_task_argument arg)
{
test_context *ctx = (test_context *) arg;
rtems_status_code sc;
rtems_id timer_id;
rtems_test_assert(rtems_get_current_processor() == 1);
sc = rtems_timer_create(SCHEDULER_B, &timer_id);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
/* (A) */
wait(ctx, &ctx->timer_barrier_state);
sc = rtems_timer_fire_after(timer_id, 1, timer_isr, ctx);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
sc = rtems_task_wake_after(1);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
sc = rtems_timer_delete(timer_id);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
/* (C) */
wait(ctx, &ctx->timer_barrier_state);
while (true) {
/* Wait for deletion */
}
}
static void delay_clock_tick(test_context *ctx)
{
rtems_interrupt_level level;
const Per_CPU_Control *cpu_self = _Per_CPU_Get_by_index(0);
const Per_CPU_Control *cpu_other = _Per_CPU_Get_by_index(1);
uint64_t ticks;
rtems_test_assert(rtems_get_current_processor() == 0);
rtems_test_spin_until_next_tick();
ticks = cpu_self->Watchdog.ticks;
rtems_interrupt_local_disable(level);
/* (A) */
wait(ctx, &ctx->delay_barrier_state);
/* (B) */
wait(ctx, &ctx->delay_barrier_state);
rtems_test_assert(cpu_self->Watchdog.ticks == ticks);
rtems_test_assert(cpu_other->Watchdog.ticks == ticks + 1);
rtems_interrupt_local_enable(level);
rtems_test_assert(cpu_self->Watchdog.ticks == ticks + 1);
rtems_test_assert(cpu_other->Watchdog.ticks == ticks + 1);
/* (C) */
wait(ctx, &ctx->delay_barrier_state);
}
static void test(void)
{
test_context *ctx = &test_instance;
rtems_status_code sc;
rtems_id scheduler_b_id;
rtems_id task_id;
sc = rtems_scheduler_ident(SCHEDULER_B, &scheduler_b_id);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
sc = rtems_task_create(
SCHEDULER_B,
255,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&task_id
);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
sc = rtems_task_set_scheduler(task_id, scheduler_b_id, 1);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
sc = rtems_task_start(task_id, timer_task, (rtems_task_argument) ctx);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
delay_clock_tick(ctx);
sc = rtems_task_delete(task_id);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
}
static void Init(rtems_task_argument arg)
{
rtems_resource_snapshot snapshot;
TEST_BEGIN();
rtems_resource_snapshot_take(&snapshot);
if (rtems_get_processor_count() == CPU_COUNT) {
test();
}
rtems_test_assert(rtems_resource_snapshot_check(&snapshot));
TEST_END();
rtems_test_exit(0);
}
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
#define CONFIGURE_MAXIMUM_PROCESSORS CPU_COUNT
#define CONFIGURE_SCHEDULER_SIMPLE_SMP
#include <rtems/scheduler.h>
RTEMS_SCHEDULER_CONTEXT_SIMPLE_SMP(a);
RTEMS_SCHEDULER_CONTEXT_SIMPLE_SMP(b);
#define CONFIGURE_SCHEDULER_CONTROLS \
RTEMS_SCHEDULER_CONTROL_SIMPLE_SMP(a, SCHEDULER_A), \
RTEMS_SCHEDULER_CONTROL_SIMPLE_SMP(b, SCHEDULER_B)
#define CONFIGURE_SMP_SCHEDULER_ASSIGNMENTS \
RTEMS_SCHEDULER_ASSIGN(0, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_MANDATORY), \
RTEMS_SCHEDULER_ASSIGN(1, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_OPTIONAL)
#define CONFIGURE_MAXIMUM_TASKS CPU_COUNT
#define CONFIGURE_MAXIMUM_TIMERS 1
#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
#define CONFIGURE_INIT
#include <rtems/confdefs.h>