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/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (c) 2016 embedded brains GmbH. All rights reserved.
*
* 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
#include "tmacros.h"
#include <stdio.h>
#include <inttypes.h>
#include <rtems.h>
#include <rtems/counter.h>
const char rtems_test_name[] = "TMTIMER 1";
typedef struct {
size_t cache_line_size;
size_t data_cache_size;
int dummy_value;
volatile int *dummy_data;
rtems_id first;
} test_context;
static test_context test_instance;
static void prepare_cache(test_context *ctx)
{
volatile int *data = ctx->dummy_data;
size_t m = ctx->data_cache_size / sizeof(*data);
size_t k = ctx->cache_line_size / sizeof(*data);
size_t j = ctx->dummy_value;
size_t i;
for (i = 0; i < m; i += k) {
data[i] = i + j;
}
ctx->dummy_value = i + j;
rtems_cache_invalidate_entire_instruction();
}
static void never(rtems_id id, void *arg)
{
rtems_test_assert(0);
}
static rtems_interval interval(size_t i)
{
rtems_interval d = 50000;
return i * d + d;
}
static void test_fire_and_cancel(
test_context *ctx,
size_t i,
size_t j,
const char *name
)
{
rtems_status_code sc;
rtems_status_code sc2;
rtems_counter_ticks a;
rtems_counter_ticks b;
rtems_counter_ticks d;
rtems_id id;
rtems_interrupt_level level;
id = ctx->first + i;
prepare_cache(ctx);
rtems_interrupt_local_disable(level);
a = rtems_counter_read();
sc = rtems_timer_fire_after(id, interval(j), never, NULL);
sc2 = rtems_timer_cancel(id);
b = rtems_counter_read();
rtems_interrupt_local_enable(level);
d = rtems_counter_difference(b, a);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
rtems_test_assert(sc2 == RTEMS_SUCCESSFUL);
printf(
"<%s unit=\"ns\">%" PRIu64 "</%s>",
name,
rtems_counter_ticks_to_nanoseconds(d),
name
);
}
static void test_case(test_context *ctx, size_t j, size_t k)
{
rtems_status_code sc;
size_t s;
size_t t;
s = j - k;
for (t = 0; t < s; ++t) {
size_t u = k + t;
sc = rtems_timer_fire_after(ctx->first + u, interval(u + 1), never, NULL);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
}
printf(" <Sample>\n <ActiveTimers>%zu</ActiveTimers>", j);
test_fire_and_cancel(ctx, j, 0, "First");
test_fire_and_cancel(ctx, j, j / 2, "Middle");
test_fire_and_cancel(ctx, j, j + 1, "Last");
printf("\n </Sample>\n");
}
static void test(void)
{
test_context *ctx = &test_instance;
rtems_status_code sc;
rtems_id id;
rtems_name n;
size_t j;
size_t k;
size_t timer_count;
ctx->cache_line_size = rtems_cache_get_data_line_size();
if (ctx->cache_line_size == 0) {
ctx->cache_line_size = 32;
}
ctx->data_cache_size = rtems_cache_get_data_cache_size(0);
if (ctx->data_cache_size == 0) {
ctx->data_cache_size = ctx->cache_line_size;
}
ctx->dummy_data = malloc(ctx->data_cache_size);
rtems_test_assert(ctx->dummy_data != NULL);
n = 1;
timer_count = 1;
sc = rtems_timer_create(n, &ctx->first);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
rtems_test_assert(rtems_object_id_get_index(ctx->first) == n);
while (true) {
++n;
sc = rtems_timer_create(n, &id);
if (sc != RTEMS_SUCCESSFUL) {
break;
}
rtems_test_assert(rtems_object_id_get_index(id) == n);
timer_count = n;
}
printf("<TMTimer01 timerCount=\"%zu\">\n", timer_count);
k = 0;
j = 0;
while (j < timer_count) {
test_case(ctx, j, k);
k = j;
j = (123 * (j + 1) + 99) / 100;
}
test_case(ctx, n - 2, k);
printf("</TMTimer01>\n");
}
static void Init(rtems_task_argument arg)
{
TEST_BEGIN();
test();
TEST_END();
rtems_test_exit(0);
}
#define CONFIGURE_MICROSECONDS_PER_TICK 50000
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
#define CONFIGURE_UNIFIED_WORK_AREAS
#define CONFIGURE_MAXIMUM_TASKS 1
#define CONFIGURE_MAXIMUM_TIMERS rtems_resource_unlimited(32)
#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
#define CONFIGURE_INIT
#include <rtems/confdefs.h>
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