coreboot-libre-fam15h-rdimm/3rdparty/chromeec/test/pingpong.c

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2024-03-04 11:14:53 +01:00
/* Copyright 2013 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* Tasks for scheduling test.
*/
#include "common.h"
#include "console.h"
#include "task.h"
#include "test_util.h"
#include "timer.h"
#include "util.h"
#define TEST_COUNT 3000
static int wake_count[3];
int task_abc(void *data)
{
int myid = task_get_current() - TASK_ID_TESTA;
task_id_t next = task_get_current() + 1;
if (next > TASK_ID_TESTC)
next = TASK_ID_TESTA;
task_wait_event(-1);
ccprintf("\n[starting Task %c]\n", ('A' + myid));
while (1) {
wake_count[myid]++;
if (myid == 2 && wake_count[myid] == TEST_COUNT) {
if (wake_count[0] == TEST_COUNT &&
wake_count[1] == TEST_COUNT)
test_pass();
else
test_fail();
wake_count[0] = wake_count[1] = wake_count[2] = 0;
task_wait_event(-1);
} else {
task_set_event(next, TASK_EVENT_WAKE, 1);
}
}
return EC_SUCCESS;
}
int task_tick(void *data)
{
task_wait_event(-1);
ccprintf("\n[starting Task T]\n");
/* Wake up every tick */
while (1) {
/* Wait for timer interrupt message */
usleep(3000);
}
return EC_SUCCESS;
}
void run_test(void)
{
wait_for_task_started();
task_wake(TASK_ID_TICK);
task_wake(TASK_ID_TESTA);
}