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-rw-r--r--cts/mutex/dut.c116
1 files changed, 0 insertions, 116 deletions
diff --git a/cts/mutex/dut.c b/cts/mutex/dut.c
deleted file mode 100644
index 9cbbd8badb..0000000000
--- a/cts/mutex/dut.c
+++ /dev/null
@@ -1,116 +0,0 @@
-/* Copyright 2016 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.
- * Copyright 2011 Google Inc.
- *
- * Tasks for mutexes basic tests.
- */
-
-#include "console.h"
-#include "common.h"
-#include "cts_common.h"
-#include "task.h"
-#include "test_util.h"
-#include "timer.h"
-#include "util.h"
-
-static struct mutex mtx;
-
-/* period between 50us and 3.2ms */
-#define PERIOD_US(num) (((num % 64) + 1) * 50)
-/* one of the 3 MTX3x tasks */
-#define RANDOM_TASK(num) (TASK_ID_MTX3C + (num % 3))
-
-int mutex_random_task(void *unused)
-{
- char letter = 'A'+(TASK_ID_MTX3A - task_get_current());
- /* wait to be activated */
-
- while (1) {
- task_wait_event(0);
- ccprintf("%c+\n", letter);
- mutex_lock(&mtx);
- ccprintf("%c=\n", letter);
- task_wait_event(0);
- ccprintf("%c-\n", letter);
- mutex_unlock(&mtx);
- }
-
- task_wait_event(0);
-
- return EC_SUCCESS;
-}
-
-int mutex_second_task(void *unused)
-{
- task_id_t id = task_get_current();
-
- ccprintf("\n[Mutex second task %d]\n", id);
-
- task_wait_event(0);
- ccprintf("MTX2: locking...");
- mutex_lock(&mtx);
- ccprintf("done\n");
- task_wake(TASK_ID_CTS);
- ccprintf("MTX2: unlocking...\n");
- mutex_unlock(&mtx);
-
- task_wait_event(0);
-
- return EC_SUCCESS;
-}
-
-static enum cts_rc lock_unlock_test(void)
-{
- task_id_t id = task_get_current();
- uint32_t rdelay = (uint32_t)0x0bad1dea;
- uint32_t rtask = (uint32_t)0x1a4e1dea;
- int i;
-
- ccprintf("\n[Mutex main task %d]\n", id);
-
- /* --- Lock/Unlock without contention --- */
- ccprintf("No contention :");
- mutex_lock(&mtx);
- mutex_unlock(&mtx);
- mutex_lock(&mtx);
- mutex_unlock(&mtx);
- mutex_lock(&mtx);
- mutex_unlock(&mtx);
- ccprintf("done.\n");
-
- /* --- Serialization to test simple contention --- */
- ccprintf("Simple contention :\n");
- /* lock the mutex from the other task */
- task_set_event(TASK_ID_MTX2, TASK_EVENT_WAKE);
- task_wait_event(0);
- /* block on the mutex */
- ccprintf("MTX1: blocking...\n");
- mutex_lock(&mtx);
- ccprintf("MTX1: get lock\n");
- mutex_unlock(&mtx);
-
- /* --- mass lock-unlocking from several tasks --- */
- ccprintf("Massive locking/unlocking :\n");
- for (i = 0; i < 500; i++) {
- /* Wake up a random task */
- task_wake(RANDOM_TASK(rtask));
- /* next pseudo random delay */
- rtask = prng(rtask);
- /* Wait for a "random" period */
- task_wait_event(PERIOD_US(rdelay));
- /* next pseudo random delay */
- rdelay = prng(rdelay);
- }
-
- return EC_SUCCESS;
-}
-
-#include "cts_testlist.h"
-
-void cts_task(void)
-{
- wait_for_task_started();
- cts_main_loop(tests, "Mutex");
- task_wait_event(-1);
-}