diff options
Diffstat (limited to 'cts/task/th.c')
-rw-r--r--[l---------] | cts/task/th.c | 145 |
1 files changed, 144 insertions, 1 deletions
diff --git a/cts/task/th.c b/cts/task/th.c index 41eab28462..257809b4b8 120000..100644 --- a/cts/task/th.c +++ b/cts/task/th.c @@ -1 +1,144 @@ -dut.c
\ No newline at end of file +/* Copyright 2013 The ChromiumOS Authors + * 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 "cts_common.h" +#include "task.h" +#include "timer.h" + +static int repeat_count; +static int wake_count[3]; + +void clean_state(void) +{ + wake_count[0] = wake_count[1] = wake_count[2] = 0; +} + +void task_abc(void *data) +{ + int task_id = task_get_current(); + int id = task_id - TASK_ID_A; + task_id_t next = task_id + 1; + + if (next > TASK_ID_C) + next = TASK_ID_A; + + task_wait_event(-1); + + CPRINTS("%c Starting", 'A' + id); + cflush(); + + while (1) { + wake_count[id]++; + if (id == 2 && wake_count[id] == repeat_count) { + task_set_event(TASK_ID_CTS, TASK_EVENT_WAKE); + task_wait_event(0); + } else { + task_set_event(next, TASK_EVENT_WAKE); + task_wait_event(0); + } + } +} + +void 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); +} + +enum cts_rc test_task_switch(void) +{ + uint32_t event; + + repeat_count = 3000; + + task_wake(TASK_ID_A); + event = task_wait_event(5 * SECOND); + + if (event != TASK_EVENT_WAKE) { + CPRINTS("Woken up by unexpected event: 0x%08x", event); + return CTS_RC_FAILURE; + } + + if (wake_count[0] != repeat_count || wake_count[1] != repeat_count) { + CPRINTS("Unexpected counter values: %d %d %d", wake_count[0], + wake_count[1], wake_count[2]); + return CTS_RC_FAILURE; + } + + /* TODO: Verify no tasks are ready, no events are pending. */ + if (*task_get_event_bitmap(TASK_ID_A) || + *task_get_event_bitmap(TASK_ID_B) || + *task_get_event_bitmap(TASK_ID_C)) { + CPRINTS("Events are pending"); + return CTS_RC_FAILURE; + } + + return CTS_RC_SUCCESS; +} + +enum cts_rc test_task_priority(void) +{ + uint32_t event; + + repeat_count = 2; + + task_wake(TASK_ID_A); + task_wake(TASK_ID_C); + + event = task_wait_event(5 * SECOND); + + if (event != TASK_EVENT_WAKE) { + CPRINTS("Woken up by unexpected event: 0x%08x", event); + return CTS_RC_FAILURE; + } + + if (wake_count[0] != repeat_count - 1 || + wake_count[1] != repeat_count - 1) { + CPRINTS("Unexpected counter values: %d %d %d", wake_count[0], + wake_count[1], wake_count[2]); + return CTS_RC_FAILURE; + } + + /* TODO: Verify no tasks are ready, no events are pending. */ + if (*task_get_event_bitmap(TASK_ID_A) || + *task_get_event_bitmap(TASK_ID_B) || + *task_get_event_bitmap(TASK_ID_C)) { + CPRINTS("Events are pending"); + return CTS_RC_FAILURE; + } + + return CTS_RC_SUCCESS; +} + +static void recurse(int x) +{ + CPRINTS("+%d", x); + msleep(1); + recurse(x + 1); + CPRINTS("-%d", x); +} + +enum cts_rc test_stack_overflow(void) +{ + recurse(0); + return CTS_RC_FAILURE; +} + +#include "cts_testlist.h" + +void cts_task(void) +{ + task_wake(TASK_ID_TICK); + cts_main_loop(tests, "Task"); + task_wait_event(-1); +} |