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/*
* Copyright (C) 2015, 2020 embedded brains GmbH (http://www.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
#include <rtems/test.h>
#include <rtems/test-info.h>
#include <string.h>
#include <rtems.h>
#include <rtems/score/schedulerpriorityimpl.h>
#include <rtems/score/threadimpl.h>
const char rtems_test_name[] = "SPINTRCRITICAL 23";
typedef struct {
RTEMS_INTERRUPT_LOCK_MEMBER(lock)
rtems_id task_id;
Scheduler_priority_Node *scheduler_node;
rtems_task_priority priority_task;
rtems_task_priority priority_interrupt;
volatile bool early;
volatile bool late;
} test_context;
static T_interrupt_test_state interrupt(void *arg)
{
test_context *ctx = arg;
T_interrupt_test_state state;
rtems_interrupt_lock_context lock_context;
unsigned int next_priority;
state = T_interrupt_test_get_state();
if (state != T_INTERRUPT_TEST_ACTION) {
return T_INTERRUPT_TEST_CONTINUE;
}
rtems_interrupt_lock_acquire(&ctx->lock, &lock_context);
next_priority = SCHEDULER_PRIORITY_UNMAP(
(unsigned int) ctx->scheduler_node->Base.Priority.value
);
if ( ctx->scheduler_node->Ready_queue.current_priority != next_priority ) {
rtems_task_priority priority_interrupt;
rtems_task_priority priority_task;
rtems_task_priority previous;
rtems_status_code sc;
priority_interrupt = ctx->priority_interrupt;
priority_task = ctx->priority_task;
rtems_interrupt_lock_release(&ctx->lock, &lock_context);
sc = rtems_task_set_priority(
ctx->task_id,
priority_interrupt,
&previous
);
T_quiet_rsc_success(sc);
T_quiet_eq_u32(previous, priority_task);
state = T_INTERRUPT_TEST_DONE;
} else {
rtems_interrupt_lock_release(&ctx->lock, &lock_context);
if ( ctx->early ) {
state = T_INTERRUPT_TEST_EARLY;
} else if ( ctx->late ) {
state = T_INTERRUPT_TEST_LATE;
} else {
state = T_INTERRUPT_TEST_CONTINUE;
}
}
return state;
}
static void prepare(void *arg)
{
test_context *ctx = arg;
ctx->early = true;
ctx->late = false;
}
static void action(void *arg)
{
test_context *ctx = arg;
rtems_status_code sc;
rtems_interrupt_lock_context lock_context;
rtems_task_priority priority_last;
rtems_task_priority priority_task;
rtems_task_priority priority_interrupt;
rtems_task_priority previous;
rtems_interrupt_lock_acquire(&ctx->lock, &lock_context);
priority_last = ctx->priority_task;
priority_task = 1 + (priority_last + 1) % 3;
priority_interrupt = 1 + (priority_task + 1) % 3;
ctx->priority_task = priority_task;
ctx->priority_interrupt = priority_interrupt;
rtems_interrupt_lock_release(&ctx->lock, &lock_context);
ctx->early = false;
sc = rtems_task_set_priority(
ctx->task_id,
priority_task,
&previous
);
T_quiet_rsc_success(RTEMS_SUCCESSFUL);
T_quiet_eq_u32(previous, priority_last);
ctx->late = true;
if (T_interrupt_test_get_state() == T_INTERRUPT_TEST_DONE) {
sc = rtems_task_set_priority(
ctx->task_id,
RTEMS_CURRENT_PRIORITY,
&previous
);
T_quiet_rsc_success(sc);
T_quiet_eq_u32(previous, priority_interrupt);
}
}
static const T_interrupt_test_config config = {
.prepare = prepare,
.action = action,
.interrupt = interrupt,
.max_iteration_count = 10000
};
T_TEST_CASE(TaskSetPriorityInterrupt)
{
test_context ctx;
T_interrupt_test_state state;
rtems_status_code sc;
rtems_task_priority prio;
sc = rtems_task_set_priority(RTEMS_SELF, RTEMS_CURRENT_PRIORITY, &prio);
T_rsc_success(sc);
memset(&ctx, 0, sizeof(ctx));
rtems_interrupt_lock_initialize(&ctx.lock, "Test");
ctx.priority_task = 1;
ctx.task_id = rtems_task_self();
ctx.scheduler_node =
_Scheduler_priority_Thread_get_node(_Thread_Get_executing());
state = T_interrupt_test(&config, &ctx);
T_eq_int(state, T_INTERRUPT_TEST_DONE);
rtems_interrupt_lock_destroy(&ctx.lock);
sc = rtems_task_set_priority(RTEMS_SELF, prio, &prio);
T_rsc_success(sc);
}
static rtems_task Init(rtems_task_argument argument)
{
rtems_test_run(argument, TEST_STATE);
}
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
#define CONFIGURE_MICROSECONDS_PER_TICK 1000
#define CONFIGURE_MAXIMUM_TASKS 1
/* We use internal data structures of this scheduler in this test */
#define CONFIGURE_SCHEDULER_PRIORITY
#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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