/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup ScoreThreadValSmpOneCpu
*/
/*
* Copyright (C) 2021 embedded brains GmbH & Co. KG
*
* 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
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* 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.
*/
/*
* This file is part of the RTEMS quality process and was automatically
* generated. If you find something that needs to be fixed or
* worded better please post a report or patch to an RTEMS mailing list
* or raise a bug report:
*
* https://www.rtems.org/bugs.html
*
* For information on updating and regenerating please refer to the How-To
* section in the Software Requirements Engineering chapter of the
* RTEMS Software Engineering manual. The manual is provided as a part of
* a release. For development sources please refer to the online
* documentation at:
*
* https://docs.rtems.org
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/score/threadimpl.h>
#include "tx-support.h"
#include <rtems/test.h>
/**
* @defgroup ScoreThreadValSmpOneCpu spec:/score/thread/val/smp-one-cpu
*
* @ingroup TestsuitesValidationSmpOneCpu0
*
* @brief Tests SMP-specific thread behaviour using only one processor and a
* uniprocessor scheduler.
*
* This test case performs the following actions:
*
* - Create one worker thread to validate the thread pinning on only one
* processor using a uniprocessor scheduler.
*
* - Pin the runner thread. Preempt the runner thread. Unpin the runner
* thread.
*
* - Clean up all used resources.
*
* @{
*/
/**
* @brief Test context for spec:/score/thread/val/smp-one-cpu test case.
*/
typedef struct {
/**
* @brief This member contains the worker thread identifier.
*/
rtems_id worker_id;
/**
* @brief This member contains a counter for EVENT_COUNT.
*/
volatile uint32_t counter;
} ScoreThreadValSmpOneCpu_Context;
static ScoreThreadValSmpOneCpu_Context
ScoreThreadValSmpOneCpu_Instance;
#define EVENT_COUNT RTEMS_EVENT_0
typedef ScoreThreadValSmpOneCpu_Context Context;
static void WorkerTask( rtems_task_argument arg )
{
Context *ctx;
ctx = (Context *) arg;
while ( true ) {
rtems_event_set events;
events = ReceiveAnyEvents();
if ( ( events & EVENT_COUNT ) != 0 ) {
++ctx->counter;
}
}
}
static T_fixture ScoreThreadValSmpOneCpu_Fixture = {
.setup = NULL,
.stop = NULL,
.teardown = NULL,
.scope = NULL,
.initial_context = &ScoreThreadValSmpOneCpu_Instance
};
/**
* @brief Create one worker thread to validate the thread pinning on only one
* processor using a uniprocessor scheduler.
*/
static void ScoreThreadValSmpOneCpu_Action_0(
ScoreThreadValSmpOneCpu_Context *ctx
)
{
Per_CPU_Control *cpu_self;
Thread_Control *executing;
executing = _Thread_Get_executing();
SetSelfPriority( PRIO_NORMAL );
ctx->counter = 0;
ctx->worker_id = CreateTask( "WORK", PRIO_HIGH );
StartTask( ctx->worker_id, WorkerTask, ctx );
/*
* Pin the runner thread. Preempt the runner thread. Unpin the runner
* thread.
*/
_Thread_Pin( executing );
/* We have to preempt the runner to end up in _Thread_Do_unpin() */
SendEvents( ctx->worker_id, EVENT_COUNT );
T_eq_u32( ctx->counter, 1 );
cpu_self = _Thread_Dispatch_disable();
_Thread_Unpin( executing, cpu_self );
_Thread_Dispatch_direct( cpu_self );
/*
* Clean up all used resources.
*/
DeleteTask( ctx->worker_id );
RestoreRunnerPriority();
}
/**
* @fn void T_case_body_ScoreThreadValSmpOneCpu( void )
*/
T_TEST_CASE_FIXTURE(
ScoreThreadValSmpOneCpu,
&ScoreThreadValSmpOneCpu_Fixture
)
{
ScoreThreadValSmpOneCpu_Context *ctx;
ctx = T_fixture_context();
ScoreThreadValSmpOneCpu_Action_0( ctx );
}
/** @} */
