1 files changed, 183 insertions, 0 deletions
diff --git a/testsuites/validation/tc-score-thread-smp-one-cpu.c b/testsuites/validation/tc-score-thread-smp-one-cpu.c
new file mode 100644
index 0000000000..b3564d574e
--- /dev/null
+++ b/testsuites/validation/tc-score-thread-smp-one-cpu.c
@@ -0,0 +1,183 @@
+/* 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
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * 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 );
+}
+
+/** @} */