validation: Test thread pinning on one CPU

4 files changed, 285 insertions, 0 deletions

diff --git a/spec/build/testsuites/validation/grp.yml b/spec/build/testsuites/validation/grp.yml
index cb5c691e60..7f82f8a973 100644
--- a/spec/build/testsuites/validation/grp.yml
+++ b/spec/build/testsuites/validation/grp.yml
@@ -63,6 +63,8 @@ links:
 - role: build-dependency
   uid: validation-one-cpu-1
 - role: build-dependency
+  uid: validation-smp-one-cpu-0
+- role: build-dependency
   uid: validation-smp-only-0
 - role: build-dependency
   uid: validation-smp-only-1
diff --git a/spec/build/testsuites/validation/validation-smp-one-cpu-0.yml b/spec/build/testsuites/validation/validation-smp-one-cpu-0.yml
new file mode 100644
index 0000000000..d8d2b60ae4
--- /dev/null
+++ b/spec/build/testsuites/validation/validation-smp-one-cpu-0.yml
@@ -0,0 +1,21 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+build-type: test-program
+cflags: []
+copyrights:
+- Copyright (C) 2021 embedded brains GmbH (http://www.embedded-brains.de)
+cppflags: []
+cxxflags: []
+enabled-by: RTEMS_SMP
+features: c cprogram
+includes: []
+ldflags: []
+links: []
+source:
+- testsuites/validation/tc-score-thread-smp-one-cpu.c
+- testsuites/validation/ts-validation-smp-one-cpu-0.c
+stlib: []
+target: testsuites/validation/ts-validation-smp-one-cpu-0.exe
+type: build
+use-after:
+- validation
+use-before: []
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..c87a06a267
--- /dev/null
+++ b/testsuites/validation/tc-score-thread-smp-one-cpu.c
@@ -0,0 +1,186 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSTestCaseScoreThreadValSmpOneCpu
+ */
+
+/*
+ * Copyright (C) 2021 embedded brains GmbH (http://www.embedded-brains.de)
+ *
+ * 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 RTEMSTestCaseScoreThreadValSmpOneCpu \
+ *   spec:/score/thread/val/smp-one-cpu
+ *
+ * @ingroup RTEMSTestSuiteTestsuitesValidationSmpOneCpu0
+ *
+ * @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;
+
+static T_fixture ScoreThreadValSmpOneCpu_Fixture = {
+  .setup = NULL,
+  .stop = NULL,
+  .teardown = NULL,
+  .scope = NULL,
+  .initial_context = &ScoreThreadValSmpOneCpu_Instance
+};
+
+typedef ScoreThreadValSmpOneCpu_Context Context;
+
+typedef enum {
+  EVENT_COUNT = RTEMS_EVENT_0
+} Event;
+
+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;
+    }
+  }
+}
+
+/**
+ * @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 );
+}
+
+/** @} */
diff --git a/testsuites/validation/ts-validation-smp-one-cpu-0.c b/testsuites/validation/ts-validation-smp-one-cpu-0.c
new file mode 100644
index 0000000000..88c2370d5c
--- /dev/null
+++ b/testsuites/validation/ts-validation-smp-one-cpu-0.c
@@ -0,0 +1,76 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSTestSuiteTestsuitesValidationSmpOneCpu0
+ */
+
+/*
+ * Copyright (C) 2021 embedded brains GmbH (http://www.embedded-brains.de)
+ *
+ * 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/test.h>
+
+/**
+ * @defgroup RTEMSTestSuiteTestsuitesValidationSmpOneCpu0 \
+ *   spec:/testsuites/validation-smp-one-cpu-0
+ *
+ * @ingroup RTEMSTestSuites
+ *
+ * @brief This general purpose validation test suite provides enough resources
+ *   to run basic tests for all specified managers and functions in a
+ *   configuration with exactly one processor and an uniprocessor scheduler.
+ *
+ * @{
+ */
+
+const char rtems_test_name[] = "ValidationSmpOneCpu0";
+
+#define CONFIGURE_MAXIMUM_PROCESSORS 1
+
+#include "ts-default.h"
+
+/** @} */