smptests/smpstart01: New test program

Update #4627.

spec/build/testsuites/smptests/grp.yml

@@ -124,6 +124,8 @@ links:
   uid: smpscheduler07
 - role: build-dependency
   uid: smpsignal01
+- role: build-dependency
+  uid: smpstart01
 - role: build-dependency
   uid: smpstrongapa01
 - role: build-dependency

spec/build/testsuites/smptests/smpstart01.yml

@@ -0,0 +1,19 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+build-type: test-program
+cflags: []
+copyrights:
+- Copyright (C) 2022 embedded brains GmbH (http://www.embedded-brains.de)
+cppflags: []
+cxxflags: []
+enabled-by: RTEMS_SMP
+features: c cprogram
+includes: []
+ldflags: []
+links: []
+source:
+- testsuites/smptests/smpstart01/init.c
+stlib: []
+target: testsuites/smptests/smpstart01.exe
+type: build
+use-after: []
+use-before: []

testsuites/smptests/smpstart01/init.c

@@ -0,0 +1,155 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/*
+ * Copyright (C) 2022 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <rtems/score/percpu.h>
+#include <rtems/score/smpimpl.h>
+#include <rtems/score/smpbarrier.h>
+#include <rtems.h>
+#include <rtems/sysinit.h>
+
+#include <tmacros.h>
+
+const char rtems_test_name[] = "SMPSTART 1";
+
+typedef struct {
+  const rtems_tcb *main_tcb;
+  SMP_barrier_Control barrier;
+  Per_CPU_Job job;
+} test_context;
+
+static test_context test_instance;
+
+static void barrier(test_context *ctx)
+{
+  SMP_barrier_State bs;
+
+  _SMP_barrier_State_initialize(&bs);
+  _SMP_barrier_Wait(&ctx->barrier, &bs, 2);
+}
+
+static void prepare_second_cpu(void *arg)
+{
+  test_context *ctx;
+  Per_CPU_Control *cpu_self;
+
+  ctx = arg;
+  cpu_self = _Per_CPU_Get();
+
+  barrier(ctx);
+
+  while (cpu_self->heir != ctx->main_tcb) {
+    RTEMS_COMPILER_MEMORY_BARRIER();
+  }
+}
+
+static const Per_CPU_Job_context job_context = {
+  .handler = prepare_second_cpu,
+  .arg = &test_instance
+};
+
+static void submit_job(void)
+{
+  test_context *ctx;
+
+  ctx = &test_instance;
+  _SMP_barrier_Control_initialize(&ctx->barrier);
+  ctx->job.context = &job_context;
+
+  _Per_CPU_Submit_job(_Per_CPU_Get_by_index(1), &ctx->job);
+}
+
+RTEMS_SYSINIT_ITEM(
+  submit_job,
+  RTEMS_SYSINIT_LAST,
+  RTEMS_SYSINIT_ORDER_MIDDLE
+);
+
+static void test(void)
+{
+  test_context *ctx;
+  rtems_status_code sc;
+  rtems_id id;
+
+  ctx = &test_instance;
+  ctx->main_tcb = _Thread_Get_executing();
+
+  barrier(ctx);
+
+  sc = rtems_scheduler_ident_by_processor(1, &id);
+  rtems_test_assert(sc == RTEMS_SUCCESSFUL);
+
+  sc = rtems_task_set_scheduler(RTEMS_SELF, id, 1);
+  rtems_test_assert(sc == RTEMS_SUCCESSFUL);
+
+  rtems_test_assert(rtems_scheduler_get_processor() == 1);
+  rtems_test_assert(_ISR_Get_level() == 0);
+}
+
+static void Init(rtems_task_argument arg)
+{
+  TEST_BEGIN();
+
+  test();
+
+  TEST_END();
+  rtems_test_exit(0);
+}
+
+#define CONFIGURE_APPLICATION_DOES_NOT_NEED_CLOCK_DRIVER
+#define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
+
+#define CONFIGURE_MAXIMUM_PROCESSORS 2
+
+#define CONFIGURE_SCHEDULER_EDF_SMP
+
+#include <rtems/scheduler.h>
+
+RTEMS_SCHEDULER_EDF_SMP(a);
+
+RTEMS_SCHEDULER_EDF_SMP(b);
+
+#define CONFIGURE_SCHEDULER_TABLE_ENTRIES \
+  RTEMS_SCHEDULER_TABLE_EDF_SMP(a, rtems_build_name('A', ' ', ' ', ' ')), \
+  RTEMS_SCHEDULER_TABLE_EDF_SMP(b, rtems_build_name('B', ' ', ' ', ' '))
+
+#define CONFIGURE_SCHEDULER_ASSIGNMENTS \
+  RTEMS_SCHEDULER_ASSIGN(0, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_MANDATORY), \
+  RTEMS_SCHEDULER_ASSIGN(1, RTEMS_SCHEDULER_ASSIGN_PROCESSOR_MANDATORY)
+
+#define CONFIGURE_MAXIMUM_TASKS 1
+
+#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
+
+#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
+
+#define CONFIGURE_INIT
+
+#include <rtems/confdefs.h>

testsuites/smptests/smpstart01/smpstart01.doc

@@ -0,0 +1,12 @@
+This file describes the directives and concepts tested by this test set.
+
+test set name: smpstart01
+
+directives:
+
+  - _Thread_Start_multitasking()
+
+concepts:
+
+  - Ensure that the multitasking start works in case the first context switch
+    has an heir thread which already executes the thread body.