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authorSebastian Huber <sebastian.huber@embedded-brains.de>2019-04-09 10:58:35 +0200
committerSebastian Huber <sebastian.huber@embedded-brains.de>2019-04-12 09:44:48 +0200
commitdf8d7bd76f5014583d6cc20f72f335e5fe2bd0cc (patch)
tree3d029b3875e7a9bfadd04f00d16557da14c151f1 /testsuites/smptests/smpmulticast01/init.c
parente97b7c9a7af2f4e19a8bdeaf13033617f8c4c2b6 (diff)
downloadrtems-df8d7bd76f5014583d6cc20f72f335e5fe2bd0cc.tar.bz2
score: Use processor mask in _SMP_Multicast_action
Processor_mask is the internal data type to deal with processor sets.
Diffstat (limited to '')
-rw-r--r--testsuites/smptests/smpmulticast01/init.c288
1 files changed, 288 insertions, 0 deletions
diff --git a/testsuites/smptests/smpmulticast01/init.c b/testsuites/smptests/smpmulticast01/init.c
new file mode 100644
index 0000000000..2319582ab6
--- /dev/null
+++ b/testsuites/smptests/smpmulticast01/init.c
@@ -0,0 +1,288 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (C) 2019 embedded brains GmbH
+ *
+ * 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.
+ */
+
+#include <rtems/score/smpimpl.h>
+#include <rtems/score/atomic.h>
+#include <rtems/score/threaddispatch.h>
+#include <rtems/sysinit.h>
+#include <rtems.h>
+
+#include <string.h>
+
+#include <t.h>
+#include <tmacros.h>
+
+#define CPU_COUNT 32
+
+const char rtems_test_name[] = "SMPMULTICAST 1";
+
+static const T_config config = {
+ .name = "SMPMultiCast",
+ .putchar = T_putchar_default,
+ .verbosity = T_VERBOSE,
+ .now = T_now
+};
+
+typedef struct {
+ Atomic_Uint id[CPU_COUNT];
+} test_context;
+
+static test_context test_instance;
+
+static void multicast_action_irq_disabled(
+ const Processor_mask *targets,
+ SMP_Action_handler handler,
+ void *arg
+)
+{
+ rtems_interrupt_level level;
+
+ rtems_interrupt_local_disable(level);
+ _SMP_Multicast_action(targets, handler, arg);
+ rtems_interrupt_local_enable(level);
+}
+
+static void multicast_action_dispatch_disabled(
+ const Processor_mask *targets,
+ SMP_Action_handler handler,
+ void *arg
+)
+{
+ Per_CPU_Control *cpu_self;
+
+ cpu_self = _Thread_Dispatch_disable();
+ _SMP_Multicast_action(targets, handler, arg);
+ _Thread_Dispatch_enable(cpu_self);
+}
+
+static void action(void *arg)
+{
+ test_context *ctx;
+ uint32_t self;
+ unsigned expected;
+ bool success;
+
+ ctx = arg;
+ self = rtems_scheduler_get_processor();
+ expected = 0;
+ success = _Atomic_Compare_exchange_uint(
+ &ctx->id[self],
+ &expected,
+ self + 1,
+ ATOMIC_ORDER_RELAXED,
+ ATOMIC_ORDER_RELAXED
+ );
+ T_quiet_true(success, "set CPU identifier failed");
+}
+
+static void test_unicast(
+ test_context *ctx,
+ void (*multicast_action)(const Processor_mask *, SMP_Action_handler, void *),
+ bool before_multitasking
+)
+{
+ uint32_t step;
+ uint32_t i;
+ uint32_t n;
+ uint32_t self;
+
+ T_plan(1);
+ step = 0;
+ self = rtems_scheduler_get_processor();
+ n = rtems_scheduler_get_processor_maximum();
+
+ for (i = 0; i < n; ++i) {
+ Processor_mask cpus;
+ uint32_t j;
+
+ memset(ctx, 0, sizeof(*ctx));
+
+ _Processor_mask_Zero(&cpus);
+ _Processor_mask_Set(&cpus, i);
+ (*multicast_action)(&cpus, action, ctx);
+
+ for (j = 0; j < n; ++j) {
+ unsigned id;
+
+ ++step;
+ id = _Atomic_Load_uint(&ctx->id[j], ATOMIC_ORDER_RELAXED);
+
+ if (before_multitasking) {
+ if (j == self) {
+ T_quiet_eq_uint(j + 1, id);
+ } else {
+ T_quiet_eq_uint(0, id);
+ }
+ } else {
+ if (j == i) {
+ T_quiet_eq_uint(j + 1, id);
+ } else {
+ T_quiet_eq_uint(0, id);
+ }
+ }
+ }
+ }
+
+ T_step_eq_u32(0, step, n * n);
+}
+
+static void test_broadcast(
+ test_context *ctx,
+ void (*multicast_action)(const Processor_mask *, SMP_Action_handler, void *),
+ bool before_multitasking
+)
+{
+ uint32_t step;
+ uint32_t i;
+ uint32_t n;
+ uint32_t self;
+
+ T_plan(1);
+ step = 0;
+ self = rtems_scheduler_get_processor();
+ n = rtems_scheduler_get_processor_maximum();
+
+ for (i = 0; i < n; ++i) {
+ uint32_t j;
+
+ memset(ctx, 0, sizeof(*ctx));
+
+ (*multicast_action)(NULL, action, ctx);
+
+ for (j = 0; j < n; ++j) {
+ unsigned id;
+
+ ++step;
+ id = _Atomic_Load_uint(&ctx->id[j], ATOMIC_ORDER_RELAXED);
+
+ if (before_multitasking) {
+ if (j == self) {
+ T_quiet_eq_uint(j + 1, id);
+ } else {
+ T_quiet_eq_uint(0, id);
+ }
+ } else {
+ T_quiet_eq_uint(j + 1, id);
+ }
+ }
+ }
+
+ T_step_eq_u32(0, step, n * n);
+}
+
+static void test_before_multitasking(void)
+{
+ test_context *ctx;
+
+ ctx = &test_instance;
+
+ T_case_begin("UnicastBeforeMultitasking", NULL);
+ test_unicast(ctx, _SMP_Multicast_action, true);
+ T_case_end();
+
+ T_case_begin("UnicastBeforeMultitaskingIRQDisabled", NULL);
+ test_unicast(ctx, multicast_action_irq_disabled, true);
+ T_case_end();
+
+ T_case_begin("UnicastBeforeMultitaskingDispatchDisabled", NULL);
+ test_unicast(ctx, multicast_action_dispatch_disabled, true);
+ T_case_end();
+
+ T_case_begin("BroadcastBeforeMultitasking", NULL);
+ test_broadcast(ctx, _SMP_Multicast_action, true);
+ T_case_end();
+
+ T_case_begin("BroadcastBeforeMultitaskingIRQDisabled", NULL);
+ test_broadcast(ctx, multicast_action_irq_disabled, true);
+ T_case_end();
+
+ T_case_begin("BroadcastBeforeMultitaskingDispatchDisabled", NULL);
+ test_broadcast(ctx, multicast_action_dispatch_disabled, true);
+ T_case_end();
+}
+
+static void after_drivers(void)
+{
+ TEST_BEGIN();
+ T_run_initialize(&config);
+ test_before_multitasking();
+}
+
+RTEMS_SYSINIT_ITEM(
+ after_drivers,
+ RTEMS_SYSINIT_DEVICE_DRIVERS,
+ RTEMS_SYSINIT_ORDER_LAST
+);
+
+static void Init(rtems_task_argument arg)
+{
+ test_context *ctx;
+ bool ok;
+
+ ctx = &test_instance;
+
+ T_case_begin("UnicastDuringMultitasking", NULL);
+ test_unicast(ctx, _SMP_Multicast_action, false);
+ T_case_end();
+
+ T_case_begin("UnicastDuringMultitaskingIRQDisabled", NULL);
+ test_unicast(ctx, multicast_action_irq_disabled, false);
+ T_case_end();
+
+ T_case_begin("UnicastDuringMultitaskingDispatchDisabled", NULL);
+ test_unicast(ctx, multicast_action_dispatch_disabled, false);
+ T_case_end();
+
+ T_case_begin("BroadcastDuringMultitasking", NULL);
+ test_broadcast(ctx, _SMP_Multicast_action, false);
+ T_case_end();
+
+ T_case_begin("BroadcastDuringMultitaskingIRQDisabled", NULL);
+ test_broadcast(ctx, multicast_action_irq_disabled, false);
+ T_case_end();
+
+ T_case_begin("BroadcastDuringMultitaskingDispatchDisabled", NULL);
+ test_broadcast(ctx, multicast_action_dispatch_disabled, false);
+ T_case_end();
+
+ ok = T_run_finalize();
+ rtems_test_assert(ok);
+ TEST_END();
+ rtems_test_exit(0);
+}
+
+#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
+
+#define CONFIGURE_MAXIMUM_TASKS 1
+
+#define CONFIGURE_MAXIMUM_PROCESSORS CPU_COUNT
+
+#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
+
+#define CONFIGURE_INIT
+
+#include <rtems/confdefs.h>