score: Add _SMP_Unicast_action()

1 files changed, 51 insertions, 0 deletions

diff --git a/cpukit/score/src/smpunicastaction.c b/cpukit/score/src/smpunicastaction.c
new file mode 100644
index 0000000000..1b170cabd2
--- /dev/null
+++ b/cpukit/score/src/smpunicastaction.c
@@ -0,0 +1,51 @@
+/*
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <rtems/score/smpimpl.h>
+
+void _SMP_Unicast_action(
+  uint32_t            cpu_index,
+  SMP_Action_handler  handler,
+  void               *arg
+)
+{
+  Per_CPU_Control     *cpu;
+  Per_CPU_Job_context  context;
+  Per_CPU_Job          job;
+
+  context.handler = handler;
+  context.arg = arg;
+  job.context = &context;
+  cpu = _Per_CPU_Get_by_index( cpu_index );
+  _Per_CPU_Add_job( cpu, &job );
+  _SMP_Send_message( cpu_index, SMP_MESSAGE_PERFORM_JOBS );
+  _Per_CPU_Wait_for_job( cpu, &job );
+}