1 files changed, 96 insertions, 0 deletions
diff --git a/bsps/shared/irq/irq-handler-iterate.c b/bsps/shared/irq/irq-handler-iterate.c
new file mode 100644
index 0000000000..8adbdb4679
--- /dev/null
+++ b/bsps/shared/irq/irq-handler-iterate.c
@@ -0,0 +1,96 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup bsp_interrupt
+ *
+ * @brief This source file contains the implementation of
+ *   rtems_interrupt_handler_iterate().
+ */
+
+/*
+ * Copyright (C) 2017 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.
+ */
+
+#include <bsp/irq-generic.h>
+
+/**
+ * @brief Iterates over all installed interrupt handler of a vector.
+ *
+ * @ingroup bsp_interrupt
+ *
+ * @return In addition to the standard status codes this function returns
+ * RTEMS_INTERNAL_ERROR if the BSP interrupt support is not initialized.
+ *
+ * @see rtems_interrupt_handler_iterate().
+ */
+static rtems_status_code bsp_interrupt_handler_iterate(
+  rtems_vector_number vector,
+  rtems_interrupt_per_handler_routine routine,
+  void *arg
+)
+{
+  bsp_interrupt_handler_entry *current = NULL;
+  rtems_option options = 0;
+  rtems_vector_number index = 0;
+
+  /* Check parameters and system state */
+  if (!bsp_interrupt_is_initialized()) {
+    return RTEMS_INTERNAL_ERROR;
+  } else if (!bsp_interrupt_is_valid_vector(vector)) {
+    return RTEMS_INVALID_ID;
+  } else if (rtems_interrupt_is_in_progress()) {
+    return RTEMS_CALLED_FROM_ISR;
+  }
+
+  /* Lock */
+  bsp_interrupt_lock();
+
+  /* Interate */
+  index = bsp_interrupt_handler_index(vector);
+  current = &bsp_interrupt_handler_table [index];
+  if (!bsp_interrupt_is_empty_handler_entry(current)) {
+    do {
+      options = bsp_interrupt_is_handler_unique(index) ?
+        RTEMS_INTERRUPT_UNIQUE : RTEMS_INTERRUPT_SHARED;
+      routine(arg, current->info, options, current->handler, current->arg);
+      current = current->next;
+    } while (current != NULL);
+  }
+
+  /* Unlock */
+  bsp_interrupt_unlock();
+
+  return RTEMS_SUCCESSFUL;
+}
+
+rtems_status_code rtems_interrupt_handler_iterate(
+  rtems_vector_number vector,
+  rtems_interrupt_per_handler_routine routine,
+  void *arg
+)
+{
+  return bsp_interrupt_handler_iterate(vector, routine, arg);
+}