Changeset 145becf in rtems for cpukit/score/include/rtems/score/smpimpl.h

Timestamp:

05/02/14 13:33:23 (9 years ago)

Author:

Sebastian Huber <sebastian.huber@…>

Branches:

4.11, 5, master

Children:

4d906bda

Parents:

e239760

git-author:

Sebastian Huber <sebastian.huber@…> (05/02/14 13:33:23)

git-committer:

Sebastian Huber <sebastian.huber@…> (05/05/14 06:26:27)

Message:

score: Add SMP test message handler

This handler can be used to test the inter-processor interrupt
implementation.

File:

• cpukit/score/include/rtems/score/smpimpl.h (modified) (3 diffs)

cpukit/score/include/rtems/score/smpimpl.h

@@ -43 +43 @@
  */
 #define SMP_MESSAGE_SHUTDOWN UINT32_C(0x1)
+
+/**
+ * @brief SMP message to request a test handler invocation.
+ *
+ * @see _SMP_Send_message().
+ */
+#define SMP_MESSAGE_TEST UINT32_C(0x2)
 
 /**
@@ -102 +109 @@
   RTEMS_COMPILER_NO_RETURN_ATTRIBUTE;
 
+typedef void ( *SMP_Test_message_handler )( Per_CPU_Control *cpu_self );
+
+extern SMP_Test_message_handler _SMP_Test_message_handler;
+
+/**
+ * @brief Sets the handler for test messages.
+ *
+ * This handler can be used to test the inter-processor interrupt
+ * implementation.
+ */
+static inline void _SMP_Set_test_message_handler(
+  SMP_Test_message_handler handler
+)
+{
+  _SMP_Test_message_handler = handler;
+}
+
 /**
  * @brief Interrupt handler for inter-processor interrupts.
@@ -122 +146 @@
       /* does not continue past here */
     }
+
+    if ( ( message & SMP_MESSAGE_TEST ) != 0 ) {
+      ( *_SMP_Test_message_handler )( cpu_self );
+    }
   }
 }