tests: atomic support for RTEMS. SMP tests for atomic operations.

6 files changed, 275 insertions, 0 deletions

diff --git a/testsuites/smptests/smpatomic01/Makefile.am b/testsuites/smptests/smpatomic01/Makefile.am
new file mode 100644
index 0000000000..c7af886f73
--- /dev/null
+++ b/testsuites/smptests/smpatomic01/Makefile.am
@@ -0,0 +1,22 @@
+
+rtems_tests_PROGRAMS = smpatomic01
+smpatomic01_SOURCES = init.c tasks.c system.h ../../support/src/locked_print.c
+
+dist_rtems_tests_DATA = smpatomic01.scn
+dist_rtems_tests_DATA += smpatomic01.doc
+
+include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
+include $(top_srcdir)/../automake/compile.am
+include $(top_srcdir)/../automake/leaf.am
+
+
+AM_CPPFLAGS += -I$(top_srcdir)/../support/include
+
+LINK_OBJS = $(smpatomic01_OBJECTS)
+LINK_LIBS = $(smpatomic01_LDLIBS)
+
+smpatomic01$(EXEEXT): $(smpatomic01_OBJECTS) $(smpatomic01_DEPENDENCIES)
+	@rm -f smpatomic01$(EXEEXT)
+	$(make-exe)
+
+include $(top_srcdir)/../automake/local.am
diff --git a/testsuites/smptests/smpatomic01/init.c b/testsuites/smptests/smpatomic01/init.c
new file mode 100644
index 0000000000..7d7086066f
--- /dev/null
+++ b/testsuites/smptests/smpatomic01/init.c
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2012 Deng Hengyi.
+ *
+ *  This test case is to test atomic load operation.
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ *
+ */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#define CONFIGURE_INIT
+#include "system.h"
+
+rtems_task Init(
+  rtems_task_argument argument
+)
+{
+  int                i;
+  char               ch;
+  rtems_id           id;
+  rtems_status_code  status;
+  bool               allDone;
+
+  /* XXX - Delay a bit to allow debug messages from
+   * startup to print.  This may need to go away when
+   * debug messages go away.
+   */
+  locked_print_initialize();
+
+  /* Put start of test message */
+  locked_printf( "\n\n***  SMPatomic01 TEST ***\n" );
+
+  /* Initialize the TaskRan array */
+  for ( i=0; i<rtems_smp_get_number_of_processors() ; i++ ) {
+    TaskRan[i] = false;
+  }
+
+  /* Create and start tasks for each processor */
+  for ( i=1; i< rtems_smp_get_number_of_processors() ; i++ ) {
+    ch = '0' + i;
+
+    status = rtems_task_create(
+      rtems_build_name( 'T', 'A', ch, ' ' ),
+      1,
+      RTEMS_MINIMUM_STACK_SIZE,
+      RTEMS_DEFAULT_MODES,
+      RTEMS_DEFAULT_ATTRIBUTES,
+      &id
+    );
+    directive_failed( status, "task create" );
+
+    status = rtems_task_start( id, Test_task, i+1 );
+    directive_failed( status, "task start" );
+  }
+
+  /* Wait on the all tasks to run */
+  while (1) {
+    allDone = true;
+    for ( i=1; i<rtems_smp_get_number_of_processors() ; i++ ) {
+      if (TaskRan[i] == false)
+        allDone = false;
+    }
+    if (allDone) {
+      locked_printf( "\n\n*** END OF TEST SMPatomic01 ***\n" );
+      rtems_test_exit( 0 );
+    }
+  }
+}
diff --git a/testsuites/smptests/smpatomic01/smpatomic01.doc b/testsuites/smptests/smpatomic01/smpatomic01.doc
new file mode 100644
index 0000000000..3d83245515
--- /dev/null
+++ b/testsuites/smptests/smpatomic01/smpatomic01.doc
@@ -0,0 +1,23 @@
+#  COPYRIGHT (c) 1989-2012.
+#  On-Line Applications Research Corporation (OAR).
+#
+#  The license and distribution terms for this file may be
+#  found in the file LICENSE in this distribution or at
+#  http://www.rtems.com/license/LICENSE.
+#
+
+This file describes the directives and concepts tested by this test set.
+
+test set name:  smpatomic01
+
+directives:
+
+  _Atomic_Load_int
+  _Atomic_Load_long
+  _Atomic_Load_ptr
+  _Atomic_Load_32
+  _Atomic_Load_64
+
+concepts:
+
++ Ensure that the atomic load operations listed above behave as defined.
diff --git a/testsuites/smptests/smpatomic01/smpatomic01.scn b/testsuites/smptests/smpatomic01/smpatomic01.scn
new file mode 100644
index 0000000000..dba0d5c096
--- /dev/null
+++ b/testsuites/smptests/smpatomic01/smpatomic01.scn
@@ -0,0 +1,28 @@
+***  SMPatomic01 TEST ***
+
+CPU1 _Atomic_Load_int: SUCCESS
+
+CPU2 _Atomic_Load_int: SUCCESS
+
+CPU3 _Atomic_Load_int: SUCCESS
+
+CPU1 _Atomic_Load_long: SUCCESS
+
+CPU2 _Atomic_Load_long: SUCCESS
+
+CPU3 _Atomic_Load_long: SUCCESS
+
+CPU1 _Atomic_Load_ptr: SUCCESS
+
+CPU3 _Atomic_Load_ptr: SUCCESS
+
+CPU2 _Atomic_Load_ptr: SUCCESS
+
+CPU1 _Atomic_Load_32: SUCCESS
+
+CPU2 _Atomic_Load_32: SUCCESS
+
+CPU3 _Atomic_Load_32: SUCCESS
+
+
+*** END OF TEST SMPatomic01 ***
diff --git a/testsuites/smptests/smpatomic01/system.h b/testsuites/smptests/smpatomic01/system.h
new file mode 100644
index 0000000000..da314a2aa6
--- /dev/null
+++ b/testsuites/smptests/smpatomic01/system.h
@@ -0,0 +1,50 @@
+/*
+ *  COPYRIGHT (c) 1989-2011.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ */
+
+#include "tmacros.h"
+#include "test_support.h"
+
+/* functions */
+
+rtems_task Init(
+  rtems_task_argument argument
+);
+
+rtems_task Test_task(
+  rtems_task_argument argument
+);
+
+/* configuration information */
+
+#define CONFIGURE_APPLICATION_DOES_NOT_NEED_CLOCK_DRIVER
+#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
+
+#define CONFIGURE_SMP_APPLICATION
+#define CONFIGURE_SMP_MAXIMUM_PROCESSORS   4 
+
+#define CONFIGURE_MAXIMUM_TASKS            \
+    (1 + CONFIGURE_SMP_MAXIMUM_PROCESSORS)
+
+#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
+
+#include <rtems/confdefs.h>
+
+/* global variables */
+
+/*
+ *  Keep the names and IDs in global variables so another task can use them.
+ */
+
+TEST_EXTERN volatile bool TaskRan[ CONFIGURE_SMP_MAXIMUM_PROCESSORS ];
+
+/*
+ *  Handy macros and static inline functions
+ */
+
+/* end of include file */
diff --git a/testsuites/smptests/smpatomic01/tasks.c b/testsuites/smptests/smpatomic01/tasks.c
new file mode 100644
index 0000000000..36bb431dca
--- /dev/null
+++ b/testsuites/smptests/smpatomic01/tasks.c
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2012 Deng Hengyi.
+ *
+ *  This test case is to test atomic load operation.
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "system.h"
+
+#include <stdlib.h>
+#include <rtems/rtems/atomic.h>
+
+#define TEST_REPEAT 200000
+
+#define ATOMIC_LOAD_NO_BARRIER(NAME, TYPE, cpuid, mem_bar)     \
+{                                                        \
+  Atomic_##TYPE t = (Atomic_##TYPE)-1, a = 0;            \
+  unsigned int i;                                        \
+  a = _Atomic_Load_##NAME(&t, mem_bar);                  \
+  rtems_test_assert(a == t);                             \
+  for (i = 0; i < TEST_REPEAT; i++){                     \
+    t = (Atomic_##TYPE)rand();                           \
+    a = _Atomic_Load_##NAME(&t, mem_bar);                \
+    rtems_test_assert(a == t);                           \
+  }                                                      \
+  locked_printf("\nCPU%d _Atomic_Load_" #NAME ": SUCCESS\n", cpuid); \
+}
+
+rtems_task Test_task(
+    rtems_task_argument argument
+    )
+{
+  int               cpu_num;
+  char              name[5];
+  char             *p;
+
+  /* Get the task name */
+  p = rtems_object_get_name( RTEMS_SELF, 5, name );
+  rtems_test_assert( p != NULL );
+
+   /* Get the CPU Number */
+  cpu_num = bsp_smp_processor_id();
+
+  /* Print that the task is up and running. */
+  /* test relaxed barrier */
+  ATOMIC_LOAD_NO_BARRIER(int, Int, cpu_num, ATOMIC_RELAXED_BARRIER);
+
+  ATOMIC_LOAD_NO_BARRIER(long, Long, cpu_num, ATOMIC_RELAXED_BARRIER);
+
+  ATOMIC_LOAD_NO_BARRIER(ptr, Pointer, cpu_num, ATOMIC_RELAXED_BARRIER);
+
+  ATOMIC_LOAD_NO_BARRIER(32, Int32, cpu_num, ATOMIC_RELAXED_BARRIER);
+
+  /* test acquire barrier */
+  ATOMIC_LOAD_NO_BARRIER(int, Int, cpu_num, ATOMIC_ACQUIRE_BARRIER);
+
+  ATOMIC_LOAD_NO_BARRIER(long, Long, cpu_num, ATOMIC_ACQUIRE_BARRIER);
+
+  ATOMIC_LOAD_NO_BARRIER(ptr, Pointer, cpu_num, ATOMIC_ACQUIRE_BARRIER);
+
+  ATOMIC_LOAD_NO_BARRIER(32, Int32, cpu_num, ATOMIC_ACQUIRE_BARRIER);
+
+//  ATOMIC_LOAD_NO_BARRIER(64, cpu_num);
+
+  /* Set the flag that the task is up and running */
+  TaskRan[cpu_num] = true;
+
+  /* Drop into a loop which will keep this task on
+   * running on the cpu.
+   */
+  while(1);
+}