2010-06-28 Joel Sherrill <joel.sherrill@oarcorp.com>

	PR 1573/cpukit
	* configure.ac, posix/src/killinfo.c,
	posix/src/psignalclearprocesssignals.c,
	posix/src/psignalsetprocesssignals.c,
	posix/src/psignalunblockthread.c, posix/src/pthreadcreate.c,
	posix/src/pthreadkill.c, posix/src/pthreadsigmask.c,
	rtems/src/signalsend.c, rtems/src/taskmode.c, score/Makefile.am,
	score/preinstall.am, score/include/rtems/system.h,
	score/include/rtems/score/context.h, score/include/rtems/score/isr.h,
	score/include/rtems/score/thread.h, score/src/isr.c,
	score/src/isrthreaddispatch.c, score/src/thread.c,
	score/src/threaddispatch.c, score/src/threadloadenv.c: Add a per cpu
	data structure which contains the information required by RTEMS for
	each CPU core. This encapsulates information such as thread
	executing, heir, idle and dispatch needed.
	* score/include/rtems/score/percpu.h, score/src/percpu.c: New files.

1 files changed, 29 insertions, 0 deletions

diff --git a/cpukit/score/src/percpu.c b/cpukit/score/src/percpu.c
new file mode 100644
index 0000000000..4c719af6db
--- /dev/null
+++ b/cpukit/score/src/percpu.c
@@ -0,0 +1,29 @@
+/*
+ *  COPYRIGHT (c) 1989-2010.
+ *  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.
+ *
+ *  $Id$
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <rtems/system.h>
+#include <rtems/score/thread.h>
+#include <rtems/score/percpu.h>
+#include <rtems/score/wkspace.h>
+#include <rtems/score/wkspace.h>
+#include <rtems/config.h>
+#include <string.h>
+
+/*
+ * On single core systems, we can efficiently directly access a single
+ * statically allocated per cpu structure.  And the fields are initialized
+ * as individual elements just like it has always been done.
+ */
+Per_CPU_Control _Per_CPU_Information;