2002-08-21 Joel Sherrill <joel@OARcorp.com>

	* configure.ac, shared/misc/Makefile.am: PR217 required that the
	idle task be moved to libcpu so it could be more acutely aware of
	the CPU model.  This file was modified to pick up the idle task
	from there.
	* shared/misc/m68kidle.c: New file.

2 files changed, 51 insertions, 4 deletions

diff --git a/c/src/lib/libcpu/m68k/shared/misc/Makefile.am b/c/src/lib/libcpu/m68k/shared/misc/Makefile.am
index 76db07349a..c11507e5fa 100644
--- a/c/src/lib/libcpu/m68k/shared/misc/Makefile.am
+++ b/c/src/lib/libcpu/m68k/shared/misc/Makefile.am
@@ -3,7 +3,7 @@
 ##
 
 
-C_FILES = memcpy.c
+C_FILES = memcpy.c m68kidle.c
 C_O_FILES = $(C_FILES:%.c=$(ARCH)/%.$(OBJEXT))
 
 OBJS = $(C_O_FILES)
@@ -14,13 +14,17 @@ include $(top_srcdir)/../../../../../automake/lib.am
 
 # gcc doesn't recognize difference between the cpu32 and cpu32+ so we have to
 if mcpu32p
-MCPU32P_CPPFLAGS = -D__mcpu32p__
+M68K_CPPFLAGS = -D__mcpu32p__
 endif
 
-AM_CPPFLAGS += $(MCPU32P_CPPFLAGS)
+if mcf5272
+M68K_CPPFLAGS = -Dmcf5272
+endif
+
+AM_CPPFLAGS += $(M68K_CPPFLAGS)
 
 all-local: $(ARCH) $(OBJS)
 
-EXTRA_DIST = memcpy.c
+EXTRA_DIST = memcpy.c m68kidle.c
 
 include $(top_srcdir)/../../../../../automake/local.am
diff --git a/c/src/lib/libcpu/m68k/shared/misc/m68kidle.c b/c/src/lib/libcpu/m68k/shared/misc/m68kidle.c
new file mode 100644
index 0000000000..16aaf504bb
--- /dev/null
+++ b/c/src/lib/libcpu/m68k/shared/misc/m68kidle.c
@@ -0,0 +1,43 @@
+/*
+ *  Motorola MC68xxx Dependent Idle Body Source
+ *
+ *  COPYRIGHT (c) 1989-2002.
+ *  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.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+#include <rtems/system.h>
+#include <rtems/score/thread.h>
+
+
+/*PAGE
+ *
+ *  _Thread_Idle_body
+ *
+ *  This kernel routine is the idle thread.  The idle thread runs any time
+ *  no other thread is ready to run.  This thread loops forever with
+ *  interrupts enabled.
+ *
+ *  Input parameters:
+ *    ignored - this parameter is ignored
+ *
+ *  Output parameters:  NONE
+ */
+ 
+void _CPU_Thread_Idle_body( void )
+{
+#if defined(mcf5272)
+  for( ; ; ) {
+    asm volatile( "nop" );
+    asm volatile( "nop" );
+  }
+#else
+  for( ; ; )
+    asm volatile( "stop #0x3000" );  /* supervisor mode, all interrupts on */
+#endif
+}