diff options
Diffstat (limited to 'c/src/lib/libcpu/m68k/shared/misc/m68kidle.c')
-rw-r--r-- | c/src/lib/libcpu/m68k/shared/misc/m68kidle.c | 43 |
1 files changed, 43 insertions, 0 deletions
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 +} |