00001 /* 00002 * Copyright (C) 2001,2002,2003,2004,2005 Philippe Gerum <rpm@xenomai.org>. 00003 * 00004 * RTAI/fusion is free software; you can redistribute it and/or modify it 00005 * under the terms of the GNU General Public License as published by 00006 * the Free Software Foundation; either version 2 of the License, or 00007 * (at your option) any later version. 00008 * 00009 * RTAI/fusion is distributed in the hope that it will be useful, but 00010 * WITHOUT ANY WARRANTY; without even the implied warranty of 00011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00012 * General Public License for more details. 00013 * 00014 * You should have received a copy of the GNU General Public License 00015 * along with RTAI/fusion; if not, write to the Free Software 00016 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 00017 * 02111-1307, USA. 00018 */ 00019 00020 #ifndef _RTAI_ASM_PPC_CALIBRATION_H 00021 #define _RTAI_ASM_PPC_CALIBRATION_H 00022 00023 #include <rtai_config.h> 00024 #include <asm/delay.h> 00025 00026 #define __bogomips (loops_per_jiffy/(500000/HZ)) 00027 00028 static inline unsigned long xnarch_get_sched_latency (void) 00029 00030 { 00031 #if CONFIG_RTAI_HW_SCHED_LATENCY != 0 00032 #define __sched_latency CONFIG_RTAI_HW_SCHED_LATENCY 00033 #else 00034 00035 #define __sched_latency 15500 00036 00037 #endif /* CONFIG_RTAI_HW_SCHED_LATENCY */ 00038 00039 return __sched_latency; 00040 } 00041 00042 #undef __sched_latency 00043 #undef __bogomips 00044 00045 #endif /* !_RTAI_ASM_PPC_CALIBRATION_H */