/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 2000-2004 Silicon Graphics, Inc. All rights reserved. */ /* * This file contains definitions for accessing a platform supported high resolution * clock. The clock is monitonically increasing and can be accessed from any node * in the system. The clock is synchronized across nodes - all nodes see the * same value. * * RTC_COUNTER_ADDR - contains the address of the counter * */ #ifndef _ASM_IA64_SN_CLKSUPPORT_H #define _ASM_IA64_SN_CLKSUPPORT_H extern unsigned long sn_rtc_cycles_per_second; #define RTC_COUNTER_ADDR ((long *)LOCAL_MMR_ADDR(SH_RTC)) #define rtc_time() (*RTC_COUNTER_ADDR) #endif /* _ASM_IA64_SN_CLKSUPPORT_H */