|  | /* | 
|  | * 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 */ |