You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
29 lines
844 B
29 lines
844 B
20 years ago
|
/*
|
||
|
|
* 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 */
|