blob: d340c365a824cbec5e3c056b11024c4bea3cda32 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
/*
* 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 */
|
