| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * This file is subject to the terms and conditions of the GNU General Public |
| 3 | * License. See the file "COPYING" in the main directory of this archive |
| 4 | * for more details. |
| 5 | * |
| 6 | * Copyright (C) 2000-2004 Silicon Graphics, Inc. All rights reserved. |
| 7 | */ |
| 8 | |
| 9 | /* |
| 10 | * This file contains definitions for accessing a platform supported high resolution |
| 11 | * clock. The clock is monitonically increasing and can be accessed from any node |
| 12 | * in the system. The clock is synchronized across nodes - all nodes see the |
| 13 | * same value. |
| 14 | * |
| 15 | * RTC_COUNTER_ADDR - contains the address of the counter |
| 16 | * |
| 17 | */ |
| 18 | |
| 19 | #ifndef _ASM_IA64_SN_CLKSUPPORT_H |
| 20 | #define _ASM_IA64_SN_CLKSUPPORT_H |
| 21 | |
| 22 | extern unsigned long sn_rtc_cycles_per_second; |
| 23 | |
| 24 | #define RTC_COUNTER_ADDR ((long *)LOCAL_MMR_ADDR(SH_RTC)) |
| 25 | |
| 26 | #define rtc_time() (*RTC_COUNTER_ADDR) |
| 27 | |
| 28 | #endif /* _ASM_IA64_SN_CLKSUPPORT_H */ |