projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
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) 1998, 1999, 2003 by Ralf Baechle | |
| 7 | */ | |
| 8 | #ifndef _ASM_TIMEX_H | |
| 9 | #define _ASM_TIMEX_H | |
| 10 | ||
| 8f9a2b32 AN |
11 | #ifdef __KERNEL__ |
| 12 | ||
| 1da177e4 LT |
13 | #include <asm/mipsregs.h> |
| 14 | ||
| 15 | /* | |
| 72fc19ff RB |
16 | * This is the clock rate of the i8253 PIT. A MIPS system may not have |
| 17 | * a PIT by the symbol is used all over the kernel including some APIs. | |
| 18 | * So keeping it defined to the number for the PIT is the only sane thing | |
| 19 | * for now. | |
| 1da177e4 | 20 | */ |
| 72fc19ff | 21 | #define CLOCK_TICK_RATE 1193182 |
| 1da177e4 LT |
22 | |
| 23 | /* | |
| 24 | * Standard way to access the cycle counter. | |
| 25 | * Currently only used on SMP for scheduling. | |
| 26 | * | |
| 27 | * Only the low 32 bits are available as a continuously counting entity. | |
| 28 | * But this only means we'll force a reschedule every 8 seconds or so, | |
| 29 | * which isn't an evil thing. | |
| 30 | * | |
| 31 | * We know that all SMP capable CPUs have cycle counters. | |
| 32 | */ | |
| 33 | ||
| 34 | typedef unsigned int cycles_t; | |
| 35 | ||
| 49a89efb | 36 | static inline cycles_t get_cycles(void) |
| 1da177e4 | 37 | { |
| efb9ca08 | 38 | return 0; |
| 1da177e4 LT |
39 | } |
| 40 | ||
| 8f9a2b32 AN |
41 | #endif /* __KERNEL__ */ |
| 42 | ||
| 1da177e4 | 43 | #endif /* _ASM_TIMEX_H */ |