| /* |
| * 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) 1998, 1999, 2003 by Ralf Baechle |
| * |
| * FIXME: For some of the supported machines this is dead wrong. |
| */ |
| #ifndef _ASM_TIMEX_H |
| #define _ASM_TIMEX_H |
| |
| #include <asm/mipsregs.h> |
| |
| /* |
| * Standard way to access the cycle counter. |
| * Currently only used on SMP for scheduling. |
| * |
| * Only the low 32 bits are available as a continuously counting entity. |
| * But this only means we'll force a reschedule every 8 seconds or so, |
| * which isn't an evil thing. |
| * |
| * We know that all SMP capable CPUs have cycle counters. |
| */ |
| |
| typedef unsigned int cycles_t; |
| extern cycles_t cacheflush_time; |
| |
| static inline cycles_t get_cycles (void) |
| { |
| return read_c0_count(); |
| } |
| |
| #define vxtime_lock() do {} while (0) |
| #define vxtime_unlock() do {} while (0) |
| |
| #endif /* _ASM_TIMEX_H */ |
