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Diffstat (limited to 'arch/mips/include/asm/timex.h')
-rw-r--r-- | arch/mips/include/asm/timex.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/mips/include/asm/timex.h b/arch/mips/include/asm/timex.h new file mode 100644 index 0000000..6529704 --- /dev/null +++ b/arch/mips/include/asm/timex.h @@ -0,0 +1,43 @@ +/* + * 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 + */ +#ifndef _ASM_TIMEX_H +#define _ASM_TIMEX_H + +#ifdef __KERNEL__ + +#include <asm/mipsregs.h> + +/* + * This is the clock rate of the i8253 PIT. A MIPS system may not have + * a PIT by the symbol is used all over the kernel including some APIs. + * So keeping it defined to the number for the PIT is the only sane thing + * for now. + */ +#define CLOCK_TICK_RATE 1193182 + +/* + * 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; + +static inline cycles_t get_cycles(void) +{ + return 0; +} + +#endif /* __KERNEL__ */ + +#endif /* _ASM_TIMEX_H */ |