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44 lines
1.0 KiB
C
44 lines
1.0 KiB
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 1998, 1999, 2003 by Ralf Baechle
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*/
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#ifndef _ASM_TIMEX_H
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#define _ASM_TIMEX_H
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#ifdef __KERNEL__
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#include <asm/mipsregs.h>
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/*
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* This is the clock rate of the i8253 PIT. A MIPS system may not have
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* a PIT by the symbol is used all over the kernel including some APIs.
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* So keeping it defined to the number for the PIT is the only sane thing
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* for now.
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*/
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#define CLOCK_TICK_RATE 1193182
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/*
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* Standard way to access the cycle counter.
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* Currently only used on SMP for scheduling.
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*
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* Only the low 32 bits are available as a continuously counting entity.
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* But this only means we'll force a reschedule every 8 seconds or so,
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* which isn't an evil thing.
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*
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* We know that all SMP capable CPUs have cycle counters.
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*/
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typedef unsigned int cycles_t;
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static inline cycles_t get_cycles(void)
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{
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return 0;
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}
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#endif /* __KERNEL__ */
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#endif /* _ASM_TIMEX_H */
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