72 lines
1.7 KiB
C
Executable File
72 lines
1.7 KiB
C
Executable File
#ifndef _ASM_PARAM_H
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#define _ASM_PARAM_H
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#ifndef HZ
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#ifdef __KERNEL__
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/* Safeguard against user stupidity */
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#ifdef _SYS_PARAM_H
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#error Do not include <asm/param.h> with __KERNEL__ defined!
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#endif
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#include <linux/config.h>
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#ifdef CONFIG_DECSTATION
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/*
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* log2(HZ), change this here if you want another HZ value. This is also
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* used in dec_time_init. Minimum is 1, Maximum is 15.
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*/
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# define LOG_2_HZ 7
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# define HZ (1 << LOG_2_HZ)
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/*
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* Ye olde division-by-multiplication trick.
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* This works only if 100 / HZ <= 1
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*/
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# define QUOTIENT ((1UL << (32 - LOG_2_HZ)) * 100)
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# define hz_to_std(a) \
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({ unsigned int __res; \
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unsigned long __lo; \
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__asm__("multu\t%2,%3\n\t" \
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:"=h" (__res), "=l" (__lo) \
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:"r" (a),"r" (QUOTIENT)); \
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(__typeof__(a)) __res;})
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#else /* Not a DECstation */
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/* This is the internal value of HZ, that is the rate at which the jiffies
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counter is increasing. This value is independent from the external value
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and can be changed in order to suit the hardware and application
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requirements. */
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# define HZ 100
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# define hz_to_std(a) (a)
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#endif /* Not a DECstation */
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#else /* defined(__KERNEL__) */
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/* This is the external value of HZ as seen by user programs. Don't change
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unless you know what you're doing - changing breaks binary compatibility. */
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#define HZ 100
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#endif /* defined(__KERNEL__) */
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#endif /* defined(HZ) */
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#define EXEC_PAGESIZE 4096
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#ifndef NGROUPS
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#define NGROUPS 32
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#endif
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#ifndef NOGROUP
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#define NOGROUP (-1)
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#endif
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#define MAXHOSTNAMELEN 64 /* max length of hostname */
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#ifdef __KERNEL__
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# define CLOCKS_PER_SEC 100 /* frequency at which times() counts */
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#endif
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#endif /* _ASM_PARAM_H */
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