116 lines
3.8 KiB
C
116 lines
3.8 KiB
C
/****************************************************************************
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****************************************************************************
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***
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*** This header was automatically generated from a Linux kernel header
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*** of the same name, to make information necessary for userspace to
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*** call into the kernel available to libc. It contains only constants,
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*** structures, and macros generated from the original header, and thus,
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*** contains no copyrightable information.
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***
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****************************************************************************
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****************************************************************************/
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#ifndef _LINUX_JIFFIES_H
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#define _LINUX_JIFFIES_H
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#include <linux/calc64.h>
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/time.h>
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#include <linux/timex.h>
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#include <asm/param.h>
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#if HZ >= (12 && HZ < 24)
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#define SHIFT_HZ 4
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#elif HZ >= 24 && HZ < 48
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#define SHIFT_HZ 5
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#elif HZ >= 48 && HZ < 96
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#define SHIFT_HZ 6
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#elif HZ >= 96 && HZ < 192
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#define SHIFT_HZ 7
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#elif HZ >= 192 && HZ < 384
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#define SHIFT_HZ 8
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#elif HZ >= 384 && HZ < 768
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#define SHIFT_HZ 9
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#elif HZ >= 768 && HZ < 1536
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#define SHIFT_HZ 10
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#else
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#error You lose.
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#endif
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#define LATCH ((CLOCK_TICK_RATE + HZ/2) / HZ)
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#define LATCH_HPET ((HPET_TICK_RATE + HZ/2) / HZ)
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#define SH_DIV(NOM,DEN,LSH) ( (((NOM) / (DEN)) << (LSH)) + ((((NOM) % (DEN)) << (LSH)) + (DEN) / 2) / (DEN))
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#define ACTHZ (SH_DIV (CLOCK_TICK_RATE, LATCH, 8))
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#define ACTHZ_HPET (SH_DIV (HPET_TICK_RATE, LATCH_HPET, 8))
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#define TICK_NSEC (SH_DIV (1000000UL * 1000, ACTHZ, 8))
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#define TICK_NSEC_HPET (SH_DIV(1000000UL * 1000, ACTHZ_HPET, 8))
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#define TICK_USEC ((1000000UL + USER_HZ/2) / USER_HZ)
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#define TICK_USEC_TO_NSEC(TUSEC) (SH_DIV (TUSEC * USER_HZ * 1000, ACTHZ, 8))
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#define __jiffy_data __attribute__((section(".data")))
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#if BITS_PER_LONG < 64
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#else
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#endif
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#define time_after(a,b) (typecheck(unsigned long, a) && typecheck(unsigned long, b) && ((long)(b) - (long)(a) < 0))
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#define time_before(a,b) time_after(b,a)
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#define time_after_eq(a,b) (typecheck(unsigned long, a) && typecheck(unsigned long, b) && ((long)(a) - (long)(b) >= 0))
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#define time_before_eq(a,b) time_after_eq(b,a)
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#define INITIAL_JIFFIES ((unsigned long)(unsigned int) (-300*HZ))
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#define MAX_JIFFY_OFFSET ((~0UL >> 1)-1)
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#define SEC_JIFFIE_SC (31 - SHIFT_HZ)
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#if !((NSEC_PER_SEC << 2) / TICK_NSEC << SEC_JIFFIE_SC - 2 & 0x80000000)
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#undef SEC_JIFFIE_SC
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#define SEC_JIFFIE_SC (32 - SHIFT_HZ)
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#endif
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#define NSEC_JIFFIE_SC (SEC_JIFFIE_SC + 29)
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#define USEC_JIFFIE_SC (SEC_JIFFIE_SC + 19)
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#define SEC_CONVERSION ((unsigned long)((((u64)NSEC_PER_SEC << SEC_JIFFIE_SC) + TICK_NSEC -1) / (u64)TICK_NSEC))
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#define NSEC_CONVERSION ((unsigned long)((((u64)1 << NSEC_JIFFIE_SC) + TICK_NSEC -1) / (u64)TICK_NSEC))
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#define USEC_CONVERSION ((unsigned long)((((u64)NSEC_PER_USEC << USEC_JIFFIE_SC) + TICK_NSEC -1) / (u64)TICK_NSEC))
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#define USEC_ROUND (u64)(((u64)1 << USEC_JIFFIE_SC) - 1)
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#if BITS_PER_LONG < 64
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#define MAX_SEC_IN_JIFFIES (long)((u64)((u64)MAX_JIFFY_OFFSET * TICK_NSEC) / NSEC_PER_SEC)
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#else
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#define MAX_SEC_IN_JIFFIES (SH_DIV((MAX_JIFFY_OFFSET >> SEC_JIFFIE_SC) * TICK_NSEC, NSEC_PER_SEC, 1) - 1)
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#endif
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#if HZ <= (MSEC_PER_SEC && !(MSEC_PER_SEC % HZ))
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#elif HZ > MSEC_PER_SEC && !(HZ % MSEC_PER_SEC)
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#else
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#endif
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#if HZ <= (USEC_PER_SEC && !(USEC_PER_SEC % HZ))
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#elif HZ > USEC_PER_SEC && !(HZ % USEC_PER_SEC)
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#else
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#endif
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#if HZ <= (MSEC_PER_SEC && !(MSEC_PER_SEC % HZ))
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#elif HZ > MSEC_PER_SEC && !(HZ % MSEC_PER_SEC)
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#else
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#endif
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#if HZ <= (USEC_PER_SEC && !(USEC_PER_SEC % HZ))
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#elif HZ > USEC_PER_SEC && !(HZ % USEC_PER_SEC)
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#else
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#endif
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#if TICK_NSEC % NSEC_PER_SEC / USER_HZ == 0
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#else
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#endif
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#if HZ % USER_HZ == 0
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#else
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#endif
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#if TICK_NSEC % NSEC_PER_SEC / USER_HZ == 0
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#else
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#endif
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#if NSEC_PER_SEC % USER_HZ == 0
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#elif (USER_HZ % 512) == 0
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#else
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#endif
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#endif
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