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5e71c60515
Spelling fixes in arch/h8300/. Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Signed-off-by: Adrian Bunk <bunk@kernel.org>
69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
/*
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* linux/arch/h8300/kernel/time.c
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*
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* Yoshinori Sato <ysato@users.sourceforge.jp>
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*
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* Copied/hacked from:
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*
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* linux/arch/m68k/kernel/time.c
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*
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* Copyright (C) 1991, 1992, 1995 Linus Torvalds
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*
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* This file contains the m68k-specific time handling details.
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* Most of the stuff is located in the machine specific files.
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*
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* 1997-09-10 Updated NTP code according to technical memorandum Jan '96
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* "A Kernel Model for Precision Timekeeping" by Dave Mills
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*/
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#include <linux/errno.h>
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#include <linux/module.h>
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#include <linux/sched.h>
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#include <linux/kernel.h>
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#include <linux/param.h>
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#include <linux/string.h>
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#include <linux/mm.h>
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#include <linux/timex.h>
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#include <linux/profile.h>
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#include <asm/io.h>
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#include <asm/target_time.h>
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#define TICK_SIZE (tick_nsec / 1000)
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/*
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* timer_interrupt() needs to keep up the real-time clock,
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* as well as call the "do_timer()" routine every clocktick
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*/
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static void timer_interrupt(int irq, void *dummy, struct pt_regs * regs)
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{
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/* may need to kick the hardware timer */
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platform_timer_eoi();
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do_timer(1);
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#ifndef CONFIG_SMP
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update_process_times(user_mode(regs));
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#endif
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profile_tick(CPU_PROFILING);
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}
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void time_init(void)
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{
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unsigned int year, mon, day, hour, min, sec;
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/* FIX by dqg : Set to zero for platforms that don't have tod */
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/* without this time is undefined and can overflow time_t, causing */
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/* very strange errors */
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year = 1980;
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mon = day = 1;
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hour = min = sec = 0;
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platform_gettod (&year, &mon, &day, &hour, &min, &sec);
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if ((year += 1900) < 1970)
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year += 100;
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xtime.tv_sec = mktime(year, mon, day, hour, min, sec);
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xtime.tv_nsec = 0;
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platform_timer_setup(timer_interrupt);
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}
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