/* * linux/arch/cris/kernel/time.c * * Copyright (C) 1991, 1992, 1995 Linus Torvalds * Copyright (C) 1999, 2000, 2001 Axis Communications AB * * 1994-07-02 Alan Modra * fixed set_rtc_mmss, fixed time.year for >= 2000, new mktime * 1995-03-26 Markus Kuhn * fixed 500 ms bug at call to set_rtc_mmss, fixed DS12887 * precision CMOS clock update * 1996-05-03 Ingo Molnar * fixed time warps in do_[slow|fast]_gettimeoffset() * 1997-09-10 Updated NTP code according to technical memorandum Jan '96 * "A Kernel Model for Precision Timekeeping" by Dave Mills * * Linux/CRIS specific code: * * Authors: Bjorn Wesen * Johan Adolfsson * */ #include <linux/errno.h>#include <linux/module.h>#include <linux/param.h>#include <linux/jiffies.h>#include <linux/bcd.h>#include <linux/timex.h>#include <linux/init.h>#include <linux/profile.h>#include <linux/sched.h> /* just for sched_clock() - funny that */ #define D(x) #define TICK_SIZE tick extern unsigned long loops_per_jiffy; /* init/main.c */unsigned long loops_per_usec; int set_rtc_mmss(unsigned long nowtime){ D(printk(KERN_DEBUG "set_rtc_mmss(%lu)\n", nowtime)); return 0;} /* grab the time from the RTC chip */unsigned long get_cmos_time(void){ return 0;} int update_persistent_clock(struct timespec now){ return set_rtc_mmss(now.tv_sec);} void read_persistent_clock(struct timespec *ts){ ts->tv_sec = 0; ts->tv_nsec = 0;} extern void cris_profile_sample(struct pt_regs* regs); voidcris_do_profile(struct pt_regs* regs){ #ifdef CONFIG_SYSTEM_PROFILER cris_profile_sample(regs);#endif #ifdef CONFIG_PROFILING profile_tick(CPU_PROFILING);#endif} unsigned long long sched_clock(void){ return (unsigned long long)jiffies * (NSEC_PER_SEC / HZ) + get_ns_in_jiffie();} static int__init init_udelay(void){ loops_per_usec = (loops_per_jiffy * HZ) / 1000000; return 0;} __initcall(init_udelay);
/*
* linux/arch/cris/kernel/time.c
*
* Copyright (C) 1991, 1992, 1995 Linus Torvalds
* Copyright (C) 1999, 2000, 2001 Axis Communications AB
*
* 1994-07-02 Alan Modra
* fixed set_rtc_mmss, fixed time.year for >= 2000, new mktime
* 1995-03-26 Markus Kuhn
* fixed 500 ms bug at call to set_rtc_mmss, fixed DS12887
* precision CMOS clock update
* 1996-05-03 Ingo Molnar
* fixed time warps in do_[slow|fast]_gettimeoffset()
* 1997-09-10 Updated NTP code according to technical memorandum Jan '96
* "A Kernel Model for Precision Timekeeping" by Dave Mills
*
* Linux/CRIS specific code:
*
* Authors: Bjorn Wesen
* Johan Adolfsson
*
*/
#include <linux/errno.h>
#include <linux/module.h>
#include <linux/param.h>
#include <linux/jiffies.h>
#include <linux/bcd.h>
#include <linux/timex.h>
#include <linux/init.h>
#include <linux/profile.h>
#include <linux/sched.h> /* just for sched_clock() - funny that */
#define D(x)
#define TICK_SIZE tick
extern unsigned long loops_per_jiffy; /* init/main.c */
unsigned long loops_per_usec;
int set_rtc_mmss(unsigned long nowtime)
{
D(printk(KERN_DEBUG "set_rtc_mmss(%lu)\n", nowtime));
return 0;
}
/* grab the time from the RTC chip */
unsigned long get_cmos_time(void)
{
return 0;
}
int update_persistent_clock(struct timespec now)
{
return set_rtc_mmss(now.tv_sec);
}
void read_persistent_clock(struct timespec *ts)
{
ts->tv_sec = 0;
ts->tv_nsec = 0;
}
extern void cris_profile_sample(struct pt_regs* regs);
void
cris_do_profile(struct pt_regs* regs)
{
#ifdef CONFIG_SYSTEM_PROFILER
cris_profile_sample(regs);
#endif
#ifdef CONFIG_PROFILING
profile_tick(CPU_PROFILING);
#endif
}
unsigned long long sched_clock(void)
{
return (unsigned long long)jiffies * (NSEC_PER_SEC / HZ) +
get_ns_in_jiffie();
}
static int
__init init_udelay(void)
{
loops_per_usec = (loops_per_jiffy * HZ) / 1000000;
return 0;
}
__initcall(init_udelay);