#include "kern_util.h"
#include "os.h"
-int hz(void)
-{
- return HZ;
-}
-
/*
* Scheduler clock - returns current time in nanosec units.
*/
{
int err;
+ timer_init();
+
err = request_irq(TIMER_IRQ, um_timer, IRQF_DISABLED, "timer", NULL);
if (err != 0)
printk(KERN_ERR "register_timer : request_irq failed - "
"errno = %d\n", -err);
- err = set_interval(1);
+ err = set_interval();
if (err != 0)
printk(KERN_ERR "register_timer : set_interval failed - "
"errno = %d\n", -err);
late_time_init = register_timer;
}
-void do_gettimeofday(struct timeval *tv)
-{
-#ifdef CONFIG_UML_REAL_TIME_CLOCK
- unsigned long long nsecs = get_time();
-#else
- unsigned long long nsecs = (unsigned long long) xtime.tv_sec * BILLION +
- xtime.tv_nsec;
-#endif
- tv->tv_sec = nsecs / NSEC_PER_SEC;
- /*
- * Careful about calculations here - this was originally done as
- * (nsecs - tv->tv_sec * NSEC_PER_SEC) / NSEC_PER_USEC
- * which gave bogus (> 1000000) values. Dunno why, suspect gcc
- * (4.0.0) miscompiled it, or there's a subtle 64/32-bit conversion
- * problem that I missed.
- */
- nsecs -= tv->tv_sec * NSEC_PER_SEC;
- tv->tv_usec = (unsigned long) nsecs / NSEC_PER_USEC;
-}
-
-static inline void set_time(unsigned long long nsecs)
-{
- unsigned long long now;
- unsigned long flags;
-
- spin_lock_irqsave(&timer_spinlock, flags);
- now = os_nsecs();
- local_offset = nsecs - now;
- spin_unlock_irqrestore(&timer_spinlock, flags);
-
- clock_was_set();
-}
-
-int do_settimeofday(struct timespec *tv)
-{
- set_time((unsigned long long) tv->tv_sec * NSEC_PER_SEC + tv->tv_nsec);
-
- return 0;
-}
-
void timer_handler(int sig, struct uml_pt_regs *regs)
{
if (current_thread->cpu == 0)