shithub: powernv

ref: a691c9111a69257e206ce895d35396d0f6225929
dir: /clock.c/

#include "u.h"
#include "../port/lib.h"
#include "mem.h"
#include "dat.h"
#include "fns.h"
#include "io.h"
#include "ureg.h"

static uvlong freq;

enum {
	Enable	= 1<<0,
	Imask	= 1<<1,
	Istatus = 1<<2,
};

void
clockshutdown(void)
{
}

static void
localclockintr(Ureg *ureg, void *)
{
}

void
clockinit(void)
{
}

void
timerset(uvlong next)
{
}

uvlong
fastticks(uvlong *hz)
{
	return 0;
}

ulong
perfticks(void)
{
	return fastticks(nil);
}

ulong
µs(void)
{
	uvlong hz;
	uvlong t = fastticks(&hz);
	return (t * 1000000ULL) / hz;
}

void
microdelay(int n)
{
	ulong now;

	now = µs();
	while(µs() - now < n);
}

void
delay(int n)
{
	while(--n >= 0)
		microdelay(1000);
}

void
synccycles(void)
{
}