1*60d0010eSchristos /* $NetBSD: clock.c,v 1.2 2014/02/24 22:31:56 christos Exp $ */
25f7e80a8Spooka
35f7e80a8Spooka /*-
45f7e80a8Spooka * Copyright (c) 2010 The NetBSD Foundation, Inc.
55f7e80a8Spooka * Copyright (c) 1999 The NetBSD Foundation, Inc.
65f7e80a8Spooka * All rights reserved.
75f7e80a8Spooka *
85f7e80a8Spooka * This code was written by Alessandro Forin and Neil Pittman
95f7e80a8Spooka * at Microsoft Research and contributed to The NetBSD Foundation
105f7e80a8Spooka * by Microsoft Corporation.
115f7e80a8Spooka *
125f7e80a8Spooka * Redistribution and use in source and binary forms, with or without
135f7e80a8Spooka * modification, are permitted provided that the following conditions
145f7e80a8Spooka * are met:
155f7e80a8Spooka * 1. Redistributions of source code must retain the above copyright
165f7e80a8Spooka * notice, this list of conditions and the following disclaimer.
175f7e80a8Spooka * 2. Redistributions in binary form must reproduce the above copyright
185f7e80a8Spooka * notice, this list of conditions and the following disclaimer in the
195f7e80a8Spooka * documentation and/or other materials provided with the distribution.
205f7e80a8Spooka *
215f7e80a8Spooka * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
225f7e80a8Spooka * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
235f7e80a8Spooka * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
245f7e80a8Spooka * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
255f7e80a8Spooka * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
265f7e80a8Spooka * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
275f7e80a8Spooka * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
285f7e80a8Spooka * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
295f7e80a8Spooka * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
305f7e80a8Spooka * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
315f7e80a8Spooka * POSSIBILITY OF SUCH DAMAGE.
325f7e80a8Spooka */
335f7e80a8Spooka
345f7e80a8Spooka #include <sys/types.h>
355f7e80a8Spooka #include <machine/emipsreg.h>
36*60d0010eSchristos #include <lib/libsa/net.h>
375f7e80a8Spooka
385f7e80a8Spooka #include <stand/common/common.h>
395f7e80a8Spooka
40*60d0010eSchristos satime_t
getsecs(void)41*60d0010eSchristos getsecs(void)
425f7e80a8Spooka {
435f7e80a8Spooka struct _Tc *Tc = (struct _Tc *)TIMER_DEFAULT_ADDRESS;
445f7e80a8Spooka uint64_t now;
455f7e80a8Spooka static int inited = 0;
465f7e80a8Spooka
475f7e80a8Spooka if (!inited) {
485f7e80a8Spooka inited = 1;
495f7e80a8Spooka Tc->Control = TCCT_ENABLE;
505f7e80a8Spooka }
515f7e80a8Spooka
525f7e80a8Spooka /* starts from 0 at powerup, and counts up */
535f7e80a8Spooka now = Tc->FreeRunning;
545f7e80a8Spooka #if 0
555f7e80a8Spooka /* requires full 64bit math support */
565f7e80a8Spooka now = now / 10*1000*1000;
575f7e80a8Spooka #else
585f7e80a8Spooka /* good nuf */
595f7e80a8Spooka now = now >> 23;
605f7e80a8Spooka #endif
615f7e80a8Spooka return (long) now;
625f7e80a8Spooka }
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