| kern_clocksource.c (239036) | kern_clocksource.c (241413) |
|---|---|
| 1/*- 2 * Copyright (c) 2010-2012 Alexander Motin <mav@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2010-2012 Alexander Motin <mav@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> |
| 28__FBSDID("$FreeBSD: head/sys/kern/kern_clocksource.c 239036 2012-08-04 08:06:37Z mav $"); | 28__FBSDID("$FreeBSD: head/sys/kern/kern_clocksource.c 241413 2012-10-10 19:46:46Z mav $"); |
| 29 30/* 31 * Common routines to manage event timers hardware. 32 */ 33 34#include "opt_device_polling.h" 35#include "opt_kdtrace.h" 36 --- 560 unchanged lines hidden (view full) --- 597 598 if (et->et_frequency != 0) { 599 div = lmax((et->et_frequency + freq / 2) / freq, 1); 600 if (et->et_flags & ET_FLAGS_POW2DIV) 601 div = 1 << (flsl(div + div / 2) - 1); 602 freq = (et->et_frequency + div / 2) / div; 603 } 604 if (et->et_min_period.sec > 0) | 29 30/* 31 * Common routines to manage event timers hardware. 32 */ 33 34#include "opt_device_polling.h" 35#include "opt_kdtrace.h" 36 --- 560 unchanged lines hidden (view full) --- 597 598 if (et->et_frequency != 0) { 599 div = lmax((et->et_frequency + freq / 2) / freq, 1); 600 if (et->et_flags & ET_FLAGS_POW2DIV) 601 div = 1 << (flsl(div + div / 2) - 1); 602 freq = (et->et_frequency + div / 2) / div; 603 } 604 if (et->et_min_period.sec > 0) |
| 605 freq = 0; | 605 panic("Event timer \"%s\" doesn't support sub-second periods!", 606 et->et_name); |
| 606 else if (et->et_min_period.frac != 0) 607 freq = min(freq, BT2FREQ(&et->et_min_period)); 608 if (et->et_max_period.sec == 0 && et->et_max_period.frac != 0) 609 freq = max(freq, BT2FREQ(&et->et_max_period)); 610 return (freq); 611} 612 613/* --- 355 unchanged lines hidden --- | 607 else if (et->et_min_period.frac != 0) 608 freq = min(freq, BT2FREQ(&et->et_min_period)); 609 if (et->et_max_period.sec == 0 && et->et_max_period.frac != 0) 610 freq = max(freq, BT2FREQ(&et->et_max_period)); 611 return (freq); 612} 613 614/* --- 355 unchanged lines hidden --- |