From owner-svn-src-all@freebsd.org Mon May 2 16:14:56 2016 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id AA8EBAEE926; Mon, 2 May 2016 16:14:56 +0000 (UTC) (envelope-from royger@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 8671718D5; Mon, 2 May 2016 16:14:56 +0000 (UTC) (envelope-from royger@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id u42GEtDc052307; Mon, 2 May 2016 16:14:55 GMT (envelope-from royger@FreeBSD.org) Received: (from royger@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id u42GEtuj052305; Mon, 2 May 2016 16:14:55 GMT (envelope-from royger@FreeBSD.org) Message-Id: <201605021614.u42GEtuj052305@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: royger set sender to royger@FreeBSD.org using -f From: =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= Date: Mon, 2 May 2016 16:14:55 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r298928 - in head/sys: isa x86/isa X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 02 May 2016 16:14:56 -0000 Author: royger Date: Mon May 2 16:14:55 2016 New Revision: 298928 URL: https://svnweb.freebsd.org/changeset/base/298928 Log: atrtc: export function to set RTC This is going to be used by the Xen clock on Dom0 in order to set the RTC of the host. The current logic in atrtc_settime is moved to atrtc_set and the unused device_t parameter is removed from the atrtc_set function call so it can be safely used by other callers. Sponsored by: Citrix Systems R&D Reviewed by: kib, jhb Differential revision: https://reviews.freebsd.org/D6067 Modified: head/sys/isa/rtc.h head/sys/x86/isa/atrtc.c Modified: head/sys/isa/rtc.h ============================================================================== --- head/sys/isa/rtc.h Mon May 2 16:13:55 2016 (r298927) +++ head/sys/isa/rtc.h Mon May 2 16:14:55 2016 (r298928) @@ -117,6 +117,7 @@ extern int atrtcclock_disable; int rtcin(int reg); void atrtc_restore(void); void writertc(int reg, u_char val); +void atrtc_set(struct timespec *ts); #endif #endif /* _I386_ISA_RTC_H_ */ Modified: head/sys/x86/isa/atrtc.c ============================================================================== --- head/sys/x86/isa/atrtc.c Mon May 2 16:13:55 2016 (r298927) +++ head/sys/x86/isa/atrtc.c Mon May 2 16:14:55 2016 (r298928) @@ -151,6 +151,33 @@ atrtc_restore(void) rtcin(RTC_INTR); } +void +atrtc_set(struct timespec *ts) +{ + struct clocktime ct; + + clock_ts_to_ct(ts, &ct); + + /* Disable RTC updates and interrupts. */ + writertc(RTC_STATUSB, RTCSB_HALT | RTCSB_24HR); + + writertc(RTC_SEC, bin2bcd(ct.sec)); /* Write back Seconds */ + writertc(RTC_MIN, bin2bcd(ct.min)); /* Write back Minutes */ + writertc(RTC_HRS, bin2bcd(ct.hour)); /* Write back Hours */ + + writertc(RTC_WDAY, ct.dow + 1); /* Write back Weekday */ + writertc(RTC_DAY, bin2bcd(ct.day)); /* Write back Day */ + writertc(RTC_MONTH, bin2bcd(ct.mon)); /* Write back Month */ + writertc(RTC_YEAR, bin2bcd(ct.year % 100)); /* Write back Year */ +#ifdef USE_RTC_CENTURY + writertc(RTC_CENTURY, bin2bcd(ct.year / 100)); /* ... and Century */ +#endif + + /* Re-enable RTC updates and interrupts. */ + writertc(RTC_STATUSB, rtc_statusb); + rtcin(RTC_INTR); +} + /********************************************************************** * RTC driver for subr_rtc */ @@ -297,28 +324,8 @@ atrtc_resume(device_t dev) static int atrtc_settime(device_t dev __unused, struct timespec *ts) { - struct clocktime ct; - - clock_ts_to_ct(ts, &ct); - - /* Disable RTC updates and interrupts. */ - writertc(RTC_STATUSB, RTCSB_HALT | RTCSB_24HR); - - writertc(RTC_SEC, bin2bcd(ct.sec)); /* Write back Seconds */ - writertc(RTC_MIN, bin2bcd(ct.min)); /* Write back Minutes */ - writertc(RTC_HRS, bin2bcd(ct.hour)); /* Write back Hours */ - writertc(RTC_WDAY, ct.dow + 1); /* Write back Weekday */ - writertc(RTC_DAY, bin2bcd(ct.day)); /* Write back Day */ - writertc(RTC_MONTH, bin2bcd(ct.mon)); /* Write back Month */ - writertc(RTC_YEAR, bin2bcd(ct.year % 100)); /* Write back Year */ -#ifdef USE_RTC_CENTURY - writertc(RTC_CENTURY, bin2bcd(ct.year / 100)); /* ... and Century */ -#endif - - /* Reenable RTC updates and interrupts. */ - writertc(RTC_STATUSB, rtc_statusb); - rtcin(RTC_INTR); + atrtc_set(ts); return (0); }