From 0d820bb7dbaee50ef5d47caaf49721aca9b2dc96 Mon Sep 17 00:00:00 2001
From: dfr <dfr@FreeBSD.org>
Date: Tue, 6 Oct 1998 08:40:18 +0000
Subject: Add support for adjkerntz (largely untested).

---
 sys/alpha/alpha/clock.c     | 12 +++++++++++-
 sys/alpha/alpha/machdep.c   | 23 +++++++++++++++++++++--
 sys/alpha/include/clock.h   |  3 ++-
 sys/alpha/include/cpu.h     | 10 ++++++++--
 sys/powerpc/include/clock.h |  3 ++-
 5 files changed, 44 insertions(+), 7 deletions(-)

(limited to 'sys')

diff --git a/sys/alpha/alpha/clock.c b/sys/alpha/alpha/clock.c
index 26a8969..ef32268 100644
--- a/sys/alpha/alpha/clock.c
+++ b/sys/alpha/alpha/clock.c
@@ -1,4 +1,4 @@
-/* $Id: clock.c,v 1.2 1998/06/14 13:44:38 dfr Exp $ */
+/* $Id: clock.c,v 1.3 1998/07/22 08:16:34 dfr Exp $ */
 /* $NetBSD: clock.c,v 1.20 1998/01/31 10:32:47 ross Exp $ */
 
 /*
@@ -67,6 +67,8 @@ device_t clockdev;
 int clockinitted;
 int tickfix;
 int tickfixinterval;
+int	adjkerntz;		/* local offset	from GMT in seconds */
+int	disable_rtc_set;	/* disable resettodr() if != 0 */
 int	wall_cmos_clock;	/* wall	CMOS clock assumed if != 0 */
 static	int	beeping = 0;
 
@@ -280,6 +282,8 @@ inittodr(base)
 	s = splclock();
 	ts.tv_sec = 
 	    days * SECDAY + ct.hour * SECHOUR + ct.min * SECMIN + ct.sec;
+	if (wall_cmos_clock)
+	    ts.tv_sec += adjkerntz;
 	ts.tv_nsec = 0;
 	set_timecounter(&ts);
 	splx(s);
@@ -315,6 +319,9 @@ resettodr()
 	struct clocktime ct;
 	unsigned long	tm;
 
+	if (disable_rtc_set)
+		return;
+
 	s = splclock();
 	tm = time_second;
 	splx(s);
@@ -322,6 +329,9 @@ resettodr()
 	if (!clockinitted)
 		return;
 
+	/* Calculate local time	to put in RTC */
+	tm -= (wall_cmos_clock ? adjkerntz : 0);
+
 	/* compute the day of week. */
 	t2 = tm / SECDAY;
 	ct.dow = (t2 + 4) % 7;	/* 1/1/1970 was thursday */
diff --git a/sys/alpha/alpha/machdep.c b/sys/alpha/alpha/machdep.c
index d1164b6..5816af8 100644
--- a/sys/alpha/alpha/machdep.c
+++ b/sys/alpha/alpha/machdep.c
@@ -23,7 +23,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id: machdep.c,v 1.13 1998/09/14 22:43:19 jdp Exp $
+ *	$Id: machdep.c,v 1.14 1998/09/17 09:35:31 dfr Exp $
  */
 /*-
  * Copyright (c) 1998 The NetBSD Foundation, Inc.
@@ -154,7 +154,6 @@ struct pcb* curpcb;
 u_int64_t cycles_per_usec;
 u_int32_t cycles_per_sec;
 int whichqs, whichrtqs, whichidqs;
-int adjkerntz;
 int cold = 1;
 struct platform platform;
 alpha_chipset_t chipset;
@@ -1828,3 +1827,23 @@ bad:
         return(-1);
 
 }
+
+static int
+sysctl_machdep_adjkerntz SYSCTL_HANDLER_ARGS
+{
+	int error;
+	error = sysctl_handle_int(oidp, oidp->oid_arg1, oidp->oid_arg2,
+		req);
+	if (!error && req->newptr)
+		resettodr();
+	return (error);
+}
+
+SYSCTL_PROC(_machdep, CPU_ADJKERNTZ, adjkerntz, CTLTYPE_INT|CTLFLAG_RW,
+	&adjkerntz, 0, sysctl_machdep_adjkerntz, "I", "");
+
+SYSCTL_INT(_machdep, CPU_DISRTCSET, disable_rtc_set,
+	CTLFLAG_RW, &disable_rtc_set, 0, "");
+
+SYSCTL_INT(_machdep, CPU_WALLCLOCK, wall_cmos_clock,
+	CTLFLAG_RW, &wall_cmos_clock, 0, "");
diff --git a/sys/alpha/include/clock.h b/sys/alpha/include/clock.h
index 15e4fa7..e191523 100644
--- a/sys/alpha/include/clock.h
+++ b/sys/alpha/include/clock.h
@@ -3,7 +3,7 @@
  * Garrett Wollman, September 1994.
  * This file is in the public domain.
  *
- *	$Id: clock.h,v 1.1 1998/06/10 10:54:35 dfr Exp $
+ *	$Id: clock.h,v 1.2 1998/07/22 08:26:23 dfr Exp $
  */
 
 #ifndef _MACHINE_CLOCK_H_
@@ -11,6 +11,7 @@
 
 #ifdef KERNEL
 
+extern	int	disable_rtc_set;
 extern	int	wall_cmos_clock;
 extern	int	adjkerntz;
 
diff --git a/sys/alpha/include/cpu.h b/sys/alpha/include/cpu.h
index b63efaf..5a0a15a 100644
--- a/sys/alpha/include/cpu.h
+++ b/sys/alpha/include/cpu.h
@@ -1,4 +1,4 @@
-/* $Id: cpu.h,v 1.2 1998/06/10 10:54:45 dfr Exp $ */
+/* $Id: cpu.h,v 1.3 1998/07/12 16:32:06 dfr Exp $ */
 /* From: NetBSD: cpu.h,v 1.18 1997/09/23 23:17:49 mjacob Exp */
 
 /*
@@ -107,7 +107,10 @@ u_int32_t want_resched;		/* resched() was called */
 #define	CPU_UNALIGNED_FIX	4	/* int: fix unaligned accesses */
 #define	CPU_UNALIGNED_SIGBUS	5	/* int: SIGBUS unaligned accesses */
 #define	CPU_BOOTED_KERNEL	6	/* string: booted kernel name */
-#define	CPU_MAXID		7	/* 6 valid machdep IDs */
+#define	CPU_ADJKERNTZ		7	/* int:	timezone offset	(seconds) */
+#define	CPU_DISRTCSET		8	/* int: disable resettodr() call */
+#define	CPU_WALLCLOCK		9	/* int:	indicates wall CMOS clock */
+#define	CPU_MAXID		9	/* 9 valid machdep IDs */
 
 #define	CTL_MACHDEP_NAMES { \
 	{ 0, 0 }, \
@@ -117,6 +120,9 @@ u_int32_t want_resched;		/* resched() was called */
 	{ "unaligned_fix", CTLTYPE_INT }, \
 	{ "unaligned_sigbus", CTLTYPE_INT }, \
 	{ "booted_kernel", CTLTYPE_STRING }, \
+	{ "adjkerntz", CTLTYPE_INT }, \
+	{ "disable_rtc_set", CTLTYPE_INT }, \
+	{ "wall_cmos_clock", CTLTYPE_INT }, \
 }
 
 #ifdef KERNEL
diff --git a/sys/powerpc/include/clock.h b/sys/powerpc/include/clock.h
index 15e4fa7..e191523 100644
--- a/sys/powerpc/include/clock.h
+++ b/sys/powerpc/include/clock.h
@@ -3,7 +3,7 @@
  * Garrett Wollman, September 1994.
  * This file is in the public domain.
  *
- *	$Id: clock.h,v 1.1 1998/06/10 10:54:35 dfr Exp $
+ *	$Id: clock.h,v 1.2 1998/07/22 08:26:23 dfr Exp $
  */
 
 #ifndef _MACHINE_CLOCK_H_
@@ -11,6 +11,7 @@
 
 #ifdef KERNEL
 
+extern	int	disable_rtc_set;
 extern	int	wall_cmos_clock;
 extern	int	adjkerntz;
 
-- 
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