From 866d9567ab4be9944b7635370adf8e0e0471549e Mon Sep 17 00:00:00 2001
From: phk <phk@FreeBSD.org>
Date: Mon, 15 Jan 1996 10:28:44 +0000
Subject: Make bin2bcd and bcd2bin global macroes instead of having local
 implementations all over the place.

---
 sys/amd64/amd64/tsc.c    | 35 ++++++++++++-----------------------
 sys/amd64/isa/clock.c    | 35 ++++++++++++-----------------------
 sys/conf/files.i386      |  3 ++-
 sys/dev/mcd/mcd.c        | 16 +---------------
 sys/dev/scd/scd.c        | 16 +---------------
 sys/i386/conf/files.i386 |  3 ++-
 sys/i386/i386/tsc.c      | 35 ++++++++++++-----------------------
 sys/i386/isa/clock.c     | 35 ++++++++++++-----------------------
 sys/i386/isa/mcd.c       | 16 +---------------
 sys/i386/isa/scd.c       | 16 +---------------
 sys/isa/atrtc.c          | 35 ++++++++++++-----------------------
 sys/sys/systm.h          | 10 ++++++++--
 12 files changed, 76 insertions(+), 179 deletions(-)

diff --git a/sys/amd64/amd64/tsc.c b/sys/amd64/amd64/tsc.c
index 869fd0b..be02840 100644
--- a/sys/amd64/amd64/tsc.c
+++ b/sys/amd64/amd64/tsc.c
@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)clock.c	7.2 (Berkeley) 5/12/91
- *	$Id: clock.c,v 1.45 1996/01/08 18:50:14 ache Exp $
+ *	$Id: clock.c,v 1.46 1996/01/12 17:33:12 bde Exp $
  */
 
 /*
@@ -398,29 +398,18 @@ sysbeep(int pitch, int period)
 /*
  * RTC support routines
  */
-static int
-bcd2int(int bcd)
-{
-	return(bcd/16 *	10 + bcd%16);
-}
-
-static int
-int2bcd(int dez)
-{
-	return(dez/10 *	16 + dez%10);
-}
 
-static inline void
+static __inline void
 writertc(u_char reg, u_char val)
 {
 	outb(IO_RTC, reg);
 	outb(IO_RTC + 1, val);
 }
 
-static int
+static __inline int
 readrtc(int port)
 {
-	return(bcd2int(rtcin(port)));
+	return(bcd2bin(rtcin(port)));
 }
 
 /*
@@ -523,9 +512,9 @@ resettodr()
 
 	tm -= tz.tz_minuteswest * 60 + adjkerntz;
 
-	writertc(RTC_SEC, int2bcd(tm%60)); tm /= 60;	/* Write back Seconds */
-	writertc(RTC_MIN, int2bcd(tm%60)); tm /= 60;	/* Write back Minutes */
-	writertc(RTC_HRS, int2bcd(tm%24)); tm /= 24;	/* Write back Hours   */
+	writertc(RTC_SEC, bin2bcd(tm%60)); tm /= 60;	/* Write back Seconds */
+	writertc(RTC_MIN, bin2bcd(tm%60)); tm /= 60;	/* Write back Minutes */
+	writertc(RTC_HRS, bin2bcd(tm%24)); tm /= 24;	/* Write back Hours   */
 
 	/* We have now the days	since 01-01-1970 in tm */
 	writertc(RTC_WDAY, (tm+4)%7);			/* Write back Weekday */
@@ -536,10 +525,10 @@ resettodr()
 
 	/* Now we have the years in y and the day-of-the-year in tm */
 #ifdef USE_RTC_CENTURY
-	writertc(RTC_YEAR, int2bcd(y%100));		/* Write back Year    */
-	writertc(RTC_CENTURY, int2bcd(y/100));		/* ... and Century    */
+	writertc(RTC_YEAR, bin2bcd(y%100));		/* Write back Year    */
+	writertc(RTC_CENTURY, bin2bcd(y/100));		/* ... and Century    */
 #else
-	writertc(RTC_YEAR, int2bcd(y - 1900));          /* Write back Year    */
+	writertc(RTC_YEAR, bin2bcd(y - 1900));          /* Write back Year    */
 #endif
 	for (m = 0; ; m++) {
 		int ml;
@@ -552,8 +541,8 @@ resettodr()
 		tm -= ml;
 	}
 
-	writertc(RTC_MONTH, int2bcd(m + 1));            /* Write back Month   */
-	writertc(RTC_DAY, int2bcd(tm + 1));             /* Write back Month Day */
+	writertc(RTC_MONTH, bin2bcd(m + 1));            /* Write back Month   */
+	writertc(RTC_DAY, bin2bcd(tm + 1));             /* Write back Month Day */
 
 	/* Reenable RTC updates and interrupts. */
 	writertc(RTC_STATUSB, RTCSB_24HR | RTCSB_PINTR);
diff --git a/sys/amd64/isa/clock.c b/sys/amd64/isa/clock.c
index 869fd0b..be02840 100644
--- a/sys/amd64/isa/clock.c
+++ b/sys/amd64/isa/clock.c
@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)clock.c	7.2 (Berkeley) 5/12/91
- *	$Id: clock.c,v 1.45 1996/01/08 18:50:14 ache Exp $
+ *	$Id: clock.c,v 1.46 1996/01/12 17:33:12 bde Exp $
  */
 
 /*
@@ -398,29 +398,18 @@ sysbeep(int pitch, int period)
 /*
  * RTC support routines
  */
-static int
-bcd2int(int bcd)
-{
-	return(bcd/16 *	10 + bcd%16);
-}
-
-static int
-int2bcd(int dez)
-{
-	return(dez/10 *	16 + dez%10);
-}
 
-static inline void
+static __inline void
 writertc(u_char reg, u_char val)
 {
 	outb(IO_RTC, reg);
 	outb(IO_RTC + 1, val);
 }
 
-static int
+static __inline int
 readrtc(int port)
 {
-	return(bcd2int(rtcin(port)));
+	return(bcd2bin(rtcin(port)));
 }
 
 /*
@@ -523,9 +512,9 @@ resettodr()
 
 	tm -= tz.tz_minuteswest * 60 + adjkerntz;
 
-	writertc(RTC_SEC, int2bcd(tm%60)); tm /= 60;	/* Write back Seconds */
-	writertc(RTC_MIN, int2bcd(tm%60)); tm /= 60;	/* Write back Minutes */
-	writertc(RTC_HRS, int2bcd(tm%24)); tm /= 24;	/* Write back Hours   */
+	writertc(RTC_SEC, bin2bcd(tm%60)); tm /= 60;	/* Write back Seconds */
+	writertc(RTC_MIN, bin2bcd(tm%60)); tm /= 60;	/* Write back Minutes */
+	writertc(RTC_HRS, bin2bcd(tm%24)); tm /= 24;	/* Write back Hours   */
 
 	/* We have now the days	since 01-01-1970 in tm */
 	writertc(RTC_WDAY, (tm+4)%7);			/* Write back Weekday */
@@ -536,10 +525,10 @@ resettodr()
 
 	/* Now we have the years in y and the day-of-the-year in tm */
 #ifdef USE_RTC_CENTURY
-	writertc(RTC_YEAR, int2bcd(y%100));		/* Write back Year    */
-	writertc(RTC_CENTURY, int2bcd(y/100));		/* ... and Century    */
+	writertc(RTC_YEAR, bin2bcd(y%100));		/* Write back Year    */
+	writertc(RTC_CENTURY, bin2bcd(y/100));		/* ... and Century    */
 #else
-	writertc(RTC_YEAR, int2bcd(y - 1900));          /* Write back Year    */
+	writertc(RTC_YEAR, bin2bcd(y - 1900));          /* Write back Year    */
 #endif
 	for (m = 0; ; m++) {
 		int ml;
@@ -552,8 +541,8 @@ resettodr()
 		tm -= ml;
 	}
 
-	writertc(RTC_MONTH, int2bcd(m + 1));            /* Write back Month   */
-	writertc(RTC_DAY, int2bcd(tm + 1));             /* Write back Month Day */
+	writertc(RTC_MONTH, bin2bcd(m + 1));            /* Write back Month   */
+	writertc(RTC_DAY, bin2bcd(tm + 1));             /* Write back Month Day */
 
 	/* Reenable RTC updates and interrupts. */
 	writertc(RTC_STATUSB, RTCSB_24HR | RTCSB_PINTR);
diff --git a/sys/conf/files.i386 b/sys/conf/files.i386
index 321c921..8722eee 100644
--- a/sys/conf/files.i386
+++ b/sys/conf/files.i386
@@ -1,7 +1,7 @@
 # This file tells config what files go into building a kernel,
 # files marked standard are always included.
 #
-#	$Id: files.i386,v 1.122 1995/12/29 15:28:46 bde Exp $
+#	$Id: files.i386,v 1.123 1996/01/03 06:26:15 gibbs Exp $
 #
 aic7xxx_asm			optional	ahc	device-driver	   \
 	dependency 	"$S/dev/aic7xxx/aic7xxx_asm.c"			   \
@@ -194,6 +194,7 @@ i386/linux/linux_sysent.c	optional	linux
 i386/scsi/aic7xxx.c		optional	ahc	device-driver	   \
 	dependency	"$S/dev/aic7xxx/aic7xxx_reg.h aic7xxx_seq.h"
 i386/scsi/bt.c			optional	bt	device-driver
+libkern/bcd.c			standard
 libkern/divdi3.c		standard
 libkern/inet_ntoa.c		standard
 libkern/mcount.c		optional	profiling-routine
diff --git a/sys/dev/mcd/mcd.c b/sys/dev/mcd/mcd.c
index ba3a989..783df8e 100644
--- a/sys/dev/mcd/mcd.c
+++ b/sys/dev/mcd/mcd.c
@@ -40,7 +40,7 @@
  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
- *	$Id: mcd.c,v 1.56 1995/12/22 13:09:39 phk Exp $
+ *	$Id: mcd.c,v 1.57 1995/12/22 15:52:07 phk Exp $
  */
 static char COPYRIGHT[] = "mcd-driver (C)1993 by H.Veit & B.Moore";
 
@@ -184,8 +184,6 @@ static	int	mcd_get(int unit, char *buf, int nmax);
 static  int     mcd_setflags(int unit,struct mcd_data *cd);
 static	int	mcd_getstat(int unit,int sflg);
 static	int	mcd_send(int unit, int cmd,int nretrys);
-static	int	bcd2bin(bcd_t b);
-static	bcd_t	bin2bcd(int b);
 static	void	hsg2msf(int hsg, bcd_t *msf);
 static	int	msf2hsg(bcd_t *msf);
 static	int	mcd_volinfo(int unit);
@@ -938,18 +936,6 @@ mcd_send(int unit, int cmd,int nretrys)
 	return 0;
 }
 
-static int
-bcd2bin(bcd_t b)
-{
-	return (b >> 4) * 10 + (b & 15);
-}
-
-static bcd_t
-bin2bcd(int b)
-{
-	return ((b / 10) << 4) | (b % 10);
-}
-
 static void
 hsg2msf(int hsg, bcd_t *msf)
 {
diff --git a/sys/dev/scd/scd.c b/sys/dev/scd/scd.c
index 8f49d59..b313491 100644
--- a/sys/dev/scd/scd.c
+++ b/sys/dev/scd/scd.c
@@ -41,7 +41,7 @@
  */
 
 
-/* $Id: scd.c,v 1.15 1995/12/10 19:44:52 bde Exp $ */
+/* $Id: scd.c,v 1.16 1995/12/10 20:10:23 bde Exp $ */
 
 /* Please send any comments to micke@dynas.se */
 
@@ -153,8 +153,6 @@ static struct scd_data {
 } scd_data[NSCD];
 
 /* prototypes */
-static	int	bcd2bin(bcd_t b);
-static	bcd_t	bin2bcd(int b);
 static	void	hsg2msf(int hsg, bcd_t *msf);
 static	int	msf2hsg(bcd_t *msf);
 
@@ -1090,18 +1088,6 @@ changed:
 	goto harderr;
 }
 
-static int
-bcd2bin(bcd_t b)
-{
-	return (b >> 4) * 10 + (b & 15);
-}
-
-static bcd_t
-bin2bcd(int b)
-{
-	return ((b / 10) << 4) | (b % 10);
-}
-
 static void
 hsg2msf(int hsg, bcd_t *msf)
 {
diff --git a/sys/i386/conf/files.i386 b/sys/i386/conf/files.i386
index 321c921..8722eee 100644
--- a/sys/i386/conf/files.i386
+++ b/sys/i386/conf/files.i386
@@ -1,7 +1,7 @@
 # This file tells config what files go into building a kernel,
 # files marked standard are always included.
 #
-#	$Id: files.i386,v 1.122 1995/12/29 15:28:46 bde Exp $
+#	$Id: files.i386,v 1.123 1996/01/03 06:26:15 gibbs Exp $
 #
 aic7xxx_asm			optional	ahc	device-driver	   \
 	dependency 	"$S/dev/aic7xxx/aic7xxx_asm.c"			   \
@@ -194,6 +194,7 @@ i386/linux/linux_sysent.c	optional	linux
 i386/scsi/aic7xxx.c		optional	ahc	device-driver	   \
 	dependency	"$S/dev/aic7xxx/aic7xxx_reg.h aic7xxx_seq.h"
 i386/scsi/bt.c			optional	bt	device-driver
+libkern/bcd.c			standard
 libkern/divdi3.c		standard
 libkern/inet_ntoa.c		standard
 libkern/mcount.c		optional	profiling-routine
diff --git a/sys/i386/i386/tsc.c b/sys/i386/i386/tsc.c
index 869fd0b..be02840 100644
--- a/sys/i386/i386/tsc.c
+++ b/sys/i386/i386/tsc.c
@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)clock.c	7.2 (Berkeley) 5/12/91
- *	$Id: clock.c,v 1.45 1996/01/08 18:50:14 ache Exp $
+ *	$Id: clock.c,v 1.46 1996/01/12 17:33:12 bde Exp $
  */
 
 /*
@@ -398,29 +398,18 @@ sysbeep(int pitch, int period)
 /*
  * RTC support routines
  */
-static int
-bcd2int(int bcd)
-{
-	return(bcd/16 *	10 + bcd%16);
-}
-
-static int
-int2bcd(int dez)
-{
-	return(dez/10 *	16 + dez%10);
-}
 
-static inline void
+static __inline void
 writertc(u_char reg, u_char val)
 {
 	outb(IO_RTC, reg);
 	outb(IO_RTC + 1, val);
 }
 
-static int
+static __inline int
 readrtc(int port)
 {
-	return(bcd2int(rtcin(port)));
+	return(bcd2bin(rtcin(port)));
 }
 
 /*
@@ -523,9 +512,9 @@ resettodr()
 
 	tm -= tz.tz_minuteswest * 60 + adjkerntz;
 
-	writertc(RTC_SEC, int2bcd(tm%60)); tm /= 60;	/* Write back Seconds */
-	writertc(RTC_MIN, int2bcd(tm%60)); tm /= 60;	/* Write back Minutes */
-	writertc(RTC_HRS, int2bcd(tm%24)); tm /= 24;	/* Write back Hours   */
+	writertc(RTC_SEC, bin2bcd(tm%60)); tm /= 60;	/* Write back Seconds */
+	writertc(RTC_MIN, bin2bcd(tm%60)); tm /= 60;	/* Write back Minutes */
+	writertc(RTC_HRS, bin2bcd(tm%24)); tm /= 24;	/* Write back Hours   */
 
 	/* We have now the days	since 01-01-1970 in tm */
 	writertc(RTC_WDAY, (tm+4)%7);			/* Write back Weekday */
@@ -536,10 +525,10 @@ resettodr()
 
 	/* Now we have the years in y and the day-of-the-year in tm */
 #ifdef USE_RTC_CENTURY
-	writertc(RTC_YEAR, int2bcd(y%100));		/* Write back Year    */
-	writertc(RTC_CENTURY, int2bcd(y/100));		/* ... and Century    */
+	writertc(RTC_YEAR, bin2bcd(y%100));		/* Write back Year    */
+	writertc(RTC_CENTURY, bin2bcd(y/100));		/* ... and Century    */
 #else
-	writertc(RTC_YEAR, int2bcd(y - 1900));          /* Write back Year    */
+	writertc(RTC_YEAR, bin2bcd(y - 1900));          /* Write back Year    */
 #endif
 	for (m = 0; ; m++) {
 		int ml;
@@ -552,8 +541,8 @@ resettodr()
 		tm -= ml;
 	}
 
-	writertc(RTC_MONTH, int2bcd(m + 1));            /* Write back Month   */
-	writertc(RTC_DAY, int2bcd(tm + 1));             /* Write back Month Day */
+	writertc(RTC_MONTH, bin2bcd(m + 1));            /* Write back Month   */
+	writertc(RTC_DAY, bin2bcd(tm + 1));             /* Write back Month Day */
 
 	/* Reenable RTC updates and interrupts. */
 	writertc(RTC_STATUSB, RTCSB_24HR | RTCSB_PINTR);
diff --git a/sys/i386/isa/clock.c b/sys/i386/isa/clock.c
index 869fd0b..be02840 100644
--- a/sys/i386/isa/clock.c
+++ b/sys/i386/isa/clock.c
@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)clock.c	7.2 (Berkeley) 5/12/91
- *	$Id: clock.c,v 1.45 1996/01/08 18:50:14 ache Exp $
+ *	$Id: clock.c,v 1.46 1996/01/12 17:33:12 bde Exp $
  */
 
 /*
@@ -398,29 +398,18 @@ sysbeep(int pitch, int period)
 /*
  * RTC support routines
  */
-static int
-bcd2int(int bcd)
-{
-	return(bcd/16 *	10 + bcd%16);
-}
-
-static int
-int2bcd(int dez)
-{
-	return(dez/10 *	16 + dez%10);
-}
 
-static inline void
+static __inline void
 writertc(u_char reg, u_char val)
 {
 	outb(IO_RTC, reg);
 	outb(IO_RTC + 1, val);
 }
 
-static int
+static __inline int
 readrtc(int port)
 {
-	return(bcd2int(rtcin(port)));
+	return(bcd2bin(rtcin(port)));
 }
 
 /*
@@ -523,9 +512,9 @@ resettodr()
 
 	tm -= tz.tz_minuteswest * 60 + adjkerntz;
 
-	writertc(RTC_SEC, int2bcd(tm%60)); tm /= 60;	/* Write back Seconds */
-	writertc(RTC_MIN, int2bcd(tm%60)); tm /= 60;	/* Write back Minutes */
-	writertc(RTC_HRS, int2bcd(tm%24)); tm /= 24;	/* Write back Hours   */
+	writertc(RTC_SEC, bin2bcd(tm%60)); tm /= 60;	/* Write back Seconds */
+	writertc(RTC_MIN, bin2bcd(tm%60)); tm /= 60;	/* Write back Minutes */
+	writertc(RTC_HRS, bin2bcd(tm%24)); tm /= 24;	/* Write back Hours   */
 
 	/* We have now the days	since 01-01-1970 in tm */
 	writertc(RTC_WDAY, (tm+4)%7);			/* Write back Weekday */
@@ -536,10 +525,10 @@ resettodr()
 
 	/* Now we have the years in y and the day-of-the-year in tm */
 #ifdef USE_RTC_CENTURY
-	writertc(RTC_YEAR, int2bcd(y%100));		/* Write back Year    */
-	writertc(RTC_CENTURY, int2bcd(y/100));		/* ... and Century    */
+	writertc(RTC_YEAR, bin2bcd(y%100));		/* Write back Year    */
+	writertc(RTC_CENTURY, bin2bcd(y/100));		/* ... and Century    */
 #else
-	writertc(RTC_YEAR, int2bcd(y - 1900));          /* Write back Year    */
+	writertc(RTC_YEAR, bin2bcd(y - 1900));          /* Write back Year    */
 #endif
 	for (m = 0; ; m++) {
 		int ml;
@@ -552,8 +541,8 @@ resettodr()
 		tm -= ml;
 	}
 
-	writertc(RTC_MONTH, int2bcd(m + 1));            /* Write back Month   */
-	writertc(RTC_DAY, int2bcd(tm + 1));             /* Write back Month Day */
+	writertc(RTC_MONTH, bin2bcd(m + 1));            /* Write back Month   */
+	writertc(RTC_DAY, bin2bcd(tm + 1));             /* Write back Month Day */
 
 	/* Reenable RTC updates and interrupts. */
 	writertc(RTC_STATUSB, RTCSB_24HR | RTCSB_PINTR);
diff --git a/sys/i386/isa/mcd.c b/sys/i386/isa/mcd.c
index ba3a989..783df8e 100644
--- a/sys/i386/isa/mcd.c
+++ b/sys/i386/isa/mcd.c
@@ -40,7 +40,7 @@
  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
- *	$Id: mcd.c,v 1.56 1995/12/22 13:09:39 phk Exp $
+ *	$Id: mcd.c,v 1.57 1995/12/22 15:52:07 phk Exp $
  */
 static char COPYRIGHT[] = "mcd-driver (C)1993 by H.Veit & B.Moore";
 
@@ -184,8 +184,6 @@ static	int	mcd_get(int unit, char *buf, int nmax);
 static  int     mcd_setflags(int unit,struct mcd_data *cd);
 static	int	mcd_getstat(int unit,int sflg);
 static	int	mcd_send(int unit, int cmd,int nretrys);
-static	int	bcd2bin(bcd_t b);
-static	bcd_t	bin2bcd(int b);
 static	void	hsg2msf(int hsg, bcd_t *msf);
 static	int	msf2hsg(bcd_t *msf);
 static	int	mcd_volinfo(int unit);
@@ -938,18 +936,6 @@ mcd_send(int unit, int cmd,int nretrys)
 	return 0;
 }
 
-static int
-bcd2bin(bcd_t b)
-{
-	return (b >> 4) * 10 + (b & 15);
-}
-
-static bcd_t
-bin2bcd(int b)
-{
-	return ((b / 10) << 4) | (b % 10);
-}
-
 static void
 hsg2msf(int hsg, bcd_t *msf)
 {
diff --git a/sys/i386/isa/scd.c b/sys/i386/isa/scd.c
index 8f49d59..b313491 100644
--- a/sys/i386/isa/scd.c
+++ b/sys/i386/isa/scd.c
@@ -41,7 +41,7 @@
  */
 
 
-/* $Id: scd.c,v 1.15 1995/12/10 19:44:52 bde Exp $ */
+/* $Id: scd.c,v 1.16 1995/12/10 20:10:23 bde Exp $ */
 
 /* Please send any comments to micke@dynas.se */
 
@@ -153,8 +153,6 @@ static struct scd_data {
 } scd_data[NSCD];
 
 /* prototypes */
-static	int	bcd2bin(bcd_t b);
-static	bcd_t	bin2bcd(int b);
 static	void	hsg2msf(int hsg, bcd_t *msf);
 static	int	msf2hsg(bcd_t *msf);
 
@@ -1090,18 +1088,6 @@ changed:
 	goto harderr;
 }
 
-static int
-bcd2bin(bcd_t b)
-{
-	return (b >> 4) * 10 + (b & 15);
-}
-
-static bcd_t
-bin2bcd(int b)
-{
-	return ((b / 10) << 4) | (b % 10);
-}
-
 static void
 hsg2msf(int hsg, bcd_t *msf)
 {
diff --git a/sys/isa/atrtc.c b/sys/isa/atrtc.c
index 869fd0b..be02840 100644
--- a/sys/isa/atrtc.c
+++ b/sys/isa/atrtc.c
@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)clock.c	7.2 (Berkeley) 5/12/91
- *	$Id: clock.c,v 1.45 1996/01/08 18:50:14 ache Exp $
+ *	$Id: clock.c,v 1.46 1996/01/12 17:33:12 bde Exp $
  */
 
 /*
@@ -398,29 +398,18 @@ sysbeep(int pitch, int period)
 /*
  * RTC support routines
  */
-static int
-bcd2int(int bcd)
-{
-	return(bcd/16 *	10 + bcd%16);
-}
-
-static int
-int2bcd(int dez)
-{
-	return(dez/10 *	16 + dez%10);
-}
 
-static inline void
+static __inline void
 writertc(u_char reg, u_char val)
 {
 	outb(IO_RTC, reg);
 	outb(IO_RTC + 1, val);
 }
 
-static int
+static __inline int
 readrtc(int port)
 {
-	return(bcd2int(rtcin(port)));
+	return(bcd2bin(rtcin(port)));
 }
 
 /*
@@ -523,9 +512,9 @@ resettodr()
 
 	tm -= tz.tz_minuteswest * 60 + adjkerntz;
 
-	writertc(RTC_SEC, int2bcd(tm%60)); tm /= 60;	/* Write back Seconds */
-	writertc(RTC_MIN, int2bcd(tm%60)); tm /= 60;	/* Write back Minutes */
-	writertc(RTC_HRS, int2bcd(tm%24)); tm /= 24;	/* Write back Hours   */
+	writertc(RTC_SEC, bin2bcd(tm%60)); tm /= 60;	/* Write back Seconds */
+	writertc(RTC_MIN, bin2bcd(tm%60)); tm /= 60;	/* Write back Minutes */
+	writertc(RTC_HRS, bin2bcd(tm%24)); tm /= 24;	/* Write back Hours   */
 
 	/* We have now the days	since 01-01-1970 in tm */
 	writertc(RTC_WDAY, (tm+4)%7);			/* Write back Weekday */
@@ -536,10 +525,10 @@ resettodr()
 
 	/* Now we have the years in y and the day-of-the-year in tm */
 #ifdef USE_RTC_CENTURY
-	writertc(RTC_YEAR, int2bcd(y%100));		/* Write back Year    */
-	writertc(RTC_CENTURY, int2bcd(y/100));		/* ... and Century    */
+	writertc(RTC_YEAR, bin2bcd(y%100));		/* Write back Year    */
+	writertc(RTC_CENTURY, bin2bcd(y/100));		/* ... and Century    */
 #else
-	writertc(RTC_YEAR, int2bcd(y - 1900));          /* Write back Year    */
+	writertc(RTC_YEAR, bin2bcd(y - 1900));          /* Write back Year    */
 #endif
 	for (m = 0; ; m++) {
 		int ml;
@@ -552,8 +541,8 @@ resettodr()
 		tm -= ml;
 	}
 
-	writertc(RTC_MONTH, int2bcd(m + 1));            /* Write back Month   */
-	writertc(RTC_DAY, int2bcd(tm + 1));             /* Write back Month Day */
+	writertc(RTC_MONTH, bin2bcd(m + 1));            /* Write back Month   */
+	writertc(RTC_DAY, bin2bcd(tm + 1));             /* Write back Month Day */
 
 	/* Reenable RTC updates and interrupts. */
 	writertc(RTC_STATUSB, RTCSB_24HR | RTCSB_PINTR);
diff --git a/sys/sys/systm.h b/sys/sys/systm.h
index e00a098..03b5feb 100644
--- a/sys/sys/systm.h
+++ b/sys/sys/systm.h
@@ -36,7 +36,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)systm.h	8.4 (Berkeley) 2/23/94
- * $Id: systm.h,v 1.29 1996/01/01 17:05:07 peter Exp $
+ * $Id: systm.h,v 1.30 1996/01/13 18:02:41 phk Exp $
  */
 
 #ifndef _SYS_SYSTM_H_
@@ -170,7 +170,6 @@ extern void nchinit(void);
 /* Finalize the world. */
 void	shutdown_nice __P((void));
 
-
 /*
  * Kernel to clock driver interface.
  */
@@ -186,4 +185,11 @@ void timeout(timeout_func_t, void *, int);
 void untimeout(timeout_func_t, void *);
 void	logwakeup __P((void));
 
+/* BCD conversions */
+extern u_char _bcd2bin[], _bin2bcd[];
+extern char _hex2ascii[];
+#define bcd2bin(foo) _bcd2bin[foo]
+#define bin2bcd(foo) _bin2bcd[foo]
+#define hex2ascii(foo) _hex2ascii[foo]
+
 #endif /* !_SYS_SYSTM_H_ */
-- 
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