Rename "i586_ctr" to "tsc" (both upper and lower case instances).

Fix a couple of printfs too.

Warning: This changes the names of a couple of kernel options!

sys/amd64/amd64/identcpu.c

@@ -36,7 +36,7 @@
  * SUCH DAMAGE.
  *
  *	from: Id: machdep.c,v 1.193 1996/06/18 01:22:04 bde Exp
- *	$Id: identcpu.c,v 1.34 1997/12/03 02:45:42 sef Exp $
+ *	$Id: identcpu.c,v 1.35 1997/12/04 14:35:38 jkh Exp $
  */
 
 #include "opt_cpu.h"
@@ -394,8 +394,8 @@ printcpuinfo(void)
 	case CPUCLASS_586:
 #ifndef SMP
 		printf("%d.%02d-MHz ",
-		       (i586_ctr_freq + 4999) / 1000000,
-		       ((i586_ctr_freq + 4999) / 10000) % 100);
+		       (tsc_freq + 4999) / 1000000,
+		       ((tsc_freq + 4999) / 10000) % 100);
 #endif
 		printf("586");
 		break;
@@ -404,8 +404,8 @@ printcpuinfo(void)
 	case CPUCLASS_686:
 #ifndef SMP
 		printf("%d.%02d-MHz ",
-		       (i586_ctr_freq + 4999) / 1000000,
-		       ((i586_ctr_freq + 4999) / 10000) % 100);
+		       (tsc_freq + 4999) / 1000000,
+		       ((tsc_freq + 4999) / 10000) % 100);
 #endif
 		printf("686");
 		break;

sys/amd64/amd64/prof_machdep.c

@@ -23,7 +23,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id: prof_machdep.c,v 1.6 1997/02/22 09:36:59 peter Exp $
+ *	$Id: prof_machdep.c,v 1.7 1997/11/24 18:16:23 bde Exp $
  */
 
 #ifdef GUPROF
@@ -51,7 +51,7 @@
 #ifdef GUPROF
 #define	CPUTIME_CLOCK_UNINITIALIZED	0
 #define	CPUTIME_CLOCK_I8254		1
-#define	CPUTIME_CLOCK_I586_CTR		2
+#define	CPUTIME_CLOCK_TSC		2
 #define	CPUTIME_CLOCK_I586_PMC		3
 #define	CPUTIME_CLOCK_I8254_SHIFT	7
 
@@ -177,7 +177,7 @@ cputime()
 	static u_int prev_count;
 
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-	if (cputime_clock == CPUTIME_CLOCK_I586_CTR) {
+	if (cputime_clock == CPUTIME_CLOCK_TSC) {
 		count = (u_int)rdtsc();
 		delta = (int)(count - prev_count);
 		prev_count = count;
@@ -279,14 +279,14 @@ startguprof(gp)
 	if (cputime_clock == CPUTIME_CLOCK_UNINITIALIZED) {
 		cputime_clock = CPUTIME_CLOCK_I8254;
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-		if (i586_ctr_freq != 0)
-			cputime_clock = CPUTIME_CLOCK_I586_CTR;
+		if (tsc_freq != 0)
+			cputime_clock = CPUTIME_CLOCK_TSC;
 #endif
 	}
 	gp->profrate = timer_freq << CPUTIME_CLOCK_I8254_SHIFT;
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-	if (cputime_clock == CPUTIME_CLOCK_I586_CTR)
-		gp->profrate = i586_ctr_freq;
+	if (cputime_clock == CPUTIME_CLOCK_TSC)
+		gp->profrate = tsc_freq;
 #if defined(PERFMON) && defined(I586_PMC_GUPROF)
 	else if (cputime_clock == CPUTIME_CLOCK_I586_PMC) {
 		if (perfmon_avail() &&

sys/amd64/amd64/tsc.c

@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)clock.c	7.2 (Berkeley) 5/12/91
- *	$Id: clock.c,v 1.103 1997/10/28 11:43:57 bde Exp $
+ *	$Id: clock.c,v 1.104 1997/11/18 11:16:56 bde Exp $
  */
 
 /*
@@ -118,12 +118,12 @@ int	disable_rtc_set;	/* disable resettodr() if != 0 */
 u_int	idelayed;
 #if defined(I586_CPU) || defined(I686_CPU)
 #ifndef SMP
-u_int	i586_ctr_bias;
-u_int	i586_ctr_comultiplier;
+u_int	tsc_bias;
+u_int	tsc_comultiplier;
 #endif
-u_int	i586_ctr_freq;
+u_int	tsc_freq;
 #ifndef SMP
-u_int	i586_ctr_multiplier;
+u_int	tsc_multiplier;
 #endif
 #endif
 int	statclock_disable;
@@ -164,7 +164,7 @@ static	u_char	timer2_state;
 static	void	(*timer_func) __P((struct clockframe *frame)) = hardclock;
 
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-static	void	set_i586_ctr_freq(u_int i586_freq, u_int i8254_freq);
+static	void	set_tsc_freq(u_int i586_freq, u_int i8254_freq);
 #endif
 static	void	set_timer_freq(u_int freq, int intr_freq);
 
@@ -613,9 +613,9 @@ calibrate_clocks(void)
 	 * similar to those for the i8254 clock.
 	 */
 	if (cpu_class == CPUCLASS_586 || cpu_class == CPUCLASS_686) {
-		set_i586_ctr_freq((u_int)rdtsc(), tot_count);
+		set_tsc_freq((u_int)rdtsc(), tot_count);
 		if (bootverbose)
-		        printf("i586 clock: %u Hz, ", i586_ctr_freq);
+		        printf("TSC clock: %u Hz, ", tsc_freq);
 	}
 #endif
 
@@ -690,22 +690,22 @@ startrtclock()
 		    "%d Hz differs from default of %d Hz by more than 1%%\n",
 			       freq, timer_freq);
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-		i586_ctr_freq = 0;
+		tsc_freq = 0;
 #endif
 	}
 
 	set_timer_freq(timer_freq, hz);
 
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-#ifndef CLK_USE_I586_CALIBRATION
-	if (i586_ctr_freq != 0) {
+#ifndef CLK_USE_TSC_CALIBRATION
+	if (tsc_freq != 0) {
 		if (bootverbose)
 			printf(
-"CLK_USE_I586_CALIBRATION not specified - using old calibration method\n");
-		i586_ctr_freq = 0;
+"CLK_USE_TSC_CALIBRATION not specified - using old calibration method\n");
+		tsc_freq = 0;
 	}
 #endif
-	if (i586_ctr_freq == 0 &&
+	if (tsc_freq == 0 &&
 	    (cpu_class == CPUCLASS_586 || cpu_class == CPUCLASS_686)) {
 		/*
 		 * Calibration of the i586 clock relative to the mc146818A
@@ -714,10 +714,10 @@ startrtclock()
 		 */
 		wrmsr(0x10, 0LL);	/* XXX */
 		DELAY(1000000);
-		set_i586_ctr_freq((u_int)rdtsc(), timer_freq);
+		set_tsc_freq((u_int)rdtsc(), timer_freq);
 #ifdef CLK_USE_I586_CALIBRATION
 		if (bootverbose)
-			printf("i586 clock: %u Hz\n", i586_ctr_freq);
+			printf("TSC clock: %u Hz\n", tsc_freq);
 #endif
 	}
 #endif
@@ -929,8 +929,8 @@ cpu_initclocks()
 	/*
 	 * Finish setting up anti-jitter measures.
 	 */
-	if (i586_ctr_freq != 0)
-		i586_ctr_bias = rdtsc();
+	if (tsc_freq != 0)
+		tsc_bias = rdtsc();
 #endif
 
 	/* Initialize RTC. */
@@ -989,7 +989,7 @@ sysctl_machdep_i8254_freq SYSCTL_HANDLER_ARGS
 			return (EBUSY);	/* too much trouble to handle */
 		set_timer_freq(freq, hz);
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-		set_i586_ctr_freq(i586_ctr_freq, timer_freq);
+		set_tsc_freq(tsc_freq, timer_freq);
 #endif
 	}
 	return (error);
@@ -1000,23 +1000,23 @@ SYSCTL_PROC(_machdep, OID_AUTO, i8254_freq, CTLTYPE_INT | CTLFLAG_RW,
 
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
 static void
-set_i586_ctr_freq(u_int i586_freq, u_int i8254_freq)
+set_tsc_freq(u_int i586_freq, u_int i8254_freq)
 {
 	u_int comultiplier, multiplier;
 	u_long ef;
 
 	if (i586_freq == 0) {
-		i586_ctr_freq = i586_freq;
+		tsc_freq = i586_freq;
 		return;
 	}
 	comultiplier = ((unsigned long long)i586_freq
-			<< I586_CTR_COMULTIPLIER_SHIFT) / i8254_freq;
-	multiplier = (1000000LL << I586_CTR_MULTIPLIER_SHIFT) / i586_freq;
+			<< TSC_COMULTIPLIER_SHIFT) / i8254_freq;
+	multiplier = (1000000LL << TSC_MULTIPLIER_SHIFT) / i586_freq;
 	ef = read_eflags();
 	disable_intr();
-	i586_ctr_freq = i586_freq;
-	i586_ctr_comultiplier = comultiplier;
-	i586_ctr_multiplier = multiplier;
+	tsc_freq = i586_freq;
+	tsc_comultiplier = comultiplier;
+	tsc_multiplier = multiplier;
 	CLOCK_UNLOCK();
 	write_eflags(ef);
 }
@@ -1029,10 +1029,10 @@ sysctl_machdep_i586_freq SYSCTL_HANDLER_ARGS
 
 	if (cpu_class != CPUCLASS_586 && cpu_class != CPUCLASS_686)
 		return (EOPNOTSUPP);
-	freq = i586_ctr_freq;
+	freq = tsc_freq;
 	error = sysctl_handle_opaque(oidp, &freq, sizeof freq, req);
 	if (error == 0 && req->newptr != NULL)
-		set_i586_ctr_freq(freq, timer_freq);
+		set_tsc_freq(freq, timer_freq);
 	return (error);
 }
 

sys/amd64/include/clock.h

@@ -3,7 +3,7 @@
  * Garrett Wollman, September 1994.
  * This file is in the public domain.
  *
- *	$Id: clock.h,v 1.26 1997/05/04 14:25:00 peter Exp $
+ *	$Id: clock.h,v 1.27 1997/05/05 09:34:33 peter Exp $
  */
 
 #ifndef _MACHINE_CLOCK_H_
@@ -17,8 +17,8 @@
 
 #define CPU_THISTICKLEN(dflt) dflt
 
-#define	I586_CTR_COMULTIPLIER_SHIFT	20
-#define	I586_CTR_MULTIPLIER_SHIFT	32
+#define	TSC_COMULTIPLIER_SHIFT	20
+#define	TSC_MULTIPLIER_SHIFT	32
 
 #ifdef KERNEL
 /*
@@ -30,12 +30,12 @@ extern int	adjkerntz;
 extern int	disable_rtc_set;
 #if defined(I586_CPU) || defined(I686_CPU)
 #ifndef SMP
-extern u_int	i586_ctr_bias;
-extern u_int	i586_ctr_comultiplier;
+extern u_int	tsc_bias;
+extern u_int	tsc_comultiplier;
 #endif
-extern u_int	i586_ctr_freq;
+extern u_int	tsc_freq;
 #ifndef SMP
-extern u_int	i586_ctr_multiplier;
+extern u_int	tsc_multiplier;
 #endif
 #endif
 extern int	statclock_disable;
@@ -87,8 +87,8 @@ clock_latency(void)
 
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
 /*
- * When we update `time', on i586's we also update `i586_ctr_bias'
- * atomically.  `i586_ctr_bias' is the best available approximation to
+ * When we update `time', on i586's we also update `tsc_bias'
+ * atomically.  `tsc_bias' is the best available approximation to
  * the value of the i586 counter (mod 2^32) at the time of the i8254
  * counter transition that caused the clock interrupt that caused the
  * update.  clock_latency() gives the time between the transition and
@@ -100,18 +100,18 @@ clock_latency(void)
 static __inline void
 cpu_clockupdate(volatile struct timeval *otime, struct timeval *ntime)
 {
-	if (i586_ctr_freq != 0) {
+	if (tsc_freq != 0) {
 		u_int i586_count;	/* truncated */
 		u_int i8254_count;
 
 		disable_intr();
 		i8254_count = clock_latency();
 		i586_count = rdtsc();
-		i586_ctr_bias = i586_count
+		tsc_bias = i586_count
 				- (u_int)
-				  (((unsigned long long)i586_ctr_comultiplier
+				  (((unsigned long long)tsc_comultiplier
 				    * i8254_count)
-				   >> I586_CTR_COMULTIPLIER_SHIFT);
+				   >> TSC_COMULTIPLIER_SHIFT);
 		*otime = *ntime;
 		enable_intr();
 	} else

sys/amd64/isa/clock.c

@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)clock.c	7.2 (Berkeley) 5/12/91
- *	$Id: clock.c,v 1.103 1997/10/28 11:43:57 bde Exp $
+ *	$Id: clock.c,v 1.104 1997/11/18 11:16:56 bde Exp $
  */
 
 /*
@@ -118,12 +118,12 @@ int	disable_rtc_set;	/* disable resettodr() if != 0 */
 u_int	idelayed;
 #if defined(I586_CPU) || defined(I686_CPU)
 #ifndef SMP
-u_int	i586_ctr_bias;
-u_int	i586_ctr_comultiplier;
+u_int	tsc_bias;
+u_int	tsc_comultiplier;
 #endif
-u_int	i586_ctr_freq;
+u_int	tsc_freq;
 #ifndef SMP
-u_int	i586_ctr_multiplier;
+u_int	tsc_multiplier;
 #endif
 #endif
 int	statclock_disable;
@@ -164,7 +164,7 @@ static	u_char	timer2_state;
 static	void	(*timer_func) __P((struct clockframe *frame)) = hardclock;
 
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-static	void	set_i586_ctr_freq(u_int i586_freq, u_int i8254_freq);
+static	void	set_tsc_freq(u_int i586_freq, u_int i8254_freq);
 #endif
 static	void	set_timer_freq(u_int freq, int intr_freq);
 
@@ -613,9 +613,9 @@ calibrate_clocks(void)
 	 * similar to those for the i8254 clock.
 	 */
 	if (cpu_class == CPUCLASS_586 || cpu_class == CPUCLASS_686) {
-		set_i586_ctr_freq((u_int)rdtsc(), tot_count);
+		set_tsc_freq((u_int)rdtsc(), tot_count);
 		if (bootverbose)
-		        printf("i586 clock: %u Hz, ", i586_ctr_freq);
+		        printf("TSC clock: %u Hz, ", tsc_freq);
 	}
 #endif
 
@@ -690,22 +690,22 @@ startrtclock()
 		    "%d Hz differs from default of %d Hz by more than 1%%\n",
 			       freq, timer_freq);
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-		i586_ctr_freq = 0;
+		tsc_freq = 0;
 #endif
 	}
 
 	set_timer_freq(timer_freq, hz);
 
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-#ifndef CLK_USE_I586_CALIBRATION
-	if (i586_ctr_freq != 0) {
+#ifndef CLK_USE_TSC_CALIBRATION
+	if (tsc_freq != 0) {
 		if (bootverbose)
 			printf(
-"CLK_USE_I586_CALIBRATION not specified - using old calibration method\n");
-		i586_ctr_freq = 0;
+"CLK_USE_TSC_CALIBRATION not specified - using old calibration method\n");
+		tsc_freq = 0;
 	}
 #endif
-	if (i586_ctr_freq == 0 &&
+	if (tsc_freq == 0 &&
 	    (cpu_class == CPUCLASS_586 || cpu_class == CPUCLASS_686)) {
 		/*
 		 * Calibration of the i586 clock relative to the mc146818A
@@ -714,10 +714,10 @@ startrtclock()
 		 */
 		wrmsr(0x10, 0LL);	/* XXX */
 		DELAY(1000000);
-		set_i586_ctr_freq((u_int)rdtsc(), timer_freq);
+		set_tsc_freq((u_int)rdtsc(), timer_freq);
 #ifdef CLK_USE_I586_CALIBRATION
 		if (bootverbose)
-			printf("i586 clock: %u Hz\n", i586_ctr_freq);
+			printf("TSC clock: %u Hz\n", tsc_freq);
 #endif
 	}
 #endif
@@ -929,8 +929,8 @@ cpu_initclocks()
 	/*
 	 * Finish setting up anti-jitter measures.
 	 */
-	if (i586_ctr_freq != 0)
-		i586_ctr_bias = rdtsc();
+	if (tsc_freq != 0)
+		tsc_bias = rdtsc();
 #endif
 
 	/* Initialize RTC. */
@@ -989,7 +989,7 @@ sysctl_machdep_i8254_freq SYSCTL_HANDLER_ARGS
 			return (EBUSY);	/* too much trouble to handle */
 		set_timer_freq(freq, hz);
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-		set_i586_ctr_freq(i586_ctr_freq, timer_freq);
+		set_tsc_freq(tsc_freq, timer_freq);
 #endif
 	}
 	return (error);
@@ -1000,23 +1000,23 @@ SYSCTL_PROC(_machdep, OID_AUTO, i8254_freq, CTLTYPE_INT | CTLFLAG_RW,
 
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
 static void
-set_i586_ctr_freq(u_int i586_freq, u_int i8254_freq)
+set_tsc_freq(u_int i586_freq, u_int i8254_freq)
 {
 	u_int comultiplier, multiplier;
 	u_long ef;
 
 	if (i586_freq == 0) {
-		i586_ctr_freq = i586_freq;
+		tsc_freq = i586_freq;
 		return;
 	}
 	comultiplier = ((unsigned long long)i586_freq
-			<< I586_CTR_COMULTIPLIER_SHIFT) / i8254_freq;
-	multiplier = (1000000LL << I586_CTR_MULTIPLIER_SHIFT) / i586_freq;
+			<< TSC_COMULTIPLIER_SHIFT) / i8254_freq;
+	multiplier = (1000000LL << TSC_MULTIPLIER_SHIFT) / i586_freq;
 	ef = read_eflags();
 	disable_intr();
-	i586_ctr_freq = i586_freq;
-	i586_ctr_comultiplier = comultiplier;
-	i586_ctr_multiplier = multiplier;
+	tsc_freq = i586_freq;
+	tsc_comultiplier = comultiplier;
+	tsc_multiplier = multiplier;
 	CLOCK_UNLOCK();
 	write_eflags(ef);
 }
@@ -1029,10 +1029,10 @@ sysctl_machdep_i586_freq SYSCTL_HANDLER_ARGS
 
 	if (cpu_class != CPUCLASS_586 && cpu_class != CPUCLASS_686)
 		return (EOPNOTSUPP);
-	freq = i586_ctr_freq;
+	freq = tsc_freq;
 	error = sysctl_handle_opaque(oidp, &freq, sizeof freq, req);
 	if (error == 0 && req->newptr != NULL)
-		set_i586_ctr_freq(freq, timer_freq);
+		set_tsc_freq(freq, timer_freq);
 	return (error);
 }
 

sys/conf/options.pc98

@@ -1,4 +1,4 @@
-#	$Id: options.pc98,v 1.43 1997/12/05 11:51:29 kato Exp $
+#	$Id: options.pc98,v 1.44 1997/12/10 09:28:59 kato Exp $
 BOUNCEPAGES		opt_bounce.h
 USER_LDT
 MATH_EMULATE		opt_math_emulate.h
@@ -23,7 +23,7 @@ COM_ESP			opt_sio.h
 COM_MULTIPORT		opt_sio.h
 DSI_SOFT_MODEM		opt_sio.h
 EXTRA_SIO		opt_sio.h
-I586_CTR_GUPROF		opt_i586_guprof.h
+TSC_GUPROF		opt_i586_guprof.h
 I586_PMC_GUPROF		opt_i586_guprof.h
 WLCACHE			opt_wavelan.h
 WLDEBUG			opt_wavelan.h

sys/i386/i386/identcpu.c

@@ -36,7 +36,7 @@
  * SUCH DAMAGE.
  *
  *	from: Id: machdep.c,v 1.193 1996/06/18 01:22:04 bde Exp
- *	$Id: identcpu.c,v 1.34 1997/12/03 02:45:42 sef Exp $
+ *	$Id: identcpu.c,v 1.35 1997/12/04 14:35:38 jkh Exp $
  */
 
 #include "opt_cpu.h"
@@ -394,8 +394,8 @@ printcpuinfo(void)
 	case CPUCLASS_586:
 #ifndef SMP
 		printf("%d.%02d-MHz ",
-		       (i586_ctr_freq + 4999) / 1000000,
-		       ((i586_ctr_freq + 4999) / 10000) % 100);
+		       (tsc_freq + 4999) / 1000000,
+		       ((tsc_freq + 4999) / 10000) % 100);
 #endif
 		printf("586");
 		break;
@@ -404,8 +404,8 @@ printcpuinfo(void)
 	case CPUCLASS_686:
 #ifndef SMP
 		printf("%d.%02d-MHz ",
-		       (i586_ctr_freq + 4999) / 1000000,
-		       ((i586_ctr_freq + 4999) / 10000) % 100);
+		       (tsc_freq + 4999) / 1000000,
+		       ((tsc_freq + 4999) / 10000) % 100);
 #endif
 		printf("686");
 		break;

sys/i386/i386/microtime.s

@@ -32,7 +32,7 @@
  * SUCH DAMAGE.
  *
  *	from: Steve McCanne's microtime code
- *	$Id: microtime.s,v 1.35 1997/12/15 02:18:19 tegge Exp $
+ *	$Id: microtime.s,v 1.36 1997/12/26 20:15:03 phk Exp $
  */
 
 #include <machine/asmacros.h>
@@ -48,14 +48,14 @@
 ENTRY(microtime)
 
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-	movl	_i586_ctr_freq, %ecx
+	movl	_tsc_freq, %ecx
 	testl	%ecx, %ecx
 	je	i8254_microtime
 	pushfl
 	cli
 	.byte	0x0f, 0x31	/* RDTSC */
-	subl	_i586_ctr_bias, %eax
-	mull	_i586_ctr_multiplier
+	subl	_tsc_bias, %eax
+	mull	_tsc_multiplier
 	movl	%edx, %eax
 	jmp	common_microtime
 #else

sys/i386/i386/perfmon.c

@@ -26,7 +26,7 @@
  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id: perfmon.c,v 1.11 1997/07/01 01:18:38 bde Exp $
+ *	$Id: perfmon.c,v 1.12 1997/10/28 15:58:10 bde Exp $
  */
 
 #include <sys/param.h>
@@ -343,7 +343,7 @@ perfmon_ioctl(dev_t dev, int cmd, caddr_t param, int flags, struct proc *p)
 	case PMIOTSTAMP:
 		pmct = (struct pmc_tstamp *)param;
 		/* XXX interface loses precision. */
-		pmct->pmct_rate = i586_ctr_freq / 1000000;
+		pmct->pmct_rate = tsc_freq / 1000000;
 		pmct->pmct_value = rdtsc();
 		rv = 0;
 		break;

sys/i386/i386/tsc.c

@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)clock.c	7.2 (Berkeley) 5/12/91
- *	$Id: clock.c,v 1.103 1997/10/28 11:43:57 bde Exp $
+ *	$Id: clock.c,v 1.104 1997/11/18 11:16:56 bde Exp $
  */
 
 /*
@@ -118,12 +118,12 @@ int	disable_rtc_set;	/* disable resettodr() if != 0 */
 u_int	idelayed;
 #if defined(I586_CPU) || defined(I686_CPU)
 #ifndef SMP
-u_int	i586_ctr_bias;
-u_int	i586_ctr_comultiplier;
+u_int	tsc_bias;
+u_int	tsc_comultiplier;
 #endif
-u_int	i586_ctr_freq;
+u_int	tsc_freq;
 #ifndef SMP
-u_int	i586_ctr_multiplier;
+u_int	tsc_multiplier;
 #endif
 #endif
 int	statclock_disable;
@@ -164,7 +164,7 @@ static	u_char	timer2_state;
 static	void	(*timer_func) __P((struct clockframe *frame)) = hardclock;
 
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-static	void	set_i586_ctr_freq(u_int i586_freq, u_int i8254_freq);
+static	void	set_tsc_freq(u_int i586_freq, u_int i8254_freq);
 #endif
 static	void	set_timer_freq(u_int freq, int intr_freq);
 
@@ -613,9 +613,9 @@ calibrate_clocks(void)
 	 * similar to those for the i8254 clock.
 	 */
 	if (cpu_class == CPUCLASS_586 || cpu_class == CPUCLASS_686) {
-		set_i586_ctr_freq((u_int)rdtsc(), tot_count);
+		set_tsc_freq((u_int)rdtsc(), tot_count);
 		if (bootverbose)
-		        printf("i586 clock: %u Hz, ", i586_ctr_freq);
+		        printf("TSC clock: %u Hz, ", tsc_freq);
 	}
 #endif
 
@@ -690,22 +690,22 @@ startrtclock()
 		    "%d Hz differs from default of %d Hz by more than 1%%\n",
 			       freq, timer_freq);
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-		i586_ctr_freq = 0;
+		tsc_freq = 0;
 #endif
 	}
 
 	set_timer_freq(timer_freq, hz);
 
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-#ifndef CLK_USE_I586_CALIBRATION
-	if (i586_ctr_freq != 0) {
+#ifndef CLK_USE_TSC_CALIBRATION
+	if (tsc_freq != 0) {
 		if (bootverbose)
 			printf(
-"CLK_USE_I586_CALIBRATION not specified - using old calibration method\n");
-		i586_ctr_freq = 0;
+"CLK_USE_TSC_CALIBRATION not specified - using old calibration method\n");
+		tsc_freq = 0;
 	}
 #endif
-	if (i586_ctr_freq == 0 &&
+	if (tsc_freq == 0 &&
 	    (cpu_class == CPUCLASS_586 || cpu_class == CPUCLASS_686)) {
 		/*
 		 * Calibration of the i586 clock relative to the mc146818A
@@ -714,10 +714,10 @@ startrtclock()
 		 */
 		wrmsr(0x10, 0LL);	/* XXX */
 		DELAY(1000000);
-		set_i586_ctr_freq((u_int)rdtsc(), timer_freq);
+		set_tsc_freq((u_int)rdtsc(), timer_freq);
 #ifdef CLK_USE_I586_CALIBRATION
 		if (bootverbose)
-			printf("i586 clock: %u Hz\n", i586_ctr_freq);
+			printf("TSC clock: %u Hz\n", tsc_freq);
 #endif
 	}
 #endif
@@ -929,8 +929,8 @@ cpu_initclocks()
 	/*
 	 * Finish setting up anti-jitter measures.
 	 */
-	if (i586_ctr_freq != 0)
-		i586_ctr_bias = rdtsc();
+	if (tsc_freq != 0)
+		tsc_bias = rdtsc();
 #endif
 
 	/* Initialize RTC. */
@@ -989,7 +989,7 @@ sysctl_machdep_i8254_freq SYSCTL_HANDLER_ARGS
 			return (EBUSY);	/* too much trouble to handle */
 		set_timer_freq(freq, hz);
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-		set_i586_ctr_freq(i586_ctr_freq, timer_freq);
+		set_tsc_freq(tsc_freq, timer_freq);
 #endif
 	}
 	return (error);
@@ -1000,23 +1000,23 @@ SYSCTL_PROC(_machdep, OID_AUTO, i8254_freq, CTLTYPE_INT | CTLFLAG_RW,
 
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
 static void
-set_i586_ctr_freq(u_int i586_freq, u_int i8254_freq)
+set_tsc_freq(u_int i586_freq, u_int i8254_freq)
 {
 	u_int comultiplier, multiplier;
 	u_long ef;
 
 	if (i586_freq == 0) {
-		i586_ctr_freq = i586_freq;
+		tsc_freq = i586_freq;
 		return;
 	}
 	comultiplier = ((unsigned long long)i586_freq
-			<< I586_CTR_COMULTIPLIER_SHIFT) / i8254_freq;
-	multiplier = (1000000LL << I586_CTR_MULTIPLIER_SHIFT) / i586_freq;
+			<< TSC_COMULTIPLIER_SHIFT) / i8254_freq;
+	multiplier = (1000000LL << TSC_MULTIPLIER_SHIFT) / i586_freq;
 	ef = read_eflags();
 	disable_intr();
-	i586_ctr_freq = i586_freq;
-	i586_ctr_comultiplier = comultiplier;
-	i586_ctr_multiplier = multiplier;
+	tsc_freq = i586_freq;
+	tsc_comultiplier = comultiplier;
+	tsc_multiplier = multiplier;
 	CLOCK_UNLOCK();
 	write_eflags(ef);
 }
@@ -1029,10 +1029,10 @@ sysctl_machdep_i586_freq SYSCTL_HANDLER_ARGS
 
 	if (cpu_class != CPUCLASS_586 && cpu_class != CPUCLASS_686)
 		return (EOPNOTSUPP);
-	freq = i586_ctr_freq;
+	freq = tsc_freq;
 	error = sysctl_handle_opaque(oidp, &freq, sizeof freq, req);
 	if (error == 0 && req->newptr != NULL)
-		set_i586_ctr_freq(freq, timer_freq);
+		set_tsc_freq(freq, timer_freq);
 	return (error);
 }
 

sys/i386/include/asnames.h

@@ -23,7 +23,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id: asnames.h,v 1.11 1997/12/08 22:56:39 fsmp Exp $
+ * $Id: asnames.h,v 1.12 1997/12/18 02:09:29 peter Exp $
  */
 
 #ifndef _MACHINE_ASNAMES_H_
@@ -234,9 +234,9 @@
 #define _get_isrlock			get_isrlock
 #define _get_mplock			get_mplock
 #define _get_syscall_lock		get_syscall_lock
-#define _i586_ctr_bias			i586_ctr_bias
-#define _i586_ctr_freq			i586_ctr_freq
-#define _i586_ctr_multiplier		i586_ctr_multiplier
+#define _tsc_bias			tsc_bias
+#define _tsc_freq			tsc_freq
+#define _tsc_multiplier		tsc_multiplier
 #define _idqs				idqs
 #define _imen				imen
 #define _imen_lock			imen_lock

sys/i386/include/clock.h

@@ -3,7 +3,7 @@
  * Garrett Wollman, September 1994.
  * This file is in the public domain.
  *
- *	$Id: clock.h,v 1.26 1997/05/04 14:25:00 peter Exp $
+ *	$Id: clock.h,v 1.27 1997/05/05 09:34:33 peter Exp $
  */
 
 #ifndef _MACHINE_CLOCK_H_
@@ -17,8 +17,8 @@
 
 #define CPU_THISTICKLEN(dflt) dflt
 
-#define	I586_CTR_COMULTIPLIER_SHIFT	20
-#define	I586_CTR_MULTIPLIER_SHIFT	32
+#define	TSC_COMULTIPLIER_SHIFT	20
+#define	TSC_MULTIPLIER_SHIFT	32
 
 #ifdef KERNEL
 /*
@@ -30,12 +30,12 @@ extern int	adjkerntz;
 extern int	disable_rtc_set;
 #if defined(I586_CPU) || defined(I686_CPU)
 #ifndef SMP
-extern u_int	i586_ctr_bias;
-extern u_int	i586_ctr_comultiplier;
+extern u_int	tsc_bias;
+extern u_int	tsc_comultiplier;
 #endif
-extern u_int	i586_ctr_freq;
+extern u_int	tsc_freq;
 #ifndef SMP
-extern u_int	i586_ctr_multiplier;
+extern u_int	tsc_multiplier;
 #endif
 #endif
 extern int	statclock_disable;
@@ -87,8 +87,8 @@ clock_latency(void)
 
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
 /*
- * When we update `time', on i586's we also update `i586_ctr_bias'
- * atomically.  `i586_ctr_bias' is the best available approximation to
+ * When we update `time', on i586's we also update `tsc_bias'
+ * atomically.  `tsc_bias' is the best available approximation to
  * the value of the i586 counter (mod 2^32) at the time of the i8254
  * counter transition that caused the clock interrupt that caused the
  * update.  clock_latency() gives the time between the transition and
@@ -100,18 +100,18 @@ clock_latency(void)
 static __inline void
 cpu_clockupdate(volatile struct timeval *otime, struct timeval *ntime)
 {
-	if (i586_ctr_freq != 0) {
+	if (tsc_freq != 0) {
 		u_int i586_count;	/* truncated */
 		u_int i8254_count;
 
 		disable_intr();
 		i8254_count = clock_latency();
 		i586_count = rdtsc();
-		i586_ctr_bias = i586_count
+		tsc_bias = i586_count
 				- (u_int)
-				  (((unsigned long long)i586_ctr_comultiplier
+				  (((unsigned long long)tsc_comultiplier
 				    * i8254_count)
-				   >> I586_CTR_COMULTIPLIER_SHIFT);
+				   >> TSC_COMULTIPLIER_SHIFT);
 		*otime = *ntime;
 		enable_intr();
 	} else

sys/i386/isa/clock.c

@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)clock.c	7.2 (Berkeley) 5/12/91
- *	$Id: clock.c,v 1.103 1997/10/28 11:43:57 bde Exp $
+ *	$Id: clock.c,v 1.104 1997/11/18 11:16:56 bde Exp $
  */
 
 /*
@@ -118,12 +118,12 @@ int	disable_rtc_set;	/* disable resettodr() if != 0 */
 u_int	idelayed;
 #if defined(I586_CPU) || defined(I686_CPU)
 #ifndef SMP
-u_int	i586_ctr_bias;
-u_int	i586_ctr_comultiplier;
+u_int	tsc_bias;
+u_int	tsc_comultiplier;
 #endif
-u_int	i586_ctr_freq;
+u_int	tsc_freq;
 #ifndef SMP
-u_int	i586_ctr_multiplier;
+u_int	tsc_multiplier;
 #endif
 #endif
 int	statclock_disable;
@@ -164,7 +164,7 @@ static	u_char	timer2_state;
 static	void	(*timer_func) __P((struct clockframe *frame)) = hardclock;
 
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-static	void	set_i586_ctr_freq(u_int i586_freq, u_int i8254_freq);
+static	void	set_tsc_freq(u_int i586_freq, u_int i8254_freq);
 #endif
 static	void	set_timer_freq(u_int freq, int intr_freq);
 
@@ -613,9 +613,9 @@ calibrate_clocks(void)
 	 * similar to those for the i8254 clock.
 	 */
 	if (cpu_class == CPUCLASS_586 || cpu_class == CPUCLASS_686) {
-		set_i586_ctr_freq((u_int)rdtsc(), tot_count);
+		set_tsc_freq((u_int)rdtsc(), tot_count);
 		if (bootverbose)
-		        printf("i586 clock: %u Hz, ", i586_ctr_freq);
+		        printf("TSC clock: %u Hz, ", tsc_freq);
 	}
 #endif
 
@@ -690,22 +690,22 @@ startrtclock()
 		    "%d Hz differs from default of %d Hz by more than 1%%\n",
 			       freq, timer_freq);
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-		i586_ctr_freq = 0;
+		tsc_freq = 0;
 #endif
 	}
 
 	set_timer_freq(timer_freq, hz);
 
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-#ifndef CLK_USE_I586_CALIBRATION
-	if (i586_ctr_freq != 0) {
+#ifndef CLK_USE_TSC_CALIBRATION
+	if (tsc_freq != 0) {
 		if (bootverbose)
 			printf(
-"CLK_USE_I586_CALIBRATION not specified - using old calibration method\n");
-		i586_ctr_freq = 0;
+"CLK_USE_TSC_CALIBRATION not specified - using old calibration method\n");
+		tsc_freq = 0;
 	}
 #endif
-	if (i586_ctr_freq == 0 &&
+	if (tsc_freq == 0 &&
 	    (cpu_class == CPUCLASS_586 || cpu_class == CPUCLASS_686)) {
 		/*
 		 * Calibration of the i586 clock relative to the mc146818A
@@ -714,10 +714,10 @@ startrtclock()
 		 */
 		wrmsr(0x10, 0LL);	/* XXX */
 		DELAY(1000000);
-		set_i586_ctr_freq((u_int)rdtsc(), timer_freq);
+		set_tsc_freq((u_int)rdtsc(), timer_freq);
 #ifdef CLK_USE_I586_CALIBRATION
 		if (bootverbose)
-			printf("i586 clock: %u Hz\n", i586_ctr_freq);
+			printf("TSC clock: %u Hz\n", tsc_freq);
 #endif
 	}
 #endif
@@ -929,8 +929,8 @@ cpu_initclocks()
 	/*
 	 * Finish setting up anti-jitter measures.
 	 */
-	if (i586_ctr_freq != 0)
-		i586_ctr_bias = rdtsc();
+	if (tsc_freq != 0)
+		tsc_bias = rdtsc();
 #endif
 
 	/* Initialize RTC. */
@@ -989,7 +989,7 @@ sysctl_machdep_i8254_freq SYSCTL_HANDLER_ARGS
 			return (EBUSY);	/* too much trouble to handle */
 		set_timer_freq(freq, hz);
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-		set_i586_ctr_freq(i586_ctr_freq, timer_freq);
+		set_tsc_freq(tsc_freq, timer_freq);
 #endif
 	}
 	return (error);
@@ -1000,23 +1000,23 @@ SYSCTL_PROC(_machdep, OID_AUTO, i8254_freq, CTLTYPE_INT | CTLFLAG_RW,
 
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
 static void
-set_i586_ctr_freq(u_int i586_freq, u_int i8254_freq)
+set_tsc_freq(u_int i586_freq, u_int i8254_freq)
 {
 	u_int comultiplier, multiplier;
 	u_long ef;
 
 	if (i586_freq == 0) {
-		i586_ctr_freq = i586_freq;
+		tsc_freq = i586_freq;
 		return;
 	}
 	comultiplier = ((unsigned long long)i586_freq
-			<< I586_CTR_COMULTIPLIER_SHIFT) / i8254_freq;
-	multiplier = (1000000LL << I586_CTR_MULTIPLIER_SHIFT) / i586_freq;
+			<< TSC_COMULTIPLIER_SHIFT) / i8254_freq;
+	multiplier = (1000000LL << TSC_MULTIPLIER_SHIFT) / i586_freq;
 	ef = read_eflags();
 	disable_intr();
-	i586_ctr_freq = i586_freq;
-	i586_ctr_comultiplier = comultiplier;
-	i586_ctr_multiplier = multiplier;
+	tsc_freq = i586_freq;
+	tsc_comultiplier = comultiplier;
+	tsc_multiplier = multiplier;
 	CLOCK_UNLOCK();
 	write_eflags(ef);
 }
@@ -1029,10 +1029,10 @@ sysctl_machdep_i586_freq SYSCTL_HANDLER_ARGS
 
 	if (cpu_class != CPUCLASS_586 && cpu_class != CPUCLASS_686)
 		return (EOPNOTSUPP);
-	freq = i586_ctr_freq;
+	freq = tsc_freq;
 	error = sysctl_handle_opaque(oidp, &freq, sizeof freq, req);
 	if (error == 0 && req->newptr != NULL)
-		set_i586_ctr_freq(freq, timer_freq);
+		set_tsc_freq(freq, timer_freq);
 	return (error);
 }
 

sys/i386/isa/prof_machdep.c

@@ -23,7 +23,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id: prof_machdep.c,v 1.6 1997/02/22 09:36:59 peter Exp $
+ *	$Id: prof_machdep.c,v 1.7 1997/11/24 18:16:23 bde Exp $
  */
 
 #ifdef GUPROF
@@ -51,7 +51,7 @@
 #ifdef GUPROF
 #define	CPUTIME_CLOCK_UNINITIALIZED	0
 #define	CPUTIME_CLOCK_I8254		1
-#define	CPUTIME_CLOCK_I586_CTR		2
+#define	CPUTIME_CLOCK_TSC		2
 #define	CPUTIME_CLOCK_I586_PMC		3
 #define	CPUTIME_CLOCK_I8254_SHIFT	7
 
@@ -177,7 +177,7 @@ cputime()
 	static u_int prev_count;
 
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-	if (cputime_clock == CPUTIME_CLOCK_I586_CTR) {
+	if (cputime_clock == CPUTIME_CLOCK_TSC) {
 		count = (u_int)rdtsc();
 		delta = (int)(count - prev_count);
 		prev_count = count;
@@ -279,14 +279,14 @@ startguprof(gp)
 	if (cputime_clock == CPUTIME_CLOCK_UNINITIALIZED) {
 		cputime_clock = CPUTIME_CLOCK_I8254;
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-		if (i586_ctr_freq != 0)
-			cputime_clock = CPUTIME_CLOCK_I586_CTR;
+		if (tsc_freq != 0)
+			cputime_clock = CPUTIME_CLOCK_TSC;
 #endif
 	}
 	gp->profrate = timer_freq << CPUTIME_CLOCK_I8254_SHIFT;
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-	if (cputime_clock == CPUTIME_CLOCK_I586_CTR)
-		gp->profrate = i586_ctr_freq;
+	if (cputime_clock == CPUTIME_CLOCK_TSC)
+		gp->profrate = tsc_freq;
 #if defined(PERFMON) && defined(I586_PMC_GUPROF)
 	else if (cputime_clock == CPUTIME_CLOCK_I586_PMC) {
 		if (perfmon_avail() &&

sys/i386/isa/random_machdep.c

@@ -1,7 +1,7 @@
 /*
  * random_machdep.c -- A strong random number generator
  *
- * $Id: random_machdep.c,v 1.18 1997/09/14 03:19:15 peter Exp $
+ * $Id: random_machdep.c,v 1.19 1997/10/28 15:58:13 bde Exp $
  *
  * Version 0.95, last modified 18-Oct-95
  * 
@@ -191,7 +191,7 @@ add_timer_randomness(struct random_bucket *r, struct timer_rand_state *state,
 	u_int32_t	time;
 
 #if defined(I586_CPU) || defined(I686_CPU)
-	if (i586_ctr_freq != 0) {
+	if (tsc_freq != 0) {
 		num ^= (u_int32_t) rdtsc() << 16;
 		r->entropy_count += 2;
 	} else {

sys/isa/atrtc.c

@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)clock.c	7.2 (Berkeley) 5/12/91
- *	$Id: clock.c,v 1.103 1997/10/28 11:43:57 bde Exp $
+ *	$Id: clock.c,v 1.104 1997/11/18 11:16:56 bde Exp $
  */
 
 /*
@@ -118,12 +118,12 @@ int	disable_rtc_set;	/* disable resettodr() if != 0 */
 u_int	idelayed;
 #if defined(I586_CPU) || defined(I686_CPU)
 #ifndef SMP
-u_int	i586_ctr_bias;
-u_int	i586_ctr_comultiplier;
+u_int	tsc_bias;
+u_int	tsc_comultiplier;
 #endif
-u_int	i586_ctr_freq;
+u_int	tsc_freq;
 #ifndef SMP
-u_int	i586_ctr_multiplier;
+u_int	tsc_multiplier;
 #endif
 #endif
 int	statclock_disable;
@@ -164,7 +164,7 @@ static	u_char	timer2_state;
 static	void	(*timer_func) __P((struct clockframe *frame)) = hardclock;
 
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-static	void	set_i586_ctr_freq(u_int i586_freq, u_int i8254_freq);
+static	void	set_tsc_freq(u_int i586_freq, u_int i8254_freq);
 #endif
 static	void	set_timer_freq(u_int freq, int intr_freq);
 
@@ -613,9 +613,9 @@ calibrate_clocks(void)
 	 * similar to those for the i8254 clock.
 	 */
 	if (cpu_class == CPUCLASS_586 || cpu_class == CPUCLASS_686) {
-		set_i586_ctr_freq((u_int)rdtsc(), tot_count);
+		set_tsc_freq((u_int)rdtsc(), tot_count);
 		if (bootverbose)
-		        printf("i586 clock: %u Hz, ", i586_ctr_freq);
+		        printf("TSC clock: %u Hz, ", tsc_freq);
 	}
 #endif
 
@@ -690,22 +690,22 @@ startrtclock()
 		    "%d Hz differs from default of %d Hz by more than 1%%\n",
 			       freq, timer_freq);
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-		i586_ctr_freq = 0;
+		tsc_freq = 0;
 #endif
 	}
 
 	set_timer_freq(timer_freq, hz);
 
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-#ifndef CLK_USE_I586_CALIBRATION
-	if (i586_ctr_freq != 0) {
+#ifndef CLK_USE_TSC_CALIBRATION
+	if (tsc_freq != 0) {
 		if (bootverbose)
 			printf(
-"CLK_USE_I586_CALIBRATION not specified - using old calibration method\n");
-		i586_ctr_freq = 0;
+"CLK_USE_TSC_CALIBRATION not specified - using old calibration method\n");
+		tsc_freq = 0;
 	}
 #endif
-	if (i586_ctr_freq == 0 &&
+	if (tsc_freq == 0 &&
 	    (cpu_class == CPUCLASS_586 || cpu_class == CPUCLASS_686)) {
 		/*
 		 * Calibration of the i586 clock relative to the mc146818A
@@ -714,10 +714,10 @@ startrtclock()
 		 */
 		wrmsr(0x10, 0LL);	/* XXX */
 		DELAY(1000000);
-		set_i586_ctr_freq((u_int)rdtsc(), timer_freq);
+		set_tsc_freq((u_int)rdtsc(), timer_freq);
 #ifdef CLK_USE_I586_CALIBRATION
 		if (bootverbose)
-			printf("i586 clock: %u Hz\n", i586_ctr_freq);
+			printf("TSC clock: %u Hz\n", tsc_freq);
 #endif
 	}
 #endif
@@ -929,8 +929,8 @@ cpu_initclocks()
 	/*
 	 * Finish setting up anti-jitter measures.
 	 */
-	if (i586_ctr_freq != 0)
-		i586_ctr_bias = rdtsc();
+	if (tsc_freq != 0)
+		tsc_bias = rdtsc();
 #endif
 
 	/* Initialize RTC. */
@@ -989,7 +989,7 @@ sysctl_machdep_i8254_freq SYSCTL_HANDLER_ARGS
 			return (EBUSY);	/* too much trouble to handle */
 		set_timer_freq(freq, hz);
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-		set_i586_ctr_freq(i586_ctr_freq, timer_freq);
+		set_tsc_freq(tsc_freq, timer_freq);
 #endif
 	}
 	return (error);
@@ -1000,23 +1000,23 @@ SYSCTL_PROC(_machdep, OID_AUTO, i8254_freq, CTLTYPE_INT | CTLFLAG_RW,
 
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
 static void
-set_i586_ctr_freq(u_int i586_freq, u_int i8254_freq)
+set_tsc_freq(u_int i586_freq, u_int i8254_freq)
 {
 	u_int comultiplier, multiplier;
 	u_long ef;
 
 	if (i586_freq == 0) {
-		i586_ctr_freq = i586_freq;
+		tsc_freq = i586_freq;
 		return;
 	}
 	comultiplier = ((unsigned long long)i586_freq
-			<< I586_CTR_COMULTIPLIER_SHIFT) / i8254_freq;
-	multiplier = (1000000LL << I586_CTR_MULTIPLIER_SHIFT) / i586_freq;
+			<< TSC_COMULTIPLIER_SHIFT) / i8254_freq;
+	multiplier = (1000000LL << TSC_MULTIPLIER_SHIFT) / i586_freq;
 	ef = read_eflags();
 	disable_intr();
-	i586_ctr_freq = i586_freq;
-	i586_ctr_comultiplier = comultiplier;
-	i586_ctr_multiplier = multiplier;
+	tsc_freq = i586_freq;
+	tsc_comultiplier = comultiplier;
+	tsc_multiplier = multiplier;
 	CLOCK_UNLOCK();
 	write_eflags(ef);
 }
@@ -1029,10 +1029,10 @@ sysctl_machdep_i586_freq SYSCTL_HANDLER_ARGS
 
 	if (cpu_class != CPUCLASS_586 && cpu_class != CPUCLASS_686)
 		return (EOPNOTSUPP);
-	freq = i586_ctr_freq;
+	freq = tsc_freq;
 	error = sysctl_handle_opaque(oidp, &freq, sizeof freq, req);
 	if (error == 0 && req->newptr != NULL)
-		set_i586_ctr_freq(freq, timer_freq);
+		set_tsc_freq(freq, timer_freq);
 	return (error);
 }
 

sys/kern/kern_random.c

@@ -1,7 +1,7 @@
 /*
  * random_machdep.c -- A strong random number generator
  *
- * $Id: random_machdep.c,v 1.18 1997/09/14 03:19:15 peter Exp $
+ * $Id: random_machdep.c,v 1.19 1997/10/28 15:58:13 bde Exp $
  *
  * Version 0.95, last modified 18-Oct-95
  * 
@@ -191,7 +191,7 @@ add_timer_randomness(struct random_bucket *r, struct timer_rand_state *state,
 	u_int32_t	time;
 
 #if defined(I586_CPU) || defined(I686_CPU)
-	if (i586_ctr_freq != 0) {
+	if (tsc_freq != 0) {
 		num ^= (u_int32_t) rdtsc() << 16;
 		r->entropy_count += 2;
 	} else {

sys/pc98/cbus/clock.c

@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)clock.c	7.2 (Berkeley) 5/12/91
- *	$Id: clock.c,v 1.36 1997/10/28 14:30:46 kato Exp $
+ *	$Id: clock.c,v 1.37 1997/11/19 11:35:22 kato Exp $
  */
 
 /*
@@ -128,12 +128,12 @@ int	disable_rtc_set;	/* disable resettodr() if != 0 */
 u_int	idelayed;
 #if defined(I586_CPU) || defined(I686_CPU)
 #ifndef SMP
-u_int	i586_ctr_bias;
-u_int	i586_ctr_comultiplier;
+u_int	tsc_bias;
+u_int	tsc_comultiplier;
 #endif
-u_int	i586_ctr_freq;
+u_int	tsc_freq;
 #ifndef SMP
-u_int	i586_ctr_multiplier;
+u_int	tsc_multiplier;
 #endif
 #endif
 int	statclock_disable;
@@ -197,7 +197,7 @@ static void rtc_outb __P((int));
 #endif
 
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-static	void	set_i586_ctr_freq(u_int i586_freq, u_int i8254_freq);
+static	void	set_tsc_freq(u_int i586_freq, u_int i8254_freq);
 #endif
 static	void	set_timer_freq(u_int freq, int intr_freq);
 
@@ -754,9 +754,9 @@ calibrate_clocks(void)
 	 * similar to those for the i8254 clock.
 	 */
 	if (cpu_class == CPUCLASS_586 || cpu_class == CPUCLASS_686) {
-		set_i586_ctr_freq((u_int)rdtsc(), tot_count);
+		set_tsc_freq((u_int)rdtsc(), tot_count);
 		if (bootverbose)
-		        printf("i586 clock: %u Hz, ", i586_ctr_freq);
+		        printf("i586 clock: %u Hz, ", tsc_freq);
 	}
 #endif
 
@@ -855,7 +855,7 @@ startrtclock()
 		    "%d Hz differs from default of %d Hz by more than 1%%\n",
 			       freq, timer_freq);
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-		i586_ctr_freq = 0;
+		tsc_freq = 0;
 #endif
 	}
 #endif
@@ -864,14 +864,14 @@ startrtclock()
 
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
 #ifndef CLK_USE_I586_CALIBRATION
-	if (i586_ctr_freq != 0) {
+	if (tsc_freq != 0) {
 		if (bootverbose)
 			printf(
 "CLK_USE_I586_CALIBRATION not specified - using old calibration method\n");
-		i586_ctr_freq = 0;
+		tsc_freq = 0;
 	}
 #endif
-	if (i586_ctr_freq == 0 &&
+	if (tsc_freq == 0 &&
 	    (cpu_class == CPUCLASS_586 || cpu_class == CPUCLASS_686)) {
 		/*
 		 * Calibration of the i586 clock relative to the mc146818A
@@ -880,10 +880,10 @@ startrtclock()
 		 */
 		wrmsr(0x10, 0LL);	/* XXX */
 		DELAY(1000000);
-		set_i586_ctr_freq((u_int)rdtsc(), timer_freq);
+		set_tsc_freq((u_int)rdtsc(), timer_freq);
 #ifdef CLK_USE_I586_CALIBRATION
 		if (bootverbose)
-			printf("i586 clock: %u Hz\n", i586_ctr_freq);
+			printf("i586 clock: %u Hz\n", tsc_freq);
 #endif
 	}
 #endif
@@ -1233,8 +1233,8 @@ cpu_initclocks()
 	/*
 	 * Finish setting up anti-jitter measures.
 	 */
-	if (i586_ctr_freq != 0)
-		i586_ctr_bias = rdtsc();
+	if (tsc_freq != 0)
+		tsc_bias = rdtsc();
 #endif
 
 #ifndef PC98
@@ -1297,7 +1297,7 @@ sysctl_machdep_i8254_freq SYSCTL_HANDLER_ARGS
 			return (EBUSY);	/* too much trouble to handle */
 		set_timer_freq(freq, hz);
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-		set_i586_ctr_freq(i586_ctr_freq, timer_freq);
+		set_tsc_freq(tsc_freq, timer_freq);
 #endif
 	}
 	return (error);
@@ -1308,23 +1308,23 @@ SYSCTL_PROC(_machdep, OID_AUTO, i8254_freq, CTLTYPE_INT | CTLFLAG_RW,
 
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
 static void
-set_i586_ctr_freq(u_int i586_freq, u_int i8254_freq)
+set_tsc_freq(u_int i586_freq, u_int i8254_freq)
 {
 	u_int comultiplier, multiplier;
 	u_long ef;
 
 	if (i586_freq == 0) {
-		i586_ctr_freq = i586_freq;
+		tsc_freq = i586_freq;
 		return;
 	}
 	comultiplier = ((unsigned long long)i586_freq
-			<< I586_CTR_COMULTIPLIER_SHIFT) / i8254_freq;
-	multiplier = (1000000LL << I586_CTR_MULTIPLIER_SHIFT) / i586_freq;
+			<< TSC_COMULTIPLIER_SHIFT) / i8254_freq;
+	multiplier = (1000000LL << TSC_MULTIPLIER_SHIFT) / i586_freq;
 	ef = read_eflags();
 	disable_intr();
-	i586_ctr_freq = i586_freq;
-	i586_ctr_comultiplier = comultiplier;
-	i586_ctr_multiplier = multiplier;
+	tsc_freq = i586_freq;
+	tsc_comultiplier = comultiplier;
+	tsc_multiplier = multiplier;
 	CLOCK_UNLOCK();
 	write_eflags(ef);
 }
@@ -1337,10 +1337,10 @@ sysctl_machdep_i586_freq SYSCTL_HANDLER_ARGS
 
 	if (cpu_class != CPUCLASS_586 && cpu_class != CPUCLASS_686)
 		return (EOPNOTSUPP);
-	freq = i586_ctr_freq;
+	freq = tsc_freq;
 	error = sysctl_handle_opaque(oidp, &freq, sizeof freq, req);
 	if (error == 0 && req->newptr != NULL)
-		set_i586_ctr_freq(freq, timer_freq);
+		set_tsc_freq(freq, timer_freq);
 	return (error);
 }
 

sys/pc98/cbus/pcrtc.c

@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)clock.c	7.2 (Berkeley) 5/12/91
- *	$Id: clock.c,v 1.36 1997/10/28 14:30:46 kato Exp $
+ *	$Id: clock.c,v 1.37 1997/11/19 11:35:22 kato Exp $
  */
 
 /*
@@ -128,12 +128,12 @@ int	disable_rtc_set;	/* disable resettodr() if != 0 */
 u_int	idelayed;
 #if defined(I586_CPU) || defined(I686_CPU)
 #ifndef SMP
-u_int	i586_ctr_bias;
-u_int	i586_ctr_comultiplier;
+u_int	tsc_bias;
+u_int	tsc_comultiplier;
 #endif
-u_int	i586_ctr_freq;
+u_int	tsc_freq;
 #ifndef SMP
-u_int	i586_ctr_multiplier;
+u_int	tsc_multiplier;
 #endif
 #endif
 int	statclock_disable;
@@ -197,7 +197,7 @@ static void rtc_outb __P((int));
 #endif
 
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-static	void	set_i586_ctr_freq(u_int i586_freq, u_int i8254_freq);
+static	void	set_tsc_freq(u_int i586_freq, u_int i8254_freq);
 #endif
 static	void	set_timer_freq(u_int freq, int intr_freq);
 
@@ -754,9 +754,9 @@ calibrate_clocks(void)
 	 * similar to those for the i8254 clock.
 	 */
 	if (cpu_class == CPUCLASS_586 || cpu_class == CPUCLASS_686) {
-		set_i586_ctr_freq((u_int)rdtsc(), tot_count);
+		set_tsc_freq((u_int)rdtsc(), tot_count);
 		if (bootverbose)
-		        printf("i586 clock: %u Hz, ", i586_ctr_freq);
+		        printf("i586 clock: %u Hz, ", tsc_freq);
 	}
 #endif
 
@@ -855,7 +855,7 @@ startrtclock()
 		    "%d Hz differs from default of %d Hz by more than 1%%\n",
 			       freq, timer_freq);
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-		i586_ctr_freq = 0;
+		tsc_freq = 0;
 #endif
 	}
 #endif
@@ -864,14 +864,14 @@ startrtclock()
 
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
 #ifndef CLK_USE_I586_CALIBRATION
-	if (i586_ctr_freq != 0) {
+	if (tsc_freq != 0) {
 		if (bootverbose)
 			printf(
 "CLK_USE_I586_CALIBRATION not specified - using old calibration method\n");
-		i586_ctr_freq = 0;
+		tsc_freq = 0;
 	}
 #endif
-	if (i586_ctr_freq == 0 &&
+	if (tsc_freq == 0 &&
 	    (cpu_class == CPUCLASS_586 || cpu_class == CPUCLASS_686)) {
 		/*
 		 * Calibration of the i586 clock relative to the mc146818A
@@ -880,10 +880,10 @@ startrtclock()
 		 */
 		wrmsr(0x10, 0LL);	/* XXX */
 		DELAY(1000000);
-		set_i586_ctr_freq((u_int)rdtsc(), timer_freq);
+		set_tsc_freq((u_int)rdtsc(), timer_freq);
 #ifdef CLK_USE_I586_CALIBRATION
 		if (bootverbose)
-			printf("i586 clock: %u Hz\n", i586_ctr_freq);
+			printf("i586 clock: %u Hz\n", tsc_freq);
 #endif
 	}
 #endif
@@ -1233,8 +1233,8 @@ cpu_initclocks()
 	/*
 	 * Finish setting up anti-jitter measures.
 	 */
-	if (i586_ctr_freq != 0)
-		i586_ctr_bias = rdtsc();
+	if (tsc_freq != 0)
+		tsc_bias = rdtsc();
 #endif
 
 #ifndef PC98
@@ -1297,7 +1297,7 @@ sysctl_machdep_i8254_freq SYSCTL_HANDLER_ARGS
 			return (EBUSY);	/* too much trouble to handle */
 		set_timer_freq(freq, hz);
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-		set_i586_ctr_freq(i586_ctr_freq, timer_freq);
+		set_tsc_freq(tsc_freq, timer_freq);
 #endif
 	}
 	return (error);
@@ -1308,23 +1308,23 @@ SYSCTL_PROC(_machdep, OID_AUTO, i8254_freq, CTLTYPE_INT | CTLFLAG_RW,
 
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
 static void
-set_i586_ctr_freq(u_int i586_freq, u_int i8254_freq)
+set_tsc_freq(u_int i586_freq, u_int i8254_freq)
 {
 	u_int comultiplier, multiplier;
 	u_long ef;
 
 	if (i586_freq == 0) {
-		i586_ctr_freq = i586_freq;
+		tsc_freq = i586_freq;
 		return;
 	}
 	comultiplier = ((unsigned long long)i586_freq
-			<< I586_CTR_COMULTIPLIER_SHIFT) / i8254_freq;
-	multiplier = (1000000LL << I586_CTR_MULTIPLIER_SHIFT) / i586_freq;
+			<< TSC_COMULTIPLIER_SHIFT) / i8254_freq;
+	multiplier = (1000000LL << TSC_MULTIPLIER_SHIFT) / i586_freq;
 	ef = read_eflags();
 	disable_intr();
-	i586_ctr_freq = i586_freq;
-	i586_ctr_comultiplier = comultiplier;
-	i586_ctr_multiplier = multiplier;
+	tsc_freq = i586_freq;
+	tsc_comultiplier = comultiplier;
+	tsc_multiplier = multiplier;
 	CLOCK_UNLOCK();
 	write_eflags(ef);
 }
@@ -1337,10 +1337,10 @@ sysctl_machdep_i586_freq SYSCTL_HANDLER_ARGS
 
 	if (cpu_class != CPUCLASS_586 && cpu_class != CPUCLASS_686)
 		return (EOPNOTSUPP);
-	freq = i586_ctr_freq;
+	freq = tsc_freq;
 	error = sysctl_handle_opaque(oidp, &freq, sizeof freq, req);
 	if (error == 0 && req->newptr != NULL)
-		set_i586_ctr_freq(freq, timer_freq);
+		set_tsc_freq(freq, timer_freq);
 	return (error);
 }
 

sys/pc98/conf/options.pc98

@@ -1,4 +1,4 @@
-#	$Id: options.pc98,v 1.43 1997/12/05 11:51:29 kato Exp $
+#	$Id: options.pc98,v 1.44 1997/12/10 09:28:59 kato Exp $
 BOUNCEPAGES		opt_bounce.h
 USER_LDT
 MATH_EMULATE		opt_math_emulate.h
@@ -23,7 +23,7 @@ COM_ESP			opt_sio.h
 COM_MULTIPORT		opt_sio.h
 DSI_SOFT_MODEM		opt_sio.h
 EXTRA_SIO		opt_sio.h
-I586_CTR_GUPROF		opt_i586_guprof.h
+TSC_GUPROF		opt_i586_guprof.h
 I586_PMC_GUPROF		opt_i586_guprof.h
 WLCACHE			opt_wavelan.h
 WLDEBUG			opt_wavelan.h

sys/pc98/i386/microtime.s

@@ -32,7 +32,7 @@
  * SUCH DAMAGE.
  *
  *	from: Steve McCanne's microtime code
- *	$Id: microtime.s,v 1.18 1997/10/29 08:13:32 kato Exp $
+ *	$Id: microtime.s,v 1.19 1997/12/15 08:37:13 kato Exp $
  */
 
 #include <machine/asmacros.h>
@@ -52,7 +52,7 @@
 ENTRY(microtime)
 
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-	movl	_i586_ctr_freq, %ecx
+	movl	_tsc_freq, %ecx
 	testl	%ecx, %ecx
 	jne	pentium_microtime
 #else
@@ -293,8 +293,8 @@ pentium_microtime:
 	pushfl
 	cli
 	.byte	0x0f, 0x31	/* RDTSC */
-	subl	_i586_ctr_bias, %eax
-	mull	_i586_ctr_multiplier
+	subl	_tsc_bias, %eax
+	mull	_tsc_multiplier
 	movl	%edx, %eax
 	jmp	common_microtime
 #endif

sys/pc98/pc98/clock.c

@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)clock.c	7.2 (Berkeley) 5/12/91
- *	$Id: clock.c,v 1.36 1997/10/28 14:30:46 kato Exp $
+ *	$Id: clock.c,v 1.37 1997/11/19 11:35:22 kato Exp $
  */
 
 /*
@@ -128,12 +128,12 @@ int	disable_rtc_set;	/* disable resettodr() if != 0 */
 u_int	idelayed;
 #if defined(I586_CPU) || defined(I686_CPU)
 #ifndef SMP
-u_int	i586_ctr_bias;
-u_int	i586_ctr_comultiplier;
+u_int	tsc_bias;
+u_int	tsc_comultiplier;
 #endif
-u_int	i586_ctr_freq;
+u_int	tsc_freq;
 #ifndef SMP
-u_int	i586_ctr_multiplier;
+u_int	tsc_multiplier;
 #endif
 #endif
 int	statclock_disable;
@@ -197,7 +197,7 @@ static void rtc_outb __P((int));
 #endif
 
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-static	void	set_i586_ctr_freq(u_int i586_freq, u_int i8254_freq);
+static	void	set_tsc_freq(u_int i586_freq, u_int i8254_freq);
 #endif
 static	void	set_timer_freq(u_int freq, int intr_freq);
 
@@ -754,9 +754,9 @@ calibrate_clocks(void)
 	 * similar to those for the i8254 clock.
 	 */
 	if (cpu_class == CPUCLASS_586 || cpu_class == CPUCLASS_686) {
-		set_i586_ctr_freq((u_int)rdtsc(), tot_count);
+		set_tsc_freq((u_int)rdtsc(), tot_count);
 		if (bootverbose)
-		        printf("i586 clock: %u Hz, ", i586_ctr_freq);
+		        printf("i586 clock: %u Hz, ", tsc_freq);
 	}
 #endif
 
@@ -855,7 +855,7 @@ startrtclock()
 		    "%d Hz differs from default of %d Hz by more than 1%%\n",
 			       freq, timer_freq);
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-		i586_ctr_freq = 0;
+		tsc_freq = 0;
 #endif
 	}
 #endif
@@ -864,14 +864,14 @@ startrtclock()
 
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
 #ifndef CLK_USE_I586_CALIBRATION
-	if (i586_ctr_freq != 0) {
+	if (tsc_freq != 0) {
 		if (bootverbose)
 			printf(
 "CLK_USE_I586_CALIBRATION not specified - using old calibration method\n");
-		i586_ctr_freq = 0;
+		tsc_freq = 0;
 	}
 #endif
-	if (i586_ctr_freq == 0 &&
+	if (tsc_freq == 0 &&
 	    (cpu_class == CPUCLASS_586 || cpu_class == CPUCLASS_686)) {
 		/*
 		 * Calibration of the i586 clock relative to the mc146818A
@@ -880,10 +880,10 @@ startrtclock()
 		 */
 		wrmsr(0x10, 0LL);	/* XXX */
 		DELAY(1000000);
-		set_i586_ctr_freq((u_int)rdtsc(), timer_freq);
+		set_tsc_freq((u_int)rdtsc(), timer_freq);
 #ifdef CLK_USE_I586_CALIBRATION
 		if (bootverbose)
-			printf("i586 clock: %u Hz\n", i586_ctr_freq);
+			printf("i586 clock: %u Hz\n", tsc_freq);
 #endif
 	}
 #endif
@@ -1233,8 +1233,8 @@ cpu_initclocks()
 	/*
 	 * Finish setting up anti-jitter measures.
 	 */
-	if (i586_ctr_freq != 0)
-		i586_ctr_bias = rdtsc();
+	if (tsc_freq != 0)
+		tsc_bias = rdtsc();
 #endif
 
 #ifndef PC98
@@ -1297,7 +1297,7 @@ sysctl_machdep_i8254_freq SYSCTL_HANDLER_ARGS
 			return (EBUSY);	/* too much trouble to handle */
 		set_timer_freq(freq, hz);
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
-		set_i586_ctr_freq(i586_ctr_freq, timer_freq);
+		set_tsc_freq(tsc_freq, timer_freq);
 #endif
 	}
 	return (error);
@@ -1308,23 +1308,23 @@ SYSCTL_PROC(_machdep, OID_AUTO, i8254_freq, CTLTYPE_INT | CTLFLAG_RW,
 
 #if (defined(I586_CPU) || defined(I686_CPU)) && !defined(SMP)
 static void
-set_i586_ctr_freq(u_int i586_freq, u_int i8254_freq)
+set_tsc_freq(u_int i586_freq, u_int i8254_freq)
 {
 	u_int comultiplier, multiplier;
 	u_long ef;
 
 	if (i586_freq == 0) {
-		i586_ctr_freq = i586_freq;
+		tsc_freq = i586_freq;
 		return;
 	}
 	comultiplier = ((unsigned long long)i586_freq
-			<< I586_CTR_COMULTIPLIER_SHIFT) / i8254_freq;
-	multiplier = (1000000LL << I586_CTR_MULTIPLIER_SHIFT) / i586_freq;
+			<< TSC_COMULTIPLIER_SHIFT) / i8254_freq;
+	multiplier = (1000000LL << TSC_MULTIPLIER_SHIFT) / i586_freq;
 	ef = read_eflags();
 	disable_intr();
-	i586_ctr_freq = i586_freq;
-	i586_ctr_comultiplier = comultiplier;
-	i586_ctr_multiplier = multiplier;
+	tsc_freq = i586_freq;
+	tsc_comultiplier = comultiplier;
+	tsc_multiplier = multiplier;
 	CLOCK_UNLOCK();
 	write_eflags(ef);
 }
@@ -1337,10 +1337,10 @@ sysctl_machdep_i586_freq SYSCTL_HANDLER_ARGS
 
 	if (cpu_class != CPUCLASS_586 && cpu_class != CPUCLASS_686)
 		return (EOPNOTSUPP);
-	freq = i586_ctr_freq;
+	freq = tsc_freq;
 	error = sysctl_handle_opaque(oidp, &freq, sizeof freq, req);
 	if (error == 0 && req->newptr != NULL)
-		set_i586_ctr_freq(freq, timer_freq);
+		set_tsc_freq(freq, timer_freq);
 	return (error);
 }