4 files changed, 17 insertions(+), 4 deletions(-)

M pc/clock.c
M pc/fns.h
M pc/mem.h
M port/devcons.c

@@ 95,3 95,16 @@ microdelay(int microsecs)
 		microsecs = 1;
 	aamloop(microsecs);
 }
+
+ulong
+TK2MS(ulong ticks)
+{
+	uvlong t, hz;
+
+	t = ticks;
+	hz = HZ;
+	t *= 1000L;
+	t = t/hz;
+	ticks = t;
+	return ticks;
+}

@@ 110,6 110,7 @@ void	vectortable(void);
 void	wrmsr(int, vlong);
 void	wbflush(void);
 int	xchgw(ushort*, int);
+ulong	TK2MS(ulong);				/* ticks to milliseconds */
 
 #define	waserror()	(up->nerrlab++, setlabel(&up->errlab[up->nerrlab-1]))
 #define getcallerpc(x)	(((ulong*)(&x))[-1])

@@ 24,8 24,7 @@
 #define	HZ		(100)			/* clock frequency */
 #define	MS2HZ		(1000/HZ)		/* millisec per clock tick */
 #define	TK2SEC(t)	((t)/HZ)		/* ticks to seconds */
-#define	TK2MS(t)	((t)*MS2HZ)		/* ticks to milliseconds */
-#define	MS2TK(t)	((t)/MS2HZ)		/* milliseconds to ticks */
+#define	MS2TK(t)	(((t)*HZ)/1000)		/* milliseconds to ticks */
 
 /*
  * Fundamental addresses

@@ 604,7 604,7 @@ consread(Chan *c, void *buf, long n, vlong off)
 		return readnum((ulong)offset, buf, n, up->parentpid, NUMSIZE);
 
 	case Qtime:
-		return readnum((ulong)offset, buf, n, rtctime(), 12);
+		return readnum((ulong)offset, buf, n, boottime+TK2SEC(MACHP(0)->ticks), 12);
 
 	case Qclock:
 		k = offset;


@@ 777,7 777,7 @@ conswrite(Chan *c, void *va, long n, vlong off)
 		break;
 
 	case Qtime:
-		if(n<=0 || (boottime != 0 && !iseve()))	/* write once file */
+		if(n<=0 || !iseve())
 			return 0;
 		if(n >= sizeof cbuf)
 			n = sizeof cbuf - 1;