diff -r af6ec97d9189 -r a232af6b0b1f kernel/eka/nkernsmp/arm/ncsched.cia
--- a/kernel/eka/nkernsmp/arm/ncsched.cia	Wed Jun 23 12:52:28 2010 +0100
+++ b/kernel/eka/nkernsmp/arm/ncsched.cia	Wed Jun 23 12:58:21 2010 +0100
@@ -949,15 +949,18 @@
 	asm("cmp	r12, #0 ");
 	asm("bne	0f ");					// initial (i.e. idle) thread, so skip
 	asm("ldr	r3, [r2, #%a0]" : : "i" _FOFF(ArmLocalTimer,iTimerCount));
-	asm("ldr	r12, [r0, #%a0]" : : "i" _FOFF(TSubScheduler,iSSX.iTimerPeriodM));
-	asm("ldr	r2, [r0, #%a0]" : : "i" _FOFF(TSubScheduler,iSSX.iTimerPeriodS));
+	asm("ldr	r12, [r0, #%a0]" : : "i" _FOFF(TSubScheduler,iSSX.iTimerFreqRI.iI.iM));
+	asm("ldr	r2, [r0, #%a0]" : : "i" _FOFF(TSubScheduler,iSSX.iTimerFreqRI.iI.iX));
 	asm("cmp	r3, #0 ");
 	asm("movmi	r0, #0 ");				// if timer count is negative, save zero
 	asm("bmi	1f ");
-	asm("umull	r0, r3, r12, r3 ");		// scale up to max timer clock (R3:R0)
+	asm("mov	r2, r2, lsl #16 ");
+	asm("mov	r2, r2, asr #16 ");
+	asm("umull	r0, r3, r12, r3 ");		// scale up to max timer clock (R3:R0) - need to shift right by -iX
+	asm("rsb	r2, r2, #0 ");
 	asm("rsb	r12, r2, #32 ");
-	asm("movs	r0, r0, lsr r2 ");		// r0 >>= iSSX.iTimerPeriodS, C = last bit shifted off (rounding)
-	asm("orr	r0, r0, r3, lsl r12 ");	// bottom bits from r12 into top bits of r0
+	asm("movs	r0, r0, lsr r2 ");		// r0 >>= iSSX.iTimerFreqRI.iI.iX, C = last bit shifted off (rounding)
+	asm("orr	r0, r0, r3, lsl r12 ");	// bottom bits from r3 into top bits of r0
 	asm("adcs	r0, r0, #0 ");			// round using last bit shifted off
 	asm("1:		");
 	asm("str	r0, [r1, #%a0]" : : "i" _FOFF(NThreadBase,iTime));
@@ -971,103 +974,7 @@
 #error Use of local timer for NKern::Timestamp() no longer supported
 #else
 
-/*	Update aOld's execution time and set up the timer for aNew
-	Update this CPU's timestamp value
-
-	if (!aOld) aOld=iInitialThread
-	if (!aNew) aNew=iInitialThread
-	newcount = aNew->iTime>0 ? Max(aNew->iTime*iSSX.iTimerFreqM/2^(32+iTimerFreqS), 1) : 2^31-1
-	cli()
-	oldcount = timer count
-	if (oldcount<=0 || aOld!=aNew)
-		{
-		timer count = newcount
-		iSSX.iLastTimerSet = newcount
-		if (aOld!=aNew)
-			{
-			TUint64 now = NKern::Timestamp();
-			elapsed = iLastTimestamp -= now;
-			iLastTimestamp = now;
-			aOld->iTotalCpuTime.i64 += elapsed;
-			if (!aOld->iActiveState)
-				aOld->iTotalActiveTime.i64 += (now - aOld->iLastActivationTime.i64);
-			++iReschedCount.i64;
-			++aNew->iRunCount.i64;
-			}
-		}
-	sti()
- */
-__NAKED__ void TSubScheduler::UpdateThreadTimes(NThreadBase* /*aOld*/, NThreadBase* /*aNew*/)
-	{
-	asm("cmp	r2, #0 ");
-	asm("ldreq	r2, [r0, #%a0]" : : "i" _FOFF(TSubScheduler,iInitialThread));
-	asm("ldr	r12, [r0, #%a0]" : : "i" _FOFF(TSubScheduler,iSSX.iTimerFreqM));
-	asm("cmp	r1, #0 ");
-	asm("ldreq	r1, [r0, #%a0]" : : "i" _FOFF(TSubScheduler,iInitialThread));
-	asm("ldr	r3, [r2, #%a0]" : : "i" _FOFF(NThreadBase,iTime));
-	asm("stmfd	sp!, {r4-r7} ");
-	asm("cmp	r1, r2 ");
-	asm("beq	2f ");
-	asm("ldr	r6, [r2, #%a0]" : : "i" _FOFF(NThreadBase,iRunCount.i32[0]));
-	asm("ldr	r7, [r2, #%a0]" : : "i" _FOFF(NThreadBase,iRunCount.i32[1]));
-	asm("adds	r6, r6, #1 ");
-	asm("str	r6, [r2, #%a0]" : : "i" _FOFF(NThreadBase,iRunCount.i32[0]));
-	asm("ldr	r4, [r0, #%a0]" : : "i" _FOFF(TSubScheduler,iReschedCount.i32[0]));
-	asm("ldr	r6, [r0, #%a0]" : : "i" _FOFF(TSubScheduler,iReschedCount.i32[1]));
-	asm("adcs	r7, r7, #0 ");
-	asm("str	r7, [r2, #%a0]" : : "i" _FOFF(NThreadBase,iRunCount.i32[1]));
-	asm("adds	r4, r4, #1 ");
-	asm("adcs	r6, r6, #0 ");
-	asm("str	r4, [r0, #%a0]" : : "i" _FOFF(TSubScheduler,iReschedCount.i32[0]));
-	asm("str	r6, [r0, #%a0]" : : "i" _FOFF(TSubScheduler,iReschedCount.i32[1]));
-	asm("2:		");
-	asm("ldr	r6, [r0, #%a0]" : : "i" _FOFF(TSubScheduler,iSSX.iLocalTimerAddr));
-	asm("cmp	r3, #1 ");					// aNew->iTime > 0 ?
-	asm("movlt	r3, #0x7fffffff ");			// if not, use 2^31-1
-	asm("blt	3f ");
-	asm("cmp	r1, r2 ");					// different thread?
-	asm("beq	0f ");						// no - finish
-	asm("ldr	r5, [r0, #%a0]" : : "i" _FOFF(TSubScheduler,iSSX.iTimerFreqS));
-	asm("umull	r4, r3, r12, r3 ");			// r3:r4 = aNew->iTime * iTimerFreqM
-	asm("adds	r4, r4, r4 ");				// bit 31 into C
-	asm("teq	r5, #0 ");					// check for iTimerFreqS=0 without changing C
-	asm("movnes	r3, r3, lsr r5 ");			// if not, r3>>=iTimerFreqS, last bit shifted out into C
-	asm("adcs	r3, r3, #0 ");				// round using last bit shifted off
-	asm("3:		");
-	asm("str	r3, [r0, #%a0]" : : "i" _FOFF(TSubScheduler,iSSX.iLastTimerSet));
-	asm("str	r3, [r6, #%a0]" : : "i" _FOFF(ArmLocalTimer,iTimerCount));	// set new timeslice value in timer
-
-	asm("ldr	r6, [r0, #%a0]" : : "i" _FOFF(TSubScheduler,iLastTimestamp.i32[0]));
-	asm("ldr	r7, [r0, #%a0]" : : "i" _FOFF(TSubScheduler,iLastTimestamp.i32[1]));
-	asm("stmfd	sp!, {r0-r2,lr} ");
-	asm("bl		Timestamp__5NKern ");		// R1:R0 = current time
-	asm("mov	r4, r0 ");
-	asm("mov	r5, r1 ");					// R5:R4 = current time
-	asm("ldmfd	sp!, {r0-r2,lr} ");
-	asm("str	r4, [r0, #%a0]" : : "i" _FOFF(TSubScheduler,iLastTimestamp.i32[0]));
-	asm("ldr	r3, [r1, #%a0]!" : : "i" _FOFF(NThreadBase,iTotalCpuTime.i64));
-	asm("ldr	r12, [r1, #4] ");
-	asm("str	r5, [r0, #%a0]" : : "i" _FOFF(TSubScheduler,iLastTimestamp.i32[1]));
-	asm("stmdb	r1, {r4-r5} ");				// aOld->iLastRunTime
-	asm("ldrb	r2, [r1, #%a0]" : : "i" (_FOFF(NSchedulable,iActiveState)-_FOFF(NThreadBase,iTotalCpuTime.i64)));
-	asm("subs	r6, r4, r6 ");
-	asm("sbcs	r7, r5, r7 ");				// R7:R6 = time since last reschedule
-	asm("adds	r3, r3, r6 ");
-	asm("adcs	r12, r12, r7 ");			// total CPU time of old thread
-	asm("stmia	r1!, {r3,r12} ");			// store, r1=&aOld.iLastActivationTime
-	asm("cmp	r2, #0 ");					// old thread still active?
-	asm("bne	0f ");						// yes - done
-	asm("ldmia	r1!, {r2,r3,r6,r7} ");		// R3:R2 = last activation time, R7:R6=total active time
-	asm("subs	r2, r4, r2 ");
-	asm("sbcs	r3, r5, r3 ");				// R3:R2 = time since last activation
-	asm("adds	r6, r6, r2 ");
-	asm("adcs	r7, r7, r3 ");				// R7:R6 = new total active time
-	asm("stmdb	r1, {r6,r7} ");
-
-	asm("0:		");
-	asm("ldmfd	sp!, {r4-r7} ");
-	__JUMP(,lr);
-	}
+#error UpdateThreadTimes assembler out of date!
 
 #endif
 #endif	// __UTT_MACHINE_CODED__