--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/kerneltest/e32test/nkernsa/arm/armutils.cpp Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,232 @@
+// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the License "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// e32test\nkernsa\arm\armutils.cpp
+//
+//
+
+#include <arm.h>
+#include <nktest/nkutils.h>
+
+const TUint32 KPageSize = 0x1000u;
+
+extern "C" {
+
+void thread_request_signal(NThread* aThread);
+
+TUint64 fcf;
+TUint32 nfcf;
+TUint32 nfcfs;
+
+
+TUint32 round_to_page(TUint32 x)
+ {
+ return (x + KPageSize - 1) &~ (KPageSize - 1);
+ }
+
+
+TLinAddr __initial_stack_base()
+ {
+ return __stack_pointer() & ~0xfff;
+ }
+
+TInt __initial_stack_size()
+ {
+ return 0x1000;
+ }
+
+TUint64 fast_counter_freq()
+ {
+ return fcf;
+ }
+
+TUint32 norm_fast_counter_freq()
+ {
+ return nfcf;
+ }
+
+void init_fast_counter()
+ {
+ NKern::Sleep(30);
+ TUint64 initial = fast_counter();
+ NKern::Sleep(1000);
+ TUint64 final = fast_counter();
+ fcf = final - initial;
+ TUint64 f = fcf;
+ nfcfs = 0;
+ while (f > 2000000)
+ f>>=1, ++nfcfs;
+ nfcf = (TUint32)(fcf >> nfcfs);
+
+ DEBUGPRINT("fcf=%lx",fcf);
+ DEBUGPRINT("nfcf=%d",nfcf);
+ }
+
+TInt __microseconds_to_fast_counter(TInt us)
+ {
+ TUint64 x = TUint64(TUint32(us));
+ x *= fcf;
+ x += TUint64(500000);
+ x /= TUint64(1000000);
+
+ return (TInt)x;
+ }
+
+TInt __microseconds_to_norm_fast_counter(TInt us)
+ {
+ TUint64 x = TUint64(TUint32(us));
+ x *= nfcf;
+ x += TUint64(500000);
+ x /= TUint64(1000000);
+
+ return (TInt)x;
+ }
+
+void nfcfspin(TUint32 aTicks)
+ {
+ TUint64 ticks = aTicks;
+ ticks <<= nfcfs;
+ fcfspin(ticks);
+ }
+
+void fcfspin(TUint64 aTicks)
+ {
+ TUint64 t0 = fast_counter();
+ TUint64 t1;
+ do {
+ t1 = fast_counter();
+ t1 -= t0;
+ } while (t1<aTicks);
+ }
+
+extern TUint32 __cpsr();
+void CheckPoint()
+ {
+ KPrintf("CPSR=%08x", __cpsr());
+ }
+
+void thread_request_signal(NThread* aThread)
+ {
+ NKern::ThreadRequestSignal(aThread);
+ }
+}
+
+TAny* operator new(TUint aSize) __NO_THROW
+//
+// The global new operator.
+//
+ {
+
+ return malloc(aSize);
+ }
+
+TAny* operator new[](TUint aSize) __NO_THROW
+ {
+
+ return malloc(aSize);
+ }
+
+void operator delete(TAny* aPtr) __NO_THROW
+//
+// The replacement delete operator.
+//
+ {
+
+ free(aPtr);
+ }
+
+void operator delete[](TAny* aPtr) __NO_THROW
+ {
+
+ free(aPtr);
+ }
+
+#ifdef __ARMCC__
+TAny* operator new(TUint aSize, const std::nothrow_t& aNoThrow) __NO_THROW
+//
+// The global new operator.
+//
+ {
+ (void)aNoThrow;
+ return malloc(aSize);
+ }
+
+TAny* operator new[](TUint aSize, const std::nothrow_t& aNoThrow) __NO_THROW
+ {
+ (void)aNoThrow;
+ return malloc(aSize);
+ }
+#endif
+
+#ifdef __SMP__
+#include <arm_tmr.h>
+
+void TickTimerFn(TAny*);
+NFastSemaphore TTSem;
+
+void TTIDfcFn(TAny*)
+ {
+ TTSem.Signal();
+ }
+
+TDfc TTIDfc(&TTIDfcFn,0);
+NTimer TickTimer(&TickTimerFn,0);
+volatile TInt State=0;
+volatile TInt Cycle=0;
+volatile TInt WC[1024];
+volatile TInt WCI=0;
+
+void TickTimerFn(TAny* aPtr)
+ {
+ ArmLocalTimer& T = LOCAL_TIMER;
+ TInt c = (TInt)T.iWatchdogCount;
+ WC[WCI++]=c;
+ if (c<0)
+ {
+ if (++State==3)
+ {
+ if (++Cycle==3)
+ {
+ TTIDfc.Add();
+ return;
+ }
+ T.iWatchdogCount = 1900000u;
+ State = 0;
+ }
+ }
+ TickTimer.Again(1);
+ }
+
+void DoWatchdogTimerTest()
+ {
+ NKern::FSSetOwner(&TTSem, NKern::CurrentThread());
+ ArmLocalTimer& T = LOCAL_TIMER;
+ T.iWatchdogLoad = KMaxTUint32;
+ T.iWatchdogCount = 2097152;
+ T.iWatchdogIntStatus = 1;
+ __e32_io_completion_barrier();
+ T.iWatchdogCtrl = 3;
+ __e32_io_completion_barrier();
+ TickTimer.OneShot(1);
+ NKern::FSWait(&TTSem);
+ TInt i;
+ for (i=0; i<WCI; ++i)
+ {
+ DEBUGPRINT("%03d: %d", i, WC[i]);
+ }
+ }
+
+
+#endif
+
+