sl@0: // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // e32test\nkernsa\x86\x86utils.cpp
sl@0: // 
sl@0: //
sl@0: 
sl@0: #include <x86.h>
sl@0: #include <nktest/nkutils.h>
sl@0: 
sl@0: extern "C" {
sl@0: 
sl@0: void __fastcall thread_request_signal(NThread* aThread);
sl@0: 
sl@0: TUint64 fcf;
sl@0: TUint32 nfcf;
sl@0: TUint32 nfcfs;
sl@0: 
sl@0: 
sl@0: TUint32 round_to_page(TUint32 x)
sl@0: 	{
sl@0: 	return (x + KPageSize - 1) &~ (KPageSize - 1);
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TLinAddr __initial_stack_base()
sl@0: 	{
sl@0: 	return __stack_pointer() & ~0xfff;
sl@0: 	}
sl@0: 
sl@0: TInt __initial_stack_size()
sl@0: 	{
sl@0: 	return 0x1000;
sl@0: 	}
sl@0: 
sl@0: TUint64 fast_counter_freq()
sl@0: 	{
sl@0: 	return fcf;
sl@0: 	}
sl@0: 
sl@0: TUint32 norm_fast_counter_freq()
sl@0: 	{
sl@0: 	return nfcf;
sl@0: 	}
sl@0: 
sl@0: void init_fast_counter()
sl@0: 	{
sl@0: 	NKern::Sleep(2);
sl@0: 	TUint64 initial = fast_counter();
sl@0: 	NKern::Sleep(1000);
sl@0: 	TUint64 final = fast_counter();
sl@0: 	fcf = final - initial;
sl@0: 	TUint64 f = fcf;
sl@0: 	nfcfs = 0;
sl@0: 	while (f > 2000000)
sl@0: 		f>>=1, ++nfcfs;
sl@0: 	nfcf = (TUint32)(fcf >> nfcfs);
sl@0: 
sl@0: 	DEBUGPRINT("fcf=%lx",fcf);
sl@0: 	DEBUGPRINT("nfcf=%d",nfcf);
sl@0: 	}
sl@0: 
sl@0: TInt __microseconds_to_fast_counter(TInt us)
sl@0: 	{
sl@0: 	TUint64 x = TUint64(TUint32(us));
sl@0: 	x *= fcf;
sl@0: 	x += TUint64(500000);
sl@0: 	x /= TUint64(1000000);
sl@0: 
sl@0: 	return (TInt)x;
sl@0: 	}
sl@0: 
sl@0: TInt __microseconds_to_norm_fast_counter(TInt us)
sl@0: 	{
sl@0: 	TUint64 x = TUint64(TUint32(us));
sl@0: 	x *= nfcf;
sl@0: 	x += TUint64(500000);
sl@0: 	x /= TUint64(1000000);
sl@0: 
sl@0: 	return (TInt)x;
sl@0: 	}
sl@0: 
sl@0: extern TUint32 __eflags();
sl@0: void CheckPoint()
sl@0: 	{
sl@0: 	KPrintf("EFLAGS=%08x", __eflags());
sl@0: 	}
sl@0: 
sl@0: void __fastcall thread_request_signal(NThread* aThread)
sl@0: 	{
sl@0: 	NKern::ThreadRequestSignal(aThread);
sl@0: 	}
sl@0: }