diff -r 000000000000 -r bde4ae8d615e os/kernelhwsrv/kerneltest/e32test/misc/cpumeter.cia --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/os/kernelhwsrv/kerneltest/e32test/misc/cpumeter.cia Fri Jun 15 03:10:57 2012 +0200 @@ -0,0 +1,256 @@ +// Copyright (c) 1996-2009 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\misc\cpumeter.cia +// +// + +#include +#include +#include + +extern TUint32 NopCount; +extern TUint MaxCycles; + +#if defined(__CPU_ARM) +__NAKED__ TInt CountNops(TAny*) + { + __SWITCH_TO_ARM; + asm("ldr r0, __NopCount "); + asm("mov r1, #0 "); + + asm("loop: "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("mov r0, r0 "); + asm("add r1, r1, #71 "); + asm("str r1, [r0] "); + asm("b loop "); + + asm("mov r0, #0 "); + __JUMP(,lr); + + asm("__NopCount: "); + asm(".word NopCount "); + __END_ARM; + } +#elif defined(__CPU_X86) +__NAKED__ TInt CountNops(TAny*) + { +#ifdef __WINS__ + __asm lea edx, NopCount + __asm mov eax, 0 +noploop: + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm inc eax + __asm add eax, 3 + __asm mov [edx], eax + __asm jmp noploop +#else + asm("mov edx, %a0": : "i"(&NopCount)); + asm("mov eax, 0"); + asm("noploop:"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("inc eax"); + asm("add eax, 3"); + asm("mov [edx], eax"); + asm("jmp noploop"); +#endif + } +#endif +