// Copyright (c) 2005-2009 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\bench\d_kernasmfnc.cpp

// 

//

#include <e32cmn.h>

#include <e32cmn_private.h>

#include <kernel/kern_priv.h>

#include "d_kernbm.h"

#include "d_kernasmbm.h"

TUint8* UserPtr;		// pointer to user-side buffer

TUint8* KernelPtr;	// pointer to kernel-side buffer

NFastMutex* FastMutex;

NFastSemaphore* FastSem;

DThread* Thread;

void DfcFunc(TAny*)

	{

	}

TDfc Dfc(DfcFunc, NULL, Kern::DfcQue0(), 3);

TPriList<TPriListLink, 64> PriList;

_LIT(KObjectName, "This is a valid object name.");

TBitMapAllocator* Bma;

TInt BitmapList[32];

const TUint8* CharData = (const TUint8*) "Here's some char data to compare with memicmp";

// Allocate a 32-byte aligned block

TAny* AllocAligned(TUint aSize)

	{

	TUint mem = (TUint)Kern::Alloc(aSize + 32 + 4);

	if (!mem)

		return NULL;

	TUint* ptr = (TUint*) ALIGN_ADDR(mem + 4);

	ptr[-1] = mem;

	return ptr;

	}

// Free a block allocated by AllocAligned

void FreeAligned(TAny* ptr)

	{

	Kern::Free((TAny*)((TUint*)ptr)[-1]);

	}

TBitMapAllocator* AllocAlignedBMA(TInt aSize, TBool aState)

	{

	TInt nmapw=(aSize+31)>>5;

	TInt memsz=sizeof(TBitMapAllocator)+(nmapw-1)*sizeof(TUint32);

	TBitMapAllocator* pA=(TBitMapAllocator*)AllocAligned(memsz);

	if (pA)

		new(pA) TBitMapAllocator(aSize, aState);

	return pA;

	}

TInt ThreadFunc(TAny* aPtr)

	{

	return KErrNone;

	}

TInt InitData()

	{

	KernelPtr = (TUint8*)AllocAligned(KKernAsmBmBufferSize);

	if (!KernelPtr)

		return KErrNoMemory;

	Bma = AllocAlignedBMA(256, ETrue);

	if (!Bma)

		return KErrNoMemory;

	FastSem = (NFastSemaphore*) AllocAligned(sizeof(NFastSemaphore));

	if (!FastSem)

		return KErrNoMemory;

	new (FastSem) NFastSemaphore;

	NKern::FSSetOwner(FastSem, NULL);

	FastMutex = (NFastMutex*) AllocAligned(sizeof(FastMutex));

	if (!FastMutex)

		return KErrNoMemory;

	new (FastMutex) NFastMutex;

	SThreadCreateInfo info;

	info.iType=EThreadSupervisor;

	info.iFunction=ThreadFunc;

	info.iPtr=NULL;

	info.iSupervisorStack=NULL;

	info.iSupervisorStackSize=0;	// zero means use default value

	info.iInitialThreadPriority=NKern::CurrentThread()->iPriority;

	info.iName.Set(_L("bmthread2"));

	info.iTotalSize = sizeof(info);

	NKern::ThreadEnterCS();

	TInt r = Kern::ThreadCreate(info);

	NKern::ThreadLeaveCS();

	if (r != KErrNone)

		return r;

	Thread = (DThread*)info.iHandle;

	return KErrNone;

	}

void CloseData()

	{

	FreeAligned(KernelPtr); KernelPtr = NULL;

	FreeAligned(Bma); Bma = NULL;

	FreeAligned(FastSem); FastSem = NULL;

	FreeAligned(FastMutex); FastMutex = NULL;

	Kern::ThreadResume(*Thread); Thread = NULL; // thread will now exit

	}

// 1.     Functions that have C++ equivalents

// 1.1    NKern

// 1.1.1  DFCs

DEFINE_BENCHMARK(Dfc_DoEnqueCancel,

				 NKern::Lock(),

				 Dfc.DoEnque(); Dfc.Cancel(),

				 NKern::Unlock());

DEFINE_BENCHMARK(Dfc_AddCancel,

				 NKern::Lock(),

				 Dfc.Add(); Dfc.Cancel(),

				 NKern::Unlock());

// Not exported: TDfc::DoEnqueFinal, TDfc::ThreadFunction

// 1.1.2  Fast mutex

DEFINE_BENCHMARK(NKern_LockUnlockSystem,

				 ,

				 NKern::LockSystem(); NKern::UnlockSystem(),

				 );

DEFINE_BENCHMARK(NFastMutex_WaitSignal,

				 NKern::Lock(),

				 FastMutex->Wait(); FastMutex->Signal(),

				 NKern::Unlock());  // no contention

DEFINE_BENCHMARK(NKern_FMWaitSignal,

				 ,

				 NKern::FMWait(FastMutex); NKern::FMSignal(FastMutex),

				 );  // no contention

// Benchmark that exercises contention for fast mutex

DEFINE_THREADED_BENCHMARK(NFastMutex_ThreadSwitch,

						  -1,

						  Kern::ThreadResume(*iThread2),

						  NKern::FSWait(FastSem);   NKern::FMWait(FastMutex); NKern::FMSignal(FastMutex),

  						  NKern::FMWait(FastMutex); NKern::FSSignal(FastSem); NKern::FMSignal(FastMutex),

  						  );

// Benchmark thread switching with suspend/resume for comparison

DEFINE_THREADED_BENCHMARK(Kern_ThreadSwitch,

						  1,

						  ,

						  Kern::ThreadResume(*iThread2),

						  Kern::ThreadSuspend(*iThread2, 1),

						  Kern::ThreadResume(*iThread2));

// 1.1.3  Fast semaphore

DEFINE_BENCHMARK(NFastSem_Wait,

				 NKern::Lock(); FastSem->SignalN(aParams.iIts * 10),

				 FastSem->Wait(),

				 NKern::Unlock());

DEFINE_BENCHMARK(NFastSem_Signal,

				 NKern::Lock(),

				 FastSem->Signal(),

				 FastSem->Reset(); NKern::Unlock());

DEFINE_BENCHMARK(NFastSem_SignalN,

				 NKern::Lock(),

				 FastSem->SignalN(1),

				 FastSem->Reset(); NKern::Unlock());

DEFINE_BENCHMARK(NFastSem_Reset,

				 NKern::Lock(),

				 FastSem->Reset(),

				 NKern::Unlock());

// NFastSemaphore::WaitCancel not exported

DEFINE_THREADED_BENCHMARK(NFastSem_ThreadSwitch,

						  -1,

						  Kern::ThreadResume(*iThread2),

						  NKern::FSWait(FastSem),

						  NKern::FSSignal(FastSem),

						  );

DEFINE_BENCHMARK(NKern_WaitForAnyReq,

				 NKern::ThreadRequestSignal(NULL, aParams.iIts * 10),

				 NKern::WaitForAnyRequest(),

				 );

DEFINE_BENCHMARK(NKern_ThreadReqSignal,

				 NThread* t = &Thread->iNThread; NKern::Lock(),

				 NKern::ThreadRequestSignal(t),

				 t->iRequestSemaphore.Reset();NKern::Unlock());

DEFINE_BENCHMARK(NKern_ThreadReqSignal2,

				 NThread* t = &Thread->iNThread,

				 NKern::FMWait(FastMutex); NKern::ThreadRequestSignal(t, FastMutex),

				 NKern::Lock(); t->iRequestSemaphore.Reset(); NKern::Unlock(););

// 1.1.4  Timers

DEFINE_BENCHMARK(NTimer_OneShot,

				 NTimer timer,

				 timer.OneShot(100); timer.Cancel(),

				 );

DEFINE_BENCHMARK(NTimer_Again,

				 NTimer timer,

				 timer.Again(100); timer.Cancel(),

				 );

// Not exported:

//	  NTimerQ::Add

//	  NTimerQ::AddFinal

//	  NTimerQ::DfcFn

//	  NTimerQ::Dfc

// Not tested:

//	  NTimerQ::IdleTime

// 1.1.5  Priority list

DEFINE_BENCHMARK(TPriList_AddRemove,

				 TPriListLink link(15),

				 PriList.Add(&link); PriList.Remove(&link),

				 );

DEFINE_BENCHMARK(TPriList_AddRemove2,

				 TPriListLink link(15); TPriListLink link2(15); PriList.Add(&link2),

				 PriList.Add(&link); PriList.Remove(&link),

				 PriList.Remove(&link2));

DEFINE_BENCHMARK(TPriList_First,

				 TPriListLink link(15); PriList.Add(&link),

				 PriList.First(),

				 PriList.Remove(&link));

DEFINE_BENCHMARK(TPriList_HighestPri,

				 TPriListLink link(15); PriList.Add(&link),

				 PriList.First(),

				 PriList.Remove(&link));

DEFINE_BENCHMARK(TPriList_ChangePri,

				 TPriListLink link(15); PriList.Add(&link); TInt pri = 15,

				 pri ^= 32; PriList.ChangePriority(&link, pri),

				 PriList.Remove(&link));

// 1.2 Kern

DEFINE_BENCHMARK(Kern_ValidateFullName,

				 ,

				 Kern::ValidateFullName(KObjectName),

				 );

// 1.3. klib

DEFINE_BENCHMARK(TBitMapAlloc_Ctor,

				 ,

				 new (Bma) TBitMapAllocator(256, ETrue),

				 );

DEFINE_BENCHMARK(TBitMapAlloc_AllocFree1,

				 ,

				 Bma->Alloc(17, 119); Bma->Free(17, 119),

				 );

DEFINE_BENCHMARK(TBitMapAlloc_AllocFree2,

				 Bma->Alloc(0, 119),

				 Bma->Free(Bma->Alloc()),

				 Bma->Free(0, 119));

DEFINE_BENCHMARK(TBitMapAlloc_SelectFree,

				 ,

				 Bma->SelectiveFree(0, 153),

				 );

DEFINE_BENCHMARK(TBitMapAlloc_NotFree,

				 ,

				 Bma->NotFree(0, 119),

				 );

DEFINE_BENCHMARK(TBitMapAlloc_NotAlloc,

				 ,

				 Bma->NotAllocated(0, 119),

				 );

DEFINE_BENCHMARK(TBitMapAlloc_AllocList,

				 ,

				 Bma->AllocList(32, BitmapList); Bma->Free(0, 32),

				 );

DEFINE_BENCHMARK(TBitMapAlloc_AllocAligned,

				 Bma->Alloc(0, 35); TInt a = 0; TInt b=0,

				 Bma->AllocAligned(64, 3, 0, EFalse, a, b),

				 Bma->Free(0, 35));

DEFINE_BENCHMARK(Kern_ValidateName,

				 ,

				 Kern::ValidateName(KObjectName),

				 );

DEFINE_BENCHMARK(memicmp,

				 ,

				 memicmp(CharData, CharData, 49),

				 );

// 2.	Functions that have no C++ equivalent

// 2.1. NKern

DEFINE_BENCHMARK(NKern_LockedInc,

				 TInt i,

				 NKern::LockedInc(i),

				 );

DEFINE_BENCHMARK(NKern_LockedDec,

				 TInt i,

				 NKern::LockedDec(i),

				 );

DEFINE_BENCHMARK(NKern_LockedAdd,

				 TInt i,

				 NKern::LockedAdd(i, 0),

				 );

DEFINE_BENCHMARK(NKern_LockedSetClear,

				 TUint32 i,

				 NKern::LockedSetClear(i, 0, 0),

				 );

DEFINE_BENCHMARK(NKern_LockedSetClear8,

				 TUint8 i,

				 NKern::LockedSetClear8(i, 0, 0),

				 );

DEFINE_BENCHMARK(NKern_SafeInc,

				 TInt i = 0,

				 NKern::SafeInc(i),

				 );

DEFINE_BENCHMARK(NKern_SafeDec,

				 TInt i = KMaxTInt,

				 NKern::SafeDec(i),

				 );

DEFINE_BENCHMARK(NKern_SafeSwap,

				 TAny* i,

				 NKern::SafeSwap(0, i),

				 );

DEFINE_BENCHMARK(NKern_SafeSwap8,

				 TUint8 i,

				 NKern::SafeSwap8(0, i),

				 );

DEFINE_BENCHMARK(NKern_LockUnlock,

				 ,

				 NKern::Lock(); NKern::Unlock(),

				 );

DEFINE_BENCHMARK(NKern_DisableInts1,

				 ,

				 NKern::RestoreInterrupts(NKern::DisableInterrupts(1)),

				 );

DEFINE_BENCHMARK(NKern_DisableInts2,

				 ,

				 NKern::RestoreInterrupts(NKern::DisableInterrupts(2)),

				 );

// 2.2 Kern

DEFINE_BENCHMARK(Kern_NanoWait,

				 ,

				 Kern::NanoWait(1000),

				 );  // expect 1uS!

DEFINE_BENCHMARK(Kern_KUSafeInc,

				 umemset(UserPtr, 1, sizeof(TInt)),

				 Kern::KUSafeInc(*(TInt*)UserPtr),

				 );

DEFINE_BENCHMARK(Kern_KUSafeDec,

				 umemset(UserPtr, KMaxTInt8, sizeof(TInt)),

				 Kern::KUSafeDec(*(TInt*)UserPtr),

				 );

DEFINE_BENCHMARK(DThread_ObjectFromHandle,

				 DThread* thread = &Kern::CurrentThread(),

				 thread->ObjectFromHandle(1),

				 );

DEFINE_BENCHMARK(Kern_ObjectFromHandle,

				 DThread* thread = &Kern::CurrentThread(),

				 Kern::ObjectFromHandle(thread, 1, -1),

				 );

DEFINE_BENCHMARK(Kern_KUSafeRead,

				 TUint8 buf[128],

				 Kern::KUSafeRead(UserPtr, buf, 128),

				 );

DEFINE_BENCHMARK(Kern_SafeRead,

				 TUint8 buf[128],

				 Kern::SafeRead(KernelPtr, buf, 128),

				 );

DEFINE_BENCHMARK(Kern_KUSafeWrite,

				 TUint8 buf[128],

				 Kern::KUSafeWrite(UserPtr, buf, 128),

				 );

DEFINE_BENCHMARK(Kern_SafeWrite,

				 TUint8 buf[128],

				 Kern::SafeWrite(KernelPtr, buf, 128),

				 );

DEFINE_BENCHMARK(Kern_SafeRead4,

				 TUint8 buf[128],

				 Kern::SafeRead(KernelPtr, buf, 4),

				 );

DEFINE_BENCHMARK(Kern_SafeRead8,

				 TUint8 buf[128],

				 Kern::SafeRead(KernelPtr, buf, 8),

				 );

// 2.3 klib

DEFINE_BENCHMARK(umemput32_16,

				 ,

				 umemput32(UserPtr, KernelPtr, 16),

				 );

DEFINE_BENCHMARK(umemput32_4,

				 ,

				 umemput32(UserPtr, KernelPtr, 4),

				 );

DEFINE_MEMORY_BENCHMARK(umemput32_64K,

						4,

						KernelPtr,

						UserPtr,

						,

						umemput32(dest, src, 65536),

						);

DEFINE_BENCHMARK(umemput_32,

				 ,

				 umemput(UserPtr, KernelPtr, 32),

				 );

DEFINE_BENCHMARK(umemput_40,

				 ,

				 umemput(UserPtr, KernelPtr, 40),

				 );

DEFINE_MEMORY_BENCHMARK(umemput_64K,

						1,

						KernelPtr,

						UserPtr,

						,

						umemput(dest, src, 65536),

						);

DEFINE_BENCHMARK(umemget32_32,

				 ,

				 umemget32(KernelPtr, UserPtr, 32),

				 );

DEFINE_MEMORY_BENCHMARK(umemget32_64K,

						4,

						UserPtr,

						KernelPtr,

						,

						umemget32(dest, src, 65536),

						);

DEFINE_BENCHMARK(umemget_7,

				 ,

				 umemget(KernelPtr, UserPtr, 7),

				 );

DEFINE_MEMORY_BENCHMARK(umemget_64K,

						1,

						UserPtr,

						KernelPtr,

						,

						umemget(dest, src, 65536),

						);

DEFINE_BENCHMARK(umemset_64K,

				 ,

				 umemset(UserPtr, 23, 65536),

				 );

// Not exported:

//   K::ObjectFromHandle(TInt /*aHandle*/)

//   K::ObjectFromHandle(TInt /*aHandle*/, TInt /*aType*/)

//   ExecHandler::LockedInc

//   ExecHandler::LockedDec

//   ExecHandler::SafeInc

//   ExecHandler::SafeDec