baseport/src/cedar/generic/base/syborg/specific/highrestimer.h
changeset 2 d55eb581a87c
parent 1 2fb8b9db1c86
child 3 c2946f91d81f
--- a/baseport/src/cedar/generic/base/syborg/specific/highrestimer.h	Fri Jul 31 15:01:17 2009 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,70 +0,0 @@
-/*
-* Copyright (c) 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:
-*
-*/
-
-/**
- * @file
- * @internalTechnology
- *
- * The highrestimer.h header file defines how to access the high resoltion
- * timer, if one is supported.  This file is used by default if the variant does
- * not export one to \epoc32\include\nkern. 
- */
-
-#ifndef __HIGHRESTIMER_H__
-#define __HIGHRESTIMER_H__
-//
-// Copyright (c) 2008 Symbian Ltd. All rights reserved.
-//
-
-#include <syborg.h>
-
-/**
- * Macro indicating that a high resolution timer is supported.
- */
-#define HAS_HIGH_RES_TIMER
-
-/**
- * Assembler macro to get the the current value of the high res timer and place
- * it in the specified register.
- * Reads the 32-bit value from a free-running counter that represents the current time. 
- * Syborg timers have 'microsecond resolution'. NB. This value comes from the host clock
- * and so there is a good chance that the kernels tick based notion of time (elapsed) and that
- * measured by the free running timer will get out of kilter. This affects t_cputime from e32test
- * amongst other things.
- */
-//#define GET_HIGH_RES_TICK_COUNT(Rd) asm("nop");
-// Hi-jacking r10 for tmp, not good if Rd is R10 -- grepping the the kernel shows it's not (for now)
-#define GET_HIGH_RES_TICK_COUNT(Rd)						         \
-  asm("push {r10}");										     \
-  asm("mov r10, #2");										     \
-  asm("ldr "#Rd", =%a0"               : : "i" (KHwBaseRtc + 4)); \
-  asm("str r10, ["#Rd", #%a0]"        : : "i" (0));			     \
-  asm("pop {r10}");                                              \
-  asm("ldr "#Rd", =%a0"               : : "i" (KHwBaseRtc + 8)); \
-  asm("ldr "#Rd", ["#Rd", #%a0]"      : : "i" (0));              
-
-/**
- * The frequency of the timer in Hz.
- */
-const TInt KHighResTimerFrequency = 1000000;
-
-/**
- * Macro indicating that the timer counts up if defined.
- */
-#define HIGH_RES_TIMER_COUNTS_UP
-
-#endif  // __HIGHRESTIMER_H__