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//////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2004 Xilinx, Inc. All rights reserved.
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// Xilinx, Inc.
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//
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// XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" AS A
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// COURTESY TO YOU. BY PROVIDING THIS DESIGN, CODE, OR INFORMATION AS
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// ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE, APPLICATION OR
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// STANDARD, XILINX IS MAKING NO REPRESENTATION THAT THIS IMPLEMENTATION
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// IS FREE FROM ANY CLAIMS OF INFRINGEMENT, AND YOU ARE RESPONSIBLE
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// FOR OBTAINING ANY RIGHTS YOU MAY REQUIRE FOR YOUR IMPLEMENTATION.
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// XILINX EXPRESSLY DISCLAIMS ANY WARRANTY WHATSOEVER WITH RESPECT TO
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// THE ADEQUACY OF THE IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO
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// ANY WARRANTIES OR REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE
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// FROM CLAIMS OF INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY
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// AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $Header: /home/marcus/revision_ctrl_test/oc_cvs/cvs/mb-jpeg/microblaze_0/include/_profile_timer_hw.h,v 1.1 2006-06-23 18:59:00 quickwayne Exp $
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// $Id: _profile_timer_hw.h,v 1.1 2006-06-23 18:59:00 quickwayne Exp $
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//
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// _program_timer_hw.h:
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// Timer related functions
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//
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//////////////////////////////////////////////////////////////////////
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#ifndef _PROFILE_TIMER_HW_H
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#define _PROFILE_TIMER_HW_H
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#include "profile.h"
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#ifdef PROC_PPC
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#include "xexception_l.h"
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#include "xtime_l.h"
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#include "xpseudo_asm.h"
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#endif
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#ifdef TIMER_CONNECT_INTC
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#include "xintc_l.h"
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#include "xintc.h"
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#endif // TIMER_CONNECT_INTC
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#ifndef PPC_PIT_INTERRUPT
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#include "xtmrctr_l.h"
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#endif
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extern unsigned int timer_clk_ticks ;
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//--------------------------------------------------------------------
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// PowerPC Target - Timer related functions
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//--------------------------------------------------------------------
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#ifdef PROC_PPC
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#ifdef PPC_PIT_INTERRUPT
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unsigned long timer_lo_clk_ticks ; // Clk ticks when Timer is disabled in CG
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#endif
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//--------------------------------------------------------------------
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// Disable the Timer - During Profiling
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//
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// For PIT Timer -
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// 1. XTime_PITDisableInterrupt() ;
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// 2. Store the remaining timer clk tick
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// 3. Stop the PIT Timer
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//--------------------------------------------------------------------
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#ifdef PPC_PIT_INTERRUPT
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#define disable_timer() \
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{ \
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unsigned long val; \
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val=mfspr(XREG_SPR_TCR); \
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mtspr(XREG_SPR_TCR, val & ~XREG_TCR_PIT_INTERRUPT_ENABLE); \
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timer_lo_clk_ticks = mfspr(XREG_SPR_PIT); \
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mtspr(XREG_SPR_PIT, 0); \
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}
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#else
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#define disable_timer() \
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{ \
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XTmrCtr_mDisable(PROFILE_TIMER_BASEADDR, 0 ); \
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}
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#endif
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//--------------------------------------------------------------------
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// Enable the Timer
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//
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// For PIT Timer -
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// 1. Load the remaining timer clk ticks
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// 2. XTime_PITEnableInterrupt() ;
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//--------------------------------------------------------------------
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#ifdef PPC_PIT_INTERRUPT
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#define enable_timer() \
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{ \
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unsigned long val; \
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val=mfspr(XREG_SPR_TCR); \
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mtspr(XREG_SPR_PIT, timer_lo_clk_ticks); \
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mtspr(XREG_SPR_TCR, val | XREG_TCR_PIT_INTERRUPT_ENABLE); \
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}
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#else
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#define enable_timer() \
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{ \
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XTmrCtr_mEnable(PROFILE_TIMER_BASEADDR, 0 ); \
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}
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#endif
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//--------------------------------------------------------------------
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// Send Ack to Timer Interrupt
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//
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// For PIT Timer -
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// 1. Load the timer clk ticks
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// 2. Enable AutoReload and Interrupt
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// 3. Clear PIT Timer Status bits
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//--------------------------------------------------------------------
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#ifdef PPC_PIT_INTERRUPT
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#define timer_ack() \
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{ \
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unsigned long val; \
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mtspr(XREG_SPR_PIT, timer_clk_ticks); \
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mtspr(XREG_SPR_TSR, XREG_TSR_PIT_INTERRUPT_STATUS); \
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val=mfspr(XREG_SPR_TCR); \
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mtspr(XREG_SPR_TCR, val| XREG_TCR_PIT_INTERRUPT_ENABLE| XREG_TCR_AUTORELOAD_ENABLE); \
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}
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#else
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#define timer_ack() \
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{ \
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unsigned int csr; \
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csr = XTmrCtr_mGetControlStatusReg(PROFILE_TIMER_BASEADDR, 0); \
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XTmrCtr_mSetControlStatusReg(PROFILE_TIMER_BASEADDR, 0, csr); \
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}
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#endif
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//--------------------------------------------------------------------
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#endif // PROC_PPC
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//--------------------------------------------------------------------
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//--------------------------------------------------------------------
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// MicroBlaze Target - Timer related functions
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//--------------------------------------------------------------------
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#ifdef PROC_MICROBLAZE
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//--------------------------------------------------------------------
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// Disable the Timer during Call-Graph Data collection
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//
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//--------------------------------------------------------------------
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#define disable_timer() \
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{ \
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XTmrCtr_mDisable(PROFILE_TIMER_BASEADDR, 0 ); \
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}
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//--------------------------------------------------------------------
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// Enable the Timer after Call-Graph Data collection
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//
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//--------------------------------------------------------------------
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#define enable_timer() \
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{ \
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XTmrCtr_mEnable(PROFILE_TIMER_BASEADDR, 0 ); \
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}
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//--------------------------------------------------------------------
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// Send Ack to Timer Interrupt
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//
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//--------------------------------------------------------------------
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#define timer_ack() \
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{ \
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unsigned int csr; \
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csr = XTmrCtr_mGetControlStatusReg(PROFILE_TIMER_BASEADDR, 0); \
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XTmrCtr_mSetControlStatusReg(PROFILE_TIMER_BASEADDR, 0, csr); \
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}
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//--------------------------------------------------------------------
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#endif // PROC_MICROBLAZE
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//--------------------------------------------------------------------
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#endif
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