/*****************************************************************************
 *                                McPAT
 *                      SOFTWARE LICENSE AGREEMENT
 *            Copyright 2012 Hewlett-Packard Development Company, L.P.
 *                          All Rights Reserved
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met: redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer;
 * redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution;
 * neither the name of the copyright holders nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.”
 *
 ***************************************************************************/
/********************************************************************
*      Modified by:												   *
*      Jingwen Leng, Univeristy of Texas, Austin                   *
*      Syed Gilani, University of Wisconsin–Madison                *
*      Tayler Hetherington, University of British Columbia         *
*      Ahmed ElTantawy, University of British Columbia             *
********************************************************************/


#ifndef CORE_H_
#define CORE_H_

#include "XML_Parse.h"
#include "logic.h"
#include "cacti/parameter.h"
#include "array.h"
#include "interconnect.h"
#include "basic_components.h"
#include "sharedcache.h"
#include "cacti/crossbar.h"
#include "cacti/arbiter.h"
#include "noc.h"

class BranchPredictor :public Component {
  public:

	ParseXML *XML;
	int  ithCore;
	InputParameter interface_ip;
	CoreDynParam  coredynp;
	double clockRate,executionTime;
	double scktRatio, chip_PR_overhead, macro_PR_overhead;
	ArrayST * globalBPT;
	ArrayST * localBPT;
	ArrayST * L1_localBPT;
	ArrayST * L2_localBPT;
	ArrayST * chooser;
	ArrayST * RAS;
	bool exist;

	BranchPredictor(ParseXML *XML_interface, int ithCore_, InputParameter* interface_ip_,const CoreDynParam & dyn_p_, bool exsit=true);
    void computeEnergy(bool is_tdp=true);
    void displayEnergy(uint32_t indent = 0,int plevel = 100, bool is_tdp=true);
	~BranchPredictor();
};


class InstFetchU :public Component {
  public:

	ParseXML *XML;
	int  ithCore;
	InputParameter interface_ip;
	CoreDynParam  coredynp;
	double clockRate,executionTime;
	double scktRatio, chip_PR_overhead, macro_PR_overhead;
	enum Cache_policy cache_p;
	InstCache icache;
	ArrayST * IB;
	ArrayST * BTB;
	BranchPredictor * BPT;
	inst_decoder * ID_inst;
	inst_decoder * ID_operand;
	inst_decoder * ID_misc;
	bool exist;

	InstFetchU(ParseXML *XML_interface, int ithCore_, InputParameter* interface_ip_,const CoreDynParam & dyn_p_, bool exsit=true);
    void computeEnergy(bool is_tdp=true);
    void displayEnergy(uint32_t indent = 0,int plevel = 100, bool is_tdp=true);
	~InstFetchU();
};


class SchedulerU :public Component {
  public:

	ParseXML *XML;
	int  ithCore;
	InputParameter interface_ip;
	CoreDynParam  coredynp;
	double clockRate,executionTime;
	double scktRatio, chip_PR_overhead, macro_PR_overhead;
	double Iw_height, fp_Iw_height,ROB_height;
	ArrayST         * int_inst_window;
	ArrayST         * fp_inst_window;
	ArrayST         * ROB;
    selection_logic * instruction_selection;
    bool exist;

    SchedulerU(ParseXML *XML_interface, int ithCore_, InputParameter* interface_ip_,const CoreDynParam & dyn_p_, bool exist_=true);
    void computeEnergy(bool is_tdp=true);
    void displayEnergy(uint32_t indent = 0,int plevel = 100, bool is_tdp=true);
	~SchedulerU();
};

class RENAMINGU :public Component {
  public:

	ParseXML *XML;
	int  ithCore;
	InputParameter interface_ip;
	double clockRate,executionTime;
	CoreDynParam  coredynp;
	ArrayST * iFRAT;
	ArrayST * fFRAT;
	ArrayST * iRRAT;
	ArrayST * fRRAT;
	ArrayST * ifreeL;
	ArrayST * ffreeL;
	dep_resource_conflict_check * idcl;
	dep_resource_conflict_check * fdcl;
	ArrayST * RAHT;//register alias history table Used to store GC
	bool exist;


	RENAMINGU(ParseXML *XML_interface, int ithCore_, InputParameter* interface_ip_, const CoreDynParam & dyn_p_, bool exist_=true);
    void computeEnergy(bool is_tdp=true);
    void displayEnergy(uint32_t indent = 0,int plevel = 100, bool is_tdp=true);
	~RENAMINGU();
};

class LoadStoreU :public Component {
  public:

	ParseXML *XML;
	int  ithCore;
	InputParameter interface_ip;
	CoreDynParam  coredynp;
	enum Cache_policy cache_p;
	double clockRate,executionTime;
	double scktRatio, chip_PR_overhead, macro_PR_overhead;
	double lsq_height;
	DataCache dcache;
	DataCache ccache;
	DataCache tcache;
	DataCache sharedmemory;
	ArrayST * LSQ;//it is actually the store queue but for inorder processors it serves as both loadQ and StoreQ
	ArrayST * LoadQ;
	vector<NoC *>  nocs;
	bool exist;
   Crossbar *xbar_shared;
	Component noc;
	LoadStoreU(ParseXML *XML_interface, int ithCore_, InputParameter* interface_ip_,const CoreDynParam & dyn_p_, bool exist_=true);
    void computeEnergy(bool is_tdp=true);
    void displayEnergy(uint32_t indent = 0,int plevel = 100, bool is_tdp=true);
	 void displayDeviceType(int device_type_, uint32_t indent);//Added by Syed Gilani

	~LoadStoreU();
};

class MemManU :public Component {
  public:

	ParseXML *XML;
	int  ithCore;
	InputParameter interface_ip;
	CoreDynParam  coredynp;
	double clockRate,executionTime;
	double scktRatio, chip_PR_overhead, macro_PR_overhead;
	ArrayST * itlb;
	ArrayST * dtlb;
	bool exist;

	MemManU(ParseXML *XML_interface, int ithCore_, InputParameter* interface_ip_,const CoreDynParam & dyn_p_, bool exist_=false);
    void computeEnergy(bool is_tdp=true);
    void displayEnergy(uint32_t indent = 0,int plevel = 100, bool is_tdp=true);
	~MemManU();
};

class RegFU :public Component {
  public:

	ParseXML *XML;
	int  ithCore;
	InputParameter interface_ip;
	CoreDynParam  coredynp;
	double clockRate,executionTime;
	double scktRatio, chip_PR_overhead, macro_PR_overhead;
	double int_regfile_height, fp_regfile_height;
	ArrayST * IRF;
	ArrayST * FRF;
	ArrayST * RFWIN;
	ArrayST * OPC;//Operand collectors
	bool exist;
   double exClockRate; 
	//OC Modelling (Syed)
	Crossbar * xbar_rfu;
   MCPAT_Arbiter * arbiter_rfu;
	RegFU(ParseXML *XML_interface, int ithCore_, InputParameter* interface_ip_,const CoreDynParam & dyn_p_, double exClockRate, bool exist_=true);
    void computeEnergy(bool is_tdp=true);
    void displayEnergy(uint32_t indent = 0,int plevel = 100, bool is_tdp=true);
	~RegFU();
};

class EXECU :public Component {
  public:

	ParseXML *XML;
	int  ithCore;
	InputParameter interface_ip;
	double clockRate,executionTime;
	double scktRatio, chip_PR_overhead, macro_PR_overhead;
	double lsq_height;
	CoreDynParam  coredynp;
	RegFU          * rfu;
	SchedulerU     * scheu;
    FunctionalUnit * fp_u;
    FunctionalUnit * exeu;
    FunctionalUnit * mul;
	interconnect * int_bypass;
	interconnect * intTagBypass;
	interconnect * int_mul_bypass;
	interconnect * intTag_mul_Bypass;
	interconnect * fp_bypass;
	interconnect * fpTagBypass;
	bool exist;
	double rf_fu_clockRate;
	Component  bypass;


	EXECU(ParseXML *XML_interface, int ithCore_, InputParameter* interface_ip_, double lsq_height_,const CoreDynParam & dyn_p_, double exClockRate, bool exist_);
    void computeEnergy(bool is_tdp=true);
	void displayEnergy(uint32_t indent = 0,int plevel = 100, bool is_tdp=true);
	~EXECU();
};


class Core :public Component {
  public:

	ParseXML *XML;
	int  ithCore;
	InputParameter interface_ip;
	double clockRate,executionTime;
	double exClockRate;
	double scktRatio, chip_PR_overhead, macro_PR_overhead;
	InstFetchU * ifu;
	LoadStoreU * lsu;
	MemManU    * mmu;
	EXECU      * exu;
	RENAMINGU  * rnu;
	double IdleCoreEnergy;
	double IdlePower_PerCore;
    Pipeline   * corepipe;
    UndiffCore * undiffCore;
    SharedCache * l2cache;
    CoreDynParam  coredynp;
	double Pipeline_energy;
    //full_decoder 	inst_decoder;
    //clock_network	clockNetwork;
	Core(ParseXML *XML_interface, int ithCore_, InputParameter* interface_ip_);
	void set_core_param();
	void computeEnergy(bool is_tdp=true);
	void displayEnergy(uint32_t indent = 0,int plevel = 100, bool is_tdp=true);

	float get_coefficient_icache_hits(){
		//return 1.5*ifu->icache.caches->local_result.power.readOp.dynamic;
		return ifu->icache.caches->local_result.power.readOp.dynamic;
	}

	float get_coefficient_icache_misses(){
		float value=0;
		value+=ifu->icache.caches->local_result.power.writeOp.dynamic;
		value+=ifu->icache.caches->local_result.power.readOp.dynamic;
		value+=ifu->icache.missb->local_result.power.searchOp.dynamic;
		value+=ifu->icache.missb->local_result.power.writeOp.dynamic;
		value+=ifu->icache.ifb->local_result.power.searchOp.dynamic;
		value+= ifu->icache.ifb->local_result.power.writeOp.dynamic;
		value+= ifu->icache.prefetchb->local_result.power.searchOp.dynamic;
		value+=ifu->icache.prefetchb->local_result.power.writeOp.dynamic;
		return value;
	}

	float get_coefficient_tot_insts(){
		float value=0;
		value+=ifu->IB->local_result.power.readOp.dynamic;
		value+=ifu->IB->local_result.power.writeOp.dynamic;
		value+=ifu->ID_inst->power_t.readOp.dynamic;
		value+=ifu->ID_operand->power_t.readOp.dynamic;
		value+=ifu->ID_misc->power_t.readOp.dynamic;
		return value;
	}

	float get_coefficient_fpint_insts(){
		float value=0;
		value+=exu->scheu->int_inst_window->local_result.power.readOp.dynamic;
		value+=2*exu->scheu->int_inst_window->local_result.power.searchOp.dynamic;
		value+=exu->scheu->int_inst_window->local_result.power.writeOp.dynamic;
		value+=exu->scheu->instruction_selection->power.readOp.dynamic;
		return value;
	}


	float get_coefficient_dcache_readhits()
	{
		float value=0;
		value+=lsu->dcache.caches->local_result.power.readOp.dynamic;
		value+=lsu->xbar_shared->power.readOp.dynamic;
		//return 0.5*value;
		return value;
	}
	float get_coefficient_dcache_readmisses()
	{
		float value=0;
		value+=lsu->dcache.caches->local_result.power.readOp.dynamic;
		value+=(lsu->cache_p==Write_back)?  0:lsu->dcache.missb->local_result.power.searchOp.dynamic;
		value+=(lsu->cache_p==Write_back)?  0:lsu->dcache.ifb->local_result.power.searchOp.dynamic;
		value+=(lsu->cache_p==Write_back)?  0:lsu->dcache.prefetchb->local_result.power.searchOp.dynamic;
		value+=(lsu->cache_p==Write_back)?  0:lsu->dcache.missb->local_result.power.writeOp.dynamic;
		value+=(lsu->cache_p==Write_back)?  0:lsu->dcache.ifb->local_result.power.writeOp.dynamic;
		value+=(lsu->cache_p==Write_back)?  0:lsu->dcache.prefetchb->local_result.power.writeOp.dynamic;

		//return 0.5*value;
		return value;
	}
	float get_coefficient_dcache_writehits()
	{
		float value=0;
		value+=lsu->dcache.caches->local_result.power.writeOp.dynamic;
		value+=lsu->xbar_shared->power.readOp.dynamic;
		return value;
	}
	float get_coefficient_dcache_writemisses(){
		float value=0;
		value+=lsu->dcache.caches->local_result.power.writeOp.dynamic;
		value+=lsu->dcache.caches->local_result.tag_array2->power.readOp.dynamic;
		value+= (lsu->cache_p==Write_back)? lsu->dcache.caches->local_result.power.writeOp.dynamic:0;
		value+= (lsu->cache_p==Write_back)? lsu->dcache.missb->local_result.power.searchOp.dynamic:0;
		value+= (lsu->cache_p==Write_back)? lsu->dcache.ifb->local_result.power.searchOp.dynamic:0;
		value+= (lsu->cache_p==Write_back)? lsu->dcache.prefetchb->local_result.power.searchOp.dynamic:0;
		value+= (lsu->cache_p==Write_back)? lsu->dcache.wbb->local_result.power.searchOp.dynamic:0;
		value+= (lsu->cache_p==Write_back)? lsu->dcache.missb->local_result.power.writeOp.dynamic:0;
		value+= (lsu->cache_p==Write_back)? lsu->dcache.ifb->local_result.power.writeOp.dynamic:0;
		value+= (lsu->cache_p==Write_back)? lsu->dcache.prefetchb->local_result.power.writeOp.dynamic:0;
		value+= (lsu->cache_p==Write_back)? lsu->dcache.wbb->local_result.power.writeOp.dynamic:0;
		//return 1.6*value;
		return value;
	}



	float get_coefficient_tcache_readhits()
	{
		float value=0;
		value+=lsu->tcache.caches->local_result.power.readOp.dynamic;
		value+=lsu->xbar_shared->power.readOp.dynamic;
		//return 0.2*value;
		return value;
	}
	float get_coefficient_tcache_readmisses()
	{
		float value=0;
		value+= lsu->tcache.caches->local_result.power.readOp.dynamic;
		value+=(lsu->cache_p==Write_back)?  0:lsu->tcache.missb->local_result.power.searchOp.dynamic;
		value+=(lsu->cache_p==Write_back)?  0:lsu->tcache.missb->local_result.power.writeOp.dynamic;
		value+=(lsu->cache_p==Write_back)?  0:lsu->tcache.ifb->local_result.power.searchOp.dynamic;
		value+=(lsu->cache_p==Write_back)?  0:lsu->tcache.ifb->local_result.power.writeOp.dynamic;
		value+=(lsu->cache_p==Write_back)?  0:lsu->tcache.prefetchb->local_result.power.searchOp.dynamic;
		value+=(lsu->cache_p==Write_back)?  0:lsu->tcache.prefetchb->local_result.power.writeOp.dynamic;

		//return 0.2*value;
		return value;
	}
	float get_coefficient_tcache_readmisses1(){

		return lsu->tcache.caches->local_result.power.readOp.dynamic;

	}
	float get_coefficient_tcache_readmisses2(){
		float value=0;
		value+=(lsu->cache_p==Write_back)?  0:lsu->tcache.missb->local_result.power.searchOp.dynamic;
		value+=(lsu->cache_p==Write_back)?  0:lsu->tcache.missb->local_result.power.writeOp.dynamic;
		value+=(lsu->cache_p==Write_back)?  0:lsu->tcache.ifb->local_result.power.searchOp.dynamic;
		value+=(lsu->cache_p==Write_back)?  0:lsu->tcache.ifb->local_result.power.writeOp.dynamic;
		value+=(lsu->cache_p==Write_back)?  0:lsu->tcache.prefetchb->local_result.power.searchOp.dynamic;
		value+=(lsu->cache_p==Write_back)?  0:lsu->tcache.prefetchb->local_result.power.writeOp.dynamic;
		return value;
	}


	float get_coefficient_ccache_readhits()
	{
		//return 1.2*lsu->ccache.caches->local_result.power.readOp.dynamic+lsu->xbar_shared->power.readOp.dynamic;
		//return 1.2*lsu->ccache.caches->local_result.power.readOp.dynamic+lsu->xbar_shared->power.readOp.dynamic;
		return lsu->ccache.caches->local_result.power.readOp.dynamic+lsu->xbar_shared->power.readOp.dynamic;
	}
	float get_coefficient_ccache_readmisses()
	{
		float value=0;
		value+=lsu->ccache.caches->local_result.power.readOp.dynamic;
		value+=(lsu->cache_p==Write_back)?  0:lsu->ccache.missb->local_result.power.searchOp.dynamic;
		value+=(lsu->cache_p==Write_back)?  0:lsu->ccache.ifb->local_result.power.searchOp.dynamic;
		value+=(lsu->cache_p==Write_back)?  0:lsu->ccache.prefetchb->local_result.power.searchOp.dynamic;
		value+=(lsu->cache_p==Write_back)?  0:lsu->ccache.missb->local_result.power.writeOp.dynamic;
		value+=(lsu->cache_p==Write_back)?  0:lsu->ccache.ifb->local_result.power.writeOp.dynamic;
		value+=(lsu->cache_p==Write_back)?  0:lsu->ccache.prefetchb->local_result.power.writeOp.dynamic;
		return value;
	}

	float get_coefficient_sharedmemory_readhits()
	{
		float value=0;
		value+=lsu->sharedmemory.caches->local_result.power.readOp.dynamic;
		value+=lsu->xbar_shared->power.readOp.dynamic;
		//return 3*value;
		return value;
	}

	float get_coefficient_lsq_accesses()
	{
		float value=0;
		//Changed by Syed -- We have removed LSQ
		//value+=2*lsu->LSQ->local_result.power.searchOp.dynamic;
		//value+=2*lsu->LSQ->local_result.power.readOp.dynamic;
		//value+=2*lsu->LSQ->local_result.power.writeOp.dynamic;
		return value;
	}

	float get_coefficient_regreads_accesses(){
		float value=0;
		value+=((exu->rfu->IRF->local_result.power.readOp.dynamic/32)*(4*2)/*/1.5*/);
		value+=exu->rfu->xbar_rfu->power.readOp.dynamic/(32/**1.5*/);
		value+=(exu->rfu->arbiter_rfu->power.readOp.dynamic/32/**1.5)*/);
		value+=exu->rfu->OPC->local_result.power.readOp.dynamic/*/1.5*/;
		return value;
	}

	float get_coefficient_regwrites_accesses(){return ((exu->rfu->IRF->local_result.power.writeOp.dynamic/32)*(4*2)/*/1.5*/);}

	float get_coefficient_noregfileops_accesses(){return ((exu->rfu->xbar_rfu->power.readOp.dynamic/(32/**1.5*/))+
			(exu->rfu->arbiter_rfu->power.readOp.dynamic/(32/**1.5*/))+
			(exu->rfu->OPC->local_result.power.readOp.dynamic/*/(1.5)*/));}

	float get_coefficient_ialu_accesses(){
		//return 10*exu->exeu->per_access_energy*g_tp.sckt_co_eff;
		return exu->exeu->per_access_energy*g_tp.sckt_co_eff;
		}

	float get_coefficient_sfu_accesses(){
		return exu->mul->per_access_energy*g_tp.sckt_co_eff;
		//return 2.6*exu->mul->per_access_energy*g_tp.sckt_co_eff;
		}

	float get_coefficient_fpu_accesses(){
		//return 3.2*exu->fp_u->per_access_energy*g_tp.sckt_co_eff;
		return exu->fp_u->per_access_energy*g_tp.sckt_co_eff;
		}

	float get_coefficient_duty_cycle()
	{
		float value=0;
		float num_units=4.0;
		value=XML->sys.total_cycles * XML->sys.number_of_cores;
		value*=coredynp.num_pipelines;
		value/=num_units;
		value*=corepipe->power.readOp.dynamic;
		value*=3;
		return value;
		//return 1.5*value;
	}



	void compute();
	~Core();
};

#endif /* CORE_H_ */