NIRGAM

00001 
00002 /*
00003  * VCAllocator.h
00004  *
00005  * This program is free software; you can redistribute it and/or
00006  * modify it under the terms of the GNU General Public License,
00007  * version 2, as published by the Free Software Foundation.
00008  *
00009  * This program is distributed in the hope that it will be useful,
00010  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012  * GNU General Public License for more details.
00013  *
00014  * You should have received a copy of the GNU General Public License along
00015  * with this program; if not, write to the Free Software Foundation, Inc.,
00016  * 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
00017  *
00018  * Author: Lavina Jain
00019  *
00020  */
00021 
00026 
00027 #ifndef _VC_ALLOC_
00028 #define _VC_ALLOC_
00029 
00030 #include "systemc.h"
00031 #include "credit.h"
00032 #include "../config/constants.h"
00033 #include "flit.h"
00034 #include <string>
00035 #include <fstream>
00036 #include <iostream>
00037 
00039 using namespace std;
00040 
00046 template<UI num_ip = NUM_IC>
00047 struct VCAllocator : public sc_module {
00048         
00049         // PORTS //////////////////////////////////////////////////////////////////////////////////     
00050         sc_in<bool> switch_cntrl;                               
00051         sc_in<bool> vcRequest[num_ip];                          
00052         sc_in<sc_uint<2> > opRequest[num_ip];                   
00053                 
00054         sc_out<sc_uint<VCS_BITSIZE+1> > nextVCID[num_ip];       
00055         sc_out<bool> vcReady[num_ip];                           
00056         
00057         sc_in<creditLine> Icredit[num_ip][NUM_VCS];             
00058         // PORTS END ////////////////////////////////////////////////////////////////////////////////// 
00059         
00061         SC_CTOR(VCAllocator);
00062 
00063         // FUNCTIONS /////////////////////////////////////////////////////////////////////////////
00064         void allocate_VC();     
00065         void update_credit();   
00066 
00067         void setTileID(UI tileID, UI portN, UI portS, UI portE, UI portW);
00068         sc_uint<VCS_BITSIZE+1> getNextVCID(int,int);    
00069         // FUNCTIONS END /////////////////////////////////////////////////////////////////////////////
00070         
00071         // VARIABLES /////////////////////////////////////////////////////////////////////////////
00072         bool vcFree[num_ip][NUM_VCS];   
00073         UI tileID;      
00074         UI portN;       
00075         UI portS;       
00076         UI portE;       
00077         UI portW;       
00078         // VARIABLES END /////////////////////////////////////////////////////////////////////////////
00079 };
00080 
00081 #endif