NIRGAM
A Simulator for NoC Interconnect Routing and Application Modeling

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constants.h

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/*
 * constants.h
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
 *
 * Author: Lavina Jain
 *
 */


#ifndef _TYPES_H_
#define _TYPES_H_

#define CURRENT_TIME sc_simulation_time()

#define NUM_VCS 1

// parameters for topology
#define MAX_NUM_ROWS 9

#define MAX_NUM_COLS 9

#define MAX_NUM_TILES MAX_NUM_ROWS * MAX_NUM_COLS

// parameters for NWTile
#define NUM_NB 4

#define NUM_IC 5

#define NUM_OC 5

// parameters for mesh (non-toroidal) topology
#define NUM_NB_C 2

#define NUM_IC_C 3

#define NUM_OC_C 3

// parameters for mesh (non-toroidal) topology
#define NUM_NB_B 3

#define NUM_IC_B 4

#define NUM_OC_B 4

// direction ids
#define N 0

#define S 1

#define E 2

#define W 3

#define C 4

#define ND 5

// buffer parameters
#define BUF_BITSIZE     4

#define MAX_NUM_BUFS    16

// parameters for bitwidth
#define ADDR_SIZE 32
#define VCS_BITSIZE 2

enum flit_type{
        HEAD,
        DATA,
        TAIL,
        HDT
};

enum pkt_type {
        ANT,
        NOC
};

enum ant_type {
        FORWARD,
        BACKWARD
};

enum routing_type {
        SOURCE,
        XY,
        OE
};

enum request_type {
        NONE,
        ROUTE,
        UPDATE
};

enum topology {
        MESH,
        TORUS
};

#define UI  unsigned int
#define UL  unsigned long
#define ULL unsigned long long

#define borderN(ID) ((ID) < num_cols)
#define borderS(ID) ((ID) >= num_tiles - num_cols)
#define borderE(ID) (((ID) + 1) % num_cols == 0)
#define borderW(ID) (((ID) % num_cols) == 0)

#define border(ID) (borderN(ID) || borderS(ID) || borderE(ID) || borderW(ID))

#define cornerNW(ID) ((ID) == 0)
#define cornerNE(ID) ((ID) == num_cols - 1)
#define cornerSW(ID) ((ID) == num_tiles - num_cols)
#define cornerSE(ID) ((ID) == num_tiles - 1)

#define corner(ID) (cornerNW(ID) || cornerNE(ID) || cornerSW(ID) || cornerSE(ID))

#endif

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