libvpr/include/logic_types.h

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/**
 * @file
 *
 * Data types describing the logic (technology-mapped) models that the architecture can implement.
 * Logic models include LUT (.names), flipflop (.latch), inpad, outpad, memory slice, etc.
 *
 * Date: February 19, 2009
 * Authors: Jason Luu and Kenneth Kent
*/

#ifndef LOGIC_TYPES_H
#define LOGIC_TYPES_H

#include "util.h"

/** 
 * Logic model data types
 * A logic model is described by its I/O ports and function name
 */
enum PORTS {IN_PORT, OUT_PORT, INOUT_PORT, ERR_PORT};
typedef struct s_model_ports
{
        enum PORTS dir; /**< port direction */
        char *name;             /**< name of this port */
        int size;               /**< maximum number of pins */
        int min_size;   /**< minimum number of pins */
        boolean is_clock; /**< clock? */
        struct s_model_ports *next; /**< next port */

        int index;      /**< indexing for array look-up */
} t_model_ports;

typedef struct s_model
{
        char *name;                                             /**< name of this logic model */
        t_model_ports *inputs;                  /**< linked list of input/clock ports */
        t_model_ports *outputs;                 /**< linked list of output ports */
        void *instances;                                
        int used;                                               
        struct s_linked_vptr *pb_types; /**< Physical block types that implement this model */
        struct s_model *next;                   /**< next model (linked list) */

        int index;
} t_model;

#endif