print_netlist.c

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#include <assert.h>
#include <stdio.h>
#include <string.h>
#include "util.h"
#include "vpr_types.h"
#include "globals.h"
#include "print_netlist.h"
#include "read_xml_arch_file.h"

/******************** Subroutines local to this module ***********************/

static void print_pinnum(FILE * fp, int pinnum);

/********************* Subroutine definitions ********************************/

void print_netlist(char *foutput, char *net_file) {

    /* Prints out the netlist related data structures into the file    *
     * fname.                                                          */

    int i, j, max_pin;
    int num_global_nets;
    int L_num_p_inputs, L_num_p_outputs;
    FILE *fp;

    num_global_nets = 0;
    L_num_p_inputs = 0;
    L_num_p_outputs = 0;

    /* Count number of global nets */
    for (i = 0; i < num_nets; i++) {
        if (clb_net[i].is_global) {
            num_global_nets++;
        }
    }

    /* Count I/O input and output pads */
    for (i = 0; i < num_blocks; i++) {
        if (block[i].type == IO_TYPE) {
            for (j = 0; j < IO_TYPE->num_pins; j++) {
                if (block[i].nets[j] != OPEN) {
                    if (IO_TYPE->class_inf[IO_TYPE->pin_class[j]].type
                            == DRIVER) {
                        L_num_p_inputs++;
                    } else {
                        assert(
                                IO_TYPE-> class_inf[IO_TYPE-> pin_class[j]]. type == RECEIVER);
                        L_num_p_outputs++;
                    }
                }
            }
        }
    }

    fp = my_fopen(foutput, "w", 0);

    fprintf(fp, "Input netlist file: %s\n", net_file);
    fprintf(fp, "L_num_p_inputs: %d, L_num_p_outputs: %d, num_clbs: %d\n",
            L_num_p_inputs, L_num_p_outputs, num_blocks);
    fprintf(fp, "num_blocks: %d, num_nets: %d, num_globals: %d\n", num_blocks,
            num_nets, num_global_nets);
    fprintf(fp, "\nNet\tName\t\t#Pins\tDriver\t\tRecvs. (block, pin)\n");

    for (i = 0; i < num_nets; i++) {
        fprintf(fp, "\n%d\t%s\t", i, clb_net[i].name);
        if (strlen(clb_net[i].name) < 8)
            fprintf(fp, "\t"); /* Name field is 16 chars wide */
        fprintf(fp, "%d", clb_net[i].num_sinks + 1);
        for (j = 0; j <= clb_net[i].num_sinks; j++)
            fprintf(fp, "\t(%4d,%4d)", clb_net[i].node_block[j],
                    clb_net[i].node_block_pin[j]);
    }

    fprintf(fp, "\nBlock\tName\t\tType\tPin Connections\n\n");

    for (i = 0; i < num_blocks; i++) {
        fprintf(fp, "\n%d\t%s\t", i, block[i].name);
        if (strlen(block[i].name) < 8)
            fprintf(fp, "\t"); /* Name field is 16 chars wide */
        fprintf(fp, "%s", block[i].type->name);

        max_pin = block[i].type->num_pins;

        for (j = 0; j < max_pin; j++)
            print_pinnum(fp, block[i].nets[j]);
    }

    fprintf(fp, "\n");

    /* TODO: Print out pb info */

    fclose(fp);
}

static void print_pinnum(FILE * fp, int pinnum) {

    /* This routine prints out either OPEN or the pin number, to file fp. */

    if (pinnum == OPEN)
        fprintf(fp, "\tOPEN");
    else
        fprintf(fp, "\t%d", pinnum);
}