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annotate ueda/unet-bind/output.c @ 101:ffab0a4424ad

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ueda: unet-bind program moved into sensibly named unet-bind subdir
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 29 Sep 2019 22:42:41 +0000
parents ueda/sverp-bind/output.c@6c7c79d37eff
children
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1 #include <stdio.h>
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2 #include <stdlib.h>
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3 #include <string.h>
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4 #include <strings.h>
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5 #include "../libueda/xga.h"
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6 #include "../libunet/nethash.h"
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7 #include "struct.h"
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8
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9 extern char *get_comp_attr();
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10
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11 extern char *MCLfile;
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12 extern char *input_filename;
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13 extern char *output_filename;
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14
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15 extern struct net *net_list_head;
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16 extern int ncomponents;
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17 extern struct outcomp *netlist_comps;
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18 extern struct outcomp *starpoint_list_head;
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19 extern struct wantattr *want_attr_list;
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20
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21 static FILE *outF;
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22
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23 generate_output()
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24 {
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25 if (output_filename) {
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26 outF = fopen(output_filename, "w");
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27 if (!outF) {
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28 perror(output_filename);
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29 exit(1);
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30 }
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31 } else
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32 outF = stdout;
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33 fprintf(outF, "# This netlist has been generated by unet-bind\n");
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34 fprintf(outF, "# from %s and %s\n", MCLfile, input_filename);
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35 if (net_list_head)
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36 emit_output_nets();
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37 if (starpoint_list_head)
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38 emit_output_starpoints();
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39 if (ncomponents)
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40 emit_output_components();
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41 if (outF != stdout)
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42 fclose(outF);
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43 }
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44
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45 emit_output_nets()
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46 {
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47 register struct net *n;
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48
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49 fprintf(outF, "\n# Nets unchanged from %s:\n#\n", input_filename);
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50 for (n = net_list_head; n; n = n->nextinlist)
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51 fprintf(outF, "NET %s\n", n->name);
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52 }
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53
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54 emit_output_components()
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55 {
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56 register int n;
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57
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58 fprintf(outF, "\n# %d components from MCL:\n", ncomponents);
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59 for (n = 0; n < ncomponents; n++)
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60 emit_component_block(netlist_comps + n, "COMPONENT");
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61 }
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62
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63 emit_output_starpoints()
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64 {
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65 register struct outcomp *oc;
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66
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67 fprintf(outF, "\n# Star connection points:\n");
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68 for (oc = starpoint_list_head; oc; oc = oc->next)
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69 emit_component_block(oc, "STARPOINT");
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70 }
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71
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72 static void
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73 emit_output_pin_number(oc, pinidx)
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74 register struct outcomp *oc;
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75 register int pinidx;
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76 {
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77 register struct grid_pkg_desc *xga = oc->grid_pkg;
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78 int r, c;
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79
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80 if (!xga) {
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81 fprintf(outF, "%d", pinidx + 1);
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82 return;
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83 }
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84 r = pinidx / xga->ncolumns;
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85 c = pinidx % xga->ncolumns;
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86 fprintf(outF, "%c%d", xga->row_letters[r], c + 1);
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87 }
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88
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89 static void
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90 emit_output_pin_line(oc, pinidx)
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91 register struct outcomp *oc;
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92 int pinidx;
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93 {
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94 register struct pinconn *conn;
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95
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96 fputs(" PIN ", outF);
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97 emit_output_pin_number(oc, pinidx);
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98 fputs(" = ", outF);
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99 conn = oc->conn_array[pinidx];
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100 if (!conn) {
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101 fprintf(outF, "NC (unet-bind found no connection)\n");
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102 return;
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103 }
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104 if (conn->net)
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105 fprintf(outF, "NET %s\n", conn->net->name);
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106 else
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107 fprintf(outF, "NC (%s)\n", conn->nc_comment);
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108 }
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109
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110 emit_component_block(oc, comp_type_kw)
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111 register struct outcomp *oc;
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112 char *comp_type_kw;
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113 {
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114 register int pinidx;
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115
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116 fprintf(outF, "\n%s %s {\n", comp_type_kw, oc->name);
22
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117 if (oc->altname)
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118 fprintf(outF, " ALTNAME %s\n", oc->altname);
32
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119 if (want_attr_list && oc->mclcomp)
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120 emit_component_attributes(oc->mclcomp);
22
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121 for (pinidx = 0; pinidx < oc->npins; pinidx++) {
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122 if (oc->grid_pkg && oc->grid_pkg->holes_array[pinidx])
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123 continue;
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124 emit_output_pin_line(oc, pinidx);
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125 }
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126 fputs("}\n", outF);
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127 }
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128
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129 emit_component_attributes(comp)
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130 struct component *comp;
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131 {
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132 register struct wantattr *wa;
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133 register char *value;
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134
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135 for (wa = want_attr_list; wa; wa = wa->next) {
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136 value = get_comp_attr(comp, wa->name);
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137 if (!value)
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138 continue;
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139 fprintf(outF, " ATTR %s=%s\n", wa->name, value);
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140 }
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141 }