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annotate ueda/sverp/output.c @ 0:cd92449fdb51

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initial import of ueda and ifctf-part-lib from ifctfvax CVS
author Space Falcon <falcon@ivan.Harhan.ORG>
date Mon, 20 Jul 2015 00:24:37 +0000
parents
children 7b4f78fcca08
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rev   line source
0
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
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1 /*
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
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2 * ueda-sverp netlist output
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3 */
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4
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5 #include <stdio.h>
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6 #include <strings.h>
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7 #include "struct.h"
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8
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9 extern struct output_net *output_net_head;
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10 extern struct output_element *output_element_head;
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11 extern int total_good_nets, total_singular_nets, total_null_nets;
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12 extern int total_output_elements;
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13 extern char *output_filename;
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14
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15 static FILE *outF;
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16 static int net_comment_column;
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17
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18 static void
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19 find_net_comment_column()
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20 {
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21 register struct output_net *net;
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22 register int len, maxlen;
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23
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24 maxlen = 0;
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25 for (net = output_net_head; net; net = net->next) {
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26 if (net->npoints < 2)
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27 continue;
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28 len = strlen(net->name);
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29 if (len > maxlen)
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30 maxlen = len;
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31 }
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32 maxlen += 4;
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33 do
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34 maxlen++;
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35 while (maxlen % 8);
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36 net_comment_column = maxlen;
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37 }
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38
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39 static void
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40 emit_good_nets()
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41 {
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42 register struct output_net *net;
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43 register int col;
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44
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45 fprintf(outF, "\n# Elaborated net wires (%d total):\n#\n",
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46 total_good_nets);
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47 for (net = output_net_head; net; net = net->next) {
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48 if (net->npoints < 2)
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49 continue;
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50 fprintf(outF, "NET %s", net->name);
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51 col = 4 + strlen(net->name);
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52 do {
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53 fputc('\t', outF);
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54 col += 8;
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55 col &= ~7;
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56 } while (col < net_comment_column);
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57 fprintf(outF, "# %d points\n", net->npoints);
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58 }
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59 }
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60
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61 static void
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62 emit_singular_nets()
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63 {
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64 register struct output_net *net;
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65
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66 fprintf(outF,
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67 "\n# Singular nets converted into no-connects (%d total):\n#\n",
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68 total_singular_nets);
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69 for (net = output_net_head; net; net = net->next) {
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70 if (net->npoints != 1)
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71 continue;
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72 fprintf(outF, "# %s\n", net->name);
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73 }
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74 }
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75
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76 static void
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77 emit_null_nets()
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78 {
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79 register struct output_net *net;
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80
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81 fprintf(outF, "\n# Net wires declared but not used (%d total):\n#\n",
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82 total_null_nets);
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83 for (net = output_net_head; net; net = net->next) {
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84 if (net->npoints)
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85 continue;
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86 fprintf(outF, "# %s\n", net->name);
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87 }
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88 }
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89
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90 static void
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91 emit_output_element(elem)
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92 struct output_element *elem;
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93 {
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94 register struct module_def *mod = elem->prim_def;
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95 register struct module_net_def *port;
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96 register struct output_net **connp = elem->connections, *conn;
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97 char *pinkw, *pinname;
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98
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99 fprintf(outF, "\nCOMPONENT %s {\n PRIMITIVE %s\n\n",
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100 elem->hier_inst_name, mod->name);
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101 if (mod->prim_is_mapped)
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102 pinkw = "PINMAP";
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103 else
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104 pinkw = "PIN";
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105 for (port = mod->nets; port; port = port->next) {
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106 pinname = port->name;
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107 if (mod->prim_numeric_pins)
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108 pinname += 4;
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109 fprintf(outF, " %s %s = ", pinkw, pinname);
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110 conn = *connp++;
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111 if (conn->name) {
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112 if (conn->npoints > 1)
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113 fprintf(outF, "NET %s", conn->name);
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114 else
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115 fprintf(outF, "NC (singular net %s)",
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116 conn->name);
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117 } else
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118 fprintf(outF, "NC (module %s line %d inst %s)",
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119 conn->nc_module_name, conn->nc_module_lineno,
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120 conn->nc_module_inst);
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121 fputc('\n', outF);
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122 }
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123 fputs("}\n", outF);
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124 }
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125
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126 static void
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127 emit_output_elements()
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
128 {
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
129 register struct output_element *elem;
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
130
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
131 fprintf(outF, "\n# Total instantiated components: %d\n",
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
132 total_output_elements);
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
133 for (elem = output_element_head; elem; elem = elem->next)
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
134 emit_output_element(elem);
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
135 }
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
136
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
137 generate_output()
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
138 {
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
139 outF = fopen(output_filename, "w");
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
140 if (!outF) {
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
141 perror(output_filename);
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
142 exit(1);
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
143 }
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
144 fputs("# This netlist has been generated by ueda-sverp\n", outF);
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
145 fputs("# from structural Verilog sources\n", outF);
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
146 if (total_good_nets) {
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
147 find_net_comment_column();
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
148 emit_good_nets();
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
149 }
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
150 if (total_singular_nets)
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
151 emit_singular_nets();
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
152 if (total_null_nets)
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
153 emit_null_nets();
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
154 emit_output_elements();
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
155 fclose(outF);
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
156 }