FreeCalypso > hg > ueda-linux

annotate ueda/sverp/output.c @ 83:88cdef7e6b1b

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BOM tallying code factored out of ueda-mkbom
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 23 Feb 2017 19:27:14 +0000
parents 7b4f78fcca08
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
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1 /*
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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>
4
7b4f78fcca08 ueda/sverp Linuxified
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6 #include <stdlib.h>
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7 #include <string.h>
0
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8 #include <strings.h>
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9 #include "struct.h"
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10
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11 extern struct output_net *output_net_head;
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12 extern struct output_element *output_element_head;
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13 extern int total_good_nets, total_singular_nets, total_null_nets;
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14 extern int total_output_elements;
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15 extern char *output_filename;
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16
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17 static FILE *outF;
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18 static int net_comment_column;
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19
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20 static void
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21 find_net_comment_column()
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22 {
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23 register struct output_net *net;
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24 register int len, maxlen;
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25
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26 maxlen = 0;
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27 for (net = output_net_head; net; net = net->next) {
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28 if (net->npoints < 2)
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29 continue;
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30 len = strlen(net->name);
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31 if (len > maxlen)
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32 maxlen = len;
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33 }
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34 maxlen += 4;
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35 do
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36 maxlen++;
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37 while (maxlen % 8);
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38 net_comment_column = maxlen;
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39 }
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40
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41 static void
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42 emit_good_nets()
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43 {
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44 register struct output_net *net;
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45 register int col;
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46
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47 fprintf(outF, "\n# Elaborated net wires (%d total):\n#\n",
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48 total_good_nets);
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49 for (net = output_net_head; net; net = net->next) {
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50 if (net->npoints < 2)
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51 continue;
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52 fprintf(outF, "NET %s", net->name);
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53 col = 4 + strlen(net->name);
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54 do {
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55 fputc('\t', outF);
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56 col += 8;
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57 col &= ~7;
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58 } while (col < net_comment_column);
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59 fprintf(outF, "# %d points\n", net->npoints);
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60 }
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61 }
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62
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63 static void
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64 emit_singular_nets()
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65 {
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66 register struct output_net *net;
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67
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68 fprintf(outF,
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69 "\n# Singular nets converted into no-connects (%d total):\n#\n",
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70 total_singular_nets);
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71 for (net = output_net_head; net; net = net->next) {
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72 if (net->npoints != 1)
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73 continue;
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74 fprintf(outF, "# %s\n", net->name);
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75 }
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76 }
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77
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78 static void
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79 emit_null_nets()
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80 {
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81 register struct output_net *net;
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82
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83 fprintf(outF, "\n# Net wires declared but not used (%d total):\n#\n",
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84 total_null_nets);
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85 for (net = output_net_head; net; net = net->next) {
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86 if (net->npoints)
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87 continue;
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88 fprintf(outF, "# %s\n", net->name);
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89 }
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90 }
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91
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92 static void
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93 emit_output_element(elem)
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94 struct output_element *elem;
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95 {
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96 register struct module_def *mod = elem->prim_def;
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97 register struct module_net_def *port;
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98 register struct output_net **connp = elem->connections, *conn;
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99 char *pinkw, *pinname;
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100
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101 fprintf(outF, "\nCOMPONENT %s {\n PRIMITIVE %s\n\n",
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102 elem->hier_inst_name, mod->name);
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103 if (mod->prim_is_mapped)
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104 pinkw = "PINMAP";
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105 else
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106 pinkw = "PIN";
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107 for (port = mod->nets; port; port = port->next) {
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108 pinname = port->name;
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109 if (mod->prim_numeric_pins)
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110 pinname += 4;
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111 fprintf(outF, " %s %s = ", pinkw, pinname);
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112 conn = *connp++;
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113 if (conn->name) {
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114 if (conn->npoints > 1)
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115 fprintf(outF, "NET %s", conn->name);
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116 else
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117 fprintf(outF, "NC (singular net %s)",
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118 conn->name);
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119 } else
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120 fprintf(outF, "NC (module %s line %d inst %s)",
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121 conn->nc_module_name, conn->nc_module_lineno,
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122 conn->nc_module_inst);
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123 fputc('\n', outF);
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124 }
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125 fputs("}\n", outF);
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126 }
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127
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Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
128 static void
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
129 emit_output_elements()
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 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
132
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
133 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
134 total_output_elements);
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
135 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
136 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
137 }
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 generate_output()
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
140 {
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
141 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
142 if (!outF) {
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
143 perror(output_filename);
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
144 exit(1);
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
145 }
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
146 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
147 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
148 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
149 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
150 emit_good_nets();
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
151 }
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
152 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
153 emit_singular_nets();
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
154 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
155 emit_null_nets();
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
156 emit_output_elements();
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
157 fclose(outF);
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
158 }