output_blif.h File Reference

Go to the source code of this file.

Functions

void output_blif (char *file_name, netlist_t *netlist)

Function Documentation

void output_blif ( char *  file_name,
netlist_t *  netlist 
)

Definition at line 51 of file output_blif.c.

00052 {
00053         int i;
00054         int count = 0;
00055         short first_time_inputs = FALSE;
00056         short first_time_outputs = FALSE;
00057         FILE *out;
00058         char *out_file;
00059 
00060         /* open the file for output */
00061         if (global_args.high_level_block != NULL)
00062         {
00063                 out_file = (char*)malloc(sizeof(char)*(1+strlen(file_name)+strlen(global_args.high_level_block)+6)); 
00064                 sprintf(out_file, "%s_%s.blif", file_name, global_args.high_level_block); 
00065                 out = fopen(out_file, "w");
00066         }
00067         else
00068         {
00069                 out = fopen(file_name, "w");
00070         }
00071         
00072         if (out == NULL)
00073         {
00074                 error_message(NETLIST_ERROR, -1, -1, "Could not open output file %s\n", file_name);
00075         }
00076 
00077         fprintf(out, ".model %s\n", top_module->children[0]->types.identifier);
00078 
00079         /* generate all te signals */
00080         for (i = 0; i < netlist->num_top_input_nodes; i++)
00081         {
00082                 if (first_time_inputs == FALSE)
00083                 {
00084                         count = fprintf(out, ".inputs");
00085                         first_time_inputs = TRUE;
00086                 }
00087 
00088                 if (global_args.high_level_block != NULL)
00089                 {
00090                         if (strlen(netlist->top_input_nodes[i]->name) + count < 79)
00091                                 count = count + fprintf(out, " %s^^%i-%i", netlist->top_input_nodes[i]->name, netlist->top_input_nodes[i]->related_ast_node->far_tag, netlist->top_input_nodes[i]->related_ast_node->high_number);
00092                         else
00093                         {
00094                                 /* wrapping line */
00095                                 count = fprintf(out, " \\\n %s^^%i-%i", netlist->top_input_nodes[i]->name,netlist->top_input_nodes[i]->related_ast_node->far_tag, netlist->top_input_nodes[i]->related_ast_node->high_number);
00096                                 count = count - 3;
00097                         }
00098                 }
00099                 else
00100                 {
00101                         if (strlen(netlist->top_input_nodes[i]->name) + count < 79)
00102                         {
00103                                 count = count + fprintf(out, " %s", netlist->top_input_nodes[i]->name);
00104                         }
00105                         else
00106                         {
00107                                 /* wrapping line */
00108                                 count = fprintf(out, " \\\n %s", netlist->top_input_nodes[i]->name);
00109                                 count = count - 3;
00110                         }
00111                 }
00112         }
00113         fprintf(out, "\n");
00114 
00115         count = 0;
00116         for (i = 0; i < netlist->num_top_output_nodes; i++)
00117         {
00118                 if (netlist->top_output_nodes[i]->input_pins[0]->net->driver_pin == NULL)
00119                 {
00120                         warning_message(NETLIST_ERROR, netlist->top_output_nodes[i]->related_ast_node->line_number, netlist->top_output_nodes[i]->related_ast_node->file_number, "This output is undriven (%s) and will be removed\n", netlist->top_output_nodes[i]->name);
00121                 }
00122                 else
00123                 {       
00124                         if (first_time_outputs == FALSE)
00125                         {
00126                                 count = fprintf(out, ".outputs");
00127                                 first_time_outputs = TRUE;
00128                         }
00129 
00130                         if (global_args.high_level_block != NULL)
00131                         {
00132                                 if ((strlen(netlist->top_output_nodes[i]->name) + count) < 79)
00133                                         count = count + fprintf(out, " %s^^%i-%i", netlist->top_output_nodes[i]->name,netlist->top_output_nodes[i]->related_ast_node->far_tag, netlist->top_output_nodes[i]->related_ast_node->high_number);
00134                                 else
00135                                 {
00136                                         /* wrapping line */
00137                                         count = fprintf(out, "\\\n %s^^%i-%i", netlist->top_output_nodes[i]->name,netlist->top_output_nodes[i]->related_ast_node->far_tag, netlist->top_output_nodes[i]->related_ast_node->high_number);
00138                                         count = count - 3;
00139                                 }
00140                         }
00141                         else
00142                         {
00143                                 if ((strlen(netlist->top_output_nodes[i]->name) + count) < 79)
00144                                         count = count + fprintf(out, " %s", netlist->top_output_nodes[i]->name);
00145                                 else
00146                                 {
00147                                         /* wrapping line */
00148                                         count = fprintf(out, "\\\n %s", netlist->top_output_nodes[i]->name);
00149                                         count = count - 3;
00150                                 }
00151                         }
00152                 }
00153         }
00154         fprintf(out, "\n");
00155 
00156         /* add gnd, unconn, and vcc */
00157         fprintf(out, "\n.names gnd\n.names unconn\n.names vcc\n1\n");
00158         fprintf(out, "\n");
00159 
00160         /* traverse the internals of the flat net-list */
00161         if (strcmp(configuration.output_type, "blif") == 0)
00162         {
00163                 depth_first_traversal_to_output(OUTPUT_TRAVERSE_VALUE, out, netlist);   
00164         }
00165         else
00166                 oassert(FALSE);
00167 
00168         /* connect all the outputs up to the last gate */
00169         for (i = 0; i < netlist->num_top_output_nodes; i++)
00170         {
00171                 /* KEN -- DPRAM WORKING HERE FOR JASON */
00172                 if (netlist->top_output_nodes[i]->input_pins[0]->net->driver_pin != NULL)
00173                 {
00174                         if (global_args.high_level_block != NULL)
00175                         {
00176                                 fprintf(out, ".names %s^^%i-%i %s^^%i-%i\n1 1\n", netlist->top_output_nodes[i]->input_pins[0]->net->driver_pin->node->name,netlist->top_output_nodes[i]->input_pins[0]->net->driver_pin->node->related_ast_node->far_tag, netlist->top_output_nodes[i]->input_pins[0]->net->driver_pin->node->related_ast_node->high_number, netlist->top_output_nodes[i]->name, netlist->top_output_nodes[i]->related_ast_node->far_tag, netlist->top_output_nodes[i]->related_ast_node->high_number);  
00177                         }
00178                         else
00179                         {
00180                                 if (netlist->top_output_nodes[i]->input_pins[0]->net->driver_pin->mapping != NULL)
00181                                         fprintf(out, ".names %s %s\n1 1\n", netlist->top_output_nodes[i]->input_pins[0]->net->driver_pin->name, netlist->top_output_nodes[i]->name);  
00182                                 else
00183                                         fprintf(out, ".names %s %s\n1 1\n", netlist->top_output_nodes[i]->input_pins[0]->net->driver_pin->node->name, netlist->top_output_nodes[i]->name);  
00184                         }
00185 
00186                 }
00187         }
00188 
00189         /* finish off the top level module */
00190         fprintf(out, ".end\n");
00191         fprintf(out, "\n");
00192 
00193         /* Print out any hard block modules */
00194 #ifdef VPR6
00195         add_the_blackbox_for_mults(out);
00196         output_hard_blocks(out);
00197 #endif
00198 
00199         fclose(out);
00200 }

Here is the call graph for this function:

Here is the caller graph for this function:

Generated on Tue Aug 2 10:43:39 2011 for ODIN_II by  doxygen 1.6.3