Add write_table command

diff --git a/backends/table/Makefile.inc b/backends/table/Makefile.inc
new file mode 100644 (file)
index 0000000..8cd1dc6
--- /dev/null
+++ b/backends/table/Makefile.inc
@@ -0,0 +1,3 @@
+
+OBJS += backends/table/table.o
+

diff --git a/backends/table/table.cc b/backends/table/table.cc
new file mode 100644 (file)
index 0000000..27b7edf
--- /dev/null
+++ b/backends/table/table.cc
@@ -0,0 +1,120 @@
+/*
+ *  yosys -- Yosys Open SYnthesis Suite
+ *
+ *  Copyright (C) 2012  Clifford Wolf <clifford@clifford.at>
+ *
+ *  Permission to use, copy, modify, and/or distribute this software for any
+ *  purpose with or without fee is hereby granted, provided that the above
+ *  copyright notice and this permission notice appear in all copies.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ *  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ *  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ *  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ *  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ *  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+
+#include "kernel/rtlil.h"
+#include "kernel/register.h"
+#include "kernel/sigtools.h"
+#include "kernel/celltypes.h"
+#include "kernel/log.h"
+#include <string>
+
+USING_YOSYS_NAMESPACE
+PRIVATE_NAMESPACE_BEGIN
+
+struct TableBackend : public Backend {
+       TableBackend() : Backend("table", "write design as connectivity table") { }
+       virtual void help()
+       {
+               //   |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
+               log("\n");
+               log("    write_table [options] [filename]\n");
+               log("\n");
+               log("Write the current design as connectivity table. The output is a tab-separated\n");
+               log("ASCII table with the following columns:\n");
+               log("\n");
+               log("  module name\n");
+               log("  cell name\n");
+               log("  cell type\n");
+               log("  cell port\n");
+               log("  direction\n");
+               log("  signal\n");
+               log("\n");
+               log("module inputs and outputs are output using cell type and port '-' and with\n");
+               log("'pi' (primary input) or 'po' (primary output) or 'pio' as direction.\n");
+       }
+       virtual void execute(std::ostream *&f, std::string filename, std::vector<std::string> args, RTLIL::Design *design)
+       {
+               log_header(design, "Executing TABLE backend.\n");
+
+               size_t argidx;
+               for (argidx = 1; argidx < args.size(); argidx++)
+               {
+                       // if (args[argidx] == "-top" && argidx+1 < args.size()) {
+                       //      top_module_name = args[++argidx];
+                       //      continue;
+                       // }
+                       break;
+               }
+               extra_args(f, filename, args, argidx);
+
+               design->sort();
+
+               for (auto module : design->modules())
+               {
+                       if (module->get_bool_attribute("\\blackbox"))
+                               continue;
+
+                       SigMap sigmap(module);
+
+                       for (auto wire : module->wires())
+                       {
+                               if (wire->port_id == 0)
+                                       continue;
+
+                               *f << log_id(module) << "\t";
+                               *f << log_id(wire) << "\t";
+                               *f << "-" << "\t";
+                               *f << "-" << "\t";
+
+                               if (wire->port_input && wire->port_output)
+                                       *f << "pio" << "\t";
+                               else if (wire->port_input)
+                                       *f << "pi" << "\t";
+                               else if (wire->port_output)
+                                       *f << "po" << "\t";
+                               else
+                                       log_abort();
+
+                               *f << log_signal(sigmap(wire)) << "\n";
+                       }
+
+                       for (auto cell : module->cells())
+                       for (auto conn : cell->connections())
+                       {
+                               *f << log_id(module) << "\t";
+                               *f << log_id(cell) << "\t";
+                               *f << log_id(cell->type) << "\t";
+                               *f << log_id(conn.first) << "\t";
+
+                               if (cell->input(conn.first) && cell->output(conn.first))
+                                       *f << "inout" << "\t";
+                               else if (cell->input(conn.first))
+                                       *f << "in" << "\t";
+                               else if (cell->output(conn.first))
+                                       *f << "out" << "\t";
+                               else
+                                       *f << "unkown" << "\t";
+
+                               *f << log_signal(sigmap(conn.second)) << "\n";
+                       }
+               }
+       }
+} TableBackend;
+
+PRIVATE_NAMESPACE_END