From 6a09f2a8565b6085a8ca730a42951bbcf2f721cb Mon Sep 17 00:00:00 2001
From: Eddie Hung <eddieh@ece.ubc.ca>
Date: Wed, 26 Dec 2018 17:10:52 -0800
Subject: [PATCH] Remove fasm writer

---
 xc7/main.cc |  6 -----
 xc7/xdl.cc  | 75 -----------------------------------------------------
 xc7/xdl.h   |  1 -
 3 files changed, 82 deletions(-)

diff --git a/xc7/main.cc b/xc7/main.cc
index 1ff585b3..cac9a397 100644
--- a/xc7/main.cc
+++ b/xc7/main.cc
@@ -56,7 +56,6 @@ po::options_description Xc7CommandHandler::getArchOptions()
     specific.add_options()("package", po::value<std::string>(), "set device package");
     specific.add_options()("pcf", po::value<std::string>(), "PCF constraints file to ingest");
     specific.add_options()("xdl", po::value<std::string>(), "XDL file to write");
-    specific.add_options()("fasm", po::value<std::string>(), "FASM file to write");
     //    specific.add_options()("tmfuzz", "run path delay estimate fuzzer");
     return specific;
 }
@@ -84,11 +83,6 @@ void Xc7CommandHandler::customBitstream(Context *ctx)
         std::ofstream f(filename);
         write_xdl(ctx, f);
     }
-    if (vm.count("fasm")) {
-        std::string filename = vm["fasm"].as<std::string>();
-        std::ofstream f(filename);
-        write_fasm(ctx, f);
-    }
 }
 
 void Xc7CommandHandler::setupArchContext(Context *ctx)
diff --git a/xc7/xdl.cc b/xc7/xdl.cc
index 317b4108..ef1be83e 100644
--- a/xc7/xdl.cc
+++ b/xc7/xdl.cc
@@ -282,79 +282,4 @@ void write_xdl(const Context *ctx, std::ostream &out)
     exporter(designPtr);
 }
 
-void write_fasm(const Context *ctx, std::ostream &out)
-{
-    auto designPtr = create_torc_design(ctx);
-
-    static const boost::regex re_loc(".+_X(\\d+)Y(\\d+)");
-    boost::smatch what;
-
-    // export the instances
-    Circuit::InstanceSharedPtrConstIterator pi = designPtr->instancesBegin();
-    Circuit::InstanceSharedPtrConstIterator ei = designPtr->instancesEnd();
-    for (; pi < ei; ++pi) {
-        std::stringstream ss;
-        ss << (*pi)->getTile() << '.';
-        const auto& type = (*pi)->getType();
-        if (type == "SLICEL") {
-            const auto& site_name = (*pi)->getSite();
-            if (!boost::regex_match(site_name, what, re_loc))
-                throw;
-
-            const auto x = boost::lexical_cast<int>(what.str(1));
-            ss << type << "_X" << static_cast<int>(x & 1) << '.';
-
-            out << "# " << (*pi)->getName() << std::endl;
-
-            auto pc = (*pi)->configBegin();
-            auto ec = (*pi)->configEnd();
-            for (; pc != ec; ++pc)
-                if (pc->first == "A6LUT" || pc->first == "B6LUT" || pc->first == "C6LUT" || pc->first == "D6LUT") {
-                    auto name = pc->second.getName();
-                    boost::replace_all(name, "\\:", ":");
-                    auto it = ctx->cells.find(ctx->id(name));
-                    if (it == ctx->cells.end()) it = ctx->cells.find(ctx->id(name + "_LC"));
-                    assert(it != ctx->cells.end());
-                    auto cell = it->second.get();
-                    const auto &init = cell->params[ctx->id("INIT")];
-                    if (cell->lcInfo.inputCount <= 5) {
-                        auto num_bits = (1 << cell->lcInfo.inputCount);
-                        auto init_as_uint = boost::lexical_cast<uint32_t>(init);
-                        out << ss.str() << pc->first[0] << pc->first.substr(2,std::string::npos) << ".INIT";
-                        out << "[" << num_bits-1 << ":0]" << "=";
-                        out << num_bits << "'b";
-                        for (auto i = 0; i < num_bits; ++i)
-                            out << ((init_as_uint >> i) & 1 ? '1' : '0');
-                        out << std::endl;
-                    }
-                    else {
-                        out << ss.str() << pc->first[0] << pc->first.substr(2,std::string::npos) << ".INIT[31:0]=";
-                        out << "32'b" << boost::adaptors::reverse(init.substr(0,32)) << std::endl;
-                        out << ss.str() << pc->first[0] << pc->first.substr(2,std::string::npos) << ".INIT[63:32]=";
-                        out << "32'b" << boost::adaptors::reverse(init.substr(32,32)) << std::endl;
-                    }
-                }
-                else
-                    out << ss.str() << pc->first << '.' << pc->second.getValue() << std::endl;
-            
-            out << std::endl;
-        }
-    }
-
-    // export the nets
-    Circuit::NetSharedPtrConstIterator pn = designPtr->netsBegin();
-    Circuit::NetSharedPtrConstIterator en = designPtr->netsEnd();
-    for (; pn < en; ++pn) {
-
-        out << "# " << (*pn)->getName() << std::endl;
-
-        auto pp = (*pn)->pipsBegin();
-        auto ep = (*pn)->pipsEnd();
-        for (; pp != ep; ++pp)
-            out << pp->getTileName() << "." << pp->getSourceWireName() << "." << pp->getSinkWireName() << std::endl;
-
-        out << std::endl;
-    }
-}
-
 NEXTPNR_NAMESPACE_END
diff --git a/xc7/xdl.h b/xc7/xdl.h
index 19ee10cc..19bc5478 100644
--- a/xc7/xdl.h
+++ b/xc7/xdl.h
@@ -27,7 +27,6 @@
 NEXTPNR_NAMESPACE_BEGIN
 
 void write_xdl(const Context *ctx, std::ostream &out);
-void write_fasm(const Context *ctx, std::ostream &out);
 
 NEXTPNR_NAMESPACE_END