aboutsummaryrefslogtreecommitdiffstats
path: root/techlibs/xilinx/synth_xilinx.cc
diff options
context:
space:
mode:
Diffstat (limited to 'techlibs/xilinx/synth_xilinx.cc')
-rw-r--r--techlibs/xilinx/synth_xilinx.cc47
1 files changed, 30 insertions, 17 deletions
diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc
index 805ae8e6e..0058f626f 100644
--- a/techlibs/xilinx/synth_xilinx.cc
+++ b/techlibs/xilinx/synth_xilinx.cc
@@ -80,6 +80,9 @@ struct SynthXilinxPass : public Pass
log(" -retime\n");
log(" run 'abc' with -dff option\n");
log("\n");
+ log(" -abc9\n");
+ log(" use abc9 instead of abc\n");
+ log("\n");
log("\n");
log("The following commands are executed by this synthesis command:\n");
log("\n");
@@ -110,19 +113,20 @@ struct SynthXilinxPass : public Pass
log(" dffsr2dff\n");
log(" dff2dffe\n");
log(" opt -full\n");
- log(" techmap -map +/techmap.v -map +/xilinx/arith_map.v -map +/xilinx/ff_map.v\n");
+ log(" techmap -map +/xilinx/arith_map.v\n");
log(" opt -fast\n");
log("\n");
- log(" map_luts:\n");
- log(" abc -luts 2:2,3,6:5,10,20 [-dff] (without '-vpr' only!)\n");
- log(" abc -lut 5 [-dff] (with '-vpr' only!)\n");
- log(" clean\n");
- log("\n");
log(" map_cells:\n");
log(" techmap -map +/xilinx/cells_map.v\n");
+ log(" opt -fast\n");
+ log("\n");
+ log(" map_luts:\n");
+ log(" techmap -map +/techmap.v\n");
+ log(" abc -luts 2:2,3,6:5,10,20 [-dff]\n");
+ log(" clean\n");
+ log(" techmap -map +/xilinx/lut_map.v -map +/xilinx/ff_map.v\n");
log(" dffinit -ff FDRE Q INIT -ff FDCE Q INIT -ff FDPE Q INIT -ff FDSE Q INIT \\\n");
log(" -ff FDRE_1 Q INIT -ff FDCE_1 Q INIT -ff FDPE_1 Q INIT -ff FDSE_1 Q INIT\n");
- log(" clean\n");
log("\n");
log(" check:\n");
log(" hierarchy -check\n");
@@ -142,6 +146,7 @@ struct SynthXilinxPass : public Pass
std::string edif_file;
std::string blif_file;
std::string run_from, run_to;
+ std::string abc = "abc";
bool flatten = false;
bool retime = false;
bool vpr = false;
@@ -191,6 +196,10 @@ struct SynthXilinxPass : public Pass
nodram = true;
continue;
}
+ if (args[argidx] == "-abc9") {
+ abc = "abc9";
+ continue;
+ }
break;
}
extra_args(args, argidx, design);
@@ -249,35 +258,39 @@ struct SynthXilinxPass : public Pass
if (check_label(active, run_from, run_to, "fine"))
{
- Pass::call(design, "opt -fast -full");
+ Pass::call(design, "opt -fast");
Pass::call(design, "memory_map");
Pass::call(design, "dffsr2dff");
Pass::call(design, "dff2dffe");
- Pass::call(design, "opt -full");
if (vpr) {
- Pass::call(design, "techmap -map +/techmap.v -map +/xilinx/arith_map.v -map +/xilinx/ff_map.v -D _EXPLICIT_CARRY");
+ Pass::call(design, "techmap -map +/xilinx/arith_map.v -D _EXPLICIT_CARRY");
} else {
- Pass::call(design, "techmap -map +/techmap.v -map +/xilinx/arith_map.v -map +/xilinx/ff_map.v");
+ Pass::call(design, "techmap -map +/xilinx/arith_map.v");
}
Pass::call(design, "hierarchy -check");
Pass::call(design, "opt -fast");
}
- if (check_label(active, run_from, run_to, "map_luts"))
+ if (check_label(active, run_from, run_to, "map_cells"))
{
- Pass::call(design, "abc -luts 2:2,3,6:5,10,20" + string(retime ? " -dff" : ""));
+ Pass::call(design, "techmap -map +/xilinx/cells_map.v");
Pass::call(design, "clean");
- Pass::call(design, "techmap -map +/xilinx/lut_map.v");
}
- if (check_label(active, run_from, run_to, "map_cells"))
+ if (check_label(active, run_from, run_to, "map_luts"))
{
- Pass::call(design, "techmap -map +/xilinx/cells_map.v");
+ Pass::call(design, "opt -full");
+ Pass::call(design, "techmap -map +/techmap.v");
+ if (abc == "abc9")
+ Pass::call(design, abc + " -lut +/xilinx/cells.lut -box +/xilinx/cells.box" + string(retime ? " -dff" : ""));
+ else
+ Pass::call(design, abc + " -luts 2:2,3,6:5,10,20" + string(retime ? " -dff" : ""));
+ Pass::call(design, "clean");
+ Pass::call(design, "techmap -map +/xilinx/lut_map.v -map +/xilinx/ff_map.v");
Pass::call(design, "dffinit -ff FDRE Q INIT -ff FDCE Q INIT -ff FDPE Q INIT -ff FDSE Q INIT "
"-ff FDRE_1 Q INIT -ff FDCE_1 Q INIT -ff FDPE_1 Q INIT -ff FDSE_1 Q INIT");
- Pass::call(design, "clean");
}
if (check_label(active, run_from, run_to, "check"))