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-rw-r--r--techlibs/efinix/synth_efinix.cc26
1 files changed, 19 insertions, 7 deletions
diff --git a/techlibs/efinix/synth_efinix.cc b/techlibs/efinix/synth_efinix.cc
index 26a8d4eda..0efd91708 100644
--- a/techlibs/efinix/synth_efinix.cc
+++ b/techlibs/efinix/synth_efinix.cc
@@ -58,7 +58,10 @@ struct SynthEfinixPass : public ScriptPass
log(" do not flatten design before synthesis\n");
log("\n");
log(" -retime\n");
- log(" run 'abc' with -dff option\n");
+ log(" run 'abc' with '-dff -D 1' options\n");
+ log("\n");
+ log(" -nobram\n");
+ log(" do not use EFX_RAM_5K cells in output netlist\n");
log("\n");
log("\n");
log("The following commands are executed by this synthesis command:\n");
@@ -67,7 +70,7 @@ struct SynthEfinixPass : public ScriptPass
}
string top_opt, edif_file, json_file;
- bool flatten, retime;
+ bool flatten, retime, nobram;
void clear_flags() YS_OVERRIDE
{
@@ -76,6 +79,7 @@ struct SynthEfinixPass : public ScriptPass
json_file = "";
flatten = true;
retime = false;
+ nobram = false;
}
void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE
@@ -114,6 +118,10 @@ struct SynthEfinixPass : public ScriptPass
retime = true;
continue;
}
+ if (args[argidx] == "-nobram") {
+ nobram = true;
+ continue;
+ }
break;
}
extra_args(args, argidx, design);
@@ -150,21 +158,25 @@ struct SynthEfinixPass : public ScriptPass
run("synth -run coarse");
}
- if (check_label("map_bram", "(skip if -nobram)"))
+ if (!nobram || check_label("map_bram", "(skip if -nobram)"))
{
- run("memory_bram -rules +/efinix/bram.txt");
+ run("memory_bram -rules +/efinix/brams.txt");
run("techmap -map +/efinix/brams_map.v");
run("setundef -zero -params t:EFX_RAM_5K");
}
- if (check_label("fine"))
+ if (check_label("map_ffram"))
{
run("opt -fast -mux_undef -undriven -fine");
run("memory_map");
run("opt -undriven -fine");
+ }
+
+ if (check_label("map_gates"))
+ {
run("techmap -map +/techmap.v -map +/efinix/arith_map.v");
if (retime || help_mode)
- run("abc -dff", "(only if -retime)");
+ run("abc -dff -D 1", "(only if -retime)");
}
if (check_label("map_ffs"))
@@ -194,7 +206,7 @@ struct SynthEfinixPass : public ScriptPass
run("efinix_fixcarry");
run("clean");
}
-
+
if (check_label("check"))
{
run("hierarchy -check");