summaryrefslogtreecommitdiff
path: root/techlibs/greenpak4/synth_greenpak4.cc
diff options
context:
space:
mode:
Diffstat (limited to 'techlibs/greenpak4/synth_greenpak4.cc')
-rw-r--r--techlibs/greenpak4/synth_greenpak4.cc15
1 files changed, 8 insertions, 7 deletions
diff --git a/techlibs/greenpak4/synth_greenpak4.cc b/techlibs/greenpak4/synth_greenpak4.cc
index 10e2a149..b91d5273 100644
--- a/techlibs/greenpak4/synth_greenpak4.cc
+++ b/techlibs/greenpak4/synth_greenpak4.cc
@@ -29,13 +29,15 @@ struct SynthGreenPAK4Pass : public ScriptPass
{
SynthGreenPAK4Pass() : ScriptPass("synth_greenpak4", "synthesis for GreenPAK4 FPGAs") { }
- virtual void help() YS_OVERRIDE
+ void help() YS_OVERRIDE
{
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
log("\n");
log(" synth_greenpak4 [options]\n");
log("\n");
log("This command runs synthesis for GreenPAK4 FPGAs. This work is experimental.\n");
+ log("It is intended to be used with https://github.com/azonenberg/openfpga as the\n");
+ log("place-and-route.\n");
log("\n");
log(" -top <module>\n");
log(" use the specified module as top module (default='top')\n");
@@ -68,7 +70,7 @@ struct SynthGreenPAK4Pass : public ScriptPass
string top_opt, part, json_file;
bool flatten, retime;
- virtual void clear_flags() YS_OVERRIDE
+ void clear_flags() YS_OVERRIDE
{
top_opt = "-auto-top";
part = "SLG46621V";
@@ -77,7 +79,7 @@ struct SynthGreenPAK4Pass : public ScriptPass
retime = false;
}
- virtual void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE
+ void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE
{
string run_from, run_to;
clear_flags();
@@ -131,7 +133,7 @@ struct SynthGreenPAK4Pass : public ScriptPass
log_pop();
}
- virtual void script() YS_OVERRIDE
+ void script() YS_OVERRIDE
{
if (check_label("begin"))
{
@@ -153,12 +155,13 @@ struct SynthGreenPAK4Pass : public ScriptPass
if (check_label("fine"))
{
- run("greenpak4_counters");
+ run("extract_counter -pout GP_DCMP,GP_DAC -maxwidth 14");
run("clean");
run("opt -fast -mux_undef -undriven -fine");
run("memory_map");
run("opt -undriven -fine");
run("techmap");
+ run("techmap -map +/greenpak4/cells_latch.v");
run("dfflibmap -prepare -liberty +/greenpak4/gp_dff.lib");
run("opt -fast");
if (retime || help_mode)
@@ -201,8 +204,6 @@ struct SynthGreenPAK4Pass : public ScriptPass
if (!json_file.empty() || help_mode)
run(stringf("write_json %s", help_mode ? "<file-name>" : json_file.c_str()));
}
-
- log_pop();
}
} SynthGreenPAK4Pass;