mirrors/yosys
3
0
Fork 0
mirror of https://github.com/YosysHQ/yosys synced 2025-04-06 17:44:09 +00:00
Code Activity

Remove ALL currently unused flags (some to be reintroduced later and passed through to synth)

Browse source
This commit is contained in:
TaoBi22 2022-09-27 16:30:10 +01:00 committed by myrtle
parent 2e9480be24
commit 8fdf4948a8
1 changed files with 3 additions and 82 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

85
techlibs/fabulous/synth_fabulous.cc
View file

@ -48,72 +48,34 @@ struct SynthPass : public ScriptPass
log(" flatten the design before synthesis. this will pass '-auto-top' to\n");
log(" 'hierarchy' if no top module is specified.\n");
log("\n");
log(" -encfile <file>\n");
log(" passed to 'fsm_recode' via 'fsm'\n");
log("\n");
log(" -lut <k>\n");
log(" perform synthesis for a k-LUT architecture (default 4).\n");
log("\n");
log(" -nofsm\n");
log(" do not run FSM optimization\n");
log("\n");
log(" -noabc\n");
log(" do not run abc (as if yosys was compiled without ABC support)\n");
log("\n");
log(" -noalumacc\n");
log(" do not run 'alumacc' pass. i.e. keep arithmetic operators in\n");
log(" their direct form ($add, $sub, etc.).\n");
log("\n");
log(" -nordff\n");
log(" passed to 'memory'. prohibits merging of FFs into memory read ports\n");
log("\n");
log(" -noshare\n");
log(" do not run SAT-based resource sharing\n");
log("\n");
log(" -run <from_label>[:<to_label>]\n");
log(" only run the commands between the labels (see below). an empty\n");
log(" from label is synonymous to 'begin', and empty to label is\n");
log(" synonymous to the end of the command list.\n");
log("\n");
log(" -abc9\n");
log(" use new ABC9 flow (EXPERIMENTAL)\n");
log("\n");
log(" -flowmap\n");
log(" use FlowMap LUT techmapping instead of ABC\n");
log("\n");
log(" -no-rw-check\n");
log(" marks all recognized read ports as \"return don't-care value on\n");
log(" read/write collision\" (same result as setting the no_rw_check\n");
log(" attribute on all memories).\n");
log("\n");
log("\n");
log("The following commands are executed by this synthesis command:\n");
help_script();
log("\n");
}
string top_module, fsm_opts, memory_opts, abc;
bool autotop, flatten, noalumacc, nofsm, noabc, noshare, flowmap, forvpr;
string top_module;
bool autotop, flatten, forvpr;
int lut;
void clear_flags() override
{
top_module.clear();
fsm_opts.clear();
memory_opts.clear();
autotop = false;
flatten = false;
lut = 4;
noalumacc = false;
nofsm = false;
noabc = false;
noshare = false;
flowmap = false;
forvpr = false;
abc = "abc";
}
// TODO: bring back relevant flags to carry through to synth call
void execute(std::vector<std::string> args, RTLIL::Design *design) override
{
string run_from, run_to;
@ -126,10 +88,6 @@ struct SynthPass : public ScriptPass
top_module = args[++argidx];
continue;
}
if (args[argidx] == "-encfile" && argidx+1 < args.size()) {
fsm_opts = " -encfile " + args[++argidx];
continue;
}
if (args[argidx] == "-run" && argidx+1 < args.size()) {
size_t pos = args[argidx+1].find(':');
if (pos == std::string::npos) {
@ -157,38 +115,6 @@ struct SynthPass : public ScriptPass
lut = atoi(args[++argidx].c_str());
continue;
}
if (args[argidx] == "-nofsm") {
nofsm = true;
continue;
}
if (args[argidx] == "-noabc") {
noabc = true;
continue;
}
if (args[argidx] == "-noalumacc") {
noalumacc = true;
continue;
}
if (args[argidx] == "-nordff") {
memory_opts += " -nordff";
continue;
}
if (args[argidx] == "-noshare") {
noshare = true;
continue;
}
if (args[argidx] == "-abc9") {
abc = "abc9";
continue;
}
if (args[argidx] == "-flowmap") {
flowmap = true;
continue;
}
if (args[argidx] == "-no-rw-check") {
memory_opts += " -no-rw-check";
continue;
}
break;
}
extra_args(args, argidx, design);
@ -196,11 +122,6 @@ struct SynthPass : public ScriptPass
if (!design->full_selection())
log_cmd_error("This command only operates on fully selected designs!\n");
if (abc == "abc9" && !lut)
log_cmd_error("ABC9 flow only supported for FPGA synthesis (using '-lut' option)\n");
if (flowmap && !lut)
log_cmd_error("FlowMap is only supported for FPGA synthesis (using '-lut' option)\n");
log_header(design, "Executing SYNTH pass.\n");
log_push();