mirrors/yosys
3
0
Fork 0
mirror of https://github.com/YosysHQ/yosys synced 2025-07-28 23:17:57 +00:00
Code Activity

Merge pull request #1604 from whitequark/unify-ram-naming

Browse source 
Harmonize BRAM/LUTRAM descriptions across all of Yosys
This commit is contained in:
whitequark 2020-01-02 21:06:17 +00:00 • committed by GitHub
commit f8d5920a7e
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
18 changed files with 67 additions and 40 deletions
Download patch file Download diff file Expand all files Collapse all files

27
techlibs/gowin/synth_gowin.cc
View file

@ -55,7 +55,7 @@ struct SynthGowinPass : public ScriptPass
log(" -nobram\n");
log(" do not use BRAM cells in output netlist\n");
log("\n");
log(" -nodram\n");
log(" -nolutram\n");
log(" do not use distributed RAM cells in output netlist\n");
log("\n");
log(" -noflatten\n");
@ -80,7 +80,7 @@ struct SynthGowinPass : public ScriptPass
}
string top_opt, vout_file;
bool retime, nobram, nodram, flatten, nodffe, nowidelut, abc9, noiopads;
bool retime, nobram, nolutram, flatten, nodffe, nowidelut, abc9, noiopads;
void clear_flags() YS_OVERRIDE
{
@ -90,7 +90,7 @@ struct SynthGowinPass : public ScriptPass
flatten = true;
nobram = false;
nodffe = false;
nodram = false;
nolutram = false;
nowidelut = false;
abc9 = false;
noiopads = false;
@ -128,8 +128,8 @@ struct SynthGowinPass : public ScriptPass
nobram = true;
continue;
}
if (args[argidx] == "-nodram") {
nodram = true;
if (args[argidx] == "-nolutram" || /*deprecated*/args[argidx] == "-nodram") {
nolutram = true;
continue;
}
if (args[argidx] == "-nodffe") {
@ -188,24 +188,28 @@ struct SynthGowinPass : public ScriptPass
run("synth -run coarse");
}
if (!nobram && check_label("bram", "(skip if -nobram)"))
if (!nobram && check_label("map_bram", "(skip if -nobram)"))
{
run("memory_bram -rules +/gowin/bram.txt");
run("memory_bram -rules +/gowin/brams.txt");
run("techmap -map +/gowin/brams_map.v -map +/gowin/cells_sim.v");
}
if (!nodram && check_label("dram", "(skip if -nodram)"))
if (!nolutram && check_label("map_lutram", "(skip if -nolutram)"))
{
run("memory_bram -rules +/gowin/dram.txt");
run("techmap -map +/gowin/drams_map.v");
run("memory_bram -rules +/gowin/lutrams.txt");
run("techmap -map +/gowin/lutrams_map.v");
run("determine_init");
}
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 +/gowin/arith_map.v");
run("techmap -map +/techmap.v");
if (retime || help_mode)
@ -248,7 +252,6 @@ struct SynthGowinPass : public ScriptPass
run("iopadmap -bits -inpad IBUF O:I -outpad OBUF I:O "
"-toutpad TBUF OEN:I:O -tinoutpad IOBUF OEN:O:I:IO", "(unless -noiopads)");
run("clean");
}
if (check_label("check"))