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Harmonize BRAM/LUTRAM descriptions across all of Yosys.

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This commit:
  * renames all remaining instances of "DRAM" (which is ambiguous)
    to "LUTRAM" (which is not), finishing the work started in
    the commit 698ab9be;
  * renames memory rule files to brams.txt/lutrams.txt;
  * adds/renames script labels map_bram/map_lutram;
  * extracts where necessary script labels map_ffram and map_gates;
  * adds where necessary options -nobram/-nolutram.

The end result is that BRAM/LUTRAM/FFRAM aspects of every target
are now consistent with each other.

Per architecture:
  * anlogic: rename drams.txt→lutrams.txt, add -nolutram, add
    :map_lutram, :map_ffram, :map_gates
  * ecp5: rename bram.txt→brams.txt, lutram.txt→lutrams.txt
  * efinix: rename bram.txt→brams.txt, add -nobram, add :map_ffram,
    :map_gates
  * gowin: rename bram.txt→brams.txt, dram.txt→lutrams.txt,
    rename -nodram→-nolutram (-nodram still recognized), rename
    :bram→:map_bram, :dram→:map_lutram, add :map_ffram, :map_gates
This commit is contained in:
whitequark 2020-01-01 12:30:00 +00:00
parent 22fe931c86
commit 550310e264
18 changed files with 67 additions and 40 deletions
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10
techlibs/intel/synth_intel.cc
View file

@ -187,10 +187,10 @@ struct SynthIntelPass : public ScriptPass {
}
if (!nobram && check_label("map_bram", "(skip if -nobram)")) {
if (family_opt == "cycloneiv" ||
family_opt == "cycloneive" ||
family_opt == "max10" ||
help_mode) {
if (family_opt == "cycloneiv" ||
family_opt == "cycloneive" ||
family_opt == "max10" ||
help_mode) {
run("memory_bram -rules +/intel/common/brams_m9k.txt", "(if applicable for family)");
run("techmap -map +/intel/common/brams_map_m9k.v", "(if applicable for family)");
} else {
@ -224,7 +224,7 @@ struct SynthIntelPass : public ScriptPass {
if (check_label("map_cells")) {
if (iopads || help_mode)
run("iopadmap -bits -outpad $__outpad I:O -inpad $__inpad O:I", "(if -iopads)");
run(stringf("techmap -map +/intel/%s/cells_map.v", family_opt.c_str()));
run(stringf("techmap -map +/intel/%s/cells_map.v", family_opt.c_str()));
run("dffinit -highlow -ff dffeas q power_up");
run("clean -purge");
}