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| author | Eddie Hung <eddie@fpgeh.com> | 2020-04-16 10:24:02 -0700 |
|---|---|---|
| committer | Eddie Hung <eddie@fpgeh.com> | 2020-05-14 10:33:56 -0700 |
| commit | 48052ad813db3561a959a1921466d571bafa354c (patch) | |
| tree | 9029ab8f94665a252449cfa4f0a0440ed0696815 /techlibs/common/abc9_unmap.v | |
| parent | 7812a2959b9b23b44e8144f9edb139f282d623e1 (diff) | |
| download | yosys-48052ad813db3561a959a1921466d571bafa354c.tar.gz yosys-48052ad813db3561a959a1921466d571bafa354c.tar.bz2 yosys-48052ad813db3561a959a1921466d571bafa354c.zip | |
abc9: add flop boxes to basic $_DFF_P_ and $_DFF_N_ too
Diffstat (limited to 'techlibs/common/abc9_unmap.v')
| -rw-r--r-- | techlibs/common/abc9_unmap.v | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/techlibs/common/abc9_unmap.v b/techlibs/common/abc9_unmap.v new file mode 100644 index 000000000..0fd07207d --- /dev/null +++ b/techlibs/common/abc9_unmap.v @@ -0,0 +1,12 @@ +(* techmap_celltype = "$__DFF_N__$abc9_flop $__DFF_P__$abc9_flop" *) +module $__DFF_x__$abc9_flop (input C, D, Q, (* init = INIT *) output n1); + parameter [0:0] INIT = 1'bx; + parameter _TECHMAP_CELLTYPE_ = ""; + generate if (_TECHMAP_CELLTYPE_ == "$__DFF_N__$abc9_flop") + $_DFF_N_ _TECHMAP_REPLACE_ (.C(C), .D(D), .Q(Q)); + else if (_TECHMAP_CELLTYPE_ == "$__DFF_P__$abc9_flop") + $_DFF_P_ _TECHMAP_REPLACE_ (.C(C), .D(D), .Q(Q)); + else if (_TECHMAP_CELLTYPE_ != "") + $error("Unrecognised _TECHMAP_CELLTYPE_"); + endgenerate +endmodule |