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| author | Eddie Hung <eddie@fpgeh.com> | 2019-10-04 11:04:10 -0700 |
|---|---|---|
| committer | Eddie Hung <eddie@fpgeh.com> | 2019-10-04 11:04:10 -0700 |
| commit | aae2b9fd9c8dc915fadacc24962436dd7aedff36 (patch) | |
| tree | 38ec98224113556a8a5a6d93d5bc2c0cb506286e /techlibs/ice40/abc9_model.v | |
| parent | 9fef1df3c1431cff2e097a10a502f77f04986a60 (diff) | |
| download | yosys-aae2b9fd9c8dc915fadacc24962436dd7aedff36.tar.gz yosys-aae2b9fd9c8dc915fadacc24962436dd7aedff36.tar.bz2 yosys-aae2b9fd9c8dc915fadacc24962436dd7aedff36.zip | |
Rename abc_* names/attributes to more precisely be abc9_*
Diffstat (limited to 'techlibs/ice40/abc9_model.v')
| -rw-r--r-- | techlibs/ice40/abc9_model.v | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/techlibs/ice40/abc9_model.v b/techlibs/ice40/abc9_model.v new file mode 100644 index 000000000..26cf6cc22 --- /dev/null +++ b/techlibs/ice40/abc9_model.v @@ -0,0 +1,27 @@ +(* abc9_box_id = 1, lib_whitebox *) +module \$__ICE40_CARRY_WRAPPER ( + (* abc9_carry *) + output CO, + output O, + input A, B, + (* abc9_carry *) + input CI, + input I0, I3 +); + parameter LUT = 0; + SB_CARRY carry ( + .I0(A), + .I1(B), + .CI(CI), + .CO(CO) + ); + SB_LUT4 #( + .LUT_INIT(LUT) + ) adder ( + .I0(I0), + .I1(A), + .I2(B), + .I3(I3), + .O(O) + ); +endmodule |