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| author | Eddie Hung <eddie@fpgeh.com> | 2019-12-11 12:17:01 -0800 |
|---|---|---|
| committer | Eddie Hung <eddie@fpgeh.com> | 2020-04-13 13:45:18 -0700 |
| commit | 4617aa8ccd138d80c1f68b35019a8afdbeb30c9f (patch) | |
| tree | 28bf3f83728149a951886d980ed77348e1be8689 /passes | |
| parent | 3c5a9411b1c17d9e4474fb7edb54117c2298cfc1 (diff) | |
| download | yosys-4617aa8ccd138d80c1f68b35019a8afdbeb30c9f.tar.gz yosys-4617aa8ccd138d80c1f68b35019a8afdbeb30c9f.tar.bz2 yosys-4617aa8ccd138d80c1f68b35019a8afdbeb30c9f.zip | |
zinit to transform set/reset value of $_DFF_[NP][NP][01]_
Diffstat (limited to 'passes')
| -rw-r--r-- | passes/techmap/zinit.cc | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/passes/techmap/zinit.cc b/passes/techmap/zinit.cc index 5cfc82ac9..f982dbb30 100644 --- a/passes/techmap/zinit.cc +++ b/passes/techmap/zinit.cc @@ -139,6 +139,20 @@ struct ZinitPass : public Pass { cell->setPort(ID::D, sig_d); cell->setPort(ID::Q, initwire); + + /*if (cell->type.in(ID($_DFFSR_NNN_), ID($_DFFSR_NNP_), ID($_DFFSR_NPN_), ID($_DFFSR_NPP_), + ID($_DFFSR_PNN_), ID($_DFFSR_PNP_), ID($_DFFSR_PPN_), ID($_DFFSR_PPP_))) + { + // TODO: I think I need a $_DFFRS_* cell where R has priority over S... + std::swap(cell->connections_.at(ID(R)), cell->connections_.at(ID(S))); + } + else*/ if (cell->type.in(ID($_DFF_NN0_), ID($_DFF_NN1_), ID($_DFF_NP0_), ID($_DFF_NP1_), + ID($_DFF_PN0_), ID($_DFF_PN1_), ID($_DFF_PP0_), ID($_DFF_PP1_))) + { + std::string t = cell->type.str(); + t[8] = (t[8] == '0' ? '1' : '0'); + cell->type = t; + } } if (!design->selected_whole_module(module)) |