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Add support for ffM

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This commit is contained in:
Eddie Hung 2019-08-30 15:00:56 -07:00
parent 2983a35dc0
commit 390cf34d0a
2 changed files with 48 additions and 3 deletions
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12
passes/pmgen/xilinx_dsp.cc
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@ -39,6 +39,7 @@ void pack_xilinx_dsp(dict<SigBit, Cell*> &bit_to_driver, xilinx_dsp_pm &pm)
log("ffB: %s\n", log_id(st.ffB, "--"));
log("dsp: %s\n", log_id(st.dsp, "--"));
log("addAB: %s\n", log_id(st.addAB, "--"));
log("ffM: %s\n", log_id(st.ffM, "--"));
log("ffP: %s\n", log_id(st.ffP, "--"));
//log("muxP: %s\n", log_id(st.muxP, "--"));
log("sigPused: %s\n", log_signal(st.sigPused));
@ -95,6 +96,17 @@ void pack_xilinx_dsp(dict<SigBit, Cell*> &bit_to_driver, xilinx_dsp_pm &pm)
// cell->setPort("\\CEB2", st.ffB->getPort("\\EN"));
else log_abort();
}
if (st.ffM) {
SigSpec D = st.ffM->getPort("\\D");
SigSpec Q = st.ffM->getPort("\\Q");
P.replace(pm.sigmap(D), Q);
cell->setParam("\\MREG", State::S1);
if (st.ffP->type == "$dff")
cell->setPort("\\CEM", State::S1);
//else if (st.ffP->type == "$dffe")
// cell->setPort("\\CEP", st.ffP->getPort("\\EN"));
else log_abort();
}
if (st.ffP) {
SigSpec D;
//if (st.muxP)