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Do not use default_params dict, hardcode default values, cleanup

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This commit is contained in:
Eddie Hung 2019-08-28 10:06:40 -07:00
parent 64ea147236
commit c4d1bd988b
2 changed files with 21 additions and 25 deletions
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29
passes/pmgen/xilinx_srl.cc
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@ -34,11 +34,6 @@ void run_fixed(xilinx_srl_pm &pm)
{
auto &st = pm.st_fixed;
auto &ud = pm.ud_fixed;
auto param_def = [&ud](Cell *cell, IdString param) {
auto def = ud.default_params.at(std::make_pair(cell->type,param));
return cell->parameters.at(param, def);
};
log("Found fixed chain of length %d (%s):\n", GetSize(ud.longest_chain), log_id(st.first->type));
auto first_cell = ud.longest_chain.back();
@ -58,8 +53,12 @@ void run_fixed(xilinx_srl_pm &pm)
else
initval.append(State::Sx);
}
else if (cell->type.in(ID(FDRE), ID(FDRE_1)))
initval.append(param_def(cell, ID(INIT)));
else if (cell->type.in(ID(FDRE), ID(FDRE_1))) {
if (cell->parameters.at(ID(INIT), State::S0).as_bool())
initval.append(State::S1);
else
initval.append(State::S0);
}
else
log_abort();
if (cell != first_cell)
@ -77,8 +76,12 @@ void run_fixed(xilinx_srl_pm &pm)
c->setParam(ID(CLKPOL), 1);
else if (first_cell->type.in(ID($_DFF_N_), ID($DFFE_NN_), ID($_DFFE_NP_), ID(FDRE_1)))
c->setParam(ID(CLKPOL), 0);
else if (first_cell->type.in(ID(FDRE)))
c->setParam(ID(CLKPOL), param_def(first_cell, ID(IS_C_INVERTED)).as_bool() ? 0 : 1);
else if (first_cell->type.in(ID(FDRE))) {
if (!first_cell->parameters.at(ID(IS_C_INVERTED), State::S0).as_bool())
c->setParam(ID(CLKPOL), 1);
else
c->setParam(ID(CLKPOL), 0);
}
else
log_abort();
if (first_cell->type.in(ID($_DFFE_NP_), ID($_DFFE_PP_)))
@ -252,14 +255,8 @@ struct XilinxSrlPass : public Pass {
pm.ud_fixed.minlen = minlen;
pm.ud_variable.minlen = minlen;
if (fixed) {
// TODO: How to get these automatically?
pm.ud_fixed.default_params[std::make_pair(ID(FDRE),ID(INIT))] = State::S0;
pm.ud_fixed.default_params[std::make_pair(ID(FDRE),ID(IS_C_INVERTED))] = State::S0;
pm.ud_fixed.default_params[std::make_pair(ID(FDRE),ID(IS_D_INVERTED))] = State::S0;
pm.ud_fixed.default_params[std::make_pair(ID(FDRE),ID(IS_R_INVERTED))] = State::S0;
if (fixed)
pm.run_fixed(run_fixed);
}
if (variable)
pm.run_variable(run_variable);
}