diff options
Diffstat (limited to 'nexus/pack.cc')
| -rw-r--r-- | nexus/pack.cc | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/nexus/pack.cc b/nexus/pack.cc index c1e3664f..2b88a095 100644 --- a/nexus/pack.cc +++ b/nexus/pack.cc @@ -25,6 +25,10 @@ NEXTPNR_NAMESPACE_BEGIN +namespace { +bool is_enabled(CellInfo *ci, IdString prop) { return str_or_default(ci->params, prop, "") == "ENABLED"; } +} // namespace + struct NexusPacker { Context *ctx; @@ -182,4 +186,48 @@ bool Arch::pack() return true; } +// ----------------------------------------------------------------------- + +void Arch::assignArchInfo() +{ + for (auto cell : sorted(cells)) { + assignCellInfo(cell.second); + } +} + +void Arch::assignCellInfo(CellInfo *cell) +{ + if (cell->type == id_OXIDE_COMB) { + cell->lutInfo.is_memory = str_or_default(cell->params, id_MODE, "LOGIC") == "DPRAM"; + cell->lutInfo.is_carry = str_or_default(cell->params, id_MODE, "LOGIC") == "CCU2"; + cell->lutInfo.mux2_used = port_used(cell, id_OFX); + cell->lutInfo.f = get_net_or_empty(cell, id_F); + cell->lutInfo.ofx = get_net_or_empty(cell, id_OFX); + } else if (cell->type == id_OXIDE_FF) { + cell->ffInfo.ctrlset.async = str_or_default(cell->params, id_SRMODE, "LSR_OVER_CE") == "ASYNC"; + cell->ffInfo.ctrlset.regddr_en = is_enabled(cell, id_REGDDR); + cell->ffInfo.ctrlset.gsr_en = is_enabled(cell, id_GSR); + cell->ffInfo.ctrlset.clkmux = id(str_or_default(cell->params, id_CLKMUX, "CLK")).index; + cell->ffInfo.ctrlset.cemux = id(str_or_default(cell->params, id_CEMUX, "CE")).index; + cell->ffInfo.ctrlset.lsrmux = id(str_or_default(cell->params, id_LSRMUX, "LSR")).index; + cell->ffInfo.ctrlset.clk = get_net_or_empty(cell, id_CLK); + cell->ffInfo.ctrlset.ce = get_net_or_empty(cell, id_CE); + cell->ffInfo.ctrlset.lsr = get_net_or_empty(cell, id_LSR); + cell->ffInfo.di = get_net_or_empty(cell, id_DI); + cell->ffInfo.m = get_net_or_empty(cell, id_M); + } else if (cell->type == ID_RAMW) { + cell->ffInfo.ctrlset.async = false; + cell->ffInfo.ctrlset.regddr_en = false; + cell->ffInfo.ctrlset.gsr_en = false; + cell->ffInfo.ctrlset.clkmux = id(str_or_default(cell->params, id_CLKMUX, "CLK")).index; + cell->ffInfo.ctrlset.cemux = ID_CE; + cell->ffInfo.ctrlset.lsrmux = id(str_or_default(cell->params, id_LSRMUX, "LSR")).index; + cell->ffInfo.ctrlset.clk = get_net_or_empty(cell, id_CLK); + cell->ffInfo.ctrlset.ce = nullptr; + cell->ffInfo.ctrlset.lsr = get_net_or_empty(cell, id_LSR); + cell->ffInfo.di = nullptr; + cell->ffInfo.m = nullptr; + } +} + NEXTPNR_NAMESPACE_END
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