diff options
Diffstat (limited to 'kernel/rtlil.cc')
-rw-r--r-- | kernel/rtlil.cc | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/kernel/rtlil.cc b/kernel/rtlil.cc index 8c64217bb..b1e2c0e8e 100644 --- a/kernel/rtlil.cc +++ b/kernel/rtlil.cc @@ -19,6 +19,7 @@ #include "kernel/yosys.h" #include "kernel/macc.h" +#include "kernel/celltypes.h" #include "frontends/verilog/verilog_frontend.h" #include "backends/ilang/ilang_backend.h" @@ -1928,6 +1929,39 @@ const dict<RTLIL::IdString, RTLIL::SigSpec> &RTLIL::Cell::connections() const return connections_; } +bool RTLIL::Cell::known() const +{ + if (yosys_celltypes.cell_known(type)) + return true; + if (module && module->design && module->design->module(type)) + return true; + return false; +} + +bool RTLIL::Cell::input(RTLIL::IdString portname) const +{ + if (yosys_celltypes.cell_known(type)) + return yosys_celltypes.cell_input(type, portname); + if (module && module->design) { + RTLIL::Module *m = module->design->module(type); + RTLIL::Wire *w = m ? m->wire(portname) : nullptr; + return w && w->port_input; + } + return false; +} + +bool RTLIL::Cell::output(RTLIL::IdString portname) const +{ + if (yosys_celltypes.cell_known(type)) + return yosys_celltypes.cell_output(type, portname); + if (module && module->design) { + RTLIL::Module *m = module->design->module(type); + RTLIL::Wire *w = m ? m->wire(portname) : nullptr; + return w && w->port_output; + } + return false; +} + bool RTLIL::Cell::hasParam(RTLIL::IdString paramname) const { return parameters.count(paramname) != 0; |