diff options
Diffstat (limited to 'backends/blif')
-rw-r--r-- | backends/blif/blif.cc | 68 |
1 files changed, 46 insertions, 22 deletions
diff --git a/backends/blif/blif.cc b/backends/blif/blif.cc index f9230a1e6..e4509e0d0 100644 --- a/backends/blif/blif.cc +++ b/backends/blif/blif.cc @@ -38,8 +38,10 @@ struct BlifDumperConfig bool impltf_mode; bool gates_mode; bool cname_mode; + bool iname_mode; bool param_mode; bool attr_mode; + bool iattr_mode; bool blackbox_mode; bool noalias_mode; @@ -48,7 +50,8 @@ struct BlifDumperConfig std::string true_type, true_out, false_type, false_out, undef_type, undef_out; BlifDumperConfig() : icells_mode(false), conn_mode(false), impltf_mode(false), gates_mode(false), - cname_mode(false), param_mode(false), attr_mode(false), blackbox_mode(false), noalias_mode(false) { } + cname_mode(false), iname_mode(false), param_mode(false), attr_mode(false), iattr_mode(false), + blackbox_mode(false), noalias_mode(false) { } }; struct BlifDumper @@ -240,118 +243,118 @@ struct BlifDumper if (!config->icells_mode && cell->type == "$_NOT_") { f << stringf(".names %s %s\n0 1\n", cstr(cell->getPort("\\A")), cstr(cell->getPort("\\Y"))); - continue; + goto internal_cell; } if (!config->icells_mode && cell->type == "$_AND_") { f << stringf(".names %s %s %s\n11 1\n", cstr(cell->getPort("\\A")), cstr(cell->getPort("\\B")), cstr(cell->getPort("\\Y"))); - continue; + goto internal_cell; } if (!config->icells_mode && cell->type == "$_OR_") { f << stringf(".names %s %s %s\n1- 1\n-1 1\n", cstr(cell->getPort("\\A")), cstr(cell->getPort("\\B")), cstr(cell->getPort("\\Y"))); - continue; + goto internal_cell; } if (!config->icells_mode && cell->type == "$_XOR_") { f << stringf(".names %s %s %s\n10 1\n01 1\n", cstr(cell->getPort("\\A")), cstr(cell->getPort("\\B")), cstr(cell->getPort("\\Y"))); - continue; + goto internal_cell; } if (!config->icells_mode && cell->type == "$_NAND_") { f << stringf(".names %s %s %s\n0- 1\n-0 1\n", cstr(cell->getPort("\\A")), cstr(cell->getPort("\\B")), cstr(cell->getPort("\\Y"))); - continue; + goto internal_cell; } if (!config->icells_mode && cell->type == "$_NOR_") { f << stringf(".names %s %s %s\n00 1\n", cstr(cell->getPort("\\A")), cstr(cell->getPort("\\B")), cstr(cell->getPort("\\Y"))); - continue; + goto internal_cell; } if (!config->icells_mode && cell->type == "$_XNOR_") { f << stringf(".names %s %s %s\n11 1\n00 1\n", cstr(cell->getPort("\\A")), cstr(cell->getPort("\\B")), cstr(cell->getPort("\\Y"))); - continue; + goto internal_cell; } if (!config->icells_mode && cell->type == "$_ANDNOT_") { f << stringf(".names %s %s %s\n10 1\n", cstr(cell->getPort("\\A")), cstr(cell->getPort("\\B")), cstr(cell->getPort("\\Y"))); - continue; + goto internal_cell; } if (!config->icells_mode && cell->type == "$_ORNOT_") { f << stringf(".names %s %s %s\n1- 1\n-0 1\n", cstr(cell->getPort("\\A")), cstr(cell->getPort("\\B")), cstr(cell->getPort("\\Y"))); - continue; + goto internal_cell; } if (!config->icells_mode && cell->type == "$_AOI3_") { f << stringf(".names %s %s %s %s\n-00 1\n0-0 1\n", cstr(cell->getPort("\\A")), cstr(cell->getPort("\\B")), cstr(cell->getPort("\\C")), cstr(cell->getPort("\\Y"))); - continue; + goto internal_cell; } if (!config->icells_mode && cell->type == "$_OAI3_") { f << stringf(".names %s %s %s %s\n00- 1\n--0 1\n", cstr(cell->getPort("\\A")), cstr(cell->getPort("\\B")), cstr(cell->getPort("\\C")), cstr(cell->getPort("\\Y"))); - continue; + goto internal_cell; } if (!config->icells_mode && cell->type == "$_AOI4_") { f << stringf(".names %s %s %s %s %s\n-0-0 1\n-00- 1\n0--0 1\n0-0- 1\n", cstr(cell->getPort("\\A")), cstr(cell->getPort("\\B")), cstr(cell->getPort("\\C")), cstr(cell->getPort("\\D")), cstr(cell->getPort("\\Y"))); - continue; + goto internal_cell; } if (!config->icells_mode && cell->type == "$_OAI4_") { f << stringf(".names %s %s %s %s %s\n00-- 1\n--00 1\n", cstr(cell->getPort("\\A")), cstr(cell->getPort("\\B")), cstr(cell->getPort("\\C")), cstr(cell->getPort("\\D")), cstr(cell->getPort("\\Y"))); - continue; + goto internal_cell; } if (!config->icells_mode && cell->type == "$_MUX_") { f << stringf(".names %s %s %s %s\n1-0 1\n-11 1\n", cstr(cell->getPort("\\A")), cstr(cell->getPort("\\B")), cstr(cell->getPort("\\S")), cstr(cell->getPort("\\Y"))); - continue; + goto internal_cell; } if (!config->icells_mode && cell->type == "$_FF_") { f << stringf(".latch %s %s%s\n", cstr(cell->getPort("\\D")), cstr(cell->getPort("\\Q")), cstr_init(cell->getPort("\\Q"))); - continue; + goto internal_cell; } if (!config->icells_mode && cell->type == "$_DFF_N_") { f << stringf(".latch %s %s fe %s%s\n", cstr(cell->getPort("\\D")), cstr(cell->getPort("\\Q")), cstr(cell->getPort("\\C")), cstr_init(cell->getPort("\\Q"))); - continue; + goto internal_cell; } if (!config->icells_mode && cell->type == "$_DFF_P_") { f << stringf(".latch %s %s re %s%s\n", cstr(cell->getPort("\\D")), cstr(cell->getPort("\\Q")), cstr(cell->getPort("\\C")), cstr_init(cell->getPort("\\Q"))); - continue; + goto internal_cell; } if (!config->icells_mode && cell->type == "$_DLATCH_N_") { f << stringf(".latch %s %s al %s%s\n", cstr(cell->getPort("\\D")), cstr(cell->getPort("\\Q")), cstr(cell->getPort("\\E")), cstr_init(cell->getPort("\\Q"))); - continue; + goto internal_cell; } if (!config->icells_mode && cell->type == "$_DLATCH_P_") { f << stringf(".latch %s %s ah %s%s\n", cstr(cell->getPort("\\D")), cstr(cell->getPort("\\Q")), cstr(cell->getPort("\\E")), cstr_init(cell->getPort("\\Q"))); - continue; + goto internal_cell; } if (!config->icells_mode && cell->type == "$lut") { @@ -373,7 +376,7 @@ struct BlifDumper } f << " 1\n"; } - continue; + goto internal_cell; } if (!config->icells_mode && cell->type == "$sop") { @@ -401,7 +404,7 @@ struct BlifDumper } f << " 1\n"; } - continue; + goto internal_cell; } f << stringf(".%s %s", subckt_or_gate(cell->type.str()), cstr(cell->type)); @@ -421,6 +424,14 @@ struct BlifDumper dump_params(".attr", cell->attributes); if (config->param_mode) dump_params(".param", cell->parameters); + + if (0) { + internal_cell: + if (config->iname_mode) + f << stringf(".cname %s\n", cstr(cell->name)); + if (config->iattr_mode) + dump_params(".attr", cell->attributes); + } } for (auto &conn : module->connections()) @@ -511,6 +522,11 @@ struct BlifBackend : public Backend { log(" -cname\n"); log(" use the non-standard .cname statement to write cell names\n"); log("\n"); + log(" -iname, -iattr\n"); + log(" enable -cname and -attr functionality for .names statements\n"); + log(" (the .cname and .attr statements will be included in the BLIF\n"); + log(" output after the truth table for the .names statement)\n"); + log("\n"); log(" -blackbox\n"); log(" write blackbox cells with .blackbox statement.\n"); log("\n"); @@ -587,6 +603,14 @@ struct BlifBackend : public Backend { config.attr_mode = true; continue; } + if (args[argidx] == "-iname") { + config.iname_mode = true; + continue; + } + if (args[argidx] == "-iattr") { + config.iattr_mode = true; + continue; + } if (args[argidx] == "-blackbox") { config.blackbox_mode = true; continue; |