mirror of https://github.com/YosysHQ/yosys.git
Added "write_blif -blackbox"
based on code by Eddie Hung from https://github.com/eddiehung/yosys/commit/1e481661cb4a4
This commit is contained in:
parent
32dce4a870
commit
59d11978fc
|
@ -38,12 +38,13 @@ struct BlifDumperConfig
|
|||
bool impltf_mode;
|
||||
bool gates_mode;
|
||||
bool param_mode;
|
||||
bool blackbox_mode;
|
||||
|
||||
std::string buf_type, buf_in, buf_out;
|
||||
std::map<RTLIL::IdString, std::pair<RTLIL::IdString, RTLIL::IdString>> unbuf_types;
|
||||
std::string true_type, true_out, false_type, false_out;
|
||||
|
||||
BlifDumperConfig() : icells_mode(false), conn_mode(false), impltf_mode(false), gates_mode(false), param_mode(false) { }
|
||||
BlifDumperConfig() : icells_mode(false), conn_mode(false), impltf_mode(false), gates_mode(false), param_mode(false), blackbox_mode(false) { }
|
||||
};
|
||||
|
||||
struct BlifDumper
|
||||
|
@ -130,6 +131,12 @@ struct BlifDumper
|
|||
}
|
||||
f << stringf("\n");
|
||||
|
||||
if (module->get_bool_attribute("\\blackbox")) {
|
||||
f << stringf(".blackbox\n");
|
||||
f << stringf(".end\n");
|
||||
return;
|
||||
}
|
||||
|
||||
if (!config->impltf_mode) {
|
||||
if (!config->false_type.empty())
|
||||
f << stringf(".%s %s %s=$false\n", subckt_or_gate(config->false_type),
|
||||
|
@ -314,6 +321,9 @@ struct BlifBackend : public Backend {
|
|||
log(" -param\n");
|
||||
log(" use the non-standard .param statement to write module parameters\n");
|
||||
log("\n");
|
||||
log(" -blackbox\n");
|
||||
log(" write blackbox cells with .blackbox statement.\n");
|
||||
log("\n");
|
||||
log(" -impltf\n");
|
||||
log(" do not write definitions for the $true and $false wires.\n");
|
||||
log("\n");
|
||||
|
@ -374,6 +384,10 @@ struct BlifBackend : public Backend {
|
|||
config.param_mode = true;
|
||||
continue;
|
||||
}
|
||||
if (args[argidx] == "-blackbox") {
|
||||
config.blackbox_mode = true;
|
||||
continue;
|
||||
}
|
||||
if (args[argidx] == "-impltf") {
|
||||
config.impltf_mode = true;
|
||||
continue;
|
||||
|
@ -394,7 +408,7 @@ struct BlifBackend : public Backend {
|
|||
for (auto module_it : design->modules_)
|
||||
{
|
||||
RTLIL::Module *module = module_it.second;
|
||||
if (module->get_bool_attribute("\\blackbox"))
|
||||
if (module->get_bool_attribute("\\blackbox") && !config.blackbox_mode)
|
||||
continue;
|
||||
|
||||
if (module->processes.size() != 0)
|
||||
|
|
Loading…
Reference in New Issue