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Add "write_edif -attrprop" 

Signed-off-by: Clifford Wolf <clifford@clifford.at>
This commit is contained in:
Clifford Wolf 2018-10-05 09:41:18 +02:00 committed by Jim Lawson
parent 05e1c39064
commit 8e13f2913d
1 changed files with 28 additions and 11 deletions
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39
backends/edif/edif.cc
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@ -106,6 +106,9 @@ struct EdifBackend : public Backend {
log(" if the design contains constant nets. use \"hilomap\" to map to custom\n");
log(" constant drivers first)\n");
log("\n");
log(" -attrprop\n");
log(" create EDIF properties for cell attributes\n");
log("\n");
log(" -pvector {par|bra|ang}\n");
log(" sets the delimiting character for module port rename clauses to\n");
log(" parentheses, square brackets, or angle brackets.\n");
@ -121,6 +124,7 @@ struct EdifBackend : public Backend {
log_header(design, "Executing EDIF backend.\n");
std::string top_module_name;
bool port_rename = false;
bool attr_properties = false;
std::map<RTLIL::IdString, std::map<RTLIL::IdString, int>> lib_cell_ports;
bool nogndvcc = false;
CellTypes ct(design);
@ -137,6 +141,10 @@ struct EdifBackend : public Backend {
nogndvcc = true;
continue;
}
if (args[argidx] == "-attrprop") {
attr_properties = true;
continue;
}
if (args[argidx] == "-pvector" && argidx+1 < args.size()) {
std::string parray;
port_rename = true;
@ -332,24 +340,33 @@ struct EdifBackend : public Backend {
*f << stringf(" (instance %s\n", EDIF_DEF(cell->name));
*f << stringf(" (viewRef VIEW_NETLIST (cellRef %s%s))", EDIF_REF(cell->type),
lib_cell_ports.count(cell->type) > 0 ? " (libraryRef LIB)" : "");
for (auto &p : cell->parameters)
if ((p.second.flags & RTLIL::CONST_FLAG_STRING) != 0)
*f << stringf("\n (property %s (string \"%s\"))", EDIF_DEF(p.first), p.second.decode_string().c_str());
else if (p.second.bits.size() <= 32 && RTLIL::SigSpec(p.second).is_fully_def())
*f << stringf("\n (property %s (integer %u))", EDIF_DEF(p.first), p.second.as_int());
auto add_prop = [&](IdString name, Const val) {
if ((val.flags & RTLIL::CONST_FLAG_STRING) != 0)
*f << stringf("\n (property %s (string \"%s\"))", EDIF_DEF(name), val.decode_string().c_str());
else if (val.bits.size() <= 32 && RTLIL::SigSpec(val).is_fully_def())
*f << stringf("\n (property %s (integer %u))", EDIF_DEF(name), val.as_int());
else {
std::string hex_string = "";
for (size_t i = 0; i < p.second.bits.size(); i += 4) {
for (size_t i = 0; i < val.bits.size(); i += 4) {
int digit_value = 0;
if (i+0 < p.second.bits.size() && p.second.bits.at(i+0) == RTLIL::State::S1) digit_value |= 1;
if (i+1 < p.second.bits.size() && p.second.bits.at(i+1) == RTLIL::State::S1) digit_value |= 2;
if (i+2 < p.second.bits.size() && p.second.bits.at(i+2) == RTLIL::State::S1) digit_value |= 4;
if (i+3 < p.second.bits.size() && p.second.bits.at(i+3) == RTLIL::State::S1) digit_value |= 8;
if (i+0 < val.bits.size() && val.bits.at(i+0) == RTLIL::State::S1) digit_value |= 1;
if (i+1 < val.bits.size() && val.bits.at(i+1) == RTLIL::State::S1) digit_value |= 2;
if (i+2 < val.bits.size() && val.bits.at(i+2) == RTLIL::State::S1) digit_value |= 4;
if (i+3 < val.bits.size() && val.bits.at(i+3) == RTLIL::State::S1) digit_value |= 8;
char digit_str[2] = { "0123456789abcdef"[digit_value], 0 };
hex_string = std::string(digit_str) + hex_string;
}
*f << stringf("\n (property %s (string \"%d'h%s\"))", EDIF_DEF(p.first), GetSize(p.second.bits), hex_string.c_str());
*f << stringf("\n (property %s (string \"%d'h%s\"))", EDIF_DEF(name), GetSize(val.bits), hex_string.c_str());
}
};
for (auto &p : cell->parameters)
add_prop(p.first, p.second);
if (attr_properties)
for (auto &p : cell->attributes)
add_prop(p.first, p.second);
*f << stringf(")\n");
for (auto &p : cell->connections()) {
RTLIL::SigSpec sig = sigmap(p.second);