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dump_meminit: Add -prefix option

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Fix crash on missing INIT param.
This commit is contained in:
Krystine Sherwin 2025-11-14 11:41:57 +13:00
parent ac08540278
commit 7d79c11ca9
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1 changed files with 15 additions and 1 deletions
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16
passes/memory/dump_meminit.cc
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@ -26,6 +26,11 @@ struct DumpMemInitPass : public Pass
"undefined bits as 0." "undefined bits as 0."
); );
content_root->option("-prefix <prefix>",
"add <prefix> to beginning of the output file name. Will output relative to the "
"current working directory unless an absolute directory is provided."
);
content_root->option("-max_name_length <length>", content_root->option("-max_name_length <length>",
"the written file normally uses the hierarchical name of the memory being written. " "the written file normally uses the hierarchical name of the memory being written. "
"If the length of the hierarchical name exceeds <length>, replace it with a SHA1 " "If the length of the hierarchical name exceeds <length>, replace it with a SHA1 "
@ -37,12 +42,17 @@ struct DumpMemInitPass : public Pass
void execute(std::vector<std::string> args, RTLIL::Design *design) override void execute(std::vector<std::string> args, RTLIL::Design *design) override
{ {
std::string prefix = "";
const int DIGEST_LENGTH = 40; const int DIGEST_LENGTH = 40;
int max_name_length = 60; int max_name_length = 60;
size_t argidx; size_t argidx;
for (argidx = 1; argidx < args.size(); argidx++) for (argidx = 1; argidx < args.size(); argidx++)
{ {
std::string arg = args[argidx]; std::string arg = args[argidx];
if (arg == "-prefix" && argidx+1 < args.size()) {
prefix = args[++argidx];
continue;
}
if (arg == "-max_name_length" && argidx+1 < args.size()) { if (arg == "-max_name_length" && argidx+1 < args.size()) {
max_name_length = stoi(args[++argidx]); max_name_length = stoi(args[++argidx]);
if (max_name_length < DIGEST_LENGTH) if (max_name_length < DIGEST_LENGTH)
@ -59,6 +69,10 @@ struct DumpMemInitPass : public Pass
for (auto *mod : design->selected_unboxed_modules()) for (auto *mod : design->selected_unboxed_modules())
for (auto *cell : mod->selected_cells()) for (auto *cell : mod->selected_cells())
{ {
// skip if cell has no INIT
if (!cell->hasParam(ID::INIT))
continue;
// construct full hierarchical name // construct full hierarchical name
auto full_name = stringf("%s.%s", RTLIL::unescape_id(mod->name), RTLIL::unescape_id(cell->name)); auto full_name = stringf("%s.%s", RTLIL::unescape_id(mod->name), RTLIL::unescape_id(cell->name));
@ -79,7 +93,7 @@ struct DumpMemInitPass : public Pass
} }
// construct output file name // construct output file name
string filename; string filename = prefix;
if (GetSize(full_name) > max_name_length) if (GetSize(full_name) > max_name_length)
filename += sha1(full_name); filename += sha1(full_name);
else else