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apply constraints

This commit is contained in:
Miodrag Milanovic 2025-11-27 11:57:17 +01:00
parent a6d0219f69
commit ea6cb97ced
3 changed files with 15 additions and 0 deletions
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3
himbaechel/uarch/gatemate/ccf.cc
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@ -261,6 +261,9 @@ struct GateMateCCFReader
log("size = %d src=%s pB=(%d,%d, %d,%d)\n", size, src_location.c_str(), x1, y1, x2,
y2);
IdString scopename(ctx, src_location.c_str());
ctx->createRectangularRegion(scopename, x1, y1, x2, y2);
uarch->scopenames.emplace(scopename);
} else {
log_error("Placebox format invalid: %s in line %d\n", pb_position.c_str(), lineno);
}

1
himbaechel/uarch/gatemate/gatemate.h
View File

@ -109,6 +109,7 @@ struct GateMateImpl : HimbaechelAPI
MultiDieStrategy strategy;
dict<int, IdString> index_to_die;
dict<IdString, int> die_to_index;
pool<IdString> scopenames;
private:
bool getChildPlacement(const BaseClusterInfo *cluster, Loc root_loc,

11
himbaechel/uarch/gatemate/pack.cc
View File

@ -519,6 +519,17 @@ void GateMatePacker::assign_regions()
log_info("Assign cell region based on attributes..\n");
for (auto &cell : ctx->cells) {
CellInfo &ci = *cell.second;
std::string scope = "top";
if (ci.attrs.count(ctx->id("scopename"))) {
scope = str_or_default(ci.attrs, ctx->id("scopename"), "");
scope = "top " + scope;
} else if (ci.attrs.count(ctx->id("hdlname"))) {
scope = str_or_default(ci.attrs, ctx->id("hdlname"), "");
scope = "top " + scope;
}
IdString name = IdString(ctx,scope.c_str());
if (uarch->scopenames.count(name))
ctx->constrainCellToRegion(ci.name, name);
if (ci.attrs.count(id_GATEMATE_DIE) != 0) {
std::string die_name = str_or_default(ci.attrs, id_GATEMATE_DIE, "");
IdString die = ctx->id(die_name);