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Added $alu cell type

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This commit is contained in:
Clifford Wolf 2014-08-30 18:59:05 +02:00
parent 88db09255b
commit 4724d94fbc
5 changed files with 67 additions and 3 deletions
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2
kernel/celltypes.h
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@ -108,6 +108,8 @@ struct CellTypes
for (auto type : std::vector<RTLIL::IdString>({"$mux", "$pmux"}))
setup_type(type, {"\\A", "\\B", "\\S"}, {"\\Y"}, true);
setup_type("$alu", {"\\A", "\\B", "\\CI", "\\BI"}, {"\\X", "\\Y", "\\CO"}, true);
setup_type("$assert", {"\\A", "\\EN"}, std::set<RTLIL::IdString>(), true);
}

14
kernel/rtlil.cc
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@ -557,6 +557,20 @@ namespace {
return;
}
if (cell->type == "$alu") {
param_bool("\\A_SIGNED");
param_bool("\\B_SIGNED");
port("\\A", param("\\A_WIDTH"));
port("\\B", param("\\B_WIDTH"));
port("\\CI", 1);
port("\\BI", 1);
port("\\X", param("\\Y_WIDTH"));
port("\\Y", param("\\Y_WIDTH"));
port("\\CO", param("\\Y_WIDTH"));
check_expected();
return;
}
if (cell->type == "$logic_not") {
param_bool("\\A_SIGNED");
port("\\A", param("\\A_WIDTH"));