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Add $specrule cells for $setup/$hold/$skew specify rules

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Signed-off-by: Clifford Wolf <clifford@clifford.at>
This commit is contained in:
Clifford Wolf 2019-04-23 15:46:40 +02:00
parent 634482380c
commit 71c38d9de5
9 changed files with 133 additions and 6 deletions
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15
kernel/rtlil.cc
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@ -1218,6 +1218,21 @@ namespace {
return;
}
if (cell->type == "$specrule") {
param_bool("\\SRC_PEN");
param_bool("\\SRC_POL");
param_bool("\\DST_PEN");
param_bool("\\DST_POL");
param_bool("\\LIMIT_GT");
param("\\T_LIMIT");
port("\\SRC_EN", 1);
port("\\DST_EN", 1);
port("\\SRC", param("\\SRC_WIDTH"));
port("\\DST", param("\\DST_WIDTH"));
check_expected();
return;
}
if (cell->type == "$_BUF_") { check_gate("AY"); return; }
if (cell->type == "$_NOT_") { check_gate("AY"); return; }
if (cell->type == "$_AND_") { check_gate("ABY"); return; }