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authorDavid Shah <dave@ds0.me>2019-05-10 18:51:45 +0100
committerDavid Shah <dave@ds0.me>2019-05-10 18:51:45 +0100
commit12f375a239a8695f027c80c8c01d5fb1dff6568d (patch)
tree84f1d7cd502055f28df4a8f055bf79538ec05a89 /common/design_utils.cc
parent5344bc3b65f4e06f983db781e9a82d30b3f1512b (diff)
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ecp5: Fix USRMCLK primitive
Signed-off-by: David Shah <dave@ds0.me>
Diffstat (limited to 'common/design_utils.cc')
-rw-r--r--common/design_utils.cc17
1 files changed, 17 insertions, 0 deletions
diff --git a/common/design_utils.cc b/common/design_utils.cc
index da170030..bdf5ca5c 100644
--- a/common/design_utils.cc
+++ b/common/design_utils.cc
@@ -129,4 +129,21 @@ void connect_ports(Context *ctx, CellInfo *cell1, IdString port1_name, CellInfo
connect_port(ctx, port1.net, cell2, port2_name);
}
+void rename_port(Context *ctx, CellInfo *cell, IdString old_name, IdString new_name)
+{
+ if (!cell->ports.count(old_name))
+ return;
+ PortInfo pi = cell->ports.at(old_name);
+ if (pi.net != nullptr) {
+ if (pi.net->driver.cell == cell && pi.net->driver.port == old_name)
+ pi.net->driver.port = new_name;
+ for (auto &usr : pi.net->users)
+ if (usr.cell == cell && usr.port == old_name)
+ usr.port = new_name;
+ }
+ cell->ports.erase(old_name);
+ pi.name = new_name;
+ cell->ports[new_name] = pi;
+}
+
NEXTPNR_NAMESPACE_END