Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Fix setting top/bottom routing layers in Innovus #794

Merged
merged 1 commit into from
Jun 15, 2023
Merged

Fix setting top/bottom routing layers in Innovus #794

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
25 changes: 13 additions & 12 deletions hammer/par/innovus/__init__.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -249,18 +249,6 @@ def init_design(self) -> bool:
# Match SDC time units to timing libraries
verbose_append("set_library_unit -time 1{}".format(self.get_time_unit().value_prefix + self.get_time_unit().unit))

# Set the top and bottom global/detail routing layers.
layers = self.get_setting("vlsi.technology.routing_layers")
if layers is not None:
if self.version() >= self.version_number("201"):
verbose_append(f"set_db design_bottom_routing_layer {layers[0]}")
verbose_append(f"set_db design_top_routing_layer {layers[1]}")
else:
verbose_append(f"set_db route_early_global_bottom_layer {layers[0]}")
verbose_append(f"set_db route_early_global_top_layer {layers[1]}")
verbose_append(f"set_db route_design_bottom_layer {layers[0]}")
verbose_append(f"set_db route_design_top_layer {layers[1]}")

# Read LEF layouts.
lef_files = self.technology.read_libs([
hammer_tech.filters.lef_filter
Expand Down Expand Up @@ -313,6 +301,19 @@ def init_design(self) -> bool:
for l in self.generate_power_spec_commands():
verbose_append(l)

# Set the top and bottom global/detail routing layers.
# This must happen after the tech LEF is loaded
layers = self.get_setting("vlsi.technology.routing_layers")
if layers is not None:
if self.version() >= self.version_number("201"):
verbose_append(f"set_db design_bottom_routing_layer {layers[0]}")
verbose_append(f"set_db design_top_routing_layer {layers[1]}")
else:
verbose_append(f"set_db route_early_global_bottom_layer {layers[0]}")
verbose_append(f"set_db route_early_global_top_layer {layers[1]}")
verbose_append(f"set_db route_design_bottom_layer {layers[0]}")
verbose_append(f"set_db route_design_top_layer {layers[1]}")

# Set design effort.
verbose_append("set_db design_flow_effort {}".format(self.get_setting("par.innovus.design_flow_effort")))

Expand Down