99 lines
3.4 KiB
Python
Executable File
99 lines
3.4 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# NOTE: the custom hooks are only used for sky130.
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import os
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import hammer_vlsi
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from hammer_vlsi import CLIDriver, HammerToolHookAction
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from typing import Dict, Callable, Optional, List
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from technology.sky130 import SKY130Tech
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def example_place_tap_cells(x: hammer_vlsi.HammerTool) -> bool:
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if x.get_setting("vlsi.core.technology") == "sky130":
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x.append('''
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# TODO
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# Place custom TCL here
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''')
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return True
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def example_add_fillers(x: hammer_vlsi.HammerTool) -> bool:
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if x.get_setting("vlsi.core.technology") == "sky130":
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x.append('''
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# TODO
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# Place custom TCL here
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''')
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return True
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def example_tool_settings(x: hammer_vlsi.HammerTool) -> bool:
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if x.get_setting("vlsi.core.technology") == "sky130":
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x.append('''
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# TODO
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# Place custom TCL here
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set_db route_design_bottom_routing_layer 2
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set_db route_design_top_routing_layer 5
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''')
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return True
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def drc_blackbox_openram_srams(x: hammer_vlsi.HammerTool) -> bool:
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if x.get_setting("vlsi.core.technology") == "sky130":
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drc_box = ''
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for name in SKY130Tech().openram_sram_names():
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drc_box += f"\nEXCLUDE CELL {name}"
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with open(x.drc_run_file, "a") as f:
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f.write(drc_box)
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return True
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def lvs_blackbox_openram_srams(x: hammer_vlsi.HammerTool) -> bool:
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if x.get_setting("vlsi.core.technology") == "sky130":
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lvs_box = ''
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for name in SKY130Tech.openram_sram_names():
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lvs_box += f"\nLVS BOX {name}"
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lvs_box += f"\nLVS FILTER {name} OPEN "
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with open(x.lvs_run_file, "a") as f:
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f.write(lvs_box)
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return True
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class ExampleDriver(CLIDriver):
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def get_extra_par_hooks(self) -> List[HammerToolHookAction]:
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extra_hooks = [
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# Default set of steps can be found in the CAD tool plugin's __init__.py
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# make_pre_insertion_hook will execute the custom hook before the specified step
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# SYNTAX: make_pre_insertion_hook("EXISTING_STEP", INSERTED_HOOK)
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# hammer_vlsi.HammerTool.make_pre_insertion_hook("route_design", example_add_fillers),
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# make_post_insertion_hook will execute the custom hook after the specified step
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hammer_vlsi.HammerTool.make_post_insertion_hook("init_design", example_tool_settings),
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# make_replacement_hook will replace the specified step with a custom hook
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# hammer_vlsi.HammerTool.make_replacement_hook("place_tap_cells", example_place_tap_cells),
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# make_removal_hook will remove the specified step from the flow
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hammer_vlsi.HammerTool.make_removal_hook("place_bumps"),
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# The target step in any of the above calls may be a default step or another one of your custom hooks
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]
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return extra_hooks
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def get_extra_drc_hooks(self) -> List[HammerToolHookAction]:
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extra_hooks = [
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# This is an example of a technology-supplied hook
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hammer_vlsi.HammerTool.make_post_insertion_hook("generate_drc_run_file", drc_blackbox_openram_srams),
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]
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return extra_hooks
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def get_extra_lvs_hooks(self) -> List[HammerToolHookAction]:
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extra_hooks = [
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# This is an example of a technology-supplied hook
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hammer_vlsi.HammerTool.make_post_insertion_hook("generate_lvs_run_file", lvs_blackbox_openram_srams),
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]
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return extra_hooks
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if __name__ == '__main__':
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ExampleDriver().main()
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