full flow working with example config

vlsi/example-asap7.yml

@@ -1,8 +1,11 @@
 # Technology Setup
 # Technology used is ASAP7
 vlsi.core.technology: asap7
-# Specify dir with ASAP7 tarball
+# Specify dir with ASAP7 Calibre deck tarball
-technology.asap7.tarball_dir: ""
+technology.asap7.tarball_dir: "/path/to/asap7"
+# Specify PDK and std cell install directories
+# technology.asap7.pdk_install_dir: "/path/to/asap7/asap7PDK_r1p7"
+# technology.asap7.stdcell_install_dir: "/path/to/asap7/asap7sc7p5t_27"
 
 vlsi.core.max_threads: 12
 
@@ -20,30 +23,6 @@ vlsi.inputs.clocks: [
 # Generate Make include to aid in flow 
 vlsi.core.build_system: make
 
-# Power Straps
-par.power_straps_mode: generate
-par.generate_power_straps_method: by_tracks
-par.blockage_spacing: 2.0
-par.generate_power_straps_options:
-  by_tracks:
-    strap_layers:
-      - M3
-      - M4
-      - M5
-      - M6
-      - M7
-      - M8
-      - M9
-    pin_layers:
-      - M9
-    track_width: 7 # minimum allowed for M2 & M3
-    track_spacing: 0
-    track_spacing_M3: 1 # to avoid M2 shorts at higher density
-    track_start: 10
-    power_utilization: 0.2
-    power_utilization_M8: 1.0
-    power_utilization_M9: 1.0
-
 # Placement Constraints
 # For ASAP7, all numbers must be 4x larger than final GDS
 vlsi.inputs.placement_constraints:

vlsi/example-tools.yml

@@ -20,8 +20,10 @@ par.inputs.gds_merge: true
 # Calibre options
 vlsi.core.drc_tool: "calibre"
 vlsi.core.drc_tool_path: ["hammer-mentor-plugins/drc"]
+drc.calibre.version: "2017.3_38.30"
 vlsi.core.lvs_tool: "calibre"
 vlsi.core.lvs_tool_path: ["hammer-mentor-plugins/lvs"]
+lvs.calibre.version: "2017.3_38.30"
 # VCS options
 vlsi.core.sim_tool: "vcs"
 vlsi.core.sim_tool_path: ["hammer-synopsys-plugins/sim"]

vlsi/example-vlsi

@@ -36,25 +36,6 @@ set_db route_design_top_routing_layer 7
 ''')
     return True
 
-def scale_final_gds(x: hammer_vlsi.HammerTool) -> bool:
-    """
-    Scale the final GDS by a factor of 4
-    hammer/src/hammer-vlsi/technology/asap7/__init__.py implements scale_gds_script
-    """
-    if x.get_setting("vlsi.core.technology") == "asap7":
-        x.append('''
-# Write script out to a temporary file and execute it
-set fp [open "{script_file}" "w"]
-puts -nonewline $fp "{script_text}"
-close $fp
-
-# Innovus <19.1 appends some bad LD_LIBRARY_PATHS, so remove them before executing python
-set env(LD_LIBRARY_PATH) [join [lsearch -not -all -inline [split $env(LD_LIBRARY_PATH) ":"] "*INNOVUS*"] ":"]
-python3 {script_file}
-'''.format(script_text=x.technology.scale_gds_script(x.output_gds_filename), script_file=os.path.join(x.run_dir, "gds_scale.py")))
-    return True
-
-
 class ExampleDriver(CLIDriver):
     def get_extra_par_hooks(self) -> List[HammerToolHookAction]:
         extra_hooks = [
@@ -66,7 +47,7 @@ class ExampleDriver(CLIDriver):
             # hammer_vlsi.HammerTool.make_pre_insertion_hook("route_design", example_add_fillers),
 
             # make_post_insertion_hook will execute the custom hook after the specified step
-            hammer_vlsi.HammerTool.make_post_insertion_hook("init_design", example_tool_settings),
+            # hammer_vlsi.HammerTool.make_post_insertion_hook("init_design", example_tool_settings),
 
             # make_replacement_hook will replace the specified step with a custom hook
             # hammer_vlsi.HammerTool.make_replacement_hook("place_tap_cells", example_place_tap_cells),
@@ -75,9 +56,6 @@ class ExampleDriver(CLIDriver):
             hammer_vlsi.HammerTool.make_removal_hook("place_bumps"),
 
             # The target step in any of the above calls may be a default step or another one of your custom hooks
-
-            # This is an example of a technology-supplied hook
-            hammer_vlsi.HammerTool.make_post_insertion_hook("write_design", scale_final_gds)
         ]
         return extra_hooks 
 

vlsi/view_gds.py

@@ -1,16 +1,31 @@
-import sys
+#!/usr/bin/python3
 
-try:
+import sys, os, subprocess
-    import gdspy
-except ImportError:
-    print('Bad gdspy installation!')
-    sys.exit()
 
 print('Loading GDS...')
-gds_lib = gdspy.GdsLibrary().read_gds(infile=str(sys.argv[1]), units='import')
 
-# Comment to show layer
+#try:
-hidden=[
+#    # gdstk created SVG
+#    import gdstk
+#except ImportError:
+#    try:
+#        import gdspy
+#        import tkinter
+#    except ImportError:
+#        print('Bad gdspy (requires tkinter) installation!')
+#        sys.exit()
+import gdspy
+
+if 'gdstk' in sys.modules:
+    svg_file = os.path.splitext(str(sys.argv[1]))[0] + '.svg'
+    print('Opening {} with xdg-open...'.format(os.path.basename(svg_file)))
+    subprocess.call(['xdg-open', svg_file])
+
+elif 'gdspy' in sys.modules:
+    gds_lib = gdspy.GdsLibrary().read_gds(infile=str(sys.argv[1]), units='import')
+
+    # Comment to show layer
+    hidden=[
             (1, 0),     #well
             (1, 251),   #well lbl
             (2, 0),     #fin
@@ -57,10 +72,11 @@ hidden=[
             (97, 0),    #SLVT
             (98, 0),    #LVT
             (99, 0),    #SRAMDRC
-        (100, 0),   #???
+            (100, 0),   #BOUNDARY
-        (101, 0),   #???
+            (101, 0),   #TEXT
-        (110, 0)    #SRAMVT
+            (110, 0),   #SRAMVT
+            (235, 5)    #DIEAREA
             ]
 
-print('Opening layout...')
+    print('Opening layout in gdspy...')
-gdspy.LayoutViewer(gds_lib, hidden_types=hidden, depth=1)
+    gdspy.LayoutViewer(gds_lib, hidden_types=hidden, depth=1)