add flatglob to tech file; sky130 replica col lvs working

compiler/verify/magic.py

@@ -26,7 +26,6 @@ import shutil
 import debug
 from globals import OPTS
 from .run_script import *
-
 # Keep track of statistics
 num_drc_runs = 0
 num_lvs_runs = 0
@@ -96,13 +95,24 @@ def write_drc_script(cell_name, gds_name, extract, final_verification, output_pa
     f.write("gds warning default\n")
     # Flatten the transistors
     # Bug in Netgen 1.5.194 when using this...
-    f.write("gds flatglob *_?mos_m*\n")
+    try:
+        from tech import blackbox_cells
+    except ImportError:
+        blackbox_cells = []
+
+    try:
+        from tech import flatglob
+    except ImportError:
+        flatglob = []
+        f.write("gds readonly true\n")
+
+    for entry in flatglob:
+        f.write("gds flatglob " +entry + "\n")
     # These two options are temporarily disabled until Tim fixes a bug in magic related
     # to flattening channel routes and vias (hierarchy with no devices in it). Otherwise,
     # they appear to be disconnected.
     f.write("gds flatten true\n")
     f.write("gds ordering true\n")
-    f.write("gds readonly true\n")
     f.write("gds read {}\n".format(gds_name))
     f.write('puts "Finished reading gds {}"\n'.format(gds_name))
     f.write("load {}\n".format(cell_name))
@@ -164,10 +174,6 @@ def write_drc_script(cell_name, gds_name, extract, final_verification, output_pa
     f.write("#!/bin/sh\n")
     f.write('export OPENRAM_TECH="{}"\n'.format(os.environ['OPENRAM_TECH']))
     # Copy the bitcell mag files if they exist
-    try:
-        from tech import blackbox_cells
-    except ImportError:
-        blackbox_cells = []
     for blackbox_cell_name in blackbox_cells:
         mag_file = OPTS.openram_tech + "maglef_lib/" + blackbox_cell_name + ".mag"
         debug.check(os.path.isfile(mag_file), "Could not find blackbox cell {}".format(mag_file))

technology/sky130/custom/sky130_replica_column.py

@@ -90,8 +90,8 @@ class sky130_replica_column(sky130_bitcell_base_array):
         self.add_pin("vdd", "POWER")
         self.add_pin("gnd", "GROUND")
 
-        self.add_pin("top_gate", "INPUT")
+        #self.add_pin("top_gate", "INPUT")
-        self.add_pin("bot_gate", "INPUT")
+        #self.add_pin("bot_gate", "INPUT")
 
     def add_modules(self):
         self.replica_cell = factory.create(module_type="replica_bitcell_1port", version="opt1")
@@ -220,6 +220,16 @@ class sky130_replica_column(sky130_bitcell_base_array):
                                     width=self.width,
                                     height=wl_pin.height())
 
+        # for colend in [self.cell_inst[0], self.cell_inst[self.row_size]]:
+        #     inst = self.cell_inst[row]
+        #     for pin_name in ["top_gate", "bot_gate"]:
+        #         pin = inst.get_pin("gate")
+        #         self.add_layout_pin(text=pin_name,
+        #                             layer=pin.layer,
+        #                             offset=pin.ll(),
+        #                             width=pin.width(),
+        #                             height=pin.height())
+
         for row in range(self.row_size + 2):
             inst = self.cell_inst[row]
             # add only 1 label per col
@@ -235,7 +245,6 @@ class sky130_replica_column(sky130_bitcell_base_array):
                     self.objs.append(geometry.label("vdd", layer["nwell"], pin.center()))
 
                 if 'VNB' or 'vnb' in self.cell_inst[row].mod.pins:
-                    print("welling")
                     try:
                         from tech import layer_override
                         if layer_override['VNB']:

technology/sky130/tech/tech.py

@@ -781,6 +781,16 @@ library_prefix_name = "sky130_fd_bd_sram__"
 # List of cells to skip running DRC/LVS on directly
 # This will look for a maglef file and copy it over the mag file
 # before DRC after extraction
+
+flatglob = ["*_?mos_m*",
+            "sky130_fd_bd_sram__sram_sp_cell_fom_serifs",
+            "sky130_fd_bd_sram__openram_sp_cell_opt1a_cell",
+            "sky130_fd_bd_sram__openram_sp_cell_opt1a_replica_ce",
+            "sky130_fd_bd_sram__openram_sp_cell_opt1_replica_cell",
+            "sky130_fd_bd_sram__openram_sp_cell_opt1_replica_ce",
+            "sky130_fd_bd_sram__openram_sp_cell_opt1a_cell",
+            "sky130_fd_bd_sram__sram_sp_cell_fom_serifs"]
+
 blackbox_cells = ["sky130_fd_bd_sram__openram_dp_cell",
                   "sky130_fd_bd_sram__openram_dp_cell_dummy",
                   "sky130_fd_bd_sram__openram_dp_cell_replica",