update signoff scripts to add signoff results of SoC modules to `./<MCW_ROOT>/signoff/`

add false paths and case analysis reports for top-level caravel STA run

scripts/README.md

@@ -41,7 +41,7 @@ optional arguments:
   -a, --all                     run all checks
 ````
 ### How to run Caravel top-level STA including user project wrapper
-1. edit in [pt_sta.tcl](./pt_sta.tcl) the spef mapping section to add the user project module instantiated in user project wrapper
+1. edit in [pt_sta.tcl](https://github.com/efabless/caravel/blob/caravel_redesign/scripts/pt_sta.tcl#L69) the spef mapping section to add the user project module instantiated in user project wrapper
 2. run the command
   ````
   python3 signoff_automation.py -d caravel -sta

scripts/klayout_drc.py

@@ -6,7 +6,7 @@ import os
 
 
 def klayout_gds_drc_check(design_name, drc_script_path, gds_input_file_path, signoff_directory, logs_directory):
-    report_file_path = signoff_directory / 'caravel' / f'{design_name}_klayout_drc.xml'
+    report_file_path = signoff_directory / f'{design_name}' / f'{design_name}_klayout_drc.xml'
     run_drc_check_cmd = ['klayout', '-b', '-r', drc_script_path,
                          '-rd', f"input={gds_input_file_path}",
                          '-rd', f"report={report_file_path}",

scripts/pt_sta.tcl

@@ -233,29 +233,38 @@ if {\
       report_constraint -all_violators -significant_digits 4 -nosplit > $::env(OUT_DIR)/reports/${rc_corner}/${design}.${proc_corner}${proc_corner}-all_viol.rpt
 
       report_timing -delay min -path_type full_clock_expanded -transition_time -capacitance -nets -nosplit \
-      -max_paths 1000 -nworst 10 -slack_lesser_than 100 -significant_digits 4 -include_hierarchical_pins > $::env(OUT_DIR)/reports/${rc_corner}/${design}.${proc_corner}${proc_corner}-min_timing.rpt
+      -max_paths 10000 -nworst 10 -slack_lesser_than 10 -significant_digits 4 -include_hierarchical_pins > $::env(OUT_DIR)/reports/${rc_corner}/${design}.${proc_corner}${proc_corner}-min_timing.rpt
       
       report_timing -delay max -path_type full_clock_expanded -transition_time -capacitance -nets -nosplit \
-      -max_paths 1000 -nworst 10 -slack_lesser_than 100 -significant_digits 4 -include_hierarchical_pins > $::env(OUT_DIR)/reports/${rc_corner}/${design}.${proc_corner}${proc_corner}-max_timing.rpt
+      -max_paths 10000 -nworst 10 -slack_lesser_than 10 -significant_digits 4 -include_hierarchical_pins > $::env(OUT_DIR)/reports/${rc_corner}/${design}.${proc_corner}${proc_corner}-max_timing.rpt
 
       if {$design == "caravel"} {
         report_timing -delay min -path_type full_clock_expanded -transition_time -capacitance -nets -nosplit -group clk \
-        -max_paths 1000 -nworst 10 -slack_lesser_than 100 -significant_digits 4 -include_hierarchical_pins > $::env(OUT_DIR)/reports/${rc_corner}/${design}.${proc_corner}${proc_corner}-clk-min_timing.rpt
+        -max_paths 10000 -nworst 10 -slack_lesser_than 10 -significant_digits 4 -include_hierarchical_pins > $::env(OUT_DIR)/reports/${rc_corner}/${design}.${proc_corner}${proc_corner}-clk-min_timing.rpt
+        
+        report_timing -delay max -path_type full_clock_expanded -transition_time -capacitance -nets -nosplit -group clk \
+        -max_paths 10000 -nworst 10 -slack_lesser_than 10 -significant_digits 4 -include_hierarchical_pins > $::env(OUT_DIR)/reports/${rc_corner}/${design}.${proc_corner}${proc_corner}-clk-max_timing.rpt
         
         report_timing -delay min -path_type full_clock_expanded -transition_time -capacitance -nets -nosplit -group hk_serial_clk \
-        -max_paths 1000 -nworst 10 -slack_lesser_than 100 -significant_digits 4 -include_hierarchical_pins > $::env(OUT_DIR)/reports/${rc_corner}/${design}.${proc_corner}${proc_corner}-hk_serial_clk-min_timing.rpt
+        -max_paths 10000 -nworst 10 -slack_lesser_than 10 -significant_digits 4 -include_hierarchical_pins > $::env(OUT_DIR)/reports/${rc_corner}/${design}.${proc_corner}${proc_corner}-hk_serial_clk-min_timing.rpt
         
         report_timing -delay max -path_type full_clock_expanded -transition_time -capacitance -nets -nosplit -group hk_serial_clk \
-        -max_paths 1000 -nworst 10 -slack_lesser_than 100 -significant_digits 4 -include_hierarchical_pins > $::env(OUT_DIR)/reports/${rc_corner}/${design}.${proc_corner}${proc_corner}-hk_serial_clk-max_timing.rpt
+        -max_paths 10000 -nworst 10 -slack_lesser_than 10 -significant_digits 4 -include_hierarchical_pins > $::env(OUT_DIR)/reports/${rc_corner}/${design}.${proc_corner}${proc_corner}-hk_serial_clk-max_timing.rpt
+
+        report_timing -delay max -path_type full_clock_expanded -transition_time -capacitance -nets -nosplit -group hkspi_clk \
+        -max_paths 10000 -nworst 10 -slack_lesser_than 10 -significant_digits 4 -include_hierarchical_pins > $::env(OUT_DIR)/reports/${rc_corner}/${design}.${proc_corner}${proc_corner}-hkspi_clk-max_timing.rpt
 
         report_timing -delay min -path_type full_clock_expanded -transition_time -capacitance -nets -nosplit -group hkspi_clk \
-        -max_paths 1000 -nworst 10 -slack_lesser_than 100 -significant_digits 4 -include_hierarchical_pins > $::env(OUT_DIR)/reports/${rc_corner}/${design}.${proc_corner}${proc_corner}-hkspi_clk-min_timing.rpt
+        -max_paths 10000 -nworst 10 -slack_lesser_than 10 -significant_digits 4 -include_hierarchical_pins > $::env(OUT_DIR)/reports/${rc_corner}/${design}.${proc_corner}${proc_corner}-hkspi_clk-min_timing.rpt
 
         report_timing -delay min -through [get_cells soc] -path_type full_clock_expanded -transition_time -capacitance -nets -nosplit \
-        -max_paths 1000 -nworst 10 -slack_lesser_than 100 -significant_digits 4 -include_hierarchical_pins > $::env(OUT_DIR)/reports/${rc_corner}/${design}.${proc_corner}${proc_corner}-soc-min_timing.rpt
+        -max_paths 10000 -nworst 10 -slack_lesser_than 10 -significant_digits 4 -include_hierarchical_pins > $::env(OUT_DIR)/reports/${rc_corner}/${design}.${proc_corner}${proc_corner}-soc-min_timing.rpt
 
         report_timing -delay max -through [get_cells soc] -path_type full_clock_expanded -transition_time -capacitance -nets -nosplit \
-        -max_paths 1000 -nworst 10 -slack_lesser_than 100 -significant_digits 4 -include_hierarchical_pins > $::env(OUT_DIR)/reports/${rc_corner}/${design}.${proc_corner}${proc_corner}-soc-max_timing.rpt
+        -max_paths 10000 -nworst 10 -slack_lesser_than 10 -significant_digits 4 -include_hierarchical_pins > $::env(OUT_DIR)/reports/${rc_corner}/${design}.${proc_corner}${proc_corner}-soc-max_timing.rpt
+
+        report_case_analysis -nosplit > $::env(OUT_DIR)/reports/${design}.case_analysis.rpt
+        report_exceptions -nosplit > $::env(OUT_DIR)/reports/${design}.false_paths.rpt
       }
 
       write_sdf -version 3.0 -significant_digits 4 $::env(OUT_DIR)/sdf/${rc_corner}/${design}.${proc_corner}${proc_corner}.sdf

scripts/signoff_automation.py

@@ -34,12 +34,12 @@ def build_caravel(caravel_root, mcw_root, pdk_root, log_dir, pdk_env):
         subprocess.run(build_cmd, stderr=build_log, stdout=build_log)
 
 
-def run_drc(caravel_root, log_dir, signoff_dir, pdk_root, design):
+def run_drc(design_root, log_dir, signoff_dir, pdk_root, design):
     klayout_drc_cmd = [
         "python3",
         "klayout_drc.py",
         "-g",
-        f"{caravel_root}/gds/{design}.gds",
+        f"{design_root}/gds/{design}.gds",
         "-l",
         f"{log_dir}",
         "-s",
@@ -383,6 +383,8 @@ if __name__ == "__main__":
     sta = args.primetime_sta
     design = args.design
     antenna = args.antenna
+    if (design == "mgmt_core_wrapper" or design == "RAM128" or design == "RAM256"):
+        signoff_dir = os.path.join(mcw_root, "signoff")
 
     if not os.path.exists(f"{log_dir}"):
         os.makedirs(f"{log_dir}")
@@ -423,7 +425,10 @@ if __name__ == "__main__":
         sta = True
 
     if drc:
-        drc_p1 = run_drc(caravel_root, log_dir, signoff_dir, pdk_root, design)
+        if (design == "mgmt_core_wrapper" or design == "RAM128" or design == "RAM256"):
+            drc_p1 = run_drc(mcw_root, log_dir, signoff_dir, pdk_root, design)
+        else:
+            drc_p1 = run_drc(caravel_root, log_dir, signoff_dir, pdk_root, design)
         logging.info(f"Running klayout DRC on {design}")
     if lvs:
         lvs_p1 = run_lvs(