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update signoff scripts to name the signoff summary report as `signoff.rpt` and: 

to report more details for STA in the `signoff.rpt` and consider the STA test passing if the violations are `max_tran` or `max_cap`
This commit is contained in:
Passant 2022-10-17 09:13:12 -07:00
parent e756b57cdc
commit c56dca0847
3 changed files with 222 additions and 177 deletions
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4
scripts/pt_sta.tcl
View File

@ -19,9 +19,9 @@ if {\
set link_path "* $::env(PT_LIB_ROOT)/scs130hd_ff_1.95v_-40C.lib \
$::env(PT_LIB_ROOT)/scs130hvl_ff_5.5v_-40C.lib \
$::env(PT_LIB_ROOT)/scs130hvl_ff_5.5v_lowhv_5.5v_lv_1.95v_-40C.lib \
$::env(PDK_ROOT)/$::env(PDK)/libs.ref/sky130_fd_io/lib/sky130_fd_io__top_xres4v2_ff_ff_n40C_1v95_5v50.lib.lib \
$::env(PDK_ROOT)/$::env(PDK)/libs.ref/sky130_fd_io/lib/sky130_fd_io__top_xres4v2_ff_ff_n40C_1v95_5v50.lib \
$::env(PDK_ROOT)/$::env(PDK)/libs.ref/sky130_fd_io/lib/sky130_ef_io__gpiov2_pad_wrapped_ff_ff_n40C_1v95_5v50.lib \
$::env(PDK_ROOT)/$::env(PDK)/libs.ref/sky130_fd_io/lib/sky130_ef_io__vccd_lvc_clamped_pad_ff_n40C_1v95_5v50_5v50.lib.lib \
$::env(PDK_ROOT)/$::env(PDK)/libs.ref/sky130_fd_io/lib/sky130_ef_io__vccd_lvc_clamped_pad_ff_n40C_1v95_5v50_5v50.lib \
$::env(PDK_ROOT)/$::env(PDK)/libs.ref/sky130_fd_io/lib/sky130_ef_io__vdda_hvc_clamped_pad_ff_n40C_1v95_5v50_5v50.lib \
$::env(PDK_ROOT)/$::env(PDK)/libs.ref/sky130_fd_io/lib/sky130_ef_io__vssa_hvc_clamped_pad_ff_n40C_1v95_5v50_5v50.lib \
$::env(PDK_ROOT)/$::env(PDK)/libs.ref/sky130_fd_io/lib/sky130_ef_io__vssd_lvc_clamped3_pad_ff_n40C_1v95_5v50.lib \

384
scripts/run_pt_sta.py
View File

@ -7,199 +7,235 @@ import argparse
import os
def run_sta_all (
design: str,
output_dir: str,
log_dir: str
design: str,
output_dir: str,
log_dir: str
):
proc_corners = ["t", "s", "f"]
rc_corners = ["nom", "max", "min"]
for proc in proc_corners:
for rc in rc_corners:
run_sta (design, proc, rc, output_dir, log_dir)
proc_corners = ["t", "s", "f"]
rc_corners = ["nom", "max", "min"]
for proc in proc_corners:
for rc in rc_corners:
run_sta (design, proc, rc, output_dir, log_dir)
def run_sta (
design: str,
proc_corner: str,
rc_corner: str,
output_dir: str,
log_dir: str
design: str,
proc_corner: str,
rc_corner: str,
output_dir: str,
log_dir: str
):
print (f"PrimeTime STA run for design: {design} at process corner {proc_corner} and RC corner {rc_corner}")
# Output directory structure
sub_dirs = ['reports', 'sdf', 'lib']
for item in sub_dirs:
path=os.path.join(output_dir,item)
try:
os.makedirs(os.path.join(path,rc_corner))
except FileExistsError:
# directory already exists
pass
print (f"PrimeTime STA run for design: {design} at process corner {proc_corner} and RC corner {rc_corner}")
# Output directory structure
sub_dirs = ['reports', 'sdf', 'lib']
for item in sub_dirs:
path=os.path.join(output_dir,item)
try:
os.makedirs(os.path.join(path,rc_corner))
except FileExistsError:
# directory already exists
pass
# Enviornment Variables
check_env_vars()
os.environ["PDK_ROOT"] = os.getenv('PDK_ROOT')
os.environ["PDK"] = os.getenv('PDK')
os.environ["PT_LIB_ROOT"] = os.getenv('PT_LIB_ROOT')
os.environ["CARAVEL_ROOT"] = os.getenv('CARAVEL_ROOT')
os.environ["UPRJ_ROOT"] = os.getenv('UPRJ_ROOT')
os.environ["MCW_ROOT"] = os.getenv('MCW_ROOT')
os.environ["OUT_DIR"] = output_dir
SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
os.environ["DESIGN"] = design
os.environ["PROC_CORNER"] = proc_corner
os.environ["RC_CORNER"] = rc_corner
# Enviornment Variables
check_env_vars()
os.environ["PDK_ROOT"] = os.getenv('PDK_ROOT')
os.environ["PDK"] = os.getenv('PDK')
os.environ["PT_LIB_ROOT"] = os.getenv('PT_LIB_ROOT')
os.environ["CARAVEL_ROOT"] = os.getenv('CARAVEL_ROOT')
os.environ["UPRJ_ROOT"] = os.getenv('UPRJ_ROOT')
os.environ["MCW_ROOT"] = os.getenv('MCW_ROOT')
os.environ["OUT_DIR"] = output_dir
SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
os.environ["DESIGN"] = design
os.environ["PROC_CORNER"] = proc_corner
os.environ["RC_CORNER"] = rc_corner
# PrimeTime command
PT_tcl = f"{SCRIPT_DIR}/pt_sta.tcl"
pt_command = f"source /tools/bashrc_snps; pt_shell -f {PT_tcl} -output_log_file {log_dir}/{design}/{design}-{rc_corner}-{proc_corner}-sta.log"
os.system(pt_command)
# Check if there exists any violations
sta_pass=search_viol(f"{output_dir}/reports/{rc_corner}/{design}.{proc_corner}{proc_corner}-all_viol.rpt")
log = open(f"{log_dir}/{design}/{design}-{rc_corner}-{proc_corner}-sta.log", "a")
if sta_pass == "pass":
print (f"STA run Passed!")
log.write(f"STA run Passed!")
else:
print (f"STA run Failed!")
log.write(f"STA run Failed!\n")
if sta_pass == "viol":
print(f"There are violations. check report: {output_dir}/reports/{rc_corner}/{design}.{proc_corner}{proc_corner}-all_viol.rpt")
log.write(f"There are violations. check report: {output_dir}/reports/{rc_corner}/{design}.{proc_corner}{proc_corner}-all_viol.rpt")
elif sta_pass== "no cons":
print(f"Reading constraints SDC file failed. check log: {log_dir}/{design}/{design}-{rc_corner}-{proc_corner}-sta.log")
log.write(f"Reading constraints SDC file failed. check log: {log_dir}/{design}/{design}-{rc_corner}-{proc_corner}-sta.log")
# PrimeTime command
PT_tcl = f"{SCRIPT_DIR}/pt_sta.tcl"
pt_command = f"source /tools/bashrc_snps; pt_shell -f {PT_tcl} -output_log_file {log_dir}/{design}/{design}-{rc_corner}-{proc_corner}-sta.log"
os.system(pt_command)
# Check if there exists any violations
sta_pass=search_viol(f"{output_dir}/reports/{rc_corner}/{design}.{proc_corner}{proc_corner}-global.rpt")
log = open(f"{log_dir}/{design}/{design}-{rc_corner}-{proc_corner}-sta.log", "a")
if sta_pass == "pass":
print (f"STA run Passed!")
log.write(f"STA run Passed!")
else:
print(f"Linking failed. check log: {log_dir}/{design}/{design}-{rc_corner}-{proc_corner}-sta.log")
log.write(f"Linking failed. check log: {log_dir}/{design}/{design}-{rc_corner}-{proc_corner}-sta.log")
log.close()
if sta_pass == "max_tran_cap":
print (f"STA run Passed!")
log.write(f"STA run Passed!\n")
print (f"There are max_transition and max_capacitance violations. check report: {output_dir}/reports/{rc_corner}/{design}.{proc_corner}{proc_corner}-all_viol.rpt")
log.write(f"There are max_transition and max_capacitance violations. check report: {output_dir}/reports/{rc_corner}/{design}.{proc_corner}{proc_corner}-all_viol.rpt")
elif sta_pass == "max_tran":
print (f"STA run Passed!")
log.write(f"STA run Passed!\n")
print (f"There are max_transition violations. check report: {output_dir}/reports/{rc_corner}/{design}.{proc_corner}{proc_corner}-all_viol.rpt")
log.write(f"There are max_transition violations. check report: {output_dir}/reports/{rc_corner}/{design}.{proc_corner}{proc_corner}-all_viol.rpt")
elif sta_pass == "max_cap":
print (f"STA run Passed!")
log.write(f"STA run Passed!\n")
print (f"There are max_capacitance violations. check report: {output_dir}/reports/{rc_corner}/{design}.{proc_corner}{proc_corner}-all_viol.rpt")
log.write(f"There are max_capacitance violations. check report: {output_dir}/reports/{rc_corner}/{design}.{proc_corner}{proc_corner}-all_viol.rpt")
else:
print (f"STA run Failed!")
log.write(f"STA run Failed!\n")
if sta_pass == "setup":
print(f"There are setup violations. check report: {output_dir}/reports/{rc_corner}/{design}.{proc_corner}{proc_corner}-global.rpt")
log.write(f"There are setup violations. check report: {output_dir}/reports/{rc_corner}/{design}.{proc_corner}{proc_corner}-global.rpt")
elif sta_pass == "hold":
print(f"There are hold violations. check report: {output_dir}/reports/{rc_corner}/{design}.{proc_corner}{proc_corner}-global.rpt")
log.write(f"There are hold violations. check report: {output_dir}/reports/{rc_corner}/{design}.{proc_corner}{proc_corner}-global.rpt")
elif sta_pass == "viol":
print(f"There are violations. check report: {output_dir}/reports/{rc_corner}/{design}.{proc_corner}{proc_corner}-all_viol.rpt")
log.write(f"There are violations. check report: {output_dir}/reports/{rc_corner}/{design}.{proc_corner}{proc_corner}-all_viol.rpt")
elif sta_pass== "no cons":
print(f"Reading constraints SDC file failed. check log: {log_dir}/{design}/{design}-{rc_corner}-{proc_corner}-sta.log")
log.write(f"Reading constraints SDC file failed. check log: {log_dir}/{design}/{design}-{rc_corner}-{proc_corner}-sta.log")
else:
print(f"Linking failed. check log: {log_dir}/{design}/{design}-{rc_corner}-{proc_corner}-sta.log")
log.write(f"Linking failed. check log: {log_dir}/{design}/{design}-{rc_corner}-{proc_corner}-sta.log")
log.close()
# Check the required env variables
def check_env_vars():
pdk_root = os.getenv('PDK_ROOT')
pdk = os.getenv('PDK')
pt_lib_root = os.getenv('PT_LIB_ROOT')
caravel_root = os.getenv('CARAVEL_ROOT')
uprj_root = os.getenv('UPRJ_ROOT')
mcw_root = os.getenv('MCW_ROOT')
if pdk_root is None:
raise FileNotFoundError(
"Please export PDK_ROOT to the PDK path"
)
if pdk is None:
raise FileNotFoundError(
"Please export PDK to either sky130A or sky130B"
)
if pt_lib_root is None:
raise FileNotFoundError(
"Please export PT_LIB_ROOT to the PrimeTime liberties path"
)
if caravel_root is None:
raise FileNotFoundError(
"Please export CARAVEL_ROOT to the Caravel repo path"
)
if mcw_root is None:
raise FileNotFoundError(
"Please export MCW_ROOT to the Caravel Management SoC Litex repo path"
)
if uprj_root is None:
raise FileNotFoundError(
"Please export UPRJ_ROOT to the Caravel User Project Wrapper repo path"
)
pdk_root = os.getenv('PDK_ROOT')
pdk = os.getenv('PDK')
pt_lib_root = os.getenv('PT_LIB_ROOT')
caravel_root = os.getenv('CARAVEL_ROOT')
uprj_root = os.getenv('UPRJ_ROOT')
mcw_root = os.getenv('MCW_ROOT')
if pdk_root is None:
raise FileNotFoundError(
"Please export PDK_ROOT to the PDK path"
)
if pdk is None:
raise FileNotFoundError(
"Please export PDK to either sky130A or sky130B"
)
if pt_lib_root is None:
raise FileNotFoundError(
"Please export PT_LIB_ROOT to the PrimeTime liberties path"
)
if caravel_root is None:
raise FileNotFoundError(
"Please export CARAVEL_ROOT to the Caravel repo path"
)
if mcw_root is None:
raise FileNotFoundError(
"Please export MCW_ROOT to the Caravel Management SoC Litex repo path"
)
if uprj_root is None:
raise FileNotFoundError(
"Please export UPRJ_ROOT to the Caravel User Project Wrapper repo path"
)
# Analyze the STA all violators output report
def search_viol(
report_path: str
report_path: str
):
with open(report_path, 'r') as report:
data = report.read()
if "(VIOLATED)" in data:
return "viol"
elif "Could not auto-link design" in data:
return "no link"
report_path = report_path.replace("all_viol", "min_timing")
with open(report_path, 'r') as report:
data = report.read()
if "No constrained paths" in data:
return "no cons"
else:
return "pass"
with open(report_path, 'r') as report:
data = report.read()
if "Setup violations" in data:
return "setup"
elif "Hold violations" in data:
return "hold"
elif "Could not auto-link design" in data:
return "no link"
report_path = report_path.replace("global", "all_viol")
with open(report_path, 'r') as report:
data = report.read()
if "max_transition" in data:
if "max_capacitance" in data:
return "max_tran_cap"
return "max_tran"
elif "max_capacitance" in data:
return "max_cap"
elif "VIOLATED" in data:
return "viol"
report_path = report_path.replace("all_viol", "min_timing")
with open(report_path, 'r') as report:
data = report.read()
if "No constrained paths" in data:
return "no cons"
else:
return "pass"
if __name__ == "__main__":
parser = argparse.ArgumentParser(
description="Run STA using PrimeTime"
)
parser.add_argument(
"-d",
"--design",
help="design name",
required=True
)
parser.add_argument(
"-o",
"--output_dir",
help="output directory",
required=True
)
parser.add_argument(
"-l",
"--logs_dir",
help="output directory",
required=True
)
parser.add_argument(
"-rc",
"--rc_corner",
help="Specify the RC corner for the parasitics (Values are nom, max, or min) <default is nom>",
nargs="?",
default="nom"
)
parser.add_argument(
"-proc",
"--proc_corner",
help="Specify the process corner (Values are t, f, or s) <default is t>",
nargs="?",
default="t"
)
parser.add_argument(
"-a",
"--all",
help="Specify to run all the process corners and rc corners combinations for the design",
action='store_true'
)
parser = argparse.ArgumentParser(
description="Run STA using PrimeTime"
)
parser.add_argument(
"-d",
"--design",
help="design name",
required=True
)
parser.add_argument(
"-o",
"--output_dir",
help="output directory",
required=True
)
parser.add_argument(
"-l",
"--logs_dir",
help="output directory",
required=True
)
parser.add_argument(
"-rc",
"--rc_corner",
help="Specify the RC corner for the parasitics (Values are nom, max, or min) <default is nom>",
nargs="?",
default="nom"
)
parser.add_argument(
"-proc",
"--proc_corner",
help="Specify the process corner (Values are t, f, or s) <default is t>",
nargs="?",
default="t"
)
parser.add_argument(
"-a",
"--all",
help="Specify to run all the process corners and rc corners combinations for the design",
action='store_true'
)
args = parser.parse_args()
args = parser.parse_args()
output = os.path.abspath(os.path.join(args.output_dir,"primetime-signoff"))
log = os.path.abspath(args.logs_dir)
output = os.path.abspath(os.path.join(args.output_dir,"primetime-signoff"))
log = os.path.abspath(args.logs_dir)
try:
os.makedirs(output)
except FileExistsError:
# directory already exists
pass
try:
os.makedirs(log)
except FileExistsError:
# directory already exists
pass
try:
os.makedirs(os.path.join(log,args.design))
except FileExistsError:
# directory already exists
pass
sub_dirs = ['reports', 'sdf', 'lib']
for item in sub_dirs:
try:
os.makedirs(os.path.join(output,item))
os.makedirs(output)
except FileExistsError:
# directory already exists
pass
# directory already exists
pass
if args.all:
run_sta_all (args.design, output, log)
else:
run_sta (args.design, args.proc_corner, args.rc_corner, output, log)
try:
os.makedirs(log)
except FileExistsError:
# directory already exists
pass
try:
os.makedirs(os.path.join(log,args.design))
except FileExistsError:
# directory already exists
pass
sub_dirs = ['reports', 'sdf', 'lib']
for item in sub_dirs:
try:
os.makedirs(os.path.join(output,item))
except FileExistsError:
# directory already exists
pass
if args.all:
run_sta_all (args.design, output, log)
else:
run_sta (args.design, args.proc_corner, args.rc_corner, output, log)

11
scripts/signoff_automation.py
View File

@ -189,7 +189,7 @@ def run_antenna(
def check_errors(
caravel_root, log_dir, signoff_dir, drc, lvs, verification, sta, design, antenna
):
f = open(os.path.join(signoff_dir, f"{design}/standalone_pvr.rpt"), "w")
f = open(os.path.join(signoff_dir, f"{design}/signoff.rpt"), "w")
if drc:
drc_count_klayout = os.path.join(log_dir, f"{design}_klayout_drc.total")
with open(drc_count_klayout) as rep:
@ -249,6 +249,15 @@ def check_errors(
if "Passed" in lines[-1]:
logging.info(f"{log_name} STA: Passed")
f.write(f"{log_name} STA: Passed\n")
elif "max_transition and max_capacitance" in lines[-1]:
logging.info(f"{log_name} STA: Passed (max_tran & max_cap)")
f.write(f"{log_name} STA: Passed (max_tran & max_cap)\n")
elif "max_transition" in lines[-1]:
logging.info(f"{log_name} STA: Passed (max_tran)")
f.write(f"{log_name} STA: Passed (max_tran)\n")
elif "max_capacitance" in lines[-1]:
logging.info(f"{log_name} STA: Passed (max_cap)")
f.write(f"{log_name} STA: Passed (max_cap)\n")
else:
logging.error(lines[-1])
logging.error(f"{log_name} STA: Failed")