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Move verify into a module. Make characterizer a module. Move exe searching to modules.

This commit is contained in:
mguthaus 2017-11-15 17:02:53 -08:00
parent 658f794b12
commit 2eb9f5c6bc
12 changed files with 119 additions and 110 deletions
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31
compiler/characterizer/__init__.py Normal file
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@ -0,0 +1,31 @@
import os
import debug
from globals import OPTS,find_exe,get_tool
import lib
import delay
import setup_hold
debug.info(2,"Initializing characterizer...")
spice_exe = ""
if OPTS.analytical_delay:
debug.info(1,"Using analytical delay models (no characterization)")
else:
if OPTS.spice_version != "":
spice_exe=find_exe(OPTS.spice_version)
if spice_exe=="":
debug.error("{0} not found. Unable to perform characterization.".format(OPTS.spice_version),1)
else:
(choice,spice_exe) = get_tool("spice",["xa", "hspice", "ngspice", "ngspice.exe"])
OPTS.spice_version = choice
# set the input dir for spice files if using ngspice
if OPTS.spice_version == "ngspice":
os.environ["NGSPICE_INPUT_DIR"] = "{0}".format(OPTS.openram_temp)
if spice_exe == "":
debug.error("No recognizable spice version found. Unable to perform characterization.",1)

11
compiler/characterizer/stimuli.py
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@ -278,21 +278,22 @@ def run_sim():
temp_stim = "{0}stim.sp".format(OPTS.openram_temp)
from characterizer import spice_exe
if OPTS.spice_version == "xa":
cmd = "{0} {1} -o {2}xa -mt 20".format(OPTS.spice_exe,
cmd = "{0} {1} -o {2}xa -mt 20".format(spice_exe,
temp_stim,
OPTS.openram_temp)
valid_retcode=0
elif OPTS.spice_version == "hspice":
# TODO: Should make multithreading parameter a configuration option
cmd = "{0} -mt 2 -i {1} -o {2}timing".format(OPTS.spice_exe,
cmd = "{0} -mt 2 -i {1} -o {2}timing".format(spice_exe,
temp_stim,
OPTS.openram_temp)
valid_retcode=0
else:
cmd = "{0} -b -o {2}timing.lis {1}".format(OPTS.spice_exe,
temp_stim,
OPTS.openram_temp)
cmd = "{0} -b -o {2}timing.lis {1}".format(spice_exe,
temp_stim,
OPTS.openram_temp)
# for some reason, ngspice-25 returns 1 when it only has acceptable warnings
valid_retcode=1

92
compiler/globals.py
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@ -25,9 +25,6 @@ minor_python_version = sys.version_info.minor
if not (major_python_version == 2 and minor_python_version >= 7):
debug.error("Python 2.7 is required.",-1)
def is_exe(fpath):
return os.path.exists(fpath) and os.access(fpath, os.X_OK)
# parse the optional arguments
# this only does the optional arguments
@ -113,15 +110,23 @@ def init_openram(config_file):
import_tech()
set_spice()
def get_tool(tool_type, preferences):
"""
Find which tool we have from a list of preferences and return the full path.
"""
debug.info(2,"Finding {} tool...".format(tool_type))
global OPTS
OPTS.drc_exe = get_tool("DRC",["calibre","assura","magic"])
OPTS.lvs_exe = get_tool("LVS",["calibre","assura","netgen"])
OPTS.pex_exe = get_tool("PEX",["calibre","magic"])
#set_drc()
#set_lvs()
#set_pex()
for name in preferences:
exe_name = find_exe(name)
if exe_name!="":
debug.info(1, "Using {0}: {1}".format(tool_type,exe_name))
return(name,exe_name)
else:
debug.info(1, "Could not find {0}, trying next {1} tool.".format(name,tool_type))
else:
return(None,"")
def read_config(config_file):
@ -160,36 +165,6 @@ def read_config(config_file):
debug.error("Unable to make output directory.",-1)
def find_exe(check_exe):
""" Check if the binary exists in the path and return the full path. """
# Check if the preferred spice option exists in the path
for path in os.environ["PATH"].split(os.pathsep):
exe = os.path.join(path, check_exe)
# if it is found, then break and use first version
if is_exe(exe):
return exe
return ""
def get_tool(tool_type, preferences):
"""
Find which tool we have from a list of preferences and return the full path.
"""
debug.info(2,"Finding {} tool...".format(tool_type))
global OPTS
if not OPTS.check_lvsdrc:
debug.info(1,"LVS/DRC/PEX disabled.")
return None
else:
for name in preferences:
exe_name = find_exe(name)
if exe_name!="":
debug.info(1, "Using {0}: {1}".format(tool_type,exe_name))
return(exe_name)
else:
debug.info(1, "Could not find {0}, trying next {1} tool.".format(name,tool_type))
else:
return("")
def end_openram():
""" Clean up openram for a proper exit """
@ -245,31 +220,18 @@ def setup_paths():
os.chmod(OPTS.openram_temp, 0o750)
def is_exe(fpath):
return os.path.exists(fpath) and os.access(fpath, os.X_OK)
def set_spice():
debug.info(2,"Finding spice...")
global OPTS
if OPTS.analytical_delay:
debug.info(1,"Using analytical delay models (no characterization)")
return
else:
if OPTS.spice_version != "":
OPTS.spice_exe=find_exe(OPTS.spice_version)
if OPTS.spice_exe=="":
debug.error("{0} not found. Unable to perform characterization.".format(OPTS.spice_version),1)
else:
OPTS.spice_exe = get_tool("spice",["xa", "hspice", "ngspice", "ngspice.exe"])
# set the input dir for spice files if using ngspice
if OPTS.spice_version == "ngspice":
os.environ["NGSPICE_INPUT_DIR"] = "{0}".format(OPTS.openram_temp)
if OPTS.spice_exe == "":
debug.error("No recognizable spice version found. Unable to perform characterization.",1)
def find_exe(check_exe):
""" Check if the binary exists in the path and return the full path. """
# Check if the preferred spice option exists in the path
for path in os.environ["PATH"].split(os.pathsep):
exe = os.path.join(path, check_exe)
# if it is found, then break and use first version
if is_exe(exe):
return exe
return ""
# imports correct technology directories for testing
def import_tech():

2
compiler/openram.py
View File

@ -107,7 +107,7 @@ if OPTS.use_pex:
verify.run_pex(s.name, gdsname, spname, output=sram_file)
# Characterize the design
import lib
from characterizer import lib
libname = OPTS.output_path + s.name + ".lib"
print("LIB: Writing to {0}".format(libname))
lib.lib(libname,s,sram_file)

7
compiler/tests/21_hspice_delay_test.py
View File

@ -24,7 +24,10 @@ class timing_sram_test(unittest.TestCase):
OPTS.check_lvsdrc = False
OPTS.spice_version="hspice"
OPTS.analytical_delay = False
globals.set_spice()
# This is a hack to reload the characterizer __init__ with the spice version
import characterizer
reload(characterizer)
from characterizer import delay
import sram
@ -36,8 +39,6 @@ class timing_sram_test(unittest.TestCase):
OPTS.check_lvsdrc = True
import delay
tempspice = OPTS.openram_temp + "temp.sp"
s.sp_write(tempspice)

3
compiler/tests/21_hspice_setuphold_test.py
View File

@ -23,8 +23,7 @@ class timing_setup_test(unittest.TestCase):
# we will manually run lvs/drc
OPTS.check_lvsdrc = False
OPTS.spice_version="hspice"
globals.set_spice()
from characterizer import delay
import sram
import tech

9
compiler/tests/21_ngspice_delay_test.py
View File

@ -22,7 +22,10 @@ class timing_sram_test(unittest.TestCase):
OPTS.check_lvsdrc = False
OPTS.spice_version="ngspice"
OPTS.analytical_delay = False
globals.set_spice()
# This is a hack to reload the characterizer __init__ with the spice version
import characterizer
reload(characterizer)
from characterizer import delay
import sram
@ -32,8 +35,6 @@ class timing_sram_test(unittest.TestCase):
num_banks=OPTS.config.num_banks,
name="sram1")
import delay
tempspice = OPTS.openram_temp + "temp.sp"
s.sp_write(tempspice)
@ -84,7 +85,7 @@ class timing_sram_test(unittest.TestCase):
OPTS.check_lvsdrc = True
OPTS.spice_version="hspice"
OPTS.analytical_delay = True
globals.set_spice()
reload(characterizer)
os.remove(tempspice)

11
compiler/tests/21_ngspice_setuphold_test.py
View File

@ -23,14 +23,15 @@ class timing_setup_test(unittest.TestCase):
# we will manually run lvs/drc
OPTS.check_lvsdrc = False
OPTS.spice_version="ngspice"
globals.set_spice()
# This is a hack to reload the characterizer __init__ with the spice version
import characterizer
reload(characterizer)
from characterizer import setup_hold
import sram
import tech
slews = [tech.spice["rise_time"]*2]
import setup_hold
sh = setup_hold.setup_hold()
data = sh.analyze(slews,slews)
@ -60,7 +61,9 @@ class timing_setup_test(unittest.TestCase):
# reset these options
OPTS.check_lvsdrc = True
OPTS.spice_version="hspice"
globals.set_spice()
reload(characterizer)
globals.end_openram()
# instantiate a copdsay of the class to actually run the test

38
compiler/verify.py → compiler/verify/__init__.py
View File

@ -8,38 +8,52 @@ run_pex, repsectively. If there is an error, they should abort and report the er
If not, OpenRAM will continue as if nothing happened!
"""
import os
import debug
from globals import OPTS
from globals import OPTS,find_exe,get_tool
if OPTS.drc_exe == None:
debug.info(2,"Initializing verify...")
if not OPTS.check_lvsdrc:
debug.info(1,"LVS/DRC/PEX disabled.")
drc_exe = None
lvs_exe = None
pex_exe = None
else:
drc_exe = get_tool("DRC",["calibre","assura","magic"])
lvs_exe = get_tool("LVS",["calibre","assura","netgen"])
pex_exe = get_tool("PEX",["calibre","magic"])
if drc_exe == None:
pass
elif "calibre" in OPTS.drc_exe:
elif "calibre" in drc_exe:
from calibre import run_drc
elif "assura" in OPTS.drc_exe:
elif "assura" in drc_exe:
from assura import run_drc
elif "magic" in OPTS.drc_exe:
elif "magic" in drc_exe:
from magic import run_drc
else:
debug.warning("Did not find a supported DRC tool.")
if OPTS.lvs_exe == None:
if lvs_exe == None:
pass
elif "calibre" in OPTS.lvs_exe:
elif "calibre" in lvs_exe:
from calibre import run_lvs
elif "assura" in OPTS.lvs_exe:
elif "assura" in lvs_exe:
from assura import run_lvs
elif "netgen" in OPTS.lvs_exe:
elif "netgen" in lvs_exe:
from magic import run_lvs
else:
debug.warning("Did not find a supported LVS tool.")
if OPTS.pex_exe == None:
if pex_exe == None:
pass
elif "calibre" in OPTS.pex_exe:
elif "calibre" in pex_exe:
from calibre import run_pex
elif "magic" in OPTS.pex_exe:
elif "magic" in pex_exe:
from magic import run_pex
else:
debug.warning("Did not find a supported PEX tool.")

0
compiler/assura.py → compiler/verify/assura.py
View File

21
compiler/calibre.py → compiler/verify/calibre.py
View File

@ -100,10 +100,9 @@ def run_drc(name, gds_name):
errfile = "{0}{1}.drc.err".format(OPTS.openram_temp, name)
outfile = "{0}{1}.drc.out".format(OPTS.openram_temp, name)
cmd = "{0} -gui -drc {1}drc_runset -batch 2> {2} 1> {3}".format(OPTS.drc_exe,
OPTS.openram_temp,
errfile,
outfile)
cmd = "calibre -gui -drc {0}drc_runset -batch 2> {1} 1> {2}".format(OPTS.openram_temp,
errfile,
outfile)
debug.info(1, cmd)
os.system(cmd)
os.chdir(cwd)
@ -177,10 +176,9 @@ def run_lvs(name, gds_name, sp_name):
errfile = "{0}{1}.lvs.err".format(OPTS.openram_temp, name)
outfile = "{0}{1}.lvs.out".format(OPTS.openram_temp, name)
cmd = "{0} -gui -lvs {1}lvs_runset -batch 2> {2} 1> {3}".format(OPTS.lvs_exe,
OPTS.openram_temp,
errfile,
outfile)
cmd = "calibre -gui -lvs {0}lvs_runset -batch 2> {1} 1> {2}".format(OPTS.openram_temp,
errfile,
outfile)
debug.info(1, cmd)
os.system(cmd)
os.chdir(cwd)
@ -287,10 +285,9 @@ def run_pex(name, gds_name, sp_name, output=None):
errfile = "{0}{1}.pex.err".format(OPTS.openram_temp, name)
outfile = "{0}{1}.pex.out".format(OPTS.openram_temp, name)
cmd = "{0} -gui -pex {1}pex_runset -batch 2> {2} 1> {3}".format(OPTS.pex_exe,
OPTS.openram_temp,
errfile,
outfile)
cmd = "calibre -gui -pex {0}pex_runset -batch 2> {1} 1> {2}".format(OPTS.openram_temp,
errfile,
outfile)
debug.info(2, cmd)
os.system(cmd)
os.chdir(cwd)

0
compiler/magic.py → compiler/verify/magic.py
View File