def _get(self):
if not self._getMode:
return
buf = to_str(os.read(self._rt, _MAXLINE))
if not buf:
raise CosimulationError(_error.SimulationEnd)
e = buf.split()
for i in range(1, len(e), 2):
s, v = self._toSigDict[e[i]], e[i+1]
if v in 'zZ':
next = None
elif v in 'xX':
next = s._init
else:
try:
next = int(v, 16)
if s._nrbits and s._min is not None and s._min < 0:
if next >= (1 << (s._nrbits-1)):
next |= (-1 << s._nrbits)
except ValueError:
next = intbv(0)
s.next = next
self._getMode = 0
def _get(self):
if not self._getMode:
return
buf = to_str(os.read(self._rt, _MAXLINE))
if not buf:
raise CosimulationError(_error.SimulationEnd)
e = buf.split()
for i in range(1, len(e), 2):
s, v = self._toSigDict[e[i]], e[i + 1]
if v in 'zZ':
next = None
elif v in 'xX':
next = s._init
else:
try:
next = int(v, 16)
if s._nrbits and s._min is not None and s._min < 0:
if next >= (1 << (s._nrbits - 1)):
next |= (-1 << s._nrbits)
except ValueError:
next = intbv(0)
s.next = next
self._getMode = 0
def __init__(self, exe="", **kwargs):
""" Construct a cosimulation object. """
if _simulator._cosim:
raise CosimulationError(_error.MultipleCosim)
_simulator._cosim = 1
rt, wt = os.pipe()
rf, wf = os.pipe()
# Disable inheritance for ends that we don't want the child to have
set_inheritable(rt, False)
set_inheritable(wf, False)
# Enable inheritance for child ends
set_inheritable(wt, True)
set_inheritable(rf, True)
self._rt = rt
self._wf = wf
self._fromSignames = fromSignames = []
self._fromSizes = fromSizes = []
self._fromSigs = fromSigs = []
self._toSignames = toSignames = []
self._toSizes = toSizes = []
self._toSigs = toSigs = []
self._toSigDict = toSigDict = {}
self._hasChange = 0
self._getMode = 1
env = os.environ.copy()
# In Windows the FDs aren't inheritable when using Popen,
# only the HANDLEs are
if sys.platform != "win32":
env['MYHDL_TO_PIPE'] = str(wt)
env['MYHDL_FROM_PIPE'] = str(rf)
else:
import msvcrt
env['MYHDL_TO_PIPE'] = str(msvcrt.get_osfhandle(wt))
env['MYHDL_FROM_PIPE'] = str(msvcrt.get_osfhandle(rf))
if isinstance(exe, string_types):
exe = shlex.split(exe)
try:
sp = subprocess.Popen(exe, env=env, close_fds=False)
except OSError as e:
raise CosimulationError(_error.OSError, str(e))
self._child = sp
os.close(wt)
os.close(rf)
while 1:
s = to_str(os.read(rt, _MAXLINE))
if not s:
raise CosimulationError(_error.SimulationEnd)
e = s.split()
if e[0] == "FROM":
if int(e[1]) != 0:
raise CosimulationError(_error.TimeZero, "$from_myhdl")
for i in range(2, len(e)-1, 2):
n = e[i]
if n in fromSignames:
raise CosimulationError(_error.DuplicateSigNames, n)
if not n in kwargs:
raise CosimulationError(_error.SigNotFound, n)
fromSignames.append(n)
fromSigs.append(kwargs[n])
fromSizes.append(int(e[i+1]))
os.write(wf, b"OK")
elif e[0] == "TO":
if int(e[1]) != 0:
raise CosimulationError(_error.TimeZero, "$to_myhdl")
for i in range(2, len(e)-1, 2):
n = e[i]
if n in toSignames:
raise CosimulationError(_error.DuplicateSigNames, n)
if not n in kwargs:
raise CosimulationError(_error.SigNotFound, n)
toSignames.append(n)
toSigs.append(kwargs[n])
toSigDict[n] = kwargs[n]
toSizes.append(int(e[i+1]))
os.write(wf, b"OK")
elif e[0] == "START":
if not toSignames:
raise CosimulationError(_error.NoCommunication)
os.write(wf, b"OK")
break
else:
raise CosimulationError("Unexpected cosim input")
def __init__(self, exe="", **kwargs):
""" Construct a cosimulation object. """
if _simulator._cosim:
raise CosimulationError(_error.MultipleCosim)
_simulator._cosim = 1
rt, wt = os.pipe()
rf, wf = os.pipe()
# Disable inheritance for ends that we don't want the child to have
set_inheritable(rt, False)
set_inheritable(wf, False)
# Enable inheritance for child ends
set_inheritable(wt, True)
set_inheritable(rf, True)
self._rt = rt
self._wf = wf
self._fromSignames = fromSignames = []
self._fromSizes = fromSizes = []
self._fromSigs = fromSigs = []
self._toSignames = toSignames = []
self._toSizes = toSizes = []
self._toSigs = toSigs = []
self._toSigDict = toSigDict = {}
self._hasChange = 0
self._getMode = 1
env = os.environ.copy()
# In Windows the FDs aren't inheritable when using Popen,
# only the HANDLEs are
if sys.platform != "win32":
env['MYHDL_TO_PIPE'] = str(wt)
env['MYHDL_FROM_PIPE'] = str(rf)
else:
import msvcrt
env['MYHDL_TO_PIPE'] = str(msvcrt.get_osfhandle(wt))
env['MYHDL_FROM_PIPE'] = str(msvcrt.get_osfhandle(rf))
if isinstance(exe, string_types):
# exe = shlex.split(exe)
exe = exe.split(' ')
try:
sp = subprocess.Popen(exe, env=env, close_fds=False)
except OSError as e:
raise CosimulationError(_error.OSError, str(e))
self._child = sp
os.close(wt)
os.close(rf)
while 1:
s = to_str(os.read(rt, _MAXLINE))
if not s:
raise CosimulationError(_error.SimulationEnd)
e = s.split()
if e[0] == "FROM":
if int(e[1]) != 0:
raise CosimulationError(_error.TimeZero, "$from_myhdl")
for i in range(2, len(e) - 1, 2):
n = e[i]
if n in fromSignames:
raise CosimulationError(_error.DuplicateSigNames, n)
if not n in kwargs:
raise CosimulationError(_error.SigNotFound, n)
fromSignames.append(n)
fromSigs.append(kwargs[n])
fromSizes.append(int(e[i + 1]))
os.write(wf, b"OK")
elif e[0] == "TO":
if int(e[1]) != 0:
raise CosimulationError(_error.TimeZero, "$to_myhdl")
for i in range(2, len(e) - 1, 2):
n = e[i]
if n in toSignames:
raise CosimulationError(_error.DuplicateSigNames, n)
if not n in kwargs:
raise CosimulationError(_error.SigNotFound, n)
toSignames.append(n)
toSigs.append(kwargs[n])
toSigDict[n] = kwargs[n]
toSizes.append(int(e[i + 1]))
os.write(wf, b"OK")
elif e[0] == "START":
if not toSignames:
raise CosimulationError(_error.NoCommunication)
os.write(wf, b"OK")
break
else:
raise CosimulationError("Unexpected cosim input")
def __init__(self, exe="", **kwargs):
""" Construct a cosimulation object. """
if _simulator._cosim:
raise CosimulationError(_error.MultipleCosim)
_simulator._cosim = 1
self._rt, self._wt = rt, wt = os.pipe()
self._rf, self._wf = rf, wf = os.pipe()
# New pipes are not inheritable by default since py 3.4
if not PY2:
for p in rt, wt, rf, wf:
os.set_inheritable(p, True)
self._fromSignames = fromSignames = []
self._fromSizes = fromSizes = []
self._fromSigs = fromSigs = []
self._toSignames = toSignames = []
self._toSizes = toSizes = []
self._toSigs = toSigs = []
self._toSigDict = toSigDict = {}
self._hasChange = 0
self._getMode = 1
child_pid = self._child_pid = os.fork()
if child_pid == 0:
os.close(rt)
os.close(wf)
os.environ['MYHDL_TO_PIPE'] = str(wt)
os.environ['MYHDL_FROM_PIPE'] = str(rf)
if isinstance(exe, list): arglist = exe
else: arglist = exe.split()
p = arglist[0]
arglist[0] = os.path.basename(p)
try:
os.execvp(p, arglist)
except OSError as e:
raise CosimulationError(_error.OSError, str(e))
else:
os.close(wt)
os.close(rf)
while 1:
s = to_str(os.read(rt, _MAXLINE))
if not s:
raise CosimulationError(_error.SimulationEnd)
e = s.split()
if e[0] == "FROM":
if int(e[1]) != 0:
raise CosimulationError(_error.TimeZero, "$from_myhdl")
for i in range(2, len(e)-1, 2):
n = e[i]
if n in fromSignames:
raise CosimulationError(_error.DuplicateSigNames, n)
if not n in kwargs:
raise CosimulationError(_error.SigNotFound, n)
fromSignames.append(n)
fromSigs.append(kwargs[n])
fromSizes.append(int(e[i+1]))
os.write(wf, b"OK")
elif e[0] == "TO":
if int(e[1]) != 0:
raise CosimulationError(_error.TimeZero, "$to_myhdl")
for i in range(2, len(e)-1, 2):
n = e[i]
if n in toSignames:
raise CosimulationError(_error.DuplicateSigNames, n)
if not n in kwargs:
raise CosimulationError(_error.SigNotFound, n)
toSignames.append(n)
toSigs.append(kwargs[n])
toSigDict[n] = kwargs[n]
toSizes.append(int(e[i+1]))
os.write(wf, b"OK")
elif e[0] == "START":
if not toSignames:
raise CosimulationError(_error.NoCommunication)
os.write(wf, b"OK")
break
else:
raise CosimulationError("Unexpected cosim input")
def __init__(self, exe="", **kwargs):
""" Construct a cosimulation object. """
if _simulator._cosim:
raise CosimulationError(_error.MultipleCosim)
_simulator._cosim = 1
self._rt, self._wt = rt, wt = os.pipe()
self._rf, self._wf = rf, wf = os.pipe()
# New pipes are not inheritable by default since py 3.4
if not PY2:
for p in rt, wt, rf, wf:
os.set_inheritable(p, True)
self._fromSignames = fromSignames = []
self._fromSizes = fromSizes = []
self._fromSigs = fromSigs = []
self._toSignames = toSignames = []
self._toSizes = toSizes = []
self._toSigs = toSigs = []
self._toSigDict = toSigDict = {}
self._hasChange = 0
self._getMode = 1
def close_rt_wf():
os.close(rt)
os.close(wf)
env = os.environ.copy()
env['MYHDL_TO_PIPE'] = str(wt)
env['MYHDL_FROM_PIPE'] = str(rf)
if isinstance(exe, string_types):
exe = shlex.split(exe)
try:
sp = subprocess.Popen(exe, env=env, close_fds=False,
preexec_fn=close_rt_wf)
except OSError as e:
raise CosimulationError(_error.OSError, str(e))
self._child = sp
os.close(wt)
os.close(rf)
while 1:
s = to_str(os.read(rt, _MAXLINE))
if not s:
raise CosimulationError(_error.SimulationEnd)
e = s.split()
if e[0] == "FROM":
if int(e[1]) != 0:
raise CosimulationError(_error.TimeZero, "$from_myhdl")
for i in range(2, len(e)-1, 2):
n = e[i]
if n in fromSignames:
raise CosimulationError(_error.DuplicateSigNames, n)
if not n in kwargs:
raise CosimulationError(_error.SigNotFound, n)
fromSignames.append(n)
fromSigs.append(kwargs[n])
fromSizes.append(int(e[i+1]))
os.write(wf, b"OK")
elif e[0] == "TO":
if int(e[1]) != 0:
raise CosimulationError(_error.TimeZero, "$to_myhdl")
for i in range(2, len(e)-1, 2):
n = e[i]
if n in toSignames:
raise CosimulationError(_error.DuplicateSigNames, n)
if not n in kwargs:
raise CosimulationError(_error.SigNotFound, n)
toSignames.append(n)
toSigs.append(kwargs[n])
toSigDict[n] = kwargs[n]
toSizes.append(int(e[i+1]))
os.write(wf, b"OK")
elif e[0] == "START":
if not toSignames:
raise CosimulationError(_error.NoCommunication)
os.write(wf, b"OK")
break
else:
raise CosimulationError("Unexpected cosim input")
def __init__(self, exe="", **kwargs):
""" Construct a cosimulation object. """
if _simulator._cosim:
raise CosimulationError(_error.MultipleCosim)
_simulator._cosim = 1
self._rt, self._wt = rt, wt = os.pipe()
self._rf, self._wf = rf, wf = os.pipe()
# New pipes are not inheritable by default since py 3.4
if not PY2:
for p in rt, wt, rf, wf:
os.set_inheritable(p, True)
self._fromSignames = fromSignames = []
self._fromSizes = fromSizes = []
self._fromSigs = fromSigs = []
self._toSignames = toSignames = []
self._toSizes = toSizes = []
self._toSigs = toSigs = []
self._toSigDict = toSigDict = {}
self._hasChange = 0
self._getMode = 1
child_pid = self._child_pid = os.fork()
if child_pid == 0:
os.close(rt)
os.close(wf)
os.environ['MYHDL_TO_PIPE'] = str(wt)
os.environ['MYHDL_FROM_PIPE'] = str(rf)
if isinstance(exe, list): arglist = exe
else: arglist = exe.split()
p = arglist[0]
arglist[0] = os.path.basename(p)
try:
os.execvp(p, arglist)
except OSError as e:
raise CosimulationError(_error.OSError, str(e))
else:
os.close(wt)
os.close(rf)
while 1:
s = to_str(os.read(rt, _MAXLINE))
if not s:
raise CosimulationError(_error.SimulationEnd)
e = s.split()
if e[0] == "FROM":
if int(e[1]) != 0:
raise CosimulationError(_error.TimeZero, "$from_myhdl")
for i in range(2, len(e) - 1, 2):
n = e[i]
if n in fromSignames:
raise CosimulationError(_error.DuplicateSigNames,
n)
if not n in kwargs:
raise CosimulationError(_error.SigNotFound, n)
fromSignames.append(n)
fromSigs.append(kwargs[n])
fromSizes.append(int(e[i + 1]))
os.write(wf, b"OK")
elif e[0] == "TO":
if int(e[1]) != 0:
raise CosimulationError(_error.TimeZero, "$to_myhdl")
for i in range(2, len(e) - 1, 2):
n = e[i]
if n in toSignames:
raise CosimulationError(_error.DuplicateSigNames,
n)
if not n in kwargs:
raise CosimulationError(_error.SigNotFound, n)
toSignames.append(n)
toSigs.append(kwargs[n])
toSigDict[n] = kwargs[n]
toSizes.append(int(e[i + 1]))
os.write(wf, b"OK")
elif e[0] == "START":
if not toSignames:
raise CosimulationError(_error.NoCommunication)
os.write(wf, b"OK")
break
else:
raise CosimulationError("Unexpected cosim input")