def read_cts_icc( filename , TOP=None ):
global debug
print( "Info : read_cts_icc '%s'" % filename )
F = open(filename,'r')
if TOP == None :
CTS = CTSNode( filename, None, level=-2 )
else :
CTS = CTSNode( filename, TOP )
clk = ''
for line in F :
## clock declaration
m = re.match('Printing structure within exceptions of (\w+) at root pin ',line)
if m :
clk = m.group(1)
CLK = CTSNode( clk, CTS )
hier = list()
hier.append(CLK)
continue
if clk == '' : continue
## tool warnings
if re.match('.* reconvergent clock path found',line) :
print("Warning : " + clk + line)
continue
## line matches tree structure
m = re.match(' *\((\d+)\) (.*?)( |\[\w+:)',line)
if not m : continue
level = m.group(1)
inst = m.group(2)
## test FF
if re.search('SINK PIN|MACRO',line) :
is_ff = True
else :
is_ff = False
## test level + hier
level = int(level)
if level+1 < len(hier) : # step up in hier
hier = hier[0:level+1] # level included
UP = hier[-1]
CURRENT = CTSNode( line.rstrip() , UP , is_ff=is_ff )
hier.append(CURRENT)
if debug :
print "\nUP = %s\nCURRENT = %s" % (UP,CURRENT)
F.close()
CTS.statistics()
return CTS
def read_cts_ccopt( filename , TOP=None ):
global debug
print( "Info : read_cts_ccopt '%s'" % filename )
F = open(filename,'r')
if TOP == None :
CTS = CTSNode( filename, None, level=-2 )
else :
CTS = CTSNode( filename, TOP )
clk = None
for line in F :
line = line.rstrip()
## clock declaration
m = re.match('Dump of clock tree (\S+)',line)
if m :
clk = m.group(1)
CLK = CTSNode( clk, CTS )
hier = list()
hier.append(CLK)
continue
if line == '' : continue
# ## tool warnings
# if re.match('.* reconvergent clock path found',line) :
# print("Warning : " + clk + line)
# continue
## line matches tree structure
m = re.match('R\(\S+\):',line)
is_ff = False
if m :
level = 0
else :
m = re.match('([ \|]*._ )(\S+[:=])',line) # how to grab '\' (backslash) ?
if (not m) : continue
indent = m.group(1)
level = indent_to_level( indent )
if (m.group(2) == 'Pin=') :
is_ff = True
## test level + hier
if level+1 < len(hier) : # step up in hier
hier = hier[0:level+1] # level included
UP = hier[-1]
CURRENT = CTSNode( line , UP , is_ff=is_ff )
hier.append(CURRENT)
if debug :
print "\nUP = %s\nCURRENT = %s" % (UP,CURRENT)
F.close()
CTS.statistics()
return CTS
def read_cts_at91cts( filename , TOP=None ):
global debug
print( "Info : read_cts_at91cts '%s'" % filename )
F = open(filename,'r')
if TOP == None :
CTS = CTSNode( filename, None, level=-2 )
else :
CTS = CTSNode( filename, TOP )
clk = None
prev = None
for line in F :
line = line.rstrip()
## clock declaration
m = re.match('-I- ( *)\*DEPTH (0): (.*?) ',line)
if m :
clk = m.group(3)
CLK = CTSNode( clk, CTS )
hier = list()
hier.append(CLK)
if line == '' : clk = None
if clk == None : continue
# ## tool warnings
# if re.match('.* reconvergent clock path found',line) :
# print("Warning : " + clk + line)
# continue
## line matches tree structure
m1 = re.match('-I- ( *)\*DEPTH (\d+):',line)
m2 = re.match('-I- ( *)\((\w+)\)\S+/(\w+)',line) # (2) = (Leaf|Sync|Excl|Gating|Preserve|Data)
if (not m1) and (not m2) : continue
is_ff = False
if m1 :
(indent,level) = m1.group(1,2)
check_indent_vs_level( indent , level )
if prev != None :
line += prev
if m2 :
indent = m2.group(1)
level = indent_to_level( indent )
## test level + hier
if level+1 < len(hier) : # step up in hier
hier = hier[0:level+1] # level included
## Gating pins : don't print now , append to next line
if m2.group(2) in ('Gating','gating','Preserve','preserve','Through','through') :
prev = ' (%s %s)' % m2.group(2,3)
continue
else :
prev = None
## FF pins
if m2.group(2) in ('Sync','sync','Leaf','leaf') :
is_ff = True
UP = hier[-1]
CURRENT = CTSNode( line , UP , is_ff=is_ff )
if m1 :
hier.append(CURRENT)
if debug :
print "\nUP = %s\nCURRENT = %s" % (UP,CURRENT)
F.close()
CTS.statistics()
return CTS
