def init_globals(grid_width=8, grid_height=8, DBG=0):
if USE_CGRA_INFO:
sys.path.append("../decoder")
global cgra_info
from lib import cgra_info
# cgra_info.read_cgra_info()
try:
cgra_info.ntiles()
except:
print "Loading cgra_info..\n"
cgra_info.read_cgra_info()
# Declare these
# E.g. if third tile placed is 0x0101 then order[0x0101] = 2 (right?)
global order
order = {}
# Set these
global GRID_WIDTH
global GRID_HEIGHT
# Derive these
global NTILES
global tiles
GRID_WIDTH = grid_width
GRID_HEIGHT = grid_height
NTILES = GRID_HEIGHT * GRID_WIDTH
# print(661, GRID_WIDTH, GRID_HEIGHT)
if USE_CGRA_INFO:
# FIXME should also use cgra_info to set width, height
NTILES = cgra_info.ntiles()
(GRID_WIDTH, GRID_HEIGHT) = cgra_info.grid_dimensions()
print "# Grid is maybe %dx%d" % (GRID_WIDTH, GRID_HEIGHT)
# print(662, GRID_WIDTH, GRID_HEIGHT)
tiles = range(NTILES)
if DBG:
print "# tiles:"
print '#', tiles, '\n'
def init_globals(grid_width=8, grid_height=8, DBG=0):
if USE_CGRA_INFO:
sys.path.append("../decoder")
global cgra_info
from lib import cgra_info
# cgra_info.read_cgra_info()
try:
cgra_info.ntiles()
except:
print "Loading cgra_info..\n"
cgra_info.read_cgra_info()
# Set these
global GRID_WIDTH
global GRID_HEIGHT
# Derive these
global NTILES
global tiles
global order
GRID_WIDTH = grid_width
GRID_HEIGHT = grid_height
NTILES = GRID_HEIGHT * GRID_WIDTH
if USE_CGRA_INFO:
# FIXME should also use cgra_info to set width, height
NTILES = cgra_info.ntiles()
tiles = range(NTILES)
if DBG:
print "# tiles:"
print '#', tiles, '\n'
order = 64 * [-1]
if DBG:
print "# order:"
print '#', order, '\n'
def process_args():
DBG = 0
bitstream_filename = False
# Get name of this script
scriptname = sys.argv[0]
scriptname_tail = scriptname
parse = re.search('([/].*$)', scriptname)
parse = re.search('([^/]+$)', scriptname)
if (parse): scriptname_tail = parse.group(1)
args = sys.argv[1:] # shift
usage = '''
Decodes/annotates the indicated bitstream file, output to stdout
Usage:
%s [ -v ] -cgra [cgra_info_file] < [bsb-file]
%s [ -v ] -cgra [cgra_info_file] [bsb-file]
%s [ -v ] < [bsb-file]
%s [ -v ] [bsb-file]
%s --help
''' % (scriptname_tail, scriptname_tail, scriptname_tail, scriptname_tail,
scriptname_tail)
# Load cgra_info
cgra_filename = cgra_info.get_default_cgra_info_filename()
# if (len(args) < 1): print usage; sys.exit(-1);
global VERBOSE
# cgra_filename = get_default_cgra_info_filename()
while (len(args) > 0):
if (args[0] == '--help'):
print usage
sys.exit(0)
elif (args[0] == '-v'):
VERBOSE = True
elif (args[0] == '-q'):
VERBOSE = False
elif (args[0] == '-cgra' or args[0] == '-cgra_info'):
cgra_filename = args[1]
args = args[1:]
else:
bitstream_filename = args[0]
args = args[1:]
cgra_info.read_cgra_info(cgra_filename, verbose=VERBOSE)
global input_lines
if bitstream_filename:
input_stream = open(bitstream_filename)
for line in input_stream:
input_lines.append(line)
input_stream.close()
else:
for line in sys.stdin:
input_lines.append(line)
# Read the input, store to 'input_lines' tuple
input_lines = preprocess(input_lines)
if DBG > 1:
for i in input_lines:
print i
# global verbose # this causes problems/errors
# if (args[0] == '-nodefaults'): sbdefaults = False
if (args[0] == '-v'): verbose = True
elif (args[0] == '-4x4'): print 'WARNING switch "-4x4" not used'
elif (args[0] == '-8x8'): print 'WARNING switch "-8x8" not used'
elif (args[0] == '-cgra' or args[0] == '-cgra_info'):
cgra_filename = args[1]
args = args[1:];
else:
bitstream_filename = args[0];
args = args[1:]
# read_cgra_info() does this...
# if verbose: print("Using uh cgra_info file %s" % cgra_filename)
# if verbose: print("and verbose is '%s'" % str(verbose))
cgra_info.read_cgra_info(cgra_filename, verbose=verbose)
# # TBD this (below) could be a separate "print_intro()" function like
# if (verbose):
# print "# ";
# print "# -----------------------------------------------------------------------------"
# print "# Assume 4x4 grid of tiles, all with 2-input PEs\n"+\
# "# \n"+\
# "# tileno r,c \n"+\
# "# 0 1 2 3 (0,0) (0,1) (0,2) (0,3)\n"+\
# "# 4 5 6 7 (1,0) (1,1) (1,2) (1,3)\n"+\
# "# 8 9 10 11 (2,0) (2,1) (2,2) (2,3)\n"+\
# "# 12 13 14 15 (3,0) (3,1) (3,2) (3,3)\n"+\
# "# ";
# print "# Note: 's1t3' means 'side 1 track 3' (sides [0123] map to [ESWN] respectively)"
# print "# -----------------------------------------------------------------------------"