prjxray/experiments/ffprim/generate.py

114 lines
3.4 KiB
Python

#!/usr/bin/env python3
from prims import *
import sys, re
sys.path.append("../../../utils/")
from segmaker import segmaker
segmk = segmaker("design.bits")
def ones(l):
#return l + [x + '_1' for x in l]
#return sorted(l + [x + '_1' for x in l])
ret = []
for x in l:
ret.append(x)
ret.append(x + '_1')
return ret
print("Loading tags from design.txt")
with open("design.txt", "r") as f:
for line in f:
'''
puts $fp "$type $tile $grid_x $grid_y $ff $bel_type $used $usedstr"
CLBLM_L CLBLM_L_X10Y137 30 13 SLICE_X13Y137/AFF REG_INIT 1 FDRE
CLBLM_L CLBLM_L_X10Y137 30 13 SLICE_X12Y137/D5FF FF_INIT 0
'''
line = line.split()
tile_type = line[0]
tile_name = line[1]
grid_x = line[2]
grid_y = line[3]
# Other code uses BEL name
site_ff_name = line[4]
site, ff_name = site_ff_name.split('/')
ff_type = line[5]
used = int(line[6])
cel_prim = None
cel_name = None
if used:
cel_name = line[7]
# ex: FDCE
cel_prim = line[8]
# 1'b1
# cinv = int(line[9][-1])
cinv = int(line[9])
which = ff_name[0]
# Reduced test for now
#if ff_name != 'AFF':
# continue
is5 = '5' in ff_name
#segmk.addtag(site, "FF_USED", used)
if 1:
# If unused mark all primitives as not present
# Otherwise mark the primitive we are using
if used:
segmk.addtag(site, "%s.%s" % (ff_name, cel_prim), 1)
else:
for ffprim in ffprims:
# FF's don't do 5's
if isff(ffprim) or (isl(ffprim) and not is5):
segmk.addtag(site, "%s.%s" % (ff_name, ffprim), 0)
# Theory:
# FDPE represents none of the FF specific bits used
# FDRE has all of the bits used
if 0:
# If unused mark all primitives as not present
# Otherwise mark the primitive we are using
# Should yield 3 bits
if used:
if cel_prim == 'FDPE':
segmk.addtag(site, "%s.PRIM" % ff_name, 0)
if cel_prim == 'FDRE':
segmk.addtag(site, "%s.PRIM" % ff_name, 1)
# FF specific test
# Theory: FDSE and FDCE are the most and least encoded FF's
if 1:
# If unused mark all primitives as not present
# Otherwise mark the primitive we are using
# Should yield 3 bits
if used and isff(cel_prim):
# PRIM1 is now FFSYNC
#segmk.addtag(site, "%s.PRIM1" % ff_name,
# cel_prim in ('FDSE', 'FDRE'))
segmk.addtag(site, "%s.PRIM2" % ff_name,
cel_prim in ('FDCE', 'FDRE'))
# Theory: there are some common enable bits
'''
00_48 30_32 30_12 31_03
FDPE
FDSE X
FDRE X X X
FDCE X X
LDCE X X X
LDPE X
00_48 is shared between all X0 FFs
'''
if 1 and used:
segmk.addtag(site, "FFSYNC",
cel_prim in ('FDSE', 'FDRE'))
segmk.compile()
segmk.write()