def quadrants():
mod = codegen.Module()
cst = codegen.Constraints()
ibuf(mod, cst, true_pins[2], clk="myclk")
pnr = tiled_fuzzer.run_pnr(mod, cst, {})
modules = []
constrs = []
idxes = []
for i in range(2, db.cols):
for j in [2, db.rows - 3]: # avoid bram
if "DFF0" not in db.grid[j - 1][i - 1].bels:
print(i, j)
continue
mod = codegen.Module()
cst = codegen.Constraints()
ibuf(mod, cst, true_pins[0], clk="myclk")
dff(mod, cst, j, i, clk="myclk")
modules.append(mod)
constrs.append(cst)
idxes.append((j, i))
for i in [2, db.cols - 2]:
for j in range(2, db.rows):
if "DFF0" not in db.grid[j - 1][i - 1].bels:
print(i, j)
continue
mod = codegen.Module()
cst = codegen.Constraints()
ibuf(mod, cst, true_pins[0], clk="myclk")
dff(mod, cst, j, i, clk="myclk")
modules.append(mod)
constrs.append(cst)
idxes.append((j, i))
pnr_res = pool.map(lambda param: tiled_fuzzer.run_pnr(*param, {}),
zip(modules, constrs))
res = {}
for (row, col), (mybs, *_) in zip(idxes, pnr_res):
sweep_tiles = fuse_h4x.tile_bitmap(fse, mybs ^ pnr.bitmap)
# find which tap was used
taps = [
r for (r, c, typ), t in sweep_tiles.items()
if typ in {13, 14, 15, 16, 18, 19}
]
# find which center tile was used
t8x = [(r, c) for (r, c, typ), t in sweep_tiles.items()
if typ >= 80 and typ < 90]
rows, cols, _ = res.setdefault(t8x[0], (set(), set(), taps[0]))
rows.add(row - 1)
cols.add(col - 1)
return res
type_re = re.compile(r"inst\d+_([A-Z]+)_([A-Z]+)")
empty, hdr, ftr, posp, config = run_pnr(codegen.Module(),
codegen.Constraints(), {})
db.cmd_hdr = hdr
db.cmd_ftr = ftr
db.template = empty
p = Pool()
pnr_res = p.map(lambda param: run_pnr(*param),
zip(modules, constrs, configs))
for bitmap, hdr, ftr, posp, config in pnr_res:
seen = {}
diff = bitmap ^ empty
bm = fuse_h4x.tile_bitmap(fse, diff)
for cst_type, name, *info in posp:
bel_type, cell_type = type_re.match(name).groups()
if cst_type == "cst":
row, col, cls, lut = info
print(name, row, col, cls, lut)
row = row - 1
col = col - 1
elif cst_type == "place":
side, num, pin = info
if side == 'T':
row = 0
col = num - 1
elif side == 'B':
row = len(fse['header']['grid'][61]) - 1
col = num - 1