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-rwxr-xr-xecp5/trellis_import.py28
1 files changed, 28 insertions, 0 deletions
diff --git a/ecp5/trellis_import.py b/ecp5/trellis_import.py
index 188c6909..2ff0d0e7 100755
--- a/ecp5/trellis_import.py
+++ b/ecp5/trellis_import.py
@@ -10,12 +10,36 @@ from os import path
location_types = dict()
type_at_location = dict()
tiletype_names = dict()
+gfx_wire_ids = dict()
+gfx_wire_names = list()
parser = argparse.ArgumentParser(description="import ECP5 routing and bels from Project Trellis")
parser.add_argument("device", type=str, help="target device")
parser.add_argument("-p", "--constids", type=str, help="path to constids.inc")
+parser.add_argument("-g", "--gfxh", type=str, help="path to gfx.h")
args = parser.parse_args()
+with open(args.gfxh) as f:
+ state = 0
+ for line in f:
+ if state == 0 and line.startswith("enum GfxTileWireId"):
+ state = 1
+ elif state == 1 and line.startswith("};"):
+ state = 0
+ elif state == 1 and (line.startswith("{") or line.strip() == ""):
+ pass
+ elif state == 1:
+ idx = len(gfx_wire_ids)
+ name = line.strip().rstrip(",")
+ gfx_wire_ids[name] = idx
+ gfx_wire_names.append(name)
+
+def gfx_wire_alias(old, new):
+ assert old in gfx_wire_ids
+ assert new not in gfx_wire_ids
+ gfx_wire_ids[new] = gfx_wire_ids[old]
+
+
def wire_type(name):
longname = name
name = name.split('/')
@@ -358,6 +382,10 @@ def write_database(dev_name, chip, ddrg, endianness):
wire = loctype.wires[wire_idx]
bba.s(ddrg.to_str(wire.name), "name")
bba.u32(constids[wire_type(ddrg.to_str(wire.name))], "type")
+ if ("TILE_WIRE_" + ddrg.to_str(wire.name)) in gfx_wire_ids:
+ bba.u32(gfx_wire_ids["TILE_WIRE_" + ddrg.to_str(wire.name)], "tile_wire")
+ else:
+ bba.u32(0, "tile_wire")
bba.u32(len(wire.arcsUphill), "num_uphill")
bba.u32(len(wire.arcsDownhill), "num_downhill")
bba.r("loc%d_wire%d_uppips" % (idx, wire_idx) if len(wire.arcsUphill) > 0 else None, "pips_uphill")