ecp5: Starting to add BBA to importer

Signed-off-by: David Shah <davey1576@gmail.com>
This commit is contained in:
David Shah 2018-07-07 17:37:33 +02:00
parent 12b0f7f162
commit ee45f57909
2 changed files with 313 additions and 1 deletions

View File

@ -69,7 +69,6 @@ NPNR_PACKED_STRUCT(struct PipInfoPOD {
LocationPOD rel_src_loc, rel_dst_loc; LocationPOD rel_src_loc, rel_dst_loc;
int32_t src_idx, dst_idx; int32_t src_idx, dst_idx;
int32_t delay; int32_t delay;
LocationPOD rel_tile_loc;
int16_t tile_type; int16_t tile_type;
int8_t pip_type; int8_t pip_type;
int8_t padding_0; int8_t padding_0;

View File

@ -197,6 +197,319 @@ def import_location(rg, x, y):
type_at_location[x, y] = idx type_at_location[x, y] = idx
class BinaryBlobAssembler:
def __init__(self, cname, endianness, nodebug=False):
assert endianness in ["le", "be"]
self.cname = cname
self.endianness = endianness
self.finalized = False
self.data = bytearray()
self.comments = dict()
self.labels = dict()
self.exports = set()
self.labels_byaddr = dict()
self.ltypes_byaddr = dict()
self.strings = dict()
self.refs = dict()
self.nodebug = nodebug
def l(self, name, ltype=None, export=False):
assert not self.finalized
assert name not in self.labels
assert len(self.data) not in self.labels_byaddr
self.labels[name] = len(self.data)
if ltype is not None:
self.ltypes_byaddr[len(self.data)] = ltype
self.labels_byaddr[len(self.data)] = name
if export:
assert ltype is not None
self.exports.add(len(self.data))
def r(self, name, comment):
assert not self.finalized
assert len(self.data) % 4 == 0
assert len(self.data) not in self.refs
if self.nodebug:
comment = None
if name is not None:
self.refs[len(self.data)] = (name, comment)
self.data.append(0)
self.data.append(0)
self.data.append(0)
self.data.append(0)
if (name is None) and (comment is not None):
self.comments[len(self.data)] = comment + " (null reference)"
def s(self, s, comment):
assert not self.finalized
if self.nodebug:
comment = None
if s not in self.strings:
index = len(self.strings)
self.strings[s] = index
else:
index = self.strings[s]
if comment is not None:
self.r("str%d" % index, '%s: "%s"' % (comment, s))
else:
self.r("str%d" % index, None)
def u8(self, v, comment):
assert not self.finalized
if self.nodebug:
comment = None
self.data.append(v)
if comment is not None:
self.comments[len(self.data)] = comment
def u16(self, v, comment):
assert not self.finalized
assert len(self.data) % 2 == 0
if self.nodebug:
comment = None
if self.endianness == "le":
self.data.append(v & 255)
self.data.append((v >> 8) & 255)
elif self.endianness == "be":
self.data.append((v >> 8) & 255)
self.data.append(v & 255)
else:
assert 0
if comment is not None:
self.comments[len(self.data)] = comment
def s16(self, v, comment):
assert not self.finalized
assert len(self.data) % 2 == 0
if self.nodebug:
comment = None
c2val = (~v + 1) if v < 0 else v
if self.endianness == "le":
self.data.append(c2val & 255)
self.data.append((c2val >> 8) & 255)
elif self.endianness == "be":
self.data.append((c2val >> 8) & 255)
self.data.append(c2val & 255)
else:
assert 0
if comment is not None:
self.comments[len(self.data)] = comment
def u32(self, v, comment):
assert not self.finalized
assert len(self.data) % 4 == 0
if self.nodebug:
comment = None
if self.endianness == "le":
self.data.append(v & 255)
self.data.append((v >> 8) & 255)
self.data.append((v >> 16) & 255)
self.data.append((v >> 24) & 255)
elif self.endianness == "be":
self.data.append((v >> 24) & 255)
self.data.append((v >> 16) & 255)
self.data.append((v >> 8) & 255)
self.data.append(v & 255)
else:
assert 0
if comment is not None:
self.comments[len(self.data)] = comment
def finalize(self):
assert not self.finalized
for s, index in self.strings.items():
self.l("str%d" % index, "char")
for c in s:
self.data.append(ord(c))
self.data.append(0)
self.finalized = True
cursor = 0
while cursor < len(self.data):
if cursor in self.refs:
v = self.labels[self.refs[cursor][0]] - cursor
if self.endianness == "le":
self.data[cursor + 0] = (v & 255)
self.data[cursor + 1] = ((v >> 8) & 255)
self.data[cursor + 2] = ((v >> 16) & 255)
self.data[cursor + 3] = ((v >> 24) & 255)
elif self.endianness == "be":
self.data[cursor + 0] = ((v >> 24) & 255)
self.data[cursor + 1] = ((v >> 16) & 255)
self.data[cursor + 2] = ((v >> 8) & 255)
self.data[cursor + 3] = (v & 255)
else:
assert 0
cursor += 4
else:
cursor += 1
def write_verbose_c(self, f, ctype="const unsigned char"):
assert self.finalized
print("%s %s[%d] = {" % (ctype, self.cname, len(self.data)), file=f)
cursor = 0
bytecnt = 0
while cursor < len(self.data):
if cursor in self.comments:
if bytecnt == 0:
print(" ", end="", file=f)
print(" // %s" % self.comments[cursor], file=f)
bytecnt = 0
if cursor in self.labels_byaddr:
if bytecnt != 0:
print(file=f)
if cursor in self.exports:
print("#define %s ((%s*)(%s+%d))" % (
self.labels_byaddr[cursor], self.ltypes_byaddr[cursor], self.cname, cursor), file=f)
else:
print(" // [%d] %s" % (cursor, self.labels_byaddr[cursor]), file=f)
bytecnt = 0
if cursor in self.refs:
if bytecnt != 0:
print(file=f)
print(" ", end="", file=f)
print(" %-4s" % ("%d," % self.data[cursor + 0]), end="", file=f)
print(" %-4s" % ("%d," % self.data[cursor + 1]), end="", file=f)
print(" %-4s" % ("%d," % self.data[cursor + 2]), end="", file=f)
print(" %-4s" % ("%d," % self.data[cursor + 3]), end="", file=f)
print(" // [%d] %s (reference to %s)" % (cursor, self.refs[cursor][1], self.refs[cursor][0]), file=f)
bytecnt = 0
cursor += 4
else:
if bytecnt == 0:
print(" ", end="", file=f)
print(" %-4s" % ("%d," % self.data[cursor]), end=("" if bytecnt < 15 else "\n"), file=f)
bytecnt = (bytecnt + 1) & 15
cursor += 1
if bytecnt != 0:
print(file=f)
print("};", file=f)
def write_compact_c(self, f, ctype="const unsigned char"):
assert self.finalized
print("%s %s[%d] = {" % (ctype, self.cname, len(self.data)), file=f)
column = 0
for v in self.data:
if column == 0:
print(" ", end="", file=f)
column += 2
s = "%d," % v
print(s, end="", file=f)
column += len(s)
if column > 75:
print(file=f)
column = 0
if column != 0:
print(file=f)
for cursor in self.exports:
print("#define %s ((%s*)(%s+%d))" % (
self.labels_byaddr[cursor], self.ltypes_byaddr[cursor], self.cname, cursor), file=f)
print("};", file=f)
def write_uint64_c(self, f, ctype="const uint64_t"):
assert self.finalized
print("%s %s[%d] = {" % (ctype, self.cname, (len(self.data) + 7) // 8), file=f)
column = 0
for i in range((len(self.data) + 7) // 8):
v0 = self.data[8 * i + 0] if 8 * i + 0 < len(self.data) else 0
v1 = self.data[8 * i + 1] if 8 * i + 1 < len(self.data) else 0
v2 = self.data[8 * i + 2] if 8 * i + 2 < len(self.data) else 0
v3 = self.data[8 * i + 3] if 8 * i + 3 < len(self.data) else 0
v4 = self.data[8 * i + 4] if 8 * i + 4 < len(self.data) else 0
v5 = self.data[8 * i + 5] if 8 * i + 5 < len(self.data) else 0
v6 = self.data[8 * i + 6] if 8 * i + 6 < len(self.data) else 0
v7 = self.data[8 * i + 7] if 8 * i + 7 < len(self.data) else 0
if self.endianness == "le":
v = v0 << 0
v |= v1 << 8
v |= v2 << 16
v |= v3 << 24
v |= v4 << 32
v |= v5 << 40
v |= v6 << 48
v |= v7 << 56
elif self.endianness == "be":
v = v7 << 0
v |= v6 << 8
v |= v5 << 16
v |= v4 << 24
v |= v3 << 32
v |= v2 << 40
v |= v1 << 48
v |= v0 << 56
else:
assert 0
if column == 3:
print(" 0x%016x," % v, file=f)
column = 0
else:
if column == 0:
print(" ", end="", file=f)
print(" 0x%016x," % v, end="", file=f)
column += 1
if column != 0:
print("", file=f)
print("};", file=f)
def write_string_c(self, f, ctype="const char"):
assert self.finalized
assert self.data[len(self.data) - 1] == 0
print("%s %s[%d] =" % (ctype, self.cname, len(self.data)), file=f)
print(" \"", end="", file=f)
column = 0
for i in range(len(self.data) - 1):
if (self.data[i] < 32) or (self.data[i] > 126):
print("\\%03o" % self.data[i], end="", file=f)
column += 4
elif self.data[i] == ord('"') or self.data[i] == ord('\\'):
print("\\" + chr(self.data[i]), end="", file=f)
column += 2
else:
print(chr(self.data[i]), end="", file=f)
column += 1
if column > 70 and (i != len(self.data) - 2):
print("\"\n \"", end="", file=f)
column = 0
print("\";", file=f)
def write_binary(self, f):
assert self.finalized
assert self.data[len(self.data) - 1] == 0
f.buffer.write(self.data)
def write_database(bba):
def write_loc(x, y, sym_name):
bba.s16(x, "%s_x" % sym_name)
bba.s16(y, "%s_y" % sym_name)
for loctype, idx in sorted(location_types.items(), key=lambda x: x[1]):
wires, arcs, bels = loctype
bba.l("loc%d_pips" % idx, "PipInfoPOD")
for arc in arcs:
src_wire, dst_wire, configurable, tile_type = arc
write_loc(src_wire[0], src_wire[1], "src")
write_loc(dst_wire[0], dst_wire[1], "dst")
bba.u32(src_wire[2], "src_idx")
bba.u32(dst_wire[2], "dst_idx")
bba.u32(1, "delay") # TODO:delay
bba.u16(tile_type, "tile_type")
bba.u8(1 if not configurable else 0, "pip_type")
bba.u8(0, "padding")
for wire_idx in range(len(wires)):
wire = wires[wire_idx]
name, downpips, uppips, downbels, upbels = wire
if len(downpips) > 0:
bba.l("loc%d_wire%d_downpips" % (idx, wire_idx), "PipLocatorPOD")
for dp in downpips:
write_loc(dp[0], dp[1], "rel_loc")
bba.u32(dp[2], "idx")
if len(uppips) > 0:
bba.l("loc%d_wire%d_uppips" % (idx, wire_idx), "PipLocatorPOD")
for up in uppips:
write_loc(up[0], up[1], "rel_loc")
bba.u32(up[2], "idx")
def main(): def main():
pytrellis.load_database(database.get_db_root()) pytrellis.load_database(database.get_db_root())
print("Initialising chip...") print("Initialising chip...")