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prjxray
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Add optional bits output for debugging. 

Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
This commit is contained in:
Keith Rothman 2019-02-08 14:26:35 -08:00
parent 3aa8c77ad6
commit 111ad4bacc
1 changed files with 8 additions and 1 deletions
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9
utils/bit2fasm.py
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@ -3,6 +3,7 @@
Take bitstream .bit files and decode them to FASM.
'''
import contextlib
import os
import fasm
import fasm.output
@ -87,6 +88,7 @@ def main():
default_bitread = os.path.join(os.getenv("XRAY_TOOLS_DIR"), 'bitread')
parser.add_argument('--db-root', help="Database root.", **db_root_kwargs)
parser.add_argument('--bits-file', help="Output filename for bitread output, default is deleted tempfile.", default=None)
parser.add_argument(
'--part', help="Name of part being targetted.", **part_kwargs)
parser.add_argument(
@ -104,7 +106,12 @@ def main():
'--canonical', help='Output canonical bitstream.', action='store_true')
args = parser.parse_args()
with tempfile.NamedTemporaryFile() as bits_file:
with contextlib.ExitStack() as stack:
if args.bits_file:
bits_file = stack.enter_context(open(args.bits_file, 'wb'))
else:
bits_file = stack.enter_context(tempfile.NamedTemporaryFile())
bit_to_bits(
bitread=args.bitread,
part_yaml=os.path.join(args.db_root, '{}.yaml'.format(args.part)),