Commit Graph

9 Commits

Author SHA1 Message Date
Rick Altherr 82a989cfc9 lib: Parser for Xilinx bitstream file format
Reads the raw bitstream into configuration packets that represent
internal register writes.

Signed-off-by: Rick Altherr <kc8apf@kc8apf.net>
Signed-off-by: Tim 'mithro' Ansell <mithro@mithis.com>
2017-12-20 22:46:39 +01:00
Rick Altherr e0094d8538 lib: correct const-ness of MemoryMappedFile::data()
Signed-off-by: Rick Altherr <kc8apf@kc8apf.net>
Signed-off-by: Tim 'mithro' Ansell <mithro@mithis.com>
2017-12-20 22:46:39 +01:00
Rick Altherr 4bc1567103 lib: Xilinx 7-Series configuration packet
Encapsulates configuration packets used in Xilinx 7-Series bitstream
format.  The same class handles both Type 1 and Type 2 packets.

Signed-off-by: Rick Altherr <kc8apf@kc8apf.net>
Signed-off-by: Tim 'mithro' Ansell <mithro@mithis.com>
2017-12-20 22:46:39 +01:00
Rick Altherr fdf0bc46a1 lib: adapter to read big-endian words from a span<> containing bytes
Signed-off-by: Rick Altherr <kc8apf@kc8apf.net>
Signed-off-by: Tim 'mithro' Ansell <mithro@mithis.com>
2017-12-20 22:46:39 +01:00
Rick Altherr 9f1e936ab0 bitops: setter and add const
Signed-off-by: Rick Altherr <kc8apf@kc8apf.net>
Signed-off-by: Tim 'mithro' Ansell <mithro@mithis.com>
2017-12-20 22:46:39 +01:00
Rick Altherr f65ee46f7c lib: bit manipulation functions
Functions for hiding all the masking and shifting required for accessing
bit ranges within an integer type.

Signed-off-by: Rick Altherr <kc8apf@kc8apf.net>
Signed-off-by: Tim 'mithro' Ansell <mithro@mithis.com>
2017-12-20 22:46:39 +01:00
Rick Altherr 51b586365b lib: Wrapper for retrieving info from a database directory
Currently provides list of segbits files saved in the database.

Signed-off-by: Rick Altherr <kc8apf@kc8apf.net>
Signed-off-by: Tim 'mithro' Ansell <mithro@mithis.com>
2017-12-20 22:46:39 +01:00
Rick Altherr 3e203b956b lib: Reader for segbits files
Acts as an iterator that yields a single record from the file.  Uses a
memory-mapped file and absl::string_view to avoid copies within the
reader.

Signed-off-by: Rick Altherr <kc8apf@kc8apf.net>
Signed-off-by: Tim 'mithro' Ansell <mithro@mithis.com>
2017-12-20 22:46:39 +01:00
Rick Altherr 30a1e466d3 lib: wrapper to manage memory-mapped files
Signed-off-by: Rick Altherr <kc8apf@kc8apf.net>
Signed-off-by: Tim 'mithro' Ansell <mithro@mithis.com>
2017-12-20 22:46:39 +01:00