This makes the Arch API clearer and also allows a base implementation of
functions to reduce the amount of complexity to get a basic Arch up and
running.
Currently this only implements these for functions that don't return a
range. Range-returning functions will require more work in order due to
the current 'duck typing' approach (probably a struct that contains the
range types combined with templating.)
Signed-off-by: D. Shah <dave@ds0.me>
This makes the difference clearer between the general arch API that
everyone must implement; and helper functions specific to one arch.
Signed-off-by: D. Shah <dave@ds0.me>
This is a complete implementation of IdStringList for ECP5; excluding
the GUI (which you will have to disable for it to build).
Signed-off-by: D. Shah <dave@ds0.me>
This uses the new IdStringList API to store bel names for the ECP5. Note
that other arches and the GUI do not yet build with this
proof-of-concept patch.
getBelByName still uses the old implementation and could be more
efficiently implemented with further development.
Signed-off-by: D. Shah <dave@ds0.me>
This replaces RelPtrs and a separate length field with a Rust-style
slice containing both a pointer and a length; with bounds checking
always enforced.
Thus iterating over these structures is both cleaner and safer.
Signed-off-by: D. Shah <dave@ds0.me>
I believe Prjtrellis has CMAKE define pytrellis as a shared module, not library.
On MacOS, this makes a difference and NextPNR expected ``.dylib``
instead of ``.so``. Things still work on Linux.
These operations are meaningless for a data structure that references
another structure relative to its location.
Signed-off-by: David Shah <dave@ds0.me>
It has not actually been implemented in any router for over 2.5 years and causes nothing more than confusion. It can always be added back if it forms part of a future solution; possibly as part of a more general database structure rethink.
Signed-off-by: David Shah <dave@ds0.me>
`if(NOT DEFINED)` is not appropriate since a variable that contains
`-NOTFOUND` still counts as `DEFINED`. This can cause issues if
configuration fails, writes `-NOTFOUND` to the cache, and is then
restarted.
