yosys-witness concat yw trace files #3902
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Intended for use with SCY to combine sequential cover traces. Arbitrary number of inputs, will load all and attempt to join them. Each trace will be replayed one after the other, in the same order as the files are provided. Mismatch in init_only fields seems to work fine, with values in subsequent traces being assigned in the initial only if they weren't previously defined. Uncertain if a mismatch in non init_only fields will cause problems. Fixes WitnessSig.__eq__(). Adds helper functions to WitnessValues and ReadWitness classes.
Can now append a user defined number of steps to input traces when joining. If the number of steps is +ve, inputs are all set to 0. If -ve then steps are skipped. If all of steps are skipped (including init step) then the input trace will not be copied. If more than one input trace is provided, the append option will need to be provided the same number of times as there are input traces.
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Intended for use with SCY to combine sequential cover traces.
Arbitrary number of inputs, will load all and attempt to join them. Each trace will be replayed one after the other, in the same order as the files are provided.
Mismatch in init_only fields seems to work fine, with values in subsequent traces being assigned in the initial only if they weren't previously defined.
Uncertain if a mismatch in non init_only fields will cause problems.
Fixes WitnessSig.eq().
Adds helper functions to WitnessValues and ReadWitness classes.