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6 Commits

Author SHA1 Message Date
Marcelina Kościelnicka ff9713dd86 kernel/mem: Add model for wide ports. 
Such ports cannot actually be created or used yet, this just adds the
necessary plumbing in the helper.  Subsequent commits will gradually
add wide port support to various yosys passes.
 2021-05-25 02:07:25 +02:00
Marcelina Kościelnicka 95a39d3425 kernel/mem: Add priority_mask to model. 
This is going to be used to store arbitrary priority masks in the
future.  Right now, it is not supported by our cell library, so the
priority_mask is computed from port order on helper construction,
and discarded when emitted.  However, this allows us to already convert
helper-using passes to the new model.
 2021-05-25 00:38:20 +02:00
Marcelina Kościelnicka afd5366fc2 extract_rdff: Add initvals parameter. 
This is not used yet, but will be needed when read port reset/initial
value support lands.
 2021-05-23 22:05:26 +02:00
Marcelina Kościelnicka c7076495f1 kernel/mem: Add a check() function. 2021-05-22 21:42:53 +02:00
Marcelina Kościelnicka ff9e0394b8 kernel/mem: defer port removal to emit() 2021-05-22 21:42:53 +02:00
Marcelina Kościelnicka 8720482ebd Add new helper structures to represent memories. 2020-10-21 17:51:20 +02:00