Getting field read or write indication (finer than 'swacc')

[galaviel]

Hi All,
Is there a way (in SystemRDL2.0 in general and specifically with PeakRDL-regblock) to get an output from the register module, that indicates the field was written to (value being written doesn't matter) or read from -- by SW?

SystemRDL provdies 'swacc' and peakrdl-regblock does generate a signal for it, however there is no indication if this is a read or a write ...

any ideas?

I also tried 'onwrite=wuser' hoping this would generate a write indication signal on the HW interface, but getting an error from the toolchain indicating that the register has to be external, which it isn't (I do want the storage to be internal). Can' figure out if this is required by SystemRDL (being external) or a peakrdl-regblock limitation.

any ideas?

[amykyta3]

The regblock generator supports this as a UDP extension. See: https://peakrdl-regblock.readthedocs.io/en/latest/udps/extended_swacc.html

[galaviel]

awesome, thank you!