[Libre-soc-dev] daily kan-ban update 23mar2021
Luke Kenneth Casson Leighton
lkcl at lkcl.net
Tue Mar 23 20:36:26 GMT 2021
On Tuesday, March 23, 2021, Tobias Platen <libre-soc at platen-software.de>
> -- Shift address bits 61--12 right by 0--47 bits and
> -- supply the least significant 16 bits of the result.
these microwatt functions are awful. they are heavily optimised for Xilinx
FPGA toolchains (which are s***) to specifically target Xilinx LUT6 FPGAs.
we should not in any way try to replicate or use them.
just replace with shift and mask.
x = addr >> shift
return x[0:16] # but convert to MSB0
crowd-funded eco-conscious hardware: https://www.crowdsupply.com/eoma68
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