[lowrisc-dev] FPGA utilization stats
Dr Jonathan Kimmitt
jrrk2 at cam.ac.uk
Mon Jan 7 17:27:11 GMT 2019
The GUI will open if you use the 'make vivado' target in
This provides access to a number of reports that will not be available
from the command line.
It is possible to run the report that you want, then save the .tcl
commands that generate that report
for future command line use and regression testing, also area
utilization reports have an option
to save to a separate file rather than just display in a GUI tab. You
also need this method to diagnose
any timing errors that might crop up from time to time or if your
On 07/01/2019 17:19, Gabriel L. Somlo wrote:
> After successfully building chip_top.bit in fpga/board/nexys4_ddr,
> how would one get a set of up-to-date FPGA resource utilization
> statistics, similar to what's shown at the bottom of
> https://www.lowrisc.org/docs/untether-v0.2/fpga-demo/ ?
> I tried digging through vivado.log, but none of the (many) numbers
> reported in there stuck out as immediately useful.
> Do I have to bring up the Vivado GUI and poke around with it, or
> is there a way to collect the info from vivado.log, or have I just
> missed it by not looking carefully enough?
> Thanks much,
More information about the lowrisc-dev