Comments (3)
nanosonde
commented on July 19, 2024
I have just found this:
http://forums.xilinx.com/t5/Synthesis/clog2-fails-on-a-localparam/td-p/396105
and this:
http://permalink.gmane.org/gmane.comp.multimedia.milkymist.devel/3042
So $clog2() system call cannot be used with "localparam" due to a bug in XST.
The fix is to use a constant function in lm32_config.v.
But this fix only works for Spartan6 run of XST and NOT for a Virtex5 run of XST.
A fix from Xilinx for the "localparam" $clog() issue is to use "System Verilog" file type:
http://www.xilinx.com/support/answers/57984.html
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sbourdeauducq
commented on July 19, 2024
Is this still a problem?
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nanosonde
commented on July 19, 2024
Sorry, I am not working on this anymore.
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