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Old 07-10-2019, 11:31 PM   #1
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Cannot find 'System Type' in 'menuconfig'

I ran menuconfig on my jetson AGX Xavier which has ubuntu 18.04 but I cannot find the System Type in it. I also have a Tegra K1 on which I can find the system type successfully.

What I want to do is to disable cache L1 (I-cache and D-cache), and it is supposed to be under the System Type in the menuconfig while I can't find it.

I also attached the pic of what I got.

And this is the 'System Type' that I got on my TK1 board. But I cannot find it on Jetson AGX Xavier board.

Thank you so much for your help!
Old 07-11-2019, 06:22 AM   #2
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It's not there.

Choose the cpu. Read the help. Your 'system type' is Posix/Unix - period. Things like BSD, Mobile phones Motorola 68000 & PPC, and all these theoretical CPUs dreamed up by FPGA manufacturers are all catered for in the linux kernel.

Whatever CPU you choose, the kernel will expect all of it to be there. It may not be possible to disable caches in a kernel. Time for research.



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