How can kernel command line arguments be set when using the OpenSBI bootloader in Buildroot? I want to set the isolcpus argument.
How to set OpenSBI kernel command line argument with Buildroot
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I don't think OpenSBI is even able to boot Linux. Typically, there will be a full-fledged boot loader, e.g. U-Boot, that loads Linux and sets the command line.
If OpenSBI is able to load Linux after all, here are a few ways that the command line can be set.
bootargsproperty (at the top level) to the kernel command line you want.CONFIG_CMDLINE(and probably enableCONFIG_CMDLINE_EXTEND).