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CPU Variants
Tim 'mithro' Ansell edited this page Jul 5, 2019
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export CPU_VARIANT=XXXX
FULL_CPU value is $CPU.$CPU_VARIANT.
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linux- openrisc with features required for Linux enabled.
Minimal - smallest possible resource usage version of the CPU
Metal - CPU configured for "bare metal" firmware. No MMU, syscall, etc stuff
OS - CPU configured to run a real OS such as Linux. Will have MMU and caches. OS configure expects SDRAM
- Size - optimise for smallest resource usage
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Balanced- enable performance features which have a good resource to performance ratio -
Performance- enable all features which increase performance
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+Debug- enable features which increase debug