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ARMv8 backwards compatibility with ARMv7

Farhan

Hi there,

I have been going through a lot of ARMv8 documents, and I have a very basic question:

-Can I take a Linux Kernel, compiled for a ARMv7 device, and run it on an ARMv8 device in Aarch32 execution mode?

( Lets assume that the two SOCs are identical apart from the CPU cores )

Thanks

-fali

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  • 0

    In the same context, Will there be any performance improvement between the two?

    ARMv8 running Linux Kernel compiled for ARMv7

    ARMv8 running Linux Kernel compiled for ARMv8 in A32 compatibility mode.

    Would like to know the key differences.

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  • 0

    In the same context, Will there be any performance improvement between the two?

    ARMv8 running Linux Kernel compiled for ARMv7

    ARMv8 running Linux Kernel compiled for ARMv8 in A32 compatibility mode.

    Would like to know the key differences.

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