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Reset Management Register Functioanlity in ARM v8

techguyz

Hi Experts,

Does the Reset Management Register will be implemented mandatory or optional for the SoC based on ARMv8 and how it is practically used ?

Regards,

Techguyz

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  • +1

    If an processor supports both execution states (ie AArch32 and AArch64) then the register is mandatory.

    It is used to request a soft reset specifying whether to reset into AArch32 or AArch64.  This is the only way to swap EL3 between AArch32/AArch64.

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  • +1

    If an processor supports both execution states (ie AArch32 and AArch64) then the register is mandatory.

    It is used to request a soft reset specifying whether to reset into AArch32 or AArch64.  This is the only way to swap EL3 between AArch32/AArch64.

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