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EL1 behavior when MMU is off

armdev

Hi,

I am facing issues with EL1 Guest OS.  I have enabled EL2 stage 2 page tables and set up all the virtualization registers {HCR_EL2, VTCR_EL2 and VTTBR_EL2 etc.}

I am mapping my Guest OS memory to stage 2 tables but as I try to do "eret" from EL2 mode and jump to Guest OS I am getting "Bus error on memory operation"

My questions is if the MMU is off for EL1 mode then is it right that translation will be done using stage 2 tables as Guest OS job is to setup its own page tables and tun on MMU ?

Thanks

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