[PATCH v4 09/10] ARM: gic-v3: Introduce 32-to-64-bit mappings for GICv3 cpu registers

Christoffer Dall christoffer.dall at linaro.org
Tue Sep 13 01:52:09 PDT 2016


On Mon, Sep 12, 2016 at 03:49:23PM +0100, Vladimir Murzin wrote:
> vgic-v3 save/restore routines are written in such way that they map
> arm64 system register naming nicely, but it does not fit to arm
> world. To keep virt/kvm/arm/hyp/vgic-v3-sr.c untouched we create a
> mapping with a function for each register mapping the 32-bit to the
> 64-bit accessors.
> 
> Please, note that 64-bit wide ICH_LR is split in two 32-bit halves
> (ICH_LR and ICH_LRC) accessed independently.
> 
> Signed-off-by: Vladimir Murzin <vladimir.murzin at arm.com>

Acked-by: Christoffer Dall <christoffer.dall at linaro.org>



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