On 17/12/2024 18:06, Carlo Nonato wrote:
>
>
> Xen image is relocated to a new colored physical space. Some relocation
> functionalities must be brought back:
> - the virtual address of the new space is taken from 0c18fb76323b
> ("xen/arm: Remove unused BOOT_RELOC_VIRT_START").
> - relocate_xen() and get_xen_paddr() are taken from f60658c6ae47
> ("xen/arm: Stop relocating Xen").
>
> setup_pagetables() must be adapted for coloring and for relocation. Runtime
> page tables are used to map the colored space, but they are also linked in
> boot tables so that the new space is temporarily available for relocation.
> This implies that Xen protection must happen after the copy.
>
> Finally, since the alternative framework needs to remap the Xen text and
> inittext sections, this operation must be done in a coloring-aware way.
> The function xen_remap_colored() is introduced for that.
>
> Signed-off-by: Carlo Nonato <[email protected]>
> Signed-off-by: Marco Solieri <[email protected]>
> Reviewed-by: Jan Beulich <[email protected]> # common
Reviewed-by: Michal Orzel <[email protected]>
~Michal
