arm64: head.S: handle 52-bit PAs in PTEs in early page table setup

The top 4 bits of a 52-bit physical address are positioned at bits
12..15 in page table entries. Introduce a macro to move the bits there,
and change the early ID map and swapper table setup code to use it.

Tested-by: Suzuki K Poulose <[email protected]>
Reviewed-by: Suzuki K Poulose <[email protected]>
Reviewed-by: Marc Zyngier <[email protected]>
Tested-by: Bob Picco <[email protected]>
Reviewed-by: Bob Picco <[email protected]>
Signed-off-by: Kristina Martsenko <[email protected]>
[[email protected]: additional comments for clarification]
Signed-off-by: Catalin Marinas <[email protected]>

0 files changed, 0 insertions, 0 deletions