tree f2d139841fd94a8479f6f608be311005e5edbec6
parent 529c4b05a3cb2f324aac347042ee6d641478e946
author Kristina Martsenko <kristina.martsenko@arm.com> 1513184839 +0000
committer Catalin Marinas <catalin.marinas@arm.com> 1513964155 +0000

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 <suzuki.poulose@arm.com>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Reviewed-by: Marc Zyngier <marc.zyngier@arm.com>
Tested-by: Bob Picco <bob.picco@oracle.com>
Reviewed-by: Bob Picco <bob.picco@oracle.com>
Signed-off-by: Kristina Martsenko <kristina.martsenko@arm.com>
[catalin.marinas@arm.com: additional comments for clarification]
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>