svn commit: r341422 - head/sys/powerpc/booke

[Justin Hibbits]

On Sun, Dec 2, 2018 at 10:47 PM Justin Hibbits <jhibbits at freebsd.org> wrote:
>
> Author: jhibbits
> Date: Mon Dec  3 04:47:28 2018
> New Revision: 341422
> URL: https://svnweb.freebsd.org/changeset/base/341422
>
> Log:
>   powerpc/booke: Check for the metadata address by physical address
>
>   The metadata pointer will almost never be at or above 'btext', as btext is a
>   relocated symbol, so will be based at VM_MIN_KERNEL_ADDRESS, not at
>   KERNBASE.  Check the address against kernload, where the kernel is
>   physically loaded.

Rather, at this time VM_MIN_KERNEL_ADDRESS is equal to KERNBASE, but
I'm in the process of moving KERNBASE so that the kernel can be loaded
by ubldr without needing 4GB RAM.