K 10
svn:author
V 6
royger
K 8
svn:date
V 27
2018-04-05T14:39:51.398277Z
K 7
svn:log
V 382
x86: improve reservation of AP trampoline memory

So that it doesn't rely on physmap[1] containing an address below
1MiB. Instead scan the full physmap and search for a suitable address
to place the trampoline code (below 1MiB) and the initial memory pages
(below 4GiB).

Sponsored by:		Citrix Systems R&D
Reviewed by:		kib
Differential Revision:	https://reviews.freebsd.org/D14878

END