royger 5f1547e410 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
2018-04-05 14:39:51 +00:00
..
2018-03-20 17:58:51 +00:00