Jérôme Duval 1f8a8d2b48 boot/bios_ia32: basic support la57 aka 5-level paging for x86_64 kernels
la57 kernel support is required. we simply add a 5th level and enable the cr4
feature. the safemode option "256tb_memory_limit" is named after the 4gb one,
but the current support is limited to 512GB as before (this can be later extended).

Change-Id: I922774473c4a6112a0e4ff74162285ad58aa53af
Reviewed-on: https://review.haiku-os.org/c/haiku/+/3552
Reviewed-by: Adrien Destugues <pulkomandy@gmail.com>
Reviewed-by: Axel Dörfler <axeld@pinc-software.de>
2020-12-28 18:21:11 +00:00
..
2020-12-03 07:58:05 +00:00