Commit Graph

4 Commits

Author SHA1 Message Date
Andrew Turner
5db4448f06 Add support to the arm64 busdma to handle the cache. For now this is
disabled, however when we enable it it will default to assume memory is
not cache-coherent, unless either the tag was created or the parent was
marked as cache-coherent.

Obtained from:	ABT Systems Ltd
Relnotes:	yes
Sponsored by:	The FreeBSD Foundation
2016-05-13 16:03:50 +00:00
Konstantin Belousov
6ced378970 Clear exclusive monitors when handling data aborts, the monitors are
in unknown state per spec.

Reviewed by:	andrew (previous version)
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D3668
2015-09-18 16:52:18 +00:00
Andrew Turner
e5acd89c78 Bring in the start of the arm64 kernel.
This is only the minimum set of files needed to boot in qemu. As such it is
missing a few things.

The bus_dma code is currently only stub functions with a full implementation
from the development tree to follow.

The gic driver has been copied as the interrupt framework is different. It
is expected the two drivers will be merged by the arm intrng project,
however this will need to be imported into the tree and support for arm64
would need to be added.

This includes code developed by myself, SemiHalf, Ed Maste, and Robin
Randhawa from ARM. This has been funded by the FreeBSD Foundation, with
early development by myself in my spare time with assistance from Robin.

Differential Revision:	https://reviews.freebsd.org/D2199
Reviewed by:	emaste, imp
Relnotes:	yes
Sponsored by:	The FreeBSD Foundation
2015-04-13 14:43:10 +00:00
Andrew Turner
412042e2ae Add the start of the arm64 machine headers. This is the subset needed to
start getting userland libraries building.

Reviewed by:	imp
Sponsored by:	The FreeBSD Foundation
2015-03-23 11:54:56 +00:00