be preempted here as this will enter back into this function, but the
hardware could be in an inconsistant state, and the vfp unit will be off
when switced back to this function.
Sponsored by: The FreeBSD Foundation
copying the pcb. These values may have been changed just before the call
to fork and without a call to cpu_switch, where they would have been saved.
Sponsored by: The FreeBSD Foundation
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
no need for them to be this strong, we only need to provide one or the
other.
While here replace atomic_load_acq_* and atomic_store_rel_* with a single
instruction version, and fix the definition of atomic_clear_* to point to
the correct functions.
Sponsored by: The FreeBSD Foundation
set of machine headers needed to build the userland toolchain.
Differential Revision: https://reviews.freebsd.org/D2148
Reviewed by: imp
Sponsored by: The FreeBSD Foundation
