MFH: r281668 through r281783

Sponsored by: The FreeBSD Foundation

Implement hwpmc(4) for Freescale e500 core.

This supports e500v1, e500v2, and e500mc. Tested only on e500v2, but the
performance counters are identical across all, with e500mc having some
additional

Implement hwpmc(4) for Freescale e500 core.

This supports e500v1, e500v2, and e500mc. Tested only on e500v2, but the
performance counters are identical across all, with e500mc having some
additional events.

Relnotes: Yes

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Add file missed in r281096.

Fix whitespace.

Add mpc85xx_gpio to the build conf.

Missed this in the previous commit.

Merge from HEAD

Make simplebus a base class of ofwbus. This allows the elimination of
duplicated code in the two classes, and also allows devices in FDT-based
systems to declare simplebus as their parent and still

Make simplebus a base class of ofwbus. This allows the elimination of
duplicated code in the two classes, and also allows devices in FDT-based
systems to declare simplebus as their parent and still work correctly
when the FDT data describes the device at the root of the tree rather
than as a child of a simplebus (which is common for interrupt, clock,
and power controllers).

Differential Revision: https://reviews.freebsd.org/D1990
Submitted by: Michal Meloun

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Merge from HEAD

MFH: r278202,r278205-r278590

Sponsored by: The FreeBSD Foundation

Merge ^/head r278351 through r278498.

Remove FreeBSD/wii.

This port failed to gain traction and probably only a couple Wii consoles
ran FreeBSD all the way to single user mode with an md(4). IPC
support was never implemented, so it was

Remove FreeBSD/wii.

This port failed to gain traction and probably only a couple Wii consoles
ran FreeBSD all the way to single user mode with an md(4). IPC
support was never implemented, so it was impossible to use any peripheral

Any further development, if any, will happen at https://github.com/rpaulo/wii.

Discussed with: nathanw (a long time ago), jhibbits

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MFhead @ r277403

Reintegrate head: r274132-r277384

Sponsored by: The FreeBSD Foundation

Add Altivec/VMX register support to ptrace.

MFC after: 2 weeks
Relnotes: yes

Reintegrate head revisions r273096-r277147

Sponsored by: The FreeBSD Foundation

MFhead @ r275911 (also, sort out MK_* flags in BMAKE, etc on this branch)

Merge ^/head r275759 through r275911.

Move ofw_cpu.c to sys/dev/ofw so that it can be used by other
architectures.

Differential Revision: https://reviews.freebsd.org/D1307
Reviewed by: jhibbits

Merge from head@274682

Sync to HEAD@r274095.

IFC @r273206

Move the adm1030 driver to the proper location, and rename it.

For compatibility, 'device windtunnel' is still supported, but one should use
'device adm1030' instead, and this has been updated in GE

Move the adm1030 driver to the proper location, and rename it.

For compatibility, 'device windtunnel' is still supported, but one should use
'device adm1030' instead, and this has been updated in GENERIC and NOTES.

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IFC @r269962

Submitted by: Anish Gupta (akgupt3@gmail.com)

Merge head from 7/28

Sync to HEAD@r269943.