manuals: Fix "skipping end of block" .El errors

These were reported by `mandoc -T lint ...` as errors; this commit only
handles unnecessary .El commands.

The rendered output (in ascii and html) is

manuals: Fix "skipping end of block" .El errors

These were reported by `mandoc -T lint ...` as errors; this commit only
handles unnecessary .El commands.

The rendered output (in ascii and html) is not affected by this commit.

Signed-off-by: Graham Percival <gperciva@tarsnap.com>
Reviewed by: mhorne
MFC after: 3 days
Sponsored by: Tarsnap Backup Inc.
Pull Request: https://github.com/freebsd/freebsd-src/pull/1447

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manuals: Fix "skipping end of block" .Ed errors

These were reported by `mandoc -T lint ...` as errors; this commit only
handles unnecessary .Ed commands.

The rendered output (in ascii and html) is

manuals: Fix "skipping end of block" .Ed errors

These were reported by `mandoc -T lint ...` as errors; this commit only
handles unnecessary .Ed commands.

The rendered output (in ascii and html) is not affected by this commit.

Signed-off-by: Graham Percival <gperciva@tarsnap.com>
Reviewed by: mhorne
MFC after: 3 days
Sponsored by: Tarsnap Backup Inc.
Pull Request: https://github.com/freebsd/freebsd-src/pull/1435

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ahc(4): Default to memory mapped IO

When this driver was written it made sense to make this default to off,
but these days almost all BIOSses will do the right thing. Furthermore
non-mmio communicat

ahc(4): Default to memory mapped IO

When this driver was written it made sense to make this default to off,
but these days almost all BIOSses will do the right thing. Furthermore
non-mmio communication only works on Intel architectures.

So lets default to allowing mmio, but not change the semantics of the
AHC_ALLOW_MEMIO flag to not break existing installs. Also document the
already existing hint.ahc.<unit>.allow_memio.

Signed-off-by: HP van Braam <hp@tmm.cx>
Reviewed by: imp (small style tweak)
Pull Request: https://github.com/freebsd/freebsd-src/pull/1219

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aic7xxx: make target mode enable a device hint

Previously it was only possible to enable target mode for these drivers
by rebuilding the kernel with AHC_TMODE_ENABLE or AHD_TMODE_ENABLE and a
bitmas

aic7xxx: make target mode enable a device hint

Previously it was only possible to enable target mode for these drivers
by rebuilding the kernel with AHC_TMODE_ENABLE or AHD_TMODE_ENABLE and a
bitmask of which units to statically enable for target mode.

There is no space-savings in the driver by not having AHC_TMODE_ENABLE
set, so in addition to the compile time option lets also introduce some
tunables:

hint.ahc.<unit>.tmode_enable=0/1
hint.ahd.<unit>.tmode_enable=0/1

For compatibility the old behavior is retained, but it can be overridden
with tunables

Signed-off-by: HP van Braam <hp@tmm.cx>
Reviewed by: imp, mav
Pull Request: https://github.com/freebsd/freebsd-src/pull/1208

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Remove $FreeBSD$: two-line nroff pattern

Remove /^\.\\"\n\.\\"\s*\$FreeBSD\$$\n/

Merge ^/head r339015 through r339669.

Remove aha(4) from the tree.

We tagged aha as gone in 12 a while ago. Proceed with its removal.
Data from nycbug's database shows the last sighting of this driver in
6, with the prior one in 4.x sho

Remove aha(4) from the tree.

We tagged aha as gone in 12 a while ago. Proceed with its removal.
Data from nycbug's database shows the last sighting of this driver in
6, with the prior one in 4.x show its popularity had died prior to
4.x.

Relnotes: yes

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Merge ^/head r313896 through r314128.

Remove more stray EISA refernces: ahb was removed. Remove the cross
reference and replace, where appropiate, with ahd.4.

Merge ^/head r313644 through r313895.

Remove EISA support from ahc driver. The AIC-7770 chip can be on ISA,
VesaLocalBus or EISA. Internally, EISA and ISA are handled the same,
with VL being handled slightly differently. To avoid too muc

Remove EISA support from ahc driver. The AIC-7770 chip can be on ISA,
VesaLocalBus or EISA. Internally, EISA and ISA are handled the same,
with VL being handled slightly differently. To avoid too much code
churn, retain the EISA name, despite it being used only for ISA
bus. When it is on the ISA bus, weird gymnastics are required with
EISA-space address accesses as well. Remove known models from the ahc
man page. Remove ahc_eisa module.

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MFhead@r313243

Merge ^/head r312894 through r312967.

Remove pc98 support completely.
I thank all developers and contributors for pc98.

Relnotes: yes

MFC

IFC @ r234692

sys/amd64/include/cpufunc.h
sys/amd64/include/fpu.h
sys/amd64/amd64/fpu.c
sys/amd64/vmm/vmm.c

- Add API to allow vmm FPU state init/save/restore.

FP stuff discussed with: kib

Merge head r232686 through r233825 into projects/pf/head.

mdoc: use It for each item in the list and separate each cell with Ta.

Remove superfluous paragraph macro.

More explicitly mention that we support the 2920C with the ahc driver.

PR: 125535
Submitted by: Bob Bishop <rb at gid dot co dot uk>
MFC after: 3 days

Convert to use a SYNPOSIS section that mentions kernel modules.
Also add "device scbus" where needed.

MFC after: 3 days

Sort sections.

Add a HARDWARE section which lists supported devices. The actual
device listings has been moved (and in some cases more or less
rewritten) from the DESCRIPTION section.

This will be used later for

Add a HARDWARE section which lists supported devices. The actual
device listings has been moved (and in some cases more or less
rewritten) from the DESCRIPTION section.

This will be used later for automatically generating device listings
in the Hardware Notes, by parsing the manual pages.

Reviewed in principle by: ru, hrs, trhodes
No objections: -doc, re
Section name inspired by: NetBSD

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Add some pc98-specific devices from the hardware notes.

Hiten's patchset for section four manpages, slightly edited by me.