sys: Remove $FreeBSD$: one-line .c pattern

Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/

syscons: whack __mips__ leftovers

Sponsored by: Rubicon Communications, LLC ("Netgate")

Merge ^/head r357408 through r357661.

Remove sparc64 kernel support

Remove all sparc64 specific files
Remove all sparc64 ifdefs
Removee indireeect sparc64 ifdefs

MFHead@r345275

MFhead@r344786

Merge ^/head r344549 through r344775.

Attempt to fix build breakage in r344458.

Non-x86 arches use an inconsistently named header for the file containing
"pc" attributes, and the ifdef messes to include the right header were out
of date

Attempt to fix build breakage in r344458.

Non-x86 arches use an inconsistently named header for the file containing
"pc" attributes, and the ifdef messes to include the right header were out
of date in the 2 files that I added to the MI files list.

Only amd64, arm, i386, mips, powerpc and sparc64 are supposed to support
syscons. Only arm and mips were out of date in the ifdef. Test
coverage for of syscons in arm is broken (turned off) in NOTES, but
syscons is in some other arm config files which universe detects as broken.
arm64 and riscv remain broken due to the opposite bug of not turning off
sc in NOTES, the same as before r344458 (see r344443).

The header is MD to contain possibly-non-"pc" encodings of attributes, but
since the attributes are essentially virtual in graphics mode and non-x86
arches only support graphics mode, the header has always been the same on
all arches except for different style bugs, so there should be only 1 MI
copy of it for syscons' use. It was used in pcvt and still gives an an
API and an ABI, so it should be public and MI near or in sys/consio.h.

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MFhead@r344527

Merge ^/head r344178 through r344512.

Fix the dumb and sc terminal emulators to compile and work.

First remove ifdefs of the unsupported option SC_DUMB_TERMINAL which
prevented building using both in the same kernel and broke regression

Fix the dumb and sc terminal emulators to compile and work.

First remove ifdefs of the unsupported option SC_DUMB_TERMINAL which
prevented building using both in the same kernel and broke regression
tests. This option will be replaced by per-emulator supported options.

The dumb emulator rotted with KSE in r83366, but usually compiled since
it is ifdefed to nothing unless SC_DUMB_TERMINAL is defined. The type
of an unused function parameter changed.

Both emulators rotted when 2 new methods were added while the emulators
were removed. Only null methods are needed, but null function pointers
give panics instead.

The wildcard in the default for the unsupported option SC_DFLT_TERM
never really worked. It tends to prefer the dumb emulator when multiple
emulators are configured. Change it to prefer scteken for compatibility.

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Restore syscons' terminal emulators. The trivial fixes to make them compile
will be committed later.

The "sc" emulator has the advantages of full support for cons25 and running
about 8 times faster

Restore syscons' terminal emulators. The trivial fixes to make them compile
will be committed later.

The "sc" emulator has the advantages of full support for cons25 and running
about 8 times faster than teken (for writing to the frame buffer).

The "dumb" emulator has the advantage of being simple.

Runtime choice of the emulator is good, but compile time choice is bad.

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Fix -Wundef.

__powerpc__ conditional code for the syscons OpenFirmware/PPC framebuffer.
Took the opportunity to reduce

__i386__ || __ia64__ || __amd64__ || __sparc64__ || __powerpc__

to

!__alpha__

reviewed

__powerpc__ conditional code for the syscons OpenFirmware/PPC framebuffer.
Took the opportunity to reduce

__i386__ || __ia64__ || __amd64__ || __sparc64__ || __powerpc__

to

!__alpha__

reviewed by: gallatin

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Use __FBSDID().
Also some minor style cleanups.

Add sparc64 ifdefs.

Remove unneeded #include <sys/kernel.h>

Use config's conditional compilation rather than using #ifdefs that make
modular compilation harder. I'm doing this because people seem to like
cut/pasting examples of bad practices in existing code.

This is the 3rd stage of syscons code reorganization.

- Split terminal emulation code from the main part of the driver so
that we can have alternative terminal emulator modules if we like in
the fut

This is the 3rd stage of syscons code reorganization.

- Split terminal emulation code from the main part of the driver so
that we can have alternative terminal emulator modules if we like in
the future. (We are not quite there yet, though.)

- Put sysmouse related code in a separate file, thus, simplifying the
main part of the driver.

As some files are added to the source tree, you need to run config(8)
before you compile a new kernel next time.

You shouldn't see any functional change by this commit; this is only
internal code reorganization.

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Fix -Wundef.

__powerpc__ conditional code for the syscons OpenFirmware/PPC framebuffer.
Took the opportunity to reduce

__i386__ || __ia64__ || __amd64__ || __sparc64__ || __powerpc__

to

!__alpha__

reviewed

__powerpc__ conditional code for the syscons OpenFirmware/PPC framebuffer.
Took the opportunity to reduce

__i386__ || __ia64__ || __amd64__ || __sparc64__ || __powerpc__

to

!__alpha__

reviewed by: gallatin

show more ...

Use __FBSDID().
Also some minor style cleanups.

Add sparc64 ifdefs.

Remove unneeded #include <sys/kernel.h>

Use config's conditional compilation rather than using #ifdefs that make
modular compilation harder. I'm doing this because people seem to like
cut/pasting examples of bad practices in existing code.