stand: Add support for 64-bit machines with 32-bit UEFI implementations

Some machines have 64-bit capable cpus but are stuck on 32-bit uefi
firmware.

Add support for them by building a new "loader_

stand: Add support for 64-bit machines with 32-bit UEFI implementations

Some machines have 64-bit capable cpus but are stuck on 32-bit uefi
firmware.

Add support for them by building a new "loader_ia32" with
LOADER_DEFAULT_INTERP along with the 64-bit one. The loader
can be disabled using MK_LOADER_IA32.

Reviewed by: imp
Pull Request: https://github.com/freebsd/freebsd-src/pull/1098

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stand/efi: Add a 32-bit variant of libefi

In preparation for supporting 64-bit machines with 32-bit UEFI firmware,
add a 32-bit variant of libefi since we need to compile both the 64-bit
version and

stand/efi: Add a 32-bit variant of libefi

In preparation for supporting 64-bit machines with 32-bit UEFI firmware,
add a 32-bit variant of libefi since we need to compile both the 64-bit
version and the 32-bit version at the same time.

Reviewed by: imp
Pull Request: https://github.com/freebsd/freebsd-src/pull/1098

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Remove residual blank line at start of Makefile

This is a residual of the $FreeBSD$ removal.

MFC After: 3 days (though I'll just run the command on the branches)
Sponsored by: Netflix

Remove $FreeBSD$: one-line sh pattern

Remove /^\s*#[#!]?\s*\$FreeBSD\$.*$\n/

stand: properly declare subdir deps or .WAIT, do parallel build

buildworld already runs the stand build in parallel[1], so make it easier to
identify ordering issues by properly establishing depende

stand: properly declare subdir deps or .WAIT, do parallel build

buildworld already runs the stand build in parallel[1], so make it easier to
identify ordering issues by properly establishing dependencies or adding
.WAIT where needed.

Everything in stand/ relies on libsa, either directly or indirectly, because
libsa build is where the stand headers get installed and it gets linked in
most places.

Interpreters depend on their libs, machine dirs usually depend on top-level
libs that are getting built and at least one of the interpreter flavors.

For i386, order btx/libi386/libfirewire before everything else using a
big-ol-.WAIT hammer. btx is the most common dependency, but the others are
used sporadically. This seems to be where the race reporting on the mailing
list is- AFAICT, the following sequence is happening:

1.) One of the loaders gets built based on stale btx/btxldr
2.) btx/btxldr gets rebuilt
3.) installworld triggers loader rebuild because btx was rebuilt after

This seems like the most plausible explanation, as they've verified system
time and timestamps.

While we're here, let's switch stand/ over to a completely parallel build so
we can work out these kinds of issues in isolation rather than in the middle
of a larger build.

Reviewed by: bdragon, sjg, tsoome
Tested by: bdragon (-j1024, no failures, significant speed improvement)
Differential Revision: https://reviews.freebsd.org/D23411

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Remove tests for obsolete compilers in the build system

Assume gcc is at least 6.4, the oldest xtoolchain in the ports tree.
Assume clang is at least 6, which was in 11.2-RELEASE. Drop conditions
f

Remove tests for obsolete compilers in the build system

Assume gcc is at least 6.4, the oldest xtoolchain in the ports tree.
Assume clang is at least 6, which was in 11.2-RELEASE. Drop conditions
for older compilers.

Reviewed by: imp (earlier version), emaste, jhb
MFC after: 2 weeks
Sponsored by: Dell EMC Isilon
Differential Revision: https://reviews.freebsd.org/D24802

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MFHead @349234

Sponsored by: The FreeBSD Foundation

Create gptboot.efi

This is a primary boot loader that is intended to implement the
gptboot partition selection algorithm just like we did for BIOS
booting. While the preferred method for UEFI is to

Create gptboot.efi

This is a primary boot loader that is intended to implement the
gptboot partition selection algorithm just like we did for BIOS
booting. While the preferred method for UEFI is to use the UEFI Boot
Manager protocol, there are situations where that can't be done: some
BIOS makers interfere with the protocol in unhelpful ways, there's a
new standard for a zero variable write from the client OS, and finally
for USB drives that might be mobile between systems with multiple
partitions there needs to be a media stable way to select.

Reviewed by: tsoome, bcran
Differential Revision: https://reviews.freebsd.org/D20547

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Merge ^/head r337646 through r338014.

Create a loader for each interpreter for x86 BIOS and all EFI

Create loader_{4th,lua,simp}{,.efi}. All of these are installed by
default. Create LOADER_DEFAULT_INTERP to specify the default
interpre

Create a loader for each interpreter for x86 BIOS and all EFI

Create loader_{4th,lua,simp}{,.efi}. All of these are installed by
default. Create LOADER_DEFAULT_INTERP to specify the default
interpreter when no other is specified. LOADER_INTERP is the current
interpreter language building. Turn building of lua on by default to
match 4th. simploader is a simplified loader build w/o any interpreter
language (but with a simple loader). This is the historic behavir you
got with WITHOUT_FORTH. Make a hard link to the default loader. This
has to be a hard link rather than the more desirable soft link because
older zfsboot blocks don't support symlinks.

RelNotes: Yes
Differential Revision: https://reviews.freebsd.org/D16705

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stand: Fix build after r330249

One does not simply convert to SUBDIR.yes in stand without making everything
else in the affected files SUBDIR.yes -- there are better ways to do this.

stand: Makefile SUBDIR cleanup

Use SUBDIR.${MK_*} where appropriate. r330248 eliminated most of the
offenders, sweep the rest under the rug.

Differential Revision: https://reviews.freebsd.org/D14545

Move EFI up to common makefile. There's no need for all these .if's
based on architecture.

Sponsored by: Netflix

Add NO_OBJ to those directories that don't make anything.

For directories that don't many anything, add NO_OBJ=t just before we
include bsd.init.mk. This prevents them from creating an OBJ
directory

Add NO_OBJ to those directories that don't make anything.

For directories that don't many anything, add NO_OBJ=t just before we
include bsd.init.mk. This prevents them from creating an OBJ
directory. In addition, prevent defs.mk from creating the machine
related links in these cases. They aren't needed and break, at least
on stable, the read-only src tree build.

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Merge ^/head r325663 through r325841.

Move sys/boot to stand. Fix all references to new location

Sponsored by: Netflix