Copy stable/9 to releng/9.3 as part of the 9.3-RELEASE cycle.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

MFC r257532 (by adrian):

Fix this build for clang.

MFC r259730:

To avoid having to explicitly test COMPILER_TYPE for setting
clang-specific or gcc-specific flags, introduce the following new
variables for use in Makefiles:

CFLAGS.clang
CFLAGS.gcc
CXXFLAGS.clang
CXXFLAGS.gcc

In bsd.sys.mk, these get appended to the regular CFLAGS or CXXFLAGS for
the right compiler.

MFC r259913:

For libstand and sys/boot, split off gcc-only flags into CFLAGS.gcc.

MFC r259927:

Fix pc98 build, by also forcing COMPILER_TYPE in sys/boot/pc98/boot2's
Makefile.

Pointy hat to: dim

MFC r241785: boot: use -march=i386 for both i386 and amd64 builds

MFC r238795

Try to avoid all files dependence on the modification time of the large
and often modified directory created symbolic links points to - it cause
unnecessary full rebuilds each time make runs when directory is changed.
So do it only if symbolic link does not exists, which usually means that
objdir is clean anyway.

Approved by: re (kib)

Copy head to stable/9 as part of 9.0-RELEASE release cycle.

Approved by: re (implicit)

On i386 and amd64, consistently use the following options whenever we
want to avoid using any "advanced" CPU features:

-mno-mmx -mno-3dnow -mno-sse -mno-sse2 -mno-sse3 -msoft-float

Remove an empty .if/.endif pair from sys/boot/ficl/Makefile that I
forgot to cleanup in the last commit.

In lib/libstand, sys/boot/ficl and sys/boot/zfs, -mno-sse3 should also
be used for amd64, not just for i386.

MF tbemd: Minor tweaks, prefer MACHINE_CPUARCH generally to MACHINE_ARCH (which simplifies some powerpc/powerpc64 ifs)

Provide support in loader for booting 64-bit PowerPC kernels. Like amd64,
64-bit PowerPC kernels are loaded by a 32-bit loader, since nearly all
powerpc64 firmwares execute in 32-bit mode.

Initial support of loader(8) for ARM machines running U-Boot.

This uses the common U-Boot support lib (sys/boot/uboot, already used on
FreeBSD/powerpc), and assumes the underlying firmware has the modern API for
stand-alone apps enabled in the config (CONFIG_API).

Only netbooting is supported at the moment.

Obtained from: Marvell, Semihalf

Optimize for size on pc98. It enables to boot a kernel again.

I don't know what's wrong (loader, boot2 or others), but this change is
effective.

Tested by: NAKAJI Hiroyuki
MFC after: 3 days

Add -march=i386 to fix amd64 build by generating the same code
as i386 would do.

Remove Alpha bits for ficl.

Add -mno-sse3 for prescott/nocona

Ensure GCC does not use FP registers in integer code.
I really don't like cluttering up the compiler invocation,
but this bigger hammer will fix reported problems for now.

For variables that are only checked with defined(), don't provide
any fake value.

Forced commit to document:

Doug Rabson <dfr@nlsystems.com>
Message-Id: <200408220940.18504.dfr@nlsystems.com>
Size does matter for the alpha loader. The firmware gives it 256k
of address space which we overflowed many years ago. I extended it
in sys/boot/alpha/common/main.c:extend_heap() by adding 512k to the
loader's mapped address space.

Part 2 of fixing the boot code: gcc 3.4 fixes.

The whole problem seems to be size. Which is odd, because it is said
that size doesn't matter. Anyway... Add -Os to strategic places in the
makefile to have the final loader be as mall as possible. This seems
to be enough to make it work. For now... I think something is more
fundamentally wrong; or something more fundamental is wrong. Potato,
potaato.

Untangle building of AMD64 boot code.

Tested on: amd64 (sledge)

Disable floating point on PowerPC for the ficl library.

bsd.lib.mk,v 1.143 no longer uses ld(1) directly to strip
symbols from intermediate object files, so these hacks to
get AMD64 compile are no longer needed.

Tested on: sledge.FreeBSD.org

Build on amd64. Yes, I know this isn't particularly nice.

Set arch-pc98 env to true for pc98.

Removed now unused INTERNALSTATICLIB.
INTERNALLIB now implies NOPIC and NOPROFILE.
Removed gratuitous NOMAN.

Back out last commit. I expect our bsd.*.mk gods to remove the need for
defining so many extra things in addition to INTERNALLIB. We don't like
repetitive C code and we shouldn't for make code either.

NOPIC, NOPROFILE, NOMAN, and INTERNALSTATICLIB are redundant when using
INTERNALLIB now.

-ffreestanding is the word.
(also resort some CFLAGS such that the more "important" value are first so
they are easier to see)

Partical style cleanup.

Upgrade to FICL version 3.02. Anything wrong is my fault, everything right is
due Jon Mini.

PR: 36308
Submitted by: Jon Mini <mini@haikugeek.com>
MFC after: 4 weeks

Bring in ficl 2.05.

This version has a step debugger, which now completely replaces the
old trace feature. Also, we moved all of the FreeBSD-specific MI
code to loader.c, reducing the diff between this and the official
FICL distribution.

setlocale(3) has been fixed to match POSIX standard:
LC_ALL takes precedence over other LC_* envariables.

Cosmetique: don't use localized `date`

Don't use the Gawkism strftime(). Pass in the date stamp on the awk
command line instead.

Approved by: dcs

Fix this so that we actually define HAVE_PNP when its available.

Only build PnP parts if the platform supports PnP.

Add -mpreferred-stack-boundary=2 to CFLAGS for i386. This and libstand
reduces /boot/loader from 163840 bytes to 155648 and pxeboot from 165888
bytes to 157696 bytes.

Add setenv, getenv, setenv?, unsetenv, copyin and copyout to FICL.

Stop libficl from using floating point registers - this was cauing
dictDelete() to fault early on the Alpha and was the original cause of
the Alpha ficl failures.

Add testmain.o to CLEANFILES.

Try my hand again at removing ugly testmain target.

Revert ill-considered simplification in 1.13.

Pointed by: peter

Improve Makefile by using .PATH.

Taught by: peter

Improve on ficl port to alpha.

Files sysdep.[ch] are now in ${MACHINE_ARCH} subdirectory. Internal
#if's used to identify the platform where removed.

Make rule for target testmain was greatly simplified, because it was
easier simplifying it than changing it to support the new location of
sysdep.[ch].

(a repo-copy was done on sysdep.[ch], of course)

Bring in ficl version 2.03. No version bump for loader.

$Id$ -> $FreeBSD$

Reactivate trace! after making it egcs-friendly.

Disable trace! until it gets fixed.

Make FICL_TRACE default.

Add freebsd.fr, for FreeBSD specific forth source. Add $ and %, to
replace the lost @ and - functionality of include. $ has the opposite
behavior of @ though, since the default behavior was inverted.

Transition from using Perl to using awk for our text-manipulation
needs. This removes the dependancy on Perl for the generation of the
loader, allowing the world to be built on a perl-free system.

Submitted by: Joe Abley <jabley@clear.co.nz>

Remember a bit more of my forth and do:

o Add fexists word to check for the presence of a file
o make fexists and fload immediate words which DTRT both interpreted
and compiled (doh!)
o add an init word which gets run at bootstrapping time to do extra
post-coldload initialization (in the default implementation, we
look for /boot/boot.4th and load it if found).

1. rebuild all elements of testmain properly for safety.
2. add fload and key prims for doing simple file and terminal I/O, respectively

Explicitly invoke perl to run the softwords.pl script in case the
script is not executable.
Submitted by: Don Lewis <Don.Lewis@tsc.tdk.com>

Fix includes; we were still pulling in <stdlib.h> in some places.
Support building a standalone interpreter with 'make testmain', remove
win32 and egregious gets() in testmain.c

Make this work in the libstand environment; don't use stdio/stdlib headers.

Add the Ficl (Forth Inspired Command Language) interpreter. If all goes well,
this will allow us to manage bloat in the loader by using a bytecoded HLL
rather than lots of C code. It also offers an opportunity for vendors
or others with special applications to significantly customise the boot
process without having to commit to a divergent code branch.

This early commit is to allow others to experiment with the most effective
mechanisms for integrating FICL with the loader as it currently stands.

Ficl is distributed with the following license conditions:

"Ficl is freeware. Use it in any way that you like, with the understanding
that the code is not supported."

All source files contain authorship attributions.

Obtained from: John Sadler (john_sadler@alum.mit.edu)