PR 59550: do not build ofwboot as PIE.
While there, disabel all sanitziers too.

Strip ofwboot.xcf, pointed out in

https://mail-index.netbsd.org/port-macppc/2024/02/03/msg003076.html

While here avoid modifying the binary in-place to make this more
parallel make safe.

branches: 1.60.24;
- When starting the boot program, cache a bunch of OFW frequently used
ihandles / phandles, rather than fetching them all the time.
- Change the signature of OF_call_method() to take an array of cells for
the inputs and outputs, rather than using variadic arguments. This
makes it much easier to use OF_call_method() when the format of the
arguments passed to a given method are determined at run-time
(due to e.g. #address-cells).
- Properly inform OpenFirmware where the kernel is loaded by using
"claim" on /chosen/memory and, if running in virtual-mode, using
"claim" on /chosen/mmu to reserve the VA, and "map" on /chosen/mmu
to enter the translation. (The kernel is still always mapped VA==PA.)

branches: 1.59.14;
Provide an option to use libsa allocator. Not yet enabled. Same
binary code is generated.

To enable uncomment -DHEAP_VARIABLE and comment out alloc.c in the
makefile.

PR port-macppc/44895

branches: 1.58.10;
Quash .eh_frame unwind tables in boot code.

Group CLEANFILES assignments.

centralize vers.c building for standalone programs.

branches: 1.55.2; 1.55.4;
Don't strip the .mrg since the symbols can be useful.

branches: 1.54.4;
Put GCC/GAS specific options under ACTIVE_CC == "gcc".

Don't set -mmultiple or -mno-string for PowerPC, the difference is too
small to really matter and it sometimes even increases the size.

branches: 1.52.2;
Add empty LIBCRTI= as LIBCRT0 to build sa programs without installed DESTDIR.

XXX: probabry we should have bsd.saprog.mk or something.

branches: 1.51.4; 1.51.14; 1.51.18;
Drop bootprog_maker (formerly enabled by -M) and bootprog_date (formerly
disabled by -D) from the output of newvers_stand.sh. Change -D to the
inverted logic, so that it adds the date to bootprog_rev in ().

Change all platforms accordingly. -D is added if MKREPRO is not yes and
wasn't present before. Platforms that didn't use -D don't depend on
MKREPRO now either.

branches: 1.50.2; 1.50.4;
Introduce .WAIT into the cleandir rule for blasting the libsa/libkern/etc.
trees, because it can race with the libsa/libkern/etc. makefiles' own
cleandir rules. I think I've found all of the uses of the offending idiom...
Closes PR 43360.

branches: 1.49.2; 1.49.4;
Remove obsolete LIBSA_USE_MEMCPY and LIBSA_USE_MEMSET.
They were removed from <lib/libsa/stand.h> on December 2007.

Use <bsd.klinks.mk> to create MD include dir symlinks.

branches: 1.47.2;
WARNSfy

branches: 1.46.6;
Added driver for the Creative Systems Inc. Hurdler CPI parallel printer card.
Timecounter support for the Z8536 counters A + B is not complete, yet.

Reviewed by Martin Husemann.

branches: 1.45.74; 1.45.76; 1.45.78; 1.45.80;
merge ktrace-lwp.

Ignore errors on some rm -rf's for platforms that aren't quite
POSIX compliant
and return errors on r/o source (FreeBSD) for -rf. Fixes PR#25022

When linking, use ${_MKTARGET_LINK} so that MAKEVERBOSE=1 looks right.

branches: 1.42.2;
Fix ofwboot to deal with larger kernels. Rather than loading at
0x6?0000, load at 0xe00000. This gives us room for around 13 MB of
kernel, as opposed to the current 5 MB (0x600000 - 0x100000).

No changes to load-base or real-base are needed due to this change,
though machines that needed specific OFW settings before (OF 1.x
and 2.x) this change still need those settings.

Partially revert revision 1.25 -> 1.26 of ofwboot/Makefile & friends.
We do not need to distinguish between where ofwboot and ofwboot.{elf,xcf}
load; they are both fine loading somewhere other than load-base.

revert previous. -fwritable-strings is not needed now that the ld script
does TRT.

add -fwritable-strings to DBG, so that gcc doesn't generate a ".rodata" section.
I believe this fixes PR port-macppc/23206 and the "ofwboot.xcf issues" reported
on the lists since november.

Convert fixcoff into a true host tool by making it under tools.

Use ${HOST_SH} instead of `sh'.

If necessary, pull in <bsd.sys.mk> to get the definition of HOST_SH;
Makefiles that pull in one of (most of) <bsd.*.mk> will get this anyway.

branches: 1.37.2;
Make this play with gcc 3.3. Add -ffreestanding. Cleanup bootxx.

No need to depend on userland libraries here.

Re-add own alloc(). Recent issues with kernels randomly dying on boot
are related to using libsa's alloc(). Problems go away with this alloc().

The problem is that the libsa alloc() assumes we can grab memory off
the end of the program. That assumption doesn't work for us. It's
much better to use the alloc() we were using as it calls OF_claim()
to get memory.

avoid hardcoding MBR_MAGICOFF and MBR_MAGIC.

branches: 1.33.2; 1.33.4;
Add "cleanlibdir" target.

Set USE_LIBSA_MEMCPY and USE_LIBSA_MEMSET to save a few bytes.

Enable SUPPORT_USTARFS and HAVE_CHANGEDISK_HOOK in CPPFLAGS.

Add back -I. to CPPFLAGS.

Cleanup some flags.

Wrap the generation of machine and powerpc links so they don't happen during
make obj, clean or cleandir as the proper objdir may not be around yet.

Make this work with the dependall target.

Pointed out by Christian Groessle on port-macppc, and patch suggested bu
Izumi Tsutsui.

Check in machinery to make ofwboot load at 600000, while ofwboot.elf
and ofwboot.xcf will load at 640000. The idea is that we can now
leave load-base at 600000, and it will work right for all three methods.

The problem is that the file loader and the net loader use load-base
as a scratch area, so if the executable really wants to load there,
the load fails.

Remove machine/powerpc links on clean as well.

MKfoo=no -> NOfoo

${MAKE} print-objdir -> ${PRINTOBJDIR}

branches: 1.22.4;
objcopy -> ${OBJCOPY}; remove redundant definitions of OBJCOPY?= (it is
now in bsd.own.mk).

branches: 1.21.2;
Add -Wno-main since this is a standalone program.

branches: 1.20.4;
It's hfs.c, not hfs. Add -I${.CURDIR} for objdirs. XXX hfs.c should
be integrated into libsa.

Add hfs support. Currently this layer simply throw the request to the OF
(and the OF recognizes HFS).

make -> ${MAKE}

Move ofwboot to 600000 hex. Should make loading better (less likely to
run into OF internals).

Use libsa alloc().

Add ofwboot.{mrg,xcf} to CLEANFILES.

Make this compile again.

switch to sys/conf/newvers_stand.sh for generation of version file
slighly adjust the Makefile WRT vers.c and SRCS & CLEANFILES

make sure ofwboot.xcf gets installed

branches: 1.11.2;
Squeeze a few more bytes so the INSTALL kernel will fit on a floppy.
Use tlp instead of de. Add in gm[ac]. Remove slip and Gallant 22x12 font.
Compile ofwboot.elf -Os.

branches: 1.10.2;
Use DHCP, not BOOTP. At least with dhcpd, the root path gets dropped due to
lack of space in the reply when using BOOTP.

Move CFLAGS and CPPFLAGS to {bootxx,ofwboot}/Makefile to compile installboot
without -D_STANDALONE.

Clean up the machine symlink stuff ever so slightly. Needs to be
standardized between files.

Now make an ofwboot.xcf, and XCOFF version of ofwboot. Uses the new
fix-coff program.

branches: 1.6.2; 1.6.8;
Install ofwboot.elf in addition to ofwboot. Thanks to Chris for info on how
to do this!

Use MI loadfile().

branches: 1.4.2; 1.4.4;
convert from NOxxx= to MKxxx=no.
include <bsd.own.mk> if testing a MKxxx variable.

Change load address of ofwboot for large (md root) kernel.

Add primary boot (bootxx) and installboot command.

Initial import of macppc port.