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Import of OpenBSD 4.2 release kernel tree with initial code to support 
Jornada 720/728, StrongARM 1110-based handheld PC.
At this point kernel roots on NFS and boots into vfs_mountroot() and traps.
What is supported:
- glass console, Jornada framebuffer (jfb) works in 16bpp direct color mode
(needs some palette tweaks for non black/white/blue colors, i think)
- saic, SA11x0 interrupt controller (needs cleanup)
- sacom, SA11x0 UART (supported only as boot console for now)
- SA11x0 GPIO controller fully supported (but can't handle multiple interrupt
handlers on one gpio pin)
- sassp, SSP port on SA11x0 that attaches spibus
- Jornada microcontroller (jmcu) to control kbd, battery, etc throught
the SPI bus (wskbd attaches on jmcu, but not tested)
- tod functions seem work
- initial code for SA-1111 (chip companion) : this is TODO

Next important steps, i think:
- gpio and intc on sa1111
- pcmcia support for sa11x0 (and sa1111 help logic)
- REAL root on nfs when we have PCMCIA support (we may use any of supported pccard NICs)
- root on wd0! (using already supported PCMCIA-ATA)

#	$OpenBSD: Makefile.inc,v 1.7 2002/04/29 01:02:28 hugh Exp $
#	$NetBSD: Makefile.inc,v 1.2 1997/01/23 22:29:09 cgd Exp $
#
#	Configuration variables (default values are below):
#
#	S	must be set to the top of the 'sys' tree.
#	ZDST	may be set to the location of the directory where library
#		objects are to be built.  Defaults to ${.OBJDIR}/lib/z.
#	Z_AS	may be set to 'obj' to build a object from the library's
#		object files.  (Otherwise, a library will be built.)
#		Defaults to 'library'.
#	ZMISCMAKEFLAGS
#		Miscellaneous flags to be passed to the library's Makefile when
#		building.  See library's Makefile for more details about
#		supported flags and their default values.

# Default values:
ZDST?=		${.OBJDIR}/lib/z
Z_AS?=		library

ZDIR=		$S/lib/libz
.if (${Z_AS} == "obj")
ZLIB=		${ZDST}/libz.o
ZLIB_PROF=	${ZDST}/libz.po
.else
ZLIB=		${ZDST}/libz.a
ZLIB_PROF=	${ZDST}/libz_p.a
.endif

ZMAKE= \
	cd ${ZDIR} && MAKEOBJDIR=${ZDST} ${MAKE} \
	    CC="${CC}" CFLAGS="${CFLAGS}" \
	    AS=${AS} AFLAGS="${AFLAGS}" \
	    LD=${LD} STRIP=${STRIP} \
	    MACHINE=${MACHINE} MACHINE_ARCH=${MACHINE_ARCH} \
	    ZCPPFLAGS="${CPPFLAGS:S@^-I.@-I../../.@g}" \
	    ${ZMISCMAKEFLAGS}

${ZLIB}:		.NOTMAIN __always_make_zlib
	@echo making sure the z library is up to date...
.if (${Z_AS} == "library")
	${ZMAKE} libz.a
.else
	@${ZMAKE} libz.o
.endif

${ZLIB_PROF}:		.NOTMAIN __always_make_zlib
	@echo making sure the profiled z library is up to date...
.if (${Z_AS} == "library")
	@${ZMAKE} libz_p.a
.else
	@${ZMAKE} libz.po
.endif

clean::			.NOTMAIN cleanzlib
cleanzlib:		.NOTMAIN __always_make_zlib
	@echo cleaning the z library objects
	@${ZMAKE} clean
	-rmdir -p ${ZDST}

cleandir:		.NOTMAIN cleandirzlib
cleandirzlib:		.NOTMAIN __always_make_zlib
	@echo cleandiring the z library objects
	@${ZMAKE} cleandir
	-rmdir -p ${ZDST}

depend::		.NOTMAIN dependzlib
dependzlib:		.NOTMAIN __always_make_zlib
	@echo depending the z library objects
	@${ZMAKE} depend

__always_make_zlib:	.NOTMAIN
	-mkdir -p ${ZDST}