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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,v 1.2 2006/10/30 18:28:57 jmc Exp $

MAN=	boot.8
MANSUBDIR=hppa64
MLINKS=	boot.8 boot.conf.5
S	=${.CURDIR}/../../../..
CLEANFILES+=	boot.gdb boot.map boot.lif

.if ${MACHINE} == "hppa64"
PROG=	boot
SRCS=	srt0.S exec.c boot.c cmd.c vars.c bootarg.c conf.c
LD?=	ld
LDFLAGS+=-Bstatic -nostartfiles -nostdlib -N -Ttext $(LINKADDR)
LDFLAGS+=-T ${.CURDIR}/ld.script -Map boot.map
LDFLAGS+=--warn-constructors --warn-common
SIZE?=	size
STRIP?=	strip
STANDIR=${.CURDIR}/..
CRTBEGIN=
CRTEND=
LINKS=	${BINDIR}/boot.lif ${BINDIR}/sdboot \
	${BINDIR}/boot.lif ${BINDIR}/stboot \
	${BINDIR}/boot.lif ${BINDIR}/xxboot

LDADD=	${LIBSA} ${LIBZ} ${LIBKERN}
DPADD=	${LIBSA} ${LIBZ} ${LIBKERN}

.PATH:	${S}/stand/boot

all:	boot.lif

realinstall:
	${INSTALL} ${INSTALL_COPY} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE} \
	    boot ${DESTDIR}${BINDIR}
	${INSTALL} ${INSTALL_COPY} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE} \
	    boot.lif ${DESTDIR}${BINDIR}

.if exists(${.CURDIR}/../../compile/GENERIC/bsd)
bsd: ${.CURDIR}/../../compile/GENERIC/bsd
	gzip -9 -c ${.CURDIR}/../../compile/GENERIC/bsd > bsd
ADDBOOT+=bsd
.endif

# probably we should check for 256k limit for ISL
boot.lif:	${PROG} ${ADDBOOT}
	-@cp ${PROG} ${PROG}.gdb
	${STRIP} ${PROG}
	${MKBOOT} -v ${PROG} ${ADDBOOT} boot.lif

${PROG}: $(OBJS) $(DPADD)
	$(LD) $(LDFLAGS) -o $(PROG) $(OBJS) $(LDADD)
	@${SIZE} $(PROG)
.else
NOPROG=
.endif

.include <bsd.prog.mk>

CPPFLAGS+=${DEBUGFLAGS} -DRELOC=${LOADADDR} -DHEAP_LIMIT=${HEAP_LIMIT}
CFLAGS+=$(SACFLAGS)