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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.hp300,v 1.40 2007/07/30 16:23:33 thib Exp $
#	$NetBSD: Makefile.hp300,v 1.54 1997/04/01 23:16:41 scottr Exp $

# Makefile for OpenBSD
#
# This makefile is constructed from a machine description:
#	config machineid
# Most changes should be made in the machine description
#	/sys/arch/hp300/conf/``machineid''
# after which you should do
#	config machineid
# Machine generic makefile changes should be made in
#	/sys/arch/hp300/conf/Makefile.hp300
# after which config should be rerun for all machines of that type.
#
# N.B.: NO DEPENDENCIES ON FOLLOWING FLAGS ARE VISIBLE TO MAKEFILE
#	IF YOU CHANGE THE DEFINITION OF ANY OF THESE RECOMPILE EVERYTHING
#
# -DTRACE	compile in kernel tracing hooks
# -DQUOTA	compile in file system quotas

# DEBUG is set to -g if debugging.
# PROF is set to -pg if profiling.

.include <bsd.own.mk>

MKDEP?=	mkdep
SIZE?=	size
STRIP?=	strip

# source tree is located via $S relative to the compilation directory
.ifndef S
S!=	cd ../../../..; pwd
.endif
HP300=	$S/arch/hp300
M68K=	$S/arch/m68k

INCLUDES=	-I. -I$S -I$S/arch -nostdinc
CPPFLAGS=	${INCLUDES} ${IDENT} ${PARAM} -D_KERNEL \
		-Dmc68020 -Dhp300
CWARNFLAGS=	-Werror -Wall -Wstrict-prototypes -Wmissing-prototypes \
		-Wno-uninitialized -Wno-format -Wno-main \
		-Wstack-larger-than-2047
CMACHFLAGS=	-msoft-float -fno-builtin-printf -fno-builtin-log
.if ${IDENT:M-DNO_PROPOLICE}
CMACHFLAGS+=	-fno-stack-protector
.endif
COPTS?=		-O2
CFLAGS=		${DEBUG} ${COPTS} ${CWARNFLAGS} ${CMACHFLAGS} ${PIPE}
AFLAGS=		-x assembler-with-cpp -traditional-cpp -D_LOCORE
LINKFLAGS=	-n -Ttext 0 -e start
STRIPFLAGS=	-d

HOSTCC?=	${CC}
HOSTED_CPPFLAGS=${CPPFLAGS:S/^-nostdinc$//}
HOSTED_CFLAGS=	${CFLAGS}

### CPU and MMU configuration

.if (${IDENT:M-DHP320} != "" || ${IDENT:M-DHP350} != "")
_OPTIONS+=	-DM68020 -DM68K_MMU_HP
CPPFLAGS+=	-DCACHE_HAVE_VAC
.endif
.if (${IDENT:M-DHP330} != "")
_OPTIONS+=	-DM68020 -DM68K_MMU_MOTOROLA
.endif
.if (${IDENT:M-DHP340} != "" || ${IDENT:M-DHP360} != "" || \
     ${IDENT:M-DHP362} != "")
_OPTIONS+=	-DM68030 -DM68K_MMU_MOTOROLA
.endif
.if (${IDENT:M-DHP345} != "" || ${IDENT:M-DHP370} != "" || \
     ${IDENT:M-DHP375} != "" || ${IDENT:M-DHP400} != "")
_OPTIONS+=	-DM68030 -DM68K_MMU_MOTOROLA
CPPFLAGS+=	-DCACHE_HAVE_PAC
.endif
.if (${IDENT:M-DHP380} != "" || ${IDENT:M-DHP382} != "" || \
     ${IDENT:M-DHP385} != "" || ${IDENT:M-DHP425} != "" || \
     ${IDENT:M-DHP433} != "")
_OPTIONS+=	-DM68K_MMU_MOTOROLA
CPPFLAGS+=	-DM68040 -DFPSP
.endif
.if ${_OPTIONS:M-DM68020} != ""
CPPFLAGS+=	-DM68020
.endif
.if ${_OPTIONS:M-DM68030} != ""
CPPFLAGS+=	-DM68030
.endif
.if ${_OPTIONS:M-DM68K_MMU_HP} != ""
CPPFLAGS+=	-DM68K_MMU_HP
.endif
.if ${_OPTIONS:M-DM68K_MMU_MOTOROLA} != ""
CPPFLAGS+=	-DM68K_MMU_MOTOROLA
.endif

### find out what to use for libkern
.include "$S/lib/libkern/Makefile.inc"
.ifndef PROF
LIBKERN=	${KERNLIB}
.else
LIBKERN=	${KERNLIB_PROF}
.endif

### find out what to use for libcompat
.include "$S/compat/common/Makefile.inc"
.ifndef PROF
LIBCOMPAT=	${COMPATLIB}
.else
LIBCOMPAT=	${COMPATLIB_PROF}
.endif

### for the Motorola 68040 Floating Point Software Product
.include "${M68K}/fpsp/Makefile.inc"

# compile rules: rules are named ${TYPE}_${SUFFIX} where TYPE is NORMAL or
# HOSTED}, and SUFFIX is the file suffix, capitalized (e.g. C for a .c file).

NORMAL_C=	${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $<
NORMAL_S=	${CC} ${AFLAGS} ${CPPFLAGS} -c $<

HOSTED_C=	${HOSTCC} ${HOSTED_CFLAGS} ${HOSTED_CPPFLAGS} -c $<

%OBJS

%CFILES

#%SFILES

# load lines for config "xxx" will be emitted as:
# xxx: ${SYSTEM_DEP} swapxxx.o
#	${SYSTEM_LD_HEAD}
#	${SYSTEM_LD} swapxxx.o
#	${SYSTEM_LD_TAIL}
SYSTEM_OBJ=	locore.o ${FPSP} \
		param.o ioconf.o ${OBJS} ${LIBKERN} ${LIBCOMPAT}
SYSTEM_DEP=	Makefile ${SYSTEM_OBJ}
SYSTEM_LD_HEAD=	@rm -f $@
SYSTEM_LD=	@echo ${LD} ${LINKFLAGS} -o $@ '$${SYSTEM_OBJ}' vers.o; \
		${LD} ${LINKFLAGS} -o $@ ${SYSTEM_OBJ} vers.o
SYSTEM_LD_TAIL=	@${SIZE} $@; chmod 755 $@

DEBUG?=
.if ${DEBUG} == "-g"
LINKFLAGS+=	-X
SYSTEM_LD_TAIL+=; \
		echo cp $@ $@.gdb; rm -f $@.gdb; cp $@ $@.gdb; \
		echo ${STRIP} ${STRIPFLAGS} $@; ${STRIP} ${STRIPFLAGS} $@
.else
LINKFLAGS+=	-S
.endif

%LOAD

assym.h: $S/kern/genassym.sh \
	 ${M68K}/m68k/genassym.cf ${HP300}/hp300/genassym.cf Makefile
	cat ${M68K}/m68k/genassym.cf ${HP300}/hp300/genassym.cf | \
	    sh $S/kern/genassym.sh ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} \
	    > assym.h.tmp && \
	mv -f assym.h.tmp assym.h

param.c: $S/conf/param.c
	rm -f param.c
	cp $S/conf/param.c .

param.o: param.c Makefile
	${NORMAL_C}

ioconf.o: ioconf.c
	${NORMAL_C}

newvers: ${SYSTEM_DEP} ${SYSTEM_SWAP_DEP}
	sh $S/conf/newvers.sh
	${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c vers.c


clean::
	rm -f eddep *bsd bsd.gdb tags *.[io] [a-z]*.s \
	    [Ee]rrs linterrs makelinks assym.h

lint:
	@lint -hbxncez -DGENERIC -Dvolatile= ${CPPFLAGS} -UKGDB \
	    ${CFILES} ioconf.c param.c | \
	    grep -v 'static function .* unused'

tags:
	@echo "see $S/kern/Makefile for tags"

links:
	egrep '#if' ${CFILES} | sed -f $S/conf/defines | \
	  sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink
	echo ${CFILES} | tr -s ' ' '\12' | sed 's/\.c/.o/' | \
	  sort -u | comm -23 - dontlink | \
	  sed 's,../.*/\(.*.o\),rm -f \1; ln -s ../GENERIC/\1 \1,' > makelinks
	sh makelinks && rm -f dontlink

SRCS=	${HP300}/hp300/locore.s \
	param.c ioconf.c ${CFILES} ${SFILES}
depend:: .depend
.depend: ${SRCS} assym.h param.c
	${MKDEP} ${AFLAGS} ${CPPFLAGS} ${HP300}/hp300/locore.s
	${MKDEP} -a ${CFLAGS} ${CPPFLAGS} param.c ioconf.c ${CFILES}
	-if test -n "${SFILES}"; then \
		${MKDEP} -a ${AFLAGS} ${CPPFLAGS} ${SFILES}; \
	fi
	sh $S/kern/genassym.sh ${MKDEP} -f assym.dep ${CFLAGS} \
	    ${CPPFLAGS} < ${HP300}/hp300/genassym.cf
	@sed -e 's/.*\.o:.* /assym.h: /' < assym.dep >> .depend
	@rm -f assym.dep

# depend on root or device configuration
autoconf.o conf.o: Makefile

# depend on network or filesystem configuration
uipc_proto.o vfs_conf.o: Makefile

# depend on maxusers
assym.h machdep.o: Makefile

# depend on CPU configuration
dma.o hpux_machdep.o locore.o machdep.o pmap.o pmap_boostrap.o sys_machdep.o trap.o: Makefile


locore.o: ${HP300}/hp300/locore.s assym.h
	${NORMAL_S}

# The install target can be redefined by putting a
# install-kernel-${MACHINE_NAME} target into /etc/mk.conf
MACHINE_NAME!=  uname -n
install: install-kernel-${MACHINE_NAME}
.if !target(install-kernel-${MACHINE_NAME}})
install-kernel-${MACHINE_NAME}:
	rm -f /obsd
	ln /bsd /obsd
	cp bsd /nbsd
	mv /nbsd /bsd
.endif

%RULES