COMMONMODULES="nfs fat vfat cramfs loop floppy"
FSMODS="msdos vfat ext3 reiserfs jfs xfs"
IDEMODS="ide-cd"
SCSIMODS="sd_mod sg sr_mod st"
USBMODS="ohci-hcd uhci-hcd hid usb-storage sd_mod sr_mod"
LATEUSBMODS="mousedev usb-storage"
LVMMODS="dm-mod dm-zero dm-snapshot dm-mirror"
RAIDMODS="md raid0 raid1 raid5 raid6"
SECSTAGE="$RAIDMODS $LVMMODS $FSMODS $IDEMODS $SCSIMODS $LATEUSBMODS"
NETMODULES="sungem tg3 ne2k-pci 3c59x 8139too olympic
	   de4x5 acenic pcnet32 tulip natsemi e100 e1000 airport"

SCSIMODULES="$SCSIMODS advansys aic7xxx initio sym53c8xx ipr"
ISERIESMODULES="iseries_veth veth viodasd viocd ipr"

# images we only want on the CD (usually for space reasons)
ISOMODULES="ehci-hcd ieee1394 ohci1394 sbp2"

prepareBootImage() {
    mkdir -p $TOPDESTPATH/ppc/chrp
    mkdir -p $TOPDESTPATH/images
}

makeBootImages() {
    echo "Building boot images for kernel $kernelvers"
    FAKEARCH=""

    if [ "$KERNELARCH" = "ppc64pseries" -o "$KERNELARCH" = "ppc64" ]; then
	echo "Building $KERNELARCH initrd"
	makeinitrd --initrdto $TOPDESTPATH/ppc/chrp/ramdisk.image.gz \
	    --initrdsize 8192 \
	    --loaderbin loader \
	    --modules "$COMMONMODULES $NETMODULES $SCSIMODULES $SCSIMODS $IDEMODS $ISOMODULES $USBMODS =scsi =net"

	mkdir -p $TOPDESTPATH/etc $TOPDESTPATH/ppc/chrp $TOPDESTPATH/images/pseries
	cp $KERNELROOT/boot/vmlinuz-* $TOPDESTPATH/ppc/chrp/vmlinuz
        cp $BOOTDISKDIR/yaboot.conf.pseries $TOPDESTPATH/etc/yaboot.conf
	cp $BOOTDISKDIR/bootinfo.txt $TOPDESTPATH/ppc/bootinfo.txt
	cp $IMGPATH/usr/lib/yaboot/yaboot $TOPDESTPATH/ppc/chrp
	$IMGPATH/usr/lib/yaboot/addnote $TOPDESTPATH/ppc/chrp/yaboot

	if [ -x $IMGPATH/usr/bin/mkzimage ]; then
		pushd $TOPDESTPATH/ppc/chrp
		cp $IMGPATH/usr/share/ppc64-utils/zImage.lds $TOPDESTPATH/ppc/chrp/zImage.lds
		$IMGPATH/usr/bin/mkzimage $KERNELROOT/boot/vmlinuz-partial* $TOPDESTPATH/images/pseries/netboot.img $TOPDESTPATH/ppc/chrp/ramdisk.image.gz 
		rm -f $TOPDESTPATH/ppc/chrp/zImage.lds
		popd
	fi

	# we also want to make a boot.iso here 
	mkdir -p $TOPDESTPATH/isopath/ppc/chrp $TOPDESTPATH/isopath/etc
	cp $TOPDESTPATH/etc/* $TOPDESTPATH/isopath/etc/
	cp $TOPDESTPATH/ppc/chrp/* $TOPDESTPATH/isopath/ppc/chrp
	cp $TOPDESTPATH/ppc/bootinfo.txt $TOPDESTPATH/isopath/ppc/bootinfo.txt

	# FIXME: this assumes the file gets there by magic
	cp $TOPDESTPATH/boot_image $TOPDESTPATH/isopath/boot_image
	mkisofs -quiet -generic-boot $TOPDESTPATH/isopath/boot_image -A "$PRODUCT $VERSION" -V "PBOOT" -J -R -T -allow-multidot -l -o $TOPDESTPATH/images/pseries/boot.iso $TOPDESTPATH/isopath
	rm -rf $TOPDESTPATH/isopath/
	
	cat > $TOPDESTPATH/images/pseries/README <<EOF
The files in this directory are for use in booting a pSeries 
machine.  They are as follows:
boot.iso - A bootable CD-ROM image for starting an installation on pSeries
netboot.img - A network boot image for starting an installation on pSeries

Images for installing on an iSeries machine can be found in the ppc/iSeries
directory.
EOF
    elif [ "$KERNELARCH" = "ppc64iseries" ]; then
	mkdir -p $TOPDESTPATH/ppc/iSeries

	echo "Building iSeries initrd"
	makeinitrd --initrdto $TOPDESTPATH/ppc/iSeries/ramdisk.image.gz \
	    --initrdsize 8192 \
	    --loaderbin loader \
	    --modules "$COMMONMODULES $NETMODULES $SCSIMODULES $IDEMODS $ISOMODULES $ISERIESMODULES =scsi =net"

	cp $KERNELROOT/boot/vmlinuz-* $TOPDESTPATH/ppc/iSeries/vmlinux
	cp $KERNELROOT/boot/System.map-* $TOPDESTPATH/ppc/iSeries/System.map

	$IMGPATH/usr/sbin/addSystemMap $TOPDESTPATH/ppc/iSeries/System.map $TOPDESTPATH/ppc/iSeries/vmlinux $TOPDESTPATH/ppc/iSeries/vmlinux.sm
	$IMGPATH/usr/sbin/addRamDisk $TOPDESTPATH/ppc/iSeries/ramdisk.image.gz $TOPDESTPATH/ppc/iSeries/System.map $TOPDESTPATH/ppc/iSeries/vmlinux.sm $TOPDESTPATH/ppc/iSeries/boot.img
	rm -f $TOPDESTPATH/ppc/iSeries/vmlinux.sm
    elif [ "$KERNELARCH" = "ppc" ]; then
	FAKEARCH="ppc"
	mkdir -p $TOPDESTPATH/ppc/mac $TOPDESTPATH/images/mac

        echo "Building ppc initrd"
        makeinitrd --initrdto $TOPDESTPATH/ppc/mac/ramdisk.image.gz \
            --initrdsize 8192 \
            --loaderbin loader \
            --modules "$COMMONMODULES $NETMODULES $SCSIMODULES $SCSIMODS $IDEMODS $ISOMODULES $USBMODS =scsi =net"

        mkdir -p $TOPDESTPATH/ppc/mac
        cp $KERNELROOT/boot/vmlinuz-* $TOPDESTPATH/ppc/mac/vmlinuz
        cp $BOOTDISKDIR/yaboot.conf.mac $TOPDESTPATH/ppc/mac/yaboot.conf
        cp $BOOTDISKDIR/ofboot.b $TOPDESTPATH/ppc/mac/ofboot.b
        cp $IMGPATH/usr/lib/yaboot/yaboot $TOPDESTPATH/ppc/mac/

        # we also want to make a boot.iso here 
        mkdir -p $TOPDESTPATH/isopath/ppc/mac
        cp $TOPDESTPATH/ppc/mac/* $TOPDESTPATH/isopath/ppc/mac/

        # Create the boot.iso
	mkisofs -quiet -o $TOPDESTPATH/images/mac/boot.iso -part -hfs -T -r -l -J -A "$PRODUCT $VERSION" -sysid PPC -V "PBOOT" -volset "$VERSION" -volset-size 1 -volset-seqno 1 -hfs-volid "$VERSION" -hfs-bless "$TOPDESTPATH/isopath/ppc/mac" -map $BOOTDISKDIR/mapping -magic $BOOTDISKDIR/magic -no-desktop -allow-multidot $TOPDESTPATH/isopath
        rm -rf $TOPDESTPATH/isopath/
    else
        echo "Unknown kernel arch: $KERNELARCH"
    fi
}

makeSecondStage() {
    makeinstimage "netstg" "$SECSTAGE $SCSIMODULES $IDEMODS =scsi"
    makeinstimage "hdstg" "$SECSTAGE $NETMODULES $IDEMODS =net"
    makemainmodules "$SECSTAGE $NETMODULES $SCSIMODULES $IDEMODS =scsi =net"
    makemainimage "stage2" "cramfs"
}