This is what I've been using to generate ppc64 boot images for G5.
Comments welcome. I guess we could use a single boot.iso for 32/64 bit, I think this is what yellowdog use - I think possibly there CHRP script detects if it is 32 or 64 bit machine (probably by doing some device tree walking)
Paul
Index: mk-images.ppc
===================================================================
RCS file: /usr/local/CVS/anaconda/scripts/mk-images.ppc,v
retrieving revision 1.26
diff -u -r1.26 mk-images.ppc
--- mk-images.ppc 4 Jun 2004 16:45:10 -0000 1.26
+++ mk-images.ppc 5 Jul 2004 11:43:30 -0000
@@ -80,6 +80,31 @@
$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" = "ppc64" ]; then
+ FAKEARCH="ppc"
+ mkdir -p $TOPDESTPATH/ppc64/mac $TOPDESTPATH/images/mac
+
+ echo "Building ppc64 initrd"
+ makeinitrd --initrdto $TOPDESTPATH/ppc64/mac/ramdisk.image.gz \
+ --initrdsize 8192 \
+ --loaderbin loader \
+ --modules "$COMMONMODULES $NETMODULES $SCSIMODULES $SCSIMODS $IDEMODS $ISOMODULES $USBMODS =scsi =net"
+
+ mkdir -p $TOPDESTPATH/ppc64/mac
+ cp $KERNELROOT/boot/vmlinuz-* $TOPDESTPATH/ppc64/mac/vmlinuz
+ cp $BOOTDISKDIR/yaboot.conf.mac $TOPDESTPATH/ppc64/mac/yaboot.conf
+ perl -pi -e 's/ppc/ppc64/g' $TOPDESTPATH/ppc64/mac/yaboot.conf
+ cp $BOOTDISKDIR/ofboot.b $TOPDESTPATH/ppc64/mac/ofboot.b
+ cp $IMGPATH/usr/lib/yaboot/yaboot $TOPDESTPATH/ppc64/mac/
+
+ # we also want to make a boot.iso here
+ mkdir -p $TOPDESTPATH/isopath/ppc64/mac
+ cp $TOPDESTPATH/ppc64/mac/* $TOPDESTPATH/isopath/ppc64/mac/
+
+ # Create the boot.iso
+ mkisofs -o $TOPDESTPATH/images/mac/boot64.iso -part -hfs -T -r -l -J -A "$PRODUCT $VERSION" -sysid PPC -V "PBOOT" -volset "$VERSION" -volset-size 2 -volset-seqno 1 -hfs-volid "$VERSION" -hfs-bless "$TOPDESTPATH/isopath/ppc64/mac" -map $BOOTDISKDIR/mapping -magic $BOOTDISKDIR/magic -no-desktop -allow-multidot $TOPDESTPATH/isopath
+ rm -rf $TOPDESTPATH/isopath/
+
elif [ "$KERNELARCH" = "ppc" ]; then
FAKEARCH="ppc"
mkdir -p $TOPDESTPATH/ppc/mac $TOPDESTPATH/images/mac
