やっと自力で作ることが出来たが:

===> Kernels built from UCONS:
  /export/20070526/checkout/src/sys/arch/ps3/compile/UCONS/netbsd
===> build.sh ended:   Sun Jul  1 17:25:39 JST 2007
===> Summary of results:
         build.sh command: ./build.sh -m ps3 -a powerpc64 -T 
		/export/20070526/checkout/src/tooldir.NetBSD-4.99.9-powerpc kernel=UCONS
         build.sh started: Sun Jul  1 17:19:16 JST 2007
         NetBSD version:   4.99.20
         MACHINE:          ps3
         MACHINE_ARCH:     powerpc64
         Build platform:   NetBSD 4.99.9 macppc
         HOST_SH:          /bin/sh
         TOOLDIR path:     /export/20070526/checkout/src/tooldir.NetBSD-4.99.9-powerpc
         DESTDIR path:     /export/20070526/checkout/src/obj/destdir.ps3
         RELEASEDIR path:  /export/20070526/checkout/src/obj/releasedir
         makewrapper:      /export/20070526/checkout/src/tooldir.NetBSD-4.99.9-powerpc/bin/nbmake-ps3
         Updated /export/20070526/checkout/src/tooldir.NetBSD-4.99.9-powerpc/bin/nbmake-ps3
         Building kernel without building new tools
         Building kernel:  UCONS
         Build directory:  /export/20070526/checkout/src/sys/arch/ps3/compile/UCONS
         Kernels built from UCONS:
          /export/20070526/checkout/src/sys/arch/ps3/compile/UCONS/netbsd
         build.sh ended:   Sun Jul  1 17:25:39 JST 2007
===> .
315.493u 70.664s 6:26.07 100.0% 0+0k 110+4489io 0pf+1w

(画面の写し)

kboot: tftp://example.com/ps3/netbsd-4.99.20
get memory ranges:1
Modified cmdline:root=LABEL=/
segment[0].mem:0x17e6000 memsz:6414336
segment[1].mem:0x1e04000 memsz:16384
segment[2].mem:0x7bff000 memsz:4096
VUArt: cleanup.
SYSMGR: cleanup. (close event mask)

続き (port-powerpc-ja)