Damn,
forgot to attach the files, here they are.
Friendly,
Sven Luther
#!/bin/sh
# usage information
usage() {
echo 'usage:'
echo ' -o <output> - path to output file for compressed kernel image'
echo ' -a <arch> - PowerPC sub-architecture'
echo ' -k <kernel> - path to kernel image file in ELF format'
echo ' -s <sysmap> - path to System.map file'
echo ' -i <initrd> - path to initrd image file in uncompressed format'
echo ' -d <objdir> - path to directory with additional object files'
echo ' -r <release> - kernel release number'
echo ' -z - assume the initrd image file is already compressed'
echo ' -q - quiet operation (do not indicate progress)'
echo ' -v - verbose operation (print commands)'
exit 0
}
# echo a shell command if desired, and execute it
do_cmd() {
test -z "$verbose" || echo $@; eval $@
return
}
# parse command line
while getopts o:k:s:i:d:r:a:zqv option; do
case "$option" in
o) output=$OPTARG ;;
k) kernel=$OPTARG ;;
s) sysmap=$OPTARG ;;
i) initrd=$OPTARG ;;
d) objdir=$OPTARG ;;
r) release=$OPTARG ;;
a) arch=$OPTARG ;;
z) compressed="Yes" ;;
q) quiet="Yes" ;;
v) verbose="Yes" ;;
*) usage; exit 0 ;;
esac
done
# use non-option arguments as release version and kernel image file if needed
shift $((OPTIND-1))
if test -z "$release" -a -n "$1"; then
release=$1
fi
if test -z "$kernel" -a -n "$2"; then
kernel=$2
fi
# if no sub-architecture was specified, read it from /proc
if test -z "$arch"; then
case $(grep ^machine /proc/cpuinfo) in
*PReP*) arch=prep ;;
*CHRP*) arch=chrp ;;
*Amiga) arch=amiga ;;
*iSeries) arch=iseries ;;
*)
case $(grep ^pmac-generation /proc/cpuinfo) in
*NewWorld) arch=newworld ;;
*OldWorld) arch=coff ;;
esac
;;
esac
fi
test -n "$quiet" || echo === Building for sub-architecture $arch.
# if no kernel was specified, try to find one
if test -z "$kernel"; then
# guess the location of a kernel
if kernel=/boot/vmlinux-$release; test -n "$release" -a -r $kernel; then
:
elif kernel=/vmlinux; test -r $kernel; then
:
elif kernel=/boot/vmlinux; test -r $kernel; then
:
elif kernel=/boot/vmlinux-$(uname -r); test -r $kernel; then
:
else
kernel=""
fi
# we couldn't find a kernel, and therefore give up
if test -z "$kernel"; then
echo Could not find a kernel image file, please specify one.
exit 1
fi
# sanitize the location of the kernel
kernel=$(readlink -f $kernel)
fi
test -n "$quiet" || echo === Using kernel image file $kernel.
# if no initrd was specified, try to find one that goes with the kernel
if test -z "$initrd"; then
# guess the location of an initrd, but don't try too hard
if initrd=${kernel/vmlinux/initrd.img}; test -r $initrd; then
:
else
initrd=""
fi
# sanitize the location of the initrd
if test -n "$initrd"; then
initrd=$(readlink -f $initrd)
fi
fi
test -n "$quiet" -a -n "$initrd" || echo === Using initrd image file $initrd.
# if no release was specified, extract it from the kernel image name
if test -z "$release"; then
release=$(echo $kernel | sed s/.*vmlinux-//)
if echo $release | grep -q '2\.[46]\.[0-9]*'; then
:
else
release=""
fi
fi
test -n "$quiet" || echo === Release version seems to be $release.
# if no object file directory was specified, try to find one
if test -z "$objdir"; then
# try a default location first, then use the current directory
if objdir=/usr/lib/kernel-image-$release; test -d $objdir; then
:
else
objdir=$PWD
fi
fi
test -n "$quiet" || echo === Using object files from $objdir.
# if no output file was specified, source the configuration file
if test -z "$output" -a -r /etc/mkvmlinuz/output; then
. /etc/mkvmlinuz/output
fi
# we absolutely need an output file, and won't attempt guesses
if test -z "$output"; then
echo Please specify an output file.
exit 1
fi
test -n "$quiet" || echo === Building a bootable compressed kernel image in
$output.
# create a work directory
work=$(mktemp -d)
test -n "$quiet" || echo === Doing build in $work.
# utilities
ADDNOTE=$objdir/utils/addnote
HACKOFF=$objdir/utils/hack-coff
MKNOTE=$objdir/utils/mknote
MKPREP=$objdir/utils/mkprep
MKBUGBOOT=$objdir/utils/mkbugboot
LD=ld
OBJCOPY=objcopy
GZIP="--force --best"
# libraries and common object files
libs=$objdir/lib
of_objs=$objdir/obj/openfirmware
simple_objs=$objdir/obj/simple
OBJS="$of_objs/start.o $of_objs/misc.o $of_objs/common.o $of_objs/${arch}main.o"
SIMPLE_OBJS="$simple_objs/head.o $simple_objs/relocate.o $simple_objs/legacy.o
$simple_objs/misc.o $simple_objs/misc-prep.o $simple_objs/mpc10x_memory.o"
case $arch in
prep)
dummy=$objdir/obj/simple/dummy.o
OBJCOPY_ARGS="-O elf32-powerpc"
LIBS="$libs/common.a $libs/ppc.a $libs/of.a"
;;
coff|inewworld|chrp)
dummy=$objdir/obj/openfirmware/dummy.o
LIBS="$libs/lib.a $libs/ppc.a $libs/of.a $libs/common.a"
;;
esac
# off we go...
# create the compressed kernel image file
test -n "$quiet" || echo === Creating compressed kernel image vmlinux.gz...
do_cmd $OBJCOPY -O binary $kernel $work/vmlinux
do_cmd gzip $work/vmlinux
# create the compressed initrd image file
if test -n "$initrd"; then
test -n "$quiet" || echo === Creating compressed initrd image initrd.gz...
if test -n "$compressed"; then
do_cmd cp -p $initrd $work/initrd.gz
else
do_cmd cp -p $initrd $work/initrd
do_cmd gzip $work/initrd
fi
fi
# create the raw ELF image file
test -n "$quiet" || echo === Putting everything into ELF image file image.o...
do_cmd $OBJCOPY $OBJCOPY_ARGS -R .comment $dummy $work/image.o
do_cmd $OBJCOPY $OBJCOPY_ARGS $work/image.o $work/image.o \
--add-section=.image=$work/vmlinux.gz \
--set-section-flags=.image=contents,alloc,load,readonly,data
if test -n "$sysmap"; then
do_cmd $OBJCOPY $OBJCOPY_ARGS $work/image.o $work/image.o \
--add-section=.sysmap=$sysmap \
--set-section-flags=.sysmap=contents,alloc,load,readonly,data
fi
if test -n "$initrd"; then
do_cmd $OBJCOPY $OBJCOPY_ARGS $work/image.o $work/image.o \
--add-section=.ramdisk=$work/initrd.gz \
--set-section-flags=.ramdisk=contents,alloc,load,readonly,data
fi
# link everything into the final image file and make it bootable
vmlinuz=$work/vmlinuz.$arch
LD_ARGS="-T $objdir/boot/ld.script"
OF_LD_ARGS="$LD_ARGS -e _start"
OBJCOPY_ARGS="$OBJCOPY_ARGS -R .comment"
test -n "$quiet" || echo === Creating bootable kernel image file
vmlinuz.$arch...
case $arch in
chrp)
LD_ARGS="$OF_LD_ARGS -Ttext 0x00800000"
do_cmd $LD -o $vmlinuz $LD_ARGS $of_objs/crt0.o $OBJS $work/image.o
$LIBS
do_cmd $OBJCOPY $OBJCOPY_ARGS $vmlinuz $vmlinuz
do_cmd cp -p $objdir/boot/note $work
do_cmd $ADDNOTE $vmlinuz
;;
coff)
LD_ARGS="$OF_LD_ARGS -Ttext 0x00500000 -Bstatic"
OBJCOPY_ARGS="-O aixcoff-rs6000 -R .stab -R .stabstr $OBJCOPY_ARGS"
do_cmd $LD -o $vmlinuz $LD_ARGS $of_objs/coffcrt0.o $OBJS $work/image.o
$LIBS
do_cmd $OBJCOPY $OBJCOPY_ARGS $vmlinuz $vmlinuz
do_cmd $HACKOFF $vmlinuz
;;
newworld)
LD_ARGS="$OF_LD_ARGS -Ttext 0x01000000"
OBJCOPY_ARGS="--add-section=.note=$work/note $OBJCOPY_ARGS"
do_cmd $LD -o $vmlinuz $LD_ARGS $of_objs/crt0.o $OBJS $LIBS
$work/image.o
do_cmd $MKNOTE > $work/note
do_cmd $OBJCOPY $OBJCOPY_ARGS $vmlinuz $vmlinuz
;;
prep)
# TODO: 0x00800000 should be configurable (set by CONFIG_BOOT_LOADER)
LD_ARGS="$LD_ARGS -Ttext 0x00800000 -Bstatic"
OBJCOPY_ARGS="$OBJCOPY_ARGS -R .stab -R .stabstr -R .sysmap"
do_cmd $LD -o $vmlinuz $LD_ARGS $SIMPLE_OBJS $work/image.o $LIBS
do_cmd $OBJCOPY $OBJCOPY_ARGS $vmlinuz $vmlinuz
# TODO: Do we really need MKBUGBOOT ?
do_cmd $MKBUGBOOT $vmlinuz $vmlinuz.bugboot
do_cmd $MKPREP -pbp $vmlinuz $vmlinuz
;;
*)
echo Sorry, I do not know how to handle PowerPC sub-architecture $arch.
esac
# move bootable kernel image to its final location
if test -e $vmlinuz; then
test -n "$quiet" || echo === Moving bootable kernel image file to $output...
if test -e $output; then
echo Output file $output exists, attempting to back it up...
mv $output $output.old 2> /dev/null
fi
cat $vmlinuz > $output
fi
# clean up
test -n "$quiet" || echo === Cleaning up...
rm -rf $work
--- mkvmlinuz-6 2004-07-07 11:25:08.000000000 +0200
+++ mkvmlinuz 2004-07-08 13:56:34.898137576 +0200
@@ -162,6 +162,8 @@
ADDNOTE=$objdir/utils/addnote
HACKOFF=$objdir/utils/hack-coff
MKNOTE=$objdir/utils/mknote
+MKPREP=$objdir/utils/mkprep
+MKBUGBOOT=$objdir/utils/mkbugboot
LD=ld
OBJCOPY=objcopy
@@ -169,9 +171,21 @@
# libraries and common object files
libs=$objdir/lib
-LIBS="$libs/lib.a $libs/ppc.a $libs/of.a $libs/common.a"
-objs=$objdir/obj
-OBJS="$objs/start.o $objs/misc.o $objs/common.o $objs/${arch}main.o"
+of_objs=$objdir/obj/openfirmware
+simple_objs=$objdir/obj/simple
+OBJS="$of_objs/start.o $of_objs/misc.o $of_objs/common.o
$of_objs/${arch}main.o"
+SIMPLE_OBJS="$simple_objs/head.o $simple_objs/relocate.o $simple_objs/legacy.o
$simple_objs/misc.o $simple_objs/misc-prep.o $simple_objs/mpc10x_memory.o"
+case $arch in
+ prep)
+ dummy=$objdir/obj/simple/dummy.o
+ OBJCOPY_ARGS="-O elf32-powerpc"
+ LIBS="$libs/common.a $libs/ppc.a $libs/of.a"
+ ;;
+ coff|inewworld|chrp)
+ dummy=$objdir/obj/openfirmware/dummy.o
+ LIBS="$libs/lib.a $libs/ppc.a $libs/of.a $libs/common.a"
+ ;;
+esac
# off we go...
@@ -193,49 +207,59 @@
# create the raw ELF image file
test -n "$quiet" || echo === Putting everything into ELF image file image.o...
-do_cmd $OBJCOPY -R .comment $objdir/obj/dummy.o $work/image.o
-do_cmd $OBJCOPY $work/image.o $work/image.o \
+do_cmd $OBJCOPY $OBJCOPY_ARGS -R .comment $dummy $work/image.o
+do_cmd $OBJCOPY $OBJCOPY_ARGS $work/image.o $work/image.o \
--add-section=.image=$work/vmlinux.gz \
--set-section-flags=.image=contents,alloc,load,readonly,data
if test -n "$sysmap"; then
- do_cmd $OBJCOPY $work/image.o $work/image.o \
+ do_cmd $OBJCOPY $OBJCOPY_ARGS $work/image.o $work/image.o \
--add-section=.sysmap=$sysmap \
--set-section-flags=.sysmap=contents,alloc,load,readonly,data
fi
if test -n "$initrd"; then
- do_cmd $OBJCOPY $work/image.o $work/image.o \
+ do_cmd $OBJCOPY $OBJCOPY_ARGS $work/image.o $work/image.o \
--add-section=.ramdisk=$work/initrd.gz \
--set-section-flags=.ramdisk=contents,alloc,load,readonly,data
fi
# link everything into the final image file and make it bootable
vmlinuz=$work/vmlinuz.$arch
-LD_ARGS="-T $objdir/boot/ld.script -e _start"
-OBJCOPY_ARGS="-R .comment"
+LD_ARGS="-T $objdir/boot/ld.script"
+OF_LD_ARGS="$LD_ARGS -e _start"
+OBJCOPY_ARGS="$OBJCOPY_ARGS -R .comment"
test -n "$quiet" || echo === Creating bootable kernel image file
vmlinuz.$arch...
case $arch in
chrp)
- LD_ARGS="$LD_ARGS -Ttext 0x00800000"
- do_cmd $LD -o $vmlinuz $LD_ARGS $objs/crt0.o $OBJS $work/image.o $LIBS
+ LD_ARGS="$OF_LD_ARGS -Ttext 0x00800000"
+ do_cmd $LD -o $vmlinuz $LD_ARGS $of_objs/crt0.o $OBJS $work/image.o
$LIBS
do_cmd $OBJCOPY $OBJCOPY_ARGS $vmlinuz $vmlinuz
do_cmd cp -p $objdir/boot/note $work
do_cmd $ADDNOTE $vmlinuz
;;
coff)
- LD_ARGS="$LD_ARGS -Ttext 0x00500000 -Bstatic"
+ LD_ARGS="$OF_LD_ARGS -Ttext 0x00500000 -Bstatic"
OBJCOPY_ARGS="-O aixcoff-rs6000 -R .stab -R .stabstr $OBJCOPY_ARGS"
- do_cmd $LD -o $vmlinuz $LD_ARGS $objs/coffcrt0.o $OBJS $work/image.o
$LIBS
+ do_cmd $LD -o $vmlinuz $LD_ARGS $of_objs/coffcrt0.o $OBJS $work/image.o
$LIBS
do_cmd $OBJCOPY $OBJCOPY_ARGS $vmlinuz $vmlinuz
do_cmd $HACKOFF $vmlinuz
;;
newworld)
- LD_ARGS="$LD_ARGS -Ttext 0x01000000"
+ LD_ARGS="$OF_LD_ARGS -Ttext 0x01000000"
OBJCOPY_ARGS="--add-section=.note=$work/note $OBJCOPY_ARGS"
- do_cmd $LD -o $vmlinuz $LD_ARGS $objs/crt0.o $OBJS $LIBS $work/image.o
+ do_cmd $LD -o $vmlinuz $LD_ARGS $of_objs/crt0.o $OBJS $LIBS
$work/image.o
do_cmd $MKNOTE > $work/note
do_cmd $OBJCOPY $OBJCOPY_ARGS $vmlinuz $vmlinuz
;;
- #prep)
+ prep)
+ # TODO: 0x00800000 should be configurable (set by CONFIG_BOOT_LOADER)
+ LD_ARGS="$LD_ARGS -Ttext 0x00800000 -Bstatic"
+ OBJCOPY_ARGS="$OBJCOPY_ARGS -R .stab -R .stabstr -R .sysmap"
+ do_cmd $LD -o $vmlinuz $LD_ARGS $SIMPLE_OBJS $work/image.o $LIBS
+ do_cmd $OBJCOPY $OBJCOPY_ARGS $vmlinuz $vmlinuz
+ # TODO: Do we really need MKBUGBOOT ?
+ do_cmd $MKBUGBOOT $vmlinuz $vmlinuz.bugboot
+ do_cmd $MKPREP -pbp $vmlinuz $vmlinuz
+ ;;
*)
echo Sorry, I do not know how to handle PowerPC sub-architecture $arch.
esac
