mirror of
https://github.com/rd-stuffs/msm-4.14.git
synced 2025-02-20 11:45:48 +08:00
f5467e28d4
Commit c55aef0e5bc6 ("powerpc/boot: Change the load address for the
wrapper to fit the kernel") adjusts the wrapper address unnecessarily
for platforms that use arch/powerpc/boot/of.c, since the code there
allocates space for the kernel wherever it can find it and doesn't
necessarily load the kernel at address 0. Changing the link address
is actually harmful since it can cause the zImage to overlap with
Open Firmware and thus fail to boot.
To fix this, we set make_space to n for all of the platforms that
use of.o.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
448 lines
10 KiB
Bash
Executable File
448 lines
10 KiB
Bash
Executable File
#!/bin/sh
|
|
|
|
# Copyright (C) 2006 Paul Mackerras, IBM Corporation <paulus@samba.org>
|
|
# This program may be used under the terms of version 2 of the GNU
|
|
# General Public License.
|
|
|
|
# This script takes a kernel binary and optionally an initrd image
|
|
# and/or a device-tree blob, and creates a bootable zImage for a
|
|
# given platform.
|
|
|
|
# Options:
|
|
# -o zImage specify output file
|
|
# -p platform specify platform (links in $platform.o)
|
|
# -i initrd specify initrd file
|
|
# -d devtree specify device-tree blob
|
|
# -s tree.dts specify device-tree source file (needs dtc installed)
|
|
# -c cache $kernel.strip.gz (use if present & newer, else make)
|
|
# -C prefix specify command prefix for cross-building tools
|
|
# (strip, objcopy, ld)
|
|
# -D dir specify directory containing data files used by script
|
|
# (default ./arch/powerpc/boot)
|
|
# -W dir specify working directory for temporary files (default .)
|
|
|
|
# Stop execution if any command fails
|
|
set -e
|
|
|
|
# Allow for verbose output
|
|
if [ "$V" = 1 ]; then
|
|
set -x
|
|
fi
|
|
|
|
# defaults
|
|
kernel=
|
|
ofile=zImage
|
|
platform=of
|
|
initrd=
|
|
dtb=
|
|
dts=
|
|
cacheit=
|
|
binary=
|
|
gzip=.gz
|
|
pie=
|
|
|
|
# cross-compilation prefix
|
|
CROSS=
|
|
|
|
# mkimage wrapper script
|
|
MKIMAGE=$srctree/scripts/mkuboot.sh
|
|
|
|
# directory for object and other files used by this script
|
|
object=arch/powerpc/boot
|
|
objbin=$object
|
|
dtc=scripts/dtc/dtc
|
|
|
|
# directory for working files
|
|
tmpdir=.
|
|
|
|
usage() {
|
|
echo 'Usage: wrapper [-o output] [-p platform] [-i initrd]' >&2
|
|
echo ' [-d devtree] [-s tree.dts] [-c] [-C cross-prefix]' >&2
|
|
echo ' [-D datadir] [-W workingdir] [--no-gzip] [vmlinux]' >&2
|
|
exit 1
|
|
}
|
|
|
|
while [ "$#" -gt 0 ]; do
|
|
case "$1" in
|
|
-o)
|
|
shift
|
|
[ "$#" -gt 0 ] || usage
|
|
ofile="$1"
|
|
;;
|
|
-p)
|
|
shift
|
|
[ "$#" -gt 0 ] || usage
|
|
platform="$1"
|
|
;;
|
|
-i)
|
|
shift
|
|
[ "$#" -gt 0 ] || usage
|
|
initrd="$1"
|
|
;;
|
|
-d)
|
|
shift
|
|
[ "$#" -gt 0 ] || usage
|
|
dtb="$1"
|
|
;;
|
|
-s)
|
|
shift
|
|
[ "$#" -gt 0 ] || usage
|
|
dts="$1"
|
|
;;
|
|
-c)
|
|
cacheit=y
|
|
;;
|
|
-C)
|
|
shift
|
|
[ "$#" -gt 0 ] || usage
|
|
CROSS="$1"
|
|
;;
|
|
-D)
|
|
shift
|
|
[ "$#" -gt 0 ] || usage
|
|
object="$1"
|
|
objbin="$1"
|
|
;;
|
|
-W)
|
|
shift
|
|
[ "$#" -gt 0 ] || usage
|
|
tmpdir="$1"
|
|
;;
|
|
--no-gzip)
|
|
gzip=
|
|
;;
|
|
-?)
|
|
usage
|
|
;;
|
|
*)
|
|
[ -z "$kernel" ] || usage
|
|
kernel="$1"
|
|
;;
|
|
esac
|
|
shift
|
|
done
|
|
|
|
if [ -n "$dts" ]; then
|
|
if [ ! -r "$dts" -a -r "$object/dts/$dts" ]; then
|
|
dts="$object/dts/$dts"
|
|
fi
|
|
if [ -z "$dtb" ]; then
|
|
dtb="$platform.dtb"
|
|
fi
|
|
$dtc -O dtb -o "$dtb" -b 0 "$dts"
|
|
fi
|
|
|
|
if [ -z "$kernel" ]; then
|
|
kernel=vmlinux
|
|
fi
|
|
|
|
platformo=$object/"$platform".o
|
|
lds=$object/zImage.lds
|
|
ext=strip
|
|
objflags=-S
|
|
tmp=$tmpdir/zImage.$$.o
|
|
ksection=.kernel:vmlinux.strip
|
|
isection=.kernel:initrd
|
|
link_address='0x400000'
|
|
make_space=y
|
|
|
|
case "$platform" in
|
|
pseries)
|
|
platformo="$object/of.o $object/epapr.o"
|
|
link_address='0x4000000'
|
|
make_space=n
|
|
;;
|
|
maple)
|
|
platformo="$object/of.o $object/epapr.o"
|
|
link_address='0x400000'
|
|
make_space=n
|
|
;;
|
|
pmac|chrp)
|
|
platformo="$object/of.o $object/epapr.o"
|
|
make_space=n
|
|
;;
|
|
coff)
|
|
platformo="$object/crt0.o $object/of.o $object/epapr.o"
|
|
lds=$object/zImage.coff.lds
|
|
link_address='0x500000'
|
|
make_space=n
|
|
pie=
|
|
;;
|
|
miboot|uboot*)
|
|
# miboot and U-boot want just the bare bits, not an ELF binary
|
|
ext=bin
|
|
objflags="-O binary"
|
|
tmp="$ofile"
|
|
ksection=image
|
|
isection=initrd
|
|
;;
|
|
cuboot*)
|
|
binary=y
|
|
gzip=
|
|
case "$platform" in
|
|
*-mpc866ads|*-mpc885ads|*-adder875*|*-ep88xc)
|
|
platformo=$object/cuboot-8xx.o
|
|
;;
|
|
*5200*|*-motionpro)
|
|
platformo=$object/cuboot-52xx.o
|
|
;;
|
|
*-pq2fads|*-ep8248e|*-mpc8272*|*-storcenter)
|
|
platformo=$object/cuboot-pq2.o
|
|
;;
|
|
*-mpc824*)
|
|
platformo=$object/cuboot-824x.o
|
|
;;
|
|
*-mpc83*|*-asp834x*)
|
|
platformo=$object/cuboot-83xx.o
|
|
;;
|
|
*-tqm8541|*-mpc8560*|*-tqm8560|*-tqm8555|*-ksi8560*)
|
|
platformo=$object/cuboot-85xx-cpm2.o
|
|
;;
|
|
*-mpc85*|*-tqm85*|*-sbc85*)
|
|
platformo=$object/cuboot-85xx.o
|
|
;;
|
|
*-amigaone)
|
|
link_address='0x800000'
|
|
;;
|
|
esac
|
|
;;
|
|
ps3)
|
|
platformo="$object/ps3-head.o $object/ps3-hvcall.o $object/ps3.o"
|
|
lds=$object/zImage.ps3.lds
|
|
gzip=
|
|
ext=bin
|
|
objflags="-O binary --set-section-flags=.bss=contents,alloc,load,data"
|
|
ksection=.kernel:vmlinux.bin
|
|
isection=.kernel:initrd
|
|
link_address=''
|
|
make_space=n
|
|
pie=
|
|
;;
|
|
ep88xc|ep405|ep8248e)
|
|
platformo="$object/fixed-head.o $object/$platform.o"
|
|
binary=y
|
|
;;
|
|
adder875-redboot)
|
|
platformo="$object/fixed-head.o $object/redboot-8xx.o"
|
|
binary=y
|
|
;;
|
|
simpleboot-virtex405-*)
|
|
platformo="$object/virtex405-head.o $object/simpleboot.o $object/virtex.o"
|
|
binary=y
|
|
;;
|
|
simpleboot-virtex440-*)
|
|
platformo="$object/fixed-head.o $object/simpleboot.o $object/virtex.o"
|
|
binary=y
|
|
;;
|
|
simpleboot-*)
|
|
platformo="$object/fixed-head.o $object/simpleboot.o"
|
|
binary=y
|
|
;;
|
|
asp834x-redboot)
|
|
platformo="$object/fixed-head.o $object/redboot-83xx.o"
|
|
binary=y
|
|
;;
|
|
xpedite52*)
|
|
link_address='0x1400000'
|
|
platformo=$object/cuboot-85xx.o
|
|
;;
|
|
gamecube|wii)
|
|
link_address='0x600000'
|
|
platformo="$object/$platform-head.o $object/$platform.o"
|
|
;;
|
|
treeboot-currituck)
|
|
link_address='0x1000000'
|
|
;;
|
|
treeboot-iss4xx-mpic)
|
|
platformo="$object/treeboot-iss4xx.o"
|
|
;;
|
|
epapr)
|
|
platformo="$object/epapr.o $object/epapr-wrapper.o"
|
|
link_address='0x20000000'
|
|
pie=-pie
|
|
;;
|
|
esac
|
|
|
|
vmz="$tmpdir/`basename \"$kernel\"`.$ext"
|
|
if [ -z "$cacheit" -o ! -f "$vmz$gzip" -o "$vmz$gzip" -ot "$kernel" ]; then
|
|
${CROSS}objcopy $objflags "$kernel" "$vmz.$$"
|
|
|
|
strip_size=$(stat -c %s $vmz.$$)
|
|
|
|
if [ -n "$gzip" ]; then
|
|
gzip -n -f -9 "$vmz.$$"
|
|
fi
|
|
|
|
if [ -n "$cacheit" ]; then
|
|
mv -f "$vmz.$$$gzip" "$vmz$gzip"
|
|
else
|
|
vmz="$vmz.$$"
|
|
fi
|
|
else
|
|
# Calculate the vmlinux.strip size
|
|
${CROSS}objcopy $objflags "$kernel" "$vmz.$$"
|
|
strip_size=$(stat -c %s $vmz.$$)
|
|
rm -f $vmz.$$
|
|
fi
|
|
|
|
if [ "$make_space" = "y" ]; then
|
|
# Round the size to next higher MB limit
|
|
round_size=$(((strip_size + 0xfffff) & 0xfff00000))
|
|
|
|
round_size=0x$(printf "%x" $round_size)
|
|
link_addr=$(printf "%d" $link_address)
|
|
|
|
if [ $link_addr -lt $strip_size ]; then
|
|
echo "INFO: Uncompressed kernel (size 0x$(printf "%x\n" $strip_size))" \
|
|
"overlaps the address of the wrapper($link_address)"
|
|
echo "INFO: Fixing the link_address of wrapper to ($round_size)"
|
|
link_address=$round_size
|
|
fi
|
|
fi
|
|
|
|
vmz="$vmz$gzip"
|
|
|
|
# Extract kernel version information, some platforms want to include
|
|
# it in the image header
|
|
version=`${CROSS}strings "$kernel" | grep '^Linux version [-0-9.]' | \
|
|
cut -d' ' -f3`
|
|
if [ -n "$version" ]; then
|
|
uboot_version="-n Linux-$version"
|
|
fi
|
|
|
|
# physical offset of kernel image
|
|
membase=`${CROSS}objdump -p "$kernel" | grep -m 1 LOAD | awk '{print $7}'`
|
|
|
|
case "$platform" in
|
|
uboot)
|
|
rm -f "$ofile"
|
|
${MKIMAGE} -A ppc -O linux -T kernel -C gzip -a $membase -e $membase \
|
|
$uboot_version -d "$vmz" "$ofile"
|
|
if [ -z "$cacheit" ]; then
|
|
rm -f "$vmz"
|
|
fi
|
|
exit 0
|
|
;;
|
|
uboot-obs600)
|
|
rm -f "$ofile"
|
|
# obs600 wants a multi image with an initrd, so we need to put a fake
|
|
# one in even when building a "normal" image.
|
|
if [ -n "$initrd" ]; then
|
|
real_rd="$initrd"
|
|
else
|
|
real_rd=`mktemp`
|
|
echo "\0" >>"$real_rd"
|
|
fi
|
|
${MKIMAGE} -A ppc -O linux -T multi -C gzip -a $membase -e $membase \
|
|
$uboot_version -d "$vmz":"$real_rd":"$dtb" "$ofile"
|
|
if [ -z "$initrd" ]; then
|
|
rm -f "$real_rd"
|
|
fi
|
|
if [ -z "$cacheit" ]; then
|
|
rm -f "$vmz"
|
|
fi
|
|
exit 0
|
|
;;
|
|
esac
|
|
|
|
addsec() {
|
|
${CROSS}objcopy $4 $1 \
|
|
--add-section=$3="$2" \
|
|
--set-section-flags=$3=contents,alloc,load,readonly,data
|
|
}
|
|
|
|
addsec $tmp "$vmz" $ksection $object/empty.o
|
|
if [ -z "$cacheit" ]; then
|
|
rm -f "$vmz"
|
|
fi
|
|
|
|
if [ -n "$initrd" ]; then
|
|
addsec $tmp "$initrd" $isection
|
|
fi
|
|
|
|
if [ -n "$dtb" ]; then
|
|
addsec $tmp "$dtb" .kernel:dtb
|
|
if [ -n "$dts" ]; then
|
|
rm $dtb
|
|
fi
|
|
fi
|
|
|
|
if [ "$platform" != "miboot" ]; then
|
|
if [ -n "$link_address" ] ; then
|
|
text_start="-Ttext $link_address"
|
|
fi
|
|
${CROSS}ld -m elf32ppc -T $lds $text_start $pie -o "$ofile" \
|
|
$platformo $tmp $object/wrapper.a
|
|
rm $tmp
|
|
fi
|
|
|
|
# Some platforms need the zImage's entry point and base address
|
|
base=0x`${CROSS}nm "$ofile" | grep ' _start$' | cut -d' ' -f1`
|
|
entry=`${CROSS}objdump -f "$ofile" | grep '^start address ' | cut -d' ' -f3`
|
|
|
|
if [ -n "$binary" ]; then
|
|
mv "$ofile" "$ofile".elf
|
|
${CROSS}objcopy -O binary "$ofile".elf "$ofile"
|
|
fi
|
|
|
|
# post-processing needed for some platforms
|
|
case "$platform" in
|
|
pseries|chrp|maple)
|
|
$objbin/addnote "$ofile"
|
|
;;
|
|
coff)
|
|
${CROSS}objcopy -O aixcoff-rs6000 --set-start "$entry" "$ofile"
|
|
$objbin/hack-coff "$ofile"
|
|
;;
|
|
cuboot*)
|
|
gzip -n -f -9 "$ofile"
|
|
${MKIMAGE} -A ppc -O linux -T kernel -C gzip -a "$base" -e "$entry" \
|
|
$uboot_version -d "$ofile".gz "$ofile"
|
|
;;
|
|
treeboot*)
|
|
mv "$ofile" "$ofile.elf"
|
|
$objbin/mktree "$ofile.elf" "$ofile" "$base" "$entry"
|
|
if [ -z "$cacheit" ]; then
|
|
rm -f "$ofile.elf"
|
|
fi
|
|
exit 0
|
|
;;
|
|
ps3)
|
|
# The ps3's loader supports loading a gzipped binary image from flash
|
|
# rom to ram addr zero. The loader then enters the system reset
|
|
# vector at addr 0x100. A bootwrapper overlay is used to arrange for
|
|
# a binary image of the kernel to be at addr zero, and yet have a
|
|
# suitable bootwrapper entry at 0x100. To construct the final rom
|
|
# image 512 bytes from offset 0x100 is copied to the bootwrapper
|
|
# place holder at symbol __system_reset_kernel. The 512 bytes of the
|
|
# bootwrapper entry code at symbol __system_reset_overlay is then
|
|
# copied to offset 0x100. At runtime the bootwrapper program copies
|
|
# the data at __system_reset_kernel back to addr 0x100.
|
|
|
|
system_reset_overlay=0x`${CROSS}nm "$ofile" \
|
|
| grep ' __system_reset_overlay$' \
|
|
| cut -d' ' -f1`
|
|
system_reset_overlay=`printf "%d" $system_reset_overlay`
|
|
system_reset_kernel=0x`${CROSS}nm "$ofile" \
|
|
| grep ' __system_reset_kernel$' \
|
|
| cut -d' ' -f1`
|
|
system_reset_kernel=`printf "%d" $system_reset_kernel`
|
|
overlay_dest="256"
|
|
overlay_size="512"
|
|
|
|
${CROSS}objcopy -O binary "$ofile" "$ofile.bin"
|
|
|
|
dd if="$ofile.bin" of="$ofile.bin" conv=notrunc \
|
|
skip=$overlay_dest seek=$system_reset_kernel \
|
|
count=$overlay_size bs=1
|
|
|
|
dd if="$ofile.bin" of="$ofile.bin" conv=notrunc \
|
|
skip=$system_reset_overlay seek=$overlay_dest \
|
|
count=$overlay_size bs=1
|
|
|
|
odir="$(dirname "$ofile.bin")"
|
|
rm -f "$odir/otheros.bld"
|
|
gzip -n --force -9 --stdout "$ofile.bin" > "$odir/otheros.bld"
|
|
;;
|
|
esac
|