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[POWERPC] bootwrapper: Use physical address in PHDR for uImage

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Now that we properly set the physical address in the program header of the
vmlinux ELF we can extract it to properly set the load and entry point for
u-boot uImages.  Before we always hard coded the load & entry point to 0.
However there are situations that the kernel may be built with a non-zero
physical address.

We use objdump to extract the PHDR.  We assume that there is only one
PHDR in the vmlinux of type LOAD.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Kumar Gala 2008-04-16 05:52:29 +10:00 committed by Paul Mackerras
parent 366234f657
commit b18796d32a
1 changed files with 4 additions and 1 deletions
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5
arch/powerpc/boot/wrapper
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@ -230,10 +230,13 @@ 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 00000000 -e 00000000 \
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"