Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-18 01:51:53 +00:00
Code Issues Packages Projects Releases Wiki Activity

powerpc/ps3: Add check for otheros image size

Browse Source 
The ps3's otheros flash loader has a size limit of 16 MiB for the
uncompressed image.  If that limit will be reached output the
flash image file as 'otheros-too-big.bld'.

Signed-off-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/897c2a59-378e-7c9b-3976-d0a0def90913@infradead.org
This commit is contained in:
Geoff Levand 2020-05-16 09:20:46 -07:00 committed by Michael Ellerman
parent 8f53f9c0f6
commit aa3bc365ee
1 changed files with 13 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
arch/powerpc/boot/wrapper
View File

@ -571,7 +571,18 @@ ps3)
count=$overlay_size bs=1
odir="$(dirname "$ofile.bin")"
rm -f "$odir/otheros.bld"
gzip -n --force -9 --stdout "$ofile.bin" > "$odir/otheros.bld"
# The ps3's flash loader has a size limit of 16 MiB for the uncompressed
# image. If a compressed image that exceeded this limit is written to
# flash the loader will decompress that image until the 16 MiB limit is
# reached, then enter the system reset vector of the partially decompressed
# image. No warning is issued.
rm -f "$odir"/{otheros,otheros-too-big}.bld
size=$(${CROSS}nm --no-sort --radix=d "$ofile" | egrep ' _end$' | cut -d' ' -f1)
bld="otheros.bld"
if [ $size -gt $((0x1000000)) ]; then
bld="otheros-too-big.bld"
fi
gzip -n --force -9 --stdout "$ofile.bin" > "$odir/$bld"
;;
esac