diff options
Diffstat (limited to 'arch/powerpc/boot/wrapper')
| -rwxr-xr-x | arch/powerpc/boot/wrapper | 103 |
1 files changed, 93 insertions, 10 deletions
diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper index cb97e7511d7..ae0f88ec4a3 100755 --- a/arch/powerpc/boot/wrapper +++ b/arch/powerpc/boot/wrapper @@ -39,6 +39,8 @@ dts= cacheit= binary= gzip=.gz +pie= +format= # cross-compilation prefix CROSS= @@ -135,6 +137,14 @@ if [ -z "$kernel" ]; then kernel=vmlinux fi +elfformat="`${CROSS}objdump -p "$kernel" | grep 'file format' | awk '{print $4}'`" +case "$elfformat" in + elf64-powerpcle) format=elf64lppc ;; + elf64-powerpc) format=elf32ppc ;; + elf32-powerpc) format=elf32ppc ;; +esac + + platformo=$object/"$platform".o lds=$object/zImage.lds ext=strip @@ -143,25 +153,39 @@ tmp=$tmpdir/zImage.$$.o ksection=.kernel:vmlinux.strip isection=.kernel:initrd link_address='0x400000' +make_space=y case "$platform" in +of) + platformo="$object/of.o $object/epapr.o" + make_space=n + ;; pseries) - platformo=$object/of.o + platformo="$object/pseries-head.o $object/of.o $object/epapr.o" link_address='0x4000000' + if [ "$format" != "elf32ppc" ]; then + link_address= + pie=-pie + fi + make_space=n ;; maple) - platformo=$object/of.o + platformo="$object/of.o $object/epapr.o" link_address='0x400000' + make_space=n ;; pmac|chrp) - platformo=$object/of.o + platformo="$object/of.o $object/epapr.o" + make_space=n ;; coff) - platformo=$object/of.o + platformo="$object/crt0.o $object/of.o $object/epapr.o" lds=$object/zImage.coff.lds link_address='0x500000' + make_space=n + pie= ;; -miboot|uboot) +miboot|uboot*) # miboot and U-boot want just the bare bits, not an ELF binary ext=bin objflags="-O binary" @@ -208,6 +232,8 @@ ps3) ksection=.kernel:vmlinux.bin isection=.kernel:initrd link_address='' + make_space=n + pie= ;; ep88xc|ep405|ep8248e) platformo="$object/fixed-head.o $object/$platform.o" @@ -241,17 +267,34 @@ gamecube|wii) link_address='0x600000' platformo="$object/$platform-head.o $object/$platform.o" ;; +treeboot-currituck) + link_address='0x1000000' + ;; +treeboot-akebono) + link_address='0x1000000' + ;; treeboot-iss4xx-mpic) platformo="$object/treeboot-iss4xx.o" ;; +epapr) + platformo="$object/epapr.o $object/epapr-wrapper.o" + link_address='0x20000000' + pie=-pie + ;; +mvme5100) + platformo="$object/fixed-head.o $object/mvme5100.o" + binary=y + ;; esac vmz="$tmpdir/`basename \"$kernel\"`.$ext" if [ -z "$cacheit" -o ! -f "$vmz$gzip" -o "$vmz$gzip" -ot "$kernel" ]; then ${CROSS}objcopy $objflags "$kernel" "$vmz.$$" + strip_size=$(stat -c %s $vmz.$$) + if [ -n "$gzip" ]; then - gzip -f -9 "$vmz.$$" + gzip -n -f -9 "$vmz.$$" fi if [ -n "$cacheit" ]; then @@ -259,6 +302,26 @@ if [ -z "$cacheit" -o ! -f "$vmz$gzip" -o "$vmz$gzip" -ot "$kernel" ]; then else vmz="$vmz.$$" 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" @@ -284,6 +347,26 @@ uboot) 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 "$vmz" + fi + exit 0 + ;; esac addsec() { @@ -310,9 +393,9 @@ fi if [ "$platform" != "miboot" ]; then if [ -n "$link_address" ] ; then - text_start="-Ttext $link_address --defsym _start=$link_address" + text_start="-Ttext $link_address" fi - ${CROSS}ld -m elf32ppc -T $lds $text_start -o "$ofile" \ + ${CROSS}ld -m $format -T $lds $text_start $pie -o "$ofile" \ $platformo $tmp $object/wrapper.a rm $tmp fi @@ -336,7 +419,7 @@ coff) $objbin/hack-coff "$ofile" ;; cuboot*) - gzip -f -9 "$ofile" + gzip -n -f -9 "$ofile" ${MKIMAGE} -A ppc -O linux -T kernel -C gzip -a "$base" -e "$entry" \ $uboot_version -d "$ofile".gz "$ofile" ;; @@ -383,6 +466,6 @@ ps3) odir="$(dirname "$ofile.bin")" rm -f "$odir/otheros.bld" - gzip --force -9 --stdout "$ofile.bin" > "$odir/otheros.bld" + gzip -n --force -9 --stdout "$ofile.bin" > "$odir/otheros.bld" ;; esac |