diff options
Diffstat (limited to 'arch/powerpc/boot/wrapper')
| -rwxr-xr-x | arch/powerpc/boot/wrapper | 187 |
1 files changed, 161 insertions, 26 deletions
diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper index 8f8b8494d62..ae0f88ec4a3 100755 --- a/arch/powerpc/boot/wrapper +++ b/arch/powerpc/boot/wrapper @@ -39,13 +39,19 @@ dts= cacheit= binary= gzip=.gz +pie= +format= # 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=. @@ -124,13 +130,21 @@ if [ -n "$dts" ]; then if [ -z "$dtb" ]; then dtb="$platform.dtb" fi - $object/dtc -O dtb -o "$dtb" -b 0 "$dts" + $dtc -O dtb -o "$dtb" -b 0 "$dts" fi if [ -z "$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=$object/zImage.lds ext=strip @@ -138,16 +152,40 @@ objflags=-S tmp=$tmpdir/zImage.$$.o ksection=.kernel:vmlinux.strip isection=.kernel:initrd +link_address='0x400000' +make_space=y case "$platform" in -pmac|pseries|chrp) - platformo=$object/of.o +of) + platformo="$object/of.o $object/epapr.o" + make_space=n + ;; +pseries) + 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 $object/epapr.o" + link_address='0x400000' + make_space=n + ;; +pmac|chrp) + 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" @@ -159,7 +197,7 @@ cuboot*) binary=y gzip= case "$platform" in - *-mpc885ads|*-adder875*|*-ep88xc) + *-mpc866ads|*-mpc885ads|*-adder875*|*-ep88xc) platformo=$object/cuboot-8xx.o ;; *5200*|*-motionpro) @@ -171,15 +209,18 @@ cuboot*) *-mpc824*) platformo=$object/cuboot-824x.o ;; - *-mpc83*) + *-mpc83*|*-asp834x*) platformo=$object/cuboot-83xx.o ;; - *-tqm8541|*-mpc8560*|*-tqm8560|*-tqm8555) + *-tqm8541|*-mpc8560*|*-tqm8560|*-tqm8555|*-ksi8560*) platformo=$object/cuboot-85xx-cpm2.o ;; - *-mpc85*|*-tqm8540|*-sbc85*) + *-mpc85*|*-tqm85*|*-sbc85*) platformo=$object/cuboot-85xx.o ;; + *-amigaone) + link_address='0x800000' + ;; esac ;; ps3) @@ -190,6 +231,9 @@ ps3) 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" @@ -199,14 +243,58 @@ 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-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.$$" fi if [ -n "$cacheit" ]; then @@ -214,6 +302,26 @@ if [ -z "$cacheit" -o ! -f "$vmz$gzip" -o "$vmz$gzip" -ot "$kernel" ]; then else vmz="$vmz.$$" 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" @@ -226,16 +334,39 @@ 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 "$vmz" fi exit 0 ;; +uboot-obs600) + rm -f "$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 "$vmz" + fi + exit 0 + ;; esac addsec() { @@ -261,7 +392,10 @@ if [ -n "$dtb" ]; then fi if [ "$platform" != "miboot" ]; then - ${CROSS}ld -m elf32ppc -T $lds -o "$ofile" \ + if [ -n "$link_address" ] ; then + text_start="-Ttext $link_address" + fi + ${CROSS}ld -m $format -T $lds $text_start $pie -o "$ofile" \ $platformo $tmp $object/wrapper.a rm $tmp fi @@ -277,7 +411,7 @@ fi # post-processing needed for some platforms case "$platform" in -pseries|chrp) +pseries|chrp|maple) $objbin/addnote "$ofile" ;; coff) @@ -285,8 +419,8 @@ coff) $objbin/hack-coff "$ofile" ;; cuboot*) - gzip -f -9 "$ofile" - mkimage -A ppc -O linux -T kernel -C gzip -a "$base" -e "$entry" \ + gzip -n -f -9 "$ofile" + ${MKIMAGE} -A ppc -O linux -T kernel -C gzip -a "$base" -e "$entry" \ $uboot_version -d "$ofile".gz "$ofile" ;; treeboot*) @@ -298,15 +432,16 @@ treeboot*) exit 0 ;; ps3) - # The ps3's loader supports loading gzipped binary images from flash - # rom to addr zero. The loader enters the image at addr 0x100. A - # bootwrapper overlay is use to arrange for the kernel to be loaded - # to addr zero and to have a suitable bootwrapper entry at 0x100. - # To construct the rom image, 0x100 bytes from offset 0x100 in the - # kernel is copied to the bootwrapper symbol __system_reset_kernel. - # The 0x100 bytes at the bootwrapper symbol __system_reset_overlay is - # then copied to offset 0x100. At runtime the bootwrapper program - # copies the 0x100 bytes at __system_reset_kernel to addr 0x100. + # The ps3's loader supports loading a gzipped binary image from flash + # rom to ram addr zero. The loader then enters the system reset + # vector at addr 0x100. A bootwrapper overlay is used to arrange for + # a binary image of the kernel to be at addr zero, and yet have a + # suitable bootwrapper entry at 0x100. To construct the final rom + # image 512 bytes from offset 0x100 is copied to the bootwrapper + # place holder at symbol __system_reset_kernel. The 512 bytes of the + # bootwrapper entry code at symbol __system_reset_overlay is then + # copied to offset 0x100. At runtime the bootwrapper program copies + # the data at __system_reset_kernel back to addr 0x100. system_reset_overlay=0x`${CROSS}nm "$ofile" \ | grep ' __system_reset_overlay$' \ @@ -317,7 +452,7 @@ ps3) | cut -d' ' -f1` system_reset_kernel=`printf "%d" $system_reset_kernel` overlay_dest="256" - overlay_size="256" + overlay_size="512" ${CROSS}objcopy -O binary "$ofile" "$ofile.bin" @@ -331,6 +466,6 @@ ps3) odir="$(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 |