Merge git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86

[karo-tx-linux.git] / arch / powerpc / boot / wrapper

diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper
index da77adc73078d3561144edf3d335dab4c901dbdc..763a0c46f44128ef780dbb6a16ea22c98f70b88b 100755 (executable)
--- a/arch/powerpc/boot/wrapper
+++ b/arch/powerpc/boot/wrapper
@@ -21,6 +21,14 @@
 #              (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
@@ -29,6 +37,7 @@ initrd=
 dtb=
 dts=
 cacheit=
+binary=
 gzip=.gz
 
 # cross-compilation prefix
@@ -36,6 +45,7 @@ CROSS=
 
 # directory for object and other files used by this script
 object=arch/powerpc/boot
+objbin=$object
 
 # directory for working files
 tmpdir=.
@@ -86,6 +96,7 @@ while [ "$#" -gt 0 ]; do
        shift
        [ "$#" -gt 0 ] || usage
        object="$1"
+       objbin="$1"
        ;;
     -W)
        shift
@@ -107,10 +118,13 @@ while [ "$#" -gt 0 ]; do
 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 "$dtb" -b 0 -V 16 "$dts" || exit 1
+    $object/dtc -O dtb -o "$dtb" -b 0 "$dts"
 fi
 
 if [ -z "$kernel" ]; then
@@ -142,8 +156,22 @@ miboot|uboot)
     isection=initrd
     ;;
 cuboot*)
+    binary=y
     gzip=
     ;;
+ps3)
+    platformo="$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
+    ;;
+ep88xc|ep405|redboot*|ep8248e)
+    platformo="$object/fixed-head.o $object/$platform.o"
+    binary=y
+    ;;
 esac
 
 vmz="$tmpdir/`basename \"$kernel\"`.$ext"
@@ -215,28 +243,67 @@ fi
 base=0x`${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)
-    $object/addnote "$ofile"
+    $objbin/addnote "$ofile"
     ;;
 coff)
     ${CROSS}objcopy -O aixcoff-rs6000 --set-start "$entry" "$ofile"
-    $object/hack-coff "$ofile"
+    $objbin/hack-coff "$ofile"
     ;;
 cuboot*)
-    mv "$ofile" "$ofile".elf
-    ${CROSS}objcopy -O binary "$ofile".elf "$ofile".bin
-    gzip -f -9 "$ofile".bin
+    gzip -f -9 "$ofile"
     mkimage -A ppc -O linux -T kernel -C gzip -a "$base" -e "$entry" \
-            $uboot_version -d "$ofile".bin.gz "$ofile"
+            $uboot_version -d "$ofile".gz "$ofile"
     ;;
 treeboot*)
     mv "$ofile" "$ofile.elf"
-    $object/mktree "$ofile.elf" "$ofile" "$base" "$entry"
+    $objbin/mktree "$ofile.elf" "$ofile" "$base" "$entry"
     if [ -z "$cacheit" ]; then
        rm -f "$ofile.elf"
     fi
     exit 0
     ;;
+ps3)
+    # The ps3's loader supports loading gzipped binary images from flash
+    # rom to addr zero. The loader enters the image at addr 0x100.  A
+    # bootwrapper overlay is use to arrange for the kernel to be loaded
+    # to addr zero and to have a suitable bootwrapper entry at 0x100.
+    # To construct the rom image, 0x100 bytes from offset 0x100 in the
+    # kernel is copied to the bootwrapper symbol __system_reset_kernel.
+    # The 0x100 bytes at the bootwrapper symbol __system_reset_overlay is
+    # then copied to offset 0x100.  At runtime the bootwrapper program
+    # copies the 0x100 bytes at __system_reset_kernel to addr 0x100.
+
+    system_reset_overlay=0x`${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="256"
+
+    ${CROSS}objcopy -O binary "$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 --force -9 --stdout "$ofile.bin" > "$odir/otheros.bld"
+    ;;
 esac