1 files changed, 20 insertions, 0 deletions

diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper
index eb78e437ec1b..3790dcd13640 100755
--- a/arch/powerpc/boot/wrapper
+++ b/arch/powerpc/boot/wrapper
@@ -260,6 +260,8 @@ 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.$$)
+
     if [ -n "$gzip" ]; then
         gzip -n -f -9 "$vmz.$$"
     fi
@@ -269,6 +271,24 @@ 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
+
+# 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 $strip_size ]; then
+    echo "WARN: Uncompressed kernel (size 0x$(printf "%x\n" $strip_size))" \
+                "overlaps the address of the wrapper($link_address)"
+    echo "WARN: Fixing the link_address of wrapper to ($round_size)"
+    link_address=$round_size
 fi
 
 vmz="$vmz$gzip"