S/390 host/target build system support

index 0b2c721..8e109c5 100755
@@ -156,9 +156,12 @@ case "$cpu" in
   parisc|parisc64)
     cpu="hppa"
   ;;
-  s390*)
+  s390)
     cpu="s390"
   ;;
+  s390x)
+    cpu="s390x"
+  ;;
   sparc|sun4[cdmuv])
     cpu="sparc"
   ;;

@@ -730,6 +733,7 @@ sh4eb-linux-user \
 sparc-linux-user \
 sparc64-linux-user \
 sparc32plus-linux-user \
+s390x-linux-user \
 "
     fi
 # the following are Darwin specific

@@ -785,7 +789,7 @@ fi
 # host long bits test
 hostlongbits="32"
 case "$cpu" in
-  x86_64|alpha|ia64|sparc64|ppc64)
+  x86_64|alpha|ia64|sparc64|ppc64|s390x)
     hostlongbits=64
   ;;
 esac

@@ -1562,7 +1566,7 @@ echo >> $config_host_mak
 echo "CONFIG_QEMU_SHAREDIR=\"$prefix$datasuffix\"" >> $config_host_mak
 
 case "$cpu" in
-  i386|x86_64|alpha|cris|hppa|ia64|m68k|microblaze|mips|mips64|ppc|ppc64|s390|sparc|sparc64)
+  i386|x86_64|alpha|cris|hppa|ia64|m68k|microblaze|mips|mips64|ppc|ppc64|s390|s390x|sparc|sparc64)
     ARCH=$cpu
   ;;
   armv4b|armv4l)

@@ -1824,7 +1828,7 @@ config_h=$target_dir/config.h
 target_arch2=`echo $target | cut -d '-' -f 1`
 target_bigendian="no"
 case "$target_arch2" in
-  armeb|m68k|microblaze|mips|mipsn32|mips64|ppc|ppcemb|ppc64|ppc64abi32|sh4eb|sparc|sparc64|sparc32plus)
+  armeb|m68k|microblaze|mips|mipsn32|mips64|ppc|ppcemb|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus)
   target_bigendian=yes
   ;;
 esac

@@ -1985,6 +1989,10 @@ case "$target_arch2" in
     echo "TARGET_ABI32=y" >> $config_mak
     target_phys_bits=64
   ;;
+  s390x)
+    target_nptl="yes"
+    target_phys_bits=64
+  ;;
   *)
     echo "Unsupported target CPU"
     exit 1

@@ -2057,7 +2065,7 @@ fi
 echo "TARGET_XML_FILES=$list" >> $config_mak
 
 case "$target_arch2" in
-  arm|armeb|m68k|microblaze|mips|mipsel|mipsn32|mipsn32el|mips64|mips64el|ppc|ppc64|ppc64abi32|ppcemb|sparc|sparc64|sparc32plus)
+  arm|armeb|m68k|microblaze|mips|mipsel|mipsn32|mipsn32el|mips64|mips64el|ppc|ppc64|ppc64abi32|ppcemb|s390x|sparc|sparc64|sparc32plus)
     echo "CONFIG_SOFTFLOAT=y" >> $config_mak
     ;;
   *)

@@ -2090,6 +2098,8 @@ ldflags=""
 
 if test "$ARCH" = "sparc64" ; then
   cflags="-I\$(SRC_PATH)/tcg/sparc $cflags"
+elif test "$ARCH" = "s390x" ; then
+  cflags="-I\$(SRC_PATH)/tcg/s390 $cflags"
 else
   cflags="-I\$(SRC_PATH)/tcg/\$(ARCH) $cflags"
 fi

@@ -2125,7 +2135,7 @@ for i in $ARCH $TARGET_BASE_ARCH ; do
   ppc*)
     echo "CONFIG_PPC_DIS=y"  >> $config_mak
   ;;
-  s390)
+  s390*)
     echo "CONFIG_S390_DIS=y"  >> $config_mak
   ;;
   sh4)