Merge commit '6b02494d64a15476e26a6e8468623d01c4c75c58' into upstream-merge

* commit '6b02494d64a15476e26a6e8468623d01c4c75c58':
  Allocate physical memory in low virtual address space
  Add KVM support for S390x
  S/390 fake TCG implementation
  S/390 host/target build system support

Conflicts:
	exec.c

Signed-off-by: Avi Kivity <avi@redhat.com>

1 files changed, 18 insertions, 8 deletions

diff --git a/configure b/configure
index 41f2a29c3..e804a92e4 100755
--- a/configure
+++ b/configure
@@ -183,9 +183,12 @@ case "$cpu" in
   mips*)
     cpu="mips"
   ;;
-  s390*)
+  s390)
     cpu="s390"
   ;;
+  s390x)
+    cpu="s390x"
+  ;;
   sparc|sun4[cdmuv])
     cpu="sparc"
   ;;
@@ -921,7 +924,7 @@ else
 
 # if cross compiling, cannot launch a program, so make a static guess
 case "$cpu" in
-  armv4b|hppa|m68k|mips|mips64|ppc|ppc64|s390|sparc|sparc64)
+  armv4b|hppa|m68k|mips|mips64|ppc|ppc64|s390|s390x|sparc|sparc64)
     bigendian=yes
   ;;
 esac
@@ -931,7 +934,7 @@ fi
 # host long bits test
 hostlongbits="32"
 case "$cpu" in
-  x86_64|alpha|ia64|sparc64|ppc64)
+  x86_64|alpha|ia64|sparc64|ppc64|s390x)
     hostlongbits=64
   ;;
 esac
@@ -1414,6 +1417,8 @@ EOF
             kvm_cflags="$kvm_cflags -I$kerneldir/arch/x86/include"
 	elif test "$cpu" = "ppc" -a -d "$kerneldir/arch/powerpc/include" ; then
 	    kvm_cflags="$kvm_cflags -I$kerneldir/arch/powerpc/include"
+	elif test "$cpu" = "s390x" -a -d "$kerneldir/arch/s390/include" ; then
+	    kvm_cflags="$kvm_cflags -I$kerneldir/arch/s390/include"
         elif test -d "$kerneldir/arch/$cpu/include" ; then
             kvm_cflags="$kvm_cflags -I$kerneldir/arch/$cpu/include"
       fi
@@ -2057,7 +2062,7 @@ 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)
@@ -2354,7 +2359,7 @@ target_arch2=`echo $target | cut -d '-' -f 1`
 target_bigendian="no"
 
 case "$target_arch2" in
-  armeb|m68k|microblaze|mips|mipsn32|mips64|ppc|ppcemb|ppc64|ppc64abi32|sh4eb|sparc|sparc64|sparc32plus)
+  armeb|m68k|microblaze|mips|mipsn32|mips64|ppc|ppcemb|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus)
   target_bigendian=yes
   ;;
 esac
@@ -2525,6 +2530,9 @@ case "$target_arch2" in
     echo "TARGET_ABI32=y" >> $config_target_mak
     target_phys_bits=64
   ;;
+  s390x)
+    target_phys_bits=64
+  ;;
   *)
     echo "Unsupported target CPU"
     exit 1
@@ -2553,7 +2561,7 @@ case "$target_arch2" in
     fi
 esac
 case "$target_arch2" in
-  i386|x86_64|ppcemb|ppc|ppc64)
+  i386|x86_64|ppcemb|ppc|ppc64|s390x)
     # Make sure the target and host cpus are compatible
     if test "$kvm" = "yes" -a "$target_softmmu" = "yes" -a \
       \( "$target_arch2" = "$cpu" -o \
@@ -2599,7 +2607,7 @@ if test ! -z "$gdb_xml_files" ; then
 fi
 
 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_target_mak
     ;;
   *)
@@ -2632,6 +2640,8 @@ 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
@@ -2667,7 +2677,7 @@ for i in $ARCH $TARGET_BASE_ARCH ; do
   ppc*)
     echo "CONFIG_PPC_DIS=y"  >> $config_target_mak
   ;;
-  s390)
+  s390*)
     echo "CONFIG_S390_DIS=y"  >> $config_target_mak
   ;;
   sh4)