Use the new slow path for atomic instruction translation when the
softmmu is enabled.
Suggested-by: Jani Kokkonen <jani.kokko...@huawei.com>
Suggested-by: Claudio Fontana <claudio.font...@huawei.com>
Signed-off-by: Alvise Rigo <a.r...@virtualopensystems.com>
---
configure | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/configure b/configure
index cd219d8..5f72977 100755
--- a/configure
+++ b/configure
@@ -1391,6 +1391,13 @@ if test "$ARCH" = "unknown"; then
fi
fi
+# Use the slow-path for atomic instructions if the softmmu is enabled
+if test "$softmmu" = "yes"; then
+ tcg_use_ldst_excl="yes"
+else
+ tcg_use_ldst_excl="no"
+fi
+
# Consult white-list to determine whether to enable werror
# by default. Only enable by default for git builds
z_version=`cut -f3 -d. $source_path/VERSION`
@@ -4542,6 +4549,7 @@ echo "Install blobs $blobs"
echo "KVM support $kvm"
echo "RDMA support $rdma"
echo "TCG interpreter $tcg_interpreter"
+echo "use ld/st excl $tcg_use_ldst_excl"
echo "fdt support $fdt"
echo "preadv support $preadv"
echo "fdatasync $fdatasync"
@@ -4920,6 +4928,9 @@ fi
if test "$tcg_interpreter" = "yes" ; then
echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
fi
+if test "$tcg_use_ldst_excl" = "yes" ; then
+ echo "CONFIG_TCG_USE_LDST_EXCL=y" >> $config_host_mak
+fi
if test "$fdatasync" = "yes" ; then
echo "CONFIG_FDATASYNC=y" >> $config_host_mak
fi
--
2.5.3
