[kvm-unit-tests PATCH] arm/run: Use TCG with qemu-system-arm on arm64 systems

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From: Andrew Jones <drjones@xxxxxxxxxx>

If the user sets QEMU=qemu-system-arm on arm64 systems, the tests can only
be run by using the TCG accelerator. In this case use TCG instead of KVM.

Signed-off-by: Andrew Jones <drjones@xxxxxxxxxx>
[ Alex E: Added commit message ]
Signed-off-by: Alexandru Elisei <alexandru.elisei@xxxxxxx>
---
 arm/run | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/arm/run b/arm/run
index 28a0b4ad2729..128489125dcb 100755
--- a/arm/run
+++ b/arm/run
@@ -10,16 +10,24 @@ if [ -z "$KUT_STANDALONE" ]; then
 fi
 processor="$PROCESSOR"
 
-ACCEL=$(get_qemu_accelerator) ||
+accel=$(get_qemu_accelerator) ||
 	exit $?
 
-if [ "$ACCEL" = "kvm" ]; then
+if [ "$accel" = "kvm" ]; then
 	QEMU_ARCH=$HOST
 fi
 
 qemu=$(search_qemu_binary) ||
 	exit $?
 
+if [ "$QEMU" ] && [ -z "$ACCEL" ] &&
+   [ "$HOST" = "aarch64" ] && [ "$ARCH" = "arm" ] &&
+   [ "$(basename $QEMU)" = "qemu-system-arm" ]; then
+	accel=tcg
+fi
+
+ACCEL=$accel
+
 if ! $qemu -machine '?' 2>&1 | grep 'ARM Virtual Machine' > /dev/null; then
 	echo "$qemu doesn't support mach-virt ('-machine virt'). Exiting."
 	exit 2
-- 
2.35.1




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