launchers/kvm : ajout architecture de processeur comme paramètre

qemu/launchers/kvm

@@ -1,6 +1,10 @@
 #!/usr/bin/env sh
 set -x
 
+# What processor architecture to use
+arch=$QEMUSH_ARCH
+[ -z "$arch" ] && arch=$(uname -m)
+
 # How many CPU cores to use
 nproc=$QEMUSH_NPROC
 [ -z "$nproc" ] && nproc=$(($(nproc) / 2))
@@ -10,7 +14,7 @@ ram=$QEMUSH_RAM
 [ -z "$ram" ] && ram=$(($(free | grep '^Mem:\s' | awk '{ print $NF }') / 2))K
 
 # Set the arguments
-set -- qemu-system-x86_64 \
+set -- "qemu-system-${arch}" \
     -enable-kvm \
     -M q35 \
     -cpu host -smp "$nproc" \