test: introduce overridable ARCH variable in run-qemu

[thirdparty/dracut.git] / test / run-qemu

diff --git a/test/run-qemu b/test/run-qemu
index 4cde33aab031e0381e0860793afdefb6f2235c89..e97e30aeb30f9a258e2490a874759ca9fcc5ac9b 100755 (executable)
--- a/test/run-qemu
+++ b/test/run-qemu
@@ -1,27 +1,30 @@
 #!/bin/bash
 # Check which virtualization technology to use
 # We prefer kvm, kqemu, userspace in that order.
-export PATH=/sbin:/bin:/usr/sbin:/usr/bin
 
-[[ -x /usr/bin/qemu ]] && BIN=/usr/bin/qemu && ARGS="-cpu max"
-$(lsmod | grep -q '^kqemu ') && BIN=/usr/bin/qemu && ARGS="-kernel-kqemu -cpu host"
-[[ -c /dev/kvm && -x /usr/bin/kvm ]] && BIN=/usr/bin/kvm && ARGS="-cpu host"
-[[ -c /dev/kvm && -x /usr/bin/qemu-kvm ]] && BIN=/usr/bin/qemu-kvm && ARGS="-cpu host"
-[[ -c /dev/kvm && -x /usr/libexec/qemu-kvm ]] && BIN=/usr/libexec/qemu-kvm && ARGS="-cpu host"
-[[ -x /usr/bin/qemu-system-$(uname -i) ]] && BIN=/usr/bin/qemu-system-$(uname -i) && ARGS="-cpu max"
-[[ -c /dev/kvm && -x /usr/bin/qemu-system-$(uname -i) ]] && BIN=/usr/bin/qemu-system-$(uname -i) && ARGS="-enable-kvm -cpu host"
+export PATH=/usr/sbin:/usr/bin:/sbin:/bin
+ARCH="${ARCH-$(uname -m)}"
+QEMU_CPU="${QEMU_CPU:-max}"
+
+[[ -x /usr/bin/qemu ]] && BIN=/usr/bin/qemu && ARGS=(-cpu "$QEMU_CPU")
+(lsmod | grep -q '^kqemu ') && BIN=/usr/bin/qemu && ARGS=(-kernel-kqemu -cpu host)
+[[ -c /dev/kvm && -x /usr/bin/kvm ]] && BIN=/usr/bin/kvm && ARGS=(-cpu host)
+[[ -c /dev/kvm && -x /usr/bin/qemu-kvm ]] && BIN=/usr/bin/qemu-kvm && ARGS=(-cpu host)
+[[ -c /dev/kvm && -x /usr/libexec/qemu-kvm ]] && BIN=/usr/libexec/qemu-kvm && ARGS=(-cpu host)
+[[ -x "/usr/bin/qemu-system-${ARCH}" ]] && BIN="/usr/bin/qemu-system-${ARCH}" && ARGS=(-cpu "$QEMU_CPU")
+[[ -c /dev/kvm && -x "/usr/bin/qemu-system-${ARCH}" ]] && BIN="/usr/bin/qemu-system-${ARCH}" && ARGS=(-enable-kvm -cpu host)
 
 [[ $BIN ]] || {
-   echo "Could not find a working KVM or QEMU to test with!" >&2
-   echo "Please install kvm or qemu." >&2
-   exit 1
+    echo "Could not find a working KVM or QEMU to test with!" >&2
+    echo "Please install kvm or qemu." >&2
+    exit 1
 }
 
 # Provide rng device sourcing the hosts /dev/urandom and other standard parameters
-ARGS="$ARGS -smp 2 -m 512 -nodefaults -vga none -display none -no-reboot -device virtio-rng-pci"
+ARGS+=(-M q35 -smp 2 -m 1024 -nodefaults -vga none -display none -no-reboot -device virtio-rng-pci)
 
-if ! [[ $* = *-daemonize* ]] && ! [[ $* = *-daemonize* ]]; then
-    ARGS="$ARGS -serial stdio"
+if ! [[ $* == *-daemonize* ]] && ! [[ $* == *-daemonize* ]]; then
+    ARGS+=(-serial stdio)
 fi
 
 KVERSION=${KVERSION-$(uname -r)}
@@ -29,13 +32,18 @@ KVERSION=${KVERSION-$(uname -r)}
 VMLINUZ="/lib/modules/${KVERSION}/vmlinuz"
 
 if ! [ -f "$VMLINUZ" ]; then
-    [[ -f /etc/machine-id ]] && read MACHINE_ID < /etc/machine-id
+    [[ -f /etc/machine-id ]] && read -r MACHINE_ID < /etc/machine-id
 
-    if [[ $MACHINE_ID ]] && ( [[ -d /boot/${MACHINE_ID} ]] || [[ -L /boot/${MACHINE_ID} ]] ); then
+    if [[ $MACHINE_ID ]] && { [[ -d /boot/${MACHINE_ID} ]] || [[ -L /boot/${MACHINE_ID} ]]; }; then
         VMLINUZ="/boot/${MACHINE_ID}/$KVERSION/linux"
     else
         VMLINUZ="/boot/vmlinuz-${KVERSION}"
     fi
 fi
 
-exec $BIN $ARGS -kernel $VMLINUZ "$@"
+# only set -kernel if -initrd is specified
+if [[ $* == *-initrd* ]]; then
+    ARGS+=(-kernel "$VMLINUZ")
+fi
+
+exec "$BIN" "${ARGS[@]}" "$@"