With acpi=off continue to use qboot.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
---
 hw/i386/microvm.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/hw/i386/microvm.c b/hw/i386/microvm.c
index 1bcd57a6fd80..ac605d92b984 100644
--- a/hw/i386/microvm.c
+++ b/hw/i386/microvm.c
@@ -52,6 +52,7 @@
 #include "hw/xen/start_info.h"
 
 #define MICROVM_QBOOT_FILENAME "qboot.rom"
+#define MICROVM_BIOS_FILENAME  "bios-microvm.bin"
 
 static void microvm_set_rtc(MicrovmMachineState *mms, ISADevice *s)
 {
@@ -174,7 +175,9 @@ static void microvm_devices_init(MicrovmMachineState *mms)
     }
 
     if (bios_name == NULL) {
-        bios_name = MICROVM_QBOOT_FILENAME;
+        bios_name = x86_machine_is_acpi_enabled(x86ms)
+            ? MICROVM_BIOS_FILENAME
+            : MICROVM_QBOOT_FILENAME;
     }
     x86_bios_rom_init(get_system_memory(), true);
 }
-- 
2.18.4