add submenu for qemu configuration

target/config/Config.in

@@ -216,6 +216,22 @@ config ADK_QEMU_ARGS
 	string
 	default "-nographic" if ADK_TARGET_QEMU_WITHOUT_GRAPHIC
 
+menu "Qemu configuration"
+depends on ADK_HARDWARE_QEMU
+
+choice 
+prompt "Use a Bootloader"
+depends on ADK_TARGET_SYSTEM_QEMU_X86_64 || ADK_LINUX_X86
+
+config ADK_TARGET_QEMU_WITHOUT_BOOTLOADER
+	boolean "do not use bootloader"
+
+config ADK_TARGET_QEMU_WITH_BOOTLOADER
+	boolean "use bootloader"
+	select ADK_PACKAGE_GRUB if ADK_TARGET_SYSTEM_QEMU_X86_64 || ADK_LINUX_X86
+
+endchoice
+
 choice
 prompt "Qemu MICROBLAZE Emulation"
 depends on ADK_TARGET_SYSTEM_QEMU_MICROBLAZE || ADK_TARGET_SYSTEM_QEMU_MICROBLAZEEL
@@ -321,6 +337,7 @@ config ADK_TARGET_QEMU_WITH_VIRTIO
 
 endchoice
 
+endmenu
 
 choice
 prompt "Use ARM thumb mode"

target/x86/Makefile

@@ -8,6 +8,11 @@ include $(TOPDIR)/mk/kernel-build.mk
 include $(TOPDIR)/mk/image.mk
 
 KERNEL:=$(LINUX_DIR)/arch/x86/boot/bzImage
+ifeq ($(ADK_TARGET_QEMU_WITH_BOOTLOADER),y)
+CREATE:=./scripts/create.sh -g
+else
+CREATE:=./scripts/create.sh
+endif
 
 ifeq ($(ADK_TARGET_FS),genext2fs)
 imageinstall: $(FW_DIR)/$(ROOTFSTARBALL)
@@ -31,7 +36,7 @@ imageinstall: $(FW_DIR)/$(ROOTFSTARBALL)
 ifeq ($(ADK_HARDWARE_QEMU),y)
 	@cp $(KERNEL) $(FW_DIR)/$(TARGET_KERNEL)
 	@echo "Use following command to create a QEMU Image:"
-	@echo "./scripts/create.sh qemu-${CPU_ARCH}.img $(FW_DIR)/$(ROOTFSTARBALL)"
+	@echo "$(CREATE) qemu-${CPU_ARCH}.img $(FW_DIR)/$(ROOTFSTARBALL)"
 	@echo "Start qemu with following command line:"
 	@echo 'qemu-system-i386 ${ADK_QEMU_ARGS} -net user -net nic,model=e1000 -kernel $(FW_DIR)/$(TARGET_KERNEL) qemu-${CPU_ARCH}.img'
 endif