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-rw-r--r--meta/classes/qemuboot.bbclass5
1 files changed, 5 insertions, 0 deletions
diff --git a/meta/classes/qemuboot.bbclass b/meta/classes/qemuboot.bbclass
index 68f7a03619..3162e7a8eb 100644
--- a/meta/classes/qemuboot.bbclass
+++ b/meta/classes/qemuboot.bbclass
@@ -65,6 +65,10 @@
# " -device virtio-serial-device -chardev socket,id=virtcon,port=@PORT@,host=127.0.0.1 -device virtconsole,chardev=virtcon"
# Note, runqemu will replace "@PORT@" with the port number which is used.
#
+# QB_ROOTFS_EXTRA_OPT: extra options to be appended to the rootfs device in case there is none specified by QB_ROOTFS_OPT.
+# Can be used to automatically determine the image from the other variables
+# but define things link 'bootindex' when booting from EFI or 'readonly' when using squashfs
+# without the need to specify a dedicated qemu configuration
# Usage:
# IMAGE_CLASSES += "qemuboot"
# See "runqemu help" for more info
@@ -77,6 +81,7 @@ QB_OPT_APPEND ?= "-show-cursor"
QB_NETWORK_DEVICE ?= "-device virtio-net-pci,netdev=net0,mac=@MAC@"
QB_CMDLINE_IP_SLIRP ?= "ip=dhcp"
QB_CMDLINE_IP_TAP ?= "ip=192.168.7.@CLIENT@::192.168.7.@GATEWAY@:255.255.255.0"
+QB_ROOTFS_EXTRA_OPT ?= ""
# This should be kept align with ROOT_VM
QB_DRIVE_TYPE ?= "/dev/sd"