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runqemu: add QB_ROOTFS_EXTRA_OPT parameter

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Content of the optional parameter will be appended to the rootfs-device
in the qemu configuration, in case QB_ROOTFS_OPT is not specified.
By default this is empty.

Example use cases are:

Defining 'readonly' when using squashfs, so multiple instances of qemu
can share the same base image, something that cannot be done by just
specifying 'snapshot'.

Defining 'bootindex=0' which helps to get past the EFI shell in
ovmf-binary. This also enables the use case of running WIC images with
EFI bootloader through the testimage.bbclass.

(From OE-Core rev: 1a5cb1bd56be2b784208516a7c73c49906c7022f)

Signed-off-by: Konrad Weihmann <kweihmann@outlook.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit e9b8c194636cb5505774a2a71bf54450580dd5b8)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Konrad Weihmann
2020-04-15 20:39:31 +02:00
committed by Richard Purdie
parent c330f61704
commit 81c46e46a8
2 changed files with 13 additions and 3 deletions
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11
scripts/runqemu
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@@ -1196,6 +1196,10 @@ class BaseConfig(object):
else:
self.rootfs_options = '-drive file=%s,if=virtio,format=%s' % (self.rootfs, rootfs_format)
qb_rootfs_extra_opt = self.get("QB_ROOTFS_EXTRA_OPT")
if qb_rootfs_extra_opt and not qb_rootfs_extra_opt.startswith(","):
qb_rootfs_extra_opt = "," + qb_rootfs_extra_opt
if self.fstype in ('cpio.gz', 'cpio'):
self.kernel_cmdline = 'root=/dev/ram0 rw debugshell'
self.rootfs_options = '-initrd %s' % self.rootfs
@@ -1208,14 +1212,15 @@ class BaseConfig(object):
drive_type = self.get('QB_DRIVE_TYPE')
if drive_type.startswith("/dev/sd"):
logger.info('Using scsi drive')
vm_drive = '-drive if=none,id=hd,file=%s,format=%s -device virtio-scsi-pci,id=scsi -device scsi-hd,drive=hd' \
% (self.rootfs, rootfs_format)
vm_drive = '-drive if=none,id=hd,file=%s,format=%s -device virtio-scsi-pci,id=scsi -device scsi-hd,drive=hd%s' \
% (self.rootfs, rootfs_format, qb_rootfs_extra_opt)
elif drive_type.startswith("/dev/hd"):
logger.info('Using ide drive')
vm_drive = "-drive file=%s,format=%s" % (self.rootfs, rootfs_format)
elif drive_type.startswith("/dev/vdb"):
logger.info('Using block virtio drive');
vm_drive = '-drive id=disk0,file=%s,if=none,format=%s -device virtio-blk-device,drive=disk0' % (self.rootfs, rootfs_format)
vm_drive = '-drive id=disk0,file=%s,if=none,format=%s -device virtio-blk-device,drive=disk0%s' \
% (self.rootfs, rootfs_format,qb_rootfs_extra_opt)
else:
# virtio might have been selected explicitly (just use it), or
# is used as fallback (then warn about that).