scripts/runqemu: Add snapshot support
Allow access to the snapshot option of qemu to simplify some of our runtime testing to avoid copying images. (From OE-Core rev: 8fec4a5a004f0e99734f8c0820c66522d08f213e) Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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@ -162,6 +162,7 @@ class BaseConfig(object):
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self.lock = ''
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self.lock_descriptor = ''
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self.bitbake_e = ''
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self.snapshot = False
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self.fstypes = ('ext2', 'ext3', 'ext4', 'jffs2', 'nfs', 'btrfs', 'cpio.gz', 'cpio', 'ramfs')
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self.vmtypes = ('hddimg', 'hdddirect', 'wic', 'vmdk', 'qcow2', 'vdi', 'iso')
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@ -328,6 +329,8 @@ class BaseConfig(object):
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self.vhost_enabled = True
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elif arg == 'slirp':
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self.slirp_enabled = True
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elif arg == 'snapshot':
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self.snapshot = True
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elif arg == 'publicvnc':
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self.qemu_opt_script += ' -vnc :0'
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elif arg.startswith('tcpserial='):
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@ -809,6 +812,9 @@ class BaseConfig(object):
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# Enable virtio RNG else we can run out of entropy in guests
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self.qemu_opt += " -device virtio-rng-pci"
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if self.snapshot:
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self.qemu_opt += " -snapshot"
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if self.serialstdio:
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logger.info("Interrupt character is '^]'")
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cmd = "stty intr ^]"
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