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scripts/runqemu: Add possibility to disable network

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Default network configuration requires tun/tap module and while being
usable it conflicts with tap devices created by VPN clients sometimes
and requires root permissions to use . While it's possible to work
this around it's not always feasible if network is not required
Add nonetwork option which can be specified if the network connectivity is
not needed and SDL/serial is enough to communicate with the image.

(From OE-Core rev: d4073dedbb234ff3c6bbebafc836fedf90d96569)

Signed-off-by: Pavel Zhukov <pazhukov@suse.de>
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Pavel Zhukov 2023-04-18 15:33:25 +02:00 committed by Richard Purdie
parent d84eb2a5e4
commit c1e24cee0e
1 changed files with 6 additions and 1 deletions
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7
scripts/runqemu
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@ -66,6 +66,7 @@ of the following environment variables (in any order):
MACHINE - the machine name (optional, autodetected from KERNEL filename if unspecified)
Simplified QEMU command-line options can be passed with:
nographic - disable video console
nonetwork - disable network connectivity
novga - Disable VGA emulation completely
sdl - choose the SDL UI frontend
gtk - choose the Gtk UI frontend
@ -178,6 +179,7 @@ class BaseConfig(object):
self.serialconsole = False
self.serialstdio = False
self.nographic = False
self.nonetwork = False
self.sdl = False
self.gtk = False
self.gl = False
@ -495,6 +497,8 @@ to your build configuration.
self.check_arg_fstype(arg)
elif arg == 'nographic':
self.nographic = True
elif arg == "nonetwork":
self.nonetwork = True
elif arg == 'sdl':
self.sdl = True
elif arg == 'gtk':
@ -1224,7 +1228,8 @@ to your build configuration.
self.set('NETWORK_CMD', '%s %s' % (self.network_device.replace('@MAC@', mac), qemu_tap_opt))
def setup_network(self):
if self.get('QB_NET') == 'none':
if self.nonetwork or self.get('QB_NET') == 'none':
self.set('NETWORK_CMD', '-nic none')
return
if sys.stdin.isatty():
self.saved_stty = subprocess.check_output(("stty", "-g")).decode('utf-8').strip()