From: Simon Glass <sjg@chromium.org> Add a --rand option to enable access to /dev/random from QEMU. Signed-off-by: Simon Glass <sjg@chromium.org> --- scripts/build_helper.py | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/scripts/build_helper.py b/scripts/build_helper.py index caf83848bc3..b126dee34c6 100644 --- a/scripts/build_helper.py +++ b/scripts/build_helper.py @@ -178,6 +178,11 @@ sct_mnt = /mnt/sct else: tout.warning(f"Disk image '{disk}' not found") + if args.rand: + cmd.extend(['-object', 'rng-random,filename=/dev/random,id=rng0', + '-device', + 'virtio-rng-pci,rng=rng0,max-bytes=1024,period=1000']) + def add_common_args(parser): """Add some arguments which are common to build-efi/qemu scripts @@ -206,6 +211,8 @@ def add_common_args(parser): parser.add_argument( '-R', '--release', default='24.04.1', help='Select OS release version (e.g, 24.04) Default: 24.04.1') + parser.add_argument('--rand', '--random', action='store_true', + help='Provide a random-number device') parser.add_argument('-s', '--serial-only', action='store_true', help='Run QEMU with serial only (no display)') parser.add_argument( -- 2.43.0