From b6b985a22393931adef3412e726832848c41ce64 Mon Sep 17 00:00:00 2001 From: Khem Raj Date: Wed, 23 Sep 2020 18:25:06 -0700 Subject: qemuboot: Add QB_RNG variable RNG passthru has been enabled on all qemu machines but its being added to each one of them, with this patch its turned into QB variables which defaults to host passthru, yet it can be overridden if needed via machine or config metadata if needed. (From OE-Core rev: 26dd24506ef36088e17f999ce5489dc4b72194e8) Signed-off-by: Khem Raj Signed-off-by: Richard Purdie --- meta/classes/qemuboot.bbclass | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'meta/classes') diff --git a/meta/classes/qemuboot.bbclass b/meta/classes/qemuboot.bbclass index d8f62ef6ea..824676216e 100644 --- a/meta/classes/qemuboot.bbclass +++ b/meta/classes/qemuboot.bbclass @@ -29,6 +29,9 @@ # QB_AUDIO_OPT: qemu audio option, e.g., "-soundhw ac97,es1370", used # when QB_AUDIO_DRV is set. # +# QB_RNG: Pass-through for host random number generator, it can speedup boot +# in system mode, where system is experiencing entropy starvation +# # QB_KERNEL_ROOT: kernel's root, e.g., /dev/vda # # QB_NETWORK_DEVICE: network device, e.g., "-device virtio-net-pci,netdev=net0,mac=@MAC@", @@ -77,6 +80,7 @@ QB_MEM ?= "-m 256" QB_SERIAL_OPT ?= "-serial mon:stdio -serial null" QB_DEFAULT_KERNEL ?= "${KERNEL_IMAGETYPE}" QB_DEFAULT_FSTYPE ?= "ext4" +QB_RNG ?= "-object rng-random,filename=/dev/urandom,id=rng0 -device virtio-rng-pci,rng=rng0" QB_OPT_APPEND ?= "" QB_NETWORK_DEVICE ?= "-device virtio-net-pci,netdev=net0,mac=@MAC@" QB_CMDLINE_IP_SLIRP ?= "ip=dhcp" -- cgit v1.2.3-54-g00ecf