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qemuboot: Add QB_RNG variable

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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 <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Khem Raj
2020-09-23 18:25:06 -07:00
committed by Richard Purdie
parent 6890a23a18
commit b6b985a223
9 changed files with 5 additions and 16 deletions
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meta/classes/qemuboot.bbclass
+4
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@@ -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"