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Re: [Qemu-devel] [PATCH v2] target-arm: Implement BCM2835 hardware RNG

From: Peter Maydell
Subject: Re: [Qemu-devel] [PATCH v2] target-arm: Implement BCM2835 hardware RNG
Date: Fri, 17 Feb 2017 12:54:51 +0000

On 10 February 2017 at 21:08, Marcin Chojnacki <address@hidden> wrote:
> Recent vanilla Raspberry Pi kernels started to make use of
> the hardware random number generator in BCM2835 SoC. As a
> result, those kernels wouldn't work anymore under QEMU
> but rather just freeze during the boot process.
> This patch implements a trivial BCM2835 compatible RNG,
> and adds it as a peripheral to BCM2835 platform, which
> allows to boot a vanilla Raspberry Pi kernel under Qemu.

So this looks good to me (other than the rand issue which
I just posted a patch for). My testing shows that it
definitely helps for the raspbian image I just downloaded.
However although the kernel boots OK it hangs indefinitely
because it can't find a root filesystem -- presumably
it doesn't see the sd card. Do you see that, or does it
work for you?

-- PMM

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