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Re: [Qemu-devel] [PATCH v2] hw/misc: Add Exynos4210 Pseudo Random Number
Re: [Qemu-devel] [PATCH v2] hw/misc: Add Exynos4210 Pseudo Random Number Generator
Tue, 4 Apr 2017 13:09:08 +0100
On 18 March 2017 at 19:25, Krzysztof Kozlowski <address@hidden> wrote:
> Add emulation for Exynos4210 Pseudo Random Number Generator which could
> work on fixed seeds or with seeds provided by True Random Number
> Generator block inside the SoC.
> Implement only the fixed seeds part of it in polling mode (no
> interrupts). Simple testing:
> # echo "exynos" > /sys/class/misc/hw_random/rng_current
> # dd if=/dev/hwrng of=/dev/null bs=1 count=16
> Signed-off-by: Krzysztof Kozlowski <address@hidden>
> Changes since v1:
> 1. Use GRand-like functions to fix build on MingW32 (this adds also
> 2. Add DPRINTF macro.
> 3. Use HWADDR_PRIx and family for printing values.
Is there a data sheet that describes this RNG? I had a quick google
but couldn't find anything in the 4210 manual you can get from Samsung.
In particular I'm not sure we want to use GRand here.
- Re: [Qemu-devel] [PATCH v2] hw/misc: Add Exynos4210 Pseudo Random Number Generator,
Peter Maydell <=