[U-Boot] [PATCH] ARMv8/sec_firmware : Update chosen/kaslr-seed

Ruchika Gupta ruchika.gupta at nxp.com
Wed May 17 03:27:03 UTC 2017



> -----Original Message-----
> From: Peter Robinson [mailto:pbrobinson at gmail.com]
> Sent: Monday, May 15, 2017 6:18 PM
> To: Ruchika Gupta <ruchika.gupta at nxp.com>
> Cc: u-boot at lists.denx.de; sun.york at nxp.com; Prabhakar Kushwaha
> <prabhakar.kushwaha at nxp.com>
> Subject: Re: [U-Boot] [PATCH] ARMv8/sec_firmware : Update chosen/kaslr-
> seed
> 
> On Sat, May 13, 2017 at 1:07 AM, Ruchika Gupta <ruchika.gupta at nxp.com>
> wrote:
> > kASLR support in kernel requires a random number to be passed via
> > chosen/kaslr-seed propert. sec_firmware generates this random seed
> > which can then be passed in the device tree node
> 
> Is that functionality generic that it can be consumed by other devices?
Sec firmware is proprietary firmware which provides this random seed using HW engine on NXP devices.
Other devices would need to generate their own random seed to be passed as this property.

Ruchika


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