From: swarren@wwwdotorg•org (Stephen Warren)
To: linux-arm-kernel@lists•infradead.org
Subject: Multi-platform, and secure-only ARM errata workarounds
Date: Wed, 06 Mar 2013 09:18:26 -0700 [thread overview]
Message-ID: <51376C52.8050007@wwwdotorg.org> (raw)
In-Reply-To: <20130306081401.GN27241@tbergstrom-lnx.Nvidia.com>
On 03/06/2013 01:14 AM, Peter De Schrijver wrote:
...
> I was under the
> impression there is no way to know if you're running in secure mode
> or non-secure mode.
There's no ARM-architected way. Given Tegra's implementation, there are
apparently some registers that behave differently that we can use (e.g.
read value values in secure mode, 0xffffffff in non-secure etc.)
next prev parent reply other threads:[~2013-03-06 16:18 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-25 23:47 Multi-platform, and secure-only ARM errata workarounds Stephen Warren
2013-02-26 9:36 ` Marc Dietrich
2013-02-26 16:39 ` Stephen Warren
2013-02-26 22:31 ` Nicolas Pitre
2013-02-27 9:03 ` Marc Dietrich
2013-02-27 14:00 ` Rob Herring
2013-02-27 17:42 ` Stephen Warren
2013-02-28 13:58 ` Marc Dietrich
2013-02-26 10:23 ` Arnd Bergmann
2013-02-26 10:31 ` Catalin Marinas
2013-02-26 10:35 ` Catalin Marinas
2013-02-26 10:48 ` Arnd Bergmann
2013-02-26 11:11 ` Catalin Marinas
2013-02-26 11:35 ` Russell King - ARM Linux
2013-02-26 14:07 ` Rob Herring
2013-02-26 18:01 ` Stephen Warren
2013-02-26 18:11 ` Russell King - ARM Linux
2013-02-26 18:30 ` Stephen Warren
2013-02-26 18:49 ` Russell King - ARM Linux
2013-02-27 6:07 ` Santosh Shilimkar
2013-03-01 17:37 ` Stephen Warren
2013-03-01 18:05 ` Russell King - ARM Linux
2013-03-04 6:34 ` Peter De Schrijver
2013-03-04 9:16 ` Peter De Schrijver
2013-03-04 17:08 ` Stephen Warren
2013-03-05 7:40 ` Peter De Schrijver
2013-03-05 17:00 ` Stephen Warren
2013-03-06 8:14 ` Peter De Schrijver
2013-03-06 16:18 ` Stephen Warren [this message]
2013-03-10 17:25 ` Santosh Shilimkar
2013-03-10 18:47 ` Olof Johansson
2013-03-11 16:59 ` Stephen Warren
2013-03-11 18:54 ` Jason Gunthorpe
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