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Subject: Re: [RFC 0/5] drivers: Add boot constraints core
To: Russell King - ARM Linux <linux@armlinux.org.uk>,
        Viresh Kumar <viresh.kumar@linaro.org>
References: <cover.1498642745.git.viresh.kumar@linaro.org>
 <20170629124908.GV4902@n2100.armlinux.org.uk>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Rafael Wysocki <rjw@rjwysocki.net>,
        Vincent Guittot <vincent.guittot@linaro.org>,
        Rob Herring <robh@kernel.org>, Stephen Boyd <sboyd@codeaurora.org>,
        linux-kernel@vger.kernel.org, Mark Brown <broonie@kernel.org>,
        rnayak@codeaurora.org, Shiraz Hashim <shashim@codeaurora.org>,
        linux-arm-kernel@lists.infradead.org
From: "Enrico Weigelt, metux IT consult" <enrico.weigelt@gr13.net>
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Date: Thu, 29 Jun 2017 13:05:42 +0000
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On 29.06.2017 12:49, Russell King - ARM Linux wrote:

> The location of the frame buffer is unknown to the decompressor - and
> as the decompressor self-relocates itself (using purely assembly code),
> it could relocate itself on top of the frame buffer, causing the "nice"
> image to become very colourful.

Could the bootloader pass safe (or blocked) memory regions to the
decompressor ?

--mtx