From: Wolfgang Denk <wd@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] Statically allocate a range of physical memory to an OS image.
Date: Tue, 27 May 2014 12:48:20 +0200 [thread overview]
Message-ID: <20140527104820.6CE0A3801AC@gemini.denx.de> (raw)
In-Reply-To: <1401177091915-180825.post@n7.nabble.com>
Dear "mazen.e",
In message <1401177091915-180825.post@n7.nabble.com> you wrote:
>
> I want to execute a an OS (either Linux or Android) on the Arndale exynos
> 5250 board. The board features 2 GB of RAM. However, I want to statically
> alloacate a specifc region of RAM (e.g. 1 GB) to be used by the OS, While
> the other 1 GB is reserved for other purposes.
If you boot an OS, you don;t reserve any memory in U-Boot at all. At
the moment U-Boot branches to the OS entry point, U-Boot is dead and
gone, including any memory alocation information that might have been
present in U-Boot.
It is then up to the OS to set up it's own memory manegement.
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
Every solution breeds new problems.
next prev parent reply other threads:[~2014-05-27 10:48 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-27 7:51 [U-Boot] Statically allocate a range of physical memory to an OS image mazen.e
2014-05-27 10:48 ` Wolfgang Denk [this message]
2014-05-27 11:46 ` mazen.e
2014-05-27 12:37 ` Wolfgang Denk
2014-05-27 13:19 ` mazen.e
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