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Re: who use the RAM block between 0x0 and 0xfcb8 ??


On Thu, 2005-08-25 at 11:34 +0800, Steven_cheng wrote:
> Dear All,
> 
> Thank you for your reply! But I have a question.
> 
>     Can I move the RedBoot workspace to other address, because I have
> an application located at 0x0.  I hope to empty the address 0x0 in the ROM /
> ROMRAM modes
> 
> How can I do for it ??

I don't know what platform/architecture you are using, but moving the
data space (RedBoot's workspace) to another location, while possible,
is probably a non-trivial job.

What kind of application do you have/need at 0x0?

> 
> Thank you~~
> 
> 
> ----- Original Message ----- 
> From: "Gary Thomas" <gary@mlbassoc.com>
> To: "Steven_cheng" <05071@alphanetworks.com>
> Cc: "eCos Discussion" <ecos-discuss@ecos.sourceware.org>
> Sent: Wednesday, August 24, 2005 8:09 PM
> Subject: Re: [ECOS] who use the RAM block between 0x0 and 0xfcb8 ??
> 
> 
> > On Wed, 2005-08-24 at 17:50 +0800, Steven_cheng wrote:
> > > Dear all,
> > >
> > >     I have one question about the RAM memory usage, because I
> > > found that the RAM address 0x0 -0xfcb8 is always used.
> > >
> > > The following list is presented in my environmenet:
> > >
> > > 1. ROM mode:
> > > RAM: 0x00000000-0x10000000, [0x0000fcb8-0x0ffdd000] available
> > >
> >
> > This is the workspace (variables, etc) for RedBoot
> >
> > > 2. ROMRAM mode:
> > > RAM: 0x00000000-0x10000000, [0x00042678-0x0ffdd000] available
> > >
> >
> > Workspace + RedBoot code (instructions)
> >
> > > 3: RAM mode:
> > > RAM: 0x00000000-0x10000000, [0x0007ebf8-0x0ffdd000] available
> > >
> >
> > Workspace + RedBoot code (instructions), this time loaded at a
> > higher address which does not conflict with what is used in
> > ROMRAM mode.
> >
> > >
> > > Anybody can tell me who use the RAM block between 0x0 and 0xfcb8 ??
> > >
> > > Thank you~~
> > >
> >
> > -- 
> > ------------------------------------------------------------
> > Gary Thomas                 |  Consulting for the
> > MLB Associates              |    Embedded world
> > ------------------------------------------------------------
> >
> >
> > -- 
> > Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos
> > and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss
> >
> 
> 
-- 
------------------------------------------------------------
Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
------------------------------------------------------------


-- 
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