From: Grant Edwards <grante@visi.com>
To: Gary Thomas <gthomas@redhat.com>,
Andrew Lunn <andrew.lunn@ascom.ch>,
eCos Disuss <ecos-discuss@sourceware.cygnus.com>
Subject: Re: [ECOS] RedBoot porting
Date: Tue, 09 Jan 2001 09:12:00 -0000 [thread overview]
Message-ID: <20010109111635.A12365@visi.com> (raw)
In-Reply-To: <20010109180441.G10771@biferten.ma.tech.ascom.ch>
On Tue, Jan 09, 2001 at 06:04:41PM +0100, Andrew Lunn wrote:
> > Running RedBoot from RAM solves these problems, doesn't it?
>
> Yes. It just needs to be made to do that. At the moment it cannot do
> it on its own. At least the EBSA does not have a ROMRAM start option
> in its HAL.
Does RedBoot use the same vectors.S start-up code that eCos
uses?
I currently tuck some memory configurator code in the first
100H bytes in my ARM eCos apps (the space where the interrupt
vector table and the VSR tables go). I was planning on doing
something similar with RedBoot: A block of code starting at
address 0 (where the interrupt vectors will later reside) will
reconfigure memory and copy RedBoot into RAM, then jump to it.
--
Grant Edwards
grante@visi.com
next prev parent reply other threads:[~2001-01-09 9:12 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20010108171508.U10158@biferten.ma.tech.ascom.ch>
[not found] ` <XFMail.20010108095423.gthomas@redhat.com>
2001-01-09 0:50 ` Andrew Lunn
2001-01-09 8:57 ` Grant Edwards
2001-01-09 9:05 ` Andrew Lunn
2001-01-09 9:12 ` Grant Edwards [this message]
2001-01-09 9:09 ` Gary Thomas
2001-01-09 9:24 ` Grant Edwards
2001-01-09 9:47 ` Andrew Lunn
2001-01-09 10:08 ` Lewin A.R.W. Edwards
2001-01-09 10:30 ` Grant Edwards
2001-01-09 10:39 ` Andrew Lunn
2001-01-09 11:24 ` Grant Edwards
2003-09-16 2:55 [ECOS] redboot porting yu weiping
-- strict thread matches above, loose matches on Subject: below --
2001-01-08 5:32 [ECOS] RedBoot porting Doug Fraser
2001-01-08 4:36 Doug Fraser
2001-01-08 4:54 ` Jesper Skov
2001-01-08 7:34 ` Grant Edwards
2001-01-05 9:49 Grant Edwards
2001-01-05 15:41 ` Jonathan Larmour
2001-01-08 0:08 ` Jesper Skov
2001-01-08 0:29 ` Andrew Lunn
2001-01-08 1:09 ` Jesper Skov
2001-01-08 2:36 ` Andrew Lunn
2001-01-08 3:04 ` Jesper Skov
2001-01-08 7:31 ` Grant Edwards
2001-01-08 7:40 ` Lewin A.R.W. Edwards
2001-01-08 8:24 ` Grant Edwards
2001-01-08 7:42 ` Gary Thomas
2001-01-08 7:57 ` Grant Edwards
2001-01-08 7:59 ` Andrew Lunn
2001-01-08 8:07 ` Gary Thomas
2001-01-08 14:42 ` Grant Edwards
2001-01-08 16:26 ` Gary Thomas
2001-01-09 7:33 ` Grant Edwards
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