From: Grant Edwards <grante@visi.com>
To: ecos-discuss@sources.redhat.com
Subject: Re: [ECOS] RedBoot porting
Date: Mon, 08 Jan 2001 07:31:00 -0000 [thread overview]
Message-ID: <20010108093453.D10230@visi.com> (raw)
In-Reply-To: <20010108092928.I10158@biferten.ma.tech.ascom.ch>
On Mon, Jan 08, 2001 at 09:29:28AM +0100, Andrew Lunn wrote:
> > If I do not want RedBoot to provide any services to user
> > applications, do I still need to implement virtual vector
> > support in my HAL? [Having application code depend on services
> > available in the boot loader is way too high-risk, since there
> > isn't going to be any way to upgrade the boot loader in the
> > field.]
>
> Even if you could try to upgrade the boot loader in the field, its
> hard to do. In my case the boot loader is in FLASH. My code has a TFTP
> server running that allows me to download new images into the
> FLASH. The problem with redboot is that you have no control when it
> tries to jump into the ROM.
[...]
That's the main reason I'm thinking about running RedBoot from
RAM (copy from ROM on startup). Updating flash while you're
running from it is a royal pain.
--
Grant Edwards
grante@visi.com
next prev parent reply other threads:[~2001-01-08 7:31 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
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 [this message]
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
2001-01-08 4:36 Doug Fraser
2001-01-08 4:54 ` Jesper Skov
2001-01-08 7:34 ` Grant Edwards
2001-01-08 5:32 Doug Fraser
[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
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
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