public inbox for ecos-discuss@sourceware.org
 help / color / mirror / Atom feed
From: Andrew Lunn <andrew.lunn@ascom.ch>
To: Dave Airlie <airlied@parthus.com>
Cc: ecos-discuss@sources.redhat.com
Subject: Re: [ECOS] PID ROM and eCos
Date: Wed, 24 Jan 2001 07:27:00 -0000	[thread overview]
Message-ID: <20010124162707.B12707@biferten.ma.tech.ascom.ch> (raw)
In-Reply-To: <Pine.LNX.4.21.0101241502560.25355-200000@platinum.limerick.sslinc.com>

> Hi,
> 	I've got an application that uses serial, and I seem to be getting
> serial overruns at 38400 on the serial port on the PID but only when I'm
> running eCos out of the FLASH on board, the flash is 16-bit so is probably
> slow to load stuff from, 
> 
> So my question is how feasible is to build eCos for RAM, and build a small
> routine to link against it that boots up and copies all of eCos into RAM
> and starts it ?

Some platforms support ROMRAM. The HAL copies itself out of ROM into
RAM and then executes. I'd suggest you find such a HAL and use it as a
template to make your HAL do the same.

        Andrew

  reply	other threads:[~2001-01-24  7:27 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-01-24  7:12 Dave Airlie
2001-01-24  7:27 ` Andrew Lunn [this message]
2001-01-24  7:42 ` Grant Edwards
2001-01-24  8:02   ` Gary Thomas
2001-01-24 11:08     ` Jonathan Larmour
2001-01-24 11:15       ` Dave Airlie
2001-01-24 11:20       ` Gary Thomas
2001-01-24 11:39         ` Jonathan Larmour
2001-01-25  9:53           ` Dave Airlie

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20010124162707.B12707@biferten.ma.tech.ascom.ch \
    --to=andrew.lunn@ascom.ch \
    --cc=airlied@parthus.com \
    --cc=ecos-discuss@sources.redhat.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).