This is the mail archive of the
ecos-discuss@sources.redhat.com
mailing list for the eCos project.
RE: ecos start in ram
- To: james chen <james_ch1 at sina dot com>
- Subject: RE: [ECOS] ecos start in ram
- From: Gary Thomas <gthomas at cambridge dot redhat dot com>
- Date: Thu, 15 Feb 2001 20:11:51 -0700 (MST)
- Cc: ecos-discuss at sources dot redhat dot com
- Organization: Red Hat, Inc.
On 16-Feb-2001 james chen wrote:
> Hello,
>
> now I am porting eCos to my test board (based ARM7TDMI), the ROM
> address is 0x0 and the
> RAM address is 0xc000000, but in ecos the RAM address is 0x0, so how to
> config memory layout to run Redboot and eCos? I also think the vectors.S
> file should be changed, will you tell any?
This sounds very much like the Assabet (SA1110) system. We use the MMU
to remap memory, swapping the RAM and ROM addresses around.