From: Dan Hovang <dan.hovang@cpen.com>
To: Grant Edwards <grante@visi.com>
Cc: ecos-discuss@sourceware.cygnus.com
Subject: Re: [ECOS] ARM vectors.S question
Date: Wed, 27 Oct 1999 01:04:00 -0000 [thread overview]
Message-ID: <3816B15B.E19F8BD8@cpen.com> (raw)
In-Reply-To: <19991026154448.A15481@visi.com>
Grant Edwards wrote:
>
> I'm in the process of getting eCOS to run on a Samsung SNDS eval board
> (ARM7TDMI core w/ a bunch of on-chip Samsung peripherals). The file
> ecos-1.2.1/packages/hal/arm/arch/v1_2_1/src/vectors.S claims to be
> platform independent, yet it seems to make assumptions about the
> memory map that are platform-dependent.
>
> For example, it assumes that there is RAM at address 0 so the
> startup code initializes the exception vectors that are at address 0.
>
> Am I missing something?
I'm using eCos in two different (allthough similar) StrongARM designs.
Both of theese start from FlashROM and works fine. When creating the
buildtree I use the option --startup=rom to define CYG_HAL_STARTUP_ROM
and undefine CYG_HAL_STARTUP_RAM. The default option is --startup=ram.
--
Dan Hovang (dh@cpen.com)
CTechnologies AB
Ideon Research Park
Scheelev 15
223 70 Lund
Sweden
next prev parent reply other threads:[~1999-10-27 1:04 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-10-26 13:44 Grant Edwards
1999-10-26 15:05 ` Gary Thomas
1999-10-26 18:42 ` Grant Edwards
1999-10-27 4:00 ` Hugo Tyson
1999-10-27 5:14 ` Gary Thomas
1999-10-27 7:01 ` Grant Edwards
1999-10-27 7:09 ` Gary Thomas
1999-10-27 1:04 ` Dan Hovang [this message]
2013-10-12 14:54 [ECOS] ARM Vectors.S Question Michael Jones
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