From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fabrice Gautier To: Gary Thomas Cc: Jesper Skov , ecos-discuss@sources.redhat.com Subject: Re: [ECOS] Linux over RedBoot Date: Thu, 12 Jul 2001 05:30:00 -0000 Message-id: <20010712142618.0FD6.GAUTIER@email.enst.fr> References: X-SW-Source: 2001-07/msg00355.html On Thu, 12 Jul 2001 06:11:03 -0600 (MDT) Gary Thomas wrote: > > On 12-Jul-2001 Jesper Skov wrote: > >>>>>> "Fabrice" == Fabrice Gautier writes: > > > > Fabrice> Yes, one (for now) Does your linux kernel use Redboots > > Fabrice> Virtual Vectors and stuff or is Redboot just wiped from > > Fabrice> memory once the kernel is launched? > > > > RedBoot is wiped on all platforms. Linux runs directly on the > > hardware. > > > > However, on SH platforms RedBoot can still be used to debug the Linux > > kernel (via serial only though). > > This is purely a matter of *cooperation* - if the Linux kernel is willing > to cooperate with the debug agent [RedBoot], as with the SH version, then > many things are possible. In most cases, Linux considers itself omnipotent > and RedBoot is out of the picture the instant you say 'exec'. How come that the SH port of the linux kernel is cooperating with Redboot? Is it because the ones who initiated the SH port of the linux kernel had choosen redboot as their boot loader? Or has this been added afterward? Do you have any ideas of how dificult it would be to have this same cooperation for other linux kernel ports, eg i386 or arm ? -- Fabrice Gautier