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User or Supervisor
- Date: Fri, 16 Nov 2001 17:06:22 +0000
- From: gerke.kok at tpa-nl.com (Gerke Kok)
- Subject: User or Supervisor
Hmm, I'l have to find the place that turns it of then... Thanks, I'll look into it. I hope my boot-loader does nog turn it of...
*********** REPLY SEPARATOR ***********
On 16/11/01 at 10:43 Eric Norum wrote:
>Gerke Kok wrote:
>> Hello RTEMS-gen68360 users,
>> I here have a strange question. Does the CPU-context_switch need to be
>run in Supervisor-mode or can it be run in user-mode as well. It looks
>like my system has trouble with this. Is traps to an interupt when the
>instruction movew d1,sr is executed. This is in the one in the m68k-BSP
>> My situation:
>> I use rtems-4.5.0 and a modified version of the gen68360-BSP
>> Tool-chain nicely provided by OAR (thanks a LOT!)
>> The board loads the code (hello.exe) via a propriety TFTP-client into
>memory starting at 0x408000 and starts executing it.
>RTEMS is superviser-only.
>As you discovered, lots of things will break if you try to run in user
>Eric Norum eric.norum at usask.ca
>Department of Electrical Engineering Phone: (306) 966-5394
>University of Saskatchewan FAX: (306) 966-5407