running on psim

Joel Sherrill joel.sherrill at
Thu Nov 30 22:25:27 UTC 2000

Fitzgerald Dennis J Contr AFRL/IFTC wrote:
> Hello,
> I am running RTEMS on the GNU psim simulator on a sparc workstaion.  When I
> attempt to do an rtems_event_receive(), I get the following error.  Would
> anyone have a idea as to what may be wrong?
> cpu 1, cia 0xfff00700: double interrupt - MSR[RI] bit clear when attempting
> to deliver interrupt, ci
> a=0xfff00700, msr=0x1040; srr0=0x8d64(cia), srr1=0x2b042(msr);
> trap-vector=0x700, trap-msr=0x1040
> project.exe: Caught signal -1 at address 0xfff00700

This should be an FP instruction was executed in a non-FP task. 
7 is FP unavailable.

> Thanks,

Joel Sherrill, Ph.D.             Director of Research & Development
joel at                 On-Line Applications Research
Ask me about RTEMS: a free RTOS  Huntsville AL 35805
Support Available                (256) 722-9985

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