instruction access exception

Ingolf Steinbach ingolf.steinbach at
Fri May 11 18:49:18 UTC 2007

2007/5/9, Joel Sherrill <joel.sherrill at>:
> Ingolf Steinbach wrote:
> > hwulf at schrieb:
> >> Unexpected trap <0x01> at address 0xd0142300c
> >> instruction access exception
> >
> The SPARC BSPs all end with a trap.  Double check that this isn't a normal
> exit on an error detection path.  The key is whether or not that is a
> valid address
> for code in your program.

AFAIK, they typically end with software trap #0 ("ta, 0" instruction).
If the above message was generated on leon2, anything in the area
0xd0000000 or above is not reasonable for the PC thus leading to
"instruction access exception". (Note that the above address has
9 hex digits, which is probably a typo.)


[resent due to legal concerns]

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