On Wed, 27 Jan 2010, Spencer Oliver wrote:
> > When do_semihosting() returns with an error, the caller should return right
> > away with 1 as the original code did and not 0 like the patch does.
> >
>
> I am confused as the code in git master is:
> if ((*retval = do_semihosting(target, &arm->semi_hosting_info)) != ERROR_OK)
> return 0;
>
> this codepath has not changed.
Where is that?
My repository is currently at:
33fc60b SVF: all content between parentheses is one parameter
and the code that your patch changed is still:
*retval = do_semihosting(target);
return 1;
at the very end of arm_semihosting().
Nicolas
> > Also I don't like the fact that the introduced arm_semi_hosting structure
> > (which could have been done in a patch of its own btw) is carrying fields
> > that are valid only for one particular instance of a semihosting call and
> > therefore should have been kept local to the implementation rather than
> > growing the arm structure uselessly. Those are "result" and "core_cache".
> > I think that getting r0 and r1 should be abstracted out of do_semihosting()
> > and passed directly by both callers instead, etc.
> >
>
> it is wip, and so can be cleaned up quite a bit.
Sure, hence my comments. But David apparently has a better solution in
mind.
> > Finally the fix for FLEN could be split in a patch of its own too as this is
> > clearly an orthogonal issue.
> >
>
> this can be done no problem.
Thanks.
Nicolas
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