Re: [MiNT] XaAES and appl_init()

[Vincent Rivière <vincent.riviere@freesbee.fr>]

On 27/02/2013 08:07, Helmut Karlowski wrote:
> Why does it work on real hardware and real TOS then?

When you reported that issue on the EmuTOS mailing list, I wrote a 
testcase calling appl_init() from supervisor mode, and it failed equally 
on Hatari (or ARAnyM?) with EmuTOS and TOS 4.04.

See the whole thread:
http://sourceforge.net/mailarchive/forum.php?thread_name=op.wrfrvji5ofd6j1%40nebbiolo&forum_name=emutos-devel

And the testcase appl.zip:
http://sourceforge.net/mailarchive/attachment.php?list_name=emutos-devel&message_id=51154B9C.1040605%40freesbee.fr&counter=1

IMHO, since calling appl_init() from supervisor mode is illegal, it 
might randomly crash or not, depending on data present on USP or 
somewhere else. It worked in EmuTOS 0.8.7 by chance, but now it crashes.

> - Apply my EmuTOS-patch, which would also allow XaAES to run from
> EmuTOS (at least in my version).

Your patch was actually detecting the presence of FreeMiNT, then 
avoiding the call scrp_write() to artificially avoid the crash. While it 
was a good workaround, it can't be a clean solution.

--
Vincent Rivière