Re: [hatari-devel] TT emulation crashes when there is no ACSI drive |
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- To: hatari-devel@xxxxxxxxxxxxxxxxxxx
- Subject: Re: [hatari-devel] TT emulation crashes when there is no ACSI drive
- From: Christian Zietz <czietz@xxxxxxx>
- Date: Fri, 16 Aug 2019 07:47:33 +0200
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Thomas Huth schrieb:
> Am Mon, 12 Aug 2019 05:09:48 +0200
> schrieb Thorsten Otto <admin@xxxxxxxxxxx>:
>> At least in the freshly executed Program, the SR will be reset to
>> zero, so i don't think that disabling interrupts will help much.
> But the freshly executed program will have a new stack, won't it? So
> there should be at least some space again...
Yes, a new process will not inherit the stack (neither user nor
supervisor) from the caller. Therefore, in this case only the "AUTO
runner" process itself [1] is critical because it sets up a very small
stack.
Regards
Christian
[1]
<https://github.com/sarnau/AtariSTRomListings/blob/622ccfdd120cdbb9a005b7de84a4562bf9dc28da/TOS206%2C206STBook%2C206.asm#L2596>.
It then calls Pexec in line 2634.
--
Christian Zietz - CHZ-Soft - czietz@xxxxxxx
WWW: http://www.chzsoft.de/
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