On 22.09.23 18:54, Kinsey Moore wrote:
On Fri, Sep 22, 2023 at 10:46 AM Kinsey Moore <kinsey.mo...@oarcorp.com
<mailto:kinsey.mo...@oarcorp.com>> wrote:
On Fri, Sep 22, 2023 at 7:44 AM Sebastian Huber
<sebastian.hu...@embedded-brains.de
<mailto:sebastian.hu...@embedded-brains.de>> wrote:
On 21.09.23 16:59, Kinsey Moore wrote:
> Ok, thanks! I'll take a look and see what I can find.
Thanks, I did run the test case also on riscv and it worked fine in
uniprocessor and SMP configurations.
Without the patch on SMP, I'm seeing a hang on "B:RtemsIntrReqRaise"
on QEMU (latest from RSB). With the patch on SMP, I'm seeing a
somewhat different assert from inside _Thread_Handler on line 139.
It seems related, so I'll keep looking into it.
It looks like the "msr spsel, #" directives are swapped in the wrapper
function that gets the non-interrupt stack pointer. This has the result
of corrupting the interrupt stack with a value from the non-interrupt
stack and leaving the interrupt stack in a state to continue
recorrupting the non-interrupt stack. As you can imagine, this causes
some problems. Swapping the spsel assembly seems to resolve the issue.
Thanks for having a look at this. I changed the code and now it works.
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