Re: [I] [BUG] Potential pointer arithmetic issue? [nuttx]

2025-06-18 Thread via GitHub


acassis commented on issue #16386:
URL: https://github.com/apache/nuttx/issues/16386#issuecomment-2984159211

   @emomaxd if you can, please submit your port to mainline, it could help more 
people to experiment and it ends up evolving the support faster


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Re: [I] [BUG] Potential pointer arithmetic issue? [nuttx]

2025-06-18 Thread via GitHub


emomaxd closed issue #16386: [BUG] Potential pointer arithmetic issue?
URL: https://github.com/apache/nuttx/issues/16386


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Re: [I] [BUG] Potential pointer arithmetic issue? [nuttx]

2025-06-17 Thread via GitHub


linguini1 commented on issue #16386:
URL: https://github.com/apache/nuttx/issues/16386#issuecomment-2982059805

   > @linguini1 I don't work on this anymore, so I can't help with that.
   
   Can the issue be closed then?


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Re: [I] [BUG] Potential pointer arithmetic issue? [nuttx]

2025-06-17 Thread via GitHub


emomaxd commented on issue #16386:
URL: https://github.com/apache/nuttx/issues/16386#issuecomment-2982058318

   @linguini1 I don't work on this anymore, so I can't help with that.


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Re: [I] [BUG] Potential pointer arithmetic issue? [nuttx]

2025-06-16 Thread via GitHub


linguini1 commented on issue #16386:
URL: https://github.com/apache/nuttx/issues/16386#issuecomment-2977973662

   @emomaxd Any updates on this?
   


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Re: [I] [BUG] Potential pointer arithmetic issue? [nuttx]

2025-05-17 Thread via GitHub


emomaxd commented on issue #16386:
URL: https://github.com/apache/nuttx/issues/16386#issuecomment-2888465254

   Thanks for your concern, I’ll let you know on Monday.


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Re: [I] [BUG] Potential pointer arithmetic issue? [nuttx]

2025-05-17 Thread via GitHub


linguini1 commented on issue #16386:
URL: https://github.com/apache/nuttx/issues/16386#issuecomment-2888415655

   I am also not too sure here. As others pointed out, `volatile uint32_t *stk 
= (void *)*g_idle_topstack;` is an odd expression. Can you confirm that 
`volatile uint32_t *stk = (void *)g_idle_topstack;` also didn't work?


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Re: [I] [BUG] Potential pointer arithmetic issue? [nuttx]

2025-05-17 Thread via GitHub


acassis commented on issue #16386:
URL: https://github.com/apache/nuttx/issues/16386#issuecomment-2888400647

   @emomaxd thank you for explanation. Could it be something related to cache 
been enabled? Then when you try to do a right boolean operation the right value 
is read.
   
   @linguini1 since you did a NuttX port to Raspberry Pi 4 recently, do you 
have some suggestion that could help @emomaxd here?


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Re: [I] [BUG] Potential pointer arithmetic issue? [nuttx]

2025-05-17 Thread via GitHub


emomaxd commented on issue #16386:
URL: https://github.com/apache/nuttx/issues/16386#issuecomment-2888393948

   @acassis, 
   My goal is to get NuttX running correctly on the R5F core of the TI AM67A 
SoC—nothing more.
   
   Currently, it crashes at nx_start(), as shown in the attached image.
   
   Some modifications in the code may look unusual (size, stk, ptr) , but they 
are only there for debugging purposes and to highlight the issue—they’re not 
part of the intended logic.
   
   The original upstream code doesn’t work on the R5F core. To fix this, I 
added an & before g_idle_topstack, which made it run correctly.
   
   I've also tested with different compilers, but the issue persists.
   
   At this point, I suspect a possible hardware-related issue, but I’m not sure 
how to approach it or rule it out.


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Re: [I] [BUG] Potential pointer arithmetic issue? [nuttx]

2025-05-17 Thread via GitHub


acassis commented on issue #16386:
URL: https://github.com/apache/nuttx/issues/16386#issuecomment-2888388724

   @emomaxd could you please explain what you want to accomplish not how you 
want to do it? Maybe if we understand your goal we could help better. Also 
since you are using a custom board that you cannot reveal to us (I get it is 
from TI), please try to duplicate this issue in a common board like the 
stm32f4discover.


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