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thisdp opened this issue Nov 5, 2024 · 4 comments · Fixed by #2552
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__libc_init_array fails on STm32H750XBH6 #2551

thisdp opened this issue Nov 5, 2024 · 4 comments · Fixed by #2552
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bug 🐛 Something isn't working
Milestone
2.9.0

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@thisdp
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thisdp commented Nov 5, 2024 •
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Arduino IDE 2.3.3
STM32H750XBH6
STM32 MCU Based Boards 2.8.1
An empty sketch is compiled with only setup and loop.
in startup_stm32h750xbhx.s
running "bl __libc_init_array" causes WWDG_Handler before entering "main".

Program compiled using CubeIDE works fine. "main" can be called.
Program compiled using Arduino but part number in VBTx works fine on STM32H750XBH6. "main" can be called.
@fpistm
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fpistm commented Nov 5, 2024

Hi @thisdp
Thanks for the issue.
I think it is linked to the linker script. If you used the one from the VBTx it will works.
I have to analyze deeply to understand the root cause.

@fpistm fpistm added the bug 🐛 Something isn't working label Nov 5, 2024
@fpistm fpistm added this to the 2.9.0 milestone Nov 5, 2024
@thisdp
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thisdp commented Nov 5, 2024

Hi @thisdp Thanks for the issue. I think it is linked to the linker script. If you used the one from the VBTx it will works. I have to analyze deeply to understand the root cause.

VBTx IBKx can work, I haven't tested others, but I am sure XBHx can not work.

@fpistm
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fpistm commented Nov 5, 2024

This is what I said if you used the linker script of the VB with the HB it will work.

@thisdp
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thisdp commented Nov 5, 2024 •
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This is what I said if you used the linker script of the VB with the HB it will work.

I mean that I am not sure if other chips/part numbers have the same problem, since I found XBHx is broken.

@fpistm fpistm mentioned this issue Nov 5, 2024
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@fpistm fpistm closed this as completed in 350a546 Nov 7, 2024
@github-project-automation github-project-automation bot moved this from In progress to Done in STM32 core based on ST HAL Nov 7, 2024
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bug 🐛 Something isn't working
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STM32 core based on ST HAL
Status: Done
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2.9.0
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fix(h7): linker script fpistm/Arduino_Core_STM32
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@fpistm @thisdp