Using LwIP on the STM32H7

Sebastian Huber sebastian.huber at embedded-brains.de
Thu Jan 28 15:47:46 UTC 2021


On 28/01/2021 16:45, Robin Müller wrote:

>  *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.bsp_nocache*)))
>  .bsp_nocache   0x0000000030000000     0x18c0 
> CMakeFiles/fsfw_example.dir/bsp_stm32_rtems/boardconfig/ethernetif.c.obj
>                 0x0000000030000000                DMARxDscrTab
>                 0x0000000030000060                DMATxDscrTab
>                 0x00000000300000c0                Rx_Buff
>                 0x00000000300018c0  bsp_section_nocache_end = .
>                 0x00000000000018c0  bsp_section_nocache_size = 
> (bsp_section_nocache_end - bsp_section_nocache_begin)
>
> But in the debugger, the descriptor entries are still zeroed out 
> unfortunately..
If you place them in BSP_NOCACHENOLOAD_SECTION or 
BSP_NOCACHENOLOAD_SUBSECTION(), they are not loaded (zero initialized).

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