Hi Juan,
On the original stm32f4 board for this BSP (STM32F407 on a STMF4 Discovery
board), the FLASH memory resides at 0x0.
I have a BSP for STM32F767 and its FLASH is located at 0x0800 0000 as you have
in the 429. It works.
Andrei
> On 2021-January-21, at 14:02, Juan Solano <j...@jsolano.com> wrote:
>
> Hi all,
>
> I had to update the flash address of the linker script to be able to use the
> stm32f4 bsp with my Nucleo board (stm32f429zi). Flash resides at 0x08000000,
> and it is aliased also at 0x0. I made it work with my gdb environment just by
> changing the ROM address to the actual flash address in the chip.
>
> We can always use tools that flash it at the correct location, independently
> of what the linker script says, but Is there a reason why in RTEMS the 0x0
> address is used?
>
> --- a/c/src/lib/libbsp/arm/stm32f4/startup/linkcmds.stm32f4
> +++ b/c/src/lib/libbsp/arm/stm32f4/startup/linkcmds.stm32f4
> @@ -1,6 +1,6 @@
> MEMORY {
> RAM_INT : ORIGIN = 0x20000000, LENGTH = 128k
> - ROM_INT : ORIGIN = 0x00000000, LENGTH = 1M
> + ROM_INT : ORIGIN = 0x08000000, LENGTH = 1M
>
> Thanks,
> Juan.
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