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boards/stm32f103-minimum: fix unaligned pointer to .data section in ld.script

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This patch fix _eronly value which is used during boot process to initialize
.data section to sram.

Since .data section is 4 byte aligned in flash, also _eronly must follow this
alignment to stay coherent with the start address of .data.

If one of the sections preceeding .data has a size which is not 4 byte aligned,
the _eronly value does not match with .data physical address resulting in wrong
copy of data section to sram and thus an almost immediate hardfault.

Signed-off-by: Federico Braghiroli <federico.braghiroli@gmail.com>
This commit is contained in:
Federico Braghiroli 2024-11-13 10:32:53 +01:00 • committed by Xiang Xiao
parent 9cd1c81149
commit 3d90079f50
1 changed files with 1 additions and 1 deletions
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boards/arm/stm32/stm32f103-minimum/scripts/ld.script
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@ -88,7 +88,7 @@ SECTIONS
_etbss = ABSOLUTE(.);
} > flash
_eronly = ABSOLUTE(.);
_eronly = LOADADDR(.data);
/* The STM32F103C8T6 has 20Kb of SRAM beginning at the following address */