boot/startup: Add user_section.ld.h #3297
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Some MCU/applications may require special sections in linker script So far memory_regions.ld.h could add non standard memory regions, newt link_tables could add filters to read only data for easy link time table generations. This adds way to add whole sections and or symbol definitions if required Signed-off-by: Jerzy Kasenberg <[email protected]>
Now all cortex linker script files have region for interrupt stack. It can be provided by memory_regions.ld.h if stack is to be placed in separate memory region. If MCU/BSP specific region is defined (no definition of STACk_REGION) STACK_RAM region is created at the end of RAM. This simplifies check for heap. mtb section is removed for now from all linker script templates as it is not present in any MCU that has generated linker script. Few templates had duplicating section .bssnz that is now removed. bss sections now have (NOLOAD) attribute Signed-off-by: Jerzy Kasenberg <[email protected]>
When BSP switched to use autogenerated linker script definitions for _dtcmram_start and _itcmram_start were not present in generated script. Now STM32H7 MCU adds user_sections.ld.h that provides missing symbols. Signed-off-by: Jerzy Kasenberg <[email protected]>
sjanc
approved these changes
Sep 10, 2024
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Some MCU/applications may require special sections
in linker script
So far memory_regions.ld.h could add non standard
memory regions, newt link_tables could add filters
to read only data for easy link time table generations.
This adds way to add whole sections and or symbol
definitions if required
Signed-off-by: Jerzy Kasenberg [email protected]