soc: stm32: move stack size definitions to the correct place #92825
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erwango,
etienne-lms,
FRASTM,
gautierg-st,
GeorgeCGV,
marwaiehm-st and
mathieuchopstm
Move CONFIG_MAIN_STACK_SIZE to be the default in the Kconfig.defconfig files and avoid code duplication in each related soc. SOC_STM32F031X6 has its own configuration so keep it in its soc file. Signed-off-by: Fabrice DJIATSA <fabrice.djiatsa-ext@st.com>
Move CONFIG_MAIN_STACK_SIZE to be the default in the Kconfig.defconfig stm32g031xx file. Signed-off-by: Fabrice DJIATSA <fabrice.djiatsa-ext@st.com>
Move CONFIG_MAIN_STACK_SIZE to be the default in the Kconfig.defconfig files and avoid code duplication in each related soc. SOC_STM32L011XX has its own configuration so keep it in its soc file. Signed-off-by: Fabrice DJIATSA <fabrice.djiatsa-ext@st.com>
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mathieuchopstm
approved these changes
Jul 8, 2025
FRASTM
approved these changes
Jul 9, 2025
erwango
requested changes
Jul 9, 2025
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| # Reduce kernel stack sizes to fit in 8 KiB RAM | ||
| config MAIN_STACK_SIZE | ||
| default 640 if SOC_STM32F030X4 || SOC_STM32F030X8 || SOC_STM32F051X8 | ||
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| config IDLE_STACK_SIZE | ||
| default 200 if SOC_STM32F030X4 || SOC_STM32F030X8 || SOC_STM32F051X8 | ||
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| config ISR_STACK_SIZE | ||
| default 512 if SOC_STM32F030X4 || SOC_STM32F030X8 || SOC_STM32F051X8 |
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Let's work on a common Kconfig piece that would define profiles based on DT_CHOSEN(zephyr_ram) and apply it on the whole STM32 family.
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e.g. at family Kconfig level
config MAIN_STACK_SIZE
default 640 if SRAM_SIZE <= 8192
default ... if SRAM_SIZE <= ....
etc
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Following discussions in #85368
This PR moves the definitions of
MAIN_STACK_SIZE,IDLE_STACK_SIZE, andISR_STACK_SIZEto a dedicated defconfig file.These changes specifically concern the STM32 families:
F0,G0, andL0, boards with low memory.