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arch: arm: cortex_m: restrict usage of atomic_operations_c for Cortex-m0/+

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Armv8-m baseline support various instruction carrying exclusive-monitor and
acquire-release semantic. By adding this guard we let armv8-m.baseline
fall-back to arch defined or compiler built-in support for atomic
operations.

Signed-off-by: Wilfried Chauveau <wilfried.chauveau@arm.com>
This commit is contained in:
Wilfried Chauveau 2023-09-27 16:36:18 +01:00 • committed by Carles Cufí
commit 8fe6150e0c
1 changed files with 1 additions and 1 deletions
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arch/arm/core/cortex_m/Kconfig
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@ -171,7 +171,7 @@ config CPU_CORTEX_M_HAS_CMSE
config ARMV6_M_ARMV8_M_BASELINE
bool
select ATOMIC_OPERATIONS_C
select ATOMIC_OPERATIONS_C if !ARMV8_M_BASELINE
select ISA_THUMB2
help
This option signifies the use of an ARMv6-M processor