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aarch64: GCC10: Add -mno-outline-atomics

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GCC10 introduced by default calls to out-of-line helpers to implement
atomic operations with the '-moutline-atomic' option. This is breaking
several tests because the embedded calls are trying to access the
zephyr_data region from userspace that is declared as MT_P_RW_U_NA,
triggering a memory fault.

Since there is currently no support for MT_P_RW_U_RO (and probably never
will be), disable the out-of-line helpers disabling the GCC option.

Signed-off-by: Carlo Caione <ccaione@baylibre.com>
This commit is contained in:
Carlo Caione 2020-12-04 10:54:23 +01:00 committed by Anas Nashif
parent ff14bb5027
commit 2936998591
1 changed files with 2 additions and 0 deletions
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2
arch/arm/core/aarch64/CMakeLists.txt
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@ -33,3 +33,5 @@ zephyr_library_sources_ifdef(CONFIG_CACHE_MANAGEMENT cache.c)
if ((CONFIG_MP_NUM_CPUS GREATER 1) OR (CONFIG_SMP))
zephyr_library_sources(smp.c)
endif ()
zephyr_cc_option_ifdef(CONFIG_USERSPACE -mno-outline-atomics)