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Kernel/aarch64: Add -mstrict-align flag to Kernel build

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The ARM CPU is set up to trap on unaligned accesses, however the
compiler will still generate them if this flag is not set. We also need
the -Wno-cast-align as there are some files in AK that don't build
without the flag.
This commit is contained in:
Timon Kruiper 2022-12-20 19:49:35 +01:00 • committed by Sam Atkins
parent 0226390b21
commit a473cfd71b
1 changed files with 4 additions and 0 deletions
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4
Kernel/CMakeLists.txt
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@ -671,6 +671,10 @@ endif()
if ("${SERENITY_ARCH}" STREQUAL "aarch64") if ("${SERENITY_ARCH}" STREQUAL "aarch64")
add_compile_options(-fno-threadsafe-statics) add_compile_options(-fno-threadsafe-statics)
# Unaligned memory access will cause a trap, so to make sure the compiler doesn't generate
# those unaligned accesses, this flag is added.
add_compile_options(-mstrict-align -Wno-cast-align)
endif() endif()
add_compile_definitions(KERNEL) add_compile_definitions(KERNEL)