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XIP code may execute with the MMU off, in which case all memory accesses should be strictly aligned to their size. Some versions of GCC violate this restriction even when -mstrict-align is passed, when performing loads and stores that involve SIMD registers. This is clearly a bug in the compiler, but we can easily work around it by avoiding SIMD registers altogether when building code that may execute in such a context. So add -mgeneral-regs-only to the AARCH64 XIP CC flags. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
Description
Acidanthera UEFI Development Kit based on EDK II edk2-stable202405
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