aarch64: Setup SIMD at startup#214
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retrage merged 2 commits intocloud-hypervisor:mainfrom Jan 25, 2023
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"cortex-a" crate has been renamed to "aarch64-cpu", and is deprecated. This commit replace this crate with "aarch64-cpu" crate. Signed-off-by: Akira Moroo <retrage01@gmail.com>
A recent GRUB binary implicitly uses advanced SIMD registers. We don't want to trap use of these registers, we have to ensure that CPACR_EL.FPEN is set to 0b11. Signed-off-by: Akira Moroo <retrage01@gmail.com>
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These changes are required to run a recently built GRUB binary as described in the commit 89764cf.