Add support for creating threads on ARM #355
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Commits on Nov 12, 2024
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libia2: Make ia2_get_pkru/ia2_get_pkey API arch-independent
Making this API arch-independent seems like a more sane approach, but there is another copy of these functions in ia2_get_pkey.h. I assumed that this was to be able to call it without changing into the compartment with libia2.a but it seems like we don't include it anywhere so it may be dead code. I fixed the usage of this API in the tests in a separate commit but we still need to fix it in PartitionAlloc and its shim.
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tests/threads: Fix asserted MTE tag values
Note: this needs x18 switching in the call gates to pass
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libia2: Replace inline asm with ia2_get_tag in threads.c
This will make it easier to avoid duplicating code when adding the arm implementation.
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