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atomic(9): Implement atomic_testand(clear|set)_ptr
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Authored by jhb on Nov 15 2024, 8:40 PM.
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Details

Summary

For current architectures, these are just aliases for the existing
operation on the relevant scalar integer.

Obtained from: CheriBSD
Sponsored by: AFRL, DARPA

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rG FreeBSD src repository
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jhb requested review of this revision.Nov 15 2024, 8:40 PM
This revision is now accepted and ready to land.Nov 16 2024, 1:49 AM

All look good except I'm not so sure about 32bit powerpc

Should have noted that this passes make universe (and I've also booted it on some architectures).

sys/powerpc/include/atomic.h
1100

This matches the pattern of other 32-bit powerpc ops of using a cast instead of just mapping the macro directly.