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Re: Why is __cpu_simple_lock_t an unsigned char?

On Nov 5, 2008, at 11:21 PM, Heikki Krogerus wrote:

This probably is a silly quistion, I know, but how should the ldrex/ strex be handled in the future? Our ARM1136JF-S does not seem to support ldrexb/strexb

Thumb does not support the swp instruction.

because armv4 and later have swpb (swap byte).

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