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Why is __cpu_simple_lock_t an unsigned char?

To: port-arm%NetBSD.org@localhost
Subject: Why is __cpu_simple_lock_t an unsigned char?
From: Heikki Krogerus <krohei%gmail.com@localhost>
Date: Thu, 06 Nov 2008 09:21:26 +0200

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
instructions.

Thumb does not support the swp instruction.

Thanks,
heikki

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