"This command is only available from the rev1 (r1p0) release of the ARM1136JF-S processor."

i.MX31 dmesg
cpu0 at mainbus0: ARM1136J-S r0p4 (ARM11J core)

(2013/03/12 10:08), Matt Thomas wrote:

On Mar 11, 2013, at 5:35 PM, hashimoto kenichi <[email protected]> 
wrote:

armv6j (e.g. i.MX31) does not support ldrexb/strexb.

According the ARM docs (arm1136_r1p3_trm.pdf), it does.
See section 2.10.1.

The fact that binutils doesn't realize it is irrelevant.



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