Anton Staaf fba4f335a9 cortex-m0: Constrain target register in atomic read
One more register constaint needed to be added to the cortex-m0 atomic
inline assembly.  Vincent fixed all the others.  The requirement for
ARMv6-m includes that the target load register be one of the low
registers as well.

Signed-off-by: Anton Staaf <robotboy@chromium.org>

BRANCH=None
BUG=None
TEST=make buildall -j

Change-Id: Ie44e824cafcc9b862ade664e3016cc34886cdf6e
Reviewed-on: https://chromium-review.googlesource.com/292435
Trybot-Ready: Anton Staaf <robotboy@chromium.org>
Tested-by: Anton Staaf <robotboy@chromium.org>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
Commit-Queue: Anton Staaf <robotboy@chromium.org>
2015-08-11 19:52:40 +00:00
2015-05-07 00:00:47 +00:00
2015-08-05 01:32:47 +00:00
2012-05-11 09:11:52 -07:00
2014-04-02 19:58:53 +00:00
2014-05-15 05:20:14 +00:00

For an overview of the Embedded Controller firmware, refer to

http://www.chromium.org/chromium-os/2014-firmware-summit
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