Allen Webb 6719bdf3ed Cr50: Add LLSR (long long shift right) support.
Cr50 lacks native instructions for 64-bit integers and an ABI
function can be used by the compiler to take the place of the
needed instructions. This CL adds support for a right bitwise
shift of 64-bit integers.

BRANCH=none
BUG=chromium:794010
TEST=Set CONFIG_LLSR_TEST, build, update cr50, and run llsrtest
on the console.

Change-Id: Iae66c86720c531454ba29f15b3cc6a07959f5ef2
Signed-off-by: Allen Webb <allenwebb@google.com>
Reviewed-on: https://chromium-review.googlesource.com/931932
Reviewed-by: Vadim Bendebury <vbendeb@chromium.org>
2018-03-05 18:34:40 -08:00
2017-08-07 19:29:13 -07:00
2017-07-08 20:38:53 -07:00
2017-10-10 22:13:43 -07:00
2018-02-23 23:12:58 -08:00
2012-05-11 09:11:52 -07:00
2014-04-02 19:58:53 +00:00
2017-11-16 21:07:40 -08:00

For an overview of the Embedded Controller firmware, refer to

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

For instructions on building from source, refer to

http://www.chromium.org/chromium-os/ec-development/getting-started-building-ec-images-quickly
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