Hi Wei Li,

Thanks for your change which looks correct. Can you possibly submit it to review.trustedfirmware.org? We can follow up with the review from the gerrit interface.

Thanks, Olivier.

________________________________________ From: TF-A tf-a-bounces@lists.trustedfirmware.org on behalf of Wei Li via TF-A tf-a@lists.trustedfirmware.org Sent: 22 July 2020 14:25 To: tf-a@lists.trustedfirmware.org Cc: huawei.libin@huawei.com; guohanjun@huawei.com Subject: [TF-A] [PATCH] Add support for ARMv8.3-SPE

When ARMv8.3-SPE is implemented, ID_AA64DFR0_EL1.PMSVer is read as 0b0010, update the version check to support ARMv8.3-SPE or higher.

Signed-off-by: Wei Li liwei391@huawei.com --- lib/extensions/spe/spe.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/extensions/spe/spe.c b/lib/extensions/spe/spe.c index 78876c66b..aa0bcd8ea 100644 --- a/lib/extensions/spe/spe.c +++ b/lib/extensions/spe/spe.c @@ -25,7 +25,7 @@ bool spe_supported(void) uint64_t features;

features = read_id_aa64dfr0_el1() >> ID_AA64DFR0_PMS_SHIFT; - return (features & ID_AA64DFR0_PMS_MASK) == 1U; + return (features & ID_AA64DFR0_PMS_MASK) != 0U; }

void spe_enable(bool el2_unused) -- 2.17.1

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