Import ceph 15.2.8

[ceph.git] / ceph / src / isa-l / crc / aarch64 / crc32_iscsi_refl_pmull.S

diff --git a/ceph/src/isa-l/crc/aarch64/crc32_iscsi_refl_pmull.S b/ceph/src/isa-l/crc/aarch64/crc32_iscsi_refl_pmull.S
new file mode 100644 (file)
index 0000000..09a88e2
--- /dev/null
+++ b/ceph/src/isa-l/crc/aarch64/crc32_iscsi_refl_pmull.S
@@ -0,0 +1,53 @@
+########################################################################
+#  Copyright(c) 2019 Arm Corporation All rights reserved.
+#
+#  Redistribution and use in source and binary forms, with or without
+#  modification, are permitted provided that the following conditions
+#  are met:
+#    * Redistributions of source code must retain the above copyright
+#      notice, this list of conditions and the following disclaimer.
+#    * Redistributions in binary form must reproduce the above copyright
+#      notice, this list of conditions and the following disclaimer in
+#      the documentation and/or other materials provided with the
+#      distribution.
+#    * Neither the name of Arm Corporation nor the names of its
+#      contributors may be used to endorse or promote products derived
+#      from this software without specific prior written permission.
+#
+#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+#  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+#  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+#  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+#  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+#  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+#  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+#  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+#  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+#  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#########################################################################
+
+#include "crc32_iscsi_refl_pmull.h"
+#include "crc32_refl_common_pmull.h"
+
+crc32_refl_func crc32_iscsi_refl_pmull_internal
+
+       .arch armv8-a+crc+crypto
+       .text
+       .align 3
+       .global crc32_iscsi_refl_pmull
+       .type   crc32_iscsi_refl_pmull, %function
+crc32_iscsi_refl_pmull:
+       stp     x29, x30, [sp, -32]!
+       mov     x29, sp
+
+       mov     w7, w2
+       sxtw    x2, w1
+       mov     x1, x0
+       mov     w0, w7
+       mvn     w0, w0
+
+       bl      crc32_iscsi_refl_pmull_internal
+       mvn     w0, w0
+       ldp     x29, x30, [sp], 32
+       ret