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205 lines
7.2 KiB
C
205 lines
7.2 KiB
C
/**********************************************************************
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Copyright(c) 2019-2020 Arm Corporation All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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* Neither the name of Arm Corporation nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**********************************************************************/
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#include <aarch64_multibinary.h>
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DEFINE_INTERFACE_DISPATCHER(crc16_t10dif)
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{
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#if defined(__linux__)
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unsigned long auxval = getauxval(AT_HWCAP);
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if (auxval & HWCAP_PMULL)
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return PROVIDER_INFO(crc16_t10dif_pmull);
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#elif defined(__APPLE__)
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if (sysctlEnabled(SYSCTL_PMULL_KEY))
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return PROVIDER_INFO(crc16_t10dif_pmull);
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#endif
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return PROVIDER_BASIC(crc16_t10dif);
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}
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DEFINE_INTERFACE_DISPATCHER(crc16_t10dif_copy)
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{
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#if defined(__linux__)
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unsigned long auxval = getauxval(AT_HWCAP);
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if (auxval & HWCAP_PMULL)
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return PROVIDER_INFO(crc16_t10dif_copy_pmull);
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#elif defined(__APPLE__)
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if (sysctlEnabled(SYSCTL_PMULL_KEY))
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return PROVIDER_INFO(crc16_t10dif_copy_pmull);
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#endif
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return PROVIDER_BASIC(crc16_t10dif_copy);
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}
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DEFINE_INTERFACE_DISPATCHER(crc32_ieee)
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{
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#if defined(__linux__)
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unsigned long auxval = getauxval(AT_HWCAP);
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if (auxval & HWCAP_PMULL) {
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return PROVIDER_INFO(crc32_ieee_norm_pmull);
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}
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#elif defined(__APPLE__)
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if (sysctlEnabled(SYSCTL_PMULL_KEY))
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return PROVIDER_INFO(crc32_ieee_norm_pmull);
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#endif
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return PROVIDER_BASIC(crc32_ieee);
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}
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DEFINE_INTERFACE_DISPATCHER(crc32_iscsi)
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{
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#if defined(__linux__)
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unsigned long auxval = getauxval(AT_HWCAP);
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if (auxval & HWCAP_CRC32) {
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switch (get_micro_arch_id()) {
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case MICRO_ARCH_ID(ARM, NEOVERSE_N1):
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case MICRO_ARCH_ID(ARM, CORTEX_A57):
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case MICRO_ARCH_ID(ARM, CORTEX_A72):
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return PROVIDER_INFO(crc32_iscsi_crc_ext);
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}
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}
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if ((HWCAP_CRC32 | HWCAP_PMULL) == (auxval & (HWCAP_CRC32 | HWCAP_PMULL))) {
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return PROVIDER_INFO(crc32_iscsi_3crc_fold);
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}
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if (auxval & HWCAP_PMULL) {
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return PROVIDER_INFO(crc32_iscsi_refl_pmull);
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}
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#elif defined(__APPLE__)
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if (sysctlEnabled(SYSCTL_CRC32_KEY))
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return PROVIDER_INFO(crc32_iscsi_3crc_fold);
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if (sysctlEnabled(SYSCTL_PMULL_KEY))
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return PROVIDER_INFO(crc32_iscsi_refl_pmull);
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#endif
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return PROVIDER_BASIC(crc32_iscsi);
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}
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DEFINE_INTERFACE_DISPATCHER(crc32_gzip_refl)
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{
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#if defined(__linux__)
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unsigned long auxval = getauxval(AT_HWCAP);
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if (auxval & HWCAP_CRC32) {
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switch (get_micro_arch_id()) {
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case MICRO_ARCH_ID(ARM, NEOVERSE_N1):
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case MICRO_ARCH_ID(ARM, CORTEX_A57):
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case MICRO_ARCH_ID(ARM, CORTEX_A72):
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return PROVIDER_INFO(crc32_gzip_refl_crc_ext);
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}
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}
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if ((HWCAP_CRC32 | HWCAP_PMULL) == (auxval & (HWCAP_CRC32 | HWCAP_PMULL))) {
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return PROVIDER_INFO(crc32_gzip_refl_3crc_fold);
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}
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if (auxval & HWCAP_PMULL)
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return PROVIDER_INFO(crc32_gzip_refl_pmull);
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#elif defined(__APPLE__)
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if (sysctlEnabled(SYSCTL_CRC32_KEY))
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return PROVIDER_INFO(crc32_gzip_refl_3crc_fold);
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if (sysctlEnabled(SYSCTL_PMULL_KEY))
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return PROVIDER_INFO(crc32_gzip_refl_pmull);
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#endif
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return PROVIDER_BASIC(crc32_gzip_refl);
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}
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DEFINE_INTERFACE_DISPATCHER(crc64_ecma_refl)
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{
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#if defined(__linux__)
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unsigned long auxval = getauxval(AT_HWCAP);
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if (auxval & HWCAP_PMULL)
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return PROVIDER_INFO(crc64_ecma_refl_pmull);
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#elif defined(__APPLE__)
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if (sysctlEnabled(SYSCTL_PMULL_KEY))
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return PROVIDER_INFO(crc64_ecma_refl_pmull);
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#endif
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return PROVIDER_BASIC(crc64_ecma_refl);
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}
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DEFINE_INTERFACE_DISPATCHER(crc64_ecma_norm)
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{
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#if defined(__linux__)
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unsigned long auxval = getauxval(AT_HWCAP);
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if (auxval & HWCAP_PMULL)
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return PROVIDER_INFO(crc64_ecma_norm_pmull);
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#elif defined(__APPLE__)
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if (sysctlEnabled(SYSCTL_PMULL_KEY))
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return PROVIDER_INFO(crc64_ecma_norm_pmull);
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#endif
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return PROVIDER_BASIC(crc64_ecma_norm);
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}
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DEFINE_INTERFACE_DISPATCHER(crc64_iso_refl)
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{
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#if defined(__linux__)
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unsigned long auxval = getauxval(AT_HWCAP);
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if (auxval & HWCAP_PMULL)
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return PROVIDER_INFO(crc64_iso_refl_pmull);
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#elif defined(__APPLE__)
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if (sysctlEnabled(SYSCTL_PMULL_KEY))
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return PROVIDER_INFO(crc64_iso_refl_pmull);
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#endif
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return PROVIDER_BASIC(crc64_iso_refl);
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}
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DEFINE_INTERFACE_DISPATCHER(crc64_iso_norm)
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{
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#if defined(__linux__)
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unsigned long auxval = getauxval(AT_HWCAP);
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if (auxval & HWCAP_PMULL)
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return PROVIDER_INFO(crc64_iso_norm_pmull);
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#elif defined(__APPLE__)
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if (sysctlEnabled(SYSCTL_PMULL_KEY))
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return PROVIDER_INFO(crc64_iso_norm_pmull);
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#endif
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return PROVIDER_BASIC(crc64_iso_norm);
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}
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DEFINE_INTERFACE_DISPATCHER(crc64_jones_refl)
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{
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#if defined(__linux__)
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unsigned long auxval = getauxval(AT_HWCAP);
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if (auxval & HWCAP_PMULL)
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return PROVIDER_INFO(crc64_jones_refl_pmull);
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#elif defined(__APPLE__)
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if (sysctlEnabled(SYSCTL_PMULL_KEY))
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return PROVIDER_INFO(crc64_jones_refl_pmull);
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#endif
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return PROVIDER_BASIC(crc64_jones_refl);
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}
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DEFINE_INTERFACE_DISPATCHER(crc64_jones_norm)
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{
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#if defined(__linux__)
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unsigned long auxval = getauxval(AT_HWCAP);
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if (auxval & HWCAP_PMULL)
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return PROVIDER_INFO(crc64_jones_norm_pmull);
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#elif defined(__APPLE__)
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if (sysctlEnabled(SYSCTL_PMULL_KEY))
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return PROVIDER_INFO(crc64_jones_norm_pmull);
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#endif
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return PROVIDER_BASIC(crc64_jones_norm);
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}
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