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author | Wim <wim@42.be> | 2021-10-16 23:11:32 +0200 |
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committer | Wim <wim@42.be> | 2021-10-16 23:23:24 +0200 |
commit | 20f6c05ec50739d31f4dbe9fde0d223f2c43f6e8 (patch) | |
tree | 230edca06449a8d1755f08aabf45a03e07e6f17c /vendor/github.com/minio/sha256-simd/cpuid_other.go | |
parent | 57fce93af7f64f025cec6f3ed6088163086bc9fe (diff) | |
download | matterbridge-msglm-20f6c05ec50739d31f4dbe9fde0d223f2c43f6e8.tar.gz matterbridge-msglm-20f6c05ec50739d31f4dbe9fde0d223f2c43f6e8.tar.bz2 matterbridge-msglm-20f6c05ec50739d31f4dbe9fde0d223f2c43f6e8.zip |
Update vendor
Diffstat (limited to 'vendor/github.com/minio/sha256-simd/cpuid_other.go')
-rw-r--r-- | vendor/github.com/minio/sha256-simd/cpuid_other.go | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/vendor/github.com/minio/sha256-simd/cpuid_other.go b/vendor/github.com/minio/sha256-simd/cpuid_other.go new file mode 100644 index 00000000..cd9fbf2d --- /dev/null +++ b/vendor/github.com/minio/sha256-simd/cpuid_other.go @@ -0,0 +1,46 @@ +// Minio Cloud Storage, (C) 2021 Minio, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// + +package sha256 + +import ( + "bytes" + "io/ioutil" + "runtime" + + "github.com/klauspost/cpuid/v2" +) + +func hasArmSha2() bool { + if cpuid.CPU.Has(cpuid.SHA2) { + return true + } + if runtime.GOARCH != "arm64" || runtime.GOOS != "linux" { + return false + } + + // Fall back to hacky cpuinfo parsing... + const procCPUInfo = "/proc/cpuinfo" + + // Feature to check for. + const sha256Feature = "sha2" + + cpuInfo, err := ioutil.ReadFile(procCPUInfo) + if err != nil { + return false + } + return bytes.Contains(cpuInfo, []byte(sha256Feature)) + +} |