summaryrefslogtreecommitdiffstats
path: root/vendor/github.com/minio/sha256-simd/cpuid_other.go
diff options
context:
space:
mode:
authorWim <wim@42.be>2021-10-16 23:11:32 +0200
committerWim <wim@42.be>2021-10-16 23:23:24 +0200
commit20f6c05ec50739d31f4dbe9fde0d223f2c43f6e8 (patch)
tree230edca06449a8d1755f08aabf45a03e07e6f17c /vendor/github.com/minio/sha256-simd/cpuid_other.go
parent57fce93af7f64f025cec6f3ed6088163086bc9fe (diff)
downloadmatterbridge-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.go46
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))
+
+}