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// +build arm64,linux
// Minio Cloud Storage, (C) 2016 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"
)
func cpuid(op uint32) (eax, ebx, ecx, edx uint32) {
return 0, 0, 0, 0
}
func cpuidex(op, op2 uint32) (eax, ebx, ecx, edx uint32) {
return 0, 0, 0, 0
}
func xgetbv(index uint32) (eax, edx uint32) {
return 0, 0
}
// File to check for cpu capabilities.
const procCPUInfo = "/proc/cpuinfo"
// Feature to check for.
const sha256Feature = "sha2"
func haveArmSha() bool {
cpuInfo, err := ioutil.ReadFile(procCPUInfo)
if err != nil {
return false
}
return bytes.Contains(cpuInfo, []byte(sha256Feature))
}
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