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49 lines
1.2 KiB
49 lines
1.2 KiB
// +build arm64,linux
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// Minio Cloud Storage, (C) 2016 Minio, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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package sha256
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import (
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"bytes"
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"io/ioutil"
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)
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func cpuid(op uint32) (eax, ebx, ecx, edx uint32) {
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return 0, 0, 0, 0
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}
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func cpuidex(op, op2 uint32) (eax, ebx, ecx, edx uint32) {
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return 0, 0, 0, 0
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}
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func xgetbv(index uint32) (eax, edx uint32) {
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return 0, 0
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}
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// File to check for cpu capabilities.
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const procCPUInfo = "/proc/cpuinfo"
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// Feature to check for.
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const sha256Feature = "sha2"
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func haveArmSha() bool {
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cpuInfo, err := ioutil.ReadFile(procCPUInfo)
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if err != nil {
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return false
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}
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return bytes.Contains(cpuInfo, []byte(sha256Feature))
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}
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