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56 lines
1.4 KiB
Go
56 lines
1.4 KiB
Go
//go:build !linux
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/*
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Copyright The containerd Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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 platforms
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import (
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"fmt"
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"runtime"
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)
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func getCPUVariant() (string, error) {
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var variant string
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if runtime.GOOS == "windows" || runtime.GOOS == "darwin" {
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// Windows/Darwin only supports v7 for ARM32 and v8 for ARM64 and so we can use
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// runtime.GOARCH to determine the variants
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switch runtime.GOARCH {
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case "arm64":
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variant = "v8"
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case "arm":
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variant = "v7"
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default:
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variant = "unknown"
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}
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} else if runtime.GOOS == "freebsd" {
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// FreeBSD supports ARMv6 and ARMv7 as well as ARMv4 and ARMv5 (though deprecated)
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// detecting those variants is currently unimplemented
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switch runtime.GOARCH {
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case "arm64":
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variant = "v8"
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default:
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variant = "unknown"
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}
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} else {
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return "", fmt.Errorf("getCPUVariant for OS %s: %v", runtime.GOOS, errNotImplemented)
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}
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return variant, nil
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}
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