8dc2499aa6
gotools/ * Makefile.am (go_cmd_cgo_files): Add ast_go118.go (check-go-tool): Copy golang.org/x/tools directories. * Makefile.in: Regenerate. Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/384695
29 lines
730 B
Go
29 lines
730 B
Go
// Copyright 2020 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build ppc || ppc64 || ppc64le
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package cpu
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// ppc64 doesn't have a 'cpuid' equivalent, so we rely on HWCAP/HWCAP2.
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// These are initialized by archauxv and should not be changed after they are
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// initialized.
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var HWCap uint
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var HWCap2 uint
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// HWCAP bits. These are exposed by Linux.
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const (
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// ISA Level
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hwcap2_ARCH_3_00 = 0x00800000
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// CPU features
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hwcap2_DARN = 0x00200000
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hwcap2_SCV = 0x00100000
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)
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func osinit() {
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PPC64.IsPOWER9 = isSet(HWCap2, hwcap2_ARCH_3_00)
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PPC64.HasDARN = isSet(HWCap2, hwcap2_DARN)
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PPC64.HasSCV = isSet(HWCap2, hwcap2_SCV)
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}
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