// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build arm64 && linux

package cpu

import _ "unsafe" // for linkname

// HWCap may be initialized by archauxv and
// should not be changed after it was initialized.
//
// Other widely used packages
// access HWCap using linkname as well, most notably:
//   - github.com/klauspost/cpuid/v2
//

			// worth of random data.
			startupRand = (*[16]byte)(unsafe.Pointer(val))[:]

		case _AT_PAGESZ:
			physPageSize = val

		case _AT_SECURE:
			secureMode = val == 1
		}

		archauxv(tag, val)
		vdsoauxv(tag, val)
	}
	return i / 2
}

var sysTHPSizePath = []byte("/sys/kernel/mm/transparent_hugepage/hpage_pmd_size\x00")

func getHugePageSize() uintptr {
	var numbuf [20]byte