// Original source:
//	http://www.zorinaq.com/papers/md5-amd64.html
//	http://www.zorinaq.com/papers/md5-amd64.tar.bz2
//
// MD5 adapted for s390x using Go's assembler for
// s390x, based on md5block_amd64.s implementation by
// the Go authors.
//
// Author: Marc Bevand <bevand_m (at) epita.fr>
// Licence: I hereby disclaim the copyright on this code and place it
// in the public domain.

//go:build !purego

#include "textflag.h"

export KUBE_GOPATH

# The server platform we are building on.
readonly KUBE_SUPPORTED_SERVER_PLATFORMS=(
  linux/amd64
  linux/arm64
  linux/s390x
  linux/ppc64le
)

# The node platforms we build for
readonly KUBE_SUPPORTED_NODE_PLATFORMS=(
  linux/amd64
  linux/arm64
  linux/s390x
  linux/ppc64le
  windows/amd64
)

# If we update this we should also update the set of platforms whose standard

// Copyright 2024 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build zos && s390x && gc

#include "textflag.h"

//  provide the address of function variable to be fixed up.

TEXT ·getPipe2Addr(SB), NOSPLIT|NOFRAME, $0-8
	MOVD $·Pipe2(SB), R8
	MOVD R8, ret+0(FP)
	RET

TEXT ·get_FlockAddr(SB), NOSPLIT|NOFRAME, $0-8
	MOVD $·Flock(SB), R8

	HasSCV    bool // Syscall vectored (requires kernel enablement)
	IsPOWER8  bool // ISA v2.07 (POWER8)
	IsPOWER9  bool // ISA v3.00 (POWER9)
	IsPOWER10 bool // ISA v3.1  (POWER10)
	_         CacheLinePad
}

var S390X struct {
	_         CacheLinePad
	HasZARCH  bool // z architecture mode is active [mandatory]
	HasSTFLE  bool // store facility list extended [mandatory]
	HasLDISP  bool // long (20-bit) displacements [mandatory]

    TARGET_ARCH=arm64
elif [[ ${LOCAL_ARCH} == aarch64* ]]; then
    TARGET_ARCH=arm64
elif [[ ${LOCAL_ARCH} == armv* ]]; then
    TARGET_ARCH=arm
elif [[ ${LOCAL_ARCH} == s390x ]]; then
    TARGET_ARCH=s390x
elif [[ ${LOCAL_ARCH} == ppc64le ]]; then
    TARGET_ARCH=ppc64le
else
    echo "This system's architecture, ${LOCAL_ARCH}, isn't supported"
    exit 1
fi

LOCAL_OS=$(uname)

// license that can be found in the LICENSE file.

// Hashing algorithm inspired by
// wyhash: https://github.com/wangyi-fudan/wyhash

//go:build amd64 || arm64 || loong64 || mips64 || mips64le || ppc64 || ppc64le || riscv64 || s390x || wasm

package runtime

import (
	"runtime/internal/math"
	"unsafe"
)

const (
	m5 = 0x1d8e4e27c47d124f
)

func memhashFallback(p unsafe.Pointer, seed, s uintptr) uintptr {

	auxS390XRotateParams // aux is a s390x rotate parameters object encoding start bit, end bit and rotate amount
	auxS390XCCMask       // aux is a s390x 4-bit condition code mask
	auxS390XCCMaskInt8   // aux is a s390x 4-bit condition code mask, auxInt is an int8 immediate
	auxS390XCCMaskUint8  // aux is a s390x 4-bit condition code mask, auxInt is a uint8 immediate
)

! go env -w GOOS=linuxx GOARCH=amd64
stderr 'unsupported GOOS/GOARCH pair linuxx'
# check a valid GOOS and GOARCH values but an incompatible combinations
! go env -w GOOS=android GOARCH=s390x
stderr 'unsupported GOOS/GOARCH pair android/s390x'
# check that -u considers explicit envs
go env -w GOOS=linux GOARCH=mips
env GOOS=windows
! go env -u GOOS
stderr 'unsupported GOOS/GOARCH.*windows/mips$'
env GOOS=

const (
	offsetX86HasSSE42  = unsafe.Offsetof(cpu.X86.HasSSE42)
	offsetX86HasAVX2   = unsafe.Offsetof(cpu.X86.HasAVX2)
	offsetX86HasPOPCNT = unsafe.Offsetof(cpu.X86.HasPOPCNT)

	offsetS390xHasVX = unsafe.Offsetof(cpu.S390X.HasVX)

	offsetPPC64HasPOWER9 = unsafe.Offsetof(cpu.PPC64.IsPOWER9)
)

// MaxLen is the maximum length of the string to be searched for (argument b) in Index.
// If MaxLen is not 0, make sure MaxLen >= 4.

	{12, s390x.REG_R12, 11, "R12"},
	{13, s390x.REGG, -1, "g"},
	{14, s390x.REG_R14, 12, "R14"},
	{15, s390x.REGSP, -1, "SP"},
	{16, s390x.REG_F0, -1, "F0"},
	{17, s390x.REG_F1, -1, "F1"},
	{18, s390x.REG_F2, -1, "F2"},
	{19, s390x.REG_F3, -1, "F3"},
	{20, s390x.REG_F4, -1, "F4"},
	{21, s390x.REG_F5, -1, "F5"},
	{22, s390x.REG_F6, -1, "F6"},
	{23, s390x.REG_F7, -1, "F7"},
	{24, s390x.REG_F8, -1, "F8"},