//go:linkname addVW
//go:noescape
func addVW(z, x []Word, y Word) (c Word)

// subVW should be an internal detail,
// but widely used packages access it using linkname.
// Notable members of the hall of shame include:
//   - github.com/remyoudompheng/bigfft
//
// Do not remove or change the type signature.
// See go.dev/issue/67401.
//
//go:linkname subVW
//go:noescape
func subVW(z, x []Word, y Word) (c Word)

TEXT ·getisar0(SB),NOSPLIT,$0-8
	// get Instruction Set Attributes 0 into x0
	// mrs x0, ID_AA64ISAR0_EL1 = d5380600
	WORD	$0xd5380600
	MOVD	R0, ret+0(FP)
	RET

// func getisar1() uint64
TEXT ·getisar1(SB),NOSPLIT,$0-8
	// get Instruction Set Attributes 1 into x0
	// mrs x0, ID_AA64ISAR1_EL1 = d5380620
	WORD	$0xd5380620
	MOVD	R0, ret+0(FP)
	RET

// func getpfr0() uint64
TEXT ·getpfr0(SB),NOSPLIT,$0-8

         word_index++) {
      uint64 word = storage_[word_index];
      while (word != 0) {
        uint64 only_lowest_bit_set = word & -word;
        // The number of trailing zeros in a non-zero word is the index of the
        // least significant 1.
        int bit_index = absl::countr_zero(word);
        if (!func(DeviceId(word_index * kWordSize + bit_index))) {
          return;

	MOVD  8(R8), R11
	MOVD  8(R9), R16
	SUBE  R16, R11, R20
	MOVD  R20, 8(R10)

final:
	ADDZE R4
	XOR   $1, R4

done:
	MOVD  R4, c+72(FP)
	RET

// func addVW(z, x []Word, y Word) (c Word)
TEXT ·addVW(SB), NOSPLIT, $0
	MOVD z+0(FP), R10	// R10 = z[]
	MOVD x+24(FP), R8	// R8 = x[]
	MOVD y+48(FP), R4	// R4 = y = c
	MOVD z_len+8(FP), R11	// R11 = z_len

	word := uint32(v) << ((uaddr & 3) * 8) // little endian
	for {
		old := *addr32
		if Cas(addr32, old, old|word) {
			return
		}
	}
}

//go:nosplit
func And8(addr *uint8, v uint8) {
	// Align down to 4 bytes and use 32-bit CAS.
	uaddr := uintptr(unsafe.Pointer(addr))
	addr32 := (*uint32)(unsafe.Pointer(uaddr &^ 3))
	word := uint32(v) << ((uaddr & 3) * 8)    // little endian

// Copyright 2023 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.

package abi

import "unsafe"

// The first word of every non-empty interface type contains an *ITab.
// It records the underlying concrete type (Type), the interface type it
// is implementing (Inter), and some ancillary information.
//
// allocated in non-garbage-collected memory

all-container-registry: $(addprefix sub-container-registry-,$(ALL_OS_ARCH))

# split words on hyphen, access by 1-index
word-hyphen = $(word $2,$(subst -, ,$1))
sub-container-%:
	$(MAKE) OUTPUT_TYPE=$(call word-hyphen,$*,1) OS=$(call word-hyphen,$*,2) ARCH=$(call word-hyphen,$*,3) OSVERSION=$(call word-hyphen,$*,4) container

build: $(foreach binary, ${BIN}, bin/${binary}-${OS}-${ARCH})

bin/${BIN.linux}-$(OS)-$(ARCH): $(SRCS)

// func kimd(function code, chain *[200]byte, src []byte)
TEXT ·kimd(SB), NOFRAME|NOSPLIT, $0-40
	MOVD function+0(FP), R0
	MOVD chain+8(FP), R1
	LMG  src+16(FP), R2, R3 // R2=base, R3=len

continue:
	WORD $0xB93E0002 // KIMD --, R2
	BVS  continue    // continue if interrupted
	MOVD $0, R0      // reset R0 for pre-go1.8 compilers
	RET

// func klmd(function code, chain *[200]byte, dst, src []byte)

	return make(nat, n, n+e)
}

func (z nat) setWord(x Word) nat {
	if x == 0 {
		return z[:0]
	}
	z = z.make(1)
	z[0] = x
	return z
}

func (z nat) setUint64(x uint64) nat {
	// single-word value
	if w := Word(x); uint64(w) == x {
		return z.setWord(w)
	}
	// 2-word value
	z = z.make(2)
	z[1] = Word(x >> 32)
	z[0] = Word(x)
	return z
}

func (z nat) set(x nat) nat {

push: build

# split words on hyphen, access by 1-index
word-hyphen = $(word $2,$(subst -, ,$1))

sub-build-%:
	$(MAKE) OUTPUT_TYPE=docker OS=$(call word-hyphen,$*,1) ARCH=$(call word-hyphen,$*,2) build

all-build: $(addprefix sub-build-,$(ALL_OS_ARCH))

sub-push-image-%:
	$(MAKE) OUTPUT_TYPE=registry OS=$(call word-hyphen,$*,1) ARCH=$(call word-hyphen,$*,2) OSVERSION=$(call word-hyphen,$*,3) REGISTRY=$(PUSH_REGISTRY) push