MOVD $0, R0         // set function code to 0 (KMC-Query)
	MOVD $ret+0(FP), R1 // address of 16-byte return value
	WORD $0xB92F0024    // cipher message with chaining (KMC)
	RET

// func kmctrQuery() queryResult
TEXT ·kmctrQuery(SB), NOSPLIT|NOFRAME, $0-16
	MOVD $0, R0         // set function code to 0 (KMCTR-Query)
	MOVD $ret+0(FP), R1 // address of 16-byte return value
	WORD $0xB92D4024    // cipher message with counter (KMCTR)
	RET

	MOVD $0, R0         // set function code to 0 (KMC-Query)
	MOVD $ret+0(FP), R1 // address of 16-byte return value
	KMC  R2, R4         // cipher message with chaining (KMC)
	RET

// func kmctrQuery() queryResult
TEXT ·kmctrQuery(SB), NOSPLIT|NOFRAME, $0-16
	MOVD $0, R0         // set function code to 0 (KMCTR-Query)
	MOVD $ret+0(FP), R1 // address of 16-byte return value
	KMCTR R2, R4, R4    // cipher message with counter (KMCTR)
	RET

// They are likely to be expensive to call so the results should be cached.
func stfle() facilityList
func kmQuery() queryResult
func kmcQuery() queryResult
func kmctrQuery() queryResult
func kmaQuery() queryResult
func kimdQuery() queryResult

func stfle() facilityList     { panic("not implemented for gccgo") }
func kmQuery() queryResult    { panic("not implemented for gccgo") }
func kmcQuery() queryResult   { panic("not implemented for gccgo") }
func kmctrQuery() queryResult { panic("not implemented for gccgo") }
func kmaQuery() queryResult   { panic("not implemented for gccgo") }
func kimdQuery() queryResult  { panic("not implemented for gccgo") }

// They are likely to be expensive to call so the results should be cached.
func stfle() facilityList
func kmQuery() queryResult
func kmcQuery() queryResult
func kmctrQuery() queryResult
func kmaQuery() queryResult
func kimdQuery() queryResult
func klmdQuery() queryResult
func kdsaQuery() queryResult

func doinit() {
	options = []option{

		km, kmc := kmQuery(), kmcQuery()
		S390X.HasAES = km.Has(aes...)
		S390X.HasAESCBC = kmc.Has(aes...)
		if S390X.HasSTFLE {
			facilities := stfle()
			if facilities.Has(msa4) {
				kmctr := kmctrQuery()
				S390X.HasAESCTR = kmctr.Has(aes...)
			}
			if facilities.Has(msa8) {
				kma := kmaQuery()
				S390X.HasAESGCM = kma.Has(aes...)
			}
		}

		// compute message digest