+################
+# void s390x_kmac(const unsigned char *in, size_t len, unsigned int fc,
+# void *param)
+{
+my ($in,$len,$fc,$param) = map("%r$_",(2..5));
+$code.=<<___;
+.globl s390x_kmac
+.type s390x_kmac,\@function
+.align 16
+s390x_kmac:
+ lr %r0,$fc
+ l${g}r %r1,$param
+
+ .long 0xb91e0002 # kmac %r0,$in
+ brc 1,.-4 # pay attention to "partial completion"
+
+ br $ra
+.size s390x_kmac,.-s390x_kmac
+___
+}
+
+################
+# void s390x_kmo(const unsigned char *in, size_t len, unsigned char *out,
+# unsigned int fc, void *param)
+{
+my ($in,$len,$out,$fc,$param) = map("%r$_",(2..6));
+$code.=<<___;
+.globl s390x_kmo
+.type s390x_kmo,\@function
+.align 16
+s390x_kmo:
+ lr %r0,$fc
+ l${g}r %r1,$param
+
+ .long 0xb92b0042 # kmo $out,$in
+ brc 1,.-4 # pay attention to "partial completion"
+
+ br $ra
+.size s390x_kmo,.-s390x_kmo
+___
+}
+
+################
+# void s390x_kmf(const unsigned char *in, size_t len, unsigned char *out,
+# unsigned int fc, void *param)
+{
+my ($in,$len,$out,$fc,$param) = map("%r$_",(2..6));
+$code.=<<___;
+.globl s390x_kmf
+.type s390x_kmf,\@function
+.align 16
+s390x_kmf:
+ lr %r0,$fc
+ l${g}r %r1,$param
+
+ .long 0xb92a0042 # kmf $out,$in
+ brc 1,.-4 # pay attention to "partial completion"
+
+ br $ra
+.size s390x_kmf,.-s390x_kmf
+___
+}
+