1 files changed, 16 insertions, 0 deletions
diff --git a/target/s390x/translate.c b/target/s390x/translate.c
index 493931147d..7e01c40394 100644
--- a/target/s390x/translate.c
+++ b/target/s390x/translate.c
@@ -3315,6 +3315,22 @@ static ExitStatus op_pka(DisasContext *s, DisasOps *o)
     return NO_EXIT;
 }
 
+static ExitStatus op_pku(DisasContext *s, DisasOps *o)
+{
+    int l2 = get_field(s->fields, l2) + 1;
+    TCGv_i32 l;
+
+    /* The length must be even and should not exceed 64 bytes.  */
+    if ((l2 & 1) || (l2 > 64)) {
+        gen_program_exception(s, PGM_SPECIFICATION);
+        return EXIT_NORETURN;
+    }
+    l = tcg_const_i32(l2);
+    gen_helper_pku(cpu_env, o->addr1, o->in2, l);
+    tcg_temp_free_i32(l);
+    return NO_EXIT;
+}
+
 static ExitStatus op_popcnt(DisasContext *s, DisasOps *o)
 {
     gen_helper_popcnt(o->out, o->in2);