target-s390: Convert IPTE

Signed-off-by: Richard Henderson <rth@twiddle.net>

diff --git a/target-s390x/insn-data.def b/target-s390x/insn-data.def
index f68e586e0df6e92ad2bcd09ea136ed794cf83a6f..c8368cf151cc71b6c5e2b78cc0c1e71e8ffa73cb 100644 (file)
--- a/target-s390x/insn-data.def
+++ b/target-s390x/insn-data.def
@@ -616,6 +616,8 @@
 #ifndef CONFIG_USER_ONLY
 /* DIAGNOSE (KVM hypercall) */
     C(0x8300, DIAG,    RX_a,  Z,   0, 0, 0, 0, diag, 0)
+/* INVALIDATE PAGE TABLE ENTRY */
+    C(0xb221, IPTE,    RRF_a, Z,   r1_o, r2_o, 0, 0, ipte, 0)
 /* LOAD CONTROL */
     C(0xb700, LCTL,    RS_a,  Z,   0, a2, 0, 0, lctl, 0)
     C(0xeb2f, LCTLG,   RSY_a, Z,   0, a2, 0, 0, lctlg, 0)

diff --git a/target-s390x/translate.c b/target-s390x/translate.c
index 5ffbdb3b614957c19d7858a3307e7e2c3ac62b9f..b25a5e6549d6e4228602cf15a90cb41362c6a5cc 100644 (file)
--- a/target-s390x/translate.c
+++ b/target-s390x/translate.c
@@ -1033,17 +1033,6 @@ static void disas_b2(CPUS390XState *env, DisasContext *s, int op,
     LOG_DISAS("disas_b2: op 0x%x r1 %d r2 %d\n", op, r1, r2);
 
     switch (op) {
-    case 0x21: /* IPTE     R1,R2      [RRE] */
-        /* Invalidate PTE */
-        check_privileged(s);
-        r1 = (insn >> 4) & 0xf;
-        r2 = insn & 0xf;
-        tmp = load_reg(r1);
-        tmp2 = load_reg(r2);
-        gen_helper_ipte(cpu_env, tmp, tmp2);
-        tcg_temp_free_i64(tmp);
-        tcg_temp_free_i64(tmp2);
-        break;
     case 0x29: /* ISKE     R1,R2      [RRE] */
         /* Insert Storage Key Extended */
         check_privileged(s);
@@ -2213,6 +2202,15 @@ static ExitStatus op_ipm(DisasContext *s, DisasOps *o)
     return NO_EXIT;
 }
 
+#ifndef CONFIG_USER_ONLY
+static ExitStatus op_ipte(DisasContext *s, DisasOps *o)
+{
+    check_privileged(s);
+    gen_helper_ipte(cpu_env, o->in1, o->in2);
+    return NO_EXIT;
+}
+#endif
+
 static ExitStatus op_ldeb(DisasContext *s, DisasOps *o)
 {
     gen_helper_ldeb(o->out, cpu_env, o->in2);