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-rw-r--r--target-s390x/insn-data.def2
-rw-r--r--target-s390x/translate.c21
2 files changed, 10 insertions, 13 deletions
diff --git a/target-s390x/insn-data.def b/target-s390x/insn-data.def
index 75729fee64..a389f1503e 100644
--- a/target-s390x/insn-data.def
+++ b/target-s390x/insn-data.def
@@ -643,6 +643,8 @@
/* We only do 64-bit, so accept this as a no-op.
Let SAM24 and SAM31 signal illegal instruction. */
C(0x010e, SAM64, E, Z, 0, 0, 0, 0, 0, 0)
+/* SET ADDRESS SPACE CONTROL FAST */
+ C(0xb279, SACF, S, Z, 0, a2, 0, 0, sacf, 0)
/* SET CLOCK */
/* ??? Not implemented - is it necessary? */
C(0xb204, SCK, S, Z, 0, 0, 0, 0, 0, 0)
diff --git a/target-s390x/translate.c b/target-s390x/translate.c
index e5c3ee6dd7..491f8fd6b6 100644
--- a/target-s390x/translate.c
+++ b/target-s390x/translate.c
@@ -1033,19 +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 0x79: /* SACF D2(B2) [S] */
- /* Set Address Space Control Fast */
- check_privileged(s);
- decode_rs(s, insn, &r1, &r3, &b2, &d2);
- tmp = get_address(s, 0, b2, d2);
- potential_page_fault(s);
- gen_helper_sacf(cpu_env, tmp);
- tcg_temp_free_i64(tmp);
- /* addressing mode has changed, so end the block */
- s->pc = s->next_pc;
- update_psw_addr(s);
- s->is_jmp = DISAS_JUMP;
- break;
case 0x7d: /* STSI D2,(B2) [S] */
check_privileged(s);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
@@ -2681,6 +2668,14 @@ static ExitStatus op_rrbe(DisasContext *s, DisasOps *o)
set_cc_static(s);
return NO_EXIT;
}
+
+static ExitStatus op_sacf(DisasContext *s, DisasOps *o)
+{
+ check_privileged(s);
+ gen_helper_sacf(cpu_env, o->in2);
+ /* Addressing mode has changed, so end the block. */
+ return EXIT_PC_STALE;
+}
#endif
static ExitStatus op_sar(DisasContext *s, DisasOps *o)