diff options
Diffstat (limited to 'target-s390x/translate.c')
| -rw-r--r-- | target-s390x/translate.c | 31 |
1 files changed, 22 insertions, 9 deletions
diff --git a/target-s390x/translate.c b/target-s390x/translate.c index 19781edb92..e5c3ee6dd7 100644 --- a/target-s390x/translate.c +++ b/target-s390x/translate.c @@ -1033,15 +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 0x78: /* STCKE D2(B2) [S] */ - /* Store Clock Extended */ - decode_rs(s, insn, &r1, &r3, &b2, &d2); - tmp = get_address(s, 0, b2, d2); - potential_page_fault(s); - gen_helper_stcke(cc_op, cpu_env, tmp); - set_cc_static(s); - tcg_temp_free_i64(tmp); - break; case 0x79: /* SACF D2(B2) [S] */ /* Set Address Space Control Fast */ check_privileged(s); @@ -2828,6 +2819,28 @@ static ExitStatus op_stck(DisasContext *s, DisasOps *o) return NO_EXIT; } +static ExitStatus op_stcke(DisasContext *s, DisasOps *o) +{ + TCGv_i64 c1 = tcg_temp_new_i64(); + TCGv_i64 c2 = tcg_temp_new_i64(); + gen_helper_stck(c1, cpu_env); + /* Shift the 64-bit value into its place as a zero-extended + 104-bit value. Note that "bit positions 64-103 are always + non-zero so that they compare differently to STCK"; we set + the least significant bit to 1. */ + tcg_gen_shli_i64(c2, c1, 56); + tcg_gen_shri_i64(c1, c1, 8); + tcg_gen_ori_i64(c2, c2, 0x10000); + tcg_gen_qemu_st64(c1, o->in2, get_mem_index(s)); + tcg_gen_addi_i64(o->in2, o->in2, 8); + tcg_gen_qemu_st64(c2, o->in2, get_mem_index(s)); + tcg_temp_free_i64(c1); + tcg_temp_free_i64(c2); + /* ??? We don't implement clock states. */ + gen_op_movi_cc(s, 0); + return NO_EXIT; +} + static ExitStatus op_sckc(DisasContext *s, DisasOps *o) { check_privileged(s); |