diff options
| -rw-r--r-- | target-s390x/insn-data.def | 4 | ||||
| -rw-r--r-- | target-s390x/misc_helper.c | 6 | ||||
| -rw-r--r-- | target-s390x/translate.c | 35 |
3 files changed, 21 insertions, 24 deletions
diff --git a/target-s390x/insn-data.def b/target-s390x/insn-data.def index e9b9dc1038..87a77a2ad0 100644 --- a/target-s390x/insn-data.def +++ b/target-s390x/insn-data.def @@ -642,6 +642,8 @@ C(0xb206, SCKC, S, Z, 0, m2_64, 0, 0, sckc, 0) /* SET CPU TIMER */ C(0xb208, SPT, S, Z, 0, m2_64, 0, 0, spt, 0) +/* SET PREFIX */ + C(0xb210, SPX, S, Z, 0, m2_32u, 0, 0, spx, 0) /* SET PSW KEY FROM ADDRESS */ C(0xb20a, SPKA, S, Z, 0, a2, 0, 0, spka, 0) /* SET SYSTEM MASK */ @@ -660,6 +662,8 @@ C(0xb202, STIDP, S, Z, la2, 0, new, m1_64, stidp, 0) /* STORE CPU TIMER */ C(0xb209, STPT, S, Z, la2, 0, new, m1_64, stpt, 0) +/* STORE PREFIX */ + C(0xb211, STPX, S, Z, la2, 0, new, m1_32, stpx, 0) /* STORE THEN AND SYSTEM MASK */ C(0xac00, STNSM, SI, Z, la1, 0, 0, 0, stnosm, 0) /* STORE THEN OR SYSTEM MASK */ diff --git a/target-s390x/misc_helper.c b/target-s390x/misc_helper.c index 431824249c..b098e8869d 100644 --- a/target-s390x/misc_helper.c +++ b/target-s390x/misc_helper.c @@ -134,10 +134,8 @@ uint64_t HELPER(diag)(CPUS390XState *env, uint32_t num, uint64_t mem, /* Set Prefix */ void HELPER(spx)(CPUS390XState *env, uint64_t a1) { - uint32_t prefix; - - prefix = cpu_ldl_data(env, a1); - env->psa = prefix & 0xfffff000; + uint32_t prefix = a1 & 0x7fffe000; + env->psa = prefix; qemu_log("prefix: %#x\n", prefix); tlb_flush_page(env, 0); tlb_flush_page(env, TARGET_PAGE_SIZE); diff --git a/target-s390x/translate.c b/target-s390x/translate.c index 563c2e79af..e355de26ce 100644 --- a/target-s390x/translate.c +++ b/target-s390x/translate.c @@ -1033,26 +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 0x10: /* SPX D2(B2) [S] */ - /* Set Prefix Register */ - check_privileged(s); - decode_rs(s, insn, &r1, &r3, &b2, &d2); - tmp = get_address(s, 0, b2, d2); - potential_page_fault(s); - gen_helper_spx(cpu_env, tmp); - tcg_temp_free_i64(tmp); - break; - case 0x11: /* STPX D2(B2) [S] */ - /* Store Prefix */ - check_privileged(s); - decode_rs(s, insn, &r1, &r3, &b2, &d2); - tmp = get_address(s, 0, b2, d2); - tmp2 = tcg_temp_new_i64(); - tcg_gen_ld_i64(tmp2, cpu_env, offsetof(CPUS390XState, psa)); - tcg_gen_qemu_st32(tmp2, tmp, get_mem_index(s)); - tcg_temp_free_i64(tmp); - tcg_temp_free_i64(tmp2); - break; case 0x12: /* STAP D2(B2) [S] */ /* Store CPU Address */ check_privileged(s); @@ -2946,6 +2926,21 @@ static ExitStatus op_stpt(DisasContext *s, DisasOps *o) return NO_EXIT; } +static ExitStatus op_spx(DisasContext *s, DisasOps *o) +{ + check_privileged(s); + gen_helper_spx(cpu_env, o->in2); + return NO_EXIT; +} + +static ExitStatus op_stpx(DisasContext *s, DisasOps *o) +{ + check_privileged(s); + tcg_gen_ld_i64(o->out, cpu_env, offsetof(CPUS390XState, psa)); + tcg_gen_andi_i64(o->out, o->out, 0x7fffe000); + return NO_EXIT; +} + static ExitStatus op_stnosm(DisasContext *s, DisasOps *o) { uint64_t i2 = get_field(s->fields, i2); |