diff options
| -rw-r--r-- | target-s390x/insn-data.def | 6 | ||||
| -rw-r--r-- | target-s390x/translate.c | 12 |
2 files changed, 15 insertions, 3 deletions
diff --git a/target-s390x/insn-data.def b/target-s390x/insn-data.def index b42ebb6a1a..4d2feb6977 100644 --- a/target-s390x/insn-data.def +++ b/target-s390x/insn-data.def @@ -744,9 +744,9 @@ /* SERVICE CALL LOGICAL PROCESSOR (PV hypercall) */ C(0xb220, SERVC, RRE, Z, r1_o, r2_o, 0, 0, servc, 0) /* SET ADDRESSING MODE */ - /* 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) + D(0x010c, SAM24, E, Z, 0, 0, 0, 0, sam, 0, 0) + D(0x010d, SAM31, E, Z, 0, 0, 0, 0, sam, 0, 1) + D(0x010e, SAM64, E, Z, 0, 0, 0, 0, sam, 0, 3) /* SET ADDRESS SPACE CONTROL FAST */ C(0xb279, SACF, S, Z, 0, a2, 0, 0, sacf, 0) /* SET CLOCK */ diff --git a/target-s390x/translate.c b/target-s390x/translate.c index 0cb036f667..dbf1993d46 100644 --- a/target-s390x/translate.c +++ b/target-s390x/translate.c @@ -2925,6 +2925,18 @@ static ExitStatus op_sacf(DisasContext *s, DisasOps *o) /* Addressing mode has changed, so end the block. */ return EXIT_PC_STALE; } + +static ExitStatus op_sam(DisasContext *s, DisasOps *o) +{ + int sam = s->insn->data; + TCGv_i64 tsam = tcg_const_i64(sam); + + /* Overwrite PSW_MASK_64 and PSW_MASK_32 */ + tcg_gen_deposit_i64(psw_mask, psw_mask, tsam, 31, 2); + + tcg_temp_free_i64(tsam); + return EXIT_PC_STALE; +} #endif static ExitStatus op_sar(DisasContext *s, DisasOps *o) |