summaryrefslogtreecommitdiff
path: root/target-s390x
diff options
context:
space:
mode:
Diffstat (limited to 'target-s390x')
-rw-r--r--target-s390x/insn-data.def6
-rw-r--r--target-s390x/translate.c12
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)