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authorRichard Henderson <rth@twiddle.net>2017-06-16 17:05:50 -0700
committerRichard Henderson <rth@twiddle.net>2017-06-23 09:17:44 -0700
commit6a68acd5b7bbf191a74d47ab38e27e5864d326d3 (patch)
tree4b3a5bd4226210597258452c022eeecd1f8df164
parent37b8638d4347aaa72d359dc35e529937ec250bf4 (diff)
target/s390x: Implement execution-hint insns
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Richard Henderson <rth@twiddle.net>
-rw-r--r--target/s390x/insn-data.def9
-rw-r--r--target/s390x/translate.c5
2 files changed, 13 insertions, 1 deletions
diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def
index 05556864a2..8e3f7dbd76 100644
--- a/target/s390x/insn-data.def
+++ b/target/s390x/insn-data.def
@@ -134,6 +134,15 @@
D(0x8500, BRXLE, RSI, Z, 0, 0, 0, 0, bx32, 0, 1)
D(0xec44, BRXHG, RIE_e, Z, 0, 0, 0, 0, bx64, 0, 0)
D(0xec45, BRXHLE, RIE_e, Z, 0, 0, 0, 0, bx64, 0, 1)
+/* BRANCH PREDICTION PRELOAD */
+ /* ??? Format is SMI, but implemented as NOP, so we need no fields. */
+ C(0xc700, BPP, E, EH, 0, 0, 0, 0, 0, 0)
+/* BRANCH PREDICTION RELATIVE PRELOAD */
+ /* ??? Format is MII, but implemented as NOP, so we need no fields. */
+ C(0xc500, BPRP, E, EH, 0, 0, 0, 0, 0, 0)
+/* NEXT INSTRUCTION ACCESS INTENT */
+ /* ??? Format is IE, but implemented as NOP, so we need no fields. */
+ C(0xb2fa, NIAI, E, EH, 0, 0, 0, 0, 0, 0)
/* CHECKSUM */
C(0xb241, CKSM, RRE, Z, r1_o, ra2, new, r1_32, cksm, 0)
diff --git a/target/s390x/translate.c b/target/s390x/translate.c
index 5275c77036..06d56000c8 100644
--- a/target/s390x/translate.c
+++ b/target/s390x/translate.c
@@ -5443,6 +5443,7 @@ enum DisasInsnEnum {
#define FAC_LPP S390_FEAT_SET_PROGRAM_PARAMETERS /* load-program-parameter */
#define FAC_DAT_ENH S390_FEAT_DAT_ENH
#define FAC_E2 S390_FEAT_EXTENDED_TRANSLATION_2
+#define FAC_EH S390_FEAT_STFLE_49 /* execution-hint */
#define FAC_LZRB S390_FEAT_STFLE_53 /* load-and-zero-rightmost-byte */
static const DisasInsn insn_info[] = {
@@ -5556,7 +5557,7 @@ static const DisasInsn *extract_insn(CPUS390XState *env, DisasContext *s,
case 0x80: /* S */
case 0x82: /* S */
case 0x93: /* S */
- case 0xb2: /* S, RRF, RRE */
+ case 0xb2: /* S, RRF, RRE, IE */
case 0xb3: /* RRE, RRD, RRF */
case 0xb9: /* RRE, RRF */
case 0xe5: /* SSE, SIL */
@@ -5572,6 +5573,8 @@ static const DisasInsn *extract_insn(CPUS390XState *env, DisasContext *s,
case 0xcc: /* RIL */
op2 = (insn << 12) >> 60;
break;
+ case 0xc5: /* MII */
+ case 0xc7: /* SMI */
case 0xd0 ... 0xdf: /* SS */
case 0xe1: /* SS */
case 0xe2: /* SS */