[v2,05/29] target/s390x: implement TEST ADDRESSING MODE

Commit Message

Aurelien Jarno May 29, 2017, 7:24 p.m. UTC

Signed-off-by: Aurelien Jarno <[e-mail]>
---
 target/s390x/insn-data.def |  3 +++
 target/s390x/translate.c   | 10 ++++++++++
 2 files changed, 13 insertions(+)

Comments

Richard Henderson May 30, 2017, 8:01 p.m. UTC | #1

On 05/29/2017 12:24 PM, Aurelien Jarno wrote:
> Signed-off-by: Aurelien Jarno<[e-mail]>
> ---
>   target/s390x/insn-data.def |  3 +++
>   target/s390x/translate.c   | 10 ++++++++++
>   2 files changed, 13 insertions(+)

Reviewed-by: Richard Henderson <[e-mail]>


r~

Patch

diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def
index 0f70acea5c..170b50ef2e 100644
--- a/target/s390x/insn-data.def
+++ b/target/s390x/insn-data.def
@@ -810,6 +810,9 @@ 
 /* SUPERVISOR CALL */
     C(0x0a00, SVC,     I,     Z,   0, 0, 0, 0, svc, 0)
 
+/* TEST ADDRESSING MODE */
+    C(0x010b, TAM,     E,     Z,   0, 0, 0, 0, tam, 0)
+
 /* TEST AND SET */
     C(0x9300, TS,      S,     Z,   0, a2, 0, 0, ts, 0)
 
diff --git a/target/s390x/translate.c b/target/s390x/translate.c
index 0cfa8cc05e..7f265aeb40 100644
--- a/target/s390x/translate.c
+++ b/target/s390x/translate.c
@@ -4063,6 +4063,16 @@  static ExitStatus op_svc(DisasContext *s, DisasOps *o)
     return EXIT_NORETURN;
 }
 
+static ExitStatus op_tam(DisasContext *s, DisasOps *o)
+{
+    int cc = 0;
+
+    cc |= (s->tb->flags & FLAG_MASK_64) ? 2 : 0;
+    cc |= (s->tb->flags & FLAG_MASK_32) ? 1 : 0;
+    gen_op_movi_cc(s, cc);
+    return NO_EXIT;
+}
+
 static ExitStatus op_tceb(DisasContext *s, DisasOps *o)
 {
     gen_helper_tceb(cc_op, cpu_env, o->in1, o->in2);