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[Qemu-devel] [PATCH v2 04/29] target/s390x: implement TEST AND SET
From: |
Aurelien Jarno |
Subject: |
[Qemu-devel] [PATCH v2 04/29] target/s390x: implement TEST AND SET |
Date: |
Mon, 29 May 2017 21:24:15 +0200 |
Signed-off-by: Aurelien Jarno <address@hidden>
---
target/s390x/insn-data.def | 3 +++
target/s390x/translate.c | 10 ++++++++++
2 files changed, 13 insertions(+)
diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def
index f818437069..0f70acea5c 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 AND SET */
+ C(0x9300, TS, S, Z, 0, a2, 0, 0, ts, 0)
+
/* TEST DATA CLASS */
C(0xed10, TCEB, RXE, Z, e1, a2, 0, 0, tceb, 0)
C(0xed11, TCDB, RXE, Z, f1_o, a2, 0, 0, tcdb, 0)
diff --git a/target/s390x/translate.c b/target/s390x/translate.c
index f160b62c19..0cfa8cc05e 100644
--- a/target/s390x/translate.c
+++ b/target/s390x/translate.c
@@ -4129,6 +4129,16 @@ static ExitStatus op_trt(DisasContext *s, DisasOps *o)
return NO_EXIT;
}
+static ExitStatus op_ts(DisasContext *s, DisasOps *o)
+{
+ TCGv_i32 t1 = tcg_const_i32(0xff);
+ tcg_gen_atomic_xchg_i32(t1, o->in2, t1, get_mem_index(s), MO_UB);
+ tcg_gen_extract_i32(cc_op, t1, 7, 1);
+ tcg_temp_free_i32(t1);
+ set_cc_static(s);
+ return NO_EXIT;
+}
+
static ExitStatus op_unpk(DisasContext *s, DisasOps *o)
{
TCGv_i32 l = tcg_const_i32(get_field(s->fields, l1));
--
2.11.0
- [Qemu-devel] [PATCH v2 00/29] target/s390x: fix, improve and implement some more instructions, Aurelien Jarno, 2017/05/29
- [Qemu-devel] [PATCH v2 08/29] target/s390x: implement STORE PAIR TO QUADWORD, Aurelien Jarno, 2017/05/29
- [Qemu-devel] [PATCH v2 04/29] target/s390x: implement TEST AND SET,
Aurelien Jarno <=
- [Qemu-devel] [PATCH v2 19/29] target/s390x: fix adj_len_to_page, Aurelien Jarno, 2017/05/29
- [Qemu-devel] [PATCH v2 14/29] target/s390x: improve 24-bit and 31-bit addresses read, Aurelien Jarno, 2017/05/29
- [Qemu-devel] [PATCH v2 05/29] target/s390x: implement TEST ADDRESSING MODE, Aurelien Jarno, 2017/05/29
- [Qemu-devel] [PATCH v2 01/29] target/s390x: remove dead code in translate.c, Aurelien Jarno, 2017/05/29