|
 |
28c80a |
From 79880b67f42bad47d885722d58abcedc53986759 Mon Sep 17 00:00:00 2001
|
|
|
28c80a |
From: David Hildenbrand <david@redhat.com>
|
|
|
28c80a |
Date: Fri, 21 Dec 2018 15:39:52 +0100
|
|
|
28c80a |
Subject: [PATCH 08/14] s390x/tcg: implement SET CLOCK
|
|
|
28c80a |
|
|
|
28c80a |
RH-Author: David Hildenbrand <david@redhat.com>
|
|
|
28c80a |
Message-id: <20181221153957.28183-8-david@redhat.com>
|
|
|
28c80a |
Patchwork-id: 83762
|
|
|
28c80a |
O-Subject: [RHEL-7.6.z qemu-kvm-ma PATCH 07/12] s390x/tcg: implement SET CLOCK
|
|
|
28c80a |
Bugzilla: 1672920
|
|
|
28c80a |
RH-Acked-by: Cornelia Huck <cohuck@redhat.com>
|
|
|
28c80a |
RH-Acked-by: Thomas Huth <thuth@redhat.com>
|
|
|
28c80a |
RH-Acked-by: Laurent Vivier <lvivier@redhat.com>
|
|
|
28c80a |
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
|
|
|
28c80a |
|
|
|
28c80a |
Conflicts:
|
|
|
28c80a |
target/s390x/translate.c: ExitStatus vs. DisasJumpType
|
|
|
28c80a |
|
|
|
28c80a |
This allows a guest to change its TOD. We already take care of updating
|
|
|
28c80a |
all CKC timers from within S390TODClass.
|
|
|
28c80a |
|
|
|
28c80a |
Use MO_ALIGN to load the operand manually - this will properly trigger a
|
|
|
28c80a |
SPECIFICATION exception.
|
|
|
28c80a |
|
|
|
28c80a |
Acked-by: Thomas Huth <thuth@redhat.com>
|
|
|
28c80a |
Signed-off-by: David Hildenbrand <david@redhat.com>
|
|
|
28c80a |
Message-Id: <20180627134410.4901-8-david@redhat.com>
|
|
|
28c80a |
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
|
|
|
28c80a |
(cherry picked from commit 9dc6753718d4c0fe327729fea94e4d9f3f5a3d17)
|
|
|
28c80a |
Signed-off-by: David Hildenbrand <david@redhat.com>
|
|
|
28c80a |
---
|
|
|
28c80a |
target/s390x/helper.h | 1 +
|
|
|
28c80a |
target/s390x/insn-data.def | 3 +--
|
|
|
28c80a |
target/s390x/misc_helper.c | 16 ++++++++++++++++
|
|
|
28c80a |
target/s390x/translate.c | 9 +++++++++
|
|
|
28c80a |
4 files changed, 27 insertions(+), 2 deletions(-)
|
|
|
28c80a |
|
|
|
28c80a |
diff --git a/target/s390x/helper.h b/target/s390x/helper.h
|
|
|
28c80a |
index 59cba86..97c60ca 100644
|
|
|
28c80a |
--- a/target/s390x/helper.h
|
|
|
28c80a |
+++ b/target/s390x/helper.h
|
|
|
28c80a |
@@ -127,6 +127,7 @@ DEF_HELPER_4(diag, void, env, i32, i32, i32)
|
|
|
28c80a |
DEF_HELPER_3(load_psw, noreturn, env, i64, i64)
|
|
|
28c80a |
DEF_HELPER_FLAGS_2(spx, TCG_CALL_NO_RWG, void, env, i64)
|
|
|
28c80a |
DEF_HELPER_FLAGS_1(stck, TCG_CALL_NO_RWG_SE, i64, env)
|
|
|
28c80a |
+DEF_HELPER_FLAGS_2(sck, TCG_CALL_NO_RWG, i32, env, i64)
|
|
|
28c80a |
DEF_HELPER_FLAGS_2(sckc, TCG_CALL_NO_RWG, void, env, i64)
|
|
|
28c80a |
DEF_HELPER_FLAGS_2(sckpf, TCG_CALL_NO_RWG, void, env, i64)
|
|
|
28c80a |
DEF_HELPER_FLAGS_1(stckc, TCG_CALL_NO_RWG, i64, env)
|
|
|
28c80a |
diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def
|
|
|
28c80a |
index 1576194..5c6f33e 100644
|
|
|
28c80a |
--- a/target/s390x/insn-data.def
|
|
|
28c80a |
+++ b/target/s390x/insn-data.def
|
|
|
28c80a |
@@ -997,8 +997,7 @@
|
|
|
28c80a |
/* SET ADDRESS SPACE CONTROL FAST */
|
|
|
28c80a |
C(0xb279, SACF, S, Z, 0, a2, 0, 0, sacf, 0)
|
|
|
28c80a |
/* SET CLOCK */
|
|
|
28c80a |
- /* ??? Not implemented - is it necessary? */
|
|
|
28c80a |
- C(0xb204, SCK, S, Z, 0, 0, 0, 0, 0, 0)
|
|
|
28c80a |
+ C(0xb204, SCK, S, Z, la2, 0, 0, 0, sck, 0)
|
|
|
28c80a |
/* SET CLOCK COMPARATOR */
|
|
|
28c80a |
C(0xb206, SCKC, S, Z, 0, m2_64a, 0, 0, sckc, 0)
|
|
|
28c80a |
/* SET CLOCK PROGRAMMABLE FIELD */
|
|
|
28c80a |
diff --git a/target/s390x/misc_helper.c b/target/s390x/misc_helper.c
|
|
|
28c80a |
index cada7af..d629b2f 100644
|
|
|
28c80a |
--- a/target/s390x/misc_helper.c
|
|
|
28c80a |
+++ b/target/s390x/misc_helper.c
|
|
|
28c80a |
@@ -185,6 +185,22 @@ void tcg_s390_tod_updated(CPUState *cs, run_on_cpu_data opaque)
|
|
|
28c80a |
helper_sckc(env, env->ckc);
|
|
|
28c80a |
}
|
|
|
28c80a |
|
|
|
28c80a |
+/* Set Clock */
|
|
|
28c80a |
+uint32_t HELPER(sck)(CPUS390XState *env, uint64_t tod_low)
|
|
|
28c80a |
+{
|
|
|
28c80a |
+ S390TODState *td = s390_get_todstate();
|
|
|
28c80a |
+ S390TODClass *tdc = S390_TOD_GET_CLASS(td);
|
|
|
28c80a |
+ S390TOD tod = {
|
|
|
28c80a |
+ .high = 0,
|
|
|
28c80a |
+ .low = tod_low,
|
|
|
28c80a |
+ };
|
|
|
28c80a |
+
|
|
|
28c80a |
+ qemu_mutex_lock_iothread();
|
|
|
28c80a |
+ tdc->set(td, &tod, &error_abort);
|
|
|
28c80a |
+ qemu_mutex_unlock_iothread();
|
|
|
28c80a |
+ return 0;
|
|
|
28c80a |
+}
|
|
|
28c80a |
+
|
|
|
28c80a |
/* Set Tod Programmable Field */
|
|
|
28c80a |
void HELPER(sckpf)(CPUS390XState *env, uint64_t r0)
|
|
|
28c80a |
{
|
|
|
28c80a |
diff --git a/target/s390x/translate.c b/target/s390x/translate.c
|
|
|
28c80a |
index 7d39ab3..ed9aff4 100644
|
|
|
28c80a |
--- a/target/s390x/translate.c
|
|
|
28c80a |
+++ b/target/s390x/translate.c
|
|
|
28c80a |
@@ -4015,6 +4015,15 @@ static ExitStatus op_stcke(DisasContext *s, DisasOps *o)
|
|
|
28c80a |
return NO_EXIT;
|
|
|
28c80a |
}
|
|
|
28c80a |
|
|
|
28c80a |
+static ExitStatus op_sck(DisasContext *s, DisasOps *o)
|
|
|
28c80a |
+{
|
|
|
28c80a |
+ check_privileged(s);
|
|
|
28c80a |
+ tcg_gen_qemu_ld_i64(o->in1, o->addr1, get_mem_index(s), MO_TEQ | MO_ALIGN);
|
|
|
28c80a |
+ gen_helper_sck(cc_op, cpu_env, o->in1);
|
|
|
28c80a |
+ set_cc_static(s);
|
|
|
28c80a |
+ return NO_EXIT;
|
|
|
28c80a |
+}
|
|
|
28c80a |
+
|
|
|
28c80a |
static ExitStatus op_sckc(DisasContext *s, DisasOps *o)
|
|
|
28c80a |
{
|
|
|
28c80a |
check_privileged(s);
|
|
|
28c80a |
--
|
|
|
28c80a |
1.8.3.1
|
|
|
28c80a |
|