[Qemu-devel] [RFC PATCH v2 31/49] replay: shutdown event

[Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>]

This patch records and replays simulator shutdown event.

Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
---
 include/sysemu/sysemu.h  |    1 +
 replay/replay-internal.h |   13 ++++++-------
 replay/replay.c          |   11 +++++++++++
 replay/replay.h          |    5 +++++
 vl.c                     |    8 +++++++-
 5 files changed, 30 insertions(+), 8 deletions(-)

diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h
index 1ebfef9..9000feb 100644
--- a/include/sysemu/sysemu.h
+++ b/include/sysemu/sysemu.h
@@ -57,6 +57,7 @@ void qemu_register_suspend_notifier(Notifier *notifier);
 void qemu_system_wakeup_request(WakeupReason reason);
 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled);
 void qemu_register_wakeup_notifier(Notifier *notifier);
+void qemu_system_shutdown_request_impl(void);
 void qemu_system_shutdown_request(void);
 void qemu_system_powerdown_request(void);
 void qemu_register_powerdown_notifier(Notifier *notifier);
diff --git a/replay/replay-internal.h b/replay/replay-internal.h
index 79e23ee..033dbdc 100755
--- a/replay/replay-internal.h
+++ b/replay/replay-internal.h
@@ -15,17 +15,16 @@
 #include <stdio.h>
 #include "sysemu/sysemu.h"
 
-<<<<<<< current
-/* for software interrupt */
-#define EVENT_INTERRUPT             15
-/* for emulated exceptions */
-#define EVENT_EXCEPTION             23
-=======
 /* for time_t event */
 #define EVENT_TIME_T                1
 /* for tm event */
 #define EVENT_TM                    2
->>>>>>> patched
+/* for software interrupt */
+#define EVENT_INTERRUPT             15
+/* for shutdown request */
+#define EVENT_SHUTDOWN              20
+/* for emulated exceptions */
+#define EVENT_EXCEPTION             23
 /* for async events */
 #define EVENT_ASYNC                 24
 #define EVENT_ASYNC_OPT             25
diff --git a/replay/replay.c b/replay/replay.c
index 41a27a9..2067d6b 100755
--- a/replay/replay.c
+++ b/replay/replay.c
@@ -43,6 +43,10 @@ bool skip_async_events(int stop_event)
             res = true;
         }
         switch (replay_data_kind) {
+        case EVENT_SHUTDOWN:
+            replay_has_unread_data = 0;
+            qemu_system_shutdown_request_impl();
+            break;
         case EVENT_INSTRUCTION:
             first_cpu->instructions_count = replay_get_dword();
             return res;
@@ -201,3 +205,10 @@ bool replay_has_interrupt(void)
     }
     return false;
 }
+
+void replay_shutdown_request(void)
+{
+    if (replay_mode == REPLAY_SAVE) {
+        replay_put_event(EVENT_SHUTDOWN);
+    }
+}
diff --git a/replay/replay.h b/replay/replay.h
index 16e368c..a84c57c 100755
--- a/replay/replay.h
+++ b/replay/replay.h
@@ -83,6 +83,11 @@ void replay_save_tm(struct tm *tm);
 /*! Reads struct tm value from the log. Stops execution in case of error */
 void replay_read_tm(struct tm *tm);
 
+/* Events */
+
+/*! Called when qemu shutdown is requested. */
+void replay_shutdown_request(void);
+
 /* Asynchronous events queue */
 
 /*! Disables storing events in the queue */
diff --git a/vl.c b/vl.c
index 86aba43..1a837e6 100644
--- a/vl.c
+++ b/vl.c
@@ -1929,13 +1929,19 @@ void qemu_system_killed(int signal, pid_t pid)
     qemu_system_shutdown_request();
 }
 
-void qemu_system_shutdown_request(void)
+void qemu_system_shutdown_request_impl(void)
 {
     trace_qemu_system_shutdown_request();
     shutdown_requested = 1;
     qemu_notify_event();
 }
 
+void qemu_system_shutdown_request(void)
+{
+    replay_shutdown_request();
+    qemu_system_shutdown_request_impl();
+}
+
 static void qemu_system_powerdown(void)
 {
     qapi_event_send_powerdown(&error_abort);