These changes are the raw update to qemu-2.6.

[kvmfornfv.git] / qemu / replay / replay-time.c

diff --git a/qemu/replay/replay-time.c b/qemu/replay/replay-time.c
new file mode 100644 (file)
index 0000000..fffe072
--- /dev/null
+++ b/qemu/replay/replay-time.c
@@ -0,0 +1,65 @@
+/*
+ * replay-time.c
+ *
+ * Copyright (c) 2010-2015 Institute for System Programming
+ *                         of the Russian Academy of Sciences.
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ */
+
+#include "qemu/osdep.h"
+#include "qemu-common.h"
+#include "sysemu/replay.h"
+#include "replay-internal.h"
+#include "qemu/error-report.h"
+
+int64_t replay_save_clock(ReplayClockKind kind, int64_t clock)
+{
+    replay_save_instructions();
+
+    if (replay_file) {
+        replay_mutex_lock();
+        replay_put_event(EVENT_CLOCK + kind);
+        replay_put_qword(clock);
+        replay_mutex_unlock();
+    }
+
+    return clock;
+}
+
+void replay_read_next_clock(ReplayClockKind kind)
+{
+    unsigned int read_kind = replay_data_kind - EVENT_CLOCK;
+
+    assert(read_kind == kind);
+
+    int64_t clock = replay_get_qword();
+
+    replay_check_error();
+    replay_finish_event();
+
+    replay_state.cached_clock[read_kind] = clock;
+}
+
+/*! Reads next clock event from the input. */
+int64_t replay_read_clock(ReplayClockKind kind)
+{
+    replay_account_executed_instructions();
+
+    if (replay_file) {
+        int64_t ret;
+        replay_mutex_lock();
+        if (replay_next_event_is(EVENT_CLOCK + kind)) {
+            replay_read_next_clock(kind);
+        }
+        ret = replay_state.cached_clock[kind];
+        replay_mutex_unlock();
+
+        return ret;
+    }
+
+    error_report("REPLAY INTERNAL ERROR %d", __LINE__);
+    exit(1);
+}