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-rw-r--r--qemu/replay/replay-time.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/qemu/replay/replay-time.c b/qemu/replay/replay-time.c
new file mode 100644
index 000000000..fffe072c5
--- /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);
+}