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/*
* 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);
}
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