cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
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qmp-event.c (1137B)

      1/*
      2 * QMP Event related
      3 *
      4 * Copyright (c) 2014 Wenchao Xia
      5 *
      6 * Authors:
      7 *  Wenchao Xia   <wenchaoqemu@gmail.com>
      8 *
      9 * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
     10 * See the COPYING.LIB file in the top-level directory.
     11 *
     12 */
     13
     14#include "qemu/osdep.h"
     15
     16#include "qapi/qmp-event.h"
     17#include "qapi/qmp/qstring.h"
     18#include "qapi/qmp/qdict.h"
     19#include "qapi/qmp/qjson.h"
     20
     21static void timestamp_put(QDict *qdict)
     22{
     23    int err;
     24    QDict *ts;
     25    qemu_timeval tv;
     26
     27    err = qemu_gettimeofday(&tv);
     28    /* Put -1 to indicate failure of getting host time */
     29    ts = qdict_from_jsonf_nofail("{ 'seconds': %lld, 'microseconds': %lld }",
     30                                 err < 0 ? -1LL : (long long)tv.tv_sec,
     31                                 err < 0 ? -1LL : (long long)tv.tv_usec);
     32    qdict_put(qdict, "timestamp", ts);
     33}
     34
     35/*
     36 * Build a QDict, then fill event name and time stamp, caller should free the
     37 * QDict after usage.
     38 */
     39QDict *qmp_event_build_dict(const char *event_name)
     40{
     41    QDict *dict = qdict_new();
     42    qdict_put_str(dict, "event", event_name);
     43    timestamp_put(dict);
     44    return dict;
     45}