mirror of
https://github.com/yuzu-emu/unicorn
synced 2024-11-25 12:38:57 +00:00
104 lines
2.8 KiB
C
104 lines
2.8 KiB
C
/*
|
|
* QEMU System Emulator
|
|
*
|
|
* Copyright (c) 2003-2008 Fabrice Bellard
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
|
|
/* Modified for Unicorn Engine by Nguyen Anh Quynh, 2015 */
|
|
|
|
#include "qemu/osdep.h"
|
|
#include "sysemu/sysemu.h"
|
|
|
|
#include "hw/hw.h"
|
|
|
|
#include "qemu/timer.h"
|
|
|
|
#ifdef CONFIG_PPOLL
|
|
#include <poll.h>
|
|
#endif
|
|
|
|
#ifdef CONFIG_PRCTL_PR_SET_TIMERSLACK
|
|
#include <sys/prctl.h>
|
|
#endif
|
|
|
|
#include "uc_priv.h"
|
|
|
|
/***********************************************************/
|
|
/* timers */
|
|
|
|
typedef struct QEMUClock {
|
|
/* We rely on BQL to protect the timerlists */
|
|
QLIST_HEAD(, QEMUTimerList) timerlists;
|
|
|
|
int64_t last;
|
|
|
|
QEMUClockType type;
|
|
bool enabled;
|
|
} QEMUClock;
|
|
|
|
static QEMUClock qemu_clocks[QEMU_CLOCK_MAX];
|
|
|
|
/**
|
|
* qemu_clock_ptr:
|
|
* @type: type of clock
|
|
*
|
|
* Translate a clock type into a pointer to QEMUClock object.
|
|
*
|
|
* Returns: a pointer to the QEMUClock object
|
|
*/
|
|
static inline QEMUClock *qemu_clock_ptr(QEMUClockType type)
|
|
{
|
|
return &qemu_clocks[type];
|
|
}
|
|
|
|
/* return the host CPU cycle counter and handle stop/restart */
|
|
int64_t cpu_get_ticks(void)
|
|
{
|
|
return cpu_get_real_ticks();
|
|
}
|
|
|
|
/* return the host CPU monotonic time */
|
|
int64_t cpu_get_clock(void)
|
|
{
|
|
return get_clock();
|
|
}
|
|
|
|
int64_t qemu_clock_get_ns(QEMUClockType type)
|
|
{
|
|
int64_t now, last;
|
|
QEMUClock *clock = qemu_clock_ptr(type);
|
|
|
|
switch (type) {
|
|
case QEMU_CLOCK_REALTIME:
|
|
return get_clock();
|
|
default:
|
|
case QEMU_CLOCK_VIRTUAL:
|
|
return cpu_get_clock();
|
|
case QEMU_CLOCK_HOST:
|
|
now = get_clock_realtime();
|
|
last = clock->last;
|
|
clock->last = now;
|
|
if (now < last) {
|
|
// notifier_list_notify(&clock->reset_notifiers, &now); // FIXME
|
|
}
|
|
return now;
|
|
}
|
|
}
|