Adding qemu as a submodule of KVMFORNFV

This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>

1 files changed, 0 insertions, 1726 deletions

diff --git a/qemu/cpus.c b/qemu/cpus.c
deleted file mode 100644
index cbeb1f613..000000000
--- a/qemu/cpus.c
+++ /dev/null
@@ -1,1726 +0,0 @@
-/*
- * 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.
- */
-
-/* Needed early for CONFIG_BSD etc. */
-#include "qemu/osdep.h"
-
-#include "monitor/monitor.h"
-#include "qapi/qmp/qerror.h"
-#include "qemu/error-report.h"
-#include "sysemu/sysemu.h"
-#include "sysemu/block-backend.h"
-#include "exec/gdbstub.h"
-#include "sysemu/dma.h"
-#include "sysemu/kvm.h"
-#include "qmp-commands.h"
-
-#include "qemu/thread.h"
-#include "sysemu/cpus.h"
-#include "sysemu/qtest.h"
-#include "qemu/main-loop.h"
-#include "qemu/bitmap.h"
-#include "qemu/seqlock.h"
-#include "qapi-event.h"
-#include "hw/nmi.h"
-#include "sysemu/replay.h"
-
-#ifndef _WIN32
-#include "qemu/compatfd.h"
-#endif
-
-#ifdef CONFIG_LINUX
-
-#include <sys/prctl.h>
-
-#ifndef PR_MCE_KILL
-#define PR_MCE_KILL 33
-#endif
-
-#ifndef PR_MCE_KILL_SET
-#define PR_MCE_KILL_SET 1
-#endif
-
-#ifndef PR_MCE_KILL_EARLY
-#define PR_MCE_KILL_EARLY 1
-#endif
-
-#endif /* CONFIG_LINUX */
-
-static CPUState *next_cpu;
-int64_t max_delay;
-int64_t max_advance;
-
-/* vcpu throttling controls */
-static QEMUTimer *throttle_timer;
-static unsigned int throttle_percentage;
-
-#define CPU_THROTTLE_PCT_MIN 1
-#define CPU_THROTTLE_PCT_MAX 99
-#define CPU_THROTTLE_TIMESLICE_NS 10000000
-
-bool cpu_is_stopped(CPUState *cpu)
-{
-    return cpu->stopped || !runstate_is_running();
-}
-
-static bool cpu_thread_is_idle(CPUState *cpu)
-{
-    if (cpu->stop || cpu->queued_work_first) {
-        return false;
-    }
-    if (cpu_is_stopped(cpu)) {
-        return true;
-    }
-    if (!cpu->halted || cpu_has_work(cpu) ||
-        kvm_halt_in_kernel()) {
-        return false;
-    }
-    return true;
-}
-
-static bool all_cpu_threads_idle(void)
-{
-    CPUState *cpu;
-
-    CPU_FOREACH(cpu) {
-        if (!cpu_thread_is_idle(cpu)) {
-            return false;
-        }
-    }
-    return true;
-}
-
-/***********************************************************/
-/* guest cycle counter */
-
-/* Protected by TimersState seqlock */
-
-static bool icount_sleep = true;
-static int64_t vm_clock_warp_start = -1;
-/* Conversion factor from emulated instructions to virtual clock ticks.  */
-static int icount_time_shift;
-/* Arbitrarily pick 1MIPS as the minimum allowable speed.  */
-#define MAX_ICOUNT_SHIFT 10
-
-static QEMUTimer *icount_rt_timer;
-static QEMUTimer *icount_vm_timer;
-static QEMUTimer *icount_warp_timer;
-
-typedef struct TimersState {
-    /* Protected by BQL.  */
-    int64_t cpu_ticks_prev;
-    int64_t cpu_ticks_offset;
-
-    /* cpu_clock_offset can be read out of BQL, so protect it with
-     * this lock.
-     */
-    QemuSeqLock vm_clock_seqlock;
-    int64_t cpu_clock_offset;
-    int32_t cpu_ticks_enabled;
-    int64_t dummy;
-
-    /* Compensate for varying guest execution speed.  */
-    int64_t qemu_icount_bias;
-    /* Only written by TCG thread */
-    int64_t qemu_icount;
-} TimersState;
-
-static TimersState timers_state;
-
-int64_t cpu_get_icount_raw(void)
-{
-    int64_t icount;
-    CPUState *cpu = current_cpu;
-
-    icount = timers_state.qemu_icount;
-    if (cpu) {
-        if (!cpu->can_do_io) {
-            fprintf(stderr, "Bad icount read\n");
-            exit(1);
-        }
-        icount -= (cpu->icount_decr.u16.low + cpu->icount_extra);
-    }
-    return icount;
-}
-
-/* Return the virtual CPU time, based on the instruction counter.  */
-static int64_t cpu_get_icount_locked(void)
-{
-    int64_t icount = cpu_get_icount_raw();
-    return timers_state.qemu_icount_bias + cpu_icount_to_ns(icount);
-}
-
-int64_t cpu_get_icount(void)
-{
-    int64_t icount;
-    unsigned start;
-
-    do {
-        start = seqlock_read_begin(&timers_state.vm_clock_seqlock);
-        icount = cpu_get_icount_locked();
-    } while (seqlock_read_retry(&timers_state.vm_clock_seqlock, start));
-
-    return icount;
-}
-
-int64_t cpu_icount_to_ns(int64_t icount)
-{
-    return icount << icount_time_shift;
-}
-
-/* return the host CPU cycle counter and handle stop/restart */
-/* Caller must hold the BQL */
-int64_t cpu_get_ticks(void)
-{
-    int64_t ticks;
-
-    if (use_icount) {
-        return cpu_get_icount();
-    }
-
-    ticks = timers_state.cpu_ticks_offset;
-    if (timers_state.cpu_ticks_enabled) {
-        ticks += cpu_get_host_ticks();
-    }
-
-    if (timers_state.cpu_ticks_prev > ticks) {
-        /* Note: non increasing ticks may happen if the host uses
-           software suspend */
-        timers_state.cpu_ticks_offset += timers_state.cpu_ticks_prev - ticks;
-        ticks = timers_state.cpu_ticks_prev;
-    }
-
-    timers_state.cpu_ticks_prev = ticks;
-    return ticks;
-}
-
-static int64_t cpu_get_clock_locked(void)
-{
-    int64_t ticks;
-
-    ticks = timers_state.cpu_clock_offset;
-    if (timers_state.cpu_ticks_enabled) {
-        ticks += get_clock();
-    }
-
-    return ticks;
-}
-
-/* return the host CPU monotonic timer and handle stop/restart */
-int64_t cpu_get_clock(void)
-{
-    int64_t ti;
-    unsigned start;
-
-    do {
-        start = seqlock_read_begin(&timers_state.vm_clock_seqlock);
-        ti = cpu_get_clock_locked();
-    } while (seqlock_read_retry(&timers_state.vm_clock_seqlock, start));
-
-    return ti;
-}
-
-/* enable cpu_get_ticks()
- * Caller must hold BQL which server as mutex for vm_clock_seqlock.
- */
-void cpu_enable_ticks(void)
-{
-    /* Here, the really thing protected by seqlock is cpu_clock_offset. */
-    seqlock_write_lock(&timers_state.vm_clock_seqlock);
-    if (!timers_state.cpu_ticks_enabled) {
-        timers_state.cpu_ticks_offset -= cpu_get_host_ticks();
-        timers_state.cpu_clock_offset -= get_clock();
-        timers_state.cpu_ticks_enabled = 1;
-    }
-    seqlock_write_unlock(&timers_state.vm_clock_seqlock);
-}
-
-/* disable cpu_get_ticks() : the clock is stopped. You must not call
- * cpu_get_ticks() after that.
- * Caller must hold BQL which server as mutex for vm_clock_seqlock.
- */
-void cpu_disable_ticks(void)
-{
-    /* Here, the really thing protected by seqlock is cpu_clock_offset. */
-    seqlock_write_lock(&timers_state.vm_clock_seqlock);
-    if (timers_state.cpu_ticks_enabled) {
-        timers_state.cpu_ticks_offset += cpu_get_host_ticks();
-        timers_state.cpu_clock_offset = cpu_get_clock_locked();
-        timers_state.cpu_ticks_enabled = 0;
-    }
-    seqlock_write_unlock(&timers_state.vm_clock_seqlock);
-}
-
-/* Correlation between real and virtual time is always going to be
-   fairly approximate, so ignore small variation.
-   When the guest is idle real and virtual time will be aligned in
-   the IO wait loop.  */
-#define ICOUNT_WOBBLE (NANOSECONDS_PER_SECOND / 10)
-
-static void icount_adjust(void)
-{
-    int64_t cur_time;
-    int64_t cur_icount;
-    int64_t delta;
-
-    /* Protected by TimersState mutex.  */
-    static int64_t last_delta;
-
-    /* If the VM is not running, then do nothing.  */
-    if (!runstate_is_running()) {
-        return;
-    }
-
-    seqlock_write_lock(&timers_state.vm_clock_seqlock);
-    cur_time = cpu_get_clock_locked();
-    cur_icount = cpu_get_icount_locked();
-
-    delta = cur_icount - cur_time;
-    /* FIXME: This is a very crude algorithm, somewhat prone to oscillation.  */
-    if (delta > 0
-        && last_delta + ICOUNT_WOBBLE < delta * 2
-        && icount_time_shift > 0) {
-        /* The guest is getting too far ahead.  Slow time down.  */
-        icount_time_shift--;
-    }
-    if (delta < 0
-        && last_delta - ICOUNT_WOBBLE > delta * 2
-        && icount_time_shift < MAX_ICOUNT_SHIFT) {
-        /* The guest is getting too far behind.  Speed time up.  */
-        icount_time_shift++;
-    }
-    last_delta = delta;
-    timers_state.qemu_icount_bias = cur_icount
-                              - (timers_state.qemu_icount << icount_time_shift);
-    seqlock_write_unlock(&timers_state.vm_clock_seqlock);
-}
-
-static void icount_adjust_rt(void *opaque)
-{
-    timer_mod(icount_rt_timer,
-              qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL_RT) + 1000);
-    icount_adjust();
-}
-
-static void icount_adjust_vm(void *opaque)
-{
-    timer_mod(icount_vm_timer,
-                   qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
-                   NANOSECONDS_PER_SECOND / 10);
-    icount_adjust();
-}
-
-static int64_t qemu_icount_round(int64_t count)
-{
-    return (count + (1 << icount_time_shift) - 1) >> icount_time_shift;
-}
-
-static void icount_warp_rt(void)
-{
-    unsigned seq;
-    int64_t warp_start;
-
-    /* The icount_warp_timer is rescheduled soon after vm_clock_warp_start
-     * changes from -1 to another value, so the race here is okay.
-     */
-    do {
-        seq = seqlock_read_begin(&timers_state.vm_clock_seqlock);
-        warp_start = vm_clock_warp_start;
-    } while (seqlock_read_retry(&timers_state.vm_clock_seqlock, seq));
-
-    if (warp_start == -1) {
-        return;
-    }
-
-    seqlock_write_lock(&timers_state.vm_clock_seqlock);
-    if (runstate_is_running()) {
-        int64_t clock = REPLAY_CLOCK(REPLAY_CLOCK_VIRTUAL_RT,
-                                     cpu_get_clock_locked());
-        int64_t warp_delta;
-
-        warp_delta = clock - vm_clock_warp_start;
-        if (use_icount == 2) {
-            /*
-             * In adaptive mode, do not let QEMU_CLOCK_VIRTUAL run too
-             * far ahead of real time.
-             */
-            int64_t cur_icount = cpu_get_icount_locked();
-            int64_t delta = clock - cur_icount;
-            warp_delta = MIN(warp_delta, delta);
-        }
-        timers_state.qemu_icount_bias += warp_delta;
-    }
-    vm_clock_warp_start = -1;
-    seqlock_write_unlock(&timers_state.vm_clock_seqlock);
-
-    if (qemu_clock_expired(QEMU_CLOCK_VIRTUAL)) {
-        qemu_clock_notify(QEMU_CLOCK_VIRTUAL);
-    }
-}
-
-static void icount_timer_cb(void *opaque)
-{
-    /* No need for a checkpoint because the timer already synchronizes
-     * with CHECKPOINT_CLOCK_VIRTUAL_RT.
-     */
-    icount_warp_rt();
-}
-
-void qtest_clock_warp(int64_t dest)
-{
-    int64_t clock = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
-    AioContext *aio_context;
-    assert(qtest_enabled());
-    aio_context = qemu_get_aio_context();
-    while (clock < dest) {
-        int64_t deadline = qemu_clock_deadline_ns_all(QEMU_CLOCK_VIRTUAL);
-        int64_t warp = qemu_soonest_timeout(dest - clock, deadline);
-
-        seqlock_write_lock(&timers_state.vm_clock_seqlock);
-        timers_state.qemu_icount_bias += warp;
-        seqlock_write_unlock(&timers_state.vm_clock_seqlock);
-
-        qemu_clock_run_timers(QEMU_CLOCK_VIRTUAL);
-        timerlist_run_timers(aio_context->tlg.tl[QEMU_CLOCK_VIRTUAL]);
-        clock = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
-    }
-    qemu_clock_notify(QEMU_CLOCK_VIRTUAL);
-}
-
-void qemu_start_warp_timer(void)
-{
-    int64_t clock;
-    int64_t deadline;
-
-    if (!use_icount) {
-        return;
-    }
-
-    /* Nothing to do if the VM is stopped: QEMU_CLOCK_VIRTUAL timers
-     * do not fire, so computing the deadline does not make sense.
-     */
-    if (!runstate_is_running()) {
-        return;
-    }
-
-    /* warp clock deterministically in record/replay mode */
-    if (!replay_checkpoint(CHECKPOINT_CLOCK_WARP_START)) {
-        return;
-    }
-
-    if (!all_cpu_threads_idle()) {
-        return;
-    }
-
-    if (qtest_enabled()) {
-        /* When testing, qtest commands advance icount.  */
-        return;
-    }
-
-    /* We want to use the earliest deadline from ALL vm_clocks */
-    clock = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL_RT);
-    deadline = qemu_clock_deadline_ns_all(QEMU_CLOCK_VIRTUAL);
-    if (deadline < 0) {
-        static bool notified;
-        if (!icount_sleep && !notified) {
-            error_report("WARNING: icount sleep disabled and no active timers");
-            notified = true;
-        }
-        return;
-    }
-
-    if (deadline > 0) {
-        /*
-         * Ensure QEMU_CLOCK_VIRTUAL proceeds even when the virtual CPU goes to
-         * sleep.  Otherwise, the CPU might be waiting for a future timer
-         * interrupt to wake it up, but the interrupt never comes because
-         * the vCPU isn't running any insns and thus doesn't advance the
-         * QEMU_CLOCK_VIRTUAL.
-         */
-        if (!icount_sleep) {
-            /*
-             * We never let VCPUs sleep in no sleep icount mode.
-             * If there is a pending QEMU_CLOCK_VIRTUAL timer we just advance
-             * to the next QEMU_CLOCK_VIRTUAL event and notify it.
-             * It is useful when we want a deterministic execution time,
-             * isolated from host latencies.
-             */
-            seqlock_write_lock(&timers_state.vm_clock_seqlock);
-            timers_state.qemu_icount_bias += deadline;
-            seqlock_write_unlock(&timers_state.vm_clock_seqlock);
-            qemu_clock_notify(QEMU_CLOCK_VIRTUAL);
-        } else {
-            /*
-             * We do stop VCPUs and only advance QEMU_CLOCK_VIRTUAL after some
-             * "real" time, (related to the time left until the next event) has
-             * passed. The QEMU_CLOCK_VIRTUAL_RT clock will do this.
-             * This avoids that the warps are visible externally; for example,
-             * you will not be sending network packets continuously instead of
-             * every 100ms.
-             */
-            seqlock_write_lock(&timers_state.vm_clock_seqlock);
-            if (vm_clock_warp_start == -1 || vm_clock_warp_start > clock) {
-                vm_clock_warp_start = clock;
-            }
-            seqlock_write_unlock(&timers_state.vm_clock_seqlock);
-            timer_mod_anticipate(icount_warp_timer, clock + deadline);
-        }
-    } else if (deadline == 0) {
-        qemu_clock_notify(QEMU_CLOCK_VIRTUAL);
-    }
-}
-
-static void qemu_account_warp_timer(void)
-{
-    if (!use_icount || !icount_sleep) {
-        return;
-    }
-
-    /* Nothing to do if the VM is stopped: QEMU_CLOCK_VIRTUAL timers
-     * do not fire, so computing the deadline does not make sense.
-     */
-    if (!runstate_is_running()) {
-        return;
-    }
-
-    /* warp clock deterministically in record/replay mode */
-    if (!replay_checkpoint(CHECKPOINT_CLOCK_WARP_ACCOUNT)) {
-        return;
-    }
-
-    timer_del(icount_warp_timer);
-    icount_warp_rt();
-}
-
-static bool icount_state_needed(void *opaque)
-{
-    return use_icount;
-}
-
-/*
- * This is a subsection for icount migration.
- */
-static const VMStateDescription icount_vmstate_timers = {
-    .name = "timer/icount",
-    .version_id = 1,
-    .minimum_version_id = 1,
-    .needed = icount_state_needed,
-    .fields = (VMStateField[]) {
-        VMSTATE_INT64(qemu_icount_bias, TimersState),
-        VMSTATE_INT64(qemu_icount, TimersState),
-        VMSTATE_END_OF_LIST()
-    }
-};
-
-static const VMStateDescription vmstate_timers = {
-    .name = "timer",
-    .version_id = 2,
-    .minimum_version_id = 1,
-    .fields = (VMStateField[]) {
-        VMSTATE_INT64(cpu_ticks_offset, TimersState),
-        VMSTATE_INT64(dummy, TimersState),
-        VMSTATE_INT64_V(cpu_clock_offset, TimersState, 2),
-        VMSTATE_END_OF_LIST()
-    },
-    .subsections = (const VMStateDescription*[]) {
-        &icount_vmstate_timers,
-        NULL
-    }
-};
-
-static void cpu_throttle_thread(void *opaque)
-{
-    CPUState *cpu = opaque;
-    double pct;
-    double throttle_ratio;
-    long sleeptime_ns;
-
-    if (!cpu_throttle_get_percentage()) {
-        return;
-    }
-
-    pct = (double)cpu_throttle_get_percentage()/100;
-    throttle_ratio = pct / (1 - pct);
-    sleeptime_ns = (long)(throttle_ratio * CPU_THROTTLE_TIMESLICE_NS);
-
-    qemu_mutex_unlock_iothread();
-    atomic_set(&cpu->throttle_thread_scheduled, 0);
-    g_usleep(sleeptime_ns / 1000); /* Convert ns to us for usleep call */
-    qemu_mutex_lock_iothread();
-}
-
-static void cpu_throttle_timer_tick(void *opaque)
-{
-    CPUState *cpu;
-    double pct;
-
-    /* Stop the timer if needed */
-    if (!cpu_throttle_get_percentage()) {
-        return;
-    }
-    CPU_FOREACH(cpu) {
-        if (!atomic_xchg(&cpu->throttle_thread_scheduled, 1)) {
-            async_run_on_cpu(cpu, cpu_throttle_thread, cpu);
-        }
-    }
-
-    pct = (double)cpu_throttle_get_percentage()/100;
-    timer_mod(throttle_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL_RT) +
-                                   CPU_THROTTLE_TIMESLICE_NS / (1-pct));
-}
-
-void cpu_throttle_set(int new_throttle_pct)
-{
-    /* Ensure throttle percentage is within valid range */
-    new_throttle_pct = MIN(new_throttle_pct, CPU_THROTTLE_PCT_MAX);
-    new_throttle_pct = MAX(new_throttle_pct, CPU_THROTTLE_PCT_MIN);
-
-    atomic_set(&throttle_percentage, new_throttle_pct);
-
-    timer_mod(throttle_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL_RT) +
-                                       CPU_THROTTLE_TIMESLICE_NS);
-}
-
-void cpu_throttle_stop(void)
-{
-    atomic_set(&throttle_percentage, 0);
-}
-
-bool cpu_throttle_active(void)
-{
-    return (cpu_throttle_get_percentage() != 0);
-}
-
-int cpu_throttle_get_percentage(void)
-{
-    return atomic_read(&throttle_percentage);
-}
-
-void cpu_ticks_init(void)
-{
-    seqlock_init(&timers_state.vm_clock_seqlock, NULL);
-    vmstate_register(NULL, 0, &vmstate_timers, &timers_state);
-    throttle_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL_RT,
-                                           cpu_throttle_timer_tick, NULL);
-}
-
-void configure_icount(QemuOpts *opts, Error **errp)
-{
-    const char *option;
-    char *rem_str = NULL;
-
-    option = qemu_opt_get(opts, "shift");
-    if (!option) {
-        if (qemu_opt_get(opts, "align") != NULL) {
-            error_setg(errp, "Please specify shift option when using align");
-        }
-        return;
-    }
-
-    icount_sleep = qemu_opt_get_bool(opts, "sleep", true);
-    if (icount_sleep) {
-        icount_warp_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL_RT,
-                                         icount_timer_cb, NULL);
-    }
-
-    icount_align_option = qemu_opt_get_bool(opts, "align", false);
-
-    if (icount_align_option && !icount_sleep) {
-        error_setg(errp, "align=on and sleep=off are incompatible");
-    }
-    if (strcmp(option, "auto") != 0) {
-        errno = 0;
-        icount_time_shift = strtol(option, &rem_str, 0);
-        if (errno != 0 || *rem_str != '\0' || !strlen(option)) {
-            error_setg(errp, "icount: Invalid shift value");
-        }
-        use_icount = 1;
-        return;
-    } else if (icount_align_option) {
-        error_setg(errp, "shift=auto and align=on are incompatible");
-    } else if (!icount_sleep) {
-        error_setg(errp, "shift=auto and sleep=off are incompatible");
-    }
-
-    use_icount = 2;
-
-    /* 125MIPS seems a reasonable initial guess at the guest speed.
-       It will be corrected fairly quickly anyway.  */
-    icount_time_shift = 3;
-
-    /* Have both realtime and virtual time triggers for speed adjustment.
-       The realtime trigger catches emulated time passing too slowly,
-       the virtual time trigger catches emulated time passing too fast.
-       Realtime triggers occur even when idle, so use them less frequently
-       than VM triggers.  */
-    icount_rt_timer = timer_new_ms(QEMU_CLOCK_VIRTUAL_RT,
-                                   icount_adjust_rt, NULL);
-    timer_mod(icount_rt_timer,
-                   qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL_RT) + 1000);
-    icount_vm_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL,
-                                        icount_adjust_vm, NULL);
-    timer_mod(icount_vm_timer,
-                   qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
-                   NANOSECONDS_PER_SECOND / 10);
-}
-
-/***********************************************************/
-void hw_error(const char *fmt, ...)
-{
-    va_list ap;
-    CPUState *cpu;
-
-    va_start(ap, fmt);
-    fprintf(stderr, "qemu: hardware error: ");
-    vfprintf(stderr, fmt, ap);
-    fprintf(stderr, "\n");
-    CPU_FOREACH(cpu) {
-        fprintf(stderr, "CPU #%d:\n", cpu->cpu_index);
-        cpu_dump_state(cpu, stderr, fprintf, CPU_DUMP_FPU);
-    }
-    va_end(ap);
-    abort();
-}
-
-void cpu_synchronize_all_states(void)
-{
-    CPUState *cpu;
-
-    CPU_FOREACH(cpu) {
-        cpu_synchronize_state(cpu);
-    }
-}
-
-void cpu_synchronize_all_post_reset(void)
-{
-    CPUState *cpu;
-
-    CPU_FOREACH(cpu) {
-        cpu_synchronize_post_reset(cpu);
-    }
-}
-
-void cpu_synchronize_all_post_init(void)
-{
-    CPUState *cpu;
-
-    CPU_FOREACH(cpu) {
-        cpu_synchronize_post_init(cpu);
-    }
-}
-
-static int do_vm_stop(RunState state)
-{
-    int ret = 0;
-
-    if (runstate_is_running()) {
-        cpu_disable_ticks();
-        pause_all_vcpus();
-        runstate_set(state);
-        vm_state_notify(0, state);
-        qapi_event_send_stop(&error_abort);
-    }
-
-    bdrv_drain_all();
-    ret = blk_flush_all();
-
-    return ret;
-}
-
-static bool cpu_can_run(CPUState *cpu)
-{
-    if (cpu->stop) {
-        return false;
-    }
-    if (cpu_is_stopped(cpu)) {
-        return false;
-    }
-    return true;
-}
-
-static void cpu_handle_guest_debug(CPUState *cpu)
-{
-    gdb_set_stop_cpu(cpu);
-    qemu_system_debug_request();
-    cpu->stopped = true;
-}
-
-#ifdef CONFIG_LINUX
-static void sigbus_reraise(void)
-{
-    sigset_t set;
-    struct sigaction action;
-
-    memset(&action, 0, sizeof(action));
-    action.sa_handler = SIG_DFL;
-    if (!sigaction(SIGBUS, &action, NULL)) {
-        raise(SIGBUS);
-        sigemptyset(&set);
-        sigaddset(&set, SIGBUS);
-        sigprocmask(SIG_UNBLOCK, &set, NULL);
-    }
-    perror("Failed to re-raise SIGBUS!\n");
-    abort();
-}
-
-static void sigbus_handler(int n, struct qemu_signalfd_siginfo *siginfo,
-                           void *ctx)
-{
-    if (kvm_on_sigbus(siginfo->ssi_code,
-                      (void *)(intptr_t)siginfo->ssi_addr)) {
-        sigbus_reraise();
-    }
-}
-
-static void qemu_init_sigbus(void)
-{
-    struct sigaction action;
-
-    memset(&action, 0, sizeof(action));
-    action.sa_flags = SA_SIGINFO;
-    action.sa_sigaction = (void (*)(int, siginfo_t*, void*))sigbus_handler;
-    sigaction(SIGBUS, &action, NULL);
-
-    prctl(PR_MCE_KILL, PR_MCE_KILL_SET, PR_MCE_KILL_EARLY, 0, 0);
-}
-
-static void qemu_kvm_eat_signals(CPUState *cpu)
-{
-    struct timespec ts = { 0, 0 };
-    siginfo_t siginfo;
-    sigset_t waitset;
-    sigset_t chkset;
-    int r;
-
-    sigemptyset(&waitset);
-    sigaddset(&waitset, SIG_IPI);
-    sigaddset(&waitset, SIGBUS);
-
-    do {
-        r = sigtimedwait(&waitset, &siginfo, &ts);
-        if (r == -1 && !(errno == EAGAIN || errno == EINTR)) {
-            perror("sigtimedwait");
-            exit(1);
-        }
-
-        switch (r) {
-        case SIGBUS:
-            if (kvm_on_sigbus_vcpu(cpu, siginfo.si_code, siginfo.si_addr)) {
-                sigbus_reraise();
-            }
-            break;
-        default:
-            break;
-        }
-
-        r = sigpending(&chkset);
-        if (r == -1) {
-            perror("sigpending");
-            exit(1);
-        }
-    } while (sigismember(&chkset, SIG_IPI) || sigismember(&chkset, SIGBUS));
-}
-
-#else /* !CONFIG_LINUX */
-
-static void qemu_init_sigbus(void)
-{
-}
-
-static void qemu_kvm_eat_signals(CPUState *cpu)
-{
-}
-#endif /* !CONFIG_LINUX */
-
-#ifndef _WIN32
-static void dummy_signal(int sig)
-{
-}
-
-static void qemu_kvm_init_cpu_signals(CPUState *cpu)
-{
-    int r;
-    sigset_t set;
-    struct sigaction sigact;
-
-    memset(&sigact, 0, sizeof(sigact));
-    sigact.sa_handler = dummy_signal;
-    sigaction(SIG_IPI, &sigact, NULL);
-
-    pthread_sigmask(SIG_BLOCK, NULL, &set);
-    sigdelset(&set, SIG_IPI);
-    sigdelset(&set, SIGBUS);
-    r = kvm_set_signal_mask(cpu, &set);
-    if (r) {
-        fprintf(stderr, "kvm_set_signal_mask: %s\n", strerror(-r));
-        exit(1);
-    }
-}
-
-#else /* _WIN32 */
-static void qemu_kvm_init_cpu_signals(CPUState *cpu)
-{
-    abort();
-}
-#endif /* _WIN32 */
-
-static QemuMutex qemu_global_mutex;
-static QemuCond qemu_io_proceeded_cond;
-static unsigned iothread_requesting_mutex;
-
-static QemuThread io_thread;
-
-/* cpu creation */
-static QemuCond qemu_cpu_cond;
-/* system init */
-static QemuCond qemu_pause_cond;
-static QemuCond qemu_work_cond;
-
-void qemu_init_cpu_loop(void)
-{
-    qemu_init_sigbus();
-    qemu_cond_init(&qemu_cpu_cond);
-    qemu_cond_init(&qemu_pause_cond);
-    qemu_cond_init(&qemu_work_cond);
-    qemu_cond_init(&qemu_io_proceeded_cond);
-    qemu_mutex_init(&qemu_global_mutex);
-
-    qemu_thread_get_self(&io_thread);
-}
-
-void run_on_cpu(CPUState *cpu, void (*func)(void *data), void *data)
-{
-    struct qemu_work_item wi;
-
-    if (qemu_cpu_is_self(cpu)) {
-        func(data);
-        return;
-    }
-
-    wi.func = func;
-    wi.data = data;
-    wi.free = false;
-
-    qemu_mutex_lock(&cpu->work_mutex);
-    if (cpu->queued_work_first == NULL) {
-        cpu->queued_work_first = &wi;
-    } else {
-        cpu->queued_work_last->next = &wi;
-    }
-    cpu->queued_work_last = &wi;
-    wi.next = NULL;
-    wi.done = false;
-    qemu_mutex_unlock(&cpu->work_mutex);
-
-    qemu_cpu_kick(cpu);
-    while (!atomic_mb_read(&wi.done)) {
-        CPUState *self_cpu = current_cpu;
-
-        qemu_cond_wait(&qemu_work_cond, &qemu_global_mutex);
-        current_cpu = self_cpu;
-    }
-}
-
-void async_run_on_cpu(CPUState *cpu, void (*func)(void *data), void *data)
-{
-    struct qemu_work_item *wi;
-
-    if (qemu_cpu_is_self(cpu)) {
-        func(data);
-        return;
-    }
-
-    wi = g_malloc0(sizeof(struct qemu_work_item));
-    wi->func = func;
-    wi->data = data;
-    wi->free = true;
-
-    qemu_mutex_lock(&cpu->work_mutex);
-    if (cpu->queued_work_first == NULL) {
-        cpu->queued_work_first = wi;
-    } else {
-        cpu->queued_work_last->next = wi;
-    }
-    cpu->queued_work_last = wi;
-    wi->next = NULL;
-    wi->done = false;
-    qemu_mutex_unlock(&cpu->work_mutex);
-
-    qemu_cpu_kick(cpu);
-}
-
-static void flush_queued_work(CPUState *cpu)
-{
-    struct qemu_work_item *wi;
-
-    if (cpu->queued_work_first == NULL) {
-        return;
-    }
-
-    qemu_mutex_lock(&cpu->work_mutex);
-    while (cpu->queued_work_first != NULL) {
-        wi = cpu->queued_work_first;
-        cpu->queued_work_first = wi->next;
-        if (!cpu->queued_work_first) {
-            cpu->queued_work_last = NULL;
-        }
-        qemu_mutex_unlock(&cpu->work_mutex);
-        wi->func(wi->data);
-        qemu_mutex_lock(&cpu->work_mutex);
-        if (wi->free) {
-            g_free(wi);
-        } else {
-            atomic_mb_set(&wi->done, true);
-        }
-    }
-    qemu_mutex_unlock(&cpu->work_mutex);
-    qemu_cond_broadcast(&qemu_work_cond);
-}
-
-static void qemu_wait_io_event_common(CPUState *cpu)
-{
-    if (cpu->stop) {
-        cpu->stop = false;
-        cpu->stopped = true;
-        qemu_cond_broadcast(&qemu_pause_cond);
-    }
-    flush_queued_work(cpu);
-    cpu->thread_kicked = false;
-}
-
-static void qemu_tcg_wait_io_event(CPUState *cpu)
-{
-    while (all_cpu_threads_idle()) {
-        qemu_cond_wait(cpu->halt_cond, &qemu_global_mutex);
-    }
-
-    while (iothread_requesting_mutex) {
-        qemu_cond_wait(&qemu_io_proceeded_cond, &qemu_global_mutex);
-    }
-
-    CPU_FOREACH(cpu) {
-        qemu_wait_io_event_common(cpu);
-    }
-}
-
-static void qemu_kvm_wait_io_event(CPUState *cpu)
-{
-    while (cpu_thread_is_idle(cpu)) {
-        qemu_cond_wait(cpu->halt_cond, &qemu_global_mutex);
-    }
-
-    qemu_kvm_eat_signals(cpu);
-    qemu_wait_io_event_common(cpu);
-}
-
-static void *qemu_kvm_cpu_thread_fn(void *arg)
-{
-    CPUState *cpu = arg;
-    int r;
-
-    rcu_register_thread();
-
-    qemu_mutex_lock_iothread();
-    qemu_thread_get_self(cpu->thread);
-    cpu->thread_id = qemu_get_thread_id();
-    cpu->can_do_io = 1;
-    current_cpu = cpu;
-
-    r = kvm_init_vcpu(cpu);
-    if (r < 0) {
-        fprintf(stderr, "kvm_init_vcpu failed: %s\n", strerror(-r));
-        exit(1);
-    }
-
-    qemu_kvm_init_cpu_signals(cpu);
-
-    /* signal CPU creation */
-    cpu->created = true;
-    qemu_cond_signal(&qemu_cpu_cond);
-
-    while (1) {
-        if (cpu_can_run(cpu)) {
-            r = kvm_cpu_exec(cpu);
-            if (r == EXCP_DEBUG) {
-                cpu_handle_guest_debug(cpu);
-            }
-        }
-        qemu_kvm_wait_io_event(cpu);
-    }
-
-    return NULL;
-}
-
-static void *qemu_dummy_cpu_thread_fn(void *arg)
-{
-#ifdef _WIN32
-    fprintf(stderr, "qtest is not supported under Windows\n");
-    exit(1);
-#else
-    CPUState *cpu = arg;
-    sigset_t waitset;
-    int r;
-
-    rcu_register_thread();
-
-    qemu_mutex_lock_iothread();
-    qemu_thread_get_self(cpu->thread);
-    cpu->thread_id = qemu_get_thread_id();
-    cpu->can_do_io = 1;
-
-    sigemptyset(&waitset);
-    sigaddset(&waitset, SIG_IPI);
-
-    /* signal CPU creation */
-    cpu->created = true;
-    qemu_cond_signal(&qemu_cpu_cond);
-
-    current_cpu = cpu;
-    while (1) {
-        current_cpu = NULL;
-        qemu_mutex_unlock_iothread();
-        do {
-            int sig;
-            r = sigwait(&waitset, &sig);
-        } while (r == -1 && (errno == EAGAIN || errno == EINTR));
-        if (r == -1) {
-            perror("sigwait");
-            exit(1);
-        }
-        qemu_mutex_lock_iothread();
-        current_cpu = cpu;
-        qemu_wait_io_event_common(cpu);
-    }
-
-    return NULL;
-#endif
-}
-
-static void tcg_exec_all(void);
-
-static void *qemu_tcg_cpu_thread_fn(void *arg)
-{
-    CPUState *cpu = arg;
-
-    rcu_register_thread();
-
-    qemu_mutex_lock_iothread();
-    qemu_thread_get_self(cpu->thread);
-
-    CPU_FOREACH(cpu) {
-        cpu->thread_id = qemu_get_thread_id();
-        cpu->created = true;
-        cpu->can_do_io = 1;
-    }
-    qemu_cond_signal(&qemu_cpu_cond);
-
-    /* wait for initial kick-off after machine start */
-    while (first_cpu->stopped) {
-        qemu_cond_wait(first_cpu->halt_cond, &qemu_global_mutex);
-
-        /* process any pending work */
-        CPU_FOREACH(cpu) {
-            qemu_wait_io_event_common(cpu);
-        }
-    }
-
-    /* process any pending work */
-    atomic_mb_set(&exit_request, 1);
-
-    while (1) {
-        tcg_exec_all();
-
-        if (use_icount) {
-            int64_t deadline = qemu_clock_deadline_ns_all(QEMU_CLOCK_VIRTUAL);
-
-            if (deadline == 0) {
-                qemu_clock_notify(QEMU_CLOCK_VIRTUAL);
-            }
-        }
-        qemu_tcg_wait_io_event(QTAILQ_FIRST(&cpus));
-    }
-
-    return NULL;
-}
-
-static void qemu_cpu_kick_thread(CPUState *cpu)
-{
-#ifndef _WIN32
-    int err;
-
-    if (cpu->thread_kicked) {
-        return;
-    }
-    cpu->thread_kicked = true;
-    err = pthread_kill(cpu->thread->thread, SIG_IPI);
-    if (err) {
-        fprintf(stderr, "qemu:%s: %s", __func__, strerror(err));
-        exit(1);
-    }
-#else /* _WIN32 */
-    abort();
-#endif
-}
-
-static void qemu_cpu_kick_no_halt(void)
-{
-    CPUState *cpu;
-    /* Ensure whatever caused the exit has reached the CPU threads before
-     * writing exit_request.
-     */
-    atomic_mb_set(&exit_request, 1);
-    cpu = atomic_mb_read(&tcg_current_cpu);
-    if (cpu) {
-        cpu_exit(cpu);
-    }
-}
-
-void qemu_cpu_kick(CPUState *cpu)
-{
-    qemu_cond_broadcast(cpu->halt_cond);
-    if (tcg_enabled()) {
-        qemu_cpu_kick_no_halt();
-    } else {
-        qemu_cpu_kick_thread(cpu);
-    }
-}
-
-void qemu_cpu_kick_self(void)
-{
-    assert(current_cpu);
-    qemu_cpu_kick_thread(current_cpu);
-}
-
-bool qemu_cpu_is_self(CPUState *cpu)
-{
-    return qemu_thread_is_self(cpu->thread);
-}
-
-bool qemu_in_vcpu_thread(void)
-{
-    return current_cpu && qemu_cpu_is_self(current_cpu);
-}
-
-static __thread bool iothread_locked = false;
-
-bool qemu_mutex_iothread_locked(void)
-{
-    return iothread_locked;
-}
-
-void qemu_mutex_lock_iothread(void)
-{
-    atomic_inc(&iothread_requesting_mutex);
-    /* In the simple case there is no need to bump the VCPU thread out of
-     * TCG code execution.
-     */
-    if (!tcg_enabled() || qemu_in_vcpu_thread() ||
-        !first_cpu || !first_cpu->created) {
-        qemu_mutex_lock(&qemu_global_mutex);
-        atomic_dec(&iothread_requesting_mutex);
-    } else {
-        if (qemu_mutex_trylock(&qemu_global_mutex)) {
-            qemu_cpu_kick_no_halt();
-            qemu_mutex_lock(&qemu_global_mutex);
-        }
-        atomic_dec(&iothread_requesting_mutex);
-        qemu_cond_broadcast(&qemu_io_proceeded_cond);
-    }
-    iothread_locked = true;
-}
-
-void qemu_mutex_unlock_iothread(void)
-{
-    iothread_locked = false;
-    qemu_mutex_unlock(&qemu_global_mutex);
-}
-
-static int all_vcpus_paused(void)
-{
-    CPUState *cpu;
-
-    CPU_FOREACH(cpu) {
-        if (!cpu->stopped) {
-            return 0;
-        }
-    }
-
-    return 1;
-}
-
-void pause_all_vcpus(void)
-{
-    CPUState *cpu;
-
-    qemu_clock_enable(QEMU_CLOCK_VIRTUAL, false);
-    CPU_FOREACH(cpu) {
-        cpu->stop = true;
-        qemu_cpu_kick(cpu);
-    }
-
-    if (qemu_in_vcpu_thread()) {
-        cpu_stop_current();
-        if (!kvm_enabled()) {
-            CPU_FOREACH(cpu) {
-                cpu->stop = false;
-                cpu->stopped = true;
-            }
-            return;
-        }
-    }
-
-    while (!all_vcpus_paused()) {
-        qemu_cond_wait(&qemu_pause_cond, &qemu_global_mutex);
-        CPU_FOREACH(cpu) {
-            qemu_cpu_kick(cpu);
-        }
-    }
-}
-
-void cpu_resume(CPUState *cpu)
-{
-    cpu->stop = false;
-    cpu->stopped = false;
-    qemu_cpu_kick(cpu);
-}
-
-void resume_all_vcpus(void)
-{
-    CPUState *cpu;
-
-    qemu_clock_enable(QEMU_CLOCK_VIRTUAL, true);
-    CPU_FOREACH(cpu) {
-        cpu_resume(cpu);
-    }
-}
-
-/* For temporary buffers for forming a name */
-#define VCPU_THREAD_NAME_SIZE 16
-
-static void qemu_tcg_init_vcpu(CPUState *cpu)
-{
-    char thread_name[VCPU_THREAD_NAME_SIZE];
-    static QemuCond *tcg_halt_cond;
-    static QemuThread *tcg_cpu_thread;
-
-    /* share a single thread for all cpus with TCG */
-    if (!tcg_cpu_thread) {
-        cpu->thread = g_malloc0(sizeof(QemuThread));
-        cpu->halt_cond = g_malloc0(sizeof(QemuCond));
-        qemu_cond_init(cpu->halt_cond);
-        tcg_halt_cond = cpu->halt_cond;
-        snprintf(thread_name, VCPU_THREAD_NAME_SIZE, "CPU %d/TCG",
-                 cpu->cpu_index);
-        qemu_thread_create(cpu->thread, thread_name, qemu_tcg_cpu_thread_fn,
-                           cpu, QEMU_THREAD_JOINABLE);
-#ifdef _WIN32
-        cpu->hThread = qemu_thread_get_handle(cpu->thread);
-#endif
-        while (!cpu->created) {
-            qemu_cond_wait(&qemu_cpu_cond, &qemu_global_mutex);
-        }
-        tcg_cpu_thread = cpu->thread;
-    } else {
-        cpu->thread = tcg_cpu_thread;
-        cpu->halt_cond = tcg_halt_cond;
-    }
-}
-
-static void qemu_kvm_start_vcpu(CPUState *cpu)
-{
-    char thread_name[VCPU_THREAD_NAME_SIZE];
-
-    cpu->thread = g_malloc0(sizeof(QemuThread));
-    cpu->halt_cond = g_malloc0(sizeof(QemuCond));
-    qemu_cond_init(cpu->halt_cond);
-    snprintf(thread_name, VCPU_THREAD_NAME_SIZE, "CPU %d/KVM",
-             cpu->cpu_index);
-    qemu_thread_create(cpu->thread, thread_name, qemu_kvm_cpu_thread_fn,
-                       cpu, QEMU_THREAD_JOINABLE);
-    while (!cpu->created) {
-        qemu_cond_wait(&qemu_cpu_cond, &qemu_global_mutex);
-    }
-}
-
-static void qemu_dummy_start_vcpu(CPUState *cpu)
-{
-    char thread_name[VCPU_THREAD_NAME_SIZE];
-
-    cpu->thread = g_malloc0(sizeof(QemuThread));
-    cpu->halt_cond = g_malloc0(sizeof(QemuCond));
-    qemu_cond_init(cpu->halt_cond);
-    snprintf(thread_name, VCPU_THREAD_NAME_SIZE, "CPU %d/DUMMY",
-             cpu->cpu_index);
-    qemu_thread_create(cpu->thread, thread_name, qemu_dummy_cpu_thread_fn, cpu,
-                       QEMU_THREAD_JOINABLE);
-    while (!cpu->created) {
-        qemu_cond_wait(&qemu_cpu_cond, &qemu_global_mutex);
-    }
-}
-
-void qemu_init_vcpu(CPUState *cpu)
-{
-    cpu->nr_cores = smp_cores;
-    cpu->nr_threads = smp_threads;
-    cpu->stopped = true;
-
-    if (!cpu->as) {
-        /* If the target cpu hasn't set up any address spaces itself,
-         * give it the default one.
-         */
-        AddressSpace *as = address_space_init_shareable(cpu->memory,
-                                                        "cpu-memory");
-        cpu->num_ases = 1;
-        cpu_address_space_init(cpu, as, 0);
-    }
-
-    if (kvm_enabled()) {
-        qemu_kvm_start_vcpu(cpu);
-    } else if (tcg_enabled()) {
-        qemu_tcg_init_vcpu(cpu);
-    } else {
-        qemu_dummy_start_vcpu(cpu);
-    }
-}
-
-void cpu_stop_current(void)
-{
-    if (current_cpu) {
-        current_cpu->stop = false;
-        current_cpu->stopped = true;
-        cpu_exit(current_cpu);
-        qemu_cond_broadcast(&qemu_pause_cond);
-    }
-}
-
-int vm_stop(RunState state)
-{
-    if (qemu_in_vcpu_thread()) {
-        qemu_system_vmstop_request_prepare();
-        qemu_system_vmstop_request(state);
-        /*
-         * FIXME: should not return to device code in case
-         * vm_stop() has been requested.
-         */
-        cpu_stop_current();
-        return 0;
-    }
-
-    return do_vm_stop(state);
-}
-
-/* does a state transition even if the VM is already stopped,
-   current state is forgotten forever */
-int vm_stop_force_state(RunState state)
-{
-    if (runstate_is_running()) {
-        return vm_stop(state);
-    } else {
-        runstate_set(state);
-
-        bdrv_drain_all();
-        /* Make sure to return an error if the flush in a previous vm_stop()
-         * failed. */
-        return blk_flush_all();
-    }
-}
-
-static int64_t tcg_get_icount_limit(void)
-{
-    int64_t deadline;
-
-    if (replay_mode != REPLAY_MODE_PLAY) {
-        deadline = qemu_clock_deadline_ns_all(QEMU_CLOCK_VIRTUAL);
-
-        /* Maintain prior (possibly buggy) behaviour where if no deadline
-         * was set (as there is no QEMU_CLOCK_VIRTUAL timer) or it is more than
-         * INT32_MAX nanoseconds ahead, we still use INT32_MAX
-         * nanoseconds.
-         */
-        if ((deadline < 0) || (deadline > INT32_MAX)) {
-            deadline = INT32_MAX;
-        }
-
-        return qemu_icount_round(deadline);
-    } else {
-        return replay_get_instructions();
-    }
-}
-
-static int tcg_cpu_exec(CPUState *cpu)
-{
-    int ret;
-#ifdef CONFIG_PROFILER
-    int64_t ti;
-#endif
-
-#ifdef CONFIG_PROFILER
-    ti = profile_getclock();
-#endif
-    if (use_icount) {
-        int64_t count;
-        int decr;
-        timers_state.qemu_icount -= (cpu->icount_decr.u16.low
-                                    + cpu->icount_extra);
-        cpu->icount_decr.u16.low = 0;
-        cpu->icount_extra = 0;
-        count = tcg_get_icount_limit();
-        timers_state.qemu_icount += count;
-        decr = (count > 0xffff) ? 0xffff : count;
-        count -= decr;
-        cpu->icount_decr.u16.low = decr;
-        cpu->icount_extra = count;
-    }
-    ret = cpu_exec(cpu);
-#ifdef CONFIG_PROFILER
-    tcg_time += profile_getclock() - ti;
-#endif
-    if (use_icount) {
-        /* Fold pending instructions back into the
-           instruction counter, and clear the interrupt flag.  */
-        timers_state.qemu_icount -= (cpu->icount_decr.u16.low
-                        + cpu->icount_extra);
-        cpu->icount_decr.u32 = 0;
-        cpu->icount_extra = 0;
-        replay_account_executed_instructions();
-    }
-    return ret;
-}
-
-static void tcg_exec_all(void)
-{
-    int r;
-
-    /* Account partial waits to QEMU_CLOCK_VIRTUAL.  */
-    qemu_account_warp_timer();
-
-    if (next_cpu == NULL) {
-        next_cpu = first_cpu;
-    }
-    for (; next_cpu != NULL && !exit_request; next_cpu = CPU_NEXT(next_cpu)) {
-        CPUState *cpu = next_cpu;
-
-        qemu_clock_enable(QEMU_CLOCK_VIRTUAL,
-                          (cpu->singlestep_enabled & SSTEP_NOTIMER) == 0);
-
-        if (cpu_can_run(cpu)) {
-            r = tcg_cpu_exec(cpu);
-            if (r == EXCP_DEBUG) {
-                cpu_handle_guest_debug(cpu);
-                break;
-            }
-        } else if (cpu->stop || cpu->stopped) {
-            break;
-        }
-    }
-
-    /* Pairs with smp_wmb in qemu_cpu_kick.  */
-    atomic_mb_set(&exit_request, 0);
-}
-
-void list_cpus(FILE *f, fprintf_function cpu_fprintf, const char *optarg)
-{
-    /* XXX: implement xxx_cpu_list for targets that still miss it */
-#if defined(cpu_list)
-    cpu_list(f, cpu_fprintf);
-#endif
-}
-
-CpuInfoList *qmp_query_cpus(Error **errp)
-{
-    CpuInfoList *head = NULL, *cur_item = NULL;
-    CPUState *cpu;
-
-    CPU_FOREACH(cpu) {
-        CpuInfoList *info;
-#if defined(TARGET_I386)
-        X86CPU *x86_cpu = X86_CPU(cpu);
-        CPUX86State *env = &x86_cpu->env;
-#elif defined(TARGET_PPC)
-        PowerPCCPU *ppc_cpu = POWERPC_CPU(cpu);
-        CPUPPCState *env = &ppc_cpu->env;
-#elif defined(TARGET_SPARC)
-        SPARCCPU *sparc_cpu = SPARC_CPU(cpu);
-        CPUSPARCState *env = &sparc_cpu->env;
-#elif defined(TARGET_MIPS)
-        MIPSCPU *mips_cpu = MIPS_CPU(cpu);
-        CPUMIPSState *env = &mips_cpu->env;
-#elif defined(TARGET_TRICORE)
-        TriCoreCPU *tricore_cpu = TRICORE_CPU(cpu);
-        CPUTriCoreState *env = &tricore_cpu->env;
-#endif
-
-        cpu_synchronize_state(cpu);
-
-        info = g_malloc0(sizeof(*info));
-        info->value = g_malloc0(sizeof(*info->value));
-        info->value->CPU = cpu->cpu_index;
-        info->value->current = (cpu == first_cpu);
-        info->value->halted = cpu->halted;
-        info->value->qom_path = object_get_canonical_path(OBJECT(cpu));
-        info->value->thread_id = cpu->thread_id;
-#if defined(TARGET_I386)
-        info->value->arch = CPU_INFO_ARCH_X86;
-        info->value->u.x86.pc = env->eip + env->segs[R_CS].base;
-#elif defined(TARGET_PPC)
-        info->value->arch = CPU_INFO_ARCH_PPC;
-        info->value->u.ppc.nip = env->nip;
-#elif defined(TARGET_SPARC)
-        info->value->arch = CPU_INFO_ARCH_SPARC;
-        info->value->u.q_sparc.pc = env->pc;
-        info->value->u.q_sparc.npc = env->npc;
-#elif defined(TARGET_MIPS)
-        info->value->arch = CPU_INFO_ARCH_MIPS;
-        info->value->u.q_mips.PC = env->active_tc.PC;
-#elif defined(TARGET_TRICORE)
-        info->value->arch = CPU_INFO_ARCH_TRICORE;
-        info->value->u.tricore.PC = env->PC;
-#else
-        info->value->arch = CPU_INFO_ARCH_OTHER;
-#endif
-
-        /* XXX: waiting for the qapi to support GSList */
-        if (!cur_item) {
-            head = cur_item = info;
-        } else {
-            cur_item->next = info;
-            cur_item = info;
-        }
-    }
-
-    return head;
-}
-
-void qmp_memsave(int64_t addr, int64_t size, const char *filename,
-                 bool has_cpu, int64_t cpu_index, Error **errp)
-{
-    FILE *f;
-    uint32_t l;
-    CPUState *cpu;
-    uint8_t buf[1024];
-    int64_t orig_addr = addr, orig_size = size;
-
-    if (!has_cpu) {
-        cpu_index = 0;
-    }
-
-    cpu = qemu_get_cpu(cpu_index);
-    if (cpu == NULL) {
-        error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "cpu-index",
-                   "a CPU number");
-        return;
-    }
-
-    f = fopen(filename, "wb");
-    if (!f) {
-        error_setg_file_open(errp, errno, filename);
-        return;
-    }
-
-    while (size != 0) {
-        l = sizeof(buf);
-        if (l > size)
-            l = size;
-        if (cpu_memory_rw_debug(cpu, addr, buf, l, 0) != 0) {
-            error_setg(errp, "Invalid addr 0x%016" PRIx64 "/size %" PRId64
-                             " specified", orig_addr, orig_size);
-            goto exit;
-        }
-        if (fwrite(buf, 1, l, f) != l) {
-            error_setg(errp, QERR_IO_ERROR);
-            goto exit;
-        }
-        addr += l;
-        size -= l;
-    }
-
-exit:
-    fclose(f);
-}
-
-void qmp_pmemsave(int64_t addr, int64_t size, const char *filename,
-                  Error **errp)
-{
-    FILE *f;
-    uint32_t l;
-    uint8_t buf[1024];
-
-    f = fopen(filename, "wb");
-    if (!f) {
-        error_setg_file_open(errp, errno, filename);
-        return;
-    }
-
-    while (size != 0) {
-        l = sizeof(buf);
-        if (l > size)
-            l = size;
-        cpu_physical_memory_read(addr, buf, l);
-        if (fwrite(buf, 1, l, f) != l) {
-            error_setg(errp, QERR_IO_ERROR);
-            goto exit;
-        }
-        addr += l;
-        size -= l;
-    }
-
-exit:
-    fclose(f);
-}
-
-void qmp_inject_nmi(Error **errp)
-{
-#if defined(TARGET_I386)
-    CPUState *cs;
-
-    CPU_FOREACH(cs) {
-        X86CPU *cpu = X86_CPU(cs);
-
-        if (!cpu->apic_state) {
-            cpu_interrupt(cs, CPU_INTERRUPT_NMI);
-        } else {
-            apic_deliver_nmi(cpu->apic_state);
-        }
-    }
-#else
-    nmi_monitor_handle(monitor_get_cpu_index(), errp);
-#endif
-}
-
-void dump_drift_info(FILE *f, fprintf_function cpu_fprintf)
-{
-    if (!use_icount) {
-        return;
-    }
-
-    cpu_fprintf(f, "Host - Guest clock  %"PRIi64" ms\n",
-                (cpu_get_clock() - cpu_get_icount())/SCALE_MS);
-    if (icount_align_option) {
-        cpu_fprintf(f, "Max guest delay     %"PRIi64" ms\n", -max_delay/SCALE_MS);
-        cpu_fprintf(f, "Max guest advance   %"PRIi64" ms\n", max_advance/SCALE_MS);
-    } else {
-        cpu_fprintf(f, "Max guest delay     NA\n");
-        cpu_fprintf(f, "Max guest advance   NA\n");
-    }
-}