X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=cpus.c;h=d9c332fcb8b4744a1ca3b5fa220ba43e29b63b1a;hb=9a77a0f58923443913e1071ffb47b74c54566e70;hp=4a10775cb6150ab92ad09e97964a9fed90e44859;hpb=8e564b4ebf472095b7ca5692302c8a3883d99d91;p=qemu.git

diff --git a/cpus.c b/cpus.c
index 4a10775cb..d9c332fcb 100644
--- a/cpus.c
+++ b/cpus.c
@@ -34,7 +34,9 @@
 
 #include "qemu-thread.h"
 #include "cpus.h"
+#include "qtest.h"
 #include "main-loop.h"
+#include "bitmap.h"
 
 #ifndef _WIN32
 #include "compatfd.h"
@@ -58,7 +60,36 @@
 
 #endif /* CONFIG_LINUX */
 
-static CPUState *next_cpu;
+static CPUArchState *next_cpu;
+
+static bool cpu_thread_is_idle(CPUArchState *env)
+{
+    CPUState *cpu = ENV_GET_CPU(env);
+
+    if (cpu->stop || cpu->queued_work_first) {
+        return false;
+    }
+    if (cpu->stopped || !runstate_is_running()) {
+        return true;
+    }
+    if (!env->halted || qemu_cpu_has_work(cpu) ||
+        kvm_async_interrupts_enabled()) {
+        return false;
+    }
+    return true;
+}
+
+static bool all_cpu_threads_idle(void)
+{
+    CPUArchState *env;
+
+    for (env = first_cpu; env != NULL; env = env->next_cpu) {
+        if (!cpu_thread_is_idle(env)) {
+            return false;
+        }
+    }
+    return true;
+}
 
 /***********************************************************/
 /* guest cycle counter */
@@ -89,7 +120,7 @@ TimersState timers_state;
 int64_t cpu_get_icount(void)
 {
     int64_t icount;
-    CPUState *env = cpu_single_env;
+    CPUArchState *env = cpu_single_env;
 
     icount = qemu_icount;
     if (env) {
@@ -238,6 +269,20 @@ static void icount_warp_rt(void *opaque)
     vm_clock_warp_start = -1;
 }
 
+void qtest_clock_warp(int64_t dest)
+{
+    int64_t clock = qemu_get_clock_ns(vm_clock);
+    assert(qtest_enabled());
+    while (clock < dest) {
+        int64_t deadline = qemu_clock_deadline(vm_clock);
+        int64_t warp = MIN(dest - clock, deadline);
+        qemu_icount_bias += warp;
+        qemu_run_timers(vm_clock);
+        clock = qemu_get_clock_ns(vm_clock);
+    }
+    qemu_notify_event();
+}
+
 void qemu_clock_warp(QEMUClock *clock)
 {
     int64_t deadline;
@@ -264,6 +309,11 @@ void qemu_clock_warp(QEMUClock *clock)
         return;
     }
 
+    if (qtest_enabled()) {
+        /* When testing, qtest commands advance icount.  */
+	return;
+    }
+
     vm_clock_warp_start = qemu_get_clock_ns(rt_clock);
     deadline = qemu_clock_deadline(vm_clock);
     if (deadline > 0) {
@@ -339,7 +389,7 @@ void configure_icount(const char *option)
 void hw_error(const char *fmt, ...)
 {
     va_list ap;
-    CPUState *env;
+    CPUArchState *env;
 
     va_start(ap, fmt);
     fprintf(stderr, "qemu: hardware error: ");
@@ -347,11 +397,7 @@ void hw_error(const char *fmt, ...)
     fprintf(stderr, "\n");
     for(env = first_cpu; env != NULL; env = env->next_cpu) {
         fprintf(stderr, "CPU #%d:\n", env->cpu_index);
-#ifdef TARGET_I386
-        cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU);
-#else
-        cpu_dump_state(env, stderr, fprintf, 0);
-#endif
+        cpu_dump_state(env, stderr, fprintf, CPU_DUMP_FPU);
     }
     va_end(ap);
     abort();
@@ -359,7 +405,7 @@ void hw_error(const char *fmt, ...)
 
 void cpu_synchronize_all_states(void)
 {
-    CPUState *cpu;
+    CPUArchState *cpu;
 
     for (cpu = first_cpu; cpu; cpu = cpu->next_cpu) {
         cpu_synchronize_state(cpu);
@@ -368,7 +414,7 @@ void cpu_synchronize_all_states(void)
 
 void cpu_synchronize_all_post_reset(void)
 {
-    CPUState *cpu;
+    CPUArchState *cpu;
 
     for (cpu = first_cpu; cpu; cpu = cpu->next_cpu) {
         cpu_synchronize_post_reset(cpu);
@@ -377,16 +423,16 @@ void cpu_synchronize_all_post_reset(void)
 
 void cpu_synchronize_all_post_init(void)
 {
-    CPUState *cpu;
+    CPUArchState *cpu;
 
     for (cpu = first_cpu; cpu; cpu = cpu->next_cpu) {
         cpu_synchronize_post_init(cpu);
     }
 }
 
-int cpu_is_stopped(CPUState *env)
+bool cpu_is_stopped(CPUState *cpu)
 {
-    return !runstate_is_running() || env->stopped;
+    return !runstate_is_running() || cpu->stopped;
 }
 
 static void do_vm_stop(RunState state)
@@ -402,49 +448,24 @@ static void do_vm_stop(RunState state)
     }
 }
 
-static int cpu_can_run(CPUState *env)
-{
-    if (env->stop) {
-        return 0;
-    }
-    if (env->stopped || !runstate_is_running()) {
-        return 0;
-    }
-    return 1;
-}
-
-static bool cpu_thread_is_idle(CPUState *env)
+static bool cpu_can_run(CPUState *cpu)
 {
-    if (env->stop || env->queued_work_first) {
+    if (cpu->stop) {
         return false;
     }
-    if (env->stopped || !runstate_is_running()) {
-        return true;
-    }
-    if (!env->halted || qemu_cpu_has_work(env) ||
-        (kvm_enabled() && kvm_irqchip_in_kernel())) {
+    if (cpu->stopped || !runstate_is_running()) {
         return false;
     }
     return true;
 }
 
-bool all_cpu_threads_idle(void)
+static void cpu_handle_guest_debug(CPUArchState *env)
 {
-    CPUState *env;
+    CPUState *cpu = ENV_GET_CPU(env);
 
-    for (env = first_cpu; env != NULL; env = env->next_cpu) {
-        if (!cpu_thread_is_idle(env)) {
-            return false;
-        }
-    }
-    return true;
-}
-
-static void cpu_handle_guest_debug(CPUState *env)
-{
     gdb_set_stop_cpu(env);
     qemu_system_debug_request();
-    env->stopped = 1;
+    cpu->stopped = true;
 }
 
 static void cpu_signal(int sig)
@@ -494,7 +515,7 @@ static void qemu_init_sigbus(void)
     prctl(PR_MCE_KILL, PR_MCE_KILL_SET, PR_MCE_KILL_EARLY, 0, 0);
 }
 
-static void qemu_kvm_eat_signals(CPUState *env)
+static void qemu_kvm_eat_signals(CPUArchState *env)
 {
     struct timespec ts = { 0, 0 };
     siginfo_t siginfo;
@@ -537,7 +558,7 @@ static void qemu_init_sigbus(void)
 {
 }
 
-static void qemu_kvm_eat_signals(CPUState *env)
+static void qemu_kvm_eat_signals(CPUArchState *env)
 {
 }
 #endif /* !CONFIG_LINUX */
@@ -547,7 +568,7 @@ static void dummy_signal(int sig)
 {
 }
 
-static void qemu_kvm_init_cpu_signals(CPUState *env)
+static void qemu_kvm_init_cpu_signals(CPUArchState *env)
 {
     int r;
     sigset_t set;
@@ -582,7 +603,7 @@ static void qemu_tcg_init_cpu_signals(void)
 }
 
 #else /* _WIN32 */
-static void qemu_kvm_init_cpu_signals(CPUState *env)
+static void qemu_kvm_init_cpu_signals(CPUArchState *env)
 {
     abort();
 }
@@ -592,7 +613,7 @@ static void qemu_tcg_init_cpu_signals(void)
 }
 #endif /* _WIN32 */
 
-QemuMutex qemu_global_mutex;
+static QemuMutex qemu_global_mutex;
 static QemuCond qemu_io_proceeded_cond;
 static bool iothread_requesting_mutex;
 
@@ -619,66 +640,66 @@ void qemu_init_cpu_loop(void)
     qemu_thread_get_self(&io_thread);
 }
 
-void run_on_cpu(CPUState *env, void (*func)(void *data), void *data)
+void run_on_cpu(CPUState *cpu, void (*func)(void *data), void *data)
 {
     struct qemu_work_item wi;
 
-    if (qemu_cpu_is_self(env)) {
+    if (qemu_cpu_is_self(cpu)) {
         func(data);
         return;
     }
 
     wi.func = func;
     wi.data = data;
-    if (!env->queued_work_first) {
-        env->queued_work_first = &wi;
+    if (cpu->queued_work_first == NULL) {
+        cpu->queued_work_first = &wi;
     } else {
-        env->queued_work_last->next = &wi;
+        cpu->queued_work_last->next = &wi;
     }
-    env->queued_work_last = &wi;
+    cpu->queued_work_last = &wi;
     wi.next = NULL;
     wi.done = false;
 
-    qemu_cpu_kick(env);
+    qemu_cpu_kick(cpu);
     while (!wi.done) {
-        CPUState *self_env = cpu_single_env;
+        CPUArchState *self_env = cpu_single_env;
 
         qemu_cond_wait(&qemu_work_cond, &qemu_global_mutex);
         cpu_single_env = self_env;
     }
 }
 
-static void flush_queued_work(CPUState *env)
+static void flush_queued_work(CPUState *cpu)
 {
     struct qemu_work_item *wi;
 
-    if (!env->queued_work_first) {
+    if (cpu->queued_work_first == NULL) {
         return;
     }
 
-    while ((wi = env->queued_work_first)) {
-        env->queued_work_first = wi->next;
+    while ((wi = cpu->queued_work_first)) {
+        cpu->queued_work_first = wi->next;
         wi->func(wi->data);
         wi->done = true;
     }
-    env->queued_work_last = NULL;
+    cpu->queued_work_last = NULL;
     qemu_cond_broadcast(&qemu_work_cond);
 }
 
-static void qemu_wait_io_event_common(CPUState *env)
+static void qemu_wait_io_event_common(CPUState *cpu)
 {
-    if (env->stop) {
-        env->stop = 0;
-        env->stopped = 1;
+    if (cpu->stop) {
+        cpu->stop = false;
+        cpu->stopped = true;
         qemu_cond_signal(&qemu_pause_cond);
     }
-    flush_queued_work(env);
-    env->thread_kicked = false;
+    flush_queued_work(cpu);
+    cpu->thread_kicked = false;
 }
 
 static void qemu_tcg_wait_io_event(void)
 {
-    CPUState *env;
+    CPUArchState *env;
 
     while (all_cpu_threads_idle()) {
        /* Start accounting real time to the virtual clock if the CPUs
@@ -692,28 +713,31 @@ static void qemu_tcg_wait_io_event(void)
     }
 
     for (env = first_cpu; env != NULL; env = env->next_cpu) {
-        qemu_wait_io_event_common(env);
+        qemu_wait_io_event_common(ENV_GET_CPU(env));
     }
 }
 
-static void qemu_kvm_wait_io_event(CPUState *env)
+static void qemu_kvm_wait_io_event(CPUArchState *env)
 {
+    CPUState *cpu = ENV_GET_CPU(env);
+
     while (cpu_thread_is_idle(env)) {
-        qemu_cond_wait(env->halt_cond, &qemu_global_mutex);
+        qemu_cond_wait(cpu->halt_cond, &qemu_global_mutex);
     }
 
     qemu_kvm_eat_signals(env);
-    qemu_wait_io_event_common(env);
+    qemu_wait_io_event_common(cpu);
 }
 
 static void *qemu_kvm_cpu_thread_fn(void *arg)
 {
-    CPUState *env = arg;
+    CPUArchState *env = arg;
+    CPUState *cpu = ENV_GET_CPU(env);
     int r;
 
     qemu_mutex_lock(&qemu_global_mutex);
-    qemu_thread_get_self(env->thread);
-    env->thread_id = qemu_get_thread_id();
+    qemu_thread_get_self(cpu->thread);
+    cpu->thread_id = qemu_get_thread_id();
     cpu_single_env = env;
 
     r = kvm_init_vcpu(env);
@@ -725,11 +749,11 @@ static void *qemu_kvm_cpu_thread_fn(void *arg)
     qemu_kvm_init_cpu_signals(env);
 
     /* signal CPU creation */
-    env->created = 1;
+    cpu->created = true;
     qemu_cond_signal(&qemu_cpu_cond);
 
     while (1) {
-        if (cpu_can_run(env)) {
+        if (cpu_can_run(cpu)) {
             r = kvm_cpu_exec(env);
             if (r == EXCP_DEBUG) {
                 cpu_handle_guest_debug(env);
@@ -741,30 +765,75 @@ static void *qemu_kvm_cpu_thread_fn(void *arg)
     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
+    CPUArchState *env = arg;
+    CPUState *cpu = ENV_GET_CPU(env);
+    sigset_t waitset;
+    int r;
+
+    qemu_mutex_lock_iothread();
+    qemu_thread_get_self(cpu->thread);
+    cpu->thread_id = qemu_get_thread_id();
+
+    sigemptyset(&waitset);
+    sigaddset(&waitset, SIG_IPI);
+
+    /* signal CPU creation */
+    cpu->created = true;
+    qemu_cond_signal(&qemu_cpu_cond);
+
+    cpu_single_env = env;
+    while (1) {
+        cpu_single_env = 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();
+        cpu_single_env = env;
+        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 *env = arg;
+    CPUState *cpu = arg;
+    CPUArchState *env;
 
     qemu_tcg_init_cpu_signals();
-    qemu_thread_get_self(env->thread);
+    qemu_thread_get_self(cpu->thread);
 
     /* signal CPU creation */
     qemu_mutex_lock(&qemu_global_mutex);
     for (env = first_cpu; env != NULL; env = env->next_cpu) {
-        env->thread_id = qemu_get_thread_id();
-        env->created = 1;
+        cpu = ENV_GET_CPU(env);
+        cpu->thread_id = qemu_get_thread_id();
+        cpu->created = true;
     }
     qemu_cond_signal(&qemu_cpu_cond);
 
     /* wait for initial kick-off after machine start */
-    while (first_cpu->stopped) {
+    while (ENV_GET_CPU(first_cpu)->stopped) {
         qemu_cond_wait(tcg_halt_cond, &qemu_global_mutex);
 
         /* process any pending work */
         for (env = first_cpu; env != NULL; env = env->next_cpu) {
-            qemu_wait_io_event_common(env);
+            qemu_wait_io_event_common(ENV_GET_CPU(env));
         }
     }
 
@@ -779,33 +848,31 @@ static void *qemu_tcg_cpu_thread_fn(void *arg)
     return NULL;
 }
 
-static void qemu_cpu_kick_thread(CPUState *env)
+static void qemu_cpu_kick_thread(CPUState *cpu)
 {
 #ifndef _WIN32
     int err;
 
-    err = pthread_kill(env->thread->thread, SIG_IPI);
+    err = pthread_kill(cpu->thread->thread, SIG_IPI);
     if (err) {
         fprintf(stderr, "qemu:%s: %s", __func__, strerror(err));
         exit(1);
     }
 #else /* _WIN32 */
-    if (!qemu_cpu_is_self(env)) {
-        SuspendThread(env->hThread);
+    if (!qemu_cpu_is_self(cpu)) {
+        SuspendThread(cpu->hThread);
         cpu_signal(0);
-        ResumeThread(env->hThread);
+        ResumeThread(cpu->hThread);
     }
 #endif
 }
 
-void qemu_cpu_kick(void *_env)
+void qemu_cpu_kick(CPUState *cpu)
 {
-    CPUState *env = _env;
-
-    qemu_cond_broadcast(env->halt_cond);
-    if (kvm_enabled() && !env->thread_kicked) {
-        qemu_cpu_kick_thread(env);
-        env->thread_kicked = true;
+    qemu_cond_broadcast(cpu->halt_cond);
+    if (!tcg_enabled() && !cpu->thread_kicked) {
+        qemu_cpu_kick_thread(cpu);
+        cpu->thread_kicked = true;
     }
 }
 
@@ -813,31 +880,35 @@ void qemu_cpu_kick_self(void)
 {
 #ifndef _WIN32
     assert(cpu_single_env);
+    CPUState *cpu_single_cpu = ENV_GET_CPU(cpu_single_env);
 
-    if (!cpu_single_env->thread_kicked) {
-        qemu_cpu_kick_thread(cpu_single_env);
-        cpu_single_env->thread_kicked = true;
+    if (!cpu_single_cpu->thread_kicked) {
+        qemu_cpu_kick_thread(cpu_single_cpu);
+        cpu_single_cpu->thread_kicked = true;
     }
 #else
     abort();
 #endif
 }
 
-int qemu_cpu_is_self(void *_env)
+bool qemu_cpu_is_self(CPUState *cpu)
 {
-    CPUState *env = _env;
+    return qemu_thread_is_self(cpu->thread);
+}
 
-    return qemu_thread_is_self(env->thread);
+static bool qemu_in_vcpu_thread(void)
+{
+    return cpu_single_env && qemu_cpu_is_self(ENV_GET_CPU(cpu_single_env));
 }
 
 void qemu_mutex_lock_iothread(void)
 {
-    if (kvm_enabled()) {
+    if (!tcg_enabled()) {
         qemu_mutex_lock(&qemu_global_mutex);
     } else {
         iothread_requesting_mutex = true;
         if (qemu_mutex_trylock(&qemu_global_mutex)) {
-            qemu_cpu_kick_thread(first_cpu);
+            qemu_cpu_kick_thread(ENV_GET_CPU(first_cpu));
             qemu_mutex_lock(&qemu_global_mutex);
         }
         iothread_requesting_mutex = false;
@@ -852,10 +923,11 @@ void qemu_mutex_unlock_iothread(void)
 
 static int all_vcpus_paused(void)
 {
-    CPUState *penv = first_cpu;
+    CPUArchState *penv = first_cpu;
 
     while (penv) {
-        if (!penv->stopped) {
+        CPUState *pcpu = ENV_GET_CPU(penv);
+        if (!pcpu->stopped) {
             return 0;
         }
         penv = penv->next_cpu;
@@ -866,20 +938,34 @@ static int all_vcpus_paused(void)
 
 void pause_all_vcpus(void)
 {
-    CPUState *penv = first_cpu;
+    CPUArchState *penv = first_cpu;
 
     qemu_clock_enable(vm_clock, false);
     while (penv) {
-        penv->stop = 1;
-        qemu_cpu_kick(penv);
+        CPUState *pcpu = ENV_GET_CPU(penv);
+        pcpu->stop = true;
+        qemu_cpu_kick(pcpu);
         penv = penv->next_cpu;
     }
 
+    if (qemu_in_vcpu_thread()) {
+        cpu_stop_current();
+        if (!kvm_enabled()) {
+            while (penv) {
+                CPUState *pcpu = ENV_GET_CPU(penv);
+                pcpu->stop = 0;
+                pcpu->stopped = true;
+                penv = penv->next_cpu;
+            }
+            return;
+        }
+    }
+
     while (!all_vcpus_paused()) {
         qemu_cond_wait(&qemu_pause_cond, &qemu_global_mutex);
         penv = first_cpu;
         while (penv) {
-            qemu_cpu_kick(penv);
+            qemu_cpu_kick(ENV_GET_CPU(penv));
             penv = penv->next_cpu;
         }
     }
@@ -887,73 +973,92 @@ void pause_all_vcpus(void)
 
 void resume_all_vcpus(void)
 {
-    CPUState *penv = first_cpu;
+    CPUArchState *penv = first_cpu;
 
     qemu_clock_enable(vm_clock, true);
     while (penv) {
-        penv->stop = 0;
-        penv->stopped = 0;
-        qemu_cpu_kick(penv);
+        CPUState *pcpu = ENV_GET_CPU(penv);
+        pcpu->stop = false;
+        pcpu->stopped = false;
+        qemu_cpu_kick(pcpu);
         penv = penv->next_cpu;
     }
 }
 
-static void qemu_tcg_init_vcpu(void *_env)
+static void qemu_tcg_init_vcpu(CPUState *cpu)
 {
-    CPUState *env = _env;
-
     /* share a single thread for all cpus with TCG */
     if (!tcg_cpu_thread) {
-        env->thread = g_malloc0(sizeof(QemuThread));
-        env->halt_cond = g_malloc0(sizeof(QemuCond));
-        qemu_cond_init(env->halt_cond);
-        tcg_halt_cond = env->halt_cond;
-        qemu_thread_create(env->thread, qemu_tcg_cpu_thread_fn, env,
+        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;
+        qemu_thread_create(cpu->thread, qemu_tcg_cpu_thread_fn, cpu,
                            QEMU_THREAD_JOINABLE);
 #ifdef _WIN32
-        env->hThread = qemu_thread_get_handle(env->thread);
+        cpu->hThread = qemu_thread_get_handle(cpu->thread);
 #endif
-        while (env->created == 0) {
+        while (!cpu->created) {
             qemu_cond_wait(&qemu_cpu_cond, &qemu_global_mutex);
         }
-        tcg_cpu_thread = env->thread;
+        tcg_cpu_thread = cpu->thread;
     } else {
-        env->thread = tcg_cpu_thread;
-        env->halt_cond = tcg_halt_cond;
+        cpu->thread = tcg_cpu_thread;
+        cpu->halt_cond = tcg_halt_cond;
     }
 }
 
-static void qemu_kvm_start_vcpu(CPUState *env)
+static void qemu_kvm_start_vcpu(CPUArchState *env)
 {
-    env->thread = g_malloc0(sizeof(QemuThread));
-    env->halt_cond = g_malloc0(sizeof(QemuCond));
-    qemu_cond_init(env->halt_cond);
-    qemu_thread_create(env->thread, qemu_kvm_cpu_thread_fn, env,
+    CPUState *cpu = ENV_GET_CPU(env);
+
+    cpu->thread = g_malloc0(sizeof(QemuThread));
+    cpu->halt_cond = g_malloc0(sizeof(QemuCond));
+    qemu_cond_init(cpu->halt_cond);
+    qemu_thread_create(cpu->thread, qemu_kvm_cpu_thread_fn, env,
                        QEMU_THREAD_JOINABLE);
-    while (env->created == 0) {
+    while (!cpu->created) {
+        qemu_cond_wait(&qemu_cpu_cond, &qemu_global_mutex);
+    }
+}
+
+static void qemu_dummy_start_vcpu(CPUArchState *env)
+{
+    CPUState *cpu = ENV_GET_CPU(env);
+
+    cpu->thread = g_malloc0(sizeof(QemuThread));
+    cpu->halt_cond = g_malloc0(sizeof(QemuCond));
+    qemu_cond_init(cpu->halt_cond);
+    qemu_thread_create(cpu->thread, qemu_dummy_cpu_thread_fn, env,
+                       QEMU_THREAD_JOINABLE);
+    while (!cpu->created) {
         qemu_cond_wait(&qemu_cpu_cond, &qemu_global_mutex);
     }
 }
 
 void qemu_init_vcpu(void *_env)
 {
-    CPUState *env = _env;
+    CPUArchState *env = _env;
+    CPUState *cpu = ENV_GET_CPU(env);
 
     env->nr_cores = smp_cores;
     env->nr_threads = smp_threads;
-    env->stopped = 1;
+    cpu->stopped = true;
     if (kvm_enabled()) {
         qemu_kvm_start_vcpu(env);
+    } else if (tcg_enabled()) {
+        qemu_tcg_init_vcpu(cpu);
     } else {
-        qemu_tcg_init_vcpu(env);
+        qemu_dummy_start_vcpu(env);
     }
 }
 
 void cpu_stop_current(void)
 {
     if (cpu_single_env) {
-        cpu_single_env->stop = 0;
-        cpu_single_env->stopped = 1;
+        CPUState *cpu_single_cpu = ENV_GET_CPU(cpu_single_env);
+        cpu_single_cpu->stop = false;
+        cpu_single_cpu->stopped = true;
         cpu_exit(cpu_single_env);
         qemu_cond_signal(&qemu_pause_cond);
     }
@@ -961,7 +1066,7 @@ void cpu_stop_current(void)
 
 void vm_stop(RunState state)
 {
-    if (!qemu_thread_is_self(&io_thread)) {
+    if (qemu_in_vcpu_thread()) {
         qemu_system_vmstop_request(state);
         /*
          * FIXME: should not return to device code in case
@@ -984,7 +1089,7 @@ void vm_stop_force_state(RunState state)
     }
 }
 
-static int tcg_cpu_exec(CPUState *env)
+static int tcg_cpu_exec(CPUArchState *env)
 {
     int ret;
 #ifdef CONFIG_PROFILER
@@ -1033,18 +1138,19 @@ static void tcg_exec_all(void)
         next_cpu = first_cpu;
     }
     for (; next_cpu != NULL && !exit_request; next_cpu = next_cpu->next_cpu) {
-        CPUState *env = next_cpu;
+        CPUArchState *env = next_cpu;
+        CPUState *cpu = ENV_GET_CPU(env);
 
         qemu_clock_enable(vm_clock,
                           (env->singlestep_enabled & SSTEP_NOTIMER) == 0);
 
-        if (cpu_can_run(env)) {
+        if (cpu_can_run(cpu)) {
             r = tcg_cpu_exec(env);
             if (r == EXCP_DEBUG) {
                 cpu_handle_guest_debug(env);
                 break;
             }
-        } else if (env->stop || env->stopped) {
+        } else if (cpu->stop || cpu->stopped) {
             break;
         }
     }
@@ -1053,12 +1159,12 @@ static void tcg_exec_all(void)
 
 void set_numa_modes(void)
 {
-    CPUState *env;
+    CPUArchState *env;
     int i;
 
     for (env = first_cpu; env != NULL; env = env->next_cpu) {
         for (i = 0; i < nb_numa_nodes; i++) {
-            if (node_cpumask[i] & (1 << env->cpu_index)) {
+            if (test_bit(env->cpu_index, node_cpumask[i])) {
                 env->numa_node = i;
             }
         }
@@ -1089,19 +1195,18 @@ void set_cpu_log_filename(const char *optarg)
 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_id)
-    cpu_list_id(f, cpu_fprintf, optarg);
-#elif defined(cpu_list)
-    cpu_list(f, cpu_fprintf); /* deprecated */
+#if defined(cpu_list)
+    cpu_list(f, cpu_fprintf);
 #endif
 }
 
 CpuInfoList *qmp_query_cpus(Error **errp)
 {
     CpuInfoList *head = NULL, *cur_item = NULL;
-    CPUState *env;
+    CPUArchState *env;
 
-    for(env = first_cpu; env != NULL; env = env->next_cpu) {
+    for (env = first_cpu; env != NULL; env = env->next_cpu) {
+        CPUState *cpu = ENV_GET_CPU(env);
         CpuInfoList *info;
 
         cpu_synchronize_state(env);
@@ -1111,7 +1216,7 @@ CpuInfoList *qmp_query_cpus(Error **errp)
         info->value->CPU = env->cpu_index;
         info->value->current = (env == first_cpu);
         info->value->halted = env->halted;
-        info->value->thread_id = env->thread_id;
+        info->value->thread_id = cpu->thread_id;
 #if defined(TARGET_I386)
         info->value->has_pc = true;
         info->value->pc = env->eip + env->segs[R_CS].base;
@@ -1145,7 +1250,7 @@ void qmp_memsave(int64_t addr, int64_t size, const char *filename,
 {
     FILE *f;
     uint32_t l;
-    CPUState *env;
+    CPUArchState *env;
     uint8_t buf[1024];
 
     if (!has_cpu) {
@@ -1220,7 +1325,7 @@ exit:
 void qmp_inject_nmi(Error **errp)
 {
 #if defined(TARGET_I386)
-    CPUState *env;
+    CPUArchState *env;
 
     for (env = first_cpu; env != NULL; env = env->next_cpu) {
         if (!env->apic_state) {