cpu: Move stopped field to CPUState

[qemu.git] / cpus.c

diff --git a/cpus.c b/cpus.c
index 3de2e27f41c3f7fc86fc0df9fcbca7aa40b49390..4654f0878b99ff3131ff4543274cf22fbb707b4a 100644 (file)
--- a/cpus.c
+++ b/cpus.c
@@ -64,13 +64,16 @@ static CPUArchState *next_cpu;
 
 static bool cpu_thread_is_idle(CPUArchState *env)
 {
-    if (env->stop || env->queued_work_first) {
+    CPUState *cpu = ENV_GET_CPU(env);
+
+    if (cpu->stop || env->queued_work_first) {
         return false;
     }
-    if (env->stopped || !runstate_is_running()) {
+    if (cpu->stopped || !runstate_is_running()) {
         return true;
     }
-    if (!env->halted || qemu_cpu_has_work(env) || kvm_irqchip_in_kernel()) {
+    if (!env->halted || qemu_cpu_has_work(env) ||
+        kvm_async_interrupts_enabled()) {
         return false;
     }
     return true;
@@ -394,11 +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();
@@ -433,7 +432,9 @@ void cpu_synchronize_all_post_init(void)
 
 int cpu_is_stopped(CPUArchState *env)
 {
-    return !runstate_is_running() || env->stopped;
+    CPUState *cpu = ENV_GET_CPU(env);
+
+    return !runstate_is_running() || cpu->stopped;
 }
 
 static void do_vm_stop(RunState state)
@@ -451,10 +452,12 @@ static void do_vm_stop(RunState state)
 
 static int cpu_can_run(CPUArchState *env)
 {
-    if (env->stop) {
+    CPUState *cpu = ENV_GET_CPU(env);
+
+    if (cpu->stop) {
         return 0;
     }
-    if (env->stopped || !runstate_is_running()) {
+    if (cpu->stopped || !runstate_is_running()) {
         return 0;
     }
     return 1;
@@ -462,9 +465,11 @@ static int cpu_can_run(CPUArchState *env)
 
 static void cpu_handle_guest_debug(CPUArchState *env)
 {
+    CPUState *cpu = ENV_GET_CPU(env);
+
     gdb_set_stop_cpu(env);
     qemu_system_debug_request();
-    env->stopped = 1;
+    cpu->stopped = true;
 }
 
 static void cpu_signal(int sig)
@@ -612,7 +617,7 @@ 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;
 
@@ -641,9 +646,10 @@ void qemu_init_cpu_loop(void)
 
 void run_on_cpu(CPUArchState *env, void (*func)(void *data), void *data)
 {
+    CPUState *cpu = ENV_GET_CPU(env);
     struct qemu_work_item wi;
 
-    if (qemu_cpu_is_self(env)) {
+    if (qemu_cpu_is_self(cpu)) {
         func(data);
         return;
     }
@@ -689,9 +695,9 @@ static void qemu_wait_io_event_common(CPUArchState *env)
 {
     CPUState *cpu = ENV_GET_CPU(env);
 
-    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);
@@ -748,7 +754,7 @@ 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) {
@@ -783,7 +789,7 @@ static void *qemu_dummy_cpu_thread_fn(void *arg)
     sigaddset(&waitset, SIG_IPI);
 
     /* signal CPU creation */
-    env->created = 1;
+    cpu->created = true;
     qemu_cond_signal(&qemu_cpu_cond);
 
     cpu_single_env = env;
@@ -820,13 +826,14 @@ static void *qemu_tcg_cpu_thread_fn(void *arg)
     /* signal CPU creation */
     qemu_mutex_lock(&qemu_global_mutex);
     for (env = first_cpu; env != NULL; env = env->next_cpu) {
+        cpu = ENV_GET_CPU(env);
         env->thread_id = qemu_get_thread_id();
-        env->created = 1;
+        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 */
@@ -846,9 +853,8 @@ static void *qemu_tcg_cpu_thread_fn(void *arg)
     return NULL;
 }
 
-static void qemu_cpu_kick_thread(CPUArchState *env)
+static void qemu_cpu_kick_thread(CPUState *cpu)
 {
-    CPUState *cpu = ENV_GET_CPU(env);
 #ifndef _WIN32
     int err;
 
@@ -858,7 +864,7 @@ static void qemu_cpu_kick_thread(CPUArchState *env)
         exit(1);
     }
 #else /* _WIN32 */
-    if (!qemu_cpu_is_self(env)) {
+    if (!qemu_cpu_is_self(cpu)) {
         SuspendThread(cpu->hThread);
         cpu_signal(0);
         ResumeThread(cpu->hThread);
@@ -873,7 +879,7 @@ void qemu_cpu_kick(void *_env)
 
     qemu_cond_broadcast(env->halt_cond);
     if (!tcg_enabled() && !cpu->thread_kicked) {
-        qemu_cpu_kick_thread(env);
+        qemu_cpu_kick_thread(cpu);
         cpu->thread_kicked = true;
     }
 }
@@ -885,7 +891,7 @@ void qemu_cpu_kick_self(void)
     CPUState *cpu_single_cpu = ENV_GET_CPU(cpu_single_env);
 
     if (!cpu_single_cpu->thread_kicked) {
-        qemu_cpu_kick_thread(cpu_single_env);
+        qemu_cpu_kick_thread(cpu_single_cpu);
         cpu_single_cpu->thread_kicked = true;
     }
 #else
@@ -893,14 +899,16 @@ void qemu_cpu_kick_self(void)
 #endif
 }
 
-int qemu_cpu_is_self(void *_env)
+bool qemu_cpu_is_self(CPUState *cpu)
 {
-    CPUArchState *env = _env;
-    CPUState *cpu = ENV_GET_CPU(env);
-
     return qemu_thread_is_self(cpu->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 (!tcg_enabled()) {
@@ -908,7 +916,7 @@ void qemu_mutex_lock_iothread(void)
     } 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;
@@ -926,7 +934,8 @@ static int all_vcpus_paused(void)
     CPUArchState *penv = first_cpu;
 
     while (penv) {
-        if (!penv->stopped) {
+        CPUState *pcpu = ENV_GET_CPU(penv);
+        if (!pcpu->stopped) {
             return 0;
         }
         penv = penv->next_cpu;
@@ -941,17 +950,19 @@ void pause_all_vcpus(void)
 
     qemu_clock_enable(vm_clock, false);
     while (penv) {
-        penv->stop = 1;
+        CPUState *pcpu = ENV_GET_CPU(penv);
+        pcpu->stop = true;
         qemu_cpu_kick(penv);
         penv = penv->next_cpu;
     }
 
-    if (!qemu_thread_is_self(&io_thread)) {
+    if (qemu_in_vcpu_thread()) {
         cpu_stop_current();
         if (!kvm_enabled()) {
             while (penv) {
-                penv->stop = 0;
-                penv->stopped = 1;
+                CPUState *pcpu = ENV_GET_CPU(penv);
+                pcpu->stop = 0;
+                pcpu->stopped = true;
                 penv = penv->next_cpu;
             }
             return;
@@ -974,8 +985,9 @@ void resume_all_vcpus(void)
 
     qemu_clock_enable(vm_clock, true);
     while (penv) {
-        penv->stop = 0;
-        penv->stopped = 0;
+        CPUState *pcpu = ENV_GET_CPU(penv);
+        pcpu->stop = false;
+        pcpu->stopped = false;
         qemu_cpu_kick(penv);
         penv = penv->next_cpu;
     }
@@ -997,7 +1009,7 @@ static void qemu_tcg_init_vcpu(void *_env)
 #ifdef _WIN32
         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 = cpu->thread;
@@ -1016,7 +1028,7 @@ static void qemu_kvm_start_vcpu(CPUArchState *env)
     qemu_cond_init(env->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);
     }
 }
@@ -1030,7 +1042,7 @@ static void qemu_dummy_start_vcpu(CPUArchState *env)
     qemu_cond_init(env->halt_cond);
     qemu_thread_create(cpu->thread, qemu_dummy_cpu_thread_fn, env,
                        QEMU_THREAD_JOINABLE);
-    while (env->created == 0) {
+    while (!cpu->created) {
         qemu_cond_wait(&qemu_cpu_cond, &qemu_global_mutex);
     }
 }
@@ -1038,10 +1050,11 @@ static void qemu_dummy_start_vcpu(CPUArchState *env)
 void qemu_init_vcpu(void *_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()) {
@@ -1054,8 +1067,9 @@ void qemu_init_vcpu(void *_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);
     }
@@ -1063,7 +1077,7 @@ 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
@@ -1136,6 +1150,7 @@ static void tcg_exec_all(void)
     }
     for (; next_cpu != NULL && !exit_request; next_cpu = next_cpu->next_cpu) {
         CPUArchState *env = next_cpu;
+        CPUState *cpu = ENV_GET_CPU(env);
 
         qemu_clock_enable(vm_clock,
                           (env->singlestep_enabled & SSTEP_NOTIMER) == 0);
@@ -1146,7 +1161,7 @@ static void tcg_exec_all(void)
                 cpu_handle_guest_debug(env);
                 break;
             }
-        } else if (env->stop || env->stopped) {
+        } else if (cpu->stop || cpu->stopped) {
             break;
         }
     }
@@ -1191,10 +1206,8 @@ 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
 }