cpu: Move CPU_COMMON_THREAD into CPUState

CPU_COMMON_THREAD was only used for Windows, adding an hThread field
to CPU_COMMON.

Move the field into QOM CPUState and change its type to HANDLE,
which it is assigned from. This requires Windows headers, pulled in
through qemu-thread.h.

Signed-off-by: Andreas Färber <afaerber@suse.de>

cpu-defs.h

@@ -151,14 +151,6 @@ typedef struct CPUWatchpoint {
     QTAILQ_ENTRY(CPUWatchpoint) entry;
 } CPUWatchpoint;
 
-#ifdef _WIN32
-#define CPU_COMMON_THREAD \
-    void *hThread;
-
-#else
-#define CPU_COMMON_THREAD
-#endif
-
 #define CPU_TEMP_BUF_NLONGS 128
 #define CPU_COMMON                                                      \
     struct TranslationBlock *current_tb; /* currently executing TB  */  \
@@ -217,7 +209,6 @@ typedef struct CPUWatchpoint {
     uint32_t stop;   /* Stop request */                                 \
     uint32_t stopped; /* Artificially stopped */                        \
     struct QemuThread *thread;                                          \
-    CPU_COMMON_THREAD                                                   \
     struct QemuCond *halt_cond;                                         \
     int thread_kicked;                                                  \
     struct qemu_work_item *queued_work_first, *queued_work_last;        \

cpus.c

@@ -852,9 +852,10 @@ static void qemu_cpu_kick_thread(CPUArchState *env)
     }
 #else /* _WIN32 */
     if (!qemu_cpu_is_self(env)) {
-        SuspendThread(env->hThread);
+        CPUState *cpu = ENV_GET_CPU(env);
+        SuspendThread(cpu->hThread);
         cpu_signal(0);
-        ResumeThread(env->hThread);
+        ResumeThread(cpu->hThread);
     }
 #endif
 }
@@ -974,6 +975,9 @@ void resume_all_vcpus(void)
 static void qemu_tcg_init_vcpu(void *_env)
 {
     CPUArchState *env = _env;
+#ifdef _WIN32
+    CPUState *cpu = ENV_GET_CPU(env);
+#endif
 
     /* share a single thread for all cpus with TCG */
     if (!tcg_cpu_thread) {
@@ -984,7 +988,7 @@ static void qemu_tcg_init_vcpu(void *_env)
         qemu_thread_create(env->thread, qemu_tcg_cpu_thread_fn, env,
                            QEMU_THREAD_JOINABLE);
 #ifdef _WIN32
-        env->hThread = qemu_thread_get_handle(env->thread);
+        cpu->hThread = qemu_thread_get_handle(env->thread);
 #endif
         while (env->created == 0) {
             qemu_cond_wait(&qemu_cpu_cond, &qemu_global_mutex);

include/qemu/cpu.h

@@ -21,6 +21,7 @@
 #define QEMU_CPU_H
 
 #include "qemu/object.h"
+#include "qemu-thread.h"
 
 /**
  * SECTION:cpu
@@ -61,6 +62,10 @@ struct CPUState {
     Object parent_obj;
     /*< public >*/
 
+#ifdef _WIN32
+    HANDLE hThread;
+#endif
+
     /* TODO Move common fields from CPUArchState here. */
 };