arm/translate-a64: add FP16 SCVTF/UCVFT to simd_two_reg_misc_fp16

[mirror_qemu.git] / cpus.c

diff --git a/cpus.c b/cpus.c
index 8d8bb7c6d3be3d13a20a9e5229f65a2aa69a4f98..f298b659f467dd8a0090f88c90db6ea2c882b2fc 100644 (file)
--- a/cpus.c
+++ b/cpus.c
@@ -22,12 +22,11 @@
  * THE SOFTWARE.
  */
 
-/* Needed early for CONFIG_BSD etc. */
 #include "qemu/osdep.h"
-#include "qemu-common.h"
 #include "qemu/config-file.h"
 #include "cpu.h"
 #include "monitor/monitor.h"
+#include "qapi/error.h"
 #include "qapi/qmp/qerror.h"
 #include "qemu/error-report.h"
 #include "sysemu/sysemu.h"
@@ -38,6 +37,7 @@
 #include "sysemu/kvm.h"
 #include "sysemu/hax.h"
 #include "sysemu/hvf.h"
+#include "sysemu/whpx.h"
 #include "qmp-commands.h"
 #include "exec/exec-all.h"
 
@@ -45,6 +45,7 @@
 #include "sysemu/cpus.h"
 #include "sysemu/qtest.h"
 #include "qemu/main-loop.h"
+#include "qemu/option.h"
 #include "qemu/bitmap.h"
 #include "qemu/seqlock.h"
 #include "tcg.h"
@@ -259,7 +260,7 @@ int64_t cpu_get_icount_raw(void)
 
     if (cpu && cpu->running) {
         if (!cpu->can_do_io) {
-            fprintf(stderr, "Bad icount read\n");
+            error_report("Bad icount read");
             exit(1);
         }
         /* Take into account what has run */
@@ -1181,7 +1182,7 @@ static void *qemu_kvm_cpu_thread_fn(void *arg)
 
     r = kvm_init_vcpu(cpu);
     if (r < 0) {
-        fprintf(stderr, "kvm_init_vcpu failed: %s\n", strerror(-r));
+        error_report("kvm_init_vcpu failed: %s", strerror(-r));
         exit(1);
     }
 
@@ -1212,7 +1213,7 @@ static void *qemu_kvm_cpu_thread_fn(void *arg)
 static void *qemu_dummy_cpu_thread_fn(void *arg)
 {
 #ifdef _WIN32
-    fprintf(stderr, "qtest is not supported under Windows\n");
+    error_report("qtest is not supported under Windows");
     exit(1);
 #else
     CPUState *cpu = arg;
@@ -1545,6 +1546,49 @@ static void *qemu_hvf_cpu_thread_fn(void *arg)
     return NULL;
 }
 
+static void *qemu_whpx_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();
+    current_cpu = cpu;
+
+    r = whpx_init_vcpu(cpu);
+    if (r < 0) {
+        fprintf(stderr, "whpx_init_vcpu failed: %s\n", strerror(-r));
+        exit(1);
+    }
+
+    /* signal CPU creation */
+    cpu->created = true;
+    qemu_cond_signal(&qemu_cpu_cond);
+
+    do {
+        if (cpu_can_run(cpu)) {
+            r = whpx_vcpu_exec(cpu);
+            if (r == EXCP_DEBUG) {
+                cpu_handle_guest_debug(cpu);
+            }
+        }
+        while (cpu_thread_is_idle(cpu)) {
+            qemu_cond_wait(cpu->halt_cond, &qemu_global_mutex);
+        }
+        qemu_wait_io_event_common(cpu);
+    } while (!cpu->unplug || cpu_can_run(cpu));
+
+    whpx_destroy_vcpu(cpu);
+    cpu->created = false;
+    qemu_cond_signal(&qemu_cpu_cond);
+    qemu_mutex_unlock_iothread();
+    rcu_unregister_thread();
+    return NULL;
+}
+
 #ifdef _WIN32
 static void CALLBACK dummy_apc_func(ULONG_PTR unused)
 {
@@ -1635,7 +1679,9 @@ static void qemu_cpu_kick_thread(CPUState *cpu)
     }
 #else /* _WIN32 */
     if (!qemu_cpu_is_self(cpu)) {
-        if (!QueueUserAPC(dummy_apc_func, cpu->hThread, 0)) {
+        if (whpx_enabled()) {
+            whpx_vcpu_kick(cpu);
+        } else if (!QueueUserAPC(dummy_apc_func, cpu->hThread, 0)) {
             fprintf(stderr, "%s: QueueUserAPC failed with error %lu\n",
                     __func__, GetLastError());
             exit(1);
@@ -1877,6 +1923,25 @@ static void qemu_hvf_start_vcpu(CPUState *cpu)
     }
 }
 
+static void qemu_whpx_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/WHPX",
+             cpu->cpu_index);
+    qemu_thread_create(cpu->thread, thread_name, qemu_whpx_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);
+    }
+}
+
 static void qemu_dummy_start_vcpu(CPUState *cpu)
 {
     char thread_name[VCPU_THREAD_NAME_SIZE];
@@ -1915,6 +1980,8 @@ void qemu_init_vcpu(CPUState *cpu)
         qemu_hvf_start_vcpu(cpu);
     } else if (tcg_enabled()) {
         qemu_tcg_init_vcpu(cpu);
+    } else if (whpx_enabled()) {
+        qemu_whpx_start_vcpu(cpu);
     } else {
         qemu_dummy_start_vcpu(cpu);
     }