]> git.proxmox.com Git - qemu.git/blobdiff - qom/cpu.c
smc91c111: Fix receive starvation
[qemu.git] / qom / cpu.c
index 5b360469c5aea90fad44db1b455c14c5e62d5a1c..818fb26dd48f4913301653ba9ff1a33f81b9d729 100644 (file)
--- a/qom/cpu.c
+++ b/qom/cpu.c
  * <http://www.gnu.org/licenses/gpl-2.0.html>
  */
 
-#include "qemu/cpu.h"
 #include "qemu-common.h"
+#include "qom/cpu.h"
+#include "sysemu/kvm.h"
+#include "qemu/notify.h"
+#include "qemu/log.h"
+#include "sysemu/sysemu.h"
+
+bool cpu_exists(int64_t id)
+{
+    CPUState *cpu;
+
+    CPU_FOREACH(cpu) {
+        CPUClass *cc = CPU_GET_CLASS(cpu);
+
+        if (cc->get_arch_id(cpu) == id) {
+            return true;
+        }
+    }
+    return false;
+}
+
+bool cpu_paging_enabled(const CPUState *cpu)
+{
+    CPUClass *cc = CPU_GET_CLASS(cpu);
+
+    return cc->get_paging_enabled(cpu);
+}
+
+static bool cpu_common_get_paging_enabled(const CPUState *cpu)
+{
+    return false;
+}
+
+void cpu_get_memory_mapping(CPUState *cpu, MemoryMappingList *list,
+                            Error **errp)
+{
+    CPUClass *cc = CPU_GET_CLASS(cpu);
+
+    return cc->get_memory_mapping(cpu, list, errp);
+}
+
+static void cpu_common_get_memory_mapping(CPUState *cpu,
+                                          MemoryMappingList *list,
+                                          Error **errp)
+{
+    error_setg(errp, "Obtaining memory mappings is unsupported on this CPU.");
+}
+
+/* CPU hot-plug notifiers */
+static NotifierList cpu_added_notifiers =
+    NOTIFIER_LIST_INITIALIZER(cpu_add_notifiers);
+
+void qemu_register_cpu_added_notifier(Notifier *notifier)
+{
+    notifier_list_add(&cpu_added_notifiers, notifier);
+}
+
+void cpu_reset_interrupt(CPUState *cpu, int mask)
+{
+    cpu->interrupt_request &= ~mask;
+}
+
+void cpu_exit(CPUState *cpu)
+{
+    cpu->exit_request = 1;
+    cpu->tcg_exit_req = 1;
+}
+
+int cpu_write_elf32_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
+                             void *opaque)
+{
+    CPUClass *cc = CPU_GET_CLASS(cpu);
+
+    return (*cc->write_elf32_qemunote)(f, cpu, opaque);
+}
+
+static int cpu_common_write_elf32_qemunote(WriteCoreDumpFunction f,
+                                           CPUState *cpu, void *opaque)
+{
+    return -1;
+}
+
+int cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cpu,
+                         int cpuid, void *opaque)
+{
+    CPUClass *cc = CPU_GET_CLASS(cpu);
+
+    return (*cc->write_elf32_note)(f, cpu, cpuid, opaque);
+}
+
+static int cpu_common_write_elf32_note(WriteCoreDumpFunction f,
+                                       CPUState *cpu, int cpuid,
+                                       void *opaque)
+{
+    return -1;
+}
+
+int cpu_write_elf64_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
+                             void *opaque)
+{
+    CPUClass *cc = CPU_GET_CLASS(cpu);
+
+    return (*cc->write_elf64_qemunote)(f, cpu, opaque);
+}
+
+static int cpu_common_write_elf64_qemunote(WriteCoreDumpFunction f,
+                                           CPUState *cpu, void *opaque)
+{
+    return -1;
+}
+
+int cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cpu,
+                         int cpuid, void *opaque)
+{
+    CPUClass *cc = CPU_GET_CLASS(cpu);
+
+    return (*cc->write_elf64_note)(f, cpu, cpuid, opaque);
+}
+
+static int cpu_common_write_elf64_note(WriteCoreDumpFunction f,
+                                       CPUState *cpu, int cpuid,
+                                       void *opaque)
+{
+    return -1;
+}
+
+
+static int cpu_common_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg)
+{
+    return 0;
+}
+
+static int cpu_common_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg)
+{
+    return 0;
+}
+
+
+void cpu_dump_state(CPUState *cpu, FILE *f, fprintf_function cpu_fprintf,
+                    int flags)
+{
+    CPUClass *cc = CPU_GET_CLASS(cpu);
+
+    if (cc->dump_state) {
+        cpu_synchronize_state(cpu);
+        cc->dump_state(cpu, f, cpu_fprintf, flags);
+    }
+}
+
+void cpu_dump_statistics(CPUState *cpu, FILE *f, fprintf_function cpu_fprintf,
+                         int flags)
+{
+    CPUClass *cc = CPU_GET_CLASS(cpu);
+
+    if (cc->dump_statistics) {
+        cc->dump_statistics(cpu, f, cpu_fprintf, flags);
+    }
+}
 
 void cpu_reset(CPUState *cpu)
 {
@@ -32,19 +188,80 @@ void cpu_reset(CPUState *cpu)
 
 static void cpu_common_reset(CPUState *cpu)
 {
+    CPUClass *cc = CPU_GET_CLASS(cpu);
+
+    if (qemu_loglevel_mask(CPU_LOG_RESET)) {
+        qemu_log("CPU Reset (CPU %d)\n", cpu->cpu_index);
+        log_cpu_state(cpu, cc->reset_dump_flags);
+    }
+
+    cpu->exit_request = 0;
+    cpu->interrupt_request = 0;
+    cpu->current_tb = NULL;
+    cpu->halted = 0;
+}
+
+ObjectClass *cpu_class_by_name(const char *typename, const char *cpu_model)
+{
+    CPUClass *cc = CPU_CLASS(object_class_by_name(typename));
+
+    return cc->class_by_name(cpu_model);
+}
+
+static ObjectClass *cpu_common_class_by_name(const char *cpu_model)
+{
+    return NULL;
+}
+
+static void cpu_common_realizefn(DeviceState *dev, Error **errp)
+{
+    CPUState *cpu = CPU(dev);
+
+    if (dev->hotplugged) {
+        cpu_synchronize_post_init(cpu);
+        notifier_list_notify(&cpu_added_notifiers, dev);
+        cpu_resume(cpu);
+    }
+}
+
+static void cpu_common_initfn(Object *obj)
+{
+    CPUState *cpu = CPU(obj);
+    CPUClass *cc = CPU_GET_CLASS(obj);
+
+    cpu->gdb_num_regs = cpu->gdb_num_g_regs = cc->gdb_num_core_regs;
+}
+
+static int64_t cpu_common_get_arch_id(CPUState *cpu)
+{
+    return cpu->cpu_index;
 }
 
 static void cpu_class_init(ObjectClass *klass, void *data)
 {
+    DeviceClass *dc = DEVICE_CLASS(klass);
     CPUClass *k = CPU_CLASS(klass);
 
+    k->class_by_name = cpu_common_class_by_name;
     k->reset = cpu_common_reset;
+    k->get_arch_id = cpu_common_get_arch_id;
+    k->get_paging_enabled = cpu_common_get_paging_enabled;
+    k->get_memory_mapping = cpu_common_get_memory_mapping;
+    k->write_elf32_qemunote = cpu_common_write_elf32_qemunote;
+    k->write_elf32_note = cpu_common_write_elf32_note;
+    k->write_elf64_qemunote = cpu_common_write_elf64_qemunote;
+    k->write_elf64_note = cpu_common_write_elf64_note;
+    k->gdb_read_register = cpu_common_gdb_read_register;
+    k->gdb_write_register = cpu_common_gdb_write_register;
+    dc->realize = cpu_common_realizefn;
+    dc->no_user = 1;
 }
 
-static TypeInfo cpu_type_info = {
+static const TypeInfo cpu_type_info = {
     .name = TYPE_CPU,
-    .parent = TYPE_OBJECT,
+    .parent = TYPE_DEVICE,
     .instance_size = sizeof(CPUState),
+    .instance_init = cpu_common_initfn,
     .abstract = true,
     .class_size = sizeof(CPUClass),
     .class_init = cpu_class_init,