1 /* 2 * QEMU accel class, components common to system emulation and user mode 3 * 4 * Copyright (c) 2003-2008 Fabrice Bellard 5 * Copyright (c) 2014 Red Hat Inc. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a copy 8 * of this software and associated documentation files (the "Software"), to deal 9 * in the Software without restriction, including without limitation the rights 10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 11 * copies of the Software, and to permit persons to whom the Software is 12 * furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included in 15 * all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 23 * THE SOFTWARE. 24 */ 25 26 #include "qemu/osdep.h" 27 #include "qemu/accel.h" 28 29 #include "cpu.h" 30 #include "hw/core/accel-cpu.h" 31 32 #ifndef CONFIG_USER_ONLY 33 #include "accel-softmmu.h" 34 #endif /* !CONFIG_USER_ONLY */ 35 36 static const TypeInfo accel_type = { 37 .name = TYPE_ACCEL, 38 .parent = TYPE_OBJECT, 39 .class_size = sizeof(AccelClass), 40 .instance_size = sizeof(AccelState), 41 }; 42 43 /* Lookup AccelClass from opt_name. Returns NULL if not found */ 44 AccelClass *accel_find(const char *opt_name) 45 { 46 char *class_name = g_strdup_printf(ACCEL_CLASS_NAME("%s"), opt_name); 47 AccelClass *ac = ACCEL_CLASS(object_class_by_name(class_name)); 48 g_free(class_name); 49 return ac; 50 } 51 52 static void accel_init_cpu_int_aux(ObjectClass *klass, void *opaque) 53 { 54 CPUClass *cc = CPU_CLASS(klass); 55 AccelCPUClass *accel_cpu = opaque; 56 57 cc->accel_cpu = accel_cpu; 58 if (accel_cpu->cpu_class_init) { 59 accel_cpu->cpu_class_init(cc); 60 } 61 } 62 63 /* initialize the arch-specific accel CpuClass interfaces */ 64 static void accel_init_cpu_interfaces(AccelClass *ac) 65 { 66 const char *ac_name; /* AccelClass name */ 67 char *acc_name; /* AccelCPUClass name */ 68 ObjectClass *acc; /* AccelCPUClass */ 69 70 ac_name = object_class_get_name(OBJECT_CLASS(ac)); 71 g_assert(ac_name != NULL); 72 73 acc_name = g_strdup_printf("%s-%s", ac_name, CPU_RESOLVING_TYPE); 74 acc = object_class_by_name(acc_name); 75 g_free(acc_name); 76 77 if (acc) { 78 object_class_foreach(accel_init_cpu_int_aux, 79 CPU_RESOLVING_TYPE, false, acc); 80 } 81 } 82 83 void accel_init_interfaces(AccelClass *ac) 84 { 85 #ifndef CONFIG_USER_ONLY 86 accel_init_ops_interfaces(ac); 87 #endif /* !CONFIG_USER_ONLY */ 88 89 accel_init_cpu_interfaces(ac); 90 } 91 92 static const TypeInfo accel_cpu_type = { 93 .name = TYPE_ACCEL_CPU, 94 .parent = TYPE_OBJECT, 95 .abstract = true, 96 .class_size = sizeof(AccelCPUClass), 97 }; 98 99 static void register_accel_types(void) 100 { 101 type_register_static(&accel_type); 102 type_register_static(&accel_cpu_type); 103 } 104 105 type_init(register_accel_types); 106