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| 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); |
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