root / target-alpha / cpu.c @ a2247f8e
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1 | 25ebd80f | Andreas Färber | /*
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2 | 25ebd80f | Andreas Färber | * QEMU Alpha CPU
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3 | 25ebd80f | Andreas Färber | *
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4 | 9444006f | Andreas Färber | * Copyright (c) 2007 Jocelyn Mayer
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5 | 25ebd80f | Andreas Färber | * Copyright (c) 2012 SUSE LINUX Products GmbH
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6 | 25ebd80f | Andreas Färber | *
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7 | 25ebd80f | Andreas Färber | * This library is free software; you can redistribute it and/or
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8 | 25ebd80f | Andreas Färber | * modify it under the terms of the GNU Lesser General Public
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9 | 25ebd80f | Andreas Färber | * License as published by the Free Software Foundation; either
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10 | 25ebd80f | Andreas Färber | * version 2.1 of the License, or (at your option) any later version.
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11 | 25ebd80f | Andreas Färber | *
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12 | 25ebd80f | Andreas Färber | * This library is distributed in the hope that it will be useful,
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13 | 25ebd80f | Andreas Färber | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | 25ebd80f | Andreas Färber | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 | 25ebd80f | Andreas Färber | * Lesser General Public License for more details.
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16 | 25ebd80f | Andreas Färber | *
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17 | 25ebd80f | Andreas Färber | * You should have received a copy of the GNU Lesser General Public
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18 | 25ebd80f | Andreas Färber | * License along with this library; if not, see
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19 | 25ebd80f | Andreas Färber | * <http://www.gnu.org/licenses/lgpl-2.1.html>
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20 | 25ebd80f | Andreas Färber | */
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21 | 25ebd80f | Andreas Färber | |
22 | 3993c6bd | Andreas Färber | #include "cpu.h" |
23 | 25ebd80f | Andreas Färber | #include "qemu-common.h" |
24 | fe31e737 | Andreas Färber | #include "migration/vmstate.h" |
25 | 25ebd80f | Andreas Färber | |
26 | 25ebd80f | Andreas Färber | |
27 | bd1b2828 | Andreas Färber | static void alpha_cpu_realizefn(DeviceState *dev, Error **errp) |
28 | 0c28246f | Andreas Färber | { |
29 | bd1b2828 | Andreas Färber | AlphaCPUClass *acc = ALPHA_CPU_GET_CLASS(dev); |
30 | 0c28246f | Andreas Färber | |
31 | bd1b2828 | Andreas Färber | acc->parent_realize(dev, errp); |
32 | 0c28246f | Andreas Färber | } |
33 | 0c28246f | Andreas Färber | |
34 | 494342b3 | Andreas Färber | /* Sort alphabetically by type name. */
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35 | 494342b3 | Andreas Färber | static gint alpha_cpu_list_compare(gconstpointer a, gconstpointer b)
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36 | 494342b3 | Andreas Färber | { |
37 | 494342b3 | Andreas Färber | ObjectClass *class_a = (ObjectClass *)a; |
38 | 494342b3 | Andreas Färber | ObjectClass *class_b = (ObjectClass *)b; |
39 | 494342b3 | Andreas Färber | const char *name_a, *name_b; |
40 | 494342b3 | Andreas Färber | |
41 | 494342b3 | Andreas Färber | name_a = object_class_get_name(class_a); |
42 | 494342b3 | Andreas Färber | name_b = object_class_get_name(class_b); |
43 | 494342b3 | Andreas Färber | return strcmp(name_a, name_b);
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44 | 494342b3 | Andreas Färber | } |
45 | 494342b3 | Andreas Färber | |
46 | 494342b3 | Andreas Färber | static void alpha_cpu_list_entry(gpointer data, gpointer user_data) |
47 | 494342b3 | Andreas Färber | { |
48 | 494342b3 | Andreas Färber | ObjectClass *oc = data; |
49 | 92a31361 | Andreas Färber | CPUListState *s = user_data; |
50 | 494342b3 | Andreas Färber | |
51 | 494342b3 | Andreas Färber | (*s->cpu_fprintf)(s->file, " %s\n",
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52 | 494342b3 | Andreas Färber | object_class_get_name(oc)); |
53 | 494342b3 | Andreas Färber | } |
54 | 494342b3 | Andreas Färber | |
55 | 494342b3 | Andreas Färber | void alpha_cpu_list(FILE *f, fprintf_function cpu_fprintf)
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56 | 494342b3 | Andreas Färber | { |
57 | 92a31361 | Andreas Färber | CPUListState s = { |
58 | 494342b3 | Andreas Färber | .file = f, |
59 | 494342b3 | Andreas Färber | .cpu_fprintf = cpu_fprintf, |
60 | 494342b3 | Andreas Färber | }; |
61 | 494342b3 | Andreas Färber | GSList *list; |
62 | 494342b3 | Andreas Färber | |
63 | 494342b3 | Andreas Färber | list = object_class_get_list(TYPE_ALPHA_CPU, false);
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64 | 494342b3 | Andreas Färber | list = g_slist_sort(list, alpha_cpu_list_compare); |
65 | 494342b3 | Andreas Färber | (*cpu_fprintf)(f, "Available CPUs:\n");
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66 | 494342b3 | Andreas Färber | g_slist_foreach(list, alpha_cpu_list_entry, &s); |
67 | 494342b3 | Andreas Färber | g_slist_free(list); |
68 | 494342b3 | Andreas Färber | } |
69 | 494342b3 | Andreas Färber | |
70 | 0c28246f | Andreas Färber | /* Models */
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71 | 0c28246f | Andreas Färber | |
72 | 0c28246f | Andreas Färber | #define TYPE(model) model "-" TYPE_ALPHA_CPU |
73 | 0c28246f | Andreas Färber | |
74 | 0c28246f | Andreas Färber | typedef struct AlphaCPUAlias { |
75 | 0c28246f | Andreas Färber | const char *alias; |
76 | 0c28246f | Andreas Färber | const char *typename; |
77 | 0c28246f | Andreas Färber | } AlphaCPUAlias; |
78 | 0c28246f | Andreas Färber | |
79 | 0c28246f | Andreas Färber | static const AlphaCPUAlias alpha_cpu_aliases[] = { |
80 | 0c28246f | Andreas Färber | { "21064", TYPE("ev4") }, |
81 | 0c28246f | Andreas Färber | { "21164", TYPE("ev5") }, |
82 | 0c28246f | Andreas Färber | { "21164a", TYPE("ev56") }, |
83 | 0c28246f | Andreas Färber | { "21164pc", TYPE("pca56") }, |
84 | 0c28246f | Andreas Färber | { "21264", TYPE("ev6") }, |
85 | 0c28246f | Andreas Färber | { "21264a", TYPE("ev67") }, |
86 | 0c28246f | Andreas Färber | }; |
87 | 0c28246f | Andreas Färber | |
88 | 0c28246f | Andreas Färber | static ObjectClass *alpha_cpu_class_by_name(const char *cpu_model) |
89 | 0c28246f | Andreas Färber | { |
90 | 0c28246f | Andreas Färber | ObjectClass *oc = NULL;
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91 | 0c28246f | Andreas Färber | char *typename;
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92 | 0c28246f | Andreas Färber | int i;
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93 | 0c28246f | Andreas Färber | |
94 | 0c28246f | Andreas Färber | if (cpu_model == NULL) { |
95 | 0c28246f | Andreas Färber | return NULL; |
96 | 0c28246f | Andreas Färber | } |
97 | 0c28246f | Andreas Färber | |
98 | 0c28246f | Andreas Färber | oc = object_class_by_name(cpu_model); |
99 | a120c287 | Andreas Färber | if (oc != NULL && object_class_dynamic_cast(oc, TYPE_ALPHA_CPU) != NULL && |
100 | a120c287 | Andreas Färber | !object_class_is_abstract(oc)) { |
101 | 0c28246f | Andreas Färber | return oc;
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102 | 0c28246f | Andreas Färber | } |
103 | 0c28246f | Andreas Färber | |
104 | 0c28246f | Andreas Färber | for (i = 0; i < ARRAY_SIZE(alpha_cpu_aliases); i++) { |
105 | 0c28246f | Andreas Färber | if (strcmp(cpu_model, alpha_cpu_aliases[i].alias) == 0) { |
106 | 0c28246f | Andreas Färber | oc = object_class_by_name(alpha_cpu_aliases[i].typename); |
107 | a120c287 | Andreas Färber | assert(oc != NULL && !object_class_is_abstract(oc));
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108 | 0c28246f | Andreas Färber | return oc;
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109 | 0c28246f | Andreas Färber | } |
110 | 0c28246f | Andreas Färber | } |
111 | 0c28246f | Andreas Färber | |
112 | 0c28246f | Andreas Färber | typename = g_strdup_printf("%s-" TYPE_ALPHA_CPU, cpu_model);
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113 | 0c28246f | Andreas Färber | oc = object_class_by_name(typename); |
114 | 0c28246f | Andreas Färber | g_free(typename); |
115 | a120c287 | Andreas Färber | if (oc != NULL && object_class_is_abstract(oc)) { |
116 | a120c287 | Andreas Färber | oc = NULL;
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117 | a120c287 | Andreas Färber | } |
118 | 0c28246f | Andreas Färber | return oc;
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119 | 0c28246f | Andreas Färber | } |
120 | 0c28246f | Andreas Färber | |
121 | 0c28246f | Andreas Färber | AlphaCPU *cpu_alpha_init(const char *cpu_model) |
122 | 0c28246f | Andreas Färber | { |
123 | 0c28246f | Andreas Färber | AlphaCPU *cpu; |
124 | 0c28246f | Andreas Färber | CPUAlphaState *env; |
125 | 0c28246f | Andreas Färber | ObjectClass *cpu_class; |
126 | 0c28246f | Andreas Färber | |
127 | 0c28246f | Andreas Färber | cpu_class = alpha_cpu_class_by_name(cpu_model); |
128 | 0c28246f | Andreas Färber | if (cpu_class == NULL) { |
129 | 0c28246f | Andreas Färber | /* Default to ev67; no reason not to emulate insns by default. */
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130 | 0c28246f | Andreas Färber | cpu_class = object_class_by_name(TYPE("ev67"));
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131 | 0c28246f | Andreas Färber | } |
132 | 0c28246f | Andreas Färber | cpu = ALPHA_CPU(object_new(object_class_get_name(cpu_class))); |
133 | 0c28246f | Andreas Färber | env = &cpu->env; |
134 | 0c28246f | Andreas Färber | |
135 | 0c28246f | Andreas Färber | env->cpu_model_str = cpu_model; |
136 | 0c28246f | Andreas Färber | |
137 | bd1b2828 | Andreas Färber | object_property_set_bool(OBJECT(cpu), true, "realized", NULL); |
138 | bd1b2828 | Andreas Färber | |
139 | 0c28246f | Andreas Färber | return cpu;
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140 | 0c28246f | Andreas Färber | } |
141 | 0c28246f | Andreas Färber | |
142 | 0c28246f | Andreas Färber | static void ev4_cpu_initfn(Object *obj) |
143 | 0c28246f | Andreas Färber | { |
144 | 0c28246f | Andreas Färber | AlphaCPU *cpu = ALPHA_CPU(obj); |
145 | 0c28246f | Andreas Färber | CPUAlphaState *env = &cpu->env; |
146 | 0c28246f | Andreas Färber | |
147 | 0c28246f | Andreas Färber | env->implver = IMPLVER_2106x; |
148 | 0c28246f | Andreas Färber | } |
149 | 0c28246f | Andreas Färber | |
150 | 0c28246f | Andreas Färber | static const TypeInfo ev4_cpu_type_info = { |
151 | 0c28246f | Andreas Färber | .name = TYPE("ev4"),
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152 | 0c28246f | Andreas Färber | .parent = TYPE_ALPHA_CPU, |
153 | 0c28246f | Andreas Färber | .instance_init = ev4_cpu_initfn, |
154 | 0c28246f | Andreas Färber | }; |
155 | 0c28246f | Andreas Färber | |
156 | 0c28246f | Andreas Färber | static void ev5_cpu_initfn(Object *obj) |
157 | 0c28246f | Andreas Färber | { |
158 | 0c28246f | Andreas Färber | AlphaCPU *cpu = ALPHA_CPU(obj); |
159 | 0c28246f | Andreas Färber | CPUAlphaState *env = &cpu->env; |
160 | 0c28246f | Andreas Färber | |
161 | 0c28246f | Andreas Färber | env->implver = IMPLVER_21164; |
162 | 0c28246f | Andreas Färber | } |
163 | 0c28246f | Andreas Färber | |
164 | 0c28246f | Andreas Färber | static const TypeInfo ev5_cpu_type_info = { |
165 | 0c28246f | Andreas Färber | .name = TYPE("ev5"),
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166 | 0c28246f | Andreas Färber | .parent = TYPE_ALPHA_CPU, |
167 | 0c28246f | Andreas Färber | .instance_init = ev5_cpu_initfn, |
168 | 0c28246f | Andreas Färber | }; |
169 | 0c28246f | Andreas Färber | |
170 | 0c28246f | Andreas Färber | static void ev56_cpu_initfn(Object *obj) |
171 | 0c28246f | Andreas Färber | { |
172 | 0c28246f | Andreas Färber | AlphaCPU *cpu = ALPHA_CPU(obj); |
173 | 0c28246f | Andreas Färber | CPUAlphaState *env = &cpu->env; |
174 | 0c28246f | Andreas Färber | |
175 | 0c28246f | Andreas Färber | env->amask |= AMASK_BWX; |
176 | 0c28246f | Andreas Färber | } |
177 | 0c28246f | Andreas Färber | |
178 | 0c28246f | Andreas Färber | static const TypeInfo ev56_cpu_type_info = { |
179 | 0c28246f | Andreas Färber | .name = TYPE("ev56"),
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180 | 0c28246f | Andreas Färber | .parent = TYPE("ev5"),
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181 | 0c28246f | Andreas Färber | .instance_init = ev56_cpu_initfn, |
182 | 0c28246f | Andreas Färber | }; |
183 | 0c28246f | Andreas Färber | |
184 | 0c28246f | Andreas Färber | static void pca56_cpu_initfn(Object *obj) |
185 | 0c28246f | Andreas Färber | { |
186 | 0c28246f | Andreas Färber | AlphaCPU *cpu = ALPHA_CPU(obj); |
187 | 0c28246f | Andreas Färber | CPUAlphaState *env = &cpu->env; |
188 | 0c28246f | Andreas Färber | |
189 | 0c28246f | Andreas Färber | env->amask |= AMASK_MVI; |
190 | 0c28246f | Andreas Färber | } |
191 | 0c28246f | Andreas Färber | |
192 | 0c28246f | Andreas Färber | static const TypeInfo pca56_cpu_type_info = { |
193 | 0c28246f | Andreas Färber | .name = TYPE("pca56"),
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194 | 0c28246f | Andreas Färber | .parent = TYPE("ev56"),
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195 | 0c28246f | Andreas Färber | .instance_init = pca56_cpu_initfn, |
196 | 0c28246f | Andreas Färber | }; |
197 | 0c28246f | Andreas Färber | |
198 | 0c28246f | Andreas Färber | static void ev6_cpu_initfn(Object *obj) |
199 | 0c28246f | Andreas Färber | { |
200 | 0c28246f | Andreas Färber | AlphaCPU *cpu = ALPHA_CPU(obj); |
201 | 0c28246f | Andreas Färber | CPUAlphaState *env = &cpu->env; |
202 | 0c28246f | Andreas Färber | |
203 | 0c28246f | Andreas Färber | env->implver = IMPLVER_21264; |
204 | 0c28246f | Andreas Färber | env->amask = AMASK_BWX | AMASK_FIX | AMASK_MVI | AMASK_TRAP; |
205 | 0c28246f | Andreas Färber | } |
206 | 0c28246f | Andreas Färber | |
207 | 0c28246f | Andreas Färber | static const TypeInfo ev6_cpu_type_info = { |
208 | 0c28246f | Andreas Färber | .name = TYPE("ev6"),
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209 | 0c28246f | Andreas Färber | .parent = TYPE_ALPHA_CPU, |
210 | 0c28246f | Andreas Färber | .instance_init = ev6_cpu_initfn, |
211 | 0c28246f | Andreas Färber | }; |
212 | 0c28246f | Andreas Färber | |
213 | 0c28246f | Andreas Färber | static void ev67_cpu_initfn(Object *obj) |
214 | 0c28246f | Andreas Färber | { |
215 | 0c28246f | Andreas Färber | AlphaCPU *cpu = ALPHA_CPU(obj); |
216 | 0c28246f | Andreas Färber | CPUAlphaState *env = &cpu->env; |
217 | 0c28246f | Andreas Färber | |
218 | 0c28246f | Andreas Färber | env->amask |= AMASK_CIX | AMASK_PREFETCH; |
219 | 0c28246f | Andreas Färber | } |
220 | 0c28246f | Andreas Färber | |
221 | 0c28246f | Andreas Färber | static const TypeInfo ev67_cpu_type_info = { |
222 | 0c28246f | Andreas Färber | .name = TYPE("ev67"),
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223 | 0c28246f | Andreas Färber | .parent = TYPE("ev6"),
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224 | 0c28246f | Andreas Färber | .instance_init = ev67_cpu_initfn, |
225 | 0c28246f | Andreas Färber | }; |
226 | 0c28246f | Andreas Färber | |
227 | 0c28246f | Andreas Färber | static const TypeInfo ev68_cpu_type_info = { |
228 | 0c28246f | Andreas Färber | .name = TYPE("ev68"),
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229 | 0c28246f | Andreas Färber | .parent = TYPE("ev67"),
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230 | 0c28246f | Andreas Färber | }; |
231 | 0c28246f | Andreas Färber | |
232 | 9444006f | Andreas Färber | static void alpha_cpu_initfn(Object *obj) |
233 | 9444006f | Andreas Färber | { |
234 | c05efcb1 | Andreas Färber | CPUState *cs = CPU(obj); |
235 | 9444006f | Andreas Färber | AlphaCPU *cpu = ALPHA_CPU(obj); |
236 | 9444006f | Andreas Färber | CPUAlphaState *env = &cpu->env; |
237 | 9444006f | Andreas Färber | |
238 | c05efcb1 | Andreas Färber | cs->env_ptr = env; |
239 | 9444006f | Andreas Färber | cpu_exec_init(env); |
240 | 9444006f | Andreas Färber | tlb_flush(env, 1);
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241 | 9444006f | Andreas Färber | |
242 | 0c28246f | Andreas Färber | alpha_translate_init(); |
243 | 0c28246f | Andreas Färber | |
244 | 9444006f | Andreas Färber | #if defined(CONFIG_USER_ONLY)
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245 | 9444006f | Andreas Färber | env->ps = PS_USER_MODE; |
246 | 9444006f | Andreas Färber | cpu_alpha_store_fpcr(env, (FPCR_INVD | FPCR_DZED | FPCR_OVFD |
247 | 9444006f | Andreas Färber | | FPCR_UNFD | FPCR_INED | FPCR_DNOD |
248 | 9444006f | Andreas Färber | | FPCR_DYN_NORMAL)); |
249 | 9444006f | Andreas Färber | #endif
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250 | 9444006f | Andreas Färber | env->lock_addr = -1;
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251 | 9444006f | Andreas Färber | env->fen = 1;
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252 | 9444006f | Andreas Färber | } |
253 | 9444006f | Andreas Färber | |
254 | 2b8c2754 | Andreas Färber | static void alpha_cpu_class_init(ObjectClass *oc, void *data) |
255 | 2b8c2754 | Andreas Färber | { |
256 | bd1b2828 | Andreas Färber | DeviceClass *dc = DEVICE_CLASS(oc); |
257 | 2b8c2754 | Andreas Färber | CPUClass *cc = CPU_CLASS(oc); |
258 | bd1b2828 | Andreas Färber | AlphaCPUClass *acc = ALPHA_CPU_CLASS(oc); |
259 | bd1b2828 | Andreas Färber | |
260 | bd1b2828 | Andreas Färber | acc->parent_realize = dc->realize; |
261 | bd1b2828 | Andreas Färber | dc->realize = alpha_cpu_realizefn; |
262 | 2b8c2754 | Andreas Färber | |
263 | 2b8c2754 | Andreas Färber | cc->class_by_name = alpha_cpu_class_by_name; |
264 | 97a8ea5a | Andreas Färber | cc->do_interrupt = alpha_cpu_do_interrupt; |
265 | 878096ee | Andreas Färber | cc->dump_state = alpha_cpu_dump_state; |
266 | c658b94f | Andreas Färber | cpu_class_set_do_unassigned_access(cc, alpha_cpu_unassigned_access); |
267 | fe31e737 | Andreas Färber | device_class_set_vmsd(dc, &vmstate_alpha_cpu); |
268 | 2b8c2754 | Andreas Färber | } |
269 | 2b8c2754 | Andreas Färber | |
270 | 25ebd80f | Andreas Färber | static const TypeInfo alpha_cpu_type_info = { |
271 | 25ebd80f | Andreas Färber | .name = TYPE_ALPHA_CPU, |
272 | 25ebd80f | Andreas Färber | .parent = TYPE_CPU, |
273 | 25ebd80f | Andreas Färber | .instance_size = sizeof(AlphaCPU),
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274 | 9444006f | Andreas Färber | .instance_init = alpha_cpu_initfn, |
275 | 0c28246f | Andreas Färber | .abstract = true,
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276 | 25ebd80f | Andreas Färber | .class_size = sizeof(AlphaCPUClass),
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277 | 2b8c2754 | Andreas Färber | .class_init = alpha_cpu_class_init, |
278 | 25ebd80f | Andreas Färber | }; |
279 | 25ebd80f | Andreas Färber | |
280 | 25ebd80f | Andreas Färber | static void alpha_cpu_register_types(void) |
281 | 25ebd80f | Andreas Färber | { |
282 | 25ebd80f | Andreas Färber | type_register_static(&alpha_cpu_type_info); |
283 | 0c28246f | Andreas Färber | type_register_static(&ev4_cpu_type_info); |
284 | 0c28246f | Andreas Färber | type_register_static(&ev5_cpu_type_info); |
285 | 0c28246f | Andreas Färber | type_register_static(&ev56_cpu_type_info); |
286 | 0c28246f | Andreas Färber | type_register_static(&pca56_cpu_type_info); |
287 | 0c28246f | Andreas Färber | type_register_static(&ev6_cpu_type_info); |
288 | 0c28246f | Andreas Färber | type_register_static(&ev67_cpu_type_info); |
289 | 0c28246f | Andreas Färber | type_register_static(&ev68_cpu_type_info); |
290 | 25ebd80f | Andreas Färber | } |
291 | 25ebd80f | Andreas Färber | |
292 | 25ebd80f | Andreas Färber | type_init(alpha_cpu_register_types) |