4 * Copyright (c) 2008 AXIS Communications AB
5 * Written by Edgar E. Iglesias.
7 * Copyright (c) 2012 SUSE LINUX Products GmbH
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, see
21 * <http://www.gnu.org/licenses/lgpl-2.1.html>
24 #include "qemu/osdep.h"
25 #include "qapi/error.h"
26 #include "qemu/qemu-print.h"
31 static void cris_cpu_set_pc(CPUState
*cs
, vaddr value
)
33 CRISCPU
*cpu
= CRIS_CPU(cs
);
38 static bool cris_cpu_has_work(CPUState
*cs
)
40 return cs
->interrupt_request
& (CPU_INTERRUPT_HARD
| CPU_INTERRUPT_NMI
);
43 static void cris_cpu_reset(DeviceState
*dev
)
45 CPUState
*s
= CPU(dev
);
46 CRISCPU
*cpu
= CRIS_CPU(s
);
47 CRISCPUClass
*ccc
= CRIS_CPU_GET_CLASS(cpu
);
48 CPUCRISState
*env
= &cpu
->env
;
51 ccc
->parent_reset(dev
);
53 vr
= env
->pregs
[PR_VR
];
54 memset(env
, 0, offsetof(CPUCRISState
, end_reset_fields
));
55 env
->pregs
[PR_VR
] = vr
;
57 #if defined(CONFIG_USER_ONLY)
58 /* start in user mode with interrupts enabled. */
59 env
->pregs
[PR_CCS
] |= U_FLAG
| I_FLAG
| P_FLAG
;
62 env
->pregs
[PR_CCS
] = 0;
66 static ObjectClass
*cris_cpu_class_by_name(const char *cpu_model
)
71 #if defined(CONFIG_USER_ONLY)
72 if (strcasecmp(cpu_model
, "any") == 0) {
73 return object_class_by_name(CRIS_CPU_TYPE_NAME("crisv32"));
77 typename
= g_strdup_printf(CRIS_CPU_TYPE_NAME("%s"), cpu_model
);
78 oc
= object_class_by_name(typename
);
80 if (oc
!= NULL
&& (!object_class_dynamic_cast(oc
, TYPE_CRIS_CPU
) ||
81 object_class_is_abstract(oc
))) {
87 /* Sort alphabetically by VR. */
88 static gint
cris_cpu_list_compare(gconstpointer a
, gconstpointer b
)
90 CRISCPUClass
*ccc_a
= CRIS_CPU_CLASS(a
);
91 CRISCPUClass
*ccc_b
= CRIS_CPU_CLASS(b
);
94 if (ccc_a
->vr
> ccc_b
->vr
) {
96 } else if (ccc_a
->vr
< ccc_b
->vr
) {
103 static void cris_cpu_list_entry(gpointer data
, gpointer user_data
)
105 ObjectClass
*oc
= data
;
106 const char *typename
= object_class_get_name(oc
);
109 name
= g_strndup(typename
, strlen(typename
) - strlen(CRIS_CPU_TYPE_SUFFIX
));
110 qemu_printf(" %s\n", name
);
114 void cris_cpu_list(void)
118 list
= object_class_get_list(TYPE_CRIS_CPU
, false);
119 list
= g_slist_sort(list
, cris_cpu_list_compare
);
120 qemu_printf("Available CPUs:\n");
121 g_slist_foreach(list
, cris_cpu_list_entry
, NULL
);
125 static void cris_cpu_realizefn(DeviceState
*dev
, Error
**errp
)
127 CPUState
*cs
= CPU(dev
);
128 CRISCPUClass
*ccc
= CRIS_CPU_GET_CLASS(dev
);
129 Error
*local_err
= NULL
;
131 cpu_exec_realizefn(cs
, &local_err
);
132 if (local_err
!= NULL
) {
133 error_propagate(errp
, local_err
);
140 ccc
->parent_realize(dev
, errp
);
143 #ifndef CONFIG_USER_ONLY
144 static void cris_cpu_set_irq(void *opaque
, int irq
, int level
)
146 CRISCPU
*cpu
= opaque
;
147 CPUState
*cs
= CPU(cpu
);
148 int type
= irq
== CRIS_CPU_IRQ
? CPU_INTERRUPT_HARD
: CPU_INTERRUPT_NMI
;
150 if (irq
== CRIS_CPU_IRQ
) {
152 * The PIC passes us the vector for the IRQ as the value it sends
153 * over the qemu_irq line
155 cpu
->env
.interrupt_vector
= level
;
159 cpu_interrupt(cs
, type
);
161 cpu_reset_interrupt(cs
, type
);
166 static void cris_disas_set_info(CPUState
*cpu
, disassemble_info
*info
)
168 CRISCPU
*cc
= CRIS_CPU(cpu
);
169 CPUCRISState
*env
= &cc
->env
;
171 if (env
->pregs
[PR_VR
] != 32) {
172 info
->mach
= bfd_mach_cris_v0_v10
;
173 info
->print_insn
= print_insn_crisv10
;
175 info
->mach
= bfd_mach_cris_v32
;
176 info
->print_insn
= print_insn_crisv32
;
180 static void cris_cpu_initfn(Object
*obj
)
182 CRISCPU
*cpu
= CRIS_CPU(obj
);
183 CRISCPUClass
*ccc
= CRIS_CPU_GET_CLASS(obj
);
184 CPUCRISState
*env
= &cpu
->env
;
186 cpu_set_cpustate_pointers(cpu
);
188 env
->pregs
[PR_VR
] = ccc
->vr
;
190 #ifndef CONFIG_USER_ONLY
191 /* IRQ and NMI lines. */
192 qdev_init_gpio_in(DEVICE(cpu
), cris_cpu_set_irq
, 2);
196 #ifndef CONFIG_USER_ONLY
197 #include "hw/core/sysemu-cpu-ops.h"
199 static const struct SysemuCPUOps cris_sysemu_ops
= {
200 .get_phys_page_debug
= cris_cpu_get_phys_page_debug
,
204 #include "hw/core/tcg-cpu-ops.h"
206 static const struct TCGCPUOps crisv10_tcg_ops
= {
207 .initialize
= cris_initialize_crisv10_tcg
,
208 .cpu_exec_interrupt
= cris_cpu_exec_interrupt
,
209 .tlb_fill
= cris_cpu_tlb_fill
,
211 #ifndef CONFIG_USER_ONLY
212 .do_interrupt
= crisv10_cpu_do_interrupt
,
213 #endif /* !CONFIG_USER_ONLY */
216 static const struct TCGCPUOps crisv32_tcg_ops
= {
217 .initialize
= cris_initialize_tcg
,
218 .cpu_exec_interrupt
= cris_cpu_exec_interrupt
,
219 .tlb_fill
= cris_cpu_tlb_fill
,
221 #ifndef CONFIG_USER_ONLY
222 .do_interrupt
= cris_cpu_do_interrupt
,
223 #endif /* !CONFIG_USER_ONLY */
226 static void crisv8_cpu_class_init(ObjectClass
*oc
, void *data
)
228 CPUClass
*cc
= CPU_CLASS(oc
);
229 CRISCPUClass
*ccc
= CRIS_CPU_CLASS(oc
);
232 cc
->gdb_read_register
= crisv10_cpu_gdb_read_register
;
233 cc
->tcg_ops
= &crisv10_tcg_ops
;
236 static void crisv9_cpu_class_init(ObjectClass
*oc
, void *data
)
238 CPUClass
*cc
= CPU_CLASS(oc
);
239 CRISCPUClass
*ccc
= CRIS_CPU_CLASS(oc
);
242 cc
->gdb_read_register
= crisv10_cpu_gdb_read_register
;
243 cc
->tcg_ops
= &crisv10_tcg_ops
;
246 static void crisv10_cpu_class_init(ObjectClass
*oc
, void *data
)
248 CPUClass
*cc
= CPU_CLASS(oc
);
249 CRISCPUClass
*ccc
= CRIS_CPU_CLASS(oc
);
252 cc
->gdb_read_register
= crisv10_cpu_gdb_read_register
;
253 cc
->tcg_ops
= &crisv10_tcg_ops
;
256 static void crisv11_cpu_class_init(ObjectClass
*oc
, void *data
)
258 CPUClass
*cc
= CPU_CLASS(oc
);
259 CRISCPUClass
*ccc
= CRIS_CPU_CLASS(oc
);
262 cc
->gdb_read_register
= crisv10_cpu_gdb_read_register
;
263 cc
->tcg_ops
= &crisv10_tcg_ops
;
266 static void crisv17_cpu_class_init(ObjectClass
*oc
, void *data
)
268 CPUClass
*cc
= CPU_CLASS(oc
);
269 CRISCPUClass
*ccc
= CRIS_CPU_CLASS(oc
);
272 cc
->gdb_read_register
= crisv10_cpu_gdb_read_register
;
273 cc
->tcg_ops
= &crisv10_tcg_ops
;
276 static void crisv32_cpu_class_init(ObjectClass
*oc
, void *data
)
278 CPUClass
*cc
= CPU_CLASS(oc
);
279 CRISCPUClass
*ccc
= CRIS_CPU_CLASS(oc
);
282 cc
->tcg_ops
= &crisv32_tcg_ops
;
285 static void cris_cpu_class_init(ObjectClass
*oc
, void *data
)
287 DeviceClass
*dc
= DEVICE_CLASS(oc
);
288 CPUClass
*cc
= CPU_CLASS(oc
);
289 CRISCPUClass
*ccc
= CRIS_CPU_CLASS(oc
);
291 device_class_set_parent_realize(dc
, cris_cpu_realizefn
,
292 &ccc
->parent_realize
);
294 device_class_set_parent_reset(dc
, cris_cpu_reset
, &ccc
->parent_reset
);
296 cc
->class_by_name
= cris_cpu_class_by_name
;
297 cc
->has_work
= cris_cpu_has_work
;
298 cc
->dump_state
= cris_cpu_dump_state
;
299 cc
->set_pc
= cris_cpu_set_pc
;
300 cc
->gdb_read_register
= cris_cpu_gdb_read_register
;
301 cc
->gdb_write_register
= cris_cpu_gdb_write_register
;
302 #ifndef CONFIG_USER_ONLY
303 dc
->vmsd
= &vmstate_cris_cpu
;
304 cc
->sysemu_ops
= &cris_sysemu_ops
;
307 cc
->gdb_num_core_regs
= 49;
308 cc
->gdb_stop_before_watchpoint
= true;
310 cc
->disas_set_info
= cris_disas_set_info
;
313 #define DEFINE_CRIS_CPU_TYPE(cpu_model, initfn) \
315 .parent = TYPE_CRIS_CPU, \
316 .class_init = initfn, \
317 .name = CRIS_CPU_TYPE_NAME(cpu_model), \
320 static const TypeInfo cris_cpu_model_type_infos
[] = {
322 .name
= TYPE_CRIS_CPU
,
324 .instance_size
= sizeof(CRISCPU
),
325 .instance_init
= cris_cpu_initfn
,
327 .class_size
= sizeof(CRISCPUClass
),
328 .class_init
= cris_cpu_class_init
,
330 DEFINE_CRIS_CPU_TYPE("crisv8", crisv8_cpu_class_init
),
331 DEFINE_CRIS_CPU_TYPE("crisv9", crisv9_cpu_class_init
),
332 DEFINE_CRIS_CPU_TYPE("crisv10", crisv10_cpu_class_init
),
333 DEFINE_CRIS_CPU_TYPE("crisv11", crisv11_cpu_class_init
),
334 DEFINE_CRIS_CPU_TYPE("crisv17", crisv17_cpu_class_init
),
335 DEFINE_CRIS_CPU_TYPE("crisv32", crisv32_cpu_class_init
),
338 DEFINE_TYPES(cris_cpu_model_type_infos
)