xref: /qemu/hw/misc/macio/cuda.c (revision 60d3af55)
1 /*
2  * QEMU PowerMac CUDA device support
3  *
4  * Copyright (c) 2004-2007 Fabrice Bellard
5  * Copyright (c) 2007 Jocelyn Mayer
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-common.h"
28 #include "hw/ppc/mac.h"
29 #include "hw/qdev-properties.h"
30 #include "migration/vmstate.h"
31 #include "hw/input/adb.h"
32 #include "hw/misc/mos6522.h"
33 #include "hw/misc/macio/cuda.h"
34 #include "qemu/timer.h"
35 #include "sysemu/runstate.h"
36 #include "qemu/cutils.h"
37 #include "qemu/log.h"
38 #include "qemu/module.h"
39 #include "trace.h"
40 
41 /* Bits in B data register: all active low */
42 #define TREQ            0x08    /* Transfer request (input) */
43 #define TACK            0x10    /* Transfer acknowledge (output) */
44 #define TIP             0x20    /* Transfer in progress (output) */
45 
46 /* commands (1st byte) */
47 #define ADB_PACKET      0
48 #define CUDA_PACKET     1
49 #define ERROR_PACKET    2
50 #define TIMER_PACKET    3
51 #define POWER_PACKET    4
52 #define MACIIC_PACKET   5
53 #define PMU_PACKET      6
54 
55 #define CUDA_TIMER_FREQ (4700000 / 6)
56 
57 /* CUDA returns time_t's offset from Jan 1, 1904, not 1970 */
58 #define RTC_OFFSET                      2082844800
59 
60 static void cuda_receive_packet_from_host(CUDAState *s,
61                                           const uint8_t *data, int len);
62 
63 /* MacOS uses timer 1 for calibration on startup, so we use
64  * the timebase frequency and cuda_get_counter_value() with
65  * cuda_get_load_time() to steer MacOS to calculate calibrate its timers
66  * correctly for both TCG and KVM (see commit b981289c49 "PPC: Cuda: Use cuda
67  * timer to expose tbfreq to guest" for more information) */
68 
69 static uint64_t cuda_get_counter_value(MOS6522State *s, MOS6522Timer *ti)
70 {
71     MOS6522CUDAState *mcs = container_of(s, MOS6522CUDAState, parent_obj);
72     CUDAState *cs = container_of(mcs, CUDAState, mos6522_cuda);
73 
74     /* Reverse of the tb calculation algorithm that Mac OS X uses on bootup */
75     uint64_t tb_diff = muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL),
76                                 cs->tb_frequency, NANOSECONDS_PER_SECOND) -
77                            ti->load_time;
78 
79     return (tb_diff * 0xBF401675E5DULL) / (cs->tb_frequency << 24);
80 }
81 
82 static uint64_t cuda_get_load_time(MOS6522State *s, MOS6522Timer *ti)
83 {
84     MOS6522CUDAState *mcs = container_of(s, MOS6522CUDAState, parent_obj);
85     CUDAState *cs = container_of(mcs, CUDAState, mos6522_cuda);
86 
87     uint64_t load_time = muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL),
88                                   cs->tb_frequency, NANOSECONDS_PER_SECOND);
89     return load_time;
90 }
91 
92 static void cuda_set_sr_int(void *opaque)
93 {
94     CUDAState *s = opaque;
95     MOS6522CUDAState *mcs = &s->mos6522_cuda;
96     MOS6522State *ms = MOS6522(mcs);
97     MOS6522DeviceClass *mdc = MOS6522_DEVICE_GET_CLASS(ms);
98 
99     mdc->set_sr_int(ms);
100 }
101 
102 static void cuda_delay_set_sr_int(CUDAState *s)
103 {
104     int64_t expire;
105 
106     trace_cuda_delay_set_sr_int();
107 
108     expire = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + s->sr_delay_ns;
109     timer_mod(s->sr_delay_timer, expire);
110 }
111 
112 /* NOTE: TIP and TREQ are negated */
113 static void cuda_update(CUDAState *s)
114 {
115     MOS6522CUDAState *mcs = &s->mos6522_cuda;
116     MOS6522State *ms = MOS6522(mcs);
117     int packet_received, len;
118 
119     packet_received = 0;
120     if (!(ms->b & TIP)) {
121         /* transfer requested from host */
122 
123         if (ms->acr & SR_OUT) {
124             /* data output */
125             if ((ms->b & (TACK | TIP)) != (s->last_b & (TACK | TIP))) {
126                 if (s->data_out_index < sizeof(s->data_out)) {
127                     trace_cuda_data_send(ms->sr);
128                     s->data_out[s->data_out_index++] = ms->sr;
129                     cuda_delay_set_sr_int(s);
130                 }
131             }
132         } else {
133             if (s->data_in_index < s->data_in_size) {
134                 /* data input */
135                 if ((ms->b & (TACK | TIP)) != (s->last_b & (TACK | TIP))) {
136                     ms->sr = s->data_in[s->data_in_index++];
137                     trace_cuda_data_recv(ms->sr);
138                     /* indicate end of transfer */
139                     if (s->data_in_index >= s->data_in_size) {
140                         ms->b = (ms->b | TREQ);
141                     }
142                     cuda_delay_set_sr_int(s);
143                 }
144             }
145         }
146     } else {
147         /* no transfer requested: handle sync case */
148         if ((s->last_b & TIP) && (ms->b & TACK) != (s->last_b & TACK)) {
149             /* update TREQ state each time TACK change state */
150             if (ms->b & TACK) {
151                 ms->b = (ms->b | TREQ);
152             } else {
153                 ms->b = (ms->b & ~TREQ);
154             }
155             cuda_delay_set_sr_int(s);
156         } else {
157             if (!(s->last_b & TIP)) {
158                 /* handle end of host to cuda transfer */
159                 packet_received = (s->data_out_index > 0);
160                 /* always an IRQ at the end of transfer */
161                 cuda_delay_set_sr_int(s);
162             }
163             /* signal if there is data to read */
164             if (s->data_in_index < s->data_in_size) {
165                 ms->b = (ms->b & ~TREQ);
166             }
167         }
168     }
169 
170     s->last_acr = ms->acr;
171     s->last_b = ms->b;
172 
173     /* NOTE: cuda_receive_packet_from_host() can call cuda_update()
174        recursively */
175     if (packet_received) {
176         len = s->data_out_index;
177         s->data_out_index = 0;
178         cuda_receive_packet_from_host(s, s->data_out, len);
179     }
180 }
181 
182 static void cuda_send_packet_to_host(CUDAState *s,
183                                      const uint8_t *data, int len)
184 {
185     int i;
186 
187     trace_cuda_packet_send(len);
188     for (i = 0; i < len; i++) {
189         trace_cuda_packet_send_data(i, data[i]);
190     }
191 
192     memcpy(s->data_in, data, len);
193     s->data_in_size = len;
194     s->data_in_index = 0;
195     cuda_update(s);
196     cuda_delay_set_sr_int(s);
197 }
198 
199 static void cuda_adb_poll(void *opaque)
200 {
201     CUDAState *s = opaque;
202     uint8_t obuf[ADB_MAX_OUT_LEN + 2];
203     int olen;
204 
205     olen = adb_poll(&s->adb_bus, obuf + 2, s->adb_poll_mask);
206     if (olen > 0) {
207         obuf[0] = ADB_PACKET;
208         obuf[1] = 0x40; /* polled data */
209         cuda_send_packet_to_host(s, obuf, olen + 2);
210     }
211     timer_mod(s->adb_poll_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
212               (NANOSECONDS_PER_SECOND / (1000 / s->autopoll_rate_ms)));
213 }
214 
215 /* description of commands */
216 typedef struct CudaCommand {
217     uint8_t command;
218     const char *name;
219     bool (*handler)(CUDAState *s,
220                     const uint8_t *in_args, int in_len,
221                     uint8_t *out_args, int *out_len);
222 } CudaCommand;
223 
224 static bool cuda_cmd_autopoll(CUDAState *s,
225                               const uint8_t *in_data, int in_len,
226                               uint8_t *out_data, int *out_len)
227 {
228     int autopoll;
229 
230     if (in_len != 1) {
231         return false;
232     }
233 
234     autopoll = (in_data[0] != 0);
235     if (autopoll != s->autopoll) {
236         s->autopoll = autopoll;
237         if (autopoll) {
238             timer_mod(s->adb_poll_timer,
239                       qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
240                       (NANOSECONDS_PER_SECOND / (1000 / s->autopoll_rate_ms)));
241         } else {
242             timer_del(s->adb_poll_timer);
243         }
244     }
245     return true;
246 }
247 
248 static bool cuda_cmd_set_autorate(CUDAState *s,
249                                   const uint8_t *in_data, int in_len,
250                                   uint8_t *out_data, int *out_len)
251 {
252     if (in_len != 1) {
253         return false;
254     }
255 
256     /* we don't want a period of 0 ms */
257     /* FIXME: check what real hardware does */
258     if (in_data[0] == 0) {
259         return false;
260     }
261 
262     s->autopoll_rate_ms = in_data[0];
263     if (s->autopoll) {
264         timer_mod(s->adb_poll_timer,
265                   qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
266                   (NANOSECONDS_PER_SECOND / (1000 / s->autopoll_rate_ms)));
267     }
268     return true;
269 }
270 
271 static bool cuda_cmd_set_device_list(CUDAState *s,
272                                      const uint8_t *in_data, int in_len,
273                                      uint8_t *out_data, int *out_len)
274 {
275     if (in_len != 2) {
276         return false;
277     }
278 
279     s->adb_poll_mask = (((uint16_t)in_data[0]) << 8) | in_data[1];
280     return true;
281 }
282 
283 static bool cuda_cmd_powerdown(CUDAState *s,
284                                const uint8_t *in_data, int in_len,
285                                uint8_t *out_data, int *out_len)
286 {
287     if (in_len != 0) {
288         return false;
289     }
290 
291     qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN);
292     return true;
293 }
294 
295 static bool cuda_cmd_reset_system(CUDAState *s,
296                                   const uint8_t *in_data, int in_len,
297                                   uint8_t *out_data, int *out_len)
298 {
299     if (in_len != 0) {
300         return false;
301     }
302 
303     qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET);
304     return true;
305 }
306 
307 static bool cuda_cmd_set_file_server_flag(CUDAState *s,
308                                           const uint8_t *in_data, int in_len,
309                                           uint8_t *out_data, int *out_len)
310 {
311     if (in_len != 1) {
312         return false;
313     }
314 
315     qemu_log_mask(LOG_UNIMP,
316                   "CUDA: unimplemented command FILE_SERVER_FLAG %d\n",
317                   in_data[0]);
318     return true;
319 }
320 
321 static bool cuda_cmd_set_power_message(CUDAState *s,
322                                        const uint8_t *in_data, int in_len,
323                                        uint8_t *out_data, int *out_len)
324 {
325     if (in_len != 1) {
326         return false;
327     }
328 
329     qemu_log_mask(LOG_UNIMP,
330                   "CUDA: unimplemented command SET_POWER_MESSAGE %d\n",
331                   in_data[0]);
332     return true;
333 }
334 
335 static bool cuda_cmd_get_time(CUDAState *s,
336                               const uint8_t *in_data, int in_len,
337                               uint8_t *out_data, int *out_len)
338 {
339     uint32_t ti;
340 
341     if (in_len != 0) {
342         return false;
343     }
344 
345     ti = s->tick_offset + (qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL)
346                            / NANOSECONDS_PER_SECOND);
347     out_data[0] = ti >> 24;
348     out_data[1] = ti >> 16;
349     out_data[2] = ti >> 8;
350     out_data[3] = ti;
351     *out_len = 4;
352     return true;
353 }
354 
355 static bool cuda_cmd_set_time(CUDAState *s,
356                               const uint8_t *in_data, int in_len,
357                               uint8_t *out_data, int *out_len)
358 {
359     uint32_t ti;
360 
361     if (in_len != 4) {
362         return false;
363     }
364 
365     ti = (((uint32_t)in_data[0]) << 24) + (((uint32_t)in_data[1]) << 16)
366          + (((uint32_t)in_data[2]) << 8) + in_data[3];
367     s->tick_offset = ti - (qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL)
368                            / NANOSECONDS_PER_SECOND);
369     return true;
370 }
371 
372 static const CudaCommand handlers[] = {
373     { CUDA_AUTOPOLL, "AUTOPOLL", cuda_cmd_autopoll },
374     { CUDA_SET_AUTO_RATE, "SET_AUTO_RATE",  cuda_cmd_set_autorate },
375     { CUDA_SET_DEVICE_LIST, "SET_DEVICE_LIST", cuda_cmd_set_device_list },
376     { CUDA_POWERDOWN, "POWERDOWN", cuda_cmd_powerdown },
377     { CUDA_RESET_SYSTEM, "RESET_SYSTEM", cuda_cmd_reset_system },
378     { CUDA_FILE_SERVER_FLAG, "FILE_SERVER_FLAG",
379       cuda_cmd_set_file_server_flag },
380     { CUDA_SET_POWER_MESSAGES, "SET_POWER_MESSAGES",
381       cuda_cmd_set_power_message },
382     { CUDA_GET_TIME, "GET_TIME", cuda_cmd_get_time },
383     { CUDA_SET_TIME, "SET_TIME", cuda_cmd_set_time },
384 };
385 
386 static void cuda_receive_packet(CUDAState *s,
387                                 const uint8_t *data, int len)
388 {
389     uint8_t obuf[16] = { CUDA_PACKET, 0, data[0] };
390     int i, out_len = 0;
391 
392     for (i = 0; i < ARRAY_SIZE(handlers); i++) {
393         const CudaCommand *desc = &handlers[i];
394         if (desc->command == data[0]) {
395             trace_cuda_receive_packet_cmd(desc->name);
396             out_len = 0;
397             if (desc->handler(s, data + 1, len - 1, obuf + 3, &out_len)) {
398                 cuda_send_packet_to_host(s, obuf, 3 + out_len);
399             } else {
400                 qemu_log_mask(LOG_GUEST_ERROR,
401                               "CUDA: %s: wrong parameters %d\n",
402                               desc->name, len);
403                 obuf[0] = ERROR_PACKET;
404                 obuf[1] = 0x5; /* bad parameters */
405                 obuf[2] = CUDA_PACKET;
406                 obuf[3] = data[0];
407                 cuda_send_packet_to_host(s, obuf, 4);
408             }
409             return;
410         }
411     }
412 
413     qemu_log_mask(LOG_GUEST_ERROR, "CUDA: unknown command 0x%02x\n", data[0]);
414     obuf[0] = ERROR_PACKET;
415     obuf[1] = 0x2; /* unknown command */
416     obuf[2] = CUDA_PACKET;
417     obuf[3] = data[0];
418     cuda_send_packet_to_host(s, obuf, 4);
419 }
420 
421 static void cuda_receive_packet_from_host(CUDAState *s,
422                                           const uint8_t *data, int len)
423 {
424     int i;
425 
426     trace_cuda_packet_receive(len);
427     for (i = 0; i < len; i++) {
428         trace_cuda_packet_receive_data(i, data[i]);
429     }
430 
431     switch(data[0]) {
432     case ADB_PACKET:
433         {
434             uint8_t obuf[ADB_MAX_OUT_LEN + 3];
435             int olen;
436             olen = adb_request(&s->adb_bus, obuf + 2, data + 1, len - 1);
437             if (olen > 0) {
438                 obuf[0] = ADB_PACKET;
439                 obuf[1] = 0x00;
440                 cuda_send_packet_to_host(s, obuf, olen + 2);
441             } else {
442                 /* error */
443                 obuf[0] = ADB_PACKET;
444                 obuf[1] = -olen;
445                 obuf[2] = data[1];
446                 olen = 0;
447                 cuda_send_packet_to_host(s, obuf, olen + 3);
448             }
449         }
450         break;
451     case CUDA_PACKET:
452         cuda_receive_packet(s, data + 1, len - 1);
453         break;
454     }
455 }
456 
457 static uint64_t mos6522_cuda_read(void *opaque, hwaddr addr, unsigned size)
458 {
459     CUDAState *s = opaque;
460     MOS6522CUDAState *mcs = &s->mos6522_cuda;
461     MOS6522State *ms = MOS6522(mcs);
462 
463     addr = (addr >> 9) & 0xf;
464     return mos6522_read(ms, addr, size);
465 }
466 
467 static void mos6522_cuda_write(void *opaque, hwaddr addr, uint64_t val,
468                                unsigned size)
469 {
470     CUDAState *s = opaque;
471     MOS6522CUDAState *mcs = &s->mos6522_cuda;
472     MOS6522State *ms = MOS6522(mcs);
473 
474     addr = (addr >> 9) & 0xf;
475     mos6522_write(ms, addr, val, size);
476 }
477 
478 static const MemoryRegionOps mos6522_cuda_ops = {
479     .read = mos6522_cuda_read,
480     .write = mos6522_cuda_write,
481     .endianness = DEVICE_BIG_ENDIAN,
482     .valid = {
483         .min_access_size = 1,
484         .max_access_size = 1,
485     },
486 };
487 
488 static const VMStateDescription vmstate_cuda = {
489     .name = "cuda",
490     .version_id = 5,
491     .minimum_version_id = 5,
492     .fields = (VMStateField[]) {
493         VMSTATE_STRUCT(mos6522_cuda.parent_obj, CUDAState, 0, vmstate_mos6522,
494                        MOS6522State),
495         VMSTATE_UINT8(last_b, CUDAState),
496         VMSTATE_UINT8(last_acr, CUDAState),
497         VMSTATE_INT32(data_in_size, CUDAState),
498         VMSTATE_INT32(data_in_index, CUDAState),
499         VMSTATE_INT32(data_out_index, CUDAState),
500         VMSTATE_UINT8(autopoll, CUDAState),
501         VMSTATE_UINT8(autopoll_rate_ms, CUDAState),
502         VMSTATE_UINT16(adb_poll_mask, CUDAState),
503         VMSTATE_BUFFER(data_in, CUDAState),
504         VMSTATE_BUFFER(data_out, CUDAState),
505         VMSTATE_UINT32(tick_offset, CUDAState),
506         VMSTATE_TIMER_PTR(adb_poll_timer, CUDAState),
507         VMSTATE_TIMER_PTR(sr_delay_timer, CUDAState),
508         VMSTATE_END_OF_LIST()
509     }
510 };
511 
512 static void cuda_reset(DeviceState *dev)
513 {
514     CUDAState *s = CUDA(dev);
515 
516     s->data_in_size = 0;
517     s->data_in_index = 0;
518     s->data_out_index = 0;
519     s->autopoll = 0;
520 }
521 
522 static void cuda_realize(DeviceState *dev, Error **errp)
523 {
524     CUDAState *s = CUDA(dev);
525     SysBusDevice *sbd;
526     MOS6522State *ms;
527     DeviceState *d;
528     struct tm tm;
529 
530     /* Pass IRQ from 6522 */
531     d = DEVICE(&s->mos6522_cuda);
532     ms = MOS6522(d);
533     sbd = SYS_BUS_DEVICE(s);
534     sysbus_pass_irq(sbd, SYS_BUS_DEVICE(ms));
535 
536     qemu_get_timedate(&tm, 0);
537     s->tick_offset = (uint32_t)mktimegm(&tm) + RTC_OFFSET;
538 
539     s->sr_delay_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, cuda_set_sr_int, s);
540     s->sr_delay_ns = 20 * SCALE_US;
541 
542     s->adb_poll_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, cuda_adb_poll, s);
543     s->adb_poll_mask = 0xffff;
544     s->autopoll_rate_ms = 20;
545 }
546 
547 static void cuda_init(Object *obj)
548 {
549     CUDAState *s = CUDA(obj);
550     SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
551 
552     sysbus_init_child_obj(obj, "mos6522-cuda", &s->mos6522_cuda,
553                           sizeof(s->mos6522_cuda), TYPE_MOS6522_CUDA);
554 
555     memory_region_init_io(&s->mem, obj, &mos6522_cuda_ops, s, "cuda", 0x2000);
556     sysbus_init_mmio(sbd, &s->mem);
557 
558     qbus_create_inplace(&s->adb_bus, sizeof(s->adb_bus), TYPE_ADB_BUS,
559                         DEVICE(obj), "adb.0");
560 }
561 
562 static Property cuda_properties[] = {
563     DEFINE_PROP_UINT64("timebase-frequency", CUDAState, tb_frequency, 0),
564     DEFINE_PROP_END_OF_LIST()
565 };
566 
567 static void cuda_class_init(ObjectClass *oc, void *data)
568 {
569     DeviceClass *dc = DEVICE_CLASS(oc);
570 
571     dc->realize = cuda_realize;
572     dc->reset = cuda_reset;
573     dc->vmsd = &vmstate_cuda;
574     dc->props = cuda_properties;
575     set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
576 }
577 
578 static const TypeInfo cuda_type_info = {
579     .name = TYPE_CUDA,
580     .parent = TYPE_SYS_BUS_DEVICE,
581     .instance_size = sizeof(CUDAState),
582     .instance_init = cuda_init,
583     .class_init = cuda_class_init,
584 };
585 
586 static void mos6522_cuda_portB_write(MOS6522State *s)
587 {
588     MOS6522CUDAState *mcs = container_of(s, MOS6522CUDAState, parent_obj);
589     CUDAState *cs = container_of(mcs, CUDAState, mos6522_cuda);
590 
591     cuda_update(cs);
592 }
593 
594 static void mos6522_cuda_reset(DeviceState *dev)
595 {
596     MOS6522State *ms = MOS6522(dev);
597     MOS6522DeviceClass *mdc = MOS6522_DEVICE_GET_CLASS(ms);
598 
599     mdc->parent_reset(dev);
600 
601     ms->timers[0].frequency = CUDA_TIMER_FREQ;
602     ms->timers[1].frequency = (SCALE_US * 6000) / 4700;
603 }
604 
605 static void mos6522_cuda_class_init(ObjectClass *oc, void *data)
606 {
607     DeviceClass *dc = DEVICE_CLASS(oc);
608     MOS6522DeviceClass *mdc = MOS6522_DEVICE_CLASS(oc);
609 
610     dc->reset = mos6522_cuda_reset;
611     mdc->portB_write = mos6522_cuda_portB_write;
612     mdc->get_timer1_counter_value = cuda_get_counter_value;
613     mdc->get_timer2_counter_value = cuda_get_counter_value;
614     mdc->get_timer1_load_time = cuda_get_load_time;
615     mdc->get_timer2_load_time = cuda_get_load_time;
616 }
617 
618 static const TypeInfo mos6522_cuda_type_info = {
619     .name = TYPE_MOS6522_CUDA,
620     .parent = TYPE_MOS6522,
621     .instance_size = sizeof(MOS6522CUDAState),
622     .class_init = mos6522_cuda_class_init,
623 };
624 
625 static void cuda_register_types(void)
626 {
627     type_register_static(&mos6522_cuda_type_info);
628     type_register_static(&cuda_type_info);
629 }
630 
631 type_init(cuda_register_types)
632