hw/misc/macio/cuda.c

   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 #include "qemu/osdep.h"
  26 #include "hw/hw.h"
  27 #include "hw/ppc/mac.h"
  28 #include "hw/input/adb.h"
  29 #include "hw/misc/mos6522.h"
  30 #include "hw/misc/macio/cuda.h"
  31 #include "qemu/timer.h"
  32 #include "sysemu/sysemu.h"
  33 #include "qemu/cutils.h"
  34 #include "qemu/log.h"
  35 #include "trace.h"
  36
  37 /* Bits in B data register: all active low */
  38 #define TREQ            0x08    /* Transfer request (input) */
  39 #define TACK            0x10    /* Transfer acknowledge (output) */
  40 #define TIP             0x20    /* Transfer in progress (output) */
  41
  42 /* commands (1st byte) */
  43 #define ADB_PACKET      0
  44 #define CUDA_PACKET     1
  45 #define ERROR_PACKET    2
  46 #define TIMER_PACKET    3
  47 #define POWER_PACKET    4
  48 #define MACIIC_PACKET   5
  49 #define PMU_PACKET      6
  50
  51 #define CUDA_TIMER_FREQ (4700000 / 6)
  52
  53 /* CUDA returns time_t's offset from Jan 1, 1904, not 1970 */
  54 #define RTC_OFFSET                      2082844800
  55
  56 static void cuda_receive_packet_from_host(CUDAState *s,
  57                                           const uint8_t *data, int len);
  58
  59 /* MacOS uses timer 1 for calibration on startup, so we use
  60  * the timebase frequency and cuda_get_counter_value() with
  61  * cuda_get_load_time() to steer MacOS to calculate calibrate its timers
  62  * correctly for both TCG and KVM (see commit b981289c49 "PPC: Cuda: Use cuda
  63  * timer to expose tbfreq to guest" for more information) */
  64
  65 static uint64_t cuda_get_counter_value(MOS6522State *s, MOS6522Timer *ti)
  66 {
  67     MOS6522CUDAState *mcs = container_of(s, MOS6522CUDAState, parent_obj);
  68     CUDAState *cs = container_of(mcs, CUDAState, mos6522_cuda);
  69
  70     /* Reverse of the tb calculation algorithm that Mac OS X uses on bootup */
  71     uint64_t tb_diff = muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL),
  72                                 cs->tb_frequency, NANOSECONDS_PER_SECOND) -
  73                            ti->load_time;
  74
  75     return (tb_diff * 0xBF401675E5DULL) / (cs->tb_frequency << 24);
  76 }
  77
  78 static uint64_t cuda_get_load_time(MOS6522State *s, MOS6522Timer *ti)
  79 {
  80     MOS6522CUDAState *mcs = container_of(s, MOS6522CUDAState, parent_obj);
  81     CUDAState *cs = container_of(mcs, CUDAState, mos6522_cuda);
  82
  83     uint64_t load_time = muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL),
  84                                   cs->tb_frequency, NANOSECONDS_PER_SECOND);
  85     return load_time;
  86 }
  87
  88 static void cuda_set_sr_int(void *opaque)
  89 {
  90     CUDAState *s = opaque;
  91     MOS6522CUDAState *mcs = &s->mos6522_cuda;
  92     MOS6522State *ms = MOS6522(mcs);
  93     MOS6522DeviceClass *mdc = MOS6522_DEVICE_GET_CLASS(ms);
  94
  95     mdc->set_sr_int(ms);
  96 }
  97
  98 static void cuda_delay_set_sr_int(CUDAState *s)
  99 {
 100     MOS6522CUDAState *mcs = &s->mos6522_cuda;
 101     MOS6522State *ms = MOS6522(mcs);
 102     MOS6522DeviceClass *mdc = MOS6522_DEVICE_GET_CLASS(ms);
 103     int64_t expire;
 104
 105     if (ms->dirb == 0xff || s->sr_delay_ns == 0) {
 106         /* Disabled or not in Mac OS, fire the IRQ directly */
 107         mdc->set_sr_int(ms);
 108         return;
 109     }
 110
 111     trace_cuda_delay_set_sr_int();
 112
 113     expire = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + s->sr_delay_ns;
 114     timer_mod(s->sr_delay_timer, expire);
 115 }
 116
 117 /* NOTE: TIP and TREQ are negated */
 118 static void cuda_update(CUDAState *s)
 119 {
 120     MOS6522CUDAState *mcs = &s->mos6522_cuda;
 121     MOS6522State *ms = MOS6522(mcs);
 122     int packet_received, len;
 123
 124     packet_received = 0;
 125     if (!(ms->b & TIP)) {
 126         /* transfer requested from host */
 127
 128         if (ms->acr & SR_OUT) {
 129             /* data output */
 130             if ((ms->b & (TACK | TIP)) != (s->last_b & (TACK | TIP))) {
 131                 if (s->data_out_index < sizeof(s->data_out)) {
 132                     trace_cuda_data_send(ms->sr);
 133                     s->data_out[s->data_out_index++] = ms->sr;
 134                     cuda_delay_set_sr_int(s);
 135                 }
 136             }
 137         } else {
 138             if (s->data_in_index < s->data_in_size) {
 139                 /* data input */
 140                 if ((ms->b & (TACK | TIP)) != (s->last_b & (TACK | TIP))) {
 141                     ms->sr = s->data_in[s->data_in_index++];
 142                     trace_cuda_data_recv(ms->sr);
 143                     /* indicate end of transfer */
 144                     if (s->data_in_index >= s->data_in_size) {
 145                         ms->b = (ms->b | TREQ);
 146                     }
 147                     cuda_delay_set_sr_int(s);
 148                 }
 149             }
 150         }
 151     } else {
 152         /* no transfer requested: handle sync case */
 153         if ((s->last_b & TIP) && (ms->b & TACK) != (s->last_b & TACK)) {
 154             /* update TREQ state each time TACK change state */
 155             if (ms->b & TACK) {
 156                 ms->b = (ms->b | TREQ);
 157             } else {
 158                 ms->b = (ms->b & ~TREQ);
 159             }
 160             cuda_delay_set_sr_int(s);
 161         } else {
 162             if (!(s->last_b & TIP)) {
 163                 /* handle end of host to cuda transfer */
 164                 packet_received = (s->data_out_index > 0);
 165                 /* always an IRQ at the end of transfer */
 166                 cuda_delay_set_sr_int(s);
 167             }
 168             /* signal if there is data to read */
 169             if (s->data_in_index < s->data_in_size) {
 170                 ms->b = (ms->b & ~TREQ);
 171             }
 172         }
 173     }
 174
 175     s->last_acr = ms->acr;
 176     s->last_b = ms->b;
 177
 178     /* NOTE: cuda_receive_packet_from_host() can call cuda_update()
 179        recursively */
 180     if (packet_received) {
 181         len = s->data_out_index;
 182         s->data_out_index = 0;
 183         cuda_receive_packet_from_host(s, s->data_out, len);
 184     }
 185 }
 186
 187 static void cuda_send_packet_to_host(CUDAState *s,
 188                                      const uint8_t *data, int len)
 189 {
 190     int i;
 191
 192     trace_cuda_packet_send(len);
 193     for (i = 0; i < len; i++) {
 194         trace_cuda_packet_send_data(i, data[i]);
 195     }
 196
 197     memcpy(s->data_in, data, len);
 198     s->data_in_size = len;
 199     s->data_in_index = 0;
 200     cuda_update(s);
 201     cuda_delay_set_sr_int(s);
 202 }
 203
 204 static void cuda_adb_poll(void *opaque)
 205 {
 206     CUDAState *s = opaque;
 207     uint8_t obuf[ADB_MAX_OUT_LEN + 2];
 208     int olen;
 209
 210     olen = adb_poll(&s->adb_bus, obuf + 2, s->adb_poll_mask);
 211     if (olen > 0) {
 212         obuf[0] = ADB_PACKET;
 213         obuf[1] = 0x40; /* polled data */
 214         cuda_send_packet_to_host(s, obuf, olen + 2);
 215     }
 216     timer_mod(s->adb_poll_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
 217               (NANOSECONDS_PER_SECOND / (1000 / s->autopoll_rate_ms)));
 218 }
 219
 220 /* description of commands */
 221 typedef struct CudaCommand {
 222     uint8_t command;
 223     const char *name;
 224     bool (*handler)(CUDAState *s,
 225                     const uint8_t *in_args, int in_len,
 226                     uint8_t *out_args, int *out_len);
 227 } CudaCommand;
 228
 229 static bool cuda_cmd_autopoll(CUDAState *s,
 230                               const uint8_t *in_data, int in_len,
 231                               uint8_t *out_data, int *out_len)
 232 {
 233     int autopoll;
 234
 235     if (in_len != 1) {
 236         return false;
 237     }
 238
 239     autopoll = (in_data[0] != 0);
 240     if (autopoll != s->autopoll) {
 241         s->autopoll = autopoll;
 242         if (autopoll) {
 243             timer_mod(s->adb_poll_timer,
 244                       qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
 245                       (NANOSECONDS_PER_SECOND / (1000 / s->autopoll_rate_ms)));
 246         } else {
 247             timer_del(s->adb_poll_timer);
 248         }
 249     }
 250     return true;
 251 }
 252
 253 static bool cuda_cmd_set_autorate(CUDAState *s,
 254                                   const uint8_t *in_data, int in_len,
 255                                   uint8_t *out_data, int *out_len)
 256 {
 257     if (in_len != 1) {
 258         return false;
 259     }
 260
 261     /* we don't want a period of 0 ms */
 262     /* FIXME: check what real hardware does */
 263     if (in_data[0] == 0) {
 264         return false;
 265     }
 266
 267     s->autopoll_rate_ms = in_data[0];
 268     if (s->autopoll) {
 269         timer_mod(s->adb_poll_timer,
 270                   qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
 271                   (NANOSECONDS_PER_SECOND / (1000 / s->autopoll_rate_ms)));
 272     }
 273     return true;
 274 }
 275
 276 static bool cuda_cmd_set_device_list(CUDAState *s,
 277                                      const uint8_t *in_data, int in_len,
 278                                      uint8_t *out_data, int *out_len)
 279 {
 280     if (in_len != 2) {
 281         return false;
 282     }
 283
 284     s->adb_poll_mask = (((uint16_t)in_data[0]) << 8) | in_data[1];
 285     return true;
 286 }
 287
 288 static bool cuda_cmd_powerdown(CUDAState *s,
 289                                const uint8_t *in_data, int in_len,
 290                                uint8_t *out_data, int *out_len)
 291 {
 292     if (in_len != 0) {
 293         return false;
 294     }
 295
 296     qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN);
 297     return true;
 298 }
 299
 300 static bool cuda_cmd_reset_system(CUDAState *s,
 301                                   const uint8_t *in_data, int in_len,
 302                                   uint8_t *out_data, int *out_len)
 303 {
 304     if (in_len != 0) {
 305         return false;
 306     }
 307
 308     qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET);
 309     return true;
 310 }
 311
 312 static bool cuda_cmd_set_file_server_flag(CUDAState *s,
 313                                           const uint8_t *in_data, int in_len,
 314                                           uint8_t *out_data, int *out_len)
 315 {
 316     if (in_len != 1) {
 317         return false;
 318     }
 319
 320     qemu_log_mask(LOG_UNIMP,
 321                   "CUDA: unimplemented command FILE_SERVER_FLAG %d\n",
 322                   in_data[0]);
 323     return true;
 324 }
 325
 326 static bool cuda_cmd_set_power_message(CUDAState *s,
 327                                        const uint8_t *in_data, int in_len,
 328                                        uint8_t *out_data, int *out_len)
 329 {
 330     if (in_len != 1) {
 331         return false;
 332     }
 333
 334     qemu_log_mask(LOG_UNIMP,
 335                   "CUDA: unimplemented command SET_POWER_MESSAGE %d\n",
 336                   in_data[0]);
 337     return true;
 338 }
 339
 340 static bool cuda_cmd_get_time(CUDAState *s,
 341                               const uint8_t *in_data, int in_len,
 342                               uint8_t *out_data, int *out_len)
 343 {
 344     uint32_t ti;
 345
 346     if (in_len != 0) {
 347         return false;
 348     }
 349
 350     ti = s->tick_offset + (qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL)
 351                            / NANOSECONDS_PER_SECOND);
 352     out_data[0] = ti >> 24;
 353     out_data[1] = ti >> 16;
 354     out_data[2] = ti >> 8;
 355     out_data[3] = ti;
 356     *out_len = 4;
 357     return true;
 358 }
 359
 360 static bool cuda_cmd_set_time(CUDAState *s,
 361                               const uint8_t *in_data, int in_len,
 362                               uint8_t *out_data, int *out_len)
 363 {
 364     uint32_t ti;
 365
 366     if (in_len != 4) {
 367         return false;
 368     }
 369
 370     ti = (((uint32_t)in_data[0]) << 24) + (((uint32_t)in_data[1]) << 16)
 371          + (((uint32_t)in_data[2]) << 8) + in_data[3];
 372     s->tick_offset = ti - (qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL)
 373                            / NANOSECONDS_PER_SECOND);
 374     return true;
 375 }
 376
 377 static const CudaCommand handlers[] = {
 378     { CUDA_AUTOPOLL, "AUTOPOLL", cuda_cmd_autopoll },
 379     { CUDA_SET_AUTO_RATE, "SET_AUTO_RATE",  cuda_cmd_set_autorate },
 380     { CUDA_SET_DEVICE_LIST, "SET_DEVICE_LIST", cuda_cmd_set_device_list },
 381     { CUDA_POWERDOWN, "POWERDOWN", cuda_cmd_powerdown },
 382     { CUDA_RESET_SYSTEM, "RESET_SYSTEM", cuda_cmd_reset_system },
 383     { CUDA_FILE_SERVER_FLAG, "FILE_SERVER_FLAG",
 384       cuda_cmd_set_file_server_flag },
 385     { CUDA_SET_POWER_MESSAGES, "SET_POWER_MESSAGES",
 386       cuda_cmd_set_power_message },
 387     { CUDA_GET_TIME, "GET_TIME", cuda_cmd_get_time },
 388     { CUDA_SET_TIME, "SET_TIME", cuda_cmd_set_time },
 389 };
 390
 391 static void cuda_receive_packet(CUDAState *s,
 392                                 const uint8_t *data, int len)
 393 {
 394     uint8_t obuf[16] = { CUDA_PACKET, 0, data[0] };
 395     int i, out_len = 0;
 396
 397     for (i = 0; i < ARRAY_SIZE(handlers); i++) {
 398         const CudaCommand *desc = &handlers[i];
 399         if (desc->command == data[0]) {
 400             trace_cuda_receive_packet_cmd(desc->name);
 401             out_len = 0;
 402             if (desc->handler(s, data + 1, len - 1, obuf + 3, &out_len)) {
 403                 cuda_send_packet_to_host(s, obuf, 3 + out_len);
 404             } else {
 405                 qemu_log_mask(LOG_GUEST_ERROR,
 406                               "CUDA: %s: wrong parameters %d\n",
 407                               desc->name, len);
 408                 obuf[0] = ERROR_PACKET;
 409                 obuf[1] = 0x5; /* bad parameters */
 410                 obuf[2] = CUDA_PACKET;
 411                 obuf[3] = data[0];
 412                 cuda_send_packet_to_host(s, obuf, 4);
 413             }
 414             return;
 415         }
 416     }
 417
 418     qemu_log_mask(LOG_GUEST_ERROR, "CUDA: unknown command 0x%02x\n", data[0]);
 419     obuf[0] = ERROR_PACKET;
 420     obuf[1] = 0x2; /* unknown command */
 421     obuf[2] = CUDA_PACKET;
 422     obuf[3] = data[0];
 423     cuda_send_packet_to_host(s, obuf, 4);
 424 }
 425
 426 static void cuda_receive_packet_from_host(CUDAState *s,
 427                                           const uint8_t *data, int len)
 428 {
 429     int i;
 430
 431     trace_cuda_packet_receive(len);
 432     for (i = 0; i < len; i++) {
 433         trace_cuda_packet_receive_data(i, data[i]);
 434     }
 435
 436     switch(data[0]) {
 437     case ADB_PACKET:
 438         {
 439             uint8_t obuf[ADB_MAX_OUT_LEN + 3];
 440             int olen;
 441             olen = adb_request(&s->adb_bus, obuf + 2, data + 1, len - 1);
 442             if (olen > 0) {
 443                 obuf[0] = ADB_PACKET;
 444                 obuf[1] = 0x00;
 445                 cuda_send_packet_to_host(s, obuf, olen + 2);
 446             } else {
 447                 /* error */
 448                 obuf[0] = ADB_PACKET;
 449                 obuf[1] = -olen;
 450                 obuf[2] = data[1];
 451                 olen = 0;
 452                 cuda_send_packet_to_host(s, obuf, olen + 3);
 453             }
 454         }
 455         break;
 456     case CUDA_PACKET:
 457         cuda_receive_packet(s, data + 1, len - 1);
 458         break;
 459     }
 460 }
 461
 462 static uint64_t mos6522_cuda_read(void *opaque, hwaddr addr, unsigned size)
 463 {
 464     CUDAState *s = opaque;
 465     MOS6522CUDAState *mcs = &s->mos6522_cuda;
 466     MOS6522State *ms = MOS6522(mcs);
 467
 468     addr = (addr >> 9) & 0xf;
 469     return mos6522_read(ms, addr, size);
 470 }
 471
 472 static void mos6522_cuda_write(void *opaque, hwaddr addr, uint64_t val,
 473                                unsigned size)
 474 {
 475     CUDAState *s = opaque;
 476     MOS6522CUDAState *mcs = &s->mos6522_cuda;
 477     MOS6522State *ms = MOS6522(mcs);
 478
 479     addr = (addr >> 9) & 0xf;
 480     mos6522_write(ms, addr, val, size);
 481 }
 482
 483 static const MemoryRegionOps mos6522_cuda_ops = {
 484     .read = mos6522_cuda_read,
 485     .write = mos6522_cuda_write,
 486     .endianness = DEVICE_BIG_ENDIAN,
 487     .valid = {
 488         .min_access_size = 1,
 489         .max_access_size = 1,
 490     },
 491 };
 492
 493 static const VMStateDescription vmstate_cuda = {
 494     .name = "cuda",
 495     .version_id = 5,
 496     .minimum_version_id = 5,
 497     .fields = (VMStateField[]) {
 498         VMSTATE_STRUCT(mos6522_cuda.parent_obj, CUDAState, 0, vmstate_mos6522,
 499                        MOS6522State),
 500         VMSTATE_UINT8(last_b, CUDAState),
 501         VMSTATE_UINT8(last_acr, CUDAState),
 502         VMSTATE_INT32(data_in_size, CUDAState),
 503         VMSTATE_INT32(data_in_index, CUDAState),
 504         VMSTATE_INT32(data_out_index, CUDAState),
 505         VMSTATE_UINT8(autopoll, CUDAState),
 506         VMSTATE_UINT8(autopoll_rate_ms, CUDAState),
 507         VMSTATE_UINT16(adb_poll_mask, CUDAState),
 508         VMSTATE_BUFFER(data_in, CUDAState),
 509         VMSTATE_BUFFER(data_out, CUDAState),
 510         VMSTATE_UINT32(tick_offset, CUDAState),
 511         VMSTATE_TIMER_PTR(adb_poll_timer, CUDAState),
 512         VMSTATE_TIMER_PTR(sr_delay_timer, CUDAState),
 513         VMSTATE_END_OF_LIST()
 514     }
 515 };
 516
 517 static void cuda_reset(DeviceState *dev)
 518 {
 519     CUDAState *s = CUDA(dev);
 520
 521     s->data_in_size = 0;
 522     s->data_in_index = 0;
 523     s->data_out_index = 0;
 524     s->autopoll = 0;
 525 }
 526
 527 static void cuda_realize(DeviceState *dev, Error **errp)
 528 {
 529     CUDAState *s = CUDA(dev);
 530     SysBusDevice *sbd;
 531     MOS6522State *ms;
 532     DeviceState *d;
 533     struct tm tm;
 534
 535     /* Pass IRQ from 6522 */
 536     d = DEVICE(&s->mos6522_cuda);
 537     ms = MOS6522(d);
 538     sbd = SYS_BUS_DEVICE(s);
 539     sysbus_pass_irq(sbd, SYS_BUS_DEVICE(ms));
 540
 541     qemu_get_timedate(&tm, 0);
 542     s->tick_offset = (uint32_t)mktimegm(&tm) + RTC_OFFSET;
 543
 544     s->sr_delay_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, cuda_set_sr_int, s);
 545     s->sr_delay_ns = 300 * SCALE_US;
 546
 547     s->adb_poll_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, cuda_adb_poll, s);
 548     s->adb_poll_mask = 0xffff;
 549     s->autopoll_rate_ms = 20;
 550 }
 551
 552 static void cuda_init(Object *obj)
 553 {
 554     CUDAState *s = CUDA(obj);
 555     SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
 556
 557     sysbus_init_child_obj(obj, "mos6522-cuda", &s->mos6522_cuda,
 558                           sizeof(s->mos6522_cuda), TYPE_MOS6522_CUDA);
 559
 560     memory_region_init_io(&s->mem, obj, &mos6522_cuda_ops, s, "cuda", 0x2000);
 561     sysbus_init_mmio(sbd, &s->mem);
 562
 563     qbus_create_inplace(&s->adb_bus, sizeof(s->adb_bus), TYPE_ADB_BUS,
 564                         DEVICE(obj), "adb.0");
 565 }
 566
 567 static Property cuda_properties[] = {
 568     DEFINE_PROP_UINT64("timebase-frequency", CUDAState, tb_frequency, 0),
 569     DEFINE_PROP_END_OF_LIST()
 570 };
 571
 572 static void cuda_class_init(ObjectClass *oc, void *data)
 573 {
 574     DeviceClass *dc = DEVICE_CLASS(oc);
 575
 576     dc->realize = cuda_realize;
 577     dc->reset = cuda_reset;
 578     dc->vmsd = &vmstate_cuda;
 579     dc->props = cuda_properties;
 580     set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
 581 }
 582
 583 static const TypeInfo cuda_type_info = {
 584     .name = TYPE_CUDA,
 585     .parent = TYPE_SYS_BUS_DEVICE,
 586     .instance_size = sizeof(CUDAState),
 587     .instance_init = cuda_init,
 588     .class_init = cuda_class_init,
 589 };
 590
 591 static void mos6522_cuda_portB_write(MOS6522State *s)
 592 {
 593     MOS6522CUDAState *mcs = container_of(s, MOS6522CUDAState, parent_obj);
 594     CUDAState *cs = container_of(mcs, CUDAState, mos6522_cuda);
 595
 596     cuda_update(cs);
 597 }
 598
 599 static void mos6522_cuda_reset(DeviceState *dev)
 600 {
 601     MOS6522State *ms = MOS6522(dev);
 602     MOS6522DeviceClass *mdc = MOS6522_DEVICE_GET_CLASS(ms);
 603
 604     mdc->parent_reset(dev);
 605
 606     ms->timers[0].frequency = CUDA_TIMER_FREQ;
 607     ms->timers[1].frequency = (SCALE_US * 6000) / 4700;
 608 }
 609
 610 static void mos6522_cuda_class_init(ObjectClass *oc, void *data)
 611 {
 612     DeviceClass *dc = DEVICE_CLASS(oc);
 613     MOS6522DeviceClass *mdc = MOS6522_DEVICE_CLASS(oc);
 614
 615     dc->reset = mos6522_cuda_reset;
 616     mdc->portB_write = mos6522_cuda_portB_write;
 617     mdc->get_timer1_counter_value = cuda_get_counter_value;
 618     mdc->get_timer2_counter_value = cuda_get_counter_value;
 619     mdc->get_timer1_load_time = cuda_get_load_time;
 620     mdc->get_timer2_load_time = cuda_get_load_time;
 621 }
 622
 623 static const TypeInfo mos6522_cuda_type_info = {
 624     .name = TYPE_MOS6522_CUDA,
 625     .parent = TYPE_MOS6522,
 626     .instance_size = sizeof(MOS6522CUDAState),
 627     .class_init = mos6522_cuda_class_init,
 628 };
 629
 630 static void cuda_register_types(void)
 631 {
 632     type_register_static(&mos6522_cuda_type_info);
 633     type_register_static(&cuda_type_info);
 634 }
 635
 636 type_init(cuda_register_types)