dev/ide_ctrl.cc

   1 /*
   2  * Copyright (c) 2004-2005 The Regents of The University of Michigan
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are
   7  * met: redistributions of source code must retain the above copyright
   8  * notice, this list of conditions and the following disclaimer;
   9  * redistributions in binary form must reproduce the above copyright
  10  * notice, this list of conditions and the following disclaimer in the
  11  * documentation and/or other materials provided with the distribution;
  12  * neither the name of the copyright holders nor the names of its
  13  * contributors may be used to endorse or promote products derived from
  14  * this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  17  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  18  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  19  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  20  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  21  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  22  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 #include <cstddef>
  30 #include <cstdlib>
  31 #include <string>
  32 #include <vector>
  33
  34 #include "base/trace.hh"
  35 #include "cpu/intr_control.hh"
  36 #include "dev/ide_ctrl.hh"
  37 #include "dev/ide_disk.hh"
  38 #include "dev/pciconfigall.hh"
  39 #include "dev/pcireg.h"
  40 #include "dev/platform.hh"
  41 #include "mem/bus/bus.hh"
  42 #include "mem/bus/dma_interface.hh"
  43 #include "mem/bus/pio_interface.hh"
  44 #include "mem/bus/pio_interface_impl.hh"
  45 #include "mem/functional/memory_control.hh"
  46 #include "mem/functional/physical.hh"
  47 #include "sim/builder.hh"
  48 #include "sim/sim_object.hh"
  49
  50 using namespace std;
  51
  52 ////
  53 // Initialization and destruction
  54 ////
  55
  56 IdeController::IdeController(Params *p)
  57     : PciDev(p)
  58 {
  59     // initialize the PIO interface addresses
  60     pri_cmd_addr = 0;
  61     pri_cmd_size = BARSize[0];
  62
  63     pri_ctrl_addr = 0;
  64     pri_ctrl_size = BARSize[1];
  65
  66     sec_cmd_addr = 0;
  67     sec_cmd_size = BARSize[2];
  68
  69     sec_ctrl_addr = 0;
  70     sec_ctrl_size = BARSize[3];
  71
  72     // initialize the bus master interface (BMI) address to be configured
  73     // via PCI
  74     bmi_addr = 0;
  75     bmi_size = BARSize[4];
  76
  77     // zero out all of the registers
  78     memset(bmi_regs, 0, sizeof(bmi_regs));
  79     memset(pci_regs, 0, sizeof(pci_regs));
  80
  81     // setup initial values
  82     *(uint32_t *)&pci_regs[IDETIM] = 0x80008000; // enable both channels
  83     *(uint8_t *)&bmi_regs[BMIS0] = 0x60;
  84     *(uint8_t *)&bmi_regs[BMIS1] = 0x60;
  85
  86     // reset all internal variables
  87     io_enabled = false;
  88     bm_enabled = false;
  89     memset(cmd_in_progress, 0, sizeof(cmd_in_progress));
  90
  91     // create the PIO and DMA interfaces
  92     if (params()->host_bus) {
  93         pioInterface = newPioInterface(name(), params()->hier,
  94                                        params()->host_bus, this,
  95                                        &IdeController::cacheAccess);
  96
  97         dmaInterface = new DMAInterface<Bus>(name() + ".dma",
  98                                              params()->host_bus,
  99                                              params()->host_bus, 1,
 100                                              true);
 101         pioLatency = params()->pio_latency * params()->host_bus->clockRate;
 102     }
 103
 104     // setup the disks attached to controller
 105     memset(disks, 0, sizeof(IdeDisk *) * 4);
 106
 107     if (params()->disks.size() > 3)
 108         panic("IDE controllers support a maximum of 4 devices attached!\n");
 109
 110     for (int i = 0; i < params()->disks.size(); i++) {
 111         disks[i] = params()->disks[i];
 112         disks[i]->setController(this, dmaInterface);
 113     }
 114 }
 115
 116 IdeController::~IdeController()
 117 {
 118     for (int i = 0; i < 4; i++)
 119         if (disks[i])
 120             delete disks[i];
 121 }
 122
 123 ////
 124 // Utility functions
 125 ///
 126
 127 void
 128 IdeController::parseAddr(const Addr &addr, Addr &offset, bool &primary,
 129                          RegType_t &type)
 130 {
 131     offset = addr;
 132
 133     if (addr >= pri_cmd_addr && addr < (pri_cmd_addr + pri_cmd_size)) {
 134         offset -= pri_cmd_addr;
 135         type = COMMAND_BLOCK;
 136         primary = true;
 137     } else if (addr >= pri_ctrl_addr &&
 138                addr < (pri_ctrl_addr + pri_ctrl_size)) {
 139         offset -= pri_ctrl_addr;
 140         type = CONTROL_BLOCK;
 141         primary = true;
 142     } else if (addr >= sec_cmd_addr &&
 143                addr < (sec_cmd_addr + sec_cmd_size)) {
 144         offset -= sec_cmd_addr;
 145         type = COMMAND_BLOCK;
 146         primary = false;
 147     } else if (addr >= sec_ctrl_addr &&
 148                addr < (sec_ctrl_addr + sec_ctrl_size)) {
 149         offset -= sec_ctrl_addr;
 150         type = CONTROL_BLOCK;
 151         primary = false;
 152     } else if (addr >= bmi_addr && addr < (bmi_addr + bmi_size)) {
 153         offset -= bmi_addr;
 154         type = BMI_BLOCK;
 155         primary = (offset < BMIC1) ? true : false;
 156     } else {
 157         panic("IDE controller access to invalid address: %#x\n", addr);
 158     }
 159 }
 160
 161 int
 162 IdeController::getDisk(bool primary)
 163 {
 164     int disk = 0;
 165     uint8_t *devBit = &dev[0];
 166
 167     if (!primary) {
 168         disk += 2;
 169         devBit = &dev[1];
 170     }
 171
 172     disk += *devBit;
 173
 174     assert(*devBit == 0 || *devBit == 1);
 175
 176     return disk;
 177 }
 178
 179 int
 180 IdeController::getDisk(IdeDisk *diskPtr)
 181 {
 182     for (int i = 0; i < 4; i++) {
 183         if ((long)diskPtr == (long)disks[i])
 184             return i;
 185     }
 186     return -1;
 187 }
 188
 189 bool
 190 IdeController::isDiskSelected(IdeDisk *diskPtr)
 191 {
 192     for (int i = 0; i < 4; i++) {
 193         if ((long)diskPtr == (long)disks[i]) {
 194             // is disk is on primary or secondary channel
 195             int channel = i/2;
 196             // is disk the master or slave
 197             int devID = i%2;
 198
 199             return (dev[channel] == devID);
 200         }
 201     }
 202     panic("Unable to find disk by pointer!!\n");
 203 }
 204
 205 ////
 206 // Command completion
 207 ////
 208
 209 void
 210 IdeController::setDmaComplete(IdeDisk *disk)
 211 {
 212     int diskNum = getDisk(disk);
 213
 214     if (diskNum < 0)
 215         panic("Unable to find disk based on pointer %#x\n", disk);
 216
 217     if (diskNum < 2) {
 218         // clear the start/stop bit in the command register
 219         bmi_regs[BMIC0] &= ~SSBM;
 220         // clear the bus master active bit in the status register
 221         bmi_regs[BMIS0] &= ~BMIDEA;
 222         // set the interrupt bit
 223         bmi_regs[BMIS0] |= IDEINTS;
 224     } else {
 225         // clear the start/stop bit in the command register
 226         bmi_regs[BMIC1] &= ~SSBM;
 227         // clear the bus master active bit in the status register
 228         bmi_regs[BMIS1] &= ~BMIDEA;
 229         // set the interrupt bit
 230         bmi_regs[BMIS1] |= IDEINTS;
 231     }
 232 }
 233
 234 ////
 235 // Bus timing and bus access functions
 236 ////
 237
 238 Tick
 239 IdeController::cacheAccess(MemReqPtr &req)
 240 {
 241     // @todo Add more accurate timing to cache access
 242     return curTick + pioLatency;
 243 }
 244
 245 ////
 246 // Read and write handling
 247 ////
 248
 249 void
 250 IdeController::ReadConfig(int offset, int size, uint8_t *data)
 251 {
 252
 253 #if TRACING_ON
 254     Addr origOffset = offset;
 255 #endif
 256
 257     if (offset < PCI_DEVICE_SPECIFIC) {
 258         PciDev::ReadConfig(offset, size, data);
 259     } else {
 260         if (offset >= PCI_IDE_TIMING && offset < (PCI_IDE_TIMING + 4)) {
 261             offset -= PCI_IDE_TIMING;
 262             offset += IDETIM;
 263
 264             if ((offset + size) > (IDETIM + 4))
 265                 panic("PCI read of IDETIM with invalid size\n");
 266         } else if (offset == PCI_SLAVE_TIMING) {
 267             offset -= PCI_SLAVE_TIMING;
 268             offset += SIDETIM;
 269
 270             if ((offset + size) > (SIDETIM + 1))
 271                 panic("PCI read of SIDETIM with invalid size\n");
 272         } else if (offset == PCI_UDMA33_CTRL) {
 273             offset -= PCI_UDMA33_CTRL;
 274             offset += UDMACTL;
 275
 276             if ((offset + size) > (UDMACTL + 1))
 277                 panic("PCI read of UDMACTL with invalid size\n");
 278         } else if (offset >= PCI_UDMA33_TIMING &&
 279                    offset < (PCI_UDMA33_TIMING + 2)) {
 280             offset -= PCI_UDMA33_TIMING;
 281             offset += UDMATIM;
 282
 283             if ((offset + size) > (UDMATIM + 2))
 284                 panic("PCI read of UDMATIM with invalid size\n");
 285         } else {
 286             panic("PCI read of unimplemented register: %x\n", offset);
 287         }
 288
 289         memcpy((void *)data, (void *)&pci_regs[offset], size);
 290     }
 291
 292     DPRINTF(IdeCtrl, "PCI read offset: %#x (%#x) size: %#x data: %#x\n",
 293             origOffset, offset, size,
 294             (*(uint32_t *)data) & (0xffffffff >> 8 * (4 - size)));
 295 }
 296
 297 void
 298 IdeController::WriteConfig(int offset, int size, uint32_t data)
 299 {
 300     DPRINTF(IdeCtrl, "PCI write offset: %#x size: %#x data: %#x\n",
 301             offset, size, data & (0xffffffff >> 8 * (4 - size)));
 302
 303     // do standard write stuff if in standard PCI space
 304     if (offset < PCI_DEVICE_SPECIFIC) {
 305         PciDev::WriteConfig(offset, size, data);
 306     } else {
 307         if (offset >= PCI_IDE_TIMING && offset < (PCI_IDE_TIMING + 4)) {
 308             offset -= PCI_IDE_TIMING;
 309             offset += IDETIM;
 310
 311             if ((offset + size) > (IDETIM + 4))
 312                 panic("PCI write to IDETIM with invalid size\n");
 313         } else if (offset == PCI_SLAVE_TIMING) {
 314             offset -= PCI_SLAVE_TIMING;
 315             offset += SIDETIM;
 316
 317             if ((offset + size) > (SIDETIM + 1))
 318                 panic("PCI write to SIDETIM with invalid size\n");
 319         } else if (offset == PCI_UDMA33_CTRL) {
 320             offset -= PCI_UDMA33_CTRL;
 321             offset += UDMACTL;
 322
 323             if ((offset + size) > (UDMACTL + 1))
 324                 panic("PCI write to UDMACTL with invalid size\n");
 325         } else if (offset >= PCI_UDMA33_TIMING &&
 326                    offset < (PCI_UDMA33_TIMING + 2)) {
 327             offset -= PCI_UDMA33_TIMING;
 328             offset += UDMATIM;
 329
 330             if ((offset + size) > (UDMATIM + 2))
 331                 panic("PCI write to UDMATIM with invalid size\n");
 332         } else {
 333             panic("PCI write to unimplemented register: %x\n", offset);
 334         }
 335
 336         memcpy((void *)&pci_regs[offset], (void *)&data, size);
 337     }
 338
 339     // Catch the writes to specific PCI registers that have side affects
 340     // (like updating the PIO ranges)
 341     switch (offset) {
 342       case PCI_COMMAND:
 343         if (config.data[offset] & PCI_CMD_IOSE)
 344             io_enabled = true;
 345         else
 346             io_enabled = false;
 347
 348         if (config.data[offset] & PCI_CMD_BME)
 349             bm_enabled = true;
 350         else
 351             bm_enabled = false;
 352         break;
 353
 354       case PCI0_BASE_ADDR0:
 355         if (BARAddrs[0] != 0) {
 356             pri_cmd_addr = BARAddrs[0];
 357             if (pioInterface)
 358                 pioInterface->addAddrRange(RangeSize(pri_cmd_addr,
 359                                                      pri_cmd_size));
 360
 361             pri_cmd_addr &= EV5::PAddrUncachedMask;
 362         }
 363         break;
 364
 365       case PCI0_BASE_ADDR1:
 366         if (BARAddrs[1] != 0) {
 367             pri_ctrl_addr = BARAddrs[1];
 368             if (pioInterface)
 369                 pioInterface->addAddrRange(RangeSize(pri_ctrl_addr,
 370                                                      pri_ctrl_size));
 371
 372             pri_ctrl_addr &= EV5::PAddrUncachedMask;
 373         }
 374         break;
 375
 376       case PCI0_BASE_ADDR2:
 377         if (BARAddrs[2] != 0) {
 378             sec_cmd_addr = BARAddrs[2];
 379             if (pioInterface)
 380                 pioInterface->addAddrRange(RangeSize(sec_cmd_addr,
 381                                                      sec_cmd_size));
 382
 383             sec_cmd_addr &= EV5::PAddrUncachedMask;
 384         }
 385         break;
 386
 387       case PCI0_BASE_ADDR3:
 388         if (BARAddrs[3] != 0) {
 389             sec_ctrl_addr = BARAddrs[3];
 390             if (pioInterface)
 391                 pioInterface->addAddrRange(RangeSize(sec_ctrl_addr,
 392                                                      sec_ctrl_size));
 393
 394             sec_ctrl_addr &= EV5::PAddrUncachedMask;
 395         }
 396         break;
 397
 398       case PCI0_BASE_ADDR4:
 399         if (BARAddrs[4] != 0) {
 400             bmi_addr = BARAddrs[4];
 401             if (pioInterface)
 402                 pioInterface->addAddrRange(RangeSize(bmi_addr, bmi_size));
 403
 404             bmi_addr &= EV5::PAddrUncachedMask;
 405         }
 406         break;
 407     }
 408 }
 409
 410 Fault
 411 IdeController::read(MemReqPtr &req, uint8_t *data)
 412 {
 413     Addr offset;
 414     bool primary;
 415     bool byte;
 416     bool cmdBlk;
 417     RegType_t type;
 418     int disk;
 419
 420     parseAddr(req->paddr, offset, primary, type);
 421     byte = (req->size == sizeof(uint8_t)) ? true : false;
 422     cmdBlk = (type == COMMAND_BLOCK) ? true : false;
 423
 424     if (!io_enabled)
 425         return No_Fault;
 426
 427     // sanity check the size (allows byte, word, or dword access)
 428     if (req->size != sizeof(uint8_t) && req->size != sizeof(uint16_t) &&
 429         req->size != sizeof(uint32_t))
 430         panic("IDE controller read of invalid size: %#x\n", req->size);
 431
 432     if (type != BMI_BLOCK) {
 433         assert(req->size != sizeof(uint32_t));
 434
 435         disk = getDisk(primary);
 436         if (disks[disk])
 437             disks[disk]->read(offset, byte, cmdBlk, data);
 438     } else {
 439         memcpy((void *)data, &bmi_regs[offset], req->size);
 440     }
 441
 442     DPRINTF(IdeCtrl, "read from offset: %#x size: %#x data: %#x\n",
 443             offset, req->size,
 444             (*(uint32_t *)data) & (0xffffffff >> 8 * (4 - req->size)));
 445
 446     return No_Fault;
 447 }
 448
 449 Fault
 450 IdeController::write(MemReqPtr &req, const uint8_t *data)
 451 {
 452     Addr offset;
 453     bool primary;
 454     bool byte;
 455     bool cmdBlk;
 456     RegType_t type;
 457     int disk;
 458
 459     parseAddr(req->paddr, offset, primary, type);
 460     byte = (req->size == sizeof(uint8_t)) ? true : false;
 461     cmdBlk = (type == COMMAND_BLOCK) ? true : false;
 462
 463     DPRINTF(IdeCtrl, "write from offset: %#x size: %#x data: %#x\n",
 464             offset, req->size,
 465             (*(uint32_t *)data) & (0xffffffff >> 8 * (4 - req->size)));
 466
 467     uint8_t oldVal, newVal;
 468
 469     if (!io_enabled)
 470         return No_Fault;
 471
 472     if (type == BMI_BLOCK && !bm_enabled)
 473         return No_Fault;
 474
 475     if (type != BMI_BLOCK) {
 476         // shadow the dev bit
 477         if (type == COMMAND_BLOCK && offset == IDE_SELECT_OFFSET) {
 478             uint8_t *devBit = (primary ? &dev[0] : &dev[1]);
 479             *devBit = ((*data & IDE_SELECT_DEV_BIT) ? 1 : 0);
 480         }
 481
 482         assert(req->size != sizeof(uint32_t));
 483
 484         disk = getDisk(primary);
 485         if (disks[disk])
 486             disks[disk]->write(offset, byte, cmdBlk, data);
 487     } else {
 488         switch (offset) {
 489             // Bus master IDE command register
 490           case BMIC1:
 491           case BMIC0:
 492             if (req->size != sizeof(uint8_t))
 493                 panic("Invalid BMIC write size: %x\n", req->size);
 494
 495             // select the current disk based on DEV bit
 496             disk = getDisk(primary);
 497
 498             oldVal = bmi_regs[offset];
 499             newVal = *data;
 500
 501             // if a DMA transfer is in progress, R/W control cannot change
 502             if (oldVal & SSBM) {
 503                 if ((oldVal & RWCON) ^ (newVal & RWCON)) {
 504                     (oldVal & RWCON) ? newVal |= RWCON : newVal &= ~RWCON;
 505                 }
 506             }
 507
 508             // see if the start/stop bit is being changed
 509             if ((oldVal & SSBM) ^ (newVal & SSBM)) {
 510                 if (oldVal & SSBM) {
 511                     // stopping DMA transfer
 512                     DPRINTF(IdeCtrl, "Stopping DMA transfer\n");
 513
 514                     // clear the BMIDEA bit
 515                     bmi_regs[offset + 0x2] &= ~BMIDEA;
 516
 517                     if (disks[disk] == NULL)
 518                         panic("DMA stop for disk %d which does not exist\n",
 519                               disk);
 520
 521                     // inform the disk of the DMA transfer abort
 522                     disks[disk]->abortDma();
 523                 } else {
 524                     // starting DMA transfer
 525                     DPRINTF(IdeCtrl, "Starting DMA transfer\n");
 526
 527                     // set the BMIDEA bit
 528                     bmi_regs[offset + 0x2] |= BMIDEA;
 529
 530                     if (disks[disk] == NULL)
 531                         panic("DMA start for disk %d which does not exist\n",
 532                               disk);
 533
 534                     // inform the disk of the DMA transfer start
 535                     if (primary)
 536                         disks[disk]->startDma(*(uint32_t *)&bmi_regs[BMIDTP0]);
 537                     else
 538                         disks[disk]->startDma(*(uint32_t *)&bmi_regs[BMIDTP1]);
 539                 }
 540             }
 541
 542             // update the register value
 543             bmi_regs[offset] = newVal;
 544             break;
 545
 546             // Bus master IDE status register
 547           case BMIS0:
 548           case BMIS1:
 549             if (req->size != sizeof(uint8_t))
 550                 panic("Invalid BMIS write size: %x\n", req->size);
 551
 552             oldVal = bmi_regs[offset];
 553             newVal = *data;
 554
 555             // the BMIDEA bit is RO
 556             newVal |= (oldVal & BMIDEA);
 557
 558             // to reset (set 0) IDEINTS and IDEDMAE, write 1 to each
 559             if ((oldVal & IDEINTS) && (newVal & IDEINTS))
 560                 newVal &= ~IDEINTS; // clear the interrupt?
 561             else
 562                 (oldVal & IDEINTS) ? newVal |= IDEINTS : newVal &= ~IDEINTS;
 563
 564             if ((oldVal & IDEDMAE) && (newVal & IDEDMAE))
 565                 newVal &= ~IDEDMAE;
 566             else
 567                 (oldVal & IDEDMAE) ? newVal |= IDEDMAE : newVal &= ~IDEDMAE;
 568
 569             bmi_regs[offset] = newVal;
 570             break;
 571
 572             // Bus master IDE descriptor table pointer register
 573           case BMIDTP0:
 574           case BMIDTP1:
 575             if (req->size != sizeof(uint32_t))
 576                 panic("Invalid BMIDTP write size: %x\n", req->size);
 577
 578             *(uint32_t *)&bmi_regs[offset] = *(uint32_t *)data & ~0x3;
 579             break;
 580
 581           default:
 582             if (req->size != sizeof(uint8_t) &&
 583                 req->size != sizeof(uint16_t) &&
 584                 req->size != sizeof(uint32_t))
 585                 panic("IDE controller write of invalid write size: %x\n",
 586                       req->size);
 587
 588             // do a default copy of data into the registers
 589             memcpy((void *)&bmi_regs[offset], data, req->size);
 590         }
 591     }
 592
 593     return No_Fault;
 594 }
 595
 596 ////
 597 // Serialization
 598 ////
 599
 600 void
 601 IdeController::serialize(std::ostream &os)
 602 {
 603     // Serialize the PciDev base class
 604     PciDev::serialize(os);
 605
 606     // Serialize register addresses and sizes
 607     SERIALIZE_SCALAR(pri_cmd_addr);
 608     SERIALIZE_SCALAR(pri_cmd_size);
 609     SERIALIZE_SCALAR(pri_ctrl_addr);
 610     SERIALIZE_SCALAR(pri_ctrl_size);
 611     SERIALIZE_SCALAR(sec_cmd_addr);
 612     SERIALIZE_SCALAR(sec_cmd_size);
 613     SERIALIZE_SCALAR(sec_ctrl_addr);
 614     SERIALIZE_SCALAR(sec_ctrl_size);
 615     SERIALIZE_SCALAR(bmi_addr);
 616     SERIALIZE_SCALAR(bmi_size);
 617
 618     // Serialize registers
 619     SERIALIZE_ARRAY(bmi_regs, 16);
 620     SERIALIZE_ARRAY(dev, 2);
 621     SERIALIZE_ARRAY(pci_regs, 8);
 622
 623     // Serialize internal state
 624     SERIALIZE_SCALAR(io_enabled);
 625     SERIALIZE_SCALAR(bm_enabled);
 626     SERIALIZE_ARRAY(cmd_in_progress, 4);
 627 }
 628
 629 void
 630 IdeController::unserialize(Checkpoint *cp, const std::string &section)
 631 {
 632     // Unserialize the PciDev base class
 633     PciDev::unserialize(cp, section);
 634
 635     // Unserialize register addresses and sizes
 636     UNSERIALIZE_SCALAR(pri_cmd_addr);
 637     UNSERIALIZE_SCALAR(pri_cmd_size);
 638     UNSERIALIZE_SCALAR(pri_ctrl_addr);
 639     UNSERIALIZE_SCALAR(pri_ctrl_size);
 640     UNSERIALIZE_SCALAR(sec_cmd_addr);
 641     UNSERIALIZE_SCALAR(sec_cmd_size);
 642     UNSERIALIZE_SCALAR(sec_ctrl_addr);
 643     UNSERIALIZE_SCALAR(sec_ctrl_size);
 644     UNSERIALIZE_SCALAR(bmi_addr);
 645     UNSERIALIZE_SCALAR(bmi_size);
 646
 647     // Unserialize registers
 648     UNSERIALIZE_ARRAY(bmi_regs, 16);
 649     UNSERIALIZE_ARRAY(dev, 2);
 650     UNSERIALIZE_ARRAY(pci_regs, 8);
 651
 652     // Unserialize internal state
 653     UNSERIALIZE_SCALAR(io_enabled);
 654     UNSERIALIZE_SCALAR(bm_enabled);
 655     UNSERIALIZE_ARRAY(cmd_in_progress, 4);
 656
 657     if (pioInterface) {
 658         pioInterface->addAddrRange(RangeSize(pri_cmd_addr, pri_cmd_size));
 659         pioInterface->addAddrRange(RangeSize(pri_ctrl_addr, pri_ctrl_size));
 660         pioInterface->addAddrRange(RangeSize(sec_cmd_addr, sec_cmd_size));
 661         pioInterface->addAddrRange(RangeSize(sec_ctrl_addr, sec_ctrl_size));
 662         pioInterface->addAddrRange(RangeSize(bmi_addr, bmi_size));
 663    }
 664 }
 665
 666 #ifndef DOXYGEN_SHOULD_SKIP_THIS
 667
 668 BEGIN_DECLARE_SIM_OBJECT_PARAMS(IdeController)
 669
 670     Param<Addr> addr;
 671     SimObjectVectorParam<IdeDisk *> disks;
 672     SimObjectParam<MemoryController *> mmu;
 673     SimObjectParam<PciConfigAll *> configspace;
 674     SimObjectParam<PciConfigData *> configdata;
 675     SimObjectParam<Platform *> platform;
 676     Param<uint32_t> pci_bus;
 677     Param<uint32_t> pci_dev;
 678     Param<uint32_t> pci_func;
 679     SimObjectParam<Bus *> io_bus;
 680     Param<Tick> pio_latency;
 681     SimObjectParam<HierParams *> hier;
 682
 683 END_DECLARE_SIM_OBJECT_PARAMS(IdeController)
 684
 685 BEGIN_INIT_SIM_OBJECT_PARAMS(IdeController)
 686
 687     INIT_PARAM(addr, "Device Address"),
 688     INIT_PARAM(disks, "IDE disks attached to this controller"),
 689     INIT_PARAM(mmu, "Memory controller"),
 690     INIT_PARAM(configspace, "PCI Configspace"),
 691     INIT_PARAM(configdata, "PCI Config data"),
 692     INIT_PARAM(platform, "Platform pointer"),
 693     INIT_PARAM(pci_bus, "PCI bus ID"),
 694     INIT_PARAM(pci_dev, "PCI device number"),
 695     INIT_PARAM(pci_func, "PCI function code"),
 696     INIT_PARAM_DFLT(io_bus, "Host bus to attach to", NULL),
 697     INIT_PARAM_DFLT(pio_latency, "Programmed IO latency in bus cycles", 1),
 698     INIT_PARAM_DFLT(hier, "Hierarchy global variables", &defaultHierParams)
 699
 700 END_INIT_SIM_OBJECT_PARAMS(IdeController)
 701
 702 CREATE_SIM_OBJECT(IdeController)
 703 {
 704     IdeController::Params *params = new IdeController::Params;
 705     params->name = getInstanceName();
 706     params->mmu = mmu;
 707     params->configSpace = configspace;
 708     params->configData = configdata;
 709     params->plat = platform;
 710     params->busNum = pci_bus;
 711     params->deviceNum = pci_dev;
 712     params->functionNum = pci_func;
 713
 714     params->disks = disks;
 715     params->host_bus = io_bus;
 716     params->pio_latency = pio_latency;
 717     params->hier = hier;
 718     return new IdeController(params);
 719 }
 720
 721 REGISTER_SIM_OBJECT("IdeController", IdeController)
 722
 723 #endif //DOXYGEN_SHOULD_SKIP_THIS