ide_ctrl.cc revision 1762
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
50using namespace std;
51
52////
53// Initialization and destruction
54////
55
56IdeController::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
116IdeController::~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
127void
128IdeController::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
161int
162IdeController::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
179int
180IdeController::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
189bool
190IdeController::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
209void
210IdeController::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
238Tick
239IdeController::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
249void
250IdeController::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
297void
298IdeController::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
410Fault
411IdeController::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
449Fault
450IdeController::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
600void
601IdeController::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
629void
630IdeController::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
668BEGIN_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
683END_DECLARE_SIM_OBJECT_PARAMS(IdeController)
684
685BEGIN_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
700END_INIT_SIM_OBJECT_PARAMS(IdeController)
701
702CREATE_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
721REGISTER_SIM_OBJECT("IdeController", IdeController)
722
723#endif //DOXYGEN_SHOULD_SKIP_THIS
724